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la terra studio, inc. 18040

22nd May 2019 KidsQuest Playground Removal and Replacement: Construction Issue for Pricing

Mesquite, Texas

KIDSQUEST PLAYGROUND REMOVAL AND REPLACE: Construction

RFP NO. 2019-085

Specifications

la terra studio, inc. 18040

22nd May 2019 KidsQuest Playground Removal and Replacement: Construction Issue for Pricing

Mesquite, Texas

TABLE OF CONTENTS:

DIVISION 11 – EQUIPMENT

11 68 13 – Playground Equipment

DIVISION 12 – FURNISHINGS

12 93 00 – Outdoor Furnishings

DIVISION 31 – EARTHWORK

31 10 00 – Site Preparation 31 20 00 – Earthwork 31 20 20 – Site Demolition 31 21 00 – Fine Grading

DIVISION 32 – EXTERIOR IMPROVEMENTS

32 11 00 – Composite Decking 32 13 00 – Cast in Place Concrete for Landscape 32 13 10 – Concrete Forming for Landscape 32 13 20 – Concrete Reinforcement for Landscape 32 13 50 – Concrete Finishing for Landscape 32 13 60 – Concrete Curing for Landscape 32 13 70 – Joint Sealants for Landscape 32 18 40 – Engineered Wood Fiber 32 52 00 – Synthetic Turf 32 84 00 – Irrigation 32 93 43 – Tree Planting 32 94 00 – Turf Sodding

la terra studio, inc. 22nd May 201 KidsQuest Playground Removal and Replacement: Construction 18040 Issue for Pricing Mesquite, Texas

SECTION 11 68 13 - PLAYGROUND EQUIPMENT

PART 1 - GENERAL

1.01 DESCRIPTION

A. This section shall include all materials, labor, tools, equipment, transportation and supervision required for the installation of new playground equipment.

1.02 RELATED WORK

A. Section 02870 - Site Furnishings

B. Section 03300 - Cast-In-Place Concrete

1.03 QUALITY ASSURANCE

A. Codes and Standards:

All equipment and materials shall meet the standards and requirements of the latest editions of the U. S. Consumer Product Safety Commission's (CPSC) Handbook for Public Playground Safety and of ASTM Designation F1487: Standard Consumer Safety Performance Specification for Playground Equipment for Public Use.

B. Submittals:

1. Submittals Prior to Construction - Submit manufacturers’ documentation ofproduct compliance with CPSC and ASTM F1487 Standards including:

a. All paints and other similar finishes must meet the current CPSCregulation for lead in paint (0.05 percent maximum lead by dry weight).

b. Regardless of the material or the treatment process, the manufacturershall ensure that the users of the playground equipment cannot ingest,inhale, or absorb any potentially hazardous amounts of substancesthrough body surfaces as a result of contact with the equipment.

c. Submittals must be received and approved by the City’s OwnersAuthorized Representative prior to ordering equipment.

2. Submittals Prior to Project Acceptance – Contractor shall submit manufacturers’literature to the City prior to acceptance of the project.

PART 2 – PRODUCTS

la terra studio, inc. 22nd May 2019 DeBusk Park – KidsQuest Improvements 18040 Issue for Pricing Mesquite, Texas

2.01 PLAYGROUND EQUIPMENT Owner Provided Item Landscape Structures Whirlix Design, Inc. Greg Hawkins 800-975-2147

PART 3 - EXECUTION

3.01 GENERAL: Items shall be supplied and installed by Contractor as shown on the plans and as recommended by the manufacturer.

3.02 FALL ZONES: Contractor shall verify fall zone clearances onsite prior to installing the equipment. Notify the Owners Authorized Representative of any conflicts or discrepancies.

3.03 CONCRETE FOOTINGS: The finished grade of concrete footings shall be set twelve inches below the finish grade of surfacing material.

3.04 FASTENERS: Nuts and bolts shall be tamper resistant to prevent disassembly.

3.05 PROTECTION: Contractor shall be responsible for protection of unfinished work and shall erect temporary fencing, signage and barriers as necessary to prevent park users from utilizing unfinished equipment.

END OF SECTION


SECTION 12 93 00 – SITE FURNISHINGS

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes: 1. Drinking Fountain

B. Related Sections: 1. Division 01: Administrative, procedural, and temporary work requirements.

1.2 SUBMITTALS

A. Submittals for Review: 1. Shop Drawings: Indicate locations, dimensions, attachment, and relationship to adjacent

construction. 2. Product Data: Manufacturer's descriptive data.

PART 2 - PRODUCTS

2.1 SITE FUNISHINGS

A. Drinking Fountain 1. Type: Pedestal Drinking Fountain.2. Manufacturer: Most Dependable Fountains.3. Model: 440 SMFA (Front Approach).4. Color and finish: Red.5. Contact: Bruce Parahm

Most Dependable Fountains, Inc. 1.800.552.6331

PART 3 - EXECUTION

2.2 INSTALLATION

A. Install furnishings in accordance with manufacturer's instructions and approved Shop Drawings in the exact locations as shown on the drawings.

B. Set plumb, level, and rigid.

END OF SECTION

la terra studio, inc. 22nd May 2019 DeBusk Park – KidsQuest Improvements 18040 Issue for Pricing Mesquite, Texas SECTION 31 10 00 - SITE PREPARATION PART 1 - GENERAL 1.01 GENERAL:

The Conditions of the Contract, and applicable requirements of Division 1 – General Requirements apply to the work of this section.

1.02 SECTION INCLUDES:

A. Preparation for Work. B. Protection of Existing Features. C. Clearing, Grubbing and Site Work Demolition. D. Removal.

1.03 RELATED SECTIONS:

A. Applicable Sections of Division 0 – Bidding Requirements; Contract Forms; Contract Conditions.

B. Applicable Sections of Division 1 – General Requirements. C. Applicable Sections of Division 2 – Site Work. D. Applicable Sections of the Reference Specifications. E. Special Provisions.

PART 2 – PRODUCTS NOT APPLICABLE PART 3 - EXECUTION 3.01 GENERAL:

A. The work performed hereunder shall conform in every respect to the Contract Documents, applicable City and State requirements, applicable local ordinances, and regulations of the Occupational Safety and Health Administration.

3.02 PREPARATION FOR WORK:

A. Verify that existing plant material designated to remain, if any, is tagged or identified, and protected.

3.03 PROTECTION OF EXISTING FEATURES:

A. Locate, identify and protect from damage utilities to remain. B. Protect trees, plants and features designated to remain. C. Protect existing site improvements designated to remain. D. Protect bench marks and survey control from damage or displacement.


3.04 CLEARING & GRUBBING:

A. Clearing and Grubbing shall conform to the reference specifications. B. Remove existing concrete and asphalt paving, curb, gutter, walks and other items shown

to a neat saw cut line or as described to be removed in the Contract Documents. C. Remove plant material within the site shown or described to be removed in the Contract

Documents. Remove tree and shrub stumps and root system to a depth of 24 inches below existing grades. Remove topsoil, grass and ground cover root system to a depth of 6 inches.

3.05 REMOVAL:

A. Removed material shall become the property of the Contractor. Contractor shall remove debris, rock, and extracted plant life from site.

B. All removed material not designated to be relocated or salvaged shall be legally disposed of off-site by the Contractor.

END OF SECTION

la terra studio, inc. 22nd May 2019 DeBusk Park – KidsQuest Improvements 18040 Issue for Pricing Mesquite, Texas SECTION 31 20 00 - EARTHWORK PART 1 - GENERAL 1.01 GENERAL

A. The Conditions of the Contract, and applicable requirements of Division 1 – General Requirements apply to the work of this section.

1.02 SECTION INCLUDES

A. The furnishing of all labor, materials and equipment to complete all demolition, excavation,

filling, and compacting; to provide protection of cuts; and, to remove and dispose of all surplus materials and debris; as required. The work included in this Section is limited to the area defined in the drawings.

B. Quality Assurance. C. Materials. D. Excavation. E. Filling F. Grading. G. Non-treated Subgrade Preparation. H. Trench Backfill. I. Sheeting, Shoring and Bracing J. Testing and Laboratory Service.

1.03 RELATED SECTIONS

A. Applicable Sections of Division 0 - Bidding Requirements; Contract Forms; Contract

Conditions. B. Applicable Sections of Division 1 - General Requirements. C. Applicable Sections of Division 2 - Site Work. D. Applicable Sections of the Reference Specifications. E. Special Provisions.

1.04 REFERENCES

Reference Publications: A. Texas Department of Transportation, 1993 Standard Specifications for Construction of

Highways, Streets and Bridges. B. City of Dallas Standard Details.


A. Lines and Grades: Construction lines and grades shall be established at the site by a

competent surveyor or engineer employed by the Contractor. Any additional staking shall also be provided by the Contractor.

B. Debris and Unsuitable Materials: Remove debris, vegetation, rubbish and other perishable or objectionable matter. Legally dispose of debris and unsuitable materials off-site.

la terra studio, inc. 22nd May 2019 DeBusk Park – KidsQuest Improvements 18040 Issue for Pricing Mesquite, Texas PART 2 - PRODUCTS 2.01 GENERAL A. This part shall include the furnishing of all materials of the dimensions and types as shown

on the Drawings or as specified. 2.02 MATERIALS

A. Utility Embedment and Backfill Material: Materials installed as required by specific class

of embedment noted on plans or in City standard specifications and details. B. On-site Soils: All on-site soils used for construction shall be free of debris such as bricks,

concrete, steel, wood and other vegetative matter, asphalt, plastic, etc. C. Off-site Soils: Off-site soils will be required if the on-site material is not of sufficient quantity

to achieve the proposed grades. Off-site material shall be similar to on-site soil and must be approved by the geotechnical testing engineer prior to placement.

D. Topsoil: Topsoil shall be the upper six (6”) inches of on-site soil. E. Debris: Stumps, limbs, vegetable matter, trash, rubbish, and otherwise objectionable

material encountered in excavating shall become the property of the Contractor and shall be legally disposed of off-site.

PART 3 - EXECUTION 3.01 GENERAL

A. This part shall include the placing of all specified materials at the locations and elevations

as shown on the Drawings. B. The work performed hereunder shall conform in every respect to the Contract Documents,

applicable City and State requirements, applicable local ordinances, and regulations of the Occupational Safety and Health Administration (OSHA).

3.02 EXCAVATION

A. All excavation shall be made in such manner as to permit all surfaces to be brought to final

line and grade within plus or minus 0.1 foot. Over excavation shall be restored by the Contractor at their expense. Finished grades consistently high or low will not be acceptable and shall be corrected by the Contractor at their expense.

B. In all areas of excavation the upper six (6”) inch layer of topsoil shall be removed and stockpiled and saved for future reinstallation. Stockpile location shall be approved by the Owner’s representative. Topsoil shall be free of objectionable as described above in item 2.2 B.

C. Unsuitable, soft or yielding material present at pavement subgrade shall be removed to a minimum depth of two (2’) feet below finish subgrade elevations or to a depth determined by the Owner, depending on the type of material removed. Finished subgrade for paving areas shall be proof rolled with a loaded dump truck to determine location of soft spots. Soft areas shall be removed and reworked to meet project requirements.

D. Finished subgrade shall be inspected by the Contractor's on-site geotechnical/testing laboratory for determination that subgrade meets project specifications. Provide reports certifying that subgrades meet project specifications.


3.03 EMBANKMENT

A. Embankment shall be constructed as required to meet the lines and grades indicated on the Drawings. If rock cuttings are used, they shall be broken or crushed so that the maximum dimension is four (4”) inches. All rock is to be used in the bottom of proposed embankment. No rocks will be allowed in the upper twenty four (24”) inches of proposed embankment.

B. Embankment material shall be on-site material or off-site material if the on-site material is not of sufficient quantity to achieve the proposed grades. Off-site material shall be similar to on-site soil and must be approved by the geotechnical testing engineer prior to placement.

C. Embankment material should be spread in loose lifts, less than six (6”) inches thick and uniformly compacted. If filling is suspended and the subgrade becomes desiccated or rutted, it should be reworked prior to placement of a subsequent lift. Finish subgrade shall be a uniformly graded surface with no loose material such as rocks, clods or other debris present.

D. Equipment for compacting embankment material shall be sheepsfoot rollers, rubber-tired rollers and other Owner-approved equipment capable of obtaining required density.

E. The combined excavation and embankment placement operations shall be such that the subgrade material when compacted will be blended sufficiently to secure the best practicable degree of compaction. The suitability of the materials shall be subject to approval of the testing laboratory. Successive loads of embankment material shall be dumped, then spread and mixed to give a horizontal layer of not more than 6 inches in depth, loose measurement. After each layer of embankment has been spread to the proper depth it shall be thoroughly manipulated with a disc plow or other suitable and approved equipment until the material is uniformly mixed, pulverized and brought to a uniform approved moisture content.

F. All embankment shall be placed in such a manner as to permit all surfaces to be brought to final line and grade within plus or minus 0.1 foot. Finished grades consistently high or low will not be acceptable and shall be corrected by the Contractor.

G. Any material, whether undisturbed in place or newly placed embankment material, having a moisture content too high for proper compaction shall be dried by aeration until the moisture content is lowered to a point where satisfactory compaction may be obtained. If the moisture of the embankment material is too low, water shall be added to the material, and the material shall be thoroughly mixed by blading and discing to produce uniform and satisfactory moisture content.

H. If, in the opinion of the testing laboratory, the rolled surface of any layer or section of the embankment is too smooth to bond properly with the succeeding layer or adjacent section, the surface shall be roughened by discing or scarifying to the satisfaction of the testing laboratory before placing succeeding layers or adjacent sections.

3.04 GRADING

A. All excavation and embankment areas shall be brought to final line and grade by finish grading,

paving, or placement of surface materials. Grades not otherwise shown shall be uniform levels or slopes between elevation points, and conforming to adjacent graded areas.

B. In general, areas adjacent to roads, walks, structures, or other finished surfaces shall be graded to provide positive drainage to drainage collection facilities.

C. Grades shown on plans are finished grades. Contractor shall coordinate proper placement of the required depth of topsoil in areas requiring topsoil. Contractor shall also coordinate proper


subgrade elevations required to achieve finish grades of proposed areas of pavement. Topsoil material shall conform to the requirements of the contract documents.

D. The compaction requirement for general site subgrade shall be a minimum ninety two (92%) percent of maximum dry density (at or within plus four (+4%) percent of the optimum moisture content) as determined by ASTM D-698 (Standard Proctor Density), or as directed by the on-site geotechnical/testing laboratory for specific types of material.

3.05 SUBGRADE PREPARATION

A. All subgrade under paving, walks and foundations, where other subgrade treatment is not

described, shall be prepared by scarifying the top eight (8”) inches of the material below finish subgrade elevation with disc plow or other suitable and approved equipment. The moisture content shall be adjusted by wetting or aerating to at or within plus (+2%) percent of optimum as determined by the testing laboratory. The material shall then be compacted to the required density ninety five (95%) percent of optimum as determined by ASTM D-698 (Standard Proctor Density).

3.06 TRENCH BACKFILL

A. All materials used for trench filling shall be on-site soils, except where "Sand Backfill" or other

materials are called for in the Drawings or in the Specifications. B. Trench backfill shall be compacted to a minimum of ninety five (95%) percent of the maximum

at or slightly above optimum moisture density content as determined by ASTM D698 (standard proctor density), or as directed by the on-site geotechnical engineer for specific types of material.

3.07 GEOTECHNICAL TESTING AND LABORATORY SERVICE

A. Testing shall comply with applicable sections of the referenced specification, modified as

noted. B. Embankment and subgrade compaction: The testing laboratory shall make tests of in-place

density in accordance with ASTM D2922 at points selected by the Contractor. A minimum rate of one density test for each 10,000 square feet per lift will be made, unless otherwise directed by the Owner.

C. Reports: The testing laboratory shall send copies of the reports to the following: 1. PROJECT MANAGER 2 copies 2. CONTRACTOR 1 copy 3. OWNER’S REPRESENTATIVE 1 copy 4. RECORD 1 copy

END OF SECTION

la terra studio, inc. 22nd May 2019 DeBusk Park – KidsQuest Improvements 18040 Issue for Pricing Mesquite, Texas SECTION 31 20 20 - SITE DEMOLITION

PART 1 - GENERAL


A. Demolishing and removing existing improvements, equipment and materials.

B. Disposing of demolished materials and equipment.

1.02 SUBMITTALS

A. Submittals shall conform to requirements of Section 01330 - Submittals.

B. Submit proposed methods, equipment, materials and sequence of operations for demolition of improvements. Describe coordination for shutting off, capping, and removing temporary utilities. Demolition operations shall be planned to avoid disruption of existing utilities.

C. Submit proposed demolition and removal schedule for approval. Notify Owner’s Representative in writing at least forty eight (48) hours before starting demolition.

1.03 OWNERSHIP OF MATERIAL AND EQUIPMENT

A. Materials and equipment designated for reuse or salvage is called out on the plans. Protect items designated for reuse or salvage from damage during demolition, handling and storage. Restore any damaged items to satisfactory condition.

B. Materials and equipment not designated for reuse or salvage become the property of the Contractor to be legally disposed of off-site. Remove material as work progresses to avoid clutter.

1.04 STORAGE AND HANDLING

A. Store and protect materials and equipment designated for reuse until time of installation.

1.05 ENVIRONMENTAL CONTROLS

A. Minimize spread of dust and flying particles. If required by governing regulations, use temporary enclosures and other suitable methods to prevent the spread of dust, dirt and debris.

B. Use appropriate controls to limit noise from demolition to levels designated in City ordinances.

C. Do not use water where it can create dangerous or objectionable conditions, such as localized flooding, erosion, or sedimentation of nearby ditches or streams.

D. Stop demolition and notify Owner’s Representative if underground fuel storage tanks,


asbestos, PCB's, contaminated soils, or other hazardous materials are encountered.

E. Dispose of removed improvements, materials, waste and debris in a manner conforming to applicable laws and regulations.

