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Amherst College Design & Construction Department

Design Guidelines

October 15, 2008

THIS DOCUMENT IS UPDATED REGULARLY. REQUEST AN UPDATED VERSION ON A QUARTERLY BASIS, OR AT THE

BEGINNING OF EACH NEW PROJECT.

(Also refer to separate document, Amherst College’s High-Performance Building Guidelines in addition to Appendix C of this document.)

Amherst College Design Guidelines Department of Design & Construction

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TABLE OF CONTENTS OVERVIEW STANDARD CONTRACT FORMS DIVISION 1 - GENERAL REQUIREMENTS

DIVISION 2 - EXISTING CONDITIONS

DIVISION 3 – CONCRETE

DIVISION 4 – MASONRY

DIVISION 5 – METALS

DIVISION 6 - WOOD, PLASTICS & COMPOSITES

DIVISION 7 - THERMAL & MOISTURE PROTECTION

DIVISION 8 - OPENINGS

DIVISION 9 – FINISHES

DIVISION 10 – SPECIALTIES

DIVISION 11 – EQUIPMENT

DIVISION 12 - FURNISHINGS

DIVISION 13 - SPECIAL CONSTRUCTION

DIVISION 14 - CONVEYING SYSTEMS

DIVISION 21 – FIRE SUPPRESSION

DIVISION 22 – PLUMBING

DIVISION 23 – HEATING, VENTILATING & AIR CONDITIONING

DIVISION 26 – ELECTRICAL

DIVISION 27 – COMMUNICATIONS

DIVISION 28 – ELECTRONIC SAFETY & SECURITY

DIVISION 31 – EARTHWORK

DIVISION 32 – EXTERIOR IMPROVEMENTS

DIVISION 33 – UTILITIES

GUIDELINES FOR SPECIFIC USES

APPENDIX A – GENERAL REQUIREMENTS FOR CONSTRUCTION PROJECTS AT AMHERST COLLEGE APPENDIX B – AMHERST COLLEGE GUIDELINES FOR LAUNDRY ROOM DESIGN APPENDIX C – AMHERST COLLEGE SUSTAINABILITY GUIDELINES


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OVERVIEW These Design Guidelines are for use by hired design professionals, in consultation with Amherst College Facilities Department. The purpose of this document is to convey the College's preferences with regard to materials and systems of construction. It is intended to be a guide, not a complete specification, for design and construction projects. It is important that this guide, which is updated from time to time, be reviewed and applied according to the specific circumstances of each project. All design remains the responsibility of the Architect/Engineer (A/E). The A/E is to refer to this document as the design advances through the programming, design, and construction document phases. The A/E must review the Design Guidelines in order to verify that all relevant items are properly addressed in the Contract Documents and convey this to the Amherst College Project Manager (ACPM). For each project, the A/E will advise the ACPM of any recommended deviations from these guidelines. All construction at the College is within the jurisdiction of The Town of Amherst Inspection Services (AIS) and the Amherst Fire Department (AFD). These departments have specific forms and requirements for construction, and the A/E shall make itself aware of these in order to incorporate them into the Contract Documents, as applicable. STANDARD CONTRACT FORMS Amherst College utilizes modified versions of the family of documents published by the American Institute of Architects (AIA) as the basis for agreements among the various parties involved in the College’s design and construction projects. As modifications are periodically made to the base agreement documents, please request the most recent “boiler plate” documents from the ACPM. Documents commonly used by the College include, but are not limited to, the following:

AIA Document A101, Standard Form of Agreement Between Owner and Contractor where the basis of payment is a Stipulated Sum

AIA Document A121/CMc, Standard Form of Agreement Between Owner and Construction Manager where the Construction Manager is also the Constructor

AIA Document A201, General Conditions of the Contract for Construction

AIA Document A105, Standard Form of Agreement Between Owner and Contractor For a Small Project where the basis of payment is a Stipulated Sum

AIA Document A205, General Conditions of the Contract for Construction of a Small Project

AIA Document B141, Standard Form of Agreement Between Owner and Architect

AIA Document B727 Standard Form of Agreement Between Owner and Architect for Special Services


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DIVISION 1 – GENERAL REQUIREMENTS

Appendix A, “General Requirements for Construction Projects at Amherst College” outlines

parameters and procedures for construction work that is performed on the Amherst College campus. These general requirements should be reviewed with the ACPM and included in the Contract Documents as appropriate.

DIVISION 2 – EXISTING CONDITIONS Amherst College maintains “as-built” documents of most of its existing facilities. The

ACPM will provide project-specific documents to the A/E is possible when requested. DIVISION 3 – CONCRETE Reserved for future use. DIVISION 4 – MASONRY Brick Masonry All brick masonry construction shall be in accordance with “ The Brick Industry Technical

notes on Brick Construction” (http://www.bia.org/html/frmset_thnt.htm).