PART 2 - PRODUCTS

2.01 EQUIPMENT AND MATERIALS FOR DEMOLITION

A. Use equipment and materials approved under Paragraph 1.02, Submittals.

B. Fires are not permitted.

C. Do not use a "drop hammer" where the potential exists for damage to underground utilities, structures, or adjacent improvements.

PART 3 - EXECUTION

3.01 EXAMINATION

A. Prior to demolition, Contractor should make a site inspection with the Owner’s Representative to determine the condition of existing improvements adjacent to items designated for demolition. Preexisting damage to adjacent improvements shall be photographically documented by the Contractor.

B. Do not proceed with demolition or removal operations until after the joint inspection with the Owner’s Representative has occurred.

3.02 PROTECTION OF PERSONS AND PROPERTY

A. Provide safe working conditions for employees throughout demolition and removal operations.

B. Maintain safe access to on-site facilities and buildings scheduled to remain functional during construction. During construction not obstruct roadways, sidewalks or passageways to existing on-site facilities and buildings.

C. Perform demolition in a manner to prevent damage to adjacent property. Repair damage to adjacent property and facilities.

D. The Contractor shall be responsible for the safety and integrity of adjacent structures or improvements and shall be liable for any damage due to movement or settlement caused by demolition operations. Cease operations if an adjacent structures or improvements appear to be endangered. Resume demolition only after proper protective measures have been taken.

E. Erect and maintain enclosures, barriers, warnings and other required protective devices.

la terra studio, inc. 22nd May 2019 DeBusk Park – KidsQuest Improvements 18040 Issue for Pricing Mesquite, Texas 3.03 UTILITY SERVICES

A. Follow rules and regulations of authorities or companies having jurisdiction over communications, pipelines, and electrical distribution services.

B. Notify and coordinate with utility company and the surrounding neighborhood if temporary interruption of utility service is necessary.

3.04 DISPOSAL

A. Legally remove from the site all demolished by products not designated for reuse or salvage.

B. Follow method of disposal as required by regulatory agencies.

3.05 BACKFILL

A. Backfill holes left as a result of demolition operations. If no backfill material is indicated on the plans, backfill with approved embankment material and compact to the required density.

B. Do not backfill with material from demolition unless approved by the Owner’s Representative.

3.06 PLUMBING ITEMS

A. Plumbing removal consists of dismantling and removing existing piping, equipment and other appurtenances. It includes cutting, capping, and plugging as required to restore use of existing utilities.

B. When underground piping is to be altered or removed, cap the remaining piping. Abandoned underground piping may be left in place unless it interferes with proposed construction or is shown or specified to be removed. Piping less than fifteen (15”) inches in diameter may be plugged and abandoned in place.

C. Conform to applicable codes when making any changes to plumbing systems.

END OF SECTION

la terra studio, inc. 22nd May 2019 DeBusk Park – KidsQuest Improvements 18040 Issue for Pricing Mesquite, Texas SECTION 31 21 00 - FINISH GRADING PART 1 – GENERAL 1.01 SUMMARY

A. Includes But Not Limited To:

1. Spread existing top soil stored on site over lawn, wood mulch and planting areas.

2. Furnish and spread imported topsoil over lawn and planting areas if existing top soil quantity is not sufficient to completed topsoil placement.

3. Perform finish grading work required to prepare site for installation of wood mulch or

turfgrass as described in Contract Documents.

B. Related Sections:

1. General Conditions and Division 01 apply to this Section. 2. Section 02200 – Earthwork

1.02 SUBMITTALS

A. Quality Assurance – submit a representative sample of off-site topsoil, mulch and compost. Submit a material analysis of the imported top-soil and compost.

PART 2 – PRODUCTS 2.01 MATERIALS

A. Imported Topsoil:

1. Fertile, loose, friable soil capable of sustaining vigorous plant growth. 2. Clean and free from noxious weeds, weed seeds, rocks larger than half (1/2”) inch in

any dimension, and other objectionable materials. 3. Acidity/alkalinity range - pH 5.5 to 7.7. 4. Rocky or poor quality contaminated soil is not acceptable.

5. Sandy loam.

B. Compost:

All compost material is to be totally organic and decomposed for at least nine months. All compost is to be clean and free of fungus, disease, live plants, seed, excessive cotton lint and any harmful chemicals. "New Life Soil Conditioner" or "Perma Green


Compost", as specified below or an approved equal, shall be used. Raw organics are not acceptable.

1. For soil with an alkaline pH condition: Use "New Life Acid Gro" (acid pH) soil

conditioner as produced by Soil Building Systems of Dallas, or an approved equal.

2. For soil with an acidic pH condition: Use "Perma Green Compost" by Texas Earth Resources, Inc. of Dallas, or "New Life Natural Grower" (ph 8.0 to 9.0) by Soil Building Systems, Inc., of Dallas.

3. Sample and Specification Submittal: Submit a producer's specification and a quart

sample of the compost proposed for the Owners Representative's approval.

C. Wood Mulch

1. Derived from native hardwoods

2. Coarsely shredded

PART 3 – EXECUTION 3.01 EXAMINATION

A. Do not commence work of this Section until grading tolerances specified in Section 02200 are met.

3.02 PREPARATION

A. Protection

1. Protect trunks and roots of existing trees on site which are intended to remain. Do not use heavy equipment within the drip line. Interfering branches may be removed only with permission of the Owner’s Representative.

2. Protect other features which are to remain.

B. During preliminary grading, dig out weeds from planting areas by their roots and remove from

site. C. Remove from the subgrade rocks larger than one and one-half (1-1/2”) inches in size and

foreign matter such as building rubble, wire, cans, sticks, concrete, etc. before placing topsoil.

3.03 PERFORMANCE

A. Site Tolerances

1. Elevation Relative to Paving –


a. Sodded and Wood Mulch Areas – three (3”) inches below

2. Total Topsoil Depth –

a. Sodded and Landscape Areas – six (6”) inches minimum

3.04 DISTRIBUTION

A. Redistribute existing top soil stockpiled on site. If existing topsoil quantity is not sufficient to complete topsoil operations then off-site topsoil shall be imported to complete topsoil operations.

B. Topsoil shall be spread evenly over the prepared subgrade to create a smooth surface free of

low spots and humps and ready for turfgrass planting or wood mulch placement. C. Direct surface drainage in manner indicated on Drawings by molding surface to facilitate

natural run-off of water. Fill low spots and pockets with top soil and grade to drain properly.

D. Add three (3”) inches of compost to designated landscape areas and till or otherwise mix evenly into top eight (8”) inches of topsoil. Rake smooth to eliminate low spots and humps and to remove any objectionable material.

E. Spread a three (3”) layer of shredded hardwood mulch to all areas so designated on the plans

after topsoil placement.

END OF SECTION


SECTION 32 00 00 – CONCRETE PAVING FOR LANDSCAPE

PART 1 - GENERAL

1.1 GENERAL

A. The conditions of the Contract and applicable requirements of Division 1 – General Requirements apply to the work of this section.


A. Coordination: Coordinate preparation and processing of Submittals with performance of construction activities. Transmit each Submittal sufficiently in advance of performance of related construction activities to avoid delay.

B. Concrete walks.

C. Concrete curb and gutter.

1.3 RELATED SECTION

A. Section 32 13 70 – Joint Sealants for Landscape

1.4 REFERENCES

A. ASTM C78 – Flexural Strength of Concrete

B. ASTM C94 – Ready-Mixed Concrete

C. ASTM C143 – Test for Slump of Portland Cement Concrete

D. ASTM D1751 – Preformed Expansion Joint Fillers (Bituminous Types)

E. ASTM D1190 – Concrete Joint Sealer, Hot-Poured Elastomeric Type

F. ASTM D1850 – 1993 Standard Specifications for Construction of Highways, Streets, and Bridges

1.5 SUBMITTALS

A. Product Data: Manufacturer's product data sheets for joint fillers and sealers.

B. Concrete Mix Design: Submit mix designs in accordance with submittal requirements.



A. Concrete Mix Design Criteria: Provide concrete mix designs in accordance with submittal requirements.

1.7 PROJECT CONDITIONS

A. Environmental Requirements: Do not place concrete during rain, sleet or snow unless protection is provided. Maintain concrete temperatures as follows: 1. Cold Weather: Maximum and minimum, ASTM C94. 2. Hot Weather: Maximum 90°F.

PART 2 - PRODUCTS

2.1 MATERIALS

A. Concrete: Minimum compressive strength of 4000 psi at 28 days, 5-1/2% air-entrainment for trails.

B. Reinforcing Steel: As specified in plans.

C. Wire Mesh: As specified in plans.

D. Forms: Nominal 2 in. thickness dimension lumber, except use steel paving forms, TxDOT Item 360 if concrete spreader or slipform paver equipment is used. 1. Non-asphaltic: Sonoflex F expansion joint filler by Sonneborn or Ceramar by W.R.

Meadows, Inc. or equivalent.

E. Dowels and Sleeves: Smooth round bars, with sleeves at one end, allowing one inch of movement.

F. Joint Sealer: EZ-7 Cold applied joint sealer. Available from EZ-Seal LLC, Richardson, Texas (972) 669-9178.

2.2 MIXING

A. Mixing: Ready mixed concrete in accordance with ASTM C94.

B. Slump: Not less than 1-1/2, nor more than 3 in., ASTM C143.

C. Air Entrainment: 5.5 percent.

2.3 EQUIPMENT

A. At Contractor's option, sub-grade planer and template, concrete spreader or slipform paver, mechanical vibratory equipment and finishing equipment may be used for placing and finishing vehicular concrete paving, TxDOT Item 360.


2.4 SOURCE QUALITY CONTROL

A. Laboratory testing and inspection of concrete batching at ready mix plant as specified in Special Provisions Section

PART 3 - EXECUTION

3.1 EXAMINATION

A. Examine sub-grade for conditions that would prevent proper placement of concrete.

B. Verify that sub-grade has been prepared, shaped and compacted as specified in project geotechnical report.

C. Verify that sub-grade compaction and base courses have been satisfactorily completed.

D. Do not place concrete until conditions are free of defects.

3.2 FORMWORK

A. Build forms to lines and grades detailed, of sufficient strength and rigidity so they will not deflect under pressure of wet concrete.

B. Exercise extreme care in lying out, bracing and aligning forms. Formwork shall be straight, with no deviations in completed work greater than 1/4 in. in 10 feet.

C. Construct steel paving forms, if used, in accordance with TxDOT Item 360.

D. Build forms with straight edges or smooth curves. No jogs, missed tangents, bends or other defects in forms.

3.3 REINFORCING

A. Place reinforcing steel of sizes, shapes, lengths and spacing as detailed or scheduled.

B. Support reinforcing on plastic chairs or spacers (not wood blocks or brick bats) to provide a minimum of 2" clearance or as shown in typical pavement details.

C. Place dowels and sleeves at expansion joints in vehicular and other paving at spacing shown in plan details.

3.4 PLACING

A. Allowable Tolerances: 1. Vehicular Paving: In accordance with TxDOT, Item 360.


2. Concrete: Convey and place concrete so there is no separation of ingredients in accordance with TxDOT, Item 360. Do not place concrete when temperature is below 40° F.

B. Interruption of Placing: 1. Stoppage of concrete placing shall occur at expansion joints or other detailed contraction

joints. 2. Construct bulkheads to permit continuation of reinforcing steel. 3. When stoppage occurs at a control joint, treat as a construction joint.

3.5 JOINTING

A. Expansion Joints: Place expansion joints at locations detailed and scheduled. Place joint filler in expansion joint, 3/4 in. width at paving and 1/2 in. width at walks. Provide removable tacked-on strips to provide a recess for joint sealing compound or joint sealant.

B. Construction Joints 1. Provide construction joints at end of each day's work or when concrete placement is

stopped more than 1/2 hour. 2. Provide longitudinal keyed construction joints. At each construction joint form a

troweled control joint with 1/4 in. maximum edge radius.

C. Formed Control Joints: 1. Space joints as shown on Drawings. 2. Form joints with joint forms placed while concrete is still plastic. 3. Joint forms shall extend 1/5 of slab thickness.

D. Saw-Cut Control Joints: Saw-cut joints as-soon-as-possible, but not more than 18 hours after placing concrete, using a power-driven early-entry type concrete saw. Provide a clean, smooth cut, producing a groove 1/8 in. to 3/16 in. wide by 1/2 thickness of concrete.

E. Tooled Control Joints: Tool joints evenly to size and depth shown, straight within 1/8 in. in 10 ft.

3.6 FINISHES

A. Paving Finish: Transverse Metal Tining or Carpet drag paving finish, TxDOT, Item 360.

B. Other Paving Finish: Medium Broom finish

C. Walkway Finish: Tooled edges with medium broom finish.

D. Other Paving Finish: Reference Plans

3.7 CURING

A. Cure concrete in accordance with TxDOT Item 360. Do not allow vehicular traffic on concrete for minimum of 7 days.


3.8 SEALING JOINTS

A. Remove tack-on strips of expansion joint filler to provide recess for joint seal. Clean and dry joints with compressed air prior to sealing.

B. Joint Sealing: 1. Space Vehicular and Other Paving: Apply hot or cold joint sealer to expansion joints,

control joints and construction joints, filling joints to within 1/8 in. of paving surface 2. Walkway Expansion Joints: Self-leveling polyurethane sealant applied according to

manufacturer’s recommendations. 3. Expansion Joints between Paving and Structures: Self-leveling polyurethane sealant

applied according to manufacturer’s recommendations.

3.9 AJUSTING AND CLEANING

A. After curing, remove forms and debris then backfill, grade and compact adjoining area to lines and grades indicated.

B. Cleaning Up: Upon completion of work, clean-up work areas by removing debris, surplus material and equipment from site. Sweep paved surfaced clean.

3.10 PROTECTION

A. Protect paving from stains and damage and restrict vehicular traffic. Replace damaged or stained paving. Protect paving from vandalism and provide barricades at areas to be restricted from trail traffic.

3.11 FIELD QUALITY CONTROL

A. Laboratory Control and Tests: As specified in related sections.

END OF SECTION 32 00 00

la terra studio, inc. 22nd May 2019 DeBusk Park – KidsQuest Improvements 18040 Issue for Pricing Mesquite, Texas SECTION 32 11 00 - COMPOSITE DECKING

PART 1 GENERAL 1.1 Section Includes

A. Composite Decking 1.2 Related Sections

A. Section 06-1100 – Wood Framing 1.3 References

A. ASTM D-7032-04: Standard Specification for Establishing Performance Ratings for Wood-Plastic Composite Deck Boards and Guardrail Systems (Guards or Handrails), ASTM International.

B. ASTM D-7031-04: Standard Guide for Evaluating Mechanical and Physical Properties of Wood-Plastic Composite Products, ASTM International

C. ASTM E-84-01: Test Method for Surface Burning Characteristics of Building Materials, ASTM International.

D. ASTM D 570: Water Absorption of Plastics E. ASTM D 1761: Mechanical Fasteners in Wood F. ASTM D -1413-99: Test method for Wood Preservatives by Laboratory Soil-block

Cultures G. ASTM C177: Standard Test Method for Steady-State Heat Flux Measurements and

Thermal Transmission Properties by Means of the Guarded-Hot-Plate Apparatus

1.4 Design/Performance Requirements

A. Structural Performance: a. Deck: Uniform Load – 100lbf/sq.ft. b. Tread of Stairs: Concentrated Load: 750 lbf/sq.ft., and 1/8” max. deflection with

a concentrated load of 300 lbf on area of 4 sq. in. B. Fire-Test Response Characteristics per ASTM E-84.

1.5 Submittals

A. Product Data Indicate sizes, profiles, surface style, and performance characteristics B. Samples: For each product specified, one sample representing actual product color, size,

and finish. 1.6 Delivery, Storage, and Handling

A. Store Trex products on a flat and level surface. Adjust support blocks accordingly B. Support Trex bundles on supplied dunnage C. When stacking Trex bundles, supports should start approximately 8” from each end and

be spaced approximately 2ft on center. Supports should line up vertically/perpendicular to the decking product.

D. Do not stack Trex Select decking more than 14 bundles.


E. Keep material covered using the provided bundle cover until time of installation. F. See www. Trex.com for detailed storage recommendations;

a. http://s7d4.scene7.com/is/content/Trex/Installation%20Guide%202013pdf

1.7 Warranty

A. Provide manufactures warranty against rot, decay, splitting, checking, splintering, fungal damage, and termite damage for a period of 25 years for a residential installation and 10 years for a commercial installation. In addition provide the Trex Transcend and Trex Enhance Fade and Stain Warranty against food staining and fading beyond 5 Delta E (CIE units) for a period of 25 years for a residential installation and 10 years for a commercial installation. Specific terms for warranties can be found at; www.Trex.com

PART 2 PRODUCTS 2.1 Manufacturers

A. Contract Documents are based on products supplied by; Trex Company, Inc., 160 Exeter Dr., Winchester, VA 22603.

B. Substitutions: Not permitted under Division 01 2.2 Applications/Scope

A. Wood-Plastic Composite Lumber; a. Material Description: Composite Decking consisting of recycled Linear Low

Density Polyethylene (LLDPE) and recycled wood. The product is extruded into shapes and sizes as follows:

i. Trex Transcend and Trex Enhance Decking Boards; 1 x 5.5”. ii. Lengths – 12, 16, and 20 feet

iii. Color – To be specified by owner from Trex’ standard list of colors.

b. Physical and Mechanical Properties as follows:

Test Test Method Value Flame spread ASTM E 84 60(Transcend) / 85(Enhance)

Thermal Expansion ASTM D 1037 1.9 x 10-5 inch/inch/degreeF

Moisture Absorption ASTM D 1037 < 1%

Screw Withdrawal ASTM D1761 558 lbs/in Fungus Resistance ASTM D1413 Rating - no decay Termite Resistance AWPAE1-72 Rating = 9.6 Ultimate (Typical)Values * Design Values Compression Parallel ASTM D198 1588 psi 540 psi Compression Perpendicular ASTM D143 1437 psi 540 psi Bending Strength ASTM D198 3280 psi 500 psi Shear Strength ASTM D143 1761 psi 360 psi Modulus of Elasticity ASTM D4761 412,000psi 200,000 psi Modulus of Rupture ASTM D4761 3280 psi 500 psi

http://s7d4.scene7.com/is/content/Trex/Installation%20Guide%202013pdf

http://www.trex.com/


* Ultimate strength values are not meant for design analysis. Design values are for temperatures up to 130F (54C) 2.2 Accessories

A. Fasteners: a. Trex Universal Hideaway Hidden Fasteners b. Screws; See -

http://s7d4.scene7.com/is/content/Trex/Installation%20Guide%202013pdf for the updated recommendations on fasteners.