The preferred method of masonry cleaning is by utilizing a mild detergent, hot water and a nylon brush. Other methods may be considered only if this method proves ineffective. Run-off other than clean rinse-water must be collected and neutralized per regulatory requirements.

DIVISION 5 – METALS Miscellaneous Metals It is preferred that exterior metal railings, bollards, etc. not be field painted. Provide

materials and finishes that require limited maintenance (exposed galvanized, color anodized, color galvanized.)

Window Security Screens At dormitory windows where the sill is less than eight feet above the adjacent grade and

where windows open onto walkable roofs, provide Steel Narrowline Security Screen, Model S-NR5-28X-O, with Roto-Lift operator and Tamper Tag , as manufactured by Kane Manufacturing Corporation or some other design solution to reasonably prevent access in or out of window.

DIVISION 6 – WOOD, PLASTICS & COMPOSITES Reserved for future use.


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DIVISION 7 – THERMAL AND MOISTURE PROTECTION Roofing The College may elect to retain a third party roofing consultant assigned to the project team.

The ACPM will review applicability for each project with the A/E. Provide roofing systems in accordance with the Factory Mutual Research Corporation

(FMRC) Approval Guide and complying with Class 1A-90 classification. Provide minimum 15-year total system warranty for flat and low-slope membrane roofing. Provide minimum 5-year warranty for metal and slate roofs. Provide dedicated roof walkways at all traffic areas, including at roof hatches, ladders, fans,

air handling units, miscellaneous equipment, etc. The A/E shall review all roof designs with the ACPM for fall-protection requirements. Tie-

off and anchor points where required, shall be designed to OSHA standards. Coordinate MEP systems with roof design and indicate all equipment and penetrations on

roof plan and elevation and to scale. Architectural Sheet Metal Metal flashing shall be detailed and constructed in accordance with the following:

SMACNA’s “Architectural Sheet Metal Manual”, CDA’s “Copper in Architecture Handbook” and Revere Copper “Copper and Common Sense.”

DIVISION 8 – OPENINGS Hollow Metal Doors and Frames Provide heavy duty, seamless hollow metal doors and welded frames (knock-down frames are

not preferred) Flush Wood Doors Provide AWI Premium Grade, 5-ply doors. Door Hardware Locksets / Latchsets: Yale 8800 Mortise; L5400 Cylindrical (limited, retrofit use only)

Exit Devices: von Duprin Series 99; mortise or rim w/vertical mullion as required (vertical rods are not preferred)

Cylinders: Removable core type; Yale 1214 to match College’s existing system


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Hinges: Stanley; ball-bearing type; provide Roton continuous hinge at high-frequency, non-public, exterior doors that do not have electric hardware.

Closers: LCN 4100 Series (high frequency use); Yale 5100 Series (low frequency use meaning custodial, janitorial closets or similar, at interior locations only)

Electronic Access Control System: The College utilizes the “One-Card Squadron Access Control System” as manufactured by The CBORD Group, Inc., 61 Brown Road, Ithaca, NY 14850. Tel. (607) 257-2410, Fax (607) 257-1902. Access control requirements shall be determined on a project-by-project basis and shall match the existing campus system. The A/E shall coordinate all wiring and system components with CBORD and with the Squadron Access Control Installation Guide, which is available through the ACPM.

Kickplates: Stainless steel, brass or bronze (no plated finishes) at heavy use doors and all doors with closers

Exterior Hardware: Stainless steel, brass or bronze (no plated finishes)

Glazing

Provide gasket or tape glazing. Do not use wet (sealant) glazing. Provide glass products in colors and coatings that are readily available for replacement in

case of breakage or failure. Provide 10-year warranty on insulating glass units. DIVISION 9 – FINISHES General

For finish materials such as carpet tile, special ceiling tile, linoleum tile, and ceramic tile, provide 2% attic stock. Do not provide attic stock for readily available materials such as paint, standard ceiling tile, standard VCT, etc.

Gypsum Board Assemblies

For steel stud walls subject to heavy abuse and at walls faced with tile backer board or abuse-resistant panels, all studs and runners shall be a minimum of 20 ga.

Suspended Acoustic Tile Ceilings

The following acoustic tile materials are used extensively on campus and should be considered wherever suspended acoustic tile is required. However, for renovation projects matching existing ceiling types shall take priority:

o Armstrong, Fissured Minaboard #755 (2’ x 2’) and #756 (2’ x 4’)

o Armstrong, Minatone Cortega #704 (2’ x 2’) and #703 (2’ x 4’)


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Provide ½” diameter vinyl “dots” adhered to the grid to identify the following:

o Blue dots: Potable water shutoffs, valves

o Green dots: Chilled water valves, hot water valves, HVAC devices

o Red dots: Electrical devices

Carpet

The following carpet materials are used extensively on campus and should be considered wherever carpeting is required:

Interface Carpet tile, modular 50cm x 50cm . Consult with ACPM for preferred color/pattern selections.