PART 3 EXECUTION 3.1 Installation

A. Install according to Trex installation guidelines. http://s7d4.scene7.com/is/content/Trex/Installation%20Guide%202013pdf

B. Cut, drill, and rout using carbide tipped blades C. Do not use composite wood material for structural applications

3.2 Cleaning A. Following cleaning recommendations as found in Trex installation guide at; http://s7d4.scene7.com/is/content/Trex/Installation%20Guide%202013pdf





SECTION 32 13 00 – CAST IN PLACE CONCRETE FOR LANDSCAPE

PART 1 - GENERAL

1.1 SCOPE

A. Furnish all labor, materials, services and equipment as required in conjunction with or properly incidental to placing of concrete as described herein and/or as shown on the Drawings.

B. Includes all cast-in-place concrete building members. Refer to other sections for site concrete work.

C. Drawings and general provisions of Contract, including General and Supplementary Conditions and Division-1 Specification sections, apply to Work of this section.

1.2 CODES AND STANDARDS

A. The Work described in this Section, unless otherwise noted on the Drawings, or herein specified, shall be governed by the latest editions of the following codes or specifications. 1. ACI 211.1-81, "Recommended Practice for Selecting Proportions of Normal Weight

Concrete". 2. ACI 301, "Specifications for Structural Concrete for Buildings". 3. ACI 304, "Recommended Practice for Measuring, Mixing, Transporting and Placing

Concrete". 4. ACI 305, "Hot Weather Concreting". 5. ACI 306, "Cold Weather Concreting". 6. ACI 309, "Standard Practice for Consolidation of Concrete". 7. ACI 311, "ACI Manual of Concrete Inspection". 8. ACI 318, "Building Code Requirements for Reinforced Concrete". 9. ASTM C33, Standard Specification for Concrete Aggregate. 10. ASTM C94, Standard Specification for Ready-Mix Concrete. 11. ASTM C136, Standard Method for Sieve Analysis of Fine and Coarse Aggregates. 12. ASTM C150, Standard Specification for Portland Cement. 13. ASTM C260, Standard Specification for Air-Entraining Admixtures. 14. ASTM C330, Standard Specification for Lightweight Aggregates for Structural Concrete. 15. ASTM C494, Standard Specification for Chemical Admixtures for Concrete. 16. ASTM C595, Standard Specification for Blended Hydraulic Cements. 17. ASTM C618, Standard Specification for Fly Ash and Raw or Calcined Natural Pozzolan

for Use as a Mineral Admixture in Portland Cement Concrete.


A. Source Quality Control: 1. Mark Concrete production facilities shall meet the requirement for certification by the

National Ready Mixed Concrete Association.


2. Concrete batchers shall be completely interlocked semi-automatic or automatic batchers, as defined by the Concrete Plant Manufacturers Bureau.

3. Concrete batchers shall have graphic, digital, or photographic recorders, which shall register both empty balance and total weight (or volume of water or admixture) of each batched material, time to the nearest minute, date, identification of batch, and numerical count of each batch. Copies of the record shall be furnished to the Testing Laboratory.

4. The Testing Laboratory shall provide concrete batch plant inspection as follows: a. Provide a qualified inspector with necessary equipment and apparatus to inspect

weighing and batching of controlled concrete at batch plant on a random basis, approximately once daily as the concrete is being placed on this project.

b. Make certain that materials and batch equipment used are in accordance with requirements of Specifications.

c. Check for adjustment in batch weights to compensate for variations in moisture content.

d. Submit promptly to Landscape Architect, certification of weights used in loads of acceptable concrete which has been batched during plant inspection time.

B. Concrete Mix Design Criteria: 1. Design concrete mixes in accordance with Part 2 of this Section. 2. For each concrete mix type proposed, make trial mix using aggregate proposed. 3. Determination of required average strength above specified strength shall be in accordance

with ACI 318. 4. Make advance tests of trial mixes with proposed materials. Mold and cure test cylinders

in accordance with ASTM C39. Do not place concrete on project until laboratory reports and results of confirmation cylinder tests have been evaluated by the Testing Laboratory and results indicate that proposed mixes will develop required strengths.

5. Testing Laboratory shall furnish the Landscape Architect with a written evaluation of each proposed concrete mix design submitted by the Contractor.

6. Check mix designs and revise if necessary wherever changes are made in aggregates or in surface water content of aggregate or workability of concrete. Slump shall be minimum to produce workable mix. Laboratory shall prescribe maximum quantity of water.

1.4 SUBMITTALS

A. Mix Designs: The Contractor shall submit proposed mix designs in accordance with ACI 318, Section 5.3 to the Testing Laboratory and Landscape Architect for evaluation a minimum of 14 days prior to placing concrete. Show: 1. Proportions of cement, including fly ash content, fine and coarse aggregates, and water. 2. Combined aggregate gradation. 3. Aggregate specific gravities and gradations. 4. Water-cement ratio, design strength, slump and air content. 5. Type of cement and aggregates. 6. Type and dosage of admixtures. 7. Type, color and dosage of integral coloring compounds, where applicable. 8. Special requirements for pumping. 9. Range of ambient temperature and humidity for which design is valid. 10. Any special characteristics of mix which require precautions in mixing, placing, or

finishing techniques to achieve finished product. 11. Test data showing an acceptable strength history as specified in Section 5.3 of ACI 318.


B. Mix designs based on trial mixes in accordance with Part 2 of this

C. The Contractor shall furnish duplicate delivery tickets for each load of ready-mix concrete delivered to site, in accordance with ASTM C94. Show batch weights on each ticket.

D. The Contractor shall furnish mill test reports on an as-used basis for each type and brand of cementitious material used, including fly ash.

E. The Testing Laboratory shall furnish a statistical analysis for each class of concrete placed on the project as specified in this section.

1.5 PRODUCT DELIVERY, STORAGE, AND HANDLING

A. Mix and deliver concrete to project ready-mixed in accordance with ASTM C94. Mix concrete a minimum of 70 revolutions of transit mix drum at mixing speed. A minimum of 40 revolutions shall be at the production plant.

B. Schedule delivery so that continuity of any pour will not be interrupted for over 15 minutes.

C. Place concrete on site within 90 minutes after proportioning materials at batch plant.

1.6 JOB CONDITIONS

A. Hot Weather Concreting: 1. Follow ACI 301 and ACI 306.1. 2. When ambient temperature at site is below 40 degrees F or is expected to fall to that

temperature within ensuing 24 hours, heat water and/or aggregate prior to adding to mix so that temperature of concrete will be between 55 degrees F and 85 degrees F at time of placement.

3. Maintain temperature of deposited concrete between 50 degrees F and 70 degrees F for minimum of seven days after placing. a. Concrete with temperatures above 90 degrees F shall be placed only if a high range

water reducer (super plasticizer) is added to the mix as directed by the Testing Laboratory to maintain the specified slump during placement.

B. Cold Weather Concreting: Protect concrete work from physical damage or reduced strength which could be caused by frost, freezing actions, or low temperatures. 1. Follow ACI 301 and ACI 306.1. 2. When ambient temperature at site is below 40 degrees F or is expected to fall to that

temperature within ensuing 24 hours, heat water and/or aggregate prior to adding to mix so that temperature of concrete will be between 55 degrees F and 85 degrees F at time of placement.

3. Maintain temperature of deposited concrete between 50 degrees F and 70 degrees F for minimum of seven days after placing.

C. Temperature Changes: Maintain changes in concrete temperature as uniformly as possible, but in no case exceed change of 5 degrees F per hour or 25 degrees F in any 24 hour period.


D. Combustion heaters shall not be used during the first 48 hours without precautions to prevent exposure of concrete and workmen to exhaust gasses containing carbon dioxide and/or carbon monoxide.

E. Admixtures intended to accelerate hardening of concrete or produce higher than normal strength at early periods will not be permitted unless approved by the Landscape Architect. The use of calcium chloride is specifically prohibited.

1.7 SEQUENCING/SCHEDULE

A. Coordinate Work of this Section with Work of other Sections as required to properly execute the Work and as necessary to maintain satisfactory progress of the Work of other Sections.

PART 2 - PRODUCTS

2.1 MATERIALS

A. Cement/Fly Ash: 1. Portland Cement, Type I or III, conforming to the requirements of ASTM C150. 2. Fly Ash, Class C or F, conforming to the requirements of ASTM C618. The use of Fly

Ash shall be subject to review by the Landscape Architect. Where Fly Ash is used in the mix design, Fly Ash shall comprise no more than 20% by weight of the total cementitious material in the mix.

B. Aggregate: 1. Where Fine: ASTM C33; clean, hard, durable, uncoated, natural sand, free of silt, loam or

clay. 2. Coarse: ASTM C33; hard, durable, uncoated, crushed stone; gradation in accordance with

Size No. 467 for piers and concrete footings and Size No. 67 for all other concrete. Maximum aggregate size in accordance with ACI 318.

3. Coarse aggregate for structural lightweight concrete shall conform to the applicable requirements of ASTM C330 suitably processed, washed and screened, and shall consist of durable particles without adherent coatings. Gradation in accordance with Size Designation 3/4 inch to No. 4, Table 1, ASTM C330.

4. Grading shall be in accordance with "Standard Method for Fine Analysis of Sieve and Coarse Aggregates" (ASTM C136).

C. Water: ASTM C94, Paragraph 4.1.3; potable, clean and free from oil, acid and injurious amount of vegetable matter, alkalies, and other impurities.

D. Admixtures: 1. Cement- dispersing, water-reducing types. Admixtures shall conform to ASTM C494,

Type A or D, and shall be used strictly in accordance with manufacturer's recommendations and as determined by the Testing Laboratory. Admixture shall not discolor concrete or in any way affect the appearance of the concrete. a. High- range water reducing admixture conforming to ASTM C494, Type F, may be

used as required and shall be one of the following types or equal:


1) Gifford-Hill PSI Super 2) Master Builders Admixture LA-35 3) SIKA Sikament 4) W.R. Grace WRDA-19

2. An air-entraining admixture conforming to ASTM C260 shall be used as required on the Drawings and shall be one of the following types or equal: a. Gifford-Hill Air-Tite b. Master Builders MB-VR c. SIKA AER d. W.R. Grace Darex AEA

3. Use of calcium chloride is specifically prohibited. 4. All Admixtures shall be certified by manufacturer to contain not more than 0.1% water-

soluble chloride ions by mass of cementitious materials.

E. Non-Shrink Cement Grout: 1. Qualities: Premixed non-shrink grout requiring only addition of water. Non-metallic type

grout where grout will be sight exposed. a. Minimum compressive strength of 5000 PSI at 7-days and 7500 PSI at 28-days

when placed at a plastic consistency of 115% flow factor. b. Free of chloride, sulphates or gas producing agents.

2. Standards: a. Overall product: CRD-C-621. b. Compressive Strength: ASTM C109, 2 inch cubes. c. Bleed Performance: CRD C-611. d. Flow Factor: ASTM C230.

F. Miscellaneous Structural Metals Associated with Structural Concrete: 1. All structural steel pieces including miscellaneous structural metals placed in concrete

exposed to weather, in permanent contact with soil, or accessible to salt intrusion shall be hot dipped galvanized in accordance with ASTM A123.

2. All structural steel pieces embedded in concrete shall conform to ASTM A36, unless noted otherwise on the Drawings.

3. Welding of inserts, anchors and other steel pieces used in conjunction with structural concrete shall conform to AWS D1.1.

4. Welding of reinforcing steel used in conjunction with structural concrete shall conform to AWS D1.4.

5. Headed stud anchors shall conform to ASTM A108, minimum tensile strength 60,000 PSI. 6. Concrete expansion anchors shall be wedge-type anchors, meeting the requirements of

Federal Specification FF-S-325, Group II, Type 4, Class 1, plated in accordance with Federal Specification QQ-Z-325C, Type II, Class 3. Size and location shall be as indicated on the Drawings.

2.2 MATERIALS

A. Strength: Concrete is classified and specified by ultimate compressive strength (f'c) at the age of 28 days.

B. Design concrete to yield strengths indicated on the Drawings.


C. Proportions: Proportions of cement, aggregate, and water to attain required plasticity and compressive strength shall be in accordance with ACI 318. Do not make changes in proportions without submitting proposed changes to Testing Laboratory for evaluation. 1. Mix designs furnished by the concrete supplier, and accompanied by test data showing an

acceptable strength history meeting the requirements as specified in section 5.3 of ACI 318, will be considered an acceptable alternative to the procedure described in paragraphs below. a. Temperature of concrete in test data shall be within 5 degrees F of maximum

temperature specified for this project. b. Strengths indicated in test data shall be in accordance with ACI 318, Section 5.3.2. c. The specified strength of concrete used in supporting test data shall vary no more

than 500 PSI plus or minus from that specified for this project. 2. If test data showing an acceptable strength history is not available trial mixtures as

specified in Section 5.3.3.2 of ACI 318 having proportions and consistencies suitable for the work shall be made based on ACI 211.1, using at least three different water-cement ratios which will produce a range of strengths encompassing those required for this project. a. Trial mixes shall be designed to produce a slump within 3/4" of the maximum

permitted, and for air-entrained concrete, within 0.5 percent of maximum allowable air content. The temperature of concrete used in trial batches shall not exceed the maximum temperature specified.

b. For each water-cement ratio, at least three confirmation compression test cylinders for each test age shall be made and cured in accordance with ASTM C192. Confirmation cylinders shall be tested at seven and twenty-eight days in accordance with ASTM C39.

c. From the results of the twenty-eight day confirmation tests, a curve shall be plotted showing the relationship between the water-cement ratio and compressive strengths. From this curve, the water-cement ratio to be used in the concrete shall be selected to produce the average strength required.

d. The cement content and mixture proportions to be used shall be such that this water-cement ratio is not exceeded when slump is the maximum permitted. Control in the field shall be based upon maintenance of proper cement content, slump and air content.

3. The Testing Laboratory shall keep a strength history record of all concrete for the duration of the project as specified in this section.

PART 3 - EXECUTION

3.1 GENERAL

A. Inserts: Give the various trades and subcontractors ample notification and opportunity to furnish any and all anchors, nailers, pipes, conduits, boxes, inserts, thimbles, sleeves, frame vents, wires, supports, or other items required to be built into the concrete by the provisions of the Drawings or of the Specification governing the work of such trades and subcontractors, or as it may be necessary for the proper execution of their work. Obtain suitable templates or instructions for the installation of such items which are required to be placed in the forms.

B. Slump:


1. Concrete not containing a high range water reducing admixture shall not be placed when its plasticity, as measured by slump test, is outside the following limits: Unit Slump Piers 6” maximum, 4” minimum All other Structural Concrete 5” maximum, 3” minimum

2. Concrete containing a high range water reducing admixture shall not be placed when its plasticity, as measured by slump test, is outside the following limits: a. Prior to addition high range water reducer: 3 inch maximum, 1 inch minimum. b. After addition of high range water reducer: 10 inch maximum.

C. Classes of Concrete and Usage: Concrete of the several classes of concrete required shall have the characteristics shown on the Drawings.

D. Mixing: 1. Transit-mixed concrete conforming to the requirements of ASTM C94, ACI 304 and

ASTM C1116 shall be used in lieu of concrete mixed at the job site. Concrete shall not be transported or used in any case after a period in excess of ninety (90)minutes has elapsed after the introduction of water into the mixer.

2. Indiscriminate addition of water to increase slump of concrete is prohibited. Add water only at the direction of the Testing Laboratory. No water shall be added which increases the water cement ratio of the concrete in excess of the water cement ratio indicated on the approved mix design. At the direction of the Testing Laboratory the addition of a high range water reducing admixture may be used to retemper concrete.

3. The agency supplying transit-mixed concrete shall have a plant of sufficient capacity and adequate transportation facilities, to assure continuous delivery at the rate required. The frequency of deliveries to the site of the work must be such as to provide for placing the concrete continuously throughout any one (1) pour.

E. Conveying Concrete: Convey concrete from the mixer to the place of final deposit by methods which will prevent the separation or loss of the ingredients. Concrete to be conveyed by pumping shall be submitted to the Testing Laboratory for evaluation for each class of concrete specified before being used. Test cylinders for pumped concrete shall be taken at the discharge end of the pumping equipment.

F. Equipment for chuting, pumping, and pneumatically conveying concrete shall be of such size and design as to assure a practically continuous flow of concrete at the delivery end without separation of the materials. The use of gravity-flow or aluminum chutes or conveyors for transporting concrete horizontally will not be permitted.

3.2 CONCRETE CONTROL AND TESTING

A. Testing laboratory services shall be in accordance with Section 01410.

B. Sample and test concrete placed at the job site in accordance with ASTM C172. Each sample shall be obtained from a different batch of concrete on a random basis.

C. All concrete shall be tested as follows: 1. Mold and cure five (5) specimens from each sample in accordance with ASTM C31.


2. Two (2) specimens shall be tested at seven days for information, two shall be tested at 28 days for acceptance, and the remaining cylinder shall be tested as directed.

D. Specimens for pumped concrete shall be taken at the discharge end of pumping equipment.

E. Any deviations from the requirements of ASTM Specifications shall be recorded in the test report. Test concrete specimens in accordance with ASTM C39.

F. Make at least one strength test (five specimens) for each 100 cu. yd. or fraction thereof, of each mix design of concrete placed in any one day. Determine slump of the concrete sample for each strength test and whenever consistency appears to vary, in accordance with ASTM C143.

G. Determine air content of air-entrained, normal weight and/or lightweight, concrete sample for each strength test in accordance with either ASTM C231 or ASTM C173. Determine the unit weight of the concrete sample for each strength test.