Ceramic Tile

Avoid large fields of white or black tile

Do not use light-colored grout at floor tile. Use of darker gray colored grout is preferred. Consider use of stain-resistant epoxy grout at floors.

Solid surface material is preferred at shower walls and floors.

Painting

Provide paint according to the following schedule:

o Interior Metal

Primer: Pratt & Lambert Steeltech Rust Inhibitive Metal Primer

Finish: Pratt & Lambert Techgard Alkyd Enamel

o Interior Wood Painted

Primer: California Latex Enamel Undercoater Primer Sealer 546-00 White

Finish: Pratt & Lambert Accolade Semi Gloss Acrylic Latex

o Interior Wood Stained (4 coat system)

1st Coat: Stain as selected

2nd Coat: California Clear Cote Oil Modified Polyurethane, Gloss 203-07

3rd & 4th Coats: California Clear Cote Oil Modified Polyurethane, Gloss 203-07 or Satin 203-09

o Interior Gypsum Board or Plaster Walls


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Primer: California AllWall Acrylic Latex Primer Sealer Undercoater 566-00 White *

Finish (Agate Gray): California Fres-Coat Acrylic Latex, Eggshell, Agate Gray, 53199 *

Finish (colors other than Agate Gray:: Pratt & Lambert Accolade Interior Velvet Acrylic Latex

o Interior Gypsum Board or Plaster Ceilings

Primer: California AllWall Acrylic Latex Primer Sealer Undercoater 566-00 White *

Finish: California Ceiling White Acrylic Latex 541-00 White *

o Exterior Metal

Primer: Pratt & Lambert Steeltech Rust Inhibitive Metal Primer

Finish: Pratt & Lambert Techgard Alkyd Enamel

o Exterior Wood

Primer: California Fres-Coat Troubleshooter Acrylic Latex Primer 45100 White

Finish (Nu White): California Fres-Coat Acrylic Latex Satin Gloss 471-00 Nu White

Finish (colors other than Nu White): Pratt & Lambert Accolade Acrylic Latex Semi-Gloss

Exterior Wood Decking

Pratt & Lambert StainShield Semi-Transparent Water Borne Deck & Siding Stain

o Items designated with an asterisk (*) will typically be provided by the Amherst College Paint Shop. Verify with Project Manager.

Apply paint to walls and ceilings with rollers. If spray application is used, then back-roll to provide rolled finish.

DIVISION 10 – SPECIALTIES Toilet Partitions

Toilet partitions shall be solid polymer plastic (high-density polyethylene) units as manufactured by Santana, Knickerbocker, or Sanymetal.

Preferred design is floor-mounted and overhead-braced. Toilet Accessories


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Paper Towel Dispenser (for use at areas not accessible to the public): Georgia Pacific Vista Hygienic push paddle roll towel dispenser ( 54338 ) color to be “see-thru gray”. For additional information contact vendor, Bay Colony Paper Corp. (413) 762-5151.

Paper Towel Dispenser / Disposal (for use at areas accessible to the public): Bobrick # B-

39603 roll paper towel dispenser w/ waste receptacle. Toilet Tissue Dispenser: Bobrick #B-697 (recessed) or #B-6867 (surface), double-roll. Soap Dispenser: Gojo Gemini #9501, Twin Pack. Waste & Recycling Receptacles: Rubbermaid Slim-Jim receptacles will typically be provided

by the College Mirror: Bobrick #B-165 Series (individual unit at each lavatory or single large mirror at

entire vanity area). Sanitary Napkin Dispenser: Bobrick #B-3500 Series (recessed) or #B-2800 Series (surface). Sanitary Napkin Disposal: Bobrick #B-4353 (recessed) or #B-270 (surface). Fire Protection Specialties

In general, fire extinguishers for typical dormitory, classroom, and office use shall be 2.5 gallon, pressurized water type. Approximate unit size is as follows; Diameter 7”, Height 24 ¾” , Width 9”. Fire extinguishers shall be indicated on the design drawings, but shall be provided by the College. Fire extinguisher cabinets, where appropriate, shall be included in the scope of the construction contract.

DIVISION 11 – EQUIPMENT Dorm Kitchenette Appliances

Microwave shall be GE Profile Countertop microwave oven, Model # JE2160SF with optional trim kit for built-in appearance or equal (this equipment is CFCI unless noted otherwise) however, countertop installation is preferred.

DIVISION 12 – FURNISHINGS Reserved for future use.

DIVISION 13 – SPECIAL CONSTRUCTION Reserved for future use.

DIVISION 14 – CONVEYING SYSTEMS Elevators Provide hydraulic elevators as manufactured by Thyssen Dover Elevator Company or equal.


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Elevator cars shall be equipped with occupancy sensors to insure that light fixtures and fans operate only when the elevators are in use.

Light fixtures in elevator cars shall be fluorescent type, not incandescent or low voltage. Elevator cabs shall be capable of accommodating an Amherst Fire Department gurney

(approximate size is 80”L x 24”W). A/E shall contact AFD to verify current gurney size. Cab walls shall typically be plastic laminate.

DIVISION 21 – FIRE SUPPRESSION

Use upright or concealed sprinkler heads wherever possible to reduce risk of accidental activation.

When large protected areas are subject to freezing a dry pipe system should be used rather than a glycol system.

Backflow preventers shall be Ames.

Typically sprinkler systems shall utilize steel pipe. Plastic pipe may be considered for limited applications after consultation w/ACPM.

DIVISION 22 – PLUMBING & DIVISION 23 - HVAC General

Note that reliability, maintainability and access to equipment at Amherst College is important. The ease of repair/replacement is important to consider when designing the project.

At the conclusion of each project a set of as-built mechanical drawings (i.e. plumbing, fire protection, HVAC) shall be left in the main mechanical room.

Gauges - temperature gauges shall be mounted in wells, all gauges shall read mid scale at normal conditions, pressure gauges shall have ball isolation valves. Gauges shall be Ashcroft or Trerice, the pressure gauges shall be calibrateable. In general, each coil, pump, and unit shall have temperature and pressure gauges on the supply and return.

At critical locations mechanical, plumbing, fire protection, and other penetrations in floors shall be contained within a sleeve that extends above the finish floor to act as a water barrier.

Coordinate mechanical system with roof design and indicate all equipment and penetrations on roof plan.

All piping shall be thoroughly flushed before it is put into service. Flushing shall be done in one direction until the water runs clear, then shall be repeated in the opposite direction.

Material supplied by Tyler Pipe or Wade Industries is not acceptable.


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Tamper proof screws shall not be used.

Each mechanical room shall be provided with at least one hose bib.

Any equipment that contains or processes liquids shall have appropriate spill protection/containment.

All piping shall be hydrostatically tested at twice working pressure for a period of 1 hour. Testing of pipe shall be conducted before connections to equipment are made, before piping joints are covered or pipe is buried, and shall be witnessed by the Amherst College Physical Plant. If there are any leaks they shall be repaired and the test repeated. The contractor shall furnish all testing apparatus, make all temporary connections, and perform all testing operations required, and shall provide a note signed by the testing mechanic and Amherst College's representative attesting to its successful completion.

Provide a complete Valve Tagging System. Use 2" x 2" stamped metal corrosion-free tags. A metal framed, glass covered Valve Chart shall be mounted in the Mechanical Room showing the piping diagram and associated valves.

Provide a complete Pipe Identification and Flow Direction System using labels and arrows. Do not color-code piping

Spare Parts:

o Two (2) replacement belts for all motors that have belts shall be provided.

o A complete change of filters for all equipment shall be provided. Controls

The College uses both Andover and Automated Logic controls. Typically, both systems shall be specified as acceptable.

Non-electric thermostats shall be Danfoss or Macon.

Control wiring shall be run in conduit when exposed in any occupied space (including mechanical rooms, electrical rooms, storage rooms, etc.). Control wiring concealed in walls and ceilings may be run without conduit.

Provide minimum 4-conductor wire for typical control system.

Control panels shall be provided with a minimum of 4 spare inputs.

Control system for stand-alone boilers shall be Tekmar.


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Fire alarm requirements and interface with CO detectors in boiler rooms.

Install Simplex CO detector (System Sensor model 4098-CO1224) and supervised IAM (4090-9051) in accordance with the manufacture specifications. Install Relay IAM (4090-9002) at the Electrical Panel that feeds the circuits to the boiler & or boilers. This Relay IAM requires IDNET & 24VDC run back to the Fire Alarm System. The end state for the system is for the Relay IAM is to signal a power relay ( Square D #8501CDO16V53 with enclosure #9991UE1 ) through programming to open up the circuit or circuits that feed the boiler & or boilers should the CO detector within the boiler room initiates.

HVAC

Design Comfort Guidelines: Heat to 70 F. Cool to 72 F. Control setpoints for occupancy shall be 68 F for heating and 74 F for cooling. (Review with ACPM any special conditions such as labs or storage that may have more stringent or less stringent needs.)

Motors internal to AHUs shall be totally enclosed fan cooled (TEFC) type and meet the local electrical inspector's requirements.

Where powered ventilation is required for attic spaces provide solar-powered type.

Where combustion air is required, provide a direct-ducted system rather than general space louvers wherever possible.