H. Inspect each batch of concrete, monitor addition of mixing water to assure uniform consistency from truck to truck. Check mixing form mixers before mix begins to set and within time limits set forth in ASTM C94. 1. Monitor addition of water and high-range water reducer to concrete at job site and length

of time concrete is allowed to remain in truck during placement. 2. Certify each delivery ticket indicating class of concrete delivered, amount of water added

and time at which cement and aggregate was discharged into truck, and time at which concrete was discharged from truck.

I. Should the strength of concrete fall below the minimum, then additional tests, including load tests, may be required. These tests, if required, shall be made at the Contractor's expense and shall be in accordance with ASTM C42 and ACI 318. If tests do not meet the applicable requirements, then the structure, or any part of the structure, shall be removed and replaced at the Contractor's expense.

J. Test reports shall include but not be limited to the following information: date of concrete placement, concrete mix identification number or proportion of ingredients, truck ticket number, time test was made, time of batching, location of each placement, slump, unit weight and air content of concrete sampled and date and results of strength test.

K. Report promptly to Landscape Architect all details of reasons for rejection of any and all quantities of concrete. Give all information concerning locations of the concrete pours, quantities, date of pours, and other pertinent facts concerning concrete represented by the specimens.

L. Any concrete testing requested by the Contractor for early formwork or shoring removal, etc., shall be at the Contractor's expense.

M. Furnish a statistical analysis for each class of concrete placed on the project in accordance with ACI 214-77 and ACI 318. Information shall be updated and distributed once a month as directed by the Landscape Architect. Information shall include, but not be limited to, the following? 1. Strength tests at 7 days of 2 cylinder averages. 2. Strength tests at 28 days of 2 cylinder averages. 3. 28-day moving average strength tests of last 3 test groups. 4. Standard deviation and coefficient of variation based on 28 day strength tests.


5. Average strength and number of 28 days tests for most recent month.

3.3 PLACING CONCRETE

A. Place concrete in reasonably uniform layers, approximately horizontal, and not more than eighteen inches (18") deep, exercising care to avoid vertical joints or inclined planes. The piling up of concrete in the forms in such a manner as to cause the separation or loss of any of its ingredients will not be permitted. Concrete which has partially set or hardened shall not, under any circumstances, be deposited in the work.

B. Place concrete in the forms as nearly in its final position as is practical to avoid rehandling. Exercise special care to prevent splashing the forms or reinforcement with concrete. Remove any hardened or partially hardened concrete which has accumulated on the forms or reinforcement before the work proceeds. Do not place concrete on previously deposited concrete which has hardened sufficiently to cause the formation of seams or planes of weakness within the respective member of section, except as hereinafter specified.

C. Do not permit concrete to drop freely any distance greater than five feet (5'). Where longer drops are necessary, use a chute, tremie, or other acceptable conveyance to assist the concrete into place without separation. Do not pour directly into any excavations where water is standing.

D. Vibration: As soon as concrete is deposited, thoroughly agitate same by means of mechanical vibrators and suitable hand tools, so manipulated as to work the mixture well into all parts and corners of the forms, and entirely around the reinforcement and inserts. Mechanical vibrators shall maintain frequencies in accordance with the recommendations of ACI 309R. Table 5.1.4, and shall be operated by competent workmen. Over vibrating and use of vibrators to transport concrete within forms shall not be allowed. A spare vibrator shall be kept on the job site during all concrete placing operations.

E. Bonding: Before depositing any new concrete on or against previously deposited concrete which has partially or entirely set, the surface of the latter shall be thoroughly roughened and cleaned of all foreign matter, scum and laitance.

F. Construction Joints: Except as otherwise specifically indicated on the Drawings, each concrete member shall be considered as a single unit of operation, and all concrete for the same shall be placed continuously in order that such unit will be monolithic in construction. Should construction joints prove to be absolutely unavoidable, same shall be located at or near the midpoints of spans. Additional construction joints shall not be made under any circumstances without prior review by the Landscape Architect.

G. Protect all freshly placed concrete from washing by rain, flowing water, etc. Do not allow the concrete to dry out from the time it is deposited in the forms until the expiration of the curing period.

H. Refer to structural drawings for column base plate and other structural grouting requirements.

I. Grout shall be mixed only in such quantities as are needed for immediate use. No retempering shall be permitted and materials which have been mixed for a period exceeding thirty (30) minutes shall in no case be used upon any portion of the work.


J. Imperfect or damaged work, or any material damaged or determined to be defective before final completion and acceptance of the entire job, shall be satisfactorily replaced at the Contractor's expense and shall be in conformity with all of the requirements of the Contract Documents. Removal and replacement of concrete work shall be done in such a manner as not to impair the appearance or strength of the structure in any way.

K. Cleaning: Upon completion of the work, all forms, equipment, protective coverings and any rubbish resulting therefrom shall be removed from the premises. Finished concrete surfaces shall be left in clean and perfect condition, satisfactory to the Owner. Sweep with an ordinary broom and remove all mortar, concrete droppings, loose dirt, mud, etc.

3.4 TESTING

A. For every one-third (1/3) cubic yards of grout placed, grout strength shall be tested with a set of cubes as follows: 1. A set of cubes shall consist of three cubes to be tested at 7 days, and three cubes to be tested

at 28 days. 2. Test cubes shall be made and tested in accordance with ASTM C109, with the exception

that the grout should be restrained from expansion by a top plate.

3.5 FIELD QUALITY CONTROL AND TESTING

A. Testing Laboratory Services shall be in accordance with Section 007000.



SECTION 32 13 10 – CONCRETE FORMING FOR LANDSCAPE

PART 1 - GENERAL

1.1 SCOPE

A. Includes furnishing all materials, equipment, transportation and facilities, and performing all labor necessary for constructing concrete formwork.

B. Drawings and general provisions of Contract, including General and Supplementary Conditions and Division-1 Specification section, apply to Work of this Section.


A. The Work described in this Section, unless otherwise noted on the Drawings, or herein specified, shall be governed by the codes in effect at the time of permitting and specifications. 1. ACI 301, Specifications for Structural Concrete of Buildings. 2. ACI 318, Building Code Requirements for Reinforced Concrete Buildings. 3. ACI 347, Recommended Practice for Concrete Formwork. 4. U.S. Product Standard for Softwood Plywood, Construction and Industrial PS-1. 5. Timber Construction Manual, American Institute of Timber Construction. 6. Design of Wood Formwork for Concrete Structures, National Forest Products Association.


A. ASTM A 120 – Pipe, Steel, Black and Hot-dipped Zinc-coated (Galvanized) Welded and Seamless, for Ordinary Uses. 1. The design and engineering of formwork and shoring, as well as its construction, shall be

the responsibility of the Contractor. 2. Design criteria shall conform to ACI 347, Chapter 2.

B. ASTM C 94 – Ready-mixed Concrete. 1. Except when close coordination and fitting of various trades' work precludes allowance of

tolerance, maximum total permissible deviations from established line, grades and dimensions shall conform to ACI 347, Section 3.3. Set and maintain forms in such manner as to ensure completed work within specified tolerance limits.

2. Variation in location of embedded structural items unless provided with sleeves or other means of adjustment: 1/4".

1.4 SUBMITTALS

A. Submit shop drawings in accordance with Section 01340.


B. Shop Drawings: Submit a diagram of proposed construction joints not indicated on Drawings prior to or concurrent with reinforcing steel shop drawings. 1. Shop drawings will be reviewed for proposed construction joint locations with respect to

aesthetic criteria and general design conformance only.

C. Product Data: Submit complete manufacturer's product data sheets for each specified product.

1.5 STORAGE OF MATERIALS

A. Store form materials and accessories on dunnage and under cover with protective sheeting.

1.6 SCHEDULING/SEQUENCING

A. Coordinate Work of this Section with work of other Sections as required to properly execute the work and as necessary to maintain satisfactory progress of the work of other Sections.

PART 2 - PRODUCTS

2.1 MATERIALS

A. FORMS: Wood, metal and other approved material that will not adversely affect surface of concrete and will provide or facilitate obtaining specified surface finish: 1. Wood forms for unexposed concrete surfaces shall be built of No. 2 Common Southern

Yellow Pine lumber or other material of equal qualifications, of sufficient thickness to be capable of sustaining the loads to be imposed thereon, dressed to uniformly smooth contact surfaces and so constructed as to be readily removable.

2. Metal forms shall be clean, unpainted and in excellent condition. Forms shall at all times be straight to provide members of the widths and depths required. Damaged or indented forms will not be acceptable.

3. Exterior-grade plywood panels, suitable for concrete forms, complying with DOC PS 1, and as follows: a. B-B (Concrete Form), Class 1, or better, mill oiled and edge sealed.

4. Rough-Formed Finished Concrete: Plywood, lumber, metal, or another approved material. Provide lumber dressed on at least two edges and one side for tight fit.

5. Forms for Cylindrical Columns, Pedestals, and Supports: Metal, glass-fiber-reinforced plastic, paper, or fiber tubes that will produce surfaces with gradual or abrupt irregularities not exceeding specified formwork surface class. Provide units with sufficient wall thickness to resist plastic concrete loads without detrimental deformation.

B. Release agent shall be non-residual, non-staining chemical release agent containing no kerosene, meeting Corps of Engineer Specification CE-204 requirements. Test for non-staining of concrete. Release agent shall not impair subsequent treatments of concrete surfaces.

C. Corner Chamfer: 3/4 inch polyvinyl chloride form strip equal to CSF type as manufactured by The Burke Company or wood chamfers.


D. Form ties for exposed concrete surfaces shall be manufactured to allow a positive breakback of no less than one inch (1") inside the concrete surface. Ties shall be equipped with a plastic cone of not less than five-eights inch (5/8") diameter and one inch (1") long which will completely cover the hole and prevent the leakage of any mortar. Form ties for unexposed surfaces shall be bolt rods or patented devices having a minimum tensile strength of three thousand (3,000) pounds when fully assembled. Ties shall be adjustable in length and free of lugs, cones, washers or other features which would leave a hole larger than seven-eights inch (7/8") in diameter, or depressions back of the exposed surface of the concrete. Ties shall be of such construction that, when the forms are removed, there will be no metal remaining within one inch (1") of the finished surface of the concrete. Ties shall be designed to resist lateral pressure of fresh concrete on forms and to prevent spalling of concrete on removal.

E. Vapor Retarder: 6 mil thick polyethylene film maximum moisture vapor permeance of 0.11 perms per ASTM E96.

F. Form Sealer: Synthex by Industrial Synthetics Corp., or Pre-Form by Nox-Crete Co.

G. Compressible Filler: Premolded Sponge Rubber and Cork, non-asphaltic, ASTM D1752, Type 1.

H. Waterstops: W. R. Grace Servicised/Durajoint Polyvinyl Water-Stops, Type No. 500 or Mastic Waterstop; Synko-Flex Preformed Plastic Waterstop of Synko-Flex Products Co., meeting requirements of FS SS-S-00210.

I. Construction Joint Form: The Burke Company "Keyed-Kold Joint" or equal.

J. Dovetail Anchor Slots: No. 305 galvanized steel 24 gage, by Hohmann and Bernard, Inc., or similar by Richmond or Burke.

K. Carton Forms: Trapezoidal configuration, Container Corporation of America, "Void-co" or equal, double wall, laminated using water-resistant adhesive and coated with paraffin containing 10% polyethylene, sizes as indicated, structurally sufficient to support weight of plastic concrete and other superimposed loads.

PART 3 - EXECUTION

3.1 MATERIAL STORAGE

A. Form material shall be delivered to the job site as far in advance of its use as is practical, and shall be carefully stacked clear of the ground in such a manner as to facilitate air drying.

3.2 INSTALLATION

A. All concrete members shall be adequately shored to safely support all loads and lateral pressures outlined in "Recommended Practice for Concrete Formwork" (ACI 347), without distortion, excessive deflection and other damage.


B. All necessary forms, centering, shores and moulds shall be built to conform to the shapes, lines and dimensions of the various members of concrete construction, as shown or scheduled on the Drawings. They shall be sufficiently tight and so substantially assembled as to prevent bulging or the leakage of mortar. All forms shall be assembled to facilitate their removal without damage to the concrete.

C. Provide temporary openings at the bottom of cast-in-place walls, columns and elsewhere as required to facilitate cleaning, drainage and inspection.

D. Construct forms with such care as to produce concrete surfaces which will not have unsightly or objectionable form marks in exposed (concrete) surfaces. Lumber once used as forms shall have all contact surfaces thoroughly cleaned before reuse.

3.3 FORM TIES

A. Form ties shall be employed in such places and at such intervals as to securely hold the forms in position during the placing of concrete, and to withstand the weight and pressure of the wet concrete. Ties of a type intended to be entirely removed shall be coated with release agent to safeguard against damaging the concrete during such removal. The use of wire ties will not be permitted.

3.4 WOOD STRIPS, BLOCKING, AND MOULDINGS

A. Place in the forms wood strips, blocking, moulding, nailers, etc., as required to produce the finished profiles and surfaces shown on the Drawings and to provide nailing for wood members or other features required to be attached to concrete surfaces in such manner. Coat wood strips, blocking, and mouldings with release agent.

3.5 CHAMFERS

A. All exposed external angles of concrete members shall have 3/4" chamfer strips placed in the forms to relieve the angles.

3.6 FORM COATING

A. Treat forms with release agent. Wipe excess off to leave surface of forms just oily to touch. Assure that release agent is not applied to reinforcing steel nor allowed to contact hardened concrete against which fresh concrete will be placed.

3.7 CONSTRUCTION JOINT

A. Except as otherwise specifically indicated on the Drawings, each concrete member shall be considered as a single unit of operation, and all concrete for the same shall be placed continuously in order that such unit will be monolithic in construction. Should construction joints prove to be absolutely unavoidable, the same shall be located in the middle third of spans.


B. Additional construction joints shall not be made under any circumstances without prior evaluation by the Landscape Architect. All construction joints must be either plumb or level. Provide appropriate keys and dowels in all construction joints, whether horizontal or vertical.

3.8 JOINT TREATMENT

A. Gasket, plug, tape or caulk joints, gaps and apertures in exposed concrete forms to positively prevent leakage. Form joints allowed only where indicated on shop drawings. Where possible, locate joints behind rustication. Apply joint treatment within 24 hours of scheduled pour.

3.9 CLEANING

A. Immediately before placing concrete, clean forms free of chips, sawdust, wire clippings and other debris.

3.10 INSERTS AND ACCESSORIES

A. Make provisions for required installation of accessories, bolts, hangers, sleeves, anchor or dovetail slots, and inserts cast in concrete.

B. Obtain templates or instructions for installation of items.

C. Place expansion joint fillers where detailed.

3.11 WALLS AND COLUMNS

A. Construct concrete walls and columns to the heights, thicknesses and profiles shown on the Drawings. Provide temporary openings at the bottom of all wall and column forms to facilitate cleaning and inspection. Close such openings securely, immediately in advance of pouring concrete in the wall forms. Provide appropriate keys and haunches in walls to receive edge of concrete floors.

3.12 WATERSPOTS

A. Provide continuous water stops in all joints at and below grade. Position waterstops accurately and support against displacement. Splice sections watertight in accordance with manufacturer's recommendations.

3.13 VAPOR RETARDER

A. Install vapor retarder under all concrete floor slabs on grade including terrace and courtyard and elsewhere as indicated. Smooth subgrade to prevent protrusions that may cause damage or rupture of films.


B. Lay film using widest practical widths. Lap edges of film not less than six inches (6") with top lap placed in the direction of the concrete flow. Cut film carefully around all pipes and wiring outlets and seal with pressure sensitive tape.

C.

3.14 BEAMS AND JOISTS

A. Concrete beams and joists shall be of sizes and shapes as shown.

B. Forms may be reconditioned and reused if they meet all other specification requirements.

3.15 SLABS

A. Form all openings in concrete slabs as required for the vertical passage of ducts, pipes, conduits, etc.

3.16 MISCELLANEOUS

A. Construct forms for any and all items of concrete work required for or in connection with the satisfactory completion of the project, whether each such item is specifically shown or referred to or not.

B. Do not sleeve any columns, beams, or slabs unless such sleeves are indicated on the Structural Drawings, or are previously approved on Shop Drawings by the Structural Engineer.

3.17 REMOVAL OF FORMS

A. Forms shall not be removed until the concrete has adequately hardened and set. Clamps or tie rods may be loosened twenty-four (24) hours after the concrete is placed; ties, except for a sufficient number to hold the forms in place, may be removed at that time. Throughwall ties that are to be wholly withdrawn shall be pulled toward the inside face of the respective wall or beam. Cutting ties back from the face of the concrete will not be permitted, and care shall be exercised to avoid spalling concrete surfaces.

B. Formwork for concrete members that support the weight of concrete shall remain in place until the concrete has reached 75% of its specified 28-day strength, unless otherwise specified or permitted. All shoring and reshoring shall comply with ACI 318, ACI 301, and ACI 347.

C. Under normal conditions, the minimum period of time to be allowed to elapse before forms may be removed shall be as indicated in ACI 347, but its observance shall not operate to relieve the Contractor of the responsibility for the safety of the structure. Deviations shall be submitted to and reviewed by the Landscape Architect prior to removal of forms.

D. When the temperature falls below forty degrees Fahrenheit (40 degrees F.), the forms shall remain in place an additional period equal to the time the structure has been exposed to such lower


temperature. Adequate measures shall be taken to protect the concrete from cold weather conditions.

E. Contractor shall pay for and have Testing Laboratory make additional test cylinders to confirm strength requirements for early form recovery.

F. Adequately reshore members subject to additional loads during construction to support both member and construction loads in a manner that will protect member from damage. In multistory construction, extend shoring or reshoring over a sufficient number of stories to distribute loads in such a manner that no floor or member will be excessively loaded or will induce tensile stress in concrete members without sufficient steel reinforcement. Contractor shall pay for and have Testing Laboratory make additional test cylinders to confirm strength requirements for early form recovery. Reshore before removing original shoring. Reshoring shall remain in place until members have attained required compressive strength, or as long as required to support additional construction loads.