Carbon monoxide detectors shall be monitored through the fire alarm system.

Hydronic Systems

o Provide emergency power for hydronic pumps and controls.

o Boilers shall be

o Non Condensing

LAARS Pennant, RBI or Buderus

o Condensing

Lochinvar Knight, Hat Transfer also known as Mod Com or Viessmann

o All hydronic piping shall be thoroughly flushed, and water shall be treated with a corrosion inhibitor before the system is put into service.

o All hydronic piping shall be Type L copper.

o Hot water pumps shall be Bell & Gossett.

o Grooved joint fittings are not acceptable.


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o Drain valves shall have hose threads.

o Backflow preventers shall be Ames.

o Control valves shall have Belimo actuators.

o Isolation valves shall be placed on every device, control, pump, coil and zone. Valves 2 ½” and smaller shall be ball valves, and valves greater than 2 ½” shall be butterfly valves.

o Insulation Schedule (minimum) Runouts . . .. . . . 0.5" insulation 2" and smaller . . .. . . . 1" insulation Larger than 2" . . .. . . . 2 " insulation

o Systems shall be reverse return with isolation, control and balance valves on each zone. Control shall be by 2 way valve with variable speed pumping.

o Air separators shall be Spiro-Vent.

Air Systems

o All ducts that form main trunk lines shall be pressure tested before being concealed or put into service.

o All ducts shall be protected from accumulating dust or debris during construction and shall be thoroughly cleaned prior to being put into service.

o Filters for air handling equipment shall be pleated type only. Plumbing

All domestic water piping shall be Type K copper.

All laboratory waste and vent piping shall be polypropylene w/mechanical joints.

All valves shall be ball valves.

Fixture Schedule:

o Water closets shall be wall-hung

o Lavatory Faucets shall be American Standard or Kohler, 1/4 turnball type w/minimum 0.5 gpm aerator.

o Lavatories at dormitories shall be solid-surface bowl integral with vanity top.

o At all toilet rooms with multiple water closets, lavatories, etc. provide a cold water hose bibb in an unobtrusive location.

o Drinking fountains shall be simple bubbler-type without water cooling.


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o Low flow shower heads: 1.5 gal/min shower heads as manufactured by Bricor B-150-CH-R for 60 psi pressure.

Insulation Schedule (minimum): o Hot Water Runouts . . .. . . ½ " insulation 2” and smaller . . .. . . 1" insulation Larger than 2” . . .. . . 1½ " insulation

o Cold Water (Armaflex typical) 1" and smaller. . . .. . . ½ " insulation larger than 1” . . .. . . 1" insulation

Provide flush-mounted, freeze-proof wall hydrant w/hex key control valve at each building façade.

Domestic hot water mixing valves shall be High-Low Thermostatic Mixing Valves by Lawler Steam and Chilled Water Chilled water systems attached to the central plant need to be installed as a tertiary system,

with a bridge and regulating valve to maintain the chilled water return temperature. Each building shall be provided with a steam or condensate meter, and a chilled water meter

(where chilled water is provided). All meters shall be monitored via the campus energy management system.

All buried piping shall be welded; welded pipes smaller than 2" shall be socket welded.

Underground chilled water piping shall be Urecon prefabricated/preinsulated piping.

Underground steam piping shall be Perma-Pipe prefabricated/preinsulated piping.

All branch connections will be made using a sockolet (for welded pipe) or threadolet (for threaded pipe), the same gauge as the heaviest pipe, and an extra heavy nipple.

Gaskets on all 30 psi steam piping shall be metallic wound, 150 psi, type. All other gaskets including low-pressure steam and condensate piping shall be high temperature fiber. Gaskets and bolts shall be coated with Never-Seize to facilitate future maintenance.

Piping shall be sleeved through all wall penetrations (building and manhole). Sleeves shall be sized to accommodate full-thickness insulation through the wall and shall be properly sealed against water with Link Seal .

Specify non-toxic Glycol protection for the chilled water system when freeze protection is needed.

Insulation Schedule (minimum): Low press steam < 15psi (FRK w. jacket--typical) 1½ " and smaller. . . . . . 1½ " insulation 2" and larger . . . . . . . 2" insulation


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Medium pressure steam, 30# 1½ and smaller. . . . . . 2" insulation 2" to 4" . . . . . . . 2½ " insulation Larger than 4" . . . . . . . 3" insulation Chilled Water 1" and smaller. . . . . . . . 3/4 " insulation 1" and 2” . . . . . . 1" insulation Larger than 2” . . . . . . 2 " insulation

Insulation on buried piping and in manholes: pre-engineered insulated pipe systems. Thickness as follows:

— 3½ " insulation on 30 psi steam pipe 6" and over — 2" insulation on 30 psi steam pipe 2-4" and all low-pressure pipe

Insulation in tunnels and buildings shall be fiberglass with all service jacket (ASJ). Same thickness as buried

Insulation at all penetrations, into manholes or into buildings shall be provided with positive waterproofing

Valves

o Steam valves 3" and over shall be gate valves. Chilled water valves 3” and over shall be butterfly valves

o Valves 2½ " and under shall be Apollo ball valves with stainless steel ball and Teflon seats and packing

o Steam regulating valves shall be Spence

o Where space constraints prohibit installation of a ball valve, valves shall be Jamesbury wafer-sphere model 815L, carbon steel body, stainless stem, with filled TFE seats. A properly sized bypass line shall be installed around each steam line valve 4" and larger.

o Shut-off valves shall be installed on steam lines at each building-feed branch lines

o A shut-off valve shall be installed on the condensate lines at all building exits (side closest to boiler plant), with a 1½ " valved tee upstream of the shut-off for wasting or testing condensate. The tee shall have a threaded end for hose connection, and a cap for normal operation.

o Trap all upstream sides of valves Traps

o All F&T traps shall be Barnes and Jones T40 series or Watson McDaniel T40 series.

o All bucket traps shall be 3/4", Armstrong Watson McDaniel sized accordingly.


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o All traps shall be installed with a 3-valve bypass set-up. All traps shall be installed with a drip leg, 2" minimum diameter, line-sized where space permits with a 3/4" blow off valve.

o Drip traps shall be installed with a flexible stainless steel hose (or swing joints) between the steam and condensate lines.

Unions and Strainers

o Unions shall be 300 psi, malleable iron.

o Strainers shall have a cast iron body with stainless basket. All strainers shall be provided with blow-down valves, with a short threaded outlet pointing down.

Condensate Pumps

o Preferred condensate pumps are Hoffman WC Simplex, or WCS Duplex. Skidmore or ITE are acceptable alternates.

DIVISION 26 – ELECTRICAL General

At the conclusion of each project a set of as-built electrical drawings shall be left in the main electric room.

Electrical closets shall be dedicated for electrical use only. Separate closets shall be provided for network services (telephone, data, and video).

Electrical distribution panels shall be located as close as possible to the area which they serve.

Square D is preferred for power panels. GE is an acceptable alternate.

All wiring shall be stranded-conductor type.

Clear access to the ceiling above distribution panels shall be maintained to facilitate future work and changes.

The capacity of branch circuit conduits shall be limited to 80% of code maximum.

All buildings shall be provided with a kWh/demand meter that is tied into the campus Energy Management System.

Power

All primary underground electrical power shall be concrete-encased. Encasement of secondary feeders shall be considered on a project-by-project basis. All underground wiring shall be in conduit. Direct-burial cable is not permitted.


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At selected areas on campus exterior “show power” shall be provided. Locations and specific requirements shall be coordinated with the ACPM.

Corridors and stairwell landings shall be provided with 120V duplex receptacles. These receptacles shall not share circuits with offices or dorm rooms.

For branch circuiting EMT conduit shall be provided from the panel to a central distribution point (typically located in a corridor). From this point, MC cable shall be provided to individual devices.

Floor receptacles shall be used only where required by specific needs. Floor receptacles shall be gasketed and waterproof.

Large common rooms (>50 occupants) located in dormitories shall be provided with two 120 V quad receptacles, each with its own dedicated 20 amp circuit. These receptacles shall be in addition to normal convenience receptacles. Coordinate location of dedicated receptacles with ACPM.

All primary voltage transformers and switches shall be rated for 13.8 kV service.

Transformers shall be Cooper, dielectric type.

All circuit breaker panels mounted in spaces accessible to the public shall be lockable.

All circuit breaker panels shall have hinged covers.

Provide a dedicated circuit for each vending machine.

All motor controls shall have a Hand Off Automatic switch with indicator lights.

Motors shall be rated for 120V, 208V or 480V.

Emergency & Standby Power

Emergency and standby power for most campus buildings shall be provided by generators located in close proximity to the building(s) that they serve.

Generators shall be by Onan.

Transfer switches shall be QTCP networked type by Onan.

The generator and transfer switch shall both be connected to the fire alarm system and shall be capable of reporting both “trouble” and “run”.

Emergency power shall be provided to building systems as required by applicable codes. Standby power shall be provided for the following systems.

o Access control (CBORD) system

o Building heating system (to maintain freeze protection only)


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o Energy Management System

o Other systems as determined by specific project requirements – coordinate with the ACPM.

Fire Alarm

The Fire Alarm Control Panel for each building shall be located in that building’s main electrical room.

Design and installation of fire alarm systems at Amherst College shall be in accordance with the Amherst College Fire Detection & Alarm Guide. This document can be found at the following website:

http://www.amherst.edu/~ehs/programs/Fire/Fire_Alarm_Guide.html Security

Intrusion alarms, where required, shall be compatible with the Simplex system currently in use on campus.