G. When reshoring is required, the operations shall be planned in advance and shall be the responsibility of the Contractor.

H. Reshoring shall remain in place until members have attained required compressive strength, or as long as required to support additional construction loads.

3.18 FORM REUSAGE

A. Thoroughly clean surfaces of forms and remove nails before reuse. Do not reuse damaged or worn forms. Inspect forms and re-tighten rustications.

B. Recoat contact surfaces of forms and liners with a light spray coat of release agent. Do not apply until after joint treatment is complete.



SECTION 32 13 20 – CONCRETE REINFORCEMENT FOR LANDSCAPE

PART 1 - GENERAL

1.1 SCOPE

A. The extent of concrete reinforcement is shown on the drawings and in schedules. The work includes fabrication and placement of reinforcement for the cast-in-place concrete, including bars, ties and supports.


A. Section 321300 – Cast In Place Concrete for Landscape

B. Section 321310 – Concrete Forming for Landscape


A. Comply with requirements of the following codes and standards, except as herein modified: 1. American Concrete Institute, ACI 315 "Manual of Standard Practice for Detailing

Reinforced Concrete Structures." 2. American Welding Society, AWS, D 12.1 "Recommended Practices for Welding

Reinforcing Steel, Metal Inserts and Connection in Reinforced Concrete Construction. 3. Concrete Reinforcing Steel Institute, "Manual of Standard Practice."

1.4 SUBMITTALS

A. Submit to the Project Manager in conformance with the requirements of the CONDITIONS OF THE CONTRACT.

B. For information only, submit two (2) copies of steel producer's certificates of mill tests for reinforcing steel.

C. Submit shop drawings for fabrication, bending, and placement of concrete reinforcement. Comply with ACI 315 "Manual of Standard Practice for Detailing Reinforced Concrete Structures." Show bar schedules, stirrup spacing, diagrams of bent bars, arrangements and assemblies, as required for the fabrication and placement of concrete reinforcement.

1.5 PRODUCT DELIVERY, HANDLING, AND STORAGE

A. Deliver reinforcement to the project site bundled, tagged, and marked. Use metal tags indicating bar size, lengths, and other information corresponding to markings shown on placement diagrams.


B. Store concrete reinforcement materials at the site to prevent damage and accumulation of dirt or excessive rust.

PART 2 - PRODUCTS

2.1 MATERIALS

A. Reinforcing Bars: ASTM of grade shown on drawings with minimum yield strength of 60,000 psi.

B. Supports for Reinforcement: Bolsters, chairs, spacers, and other devices for spacing, supporting, and fastening reinforcement in place. 1. Use wire bar type supports or plastic-type chairs, complying with P57-66, unless otherwise

indicated. Do not use wood, brick, and other unacceptable materials. 2. For exposed-to-view concrete surfaces, where legs of support are in contact with forms,

provide supports with legs which are plastic or plastic-tipped metal.

2.2 FABRICATION

A. General: Shop-fabricate reinforcing bars to conform to required shapes and dimensions with fabrication tolerances complying with ACI 315. In case of fabricating errors, do not re-bend or straighten reinforcement in a manner that will injure or weaken the material.

B. Unacceptable Materials: Reinforcement with any of the following defects will not be permitted in the work: 1. B Bar lengths, depths and bends exceeding specified tolerances. 2. Bends or kinks not indicated on drawings or final shop drawings. 3. Bars with reduced cross section due to excessive rusting or other cause.

PART 3 - EXECUTION

3.1 INSTALLATION

A. Comply with the specified codes and standards and the Concrete Reinforcing Steel Institute recommended practice for "Placing Reinforcing Bars" for details and methods of reinforcement placement and supports and as herein specified.

B. Clean reinforcement to remove loose rust and mill scale, earth, ice, and other materials which reduce or destroy bond with concrete.

C. Position, support, and secure reinforcement against displacement by using metal chairs, runners, bolsters, spacers, and hangers.

D. Place reinforcement to obtain the minimum coverages for concrete protection. Arrange, space, and securely tie bars and bar supports together with No. 16 gauge wire to hold reinforcement


accurately in position during concrete placement operations. Set wire ties so that ends are directed away from exposed concrete surfaces.

E. Provide sufficient numbers of supports and of strength to carry reinforcement. Do not place reinforcing bars more than two (2") inches beyond the last leg of any continuous bar support. Do not use supports as bases for concrete conveying equipment and similar construction loads.

F. Splices: Provide standard reinforcement splices by lapping ends, placing in contact, and tightly wire tying. Comply with requirements of ACI 318 for minimum lap of spliced bars.



SECTION 32 13 50 – CONCRETE FINISHING FOR LANDSCAPE

PART 1 - GENERAL

1.1 WORK INCLUDED

A. Perform all work required to complete the Concrete Finishing indicated by the Contract Documents and furnish all supplementary items necessary for its proper execution.

1.2 RELATED DOCUMENTS

A. Drawings and general provisions of the contract, including General and Supplementary Conditions and Division 1 specification sections, apply to work of this section.


A. Work described in this Section, unless otherwise noted on the Drawings, or herein specified, shall be governed by the latest editions of the following codes or specifications. 1. ACI 301, "Specifications for Structural Concrete for Buildings". 2. ACI 305, "Hot Weather Concreting". 3. ACI 306, "Cold Weather Concreting". 4. ACI 311, "ACI Manual of Concrete Inspection". 5. ACI 318, "Building Code Requirements for Reinforced Concrete". 6. ASTM C309, Standard Specifications for Liquid Membrane-Forming Compounds for

Curing Concrete.

1.4 PROJECT DATA

A. Submit copies of manufacturer’s literature for all products.

1.5 FINISHING TOLERANCES

A. Finishes with Class A tolerances shall be true planes within 1/8 inch in 10 feet, as determined by a 10 foot straightedge placed anywhere on the slab in any direction. Class A tolerance is required on all interior slabs having a troweled or floated finish.

B. Finishes with Class B tolerances shall be true planes within 1/4 inch in 10 feet as determined by a 10 foot straightedge placed anywhere on the slab in any direction. Class B tolerance is required on all steps and horizontal wearing surfaces not requiring Class A tolerance.

C. Finishes with Class C tolerances shall be true planes within 1/4 inch in 2 feet as determined by a 2 foot straightedge placed anywhere on the slab in any direction. Class C tolerance is required at depressed slabs covered by another finish and surfaces to receive a heavy broom finish.


PART 2 - PRODUCTS

2.1 MATERIALS

A. Curing Compound/Sealer: ASTM C309, Type 1, Class B, 18 to 22 percent solids, clear Acrylic curing/sealing compound: 1. WR Meadows - “Vocomp-20" 2. L&M Construction Chemicals - "Dress & Seal WB” 3. Sonneborn - "Kure-N-Seal W"

B. Liquid Hardener: Curing, hardening and dust-proofing compound: 1. L&M Construction Chemicals - "Chem Hard". 2. Sonneborn - "Sonosil".

C. Admixtures for Color-Conditioned Concrete: 1. L.M. Scofield CHROMIX Admixtures (or approved equal)

PART 3 - EXECUTION

3.1 FORMED SURFACES

A. As-Cast Rough Form Finish: Rough or board form finish surfaces shall be reasonable true to line and plane with no specific requirements for selected facing materials. Defects shall be patched and fins exceeding 1/4" in height shall be rubbed down with wooden blocks. Otherwise, surfaces shall be left with the texture imparted by the forms.

B. As-Cast Smooth Form Finish: Form facing materials shall produce a smooth, hard, uniform texture on the concrete. It may be plywood, tempered concrete-form-grade hardboard, metal, plastic, paper or other material capable of producing the desired finish. The arrangement of the facing material shall be orderly and symmetrical, with the number of seams kept to a practical minimum. It shall be supported by studs or other backing capable of preventing excessive deflection. Material with raised grain, torn surfaces, worn edges, patches, dents or other defects which will impair the texture of the concrete surface shall not be used. Tie holes and defects shall be patched. All fins shall be completely removed.

3.2 REPAIR OF DEFECTIVE AREAS

A. All honeycombed and other defective concrete shall be removed down to sound concrete. If chipping is necessary the edges shall be perpendicular to the surface or slightly undercut. No feather edges will be permitted.

B. The area to be patched and an area at least 6 inches wide surrounding it shall be dampened to prevent absorption of water from the patching mortar. A bonding grout shall be prepared, using


a mix of approximately one part cement to one part fine sand passing a No. 30 mesh sieve, mixed to the consistency of thick cream, and then well brushed into the surface.

C. The patching mixture shall be made of the same materials and of approximately the same proportions as used for the concrete, except that the course aggregate shall be omitted and the mortar shall consist of not more than one part cement to 2 1/2 parts sand by damp loose volume.

D. White Portland Cement shall be substituted for a part of the gray Portland Cement on exposed concrete in order to produce a color matching the color of the surrounding concrete, as determined by a trial patch. The quantity of mixing water shall be no more than necessary for handling and placing.

E. The patching mortar shall be mixed in advance and allowed to stand with frequent manipulation with a trowel, without addition of water, until it has reached the stiffest consistency that will permit placing.

F. After surface water has evaporated from the area to be patched, the bond coat shall be well brushed into the surface. When the bond coat begins to lose the water sheen, the premixed patching mortar shall be applied. The mortar shall be thoroughly consolidated into place and struck off so as to leave the patch slightly higher than the surrounding surface.

G. To permit initial shrinkage, it shall be left undisturbed for at least one hour before being finally finished. The patched area shall be kept damp for 7 days. Metal tools shall not be used in finishing a patch in a formed wall which will be exposed.

3.3 SLAB SURFACES

A. Troweled Finish: a The surface shall be finished first with impact power floats, then with power trowels, and finally with hand trowels. The first troweling after power floating shall be done by a power trowel and shall produce a smooth surface with is relatively free of defects but which may still contain some trowel marks.

1. Additional trowelings shall be done by hand after the surface has hardened sufficiently. The final troweling shall be done when a ringing sound is produced as the trowel is moved over the surface. The surface shall be thoroughly consolidated by the hand troweling operations.

2. The finished surface shall be free of any trowel marks and shall be uniform in texture and appearance and shall be plane to a Class A tolerance, except tolerance for concrete on metal deck shall be Class B. On surfaces intended to support floor coverings, any defects of sufficient magnitude to show through the floor covering shall be removed by grinding.

B. Broom Finish:

C. Dry Shake Surface: 1. Surface shall first be given a float finish and then approximately two-thirds of the blended

material for required coverage shall be applied to the surface by a method that insures even coverage without segregation. Floating shall begin immediately after application of the first "dry shake".


2. After material has been embedded by floating, the remainder of the blended material shall be applied to the surface at right angles to the previous application. The second application shall be heavier in any areas not sufficiently covered by the first application. A second floating shall follow immediately.

3. The finished surface shall be free of any trowel marks and shall be uniform in texture and appearance and shall be plane to a Class A tolerance, except tolerance for concrete on metal deck shall be Class B. On surfaces intended to support floor coverings, any defects of sufficient magnitude to show through the floor covering shall be removed by grinding.

D. Nonslip Finish: Surface shall be given a "dry shake" application of crushed, ceramically bonded aluminum oxide abrasive particles at a rate of not less than 25 lbs. per 100 sq. ft.

E. Liquid Hardener: Apply a uniform coat of liquid hardener over finished slab in accordance with manufacturer's recommendations.

F. Integral Colored Concrete: 1. Per manufacturer’s recommendations

3.4 SCHEDULE OF FINISHES

A. As-Cast Rough Form Finish: All concrete surfaces below grade.

B. As-Cast Smooth Form Finish: All exterior concrete surfaces exposed to view.

C. Troweled Finish: Floor surfaces scheduled as exposed or to receive floor covering.

D. Light Broom Finish: Exterior horizontal surfaces.

E. Nonslip Finish: Exterior steps and ramps.

F. Rock Salt Finish: N/A



SECTION 32 13 60 – CONCRETE CURING FOR LANDSCAPE

PART 1 - GENERAL


A. Initial and final curing of horizontal and vertical concrete surfaces.


A. Section 321300 – Cast In Place Concrete for Landscape

B. Section 321350 – Concrete Finishing for Landscape

1.3 REFERENCES

A. ACI 301 - Structural Concrete for Buildings.

B. ACI 302 - Recommended Practice for Concrete Floor and Slab Construction.

C. ACI 308 - Standard Practice for Curing Concrete.

D. ASTM C171 - Sheet Materials for Curing Concrete.

E. ASTM C309 - Liquid Membrane-Forming Compounds for Curing Concrete.

F. ASTM D2103 - Polyethylene Film and Sheeting.

1.4 SUBMITTALS

A. Submit under provisions of Section 01300.

B. Data: Provide data on curing compounds, product characteristics, performance, compatibility with Architectural finishes and limitations.

C. Manufacturer's Installation Instructions: Indicate criteria for preparation and application.


A. Perform Work in accordance with ACI 301, and ACI 308.

B. Maintain one copy of both documents on site.


1.6 DELIVERY, HANDLING AND STORAGE

A. Deliver, store, protect and handle products under provisions of Section 01600.

B. Deliver curing materials in manufacturer's packaging including application instructions.

PART 2 - PRODUCTS

2.1 MATERIALS

A. Membrane Curing Compound Type A: ASTM C309, Type 1, Class B, 18 to 22 percent solids. 1. Curecrete Chemical Company "Ashford Formula". 2. L & M Construction Chemicals, "Dress & Seal WB”. 3. Sonneborn, "Kure-N-Seal W”. 4. Approved Equal

B. Absorptive Mats Type B: ASTM C171, cotton fabric or burlap-polyethylene, minimum 8-oz/sq.yd. bonded to prevent separation during handling and placing; The Burke Company, "Burlene" or approved equal.

C. Waterproof Paper Type C: ASTM C171, treated to prevent separation during handling and placing, standard color; Type I-SK-30. Do not use where floor surface material is required to breathe. 1. The Burke company, "Orange Label". 2. St. Regis, "Orange Label". 3. Approved Equal

D. Polyethylene Film Type D: ASTM C171, 6-mil thick, opaque color. Do not use where floor surface material is required to breathe.

E. Water: Potable and not detrimental to concrete.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Verify substrate conditions.

B. The Verify that substrate surfaces are ready to be cured.

3.2 EXECUTION – HORIZONTAL SURFACES

A. Cure floor surfaces in accordance with ACI 308. Use either of the water curing, or applied sealing material procedures listed below.


B. Maintain curing procedure for a minimum of 7-days after concrete placement, or until the concrete has attained 75-percent of its specified compressive strength, whichever is shorter.

C. Cure all mass concrete; mat foundations, vaults, special foundations, etc., with a water curing method only.

D. Water Curing Procedures:

E. Applied Sealing Material Procedures:

F. Liquid Hardener: Exposed concrete slabs to receive a liquid hardener shall be sealed by applying one coat of liquid hardener and an additional coat of liquid hardener compound near completion of project. Apply compound to surfaces in accordance to manufacturer's recommendations.

G. Curing Paper Method: Slabs to receive waterproofing or toppings shall be cured with curing paper only. Begin curing concrete as soon as concrete surfaces begin to take initial set after finishing. Spread curing paper over surfaces, lapping ends and sides a minimum of 4 inches, and maintain in place by use of suitable weights for at least 7-days, then remove.

3.3 EXECUTION – VERTICAL SURFACES

A. Cure surfaces in accordance with ACI 308. Use one of the curing methods listed below.

B. Loosen vertical formwork as soon as concrete has hardened sufficiently to do so. Apply water between new concrete and the loosened forms, saturating the forming materials. Maintain loosened forms in place for a minimum of 48-hours, and resume curing as specified below for a total curing duration of 7-days or until the concrete has attained 70-percent of its specified compressive strength, whichever is shorter.

C. Spraying: Spray water over surfaces and maintain wet for 7-days.

D. Membrane Curing Compound: Apply curing compound in accordance with manufacturer's instructions in one coat.

3.4 PROTECTION OF FINISHED WORK

A. Protect finished Work under provisions of other sections.

B. Do not permit traffic over unprotected floor surface.



SECTION 32 13 70 – JOINT SEALANTS FOR LANDSCAPE

PART 1 - GENERAL

1.1 DESCRIPTION

A. Section covers all sealant and caulking materials and their application, wherever required for complete installation of building materials or systems.


A. Section 320200 – Concrete Paving for Landscape

B. Section 321300 – Cast In Place Concrete for Landscape

1.3 QUALITY CONTROL

A. Installer Qualifications: An experienced installer who has specialized in installing joint sealants similar in material, design, and extent to those indicated for this Project and whose work has resulted in joint-sealant installations with a record of successful in-service performance.

B. Source Limitations: Obtain each type of joint sealant through one source from a single manufacturer.

1.4 SUBMITTALS

A. Product Data: Manufacturer’s product data sheets.

1.5 PRODUCT CONDITIONS

A. Environmental Limitations: 1. Do not proceed with installation of joint sealants under following conditions:

a. When ambient and substrate temperature conditions are outside limits permitted by joint sealant manufacturer or are below 4.4 °C (40 °F).

b. When joint substrates are wet.

B. Joint-Width Conditions 1. Do not proceed with installation of joint sealants where joint widths are less than those

allowed by joint sealant manufacturer for applications indicated.

C. Joint-Substrate Conditions 1. Do not proceed with installation of joint sealants until contaminants capable of interfering

with adhesion are removed from joint substrates.


1.6 DELIVERY, HANDLING AND STORAGE

A. Deliver materials in manufacturers' original unopened containers, with brand names, date of manufacture, shelf life, and material designation clearly marked thereon.

B. Carefully handle and store to prevent inclusion of foreign materials.

C. Do not subject to sustained temperatures exceeding 5 °C (90 °F) or less than 32 °C (40 °F).

1.7 DEFINITIONS

A. Definitions of terms in accordance with ASTM C717 and as specified.

B. Back-up Rod: A type of sealant backing.

C. Bond Breakers: A type of sealant backing.

1.8 WARRANTY

A. General Warranty: Special warranty specified in this Article shall not deprive Government of other rights Government may have under other provisions of Contract Documents and shall be in addition to, and run concurrent with, other warranties made by Contractor under requirements of Contract Documents.

1.9 APPLICABLE PUBLICATIONS

A. Publications listed below form a part of this specification to extent referenced. Publications are referenced in text by basic designation only.

B. American Society for Testing and Materials (ASTM): 1. C509-00 Elastomeric Cellular Preformed Gasket and Sealing Material. 2. C612-00 Mineral Fiber Block and Board Thermal Insulation. 3. C717-03 Standard Terminology of Building Seals and Sealants. 4. C834-00 Latex Sealants. 5. C919-02. Use of Sealants in Acoustical Applications. 6. C920-02 Elastomeric Joint Sealants. 7. C1021-01 Laboratories Engaged in Testing of Building Sealants 8. C1193-00 Standard Guide for Use of Joint Sealants. 9. C1330-02 Specification for Cylindrical Sealant Backing for Use with Cold Liquid

Applied Sealants. 10. D1056-00 Specification for Flexible Cellular Materials—Sponge or Expanded Rubber. 11. E84-03 Surface Burning Characteristics of Building Materials.

C. Sealant, Waterproofing and Restoration Institute (SWRI). 1. The Professionals’ Guide


PART 2 - PRODUCTS

2.1 SEALANTS

A. Source S-1: 1. ASTM C920, polyurethane or polysulfide. 2. Type M. 3. Class 25. 4. Grade NS. 5. Shore A hardness of 20-40

B. S-6: 1. ASTM C920, silicone, neutral cure. 2. Type S. 3. Class: Joint movement range of plus 100 percent to minus 50 percent. 4. Grade NS. 5. Shore A hardness of 15-20 6. Minimum elongation of 1200 percent.

C. S-9: 1. ASTM ASTM C920 silicone. 2. Type S. 3. Class 25. 4. Grade NS. 5. Shore A hardness of 25-30. 6. Non-yellowing, mildew resistant.

2.2 CAULKING COMPOUND

A. General: C-1: ASTM C834, acrylic latex.

B. C-2: One component acoustical caulking, non-drying, non-hardening, synthetic rubber.

2.3 COLOR

A. Sealants used with exposed masonry shall match color of mortar joints.

B. Sealants used with unpainted concrete shall match color of adjacent concrete.

C. Color of sealants for other locations shall be light gray or aluminum, unless specified otherwise.

D. Caulking shall be light gray or white, unless specified otherwise.


2.4 JOINT SEALANT BACKING

A. General: Provide sealant backings of material and type that are nonstaining; are compatible with joint substrates, sealants, primers, and other joint fillers; and are approved for applications indicated by sealant manufacturer based on field experience and laboratory testing.

B. Cylindrical Sealant Backings: ASTM C1330, of type indicated below and of size and density to control sealant depth and otherwise contribute to producing optimum sealant performance: 1. Type C: Closed-cell material with a surface skin.

C. Elastomeric Tubing Sealant Backings: Neoprene, butyl, EPDM, or silicone tubing complying with ASTM D1056, nonabsorbent to water and gas, and capable of remaining resilient at temperatures down to minus 32 °C (minus 26 °F). Provide products with low compression set and of size and shape to provide a secondary seal, to control sealant depth, and otherwise contribute to optimum sealant performance.

D. Bond-Breaker Tape: Polyethylene tape or other plastic tape recommended by sealant manufacturer for preventing sealant from adhering to rigid, inflexible joint-filler materials or joint surfaces at back of joint where such adhesion would result in sealant failure. Provide self-adhesive tape where applicable.

2.5 FILLER

A. Mineral fiber board: ASTM C612, Class 1.

B. Thickness same as joint width.

C. Depth to fill void completely behind back-up rod.

2.6 PRIMER

A. As recommended by manufacturer of caulking or sealant material.

B. Stain free type.

2.7 CLEANERS FOR NON-POROUS SURFACES

A. Chemical cleaners acceptable to manufacturer of sealants and sealant backing material, free of oily residues and other substances capable of staining or harming joint substrates and adjacent non-porous surfaces and formulated to promote adhesion of sealant and substrates.


PART 3 - EXECUTION

3.1 INSPECTION

A. Inspect substrate surface for bond breaker contamination and unsound materials at adherent faces of sealant.

B. Coordinate for repair and resolution of unsound substrate materials.

C. Inspect for uniform joint widths and that dimensions are within tolerance established by sealant manufacturer.

3.2 PREPARATIONS

A. Prepare joints in accordance with manufacturer's instructions and SWRI.

B. Clean surfaces of joint to receive caulking or sealants leaving joint dry to the touch, free from frost, moisture, grease, oil, wax, lacquer paint, or other foreign matter that would tend to destroy or impair adhesion. 1. Clean porous joint substrate surfaces by brushing, grinding, blast cleaning, mechanical

abrading, or a combination of these methods to produce a clean, sound substrate capable of developing optimum bond with joint sealants.

2. Remove loose particles remaining from above cleaning operations by vacuuming or blowing out joints with oil-free compressed air. Porous joint surfaces include the following: a. Concrete b. Masonry c. Unglazed surfaces of ceramic tile

3. Remove laitance and form-release agents from concrete. 4. Clean nonporous surfaces with chemical cleaners or other means that do not stain, harm

substrates, or leave residues capable of interfering with adhesion of joint sealants. a. Metal b. Glass c. Porcelain enamel d. Glazed surfaces of ceramic tile

C. Do not cut or damage joint edges.

D. masking tape to face of surfaces adjacent to joints before applying primers, caulking, or sealing compounds. 1. Do not leave gaps between ends of sealant backings. 2. Do not stretch, twist, puncture, or tear sealant backings. 3. Remove absorbent sealant backings that have become wet before sealant application and

replace them with dry materials.

E. Apply primer to sides of joints wherever required by compound manufacturer's printer instructions. 1. Apply primer prior to installation of back-up rod or bond breaker tape. 2. Use brush or other approved means that will reach all parts of joints.


F. Take all necessary steps to prevent three sided adhesion of sealants.

3.3 BACKING INSTALLATION

A. Install back-up material, to form joints enclosed on three sides as required for specified depth of sealant.

B. Where deep joints occur, install filler to fill space behind the back-up rod and position the rod at proper depth.

C. Cut fillers installed by others to proper depth for installation of back-up rod and sealants.

D. Install back-up rod, without puncturing the material, to a uniform depth, within plus or minus 3 mm (1/8 inch) for sealant depths specified.

E. Where space for back-up rod does not exist, install bond breaker tape strip at bottom (or back) of joint so sealant bonds only to two opposing surfaces.

F. Take all necessary steps to prevent three sided adhesion of sealants.

3.4 SEALANT DEPTHS AND GEOMETRY

A. At widths up to 6 mm (1/4 inch), sealant depth equal to width.

B. At widths over 6 mm (1/4 inch), sealant depth 1/2 of width up to 13 mm (1/2 inch) maximum depth at center of joint with sealant thickness at center of joint approximately 1/2 of depth at adhesion surface.

3.5 INSTALLATION

A. General: 1. Apply sealants and caulking only when ambient temperature is between 5 degrees C and

38 degrees C (40 and 100 degrees F). 2. Do not use polysulfide base sealants where sealant may be exposed to fumes from

bituminous materials, or where water vapor in continuous contact with cementitious materials may be present.

3. Do not use sealant type listed by manufacture as not suitable for use in locations specified. 4. Apply caulking and sealing compound in accordance with manufacturer's printer

instructions. 5. Avoid dropping or smearing compound on adjacent surfaces. 6. Fill joints solidly with compound and finish compound smooth. 7. Tool joints to concave surface unless shown or specified otherwise. 8. Finish paving or floor joints flush unless joint is otherwise detailed. 9. Apply compounds with nozzle size to fit joint width. 10. Test sealants for compatibility with each other and substrate. Use only compatible sealant.

B. For application of sealants, follow requirements of ASTM C1193 unless specified otherwise.


3.6 CLEANING

A. Fresh compound accidentally smeared on adjoining surfaces: Scrape off immediately and rub clean with a solvent as recommended by the caulking or sealant manufacturer.

B. After filling and finishing joints, remove masking tape.

C. Leave adjacent surfaces in a clean and unstained condition.

3.7 LOCATIONS

A. Exterior Joints, Horizontal and Vertical: 1. to Metal: Type S-1 2. Metal to Masonry or Stone: Type S-1 3. Masonry to Masonry or Stone: Type S-1 4. Stone to Stone: Type S-1 5. Cast Stone to Cast Stone: Type S-1 6. Threshold Setting Bed: Type S-1



SECTION 32 18 40 - ENGINEERED WOOD FIBER SAFETY SURFACING

PART 1 – GENERAL

1.01 Description:

Furnish all labor, equipment and materials to install (or blow in) the Engineered Wood Safety Surfacing as shown on the plans or as specified.

1.02 Related Sections: (use as applicable) Section 02100 - Site Preparation

Section 02200 - Earthwork

Section 02860 - Playground Equipment

1.03 Quality Assurance:

A. Manufacturer’s Instructions: Strictly adhere to the manufacturer’s instructions regarding product handling, sub-base preparation, surfacing system application and all other aspects of the surfacing installation.

B. The contractor who is installing the surfacing shall be experienced in the installation of engineered wood safety surfacing and shall have personnel, facilities and equipment that are adequate for the specified work. The contractor shall also submit evidence of the recent installation of the surfacing materials.

C. Special Requirements:

1. The engineered wood safety surface products shall meet or exceed the current

Consumer Products Safety Commission 200-g guideline and ASTM F1292-01. The Contractor shall submit two copies (2) of the manufacturer's independent test results showing conformance. Reports shall be for the exact thickness that is to be installed.

2. Warranties: Provide at least five-year manufacturer’s materials warranty for all safety surfacing systems materials.

3. Disabled Accessibility (ADA): Provide testing date showing products meet the requirements of the most current Americans with Disabilities Act.

1.04 Submittals:

A. Not less than 6 days prior to the intended use of the materials, the contractor shall submit the full documentation of the specific product literature, illustrating it’s compliance with this section.


B. Submit the list of 5 recent installations of the engineered wood safety surfacing.

C. The contractor shall submit to the Owners Authorized Representative, for approval, material samples that are to be used and the proposed methods of application and procedures that are to be followed.

D. Submit the test results for impact attenuation in accordance with ASTM F1292-01.

PART 2 - PRODUCTS

2.01 General:

A. The engineered wood safety surfacing shall have fall or shock attenuation not to exceed 200g and 1000 HIC for an eight foot (8') height as per ASTM F1292.

B. The engineered wood safety surfacing shall be constructed of random sized manufactured wood fiber material, specifically designed to be accessible play area safety surfacing materials.

C. The manufacturer supplied Geo-textile Fabric, in sufficient quantity to allow for at least 3” of overlap at all seams.

D. The engineered wood safety surfacing system is to be free-draining and positively flow to the sub-surface drainage system as specified on plans and specification 02620 sub-surface drainage.

2.02 Recommended Manufacturers:

A. “Fibar System" – as manufactured by Robert Godfrey, Ltd.

B. “Wood Carpet" – as manufactured by Zeager Brothers, Inc. Innovative products from renewable resources.

C. “Sof’ Fall – as manufactured by Sof’ Fall, Inc.

D. “GT-Impax” – as manufactured by GameTime, Inc. 2.03 Wear mats:

All wear mats shall be per manufacturer’s specifications and recommendations. They shall also be made from recycled materials to the greatest extent possible. Provide (1) 3’ x 4’ x 2” mat at each slide exit, and (1) 4’ x 6’ x 2” mat at each swing seat. Bury mat halfway down into the safety surfacing material with 6” of cover. Install mats per manufacturer’s specifications.

2.04 Drainage matrix:

Drainage is required and all drainage products shall be per manufacturer’s recommendations.

la terra studio, inc. 22nd May 2019 DeBusk Park – KidsQuest Improvements 18040 Issue for Pricing Mesquite, Texas PART 3 - EXECUTION

3.01 Inspection: Examine the areas and conditions under which the work of this section will be completed. Do not proceed until conditions detrimental to the proper and timely completion of the work have been satisfactorily corrected and thus meet the manufacturer’s instructions. Beginning of work constitutes the acceptance of site conditions as satisfactory.

3.02 Sub-Surface Drainage Installation: Install sub-surface drainage per specification “02620 Sub-Surface Drainage.”

3.03 Surfacing Installation: The contractor shall strictly conform to the manufacturer’s instructions using all appropriate accessories as required. Install surfacing to the compacted depth specified on the Drawings, allowing for settling and compaction of approximately 25%. Depth should be 12” after settled and compacted. Install surfacing carefully to avoid contamination of wood fiber material with dirt, gravel or other materials.

3.04 Wear Mat Installation: Coordinate with the installation of the engineered wood safety surfacing and set the mat depth to approximately six inches below finished grade.

3.05 Cleanup: Sweep and/or rake wood materials away from all paved surfaces and remove it from all surrounding turf or planted areas.

3.06 Guarantees: The contractor shall further guarantee that all work performed under this section shall be free from defects in materials and workmanship. Upon written notice from the Owner to the Contractor, within one year of Physical Completion of the project, the Contractor shall, at their own expense, make all necessary repairs or replacements of any defective work. During this period of guarantee, the Owner shall perform normal maintenance, per the manufacturer’s recommendations.

END OF SECTION


SECTION 32 84 00 – PLANTING IRRIGATION

PART 1 - GENERAL

1.1 SUMMARY

A. Provide complete landscape irrigation system as shown on drawings as described herein.


A. Planting – Section 32 90 00


A. Installer 1. An irrigator licensed in the State of Texas with a minimum five (5) years continuous

experience installing systems of this size and complexity must supervise system installation.

2. If requested, submit a list of references including Owner, Landscape Architect (if applicable), date of installation and approximate installation cost.

B. Testing: Perform required testing under observations of Architect. Give forty-eight hour notice that such tests are to be conducted.

C. Assembly Procedures: Do not alter design hydraulics by installing additional tees or elbows unless approved by Architect.

D. Install system per all State of Texas laws and rules and all local codes and ordinances. These items are made apart of these specifications whether shown or not. State of Texas laws and rules and all local codes and ordinances take precedence over the plans and specifications.

E. Furnish certificates showing which materials have been manufactured within a five Hundred (500) mile radius of the site per LEED requirement MRc5.1 – Regional Materials.

1.4 REFERENCE STANDARDS

A. American Standard for Testing and Materials (ASTM) - Latest edition. 1. D2241 Poly (Vinly Chloride) (PVC) Plastic Pipe (SDR-PR) 2. D2464 Poly (Vinyl Chloride) (PVC) Plastic Pipe Fittings, Thread, Schedule 80 3. D2466 Poly (Vinyl Chloride) (PVC) Plastic Pipe Fittings, Schedule 40 4. D2467 Poly (Vinyl Chloride) (PVC) Plastic Pipe Fittings, Socket Type, Schedule 80 5. D2564 Solvent Cements for Poly (Vinyl Chloride) (PVC) Plastic Pipe and Fittings 6. D2287 Flexible Poly Vinyl Chloride (PVC) Plastic Pipe 7. F656 Poly Vinyl Chloride (PVC) Solvent Weld Primer


8. D2855 Making Solvent - Cemented Joints with Poly (Vinyl Chloride) (PVC) Pipe and Fittings

1.5 SUBMITTALS

A. Procedure: Comply with Division I Specifications requirements.

B. Product Data: Submit copies of equipment manufacturer's specifications and literature for all specified materials.

C. Project Record Documents

PART 2 - PRODUCTS

2.1 DEFINITIONS

A. Mainline: Piping from water source to operating valves. Hydrant lines and lines supplying quick coupling valves (QCV) are considered mainlines.

B. Lateral Piping: Piping from operating valves to sprinkler heads.

2.2 POLYVINYL CHLORIDE PIPE

A. Chloride Pipe (PVC): Manufactured in accordance with standards noted. 1. PVC Mainline and Lateral Piping: Class 200, SDR-21. Pipe shall be permanently marked

with ASTM standard number and the NSF (National Sanitation Foundation) seal. Provide pipe free of blisters, internal striations, cracks, or other defects.

2. PVC Pipe Fittings: Schedule 40. a. Solvents: Weld-On #795 by IPS Corporation. b. Primer: Weld-On #P-68 by IPS Corporation.

B. Pipe Connection Materials: 1. Solvent Weld Fittings: 2. Threaded Fittings: PVC to PVC, or PVC to copper, use Teflon tape. 3. Flexible PVC: Use only solvents made for flexible pipe.

a. Solvents: Weld-On #795 by IPS Corporation. b. Primer: Weld-On #P-68 by IPS Corporation. c. Do not use spiral barbed fittings with flexible PVC. Refer to drawing details.

2.3 COPPER PIPE MATERIALS

A. Pipe: Type “M”, hard, straight lengths of standard size and dimension.

B. Fittings: Cast brass of wrought copper, sweat-solder type.


C. Pipe Conneciton Materials: Threaded fitting, copper to copper, copper to brass, and copper to PVC: Teflon tape.

2.4 DRIP IRRIGATION

A. Control zone values to have pressure regulator and filter per manufacturer’s recommendations. 1. Filter to be 200 mesh and installed in a “Y” body. 2. Pressure Regulator and electric valve shall be “low flow” models made specifically for drip

irrigation.

B. Inline Emitter Tubing: Tubing to have factory installed, pressure compensating, inline emitters installed every 12” on center. Flow rate to be .90 gallons per hour.

C. Compression fittings 1. Provide leak free compression connections. 2. Use flush cap to close off line. 3. ABS materials with Buna-N rubber seals. 4. Air Relief Valves: Made of quality rust-proof plastic material with a maximum pressure

rating of 140 psi. 5. Flush Valves: Made of quality rust-proof plastic material with a maximum pressure rating

of 57 psi. 6. Soil Staples: 12-gauge galvanized steel pre-bent rod staple. Stake to be corrosion-

resistance with notches.