All wiring for intrusion alarm and access control systems shall be run in conduit.

Electronic Access Control System: The College utilizes the “One-Card Squadron Access Control System” as manufactured by The CBORD Group, Inc., 61 Brown Road, Ithaca, NY 14850. Tel. (607) 257-2410, Fax (607) 257-1902. Access control requirements shall be determined on a project-by-project basis and shall match the existing campus system. The A/E shall coordinate all wiring and system components with CBORD and with the Squadron Access Control Installation Guide, which is available through the ACPM.

Lighting

Typically the following types of spaces shall be provided with dual-technology occupancy sensors for lighting control.

o Offices

o Classrooms

o Conference Rooms

o Storage / Utility Rooms

Light fixtures in dormitories shall not incorporate glass (i.e. shades or globes).

Lighting selection and specifications shall strive to minimize the number of different types of lamps. The following fluorescent lamp types are common at Amherst College and their use is encouraged: t-8 32w (4’); t-8 17w (2’); 26w quad pin. Incandescent lighting shall be used only where required by specific needs.

Site lighting shall be of the following types:


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o Street lights shall be 20’ high, tapered poles (poles provided by the College) with “shoebox” type fixture (fixture provided by the contractor) ABS Lighting #S-11000-250 HPS.

o Walkway lights shall be 10’ high, decorative poles (poles provided by the College) with “gaslight” type fixture (fixture provided by the contractor) Cooper #LXF10SH233, 100w HPS.

Exit signs shall be green LED type.

Ballasts for fluorescent light fixtures shall be manufactured by Advance. DIVISION 27 – COMMUNICATIONS Refer to separate guide specification prepared by Amherst College Network Services. The

latest version of this document will be provided by the ACPM. DIVISION 28 – ELECTRONIC SAFETY & SECURITY

Reserved for future use.

DIVISION 31 – EARTHWORK

Reserved for future use.

DIVISION 32 – EXTERIOR IMPROVEMENTS Paving and Curbs

Road and walkway paving shall generally be bituminous concrete. The minimum thickness of bituminous concrete roads and walks shall be 3 ½”. This includes a 2” binder course and a 1 ½” wearing course.

Curbs shall be 6” W x 18” H gray granite, as supplied by Williams Stone, Otis, MA with a 6” exposure, set in a concrete base. Granite curbs shall meet the requirements of the Massachusetts Highway Department. Curb Finish shall be split face sides with sawn thermal finished tops.

Major sidewalks shall be 7’0” and minor walks 5’-6” wide.

Preferred stone paving shall be Otis Chester gray granite, as supplied by Williams Stone, Otis, MA.

Site Improvements

The following items are College standards. Typically these items will be furnished by the College for installation by the Contractor. Coordinate with the Project Manager.

o Exterior benches: Teak Bench (5’ or 6’ length) by British American, 136 Wallace Avenue, Downington, PA 19335, telephone 800-344-0259 (contact: Rosemary Swindin).

o Site light fixtures: See Division 26.


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o Trash receptacles: Model No. S-42 by Victor Stanley Inc., P.O. Drawer 330, Dunkirk, MD 20754, telephone 800-368-2573.

o Bike racks: Model No. N4L-5006-8S Sturdy Steel Bike Rack by American Hotel Register Co., 2775 Shermer Road, Northbrook, IL 60062-7798.

o Dumpsters: 2 cubic yard, custom Amherst Model by Bart Trucking.

o Removable steel bollards: Removable, locking, 8” square steel tube, 3’-7” above grade, with separate steel tube base, set 2’-0” into concrete footing.

o Granite bollards: 7” square grey granite (Otis Chester Granite), 3’-7” above grade, set 2’-5” into compacted gravel base. Do not set in concrete.

Landscaping

Lawns shall be established using conventional seeding or Hydromulch methods. Generally, the college does not use sod.

Hydromulch specifications

o Seed mix in hydromulch - Sports Turf Mix by Valley Green Inc., Holyoke, MA. Five pounds per 1000 SF, containing the following fine textured grasses: 24.7% Nuglade Kentucky Blue with 85% germ, 24.8% Rambo Kentucky Blue with 85% germ, 23.9% Goalkeeper Perrenial Rye with 90% germ, 24.6% Extreme Perennial Rygrass w/85% germ. Remaining ingredients include 1.5% inert materials, 0.50% crop, and 0.03% weed.

o Con-Tac tackifier: a guar-based organic tackifier.

o Fertilizer used in hydromulch: Proscape 12-24-11 w/ Tupersan Pro Weed Control, OR Turf Care19-19-19 w/Drive Weed Preventer

o Hydromulch breakdown: 70 / 30 enviro-blend - 70% wood fiber, 30% cellulose. Use 1500-2000 lbs per acre.