2.5 MISCELLANEOUS MATERIALS

A. Wire: Type UF with minimum 4/64 inches insulation, Underwriters Laboratory (UL) approved for direct underground burial in National Electrical Code Class II Circuit (30 volts AC or less). Size according to controller manufacturer's recommendations and consideration of length of run, but no smaller than #14.

B. Nipples: 1. Spray Pop-Up heads: Flexible PVC manufactured from virgin PVC material and tested at

200 psi; static pressure for two hours with a quick burst rating of 400 psi min. manufactured by Agrifim (NDS).

2. Rotary heads: Schedule 80 PVC, Type 1, Grade 1, plus Lasco swing joint assemblies with ‘O-Ring’ fittings.

C. Pea Gravel: Washed native aggregate graded 3/4 to 1-1/2 inches.

D. Wire Connectors: Waterproof splice kit connectors. Type DBY by 3M or King One Step sealant filled connector.

E. Quick Coupler Valves and Keys: 1. Valves: One inch (1”) bronze bodied valves with a rubber seat and purple vinyl cover. 2. Keys: Bronze construction with one inch (1”) MIP x ¾” FIP threads


2.6 IRRIGATION EQUIPMENT

A. Refer to drawing notes and legend.

PART 3 - EXECUTION

3.1 INSPECTION

A. Examine areas to be sprinkled and conditions under which irrigation sprinkler system is to be installed.

B. Verify that interfacing work specified elsewhere is complete.

C. Notify Architect in writing of conditions detrimental to proper irrigation coverage and timely completion of Work.

D. Do not proceed until conditions are satisfactory.

3.2 INSTALLATION

A. General 1. Complete installation in strict accordance with manufacturer's recommendation, State of

Texas laws are rule and all local codes and ordinances which shall be considered a part of these specifications.

2. Staking: Stake location of each sprinkler before proceeding. Do not exceed manufacturer's maximum spacing limits for the stated head pressure.

3. Piping Layout: Piping layout is diagrammatic. Route piping around trees and shrubs to avoid damage to plantings. Do not dig within balls of newly-planted trees and shrubs. Also, if applicable, do not trench within the dripline of existing trees. These trenches must be dug by hand.

4. Discrepancies a. Point out any discrepancy between the drawings and the field conditions that may

affect uniform coverage. Do not proceed until any design change made necessary by such discrepancy is approved.

b. Should such changes create extra cost, approval for extra compensation shall be obtained in writing before commencing work.

c. Should such changes create a savings in cost, a written reduction in the contract price shall be approved in writing before commencing work.

d. If Contractor fails to comply with Item a. above, and proceeds with the installation, then the Contractor assumes responsibility for cost of subsequent system modifications to assure that uniform water coverage is achieved.

B. Excavations: Excavations are unclassified and include earth, rock, or combinations, in wet or dry state. Backfill trenches with material removed except if rock is encountered, haul this material off site and backfill to ensure a minimum of 3 inches of rock-free soil surrounding pipe.


C. Water Meter and Backflow Prevention: Refer to drawings.

3.3 PIPE INSTALLATION

A. General: Width of trenches to be approximately twice as large as the pipe diameter. 1. Maintain a minimum horizontal distance of 3’-0” between any valves that are installed side

by side. 2. Maintain a minimum 1’-6” distance between any fittings installed in the main line and

lateral lines (except for reducer bushings). Crosses are not allowed.

B. Mainline Piping: Install in 4-inch wide trenches with minimum of 18 inches of cover over pipe, but no more than 24 inches of cover.

C. Lateral Piping: Install in 4-inch-wide trenches with minimum 12 inches of cover over pipe, but no more than 18 inches of cover.

D. Trenching: Provide firm, uniform bearing for entire length of pipe to prevent uneven settlement. Wedging or blocking of pipe is not permitted. Remove foreign matter from inside of pipe before welding. Keep inside of piping clean during and after layout.

E. Backfill: Water jet and compact to prevent after settling. Hand rake trenches and adjoining areas to leave grade in condition equal to before installation.

3.4 PVC PIPE AND FITTINGS ASSEMBLY

A. Solvent: Use solvent and procedures recommended by manufacturer to make solvent-welded joints. Thoroughly clean pipe and fittings with purple primer before applying solvent.

B. PVC to Metal Connections: Use Teflon tape

C. Threaded PVC Connections: Use threaded PVC adapters into which pipe may be welded. Use Teflon tape on threads.

3.5 COPPER PIPE AND FITTINGS ASSEMBLY

A. Clean pipe and fittings thoroughly and buff connections with sandpaper to remove residue from pipe.

B. Flux pipe and fitting and solder connection using "No-Lead" solder.

3.6 REMOTE CONTROL AND GATE VALVES

A. Provide valves in accordance with materials list and size according to drawings.

B. Install valves in a level position in accordance with manufacturer's specifications and per paragraph 3.3 (4.2).


C. Center a plastic valve box over valve, flush with finish grade. Provide valve box extensions as required.

D. Install 0.5 cubic feet washed pea gravel in bottom of valve box.

3.7 SPRINKLERS

A. General: Provide in accordance with materials list, with nozzling in accordance with Drawings. Change nozzle degree and trajectory if wind conditions affect coverage. Receive approval from the Architect prior to any change. Install heads adjacent to walks and curbs two (4) inches clear of paving. Avoid excess water on walks, walls, fences, etc.

B. Lawn Pop-up Heads: Attach sprinklers to lateral piping with flexible PVC and schedule 80 fittings. Use solvent made especially for flexible PVC. Firmly tamp soil around base plate and leave head plumb. Set top of sprinkler ¼” above finish grade. Provide strainer in each head. Refer to drawing details.

C. Rotary Heads: Attach to lateral piping with pre-manufactured Lasco swing joint assemblies and schedule 80 PVC. Refer to drawing details.

3.8 DRIP IRRIGATION

A. Install drip control zone valve in accordance with manufacturer’s recommendations.

B. Install headers and sub headers. Headers to be PVC Class 200. Maximum distance between headers to be 80’-0”.

C. Install flush valves and air relief valves as required by the manufacturer or as shown on the plans. Install flush valves and air relief valves per manufacturer’s recommendations. In general, flush valves to be installed at the lowest point of the zone and air relief valves on the highest point of the zone.

D. Thoroughly flush all headers before drip tubing is installed.

E. Tubing to be staked at 4’-0” on center (minimum) along length of tubing. Use “u” pins specifically made for use with drip tubing.

3.9 QUICK COUPLING VALVE (QCV)

A. Provide in accordance with materials list and as detailed on Drawings. Stake with galvanized pipe securely attached to QCV with two stainless steel worm gear clamps. Install with individual shut off valve. QVC and shut off valve to be installed in valve box with purple lid.

3.10 WIRING

A. No conduit shall be required for U.F. wire, unless otherwise noted on Drawings. Tuck wire under piping.


B. Make wire connections with waterproof non-hardening two-piece connectors according to manufacturer's recommendations.

C. Provide a separate wire from controller to each electric valve. Provide a common neutral wire from controller to valves served by a particular controller.

D. Provide 24-inch long wire coils at valves.

E. Bundle wires together with waterproof electrical tape at ten-foot intervals.

3.11 TEMPERATURE SENSOR

A. Exterior Controller: Securely mount sensor on bottom of controller, or if pedestal controllers are specified, mount sensor to the inside of the pedestal using stainless steel nuts, bolts and lock nuts. Secure bulb probe flat against outside of controller with nylon wire strip. Remove bracket usually supplied with unit and reuse bolts.

B. Interior Controller: 1. Locate sensor probe in a location exposed to outside air temperature. Receive Architect’s

approval of location prior to installation. Seal opening with silicone sealant. 2. Provide electrical conduit for connection from sensor box to controller. Securely fasten

conduit permanently to wall in manner appropriate for wall material.

C. Use separate conduit or remote control valve wire conduit for sensor. Do not install in same conduit with 115V power supply.

D. Locate as directed by Architect or Landscape Architect.

3.12 RAIN SENSOR

A. Pedestal Mount Controller: Unless noted otherwise, securely attach rain gauge to top of 2” galvanized pipe 10’ above grade and 2’ below grade set in concrete. Locate sensor probe in a location exposed to outside rain conditions. Refer to drawing details.

B. Wall mount Controller: Unless noted otherwise, securely attach rain gauge to top of building parapet or wall. Locate sensor probe in a location exposed to outside conditions. Refer to drawing details.

C. Use separate conduit or remote control valve wire conduit for sensor. Do not install in same conduit with 115V power supply.

D. Locate as directed by Architect or Landscape Architect.

3.13 TESTING

A. Notify Landscape Architect to review work 48 hours prior to testing pipe and fittings for leaks.


B. Test mains for a period of four (4) hours under static pressure. If leaks (or pressure drops) occur, correct defect and repeat test.

3.14 FINAL ADJUSTMENT

A. Make final adjustments of sprinkler system prior to Architect's final inspection.

B. Flush system by removing nozzles from heads.

C. Adjust sprinklers for proper operation and proper alignment for direction of throw.

D. Adjust each section for operating pressure and balance to other sections by use of flow adjustment on top of each valve. Correct operating pressure at last head of each section – 45 to 50 psi for rotary heads and 25 to 30 psi for spray heads.

E. Adjust nozzling for proper coverage. Prevailing wind conditions or slopes may indicate that arc of angle or trajectory of spray should be other than as shown on drawings. Change nozzles to provide correct coverage.

F. Provide all items as required by State of Texas laws and rules and all local codes and ordinances.

3.15 CLEAN UP

A. Keep premises clean and neat.



SECTION 32 90 00 – PLANTING

PART 1 - GENERAL

1.1 SCOPE

A. This work includes all final fine grading and minor leveling of planting areas, soil preparation, and plant installation. Furnish all labor, materials, equipment and services required as herein specified and indicated on the drawings. Refer to planting plans and details on the drawings or in the Project Manual.


A. General: Comply with applicable federal, state, county and local regulations governing landscape materials and work.

B. Employ only experienced personnel familiar with required work. Provide adequate supervision by qualified foreman.

C. Substitutions: Do not make plant material substitutions. If the specified landscape material is not obtainable, submit proof of non-availability to Owner Authorized Representative, together with proposal for use of equivalent material. At the time bids are submitted, the Contractor is assumed to have located the materials necessary to complete the job as specified.

D. Provide quantity, size, genus, species, and variety of trees, shrubs, ornamental grasses and groundcover indicated and scheduled for landscape work and complying with applicable requirements of ANLA, “American Nursery Landscape Association.”

E. All ornamental grasses must be nursery grown, asexually propagated stock, unless otherwise approved by the Landscape Architect.

F. Measurements: Measure trees with branches and trunks or canes in their normal position. Do not prune to obtain required sizes. Take caliper measurements six inches above ground for trees up to and including 4” caliper size, and twelve inches above ground for larger sizes. Measure main body of all plant material of height and spread dimensions, do not measure from branch or root tip-to-tip.

G. Inspection: Plants shall be approved by the Landscape Architect before planting, for compliance with requirement for genus, species, variety, size and quality. One representative shrub, ornamental grass, perennial, and groundcover for each genus, species and variety shall be submitted for approval by Landscape Architect before planting occurs. Every canopy and ornamental tree shall be approved by Landscape Architect before planting occurs. Landscape Architect retains the right to further inspect plants for size and condition of balls and root systems, insects, injuries and latent defects and to reject unsatisfactory or defective materials at any time during progress of work. The Contractor shall remove rejected plant materials


immediately from project site and replace with acceptable material at no additional cost to the Owner.

1.3 SUBMITTALS

A. Product Certification: Submit certificates of inspection as may be required by governing authorities to accompany shipments. For standard products, submit manufacturer’s certified analysis. For other materials, submit analysis by a recognized laboratory made in accordance with methods established by Association of Official Agricultural Chemists, wherever applicable.

B. Planting Schedule: Submit proposed planting schedule indicating anticipated dates and locations for each type planting.

C. Material Sources: Submit to Owner Authorized Representative, a list of all plant materials, plant representatives as mentioned in Item 1.02, G., and their source. This list shall be submitted three days after Notice to Proceed.

1.4 DELIVERY, HANDLING, AND STORAGE

A. Delivery of Trees: Do not prune prior to delivery, except as approved by Landscape Architect. Provide adequate protection of root systems from drying winds and sun. Do not bend or bind-tie trees in such a manner as to damage bark, break branches, or destroy natural shape. Provide protective covering during delivery.

B. Deliver trees after preparations for planting have been completed and plant immediately. If planting is delayed more than six hours after delivery, set plant materials and trees in shade, protect from weather and mechanical damage, and keep roots moist.

C. Do not remove container-grown stock from containers before time of planting.

D. While awaiting planting do not store any plant materials on concrete, asphalt or any surfaces which reflect large amounts of heat during storage.

1.5 JOB CONDITIONS

A. Timing: Tree planting shall not take place June through August. A planting schedule shall be submitted to the Landscape Architect for approval.

B. Coordination with Lawns: Protect existing lawn areas to the greatest extent practical during construction. Seed (or solid sod, as per plans) all areas disturbed during construction with approved grass.

C. Irrigation System: The proposed irrigation system must be complete in all respects and must be completely operational before planting may begin. After planting, any breakdowns in the irrigation system attributable to warranty items must be immediately repaired by the Contractor.


Otherwise, the cost of replacing lost plantings caused by the Contractor’s failure to promptly repair the irrigation system will be fully borne by the Contractor.

PART 2 - PRODUCTS

2.1 PRODUCTS

A. Existing topsoil at the site will be used if available. If more topsoil than is available at the site is required to do the work, the extra topsoil shall be secured from an approved off-site location. It shall be fertile, friable, natural loam containing a liberal amount of humus and shall be capable of sustaining vigorous plant growth. It shall be free of stone, lumps, clods of hard earth, plants or their roots, sticks, and other extraneous matter. Under no circumstances will topsoil be accepted unless it is free of the aforementioned contaminants. Contractor may use approved means of treating the topsoil to ensure its acceptability. 1. In The soil texture shall be classified as loam or sandy loam according to the following

criteria: Loam Sandy Loam Sand (2.0 to 0.05mm diameter) (No. 10 sieve) 25-50% 45-80% Silt (0.05 to 0.002mm diameter) (No. 270 sieve) 30-50% Less than 50% Clay (smaller than 0.002 mm diameter) (Hydrometer analysis) 5-25% Less than 20%

2. Soil texture shall be determined by utilizing processes as prescribed in ASTM D 422 using the No. 20 and No. 270 sieves and a hydrometer analysis.

3. The Contractor shall submit a one gallon sample with test results indicating compliance with the above requirements, and recommended fertilizer requirements for groundcover to be grown in the submitted topsoil. Tests shall be at the Contractor's expense. Any topsoil delivered to the site which does not comply with the approved sample shall be retested at the Contractor's expense and/or replaced.

2.2 SOIL AMENDMENTS TO EXISTING TOPSOIL

A. Compost: Shall be decomposed, organic material composed of twenty (20%) percent animal manure and eighty (80%) percent vegetative material, or other approved formulation. This material shall have been composted at least nine (9) months and shall be free of fungus, grass, weed seed, debris, nut sedge tubers, and any toxic substances, as produced by Soil Building Systems, Inc., Dallas, Texas; Quality Mulch Products, Hillsboro, Texas; Living Earth Technologies, Inc., Dallas, Texas; or approved equal.

B. Rock Powder: Shall be lava sand.


C. Fertilizer: Shall be a one hundred (100%) percent organic based product containing the following minimum percentages of available nutrients (N-P-K) 6-3-3 such as Sustain, Garden-ville Soil Food, or Green Sense.

D. Root Stimulator: Shall be liquid seaweed (kelp), Maxicrop or equal.

E. Liquid Soil Conditioner: Shall act as a catalyst to activate soil nutrients and fertilizers, to improve soil texture and to promote water percolation through the soil. Conditioner shall be Nitron A-35 or approved equal.

F. Eliminate weeds in areas to be seeded prior to planting, using methods approved by Owner.

G. Contractor shall supply the Owner with copies of the invoices and delivery tickets for all soil amendments.

H. Sample and Specification Submittal: Submit a producer’s specification and a one (1) quart sample of each soil amendment proposed to be used for the Owner’s approval

2.3 PLANT MATERIAL

A. General: Provide container grown plant materials, except as otherwise indicated, grown in a recognized nursery in accordance with good horticultural practice, with healthy root systems developed by transplanting or root pruning. Provide only healthy stock free of disease, insects, eggs, larvae, and defects such as knots, sun scald, injuries, abrasions, or disfigurement. Trunks will be centered in root ball. Pruning cuts larger than ¾” will be cause for rejection of plant material. As mentioned in Item 1.02, E, all ornamental grasses must be nursery grown, asexually propagated stock, unless otherwise approved by the Landscape Architect. If Contractor proves that container grown trees of the specified type and size are unavailable the Landscape Architect may approved balled and burlapped stock or make substitutions.

B. Plant Name and Location: The names and locations of all plants are noted in the schedules. The nomenclature of all exotic plant materials is per American Joint Committee of Horticultural Nomenclature, Second Edition, 1942. The nomenclature of all native plant materials is per: 1. Manual of the Vascular Plants of Texas by Correll & Johnston 2. Check List of Vascular Plants of Texas by Hatch 3. Flora of North Central Texas by Shinners & Moller

C. Quality and Size: All plant materials shall be first class representatives of their species or variety unless otherwise specified. They shall have a habit of growth that is normal for the species and shall be healthy, shapely, well-rooted, and vigorous. All plant materials shall be free from insect pests, plant diseases, and injuries. The containers and balls of all plants delivered to the site shall be free from any weeds or grasses which could be considered noxious or objectionable; i.e., nutgrass or Johnsongrass. ALL PLANT MATERIALS SHALL BE EQUAL TO OR EXCEED THE MEASUREMENTS SPECIFIED ON THE PLANTING SCHEDULE WHICH ARE THE MINIMUM ACCEPTABLE SIZES. They shall be measured after pruning with the branches in normal position. The requirements for measurement, branching, grading, quality, balling and burlapping of plants specified generally follow the code of the standards currently recommended by the American Association of Nurserymen, Inc., in the American Nursery Landscape Association.


D. Label at least one tree of each variety with a securely attached waterproof tag bearing legible designation of the botanical and common name.

E. Where formal arrangements of consecutive order of trees are shown, select stock for uniform height and spread, and label with number to assure symmetry in planting.

F. Rejection of Plant: Owner shall approve plants prior to planting. Plant material having any of the following features, but not limited to, will be subject to rejection: 1. An excessive amount of abrasions of the bark. 2. Dried, damaged, or encircling root system. 3. Dried or damaged top wood of deciduous plants, or dried or damaged foliage and top

wood of evergreens. 4. Prematurely opened or damaged buds. 5. Disease or insect infestation, including eggs or larvae. 6. Dry, loose, cracked, broken and/or undersized balls or containers which do not conform

to the sizes shown on the plans. 7. Evidence of heating, molding, freezing, windburn, sunscald, etc. 8. Container plants that are overgrown or root-bound. 9. Plants with bench balls (roots repacked with soil). 10. Plant balls encased in nonbiodegradable plastic or other impervious material. 11. Field grown or collected plants transplanted into containers less than six (6) months. 12. Trees which have damaged, pruned, crooked, and malformed or multiple leaders, unless

multiple leaders are specified or are normal for the species. 13. Plants with disfiguring knots or fresh cuts of limbs over one inch that have not

completely calloused. 14. Plants that do not possess the correct ratio of height and spread for the species. 15. Plant containers that are not structurally sound (cracked, bent, etc.) 16. Plants in containers with less than three-fourths (3/4) planting medium depth. 17. Any other physical damage or adverse conditions that would prevent thriving growth or

cause an unacceptable appearance. 18. Plants that do not meet the standards shown on the plans.

2.4 DECIDUOUS TREES

A. Provide trees of height and caliper indicated.

B. Where shade trees are required, provide single stem trees with straight trunk and intact leader unless specified otherwise.

C. Where small trees of upright or spreading type are required, provide trees with single stem, branched or pruned naturally according to species and type, and with relationship of caliper and branching recommended by ANLA, unless otherwise indicated on landscape plans.

2.5 REQUIREMENTS FOR CONTAINER GROWN STOCK

A. General: Provide healthy, vigorous, well-rooted plant materials established in container in which they are sold. Provide balled and burlapped stock, when required trees exceed maximum size recommended by ANLA for container grown stock.


B. Established container stock is defined as a tree grown in or transplanted into a container and grown in the container for a length of time sufficient to develop new fibrous roots, so that root mass will retain its shape and hold together when removed from container.

C. Container: Use rigid containers which will hold ball shape and protect root mass during shipping. Provide trees established in containers of not less than minimum sizes recommended by ANLA for kind, type and size of trees required.

2.6 MISCELLANEOUS MATERIALS

A. Mulch: Provide double-shredded hardwood bark mulch, medium texture, having a particle size that passes 100% through a 2” square mesh and is retained on a 1/8” square mesh, to be submitted for approval by Owner Authorized Representative. Moisten at the time of application to prevent wind displacement.

B. Available Products: Subject to compliance with requirements, products which may be incorporated in the work include, but are not limited to, the following: 1. Stakes and Guys: As specified on drawings. 2. Fertilizer tablets shall be slow-release type with potential acidity of not more than 5% by

weight containing the following percentages of nutrients by weight: 2% Nitrogen, 10% Phosphorus, 5% Potash. Submit samples along with manufacturer’s guaranteed analysis and application recommendations.

3. Planting Fertilizer: Pelleted or granular slow release form shall consist of the following percents by weight and shall be mixed by a commercial fertilizer supplier, Composition: 15% Nitrogen, 5% Phosphorus, 10% Potash and shall include sulfur, iron and other trace elements.

4. Root Stimulator: Shall be liquid seaweed (Kelp), Maxicrop or equal. 5. Post Emergent Herbicide: “Round up” or approved equal. 6. Steel Edging: 3/16” x 4” x 16’ – black, DURAEDGE steel landscape edging

manufactured by The J.D. Russell Company under its trade name DURAEDGE Heavy Duty Steel Edging. a. Edging shall be cut at 45 degree angle where intersects with curbs and walks; no

steel edging along curbs and walks. 7. Gravel: 1 ½” Tejas Black Gravel, locally sourced and washed. Shall be approximately

1-1/2” pieces down as supplied by Living Earth (or approved equal). 8. Decomposed Granite: Shall be 3/8” minus as supplied by Living Earth (or approved

equal). 9. Mexican Beach Pebbles: As supplied by Living Earth (or approved equal). 1” to 3” sizes. 10. All other materials not specifically described but required for a complete and proper

installation shall be selected by the Contractor subject to the submittal and approval of the Owner Authorized Representative.


PART 3 - EXECUTION

3.1 TREE PLANTING

A. Cooperate with other contractors and trades working in and adjacent to landscape work areas. Examine drawings which show development of entire site and become familiar with scope of other work required.

B. Layout individual tree locations and areas for multiple plantings. Stake locations and outline areas and secure Landscape Architect’s acceptance before start of planting work. Make minor adjustments as may be requested by Landscape Architect.

3.2 EXCAVATION

A. Excavate pits, beds and trenches according to drawings with vertical but “rough” sides. Leave soil in bottom of pit undisturbed. Avoid creating smooth or “glazed” sides of pit. Do not excavate tree pits until preliminary approval has been obtained from the Owner Authorized Representative.

B. Dispose of unsuitable subsoil removed from landscape excavations. Do not mix with planting soil or use as backfill.

C. Utilities: Notify utility companies of planting schedule and have existing utilities field located prior to excavating. Notify Owner Authorized Representative of potential conflicts.

D. Obstructions: If rock, underground construction, or other obstructions are encountered in excavation for planting trees, notify Landscape Architect. New locations may be selected by Landscape Architect, or change order may be issued to direct removal of obstructions to depth of not less than 6” below required planting depth upon approval of Owner.

E. Drainage: Test planting pits for adequate percolation. If subsoil conditions indicate retention of water in planting areas, or if seepage or other evidence indicating presence of underground water exists, notify Owner Authorized Representative before backfilling. A change order may be issued to direct installation of drain tile or other measures beyond drainage requirement indicated upon approval by the Owner.

F. Fill excavations with water and allow to completely percolate out before setting trees.

3.3 PREPARATION OF EXISTING TOPSOIL FOR TREE PLANTING

A. Existing topsoil where stated on landscape plans will be used for tree planting.

B. Before mixing and placing, clean existing topsoil of roots, plants, sod, stones, clay lumps, and other extraneous materials harmful or toxic to plant growth, and dispose of off-site. Use only existing soil from the site as backfill.

C. Tree Planting Pits:


1. Planting Pits: After scarifying, the planting pits shall be excavated. All tree pits shall be a minimum of twenty-four (24”) inches larger in diameter and six (6”) inches deeper than the tree ball or root spread.

2. Soil Mix: Soil Mix: Backfill the lower 2/3 of planting pits with native soil. Soil mix for backfilling the upper 1/3 of the tree planting pits shall be Landscape Soil Mix to be supplied by Living Earth (or approved equal) per plans.

D. Setting and Backfilling: 1. Set plant stock on undisturbed soil, plumb and in center of pit or trench with top of ball

3”- 4” above finished landscape grades. Remove burlap from top of root-ball but do not remove from sides or under root-ball. Remove any nylon, plastic, or wire materials completely. Remove pallets, if any, before setting. Do not use stock if ball is cracked or broken before or during planting operation. When set, place specified backfill around base and sides of ball, and work each layer to settle backfill and eliminate voids and air pockets. When excavation is approximately 2/3 full, water thoroughly before placing remainder of backfill. Repeat watering until no more is absorbed. Water again after placing final layer or backfill.

E. Fertilizer tablets shall be placed in the top 3” of the plant pit at the rate of four tablets per every foot of root-ball diameter per tree, or per manufacturer’s recommendations.

F. Set container grown stock as specified for balled and burlapped stock, except remove container before setting. Carefully remove cover and sides of wooden boxes after partial backfilling so as not to damage root-balls.

G. Construct water retention basin as directed in plans, at least 4” high and twice the diameter of the root-ball.

H. Mulch pits, trenches, and planted areas. Provide a 3” layer of mulch on top of the root-ball. Do not place mulch against trunk of tree.

I. Unless otherwise directed by Landscape Architect, do not cut tree leaders, and remove only injured or dead branches. Any pruning shall be in accordance with standard horticultural practices. Guy and stake trees immediately after planting. If after pruning, the plant has become misshapen or changed in appearance, the plant will be rejected.

J. Stake trees of 2” or greater caliper. Stake trees of less than 2” caliper only as required to prevent wind “tip-out.”

3.4 PLANTING BED PREPARATION

A. Weed Control: Prior to scarification the Contractor shall apply herbicide to all bed areas. Follow manufacturer’s directions as to timing requirements for effective weed control. All Bermuda grass and other noxious weeds shall be completely brown prior to its complete removal from bed areas, regardless of the number of application required.

B. Planting areas shall be dug and specified soil fully prepared, graded, and made ready to receive the plants before delivery of plant materials. After planting, all beds shall be one (1”) inch above finished grade to allow for settling.


C. Shrub, Ornamental Grass, Perennial and Groundcover Planting Areas: 1. Landscape Soil Mix: Following the removal of the top 6” of native soil, there shall be an

application of a 6” layer of Landscape Soil Mix. The Landscape Soil Mix to be evenly distributed and rototilled thoroughly into the soil to a twelve (12”) inch depth (6” Landscape Soil Mix and 6” native soil).

2. Landscaping Soil Mix to meet all local code requirements 3. Landscaping Soil Mix to be supplied by Living Earth (or approved equal) is for all

planting areas at grade including containers. 4. Landscaping Soil Mix shall not contain rocks, gravel, weeds, or chemicals that can inhibit

plant growth. 5. Substitutions shall be submitted to Landscape Architect 45 days prior to delivery to the

site. 6. Fertilizer: Just prior to mixing soil, apply organic base fertilizer with an analysis of 5-10-

5 and sulphur soil at the rate of forty (40 lbs.) pounds of each material per one thousand (1000) square feet.

D. Large Shrub Planting Pits in Turf Areas: 1. All shrub pits shall be a minimum of six (6”) inches larger in diameter and three (3”)

inches deeper than the shrub ball or root spread. 2. Soil Mix: Backfill the lower 2/3 of planting pits with existing soil. Soil mix for

backfilling top 1/3 of pit shall be Landscape Soil Mix to be supplied by Living Earth (or approved equal).

3. Fertilizer: Just prior to mixing soil, apply organic base fertilizer with an analysis of 5-10-5 and sulphur soil at the rate of forty (40 lbs.) pounds of each material per one thousand (1000) square feet.

3.5 MAINTENANCE

A. Maintain all trees, shrubs, ornamental grasses, perennials and groundcover until final acceptance by Owner. Prune, water, cultivate, and weed as required for healthy growth. Restore planting saucers. Tighten and repair stake and guy supports and reset trees to proper grades of vertical position as required. Spray as required to keep trees free of insects and disease.

B. Plants shall be in good, healthy, and disease-free condition. All planted areas shall be free of weeds and debris before site is accepted by Owner. Guarantee period shall begin on date project is accepted by Owner.

3.6 WARRANTY PERIOD AND REPLACEMENT

A. Remove and replace trees found to be dead or in unhealthy condition during the warranty period. Make replacements during growth season following end of warranty period. Replace plant materials which do not meet the specifications for health and appearance, as determined by Landscape Architect at end of warranty period; unless, in opinion of Landscape Architect, it is advisable to extend warranty period for an additional full growing season.

B. Replace, without cost to Owner, and as soon as weather conditions permit, all dead plants and all plants not in vigorous, thriving condition, as determined by the Owner Authorized Representative during and at the end of Warranty Period. Plants shall be free of dead or dying


branches and branch tips, and shall bear foliage of a normal density, size, and color. Replacement shall closely match adjacent specimens of the same species and shall be subject to all requirements of this specification.

3.7 PROTECTION

A. No heavy equipment shall be moved over the planted areas unless the soil is again prepared, graded, leveled, and replanted. It will be the responsibility of this Contractor to protect all paving surfaces, curbs, utilities, plant materials, and any other existing improvements from damage. Any damage shall be repaired or replaced at no cost to the Owner.

3.8 PERFORMANCE

A. Establish dense areas of specified groundcover free from empty spots, lumps and depressions. Replant any part of the areas that fail to show uniform growth.

3.9 CLEANUP

A. During work, keep premises neat and orderly including organization of storage areas. Remove daily, trash and debris resulting from preparation and planting as work progresses. Keep walk and driveway areas clean by sweeping or hosing. Leave site in a broom-clean condition. Excess material or debris brought onto the site or unearthed shall be removed and disposed of off-site.



TURF SODDING 32 94 00 - 1 Copyright 2017 la terra studio, inc.

SECTION 32 94 00 – TURF SODDING

PART 1 - GENERAL

1.1 DESCRIPTION

A. Work Includes: This work includes all labor, materials and equipment for soil preparation, fertilization, planting and other requirements regarding turfgrass sodding shown on the plans.

1.2 REFERENCE STANDARDS

A. For exotic plant materials: American Joint Committee of Horticultural Nomenclature, Second Edition, 1942.

B. For native materials 1. Manual of the Vascular Plants of Texas by Correll and Johnston 2. Check List of Vascular Plants of Texas by Hatch 3. Flora of North Central Texas by Shinners and Moller

1.3 SUBMITTALS

A. Samples, certificates and specifications of sod, fertilizer, compost, soil amendments or other materials may be requested by the Project Manager.

B. All delivery receipts and copies of invoices for materials used for this work shall be subject to verification by the Project Manager.

1.4 PRODUCT DELIVERY, STORAGE AND HANDLING

A. Sod: Harvesting and planting operations shall be coordinated with not more than forty-eight hours elapsing between the harvesting and planting.

B. Fertilizer 1. Unopened bags labeled with the analysis. 2. Conform to Texas Fertilizer Law.

1.5 QUALITY CONTROL

A. The contractor who plants the sod is responsible for supervision of his crew, while planting the sod and maintaining the sod until final acceptance by ownership.



PART 2 - PRODUCTS

2.1 SOD

A. The sod shall be Cynodon dactylon and shall consist of stolons, leaf blades, rhizomes and roots with a healthy, virile system of dense, thickly matted roots throughout the soil of the sod for a thickness not less than one inch. Sod shall be alive, healthy and vigorous and shall be free of insects, disease, stones and undesirable foreign materials and grasses. Sod shall have been produced on growing beds of clay or clay-loam topsoil. The sod shall not be harvested or planted when its moisture condition is so excessively wet or dry that its survival will be affected. If sod is stacked, it shall be kept moist and shall be stacked roots-to-roots and grass-to-grass.

B. The sod shall be cut in strips four feet wide to be laid parallel with the contours.

2.2 FERTILIZER

A. All fertilizer shall be delivered in bags or containers clearly labeled showing the analysis.

B. All fertilizer shall be in acceptable condition for distribution and shall be applied uniformly over the planted area two weeks after sodding.

C. All fertilizer shall have an analysis of 3-1-2 or as designated on the plans. The fertilizer rate shall be 45 pounds of nitrogen per acre.

2.3 WATER

A. The water shall be furnished by the Contractor and shall be clean and free of industrial wastes or other substances harmful to the germination of the seed or to the growth of the vegetation. The amount of water will vary according to the weather variables. Generally, the sod should be soaked one time per day for three weeks or until established. Soaking is mandatory after spreading the fertilizer.

2.4 COMPOST

A. For soil with an alkaline pH condition: Use "New Life Acid Gro" (acid pH) soil conditioner as produced by Soil Building Systems of Dallas, or an approved equal.

B. For soil with an acidic pH condition: Use "Perma Green Compost" by Texas Earth Resources, Inc. of Dallas, or "New Life Natural Grower" (ph 8.0 to 9.0) by Soil Building Systems, Inc., of Dallas, or an approved equal.

C. Sample and Specification Submittal: Submit a producer's specification and a quart sample of the compost proposed for the Project Manager's approval.



PART 3 - EXECUTION

3.1 GENERAL

A. All turfing operations are to be executed across the slope, parallel to finished grade contours.

3.2 SOIL PREPARATION

A. Scarify subgrade to a depth of two inches before depositing the required topsoil.

B. Tillage shall be accomplished to loosen the topsoil, destroy existing vegetation and prepare an acceptable sod bed. All areas shall be tilled with a heavy-duty disc or a chisel-type breaking plow, chisels set not more than ten inches apart. Initial tillage shall be done in a crossing pattern for double coverage, then followed by a disc harrow. Depth of tillage shall be four inches. A heavy-duty rototiller may be used for areas to be planted with sod.

C. Cleaning: Soil shall be further prepared by the removal of debris, building materials, rubbish, weeds and stones larger than one inch in diameter.

D. Fine Grading: After tillage and cleaning, all areas to be planted shall be topdressed with one-half inch compost and then shall be leveled, fine graded, and drug with a weighted spike harrow or float drag. The required result shall be the elimination of ruts, depressions, humps and objectionable soil clods. This shall be the final soil preparation step to be completed before planting.

3.3 PLANTING

A. Prior to laying the sod, the planting bed shall be raked smooth to true grade and moistened to a depth of four inches, but not to the extent causing puddling. The sod shall be laid smoothly, tightly butted edge to edge, and with staggered joints. The sod shall be pressed firmly into the sod bed by rolling or by hand tamping with an approved tamper so as to eliminate all air pockets, provide a true and even surface, and insure knitting without displacement of the sod or deformation of the surfaces of sodded areas. Following compaction, compost shall be used to fill all cracks between sods. Excess compost shall be worked into the grass with suitable equipment and shall be well watered. The quantity of compost shall be such that it will cause no smothering or burning of the grass.

3.4 FERTILIZING

A. Twenty-one days after planting, turfgrass areas shall receive an application of 3-1-2 fertilizer at the rate of 45 pounds of nitrogen per acre. Water well after application to prevent burning.