Soils that may become compacted during construction, such as at lay-down areas, temporary drives, work areas, etc. that will be planted in the final design shall be thoroughly tilled to a minimum depth of 12” prior to performing final grading.

DIVISION 33 – UTILITIES Storm drainage plans shall clearly show the extent of any perimeter drains and include

relevant invert elevations and connection to the correct drainage manhole.

All manhole covers shall be designated as to Tel., Sewer, Drain, Electric, Steam, etc. Curb valve covers for sprinkler water from the Music fire pump shall be marked with an “F.”

Electrical manholes shall be provided with proper drainage.


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At areaways, provide structural grating with galvanized hardware cloth below to resist the accumulation of leaves and debris in the areaway. At areaway drains, provide roof drain-type, dome strainers to keep drain open and piping clear of debris, leaves, etc

Steam manholes shall be minimum 6' diameter, 8' where more than 1 branch line enters.

Positive means of drainage shall be provided to keep water from contacting the pipe insulation or pipe. If elevations permit, drainage shall be via gravity flow to the nearest catch basin. Otherwise, a sump shall be installed

All valves within a manhole shall be controllable from above using a standard T handle wrench

GUIDELINES FOR SPECIFIC USES Laundry Requirements for the design of laundry rooms in dormitories are outlined in Appendix B

Amherst College Guidelines for Laundry Room Design. Trash and Recycling

Each building shall have a designated exterior space to accommodate at least one, 2-cubic yard dumpster for trash collection, another for cardboard recycling and 2 smaller recycling carts. Large buildings may require a second dumpster. Review every project’s needs with ACPM. The exterior space shall be readily accessible by service vehicles, near custodial access to the facility, and visually shielded from the public.

Each building shall have a designated room or exterior space to accommodate the temporary storage of recyclable materials. Typically this will consist of one container for bottles & cans, one container for paper, and an area for cardboard. If a room is provided it shall be approximately 6 ‘W x 8’L, be located at grade level, and be readily accessible from the exterior of the building. Additional containers / space may be required for larger buildings (confirm with ACPM). If an exterior space is provided it shall be close to the dumpster area described above.


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APPENDIX A - GENERAL REQUIREMENTS FOR CONSTRUCTION PROJECTS AT AMHERST COLLEGE The Contractor understands and acknowledges that College academic, business and residential activities continue on their normal schedule and as a general rule will take precedence over construction operations if conflicts arise. The College expects professional and courteous behavior of all members of the contracting community. 1.1 Utility Interruptions

A. Interruptions to utility services including, but not limited to, electric, water, sewer, gas, fire sprinklers and fire alarms, telephone and data, steam and chilled water, building automation systems are to be coordinated with and approved by the Amherst College Project Manager (ACPM) at least 5 days prior to the event.

1.2 Objectionable Tasks

A. Performing noisy, odor-producing, or other potentially disruptive activities affecting occupied areas of campus will be coordinated with and approved by ACPM in advance.

1.3 Safety and Emergency Response

A. In the event of an injury or other emergency, first call (413) 542-2111, then call 911 if necessary. This is the number for Campus Police and using this number will result in the quickest response, faster than 911.

B. The College has developed a document entitled “Contractor Health & Safety Guidelines”

which is available on-line and is for general reference only. http://www.amherst.edu/~ehs/programs/contractor_safety/ The Contractor is responsible for being familiar with and complying with the provisions in this document.

1.4 Traffic Control

A. When construction work affects public roads, the Contractor is responsible for coordinating details with the Town of Amherst Police and shall provide appropriate staff for the detail.

B. Disruption of traffic on campus (private) roads must be coordinated with and approved

by ACPM at least 5 days prior to the event.

1.5 Contractor Parking

A. Contractor parking on campus is limited to areas approved in advance by ACPM and generally will NOT be at the construction site. The Contractor is responsible for coordinating transportation between remote parking lots and the job site if desirable. All vehicles must have a campus parking permit properly displayed (no charge from Campus Police.) Those without a current permit will be ticketed and/or towed. The Contractor will monitor the designated parking areas and will maintain these areas free of rubbish or other debris.

B. When walking between parking areas and job sites, Contractors should avoid taking

shortcuts through residential areas of campus.


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1.6 Federal and State Taxes

A. The College has tax exempt status from Federal Excise and Commonwealth of Massachusetts Sales taxes. A copy of the current tax exempt certificate should be obtained from ACPM. The Contractor will ensure that all vendors on the Project are aware of this status.

1.7 Contractor Conduct

A. Students, faculty, staff and visitors of Amherst College are not to be disturbed or disrupted from their normal activities and construction employees are to refrain from making unwanted comments. This is a zero-tolerance policy. A single incidence of inappropriate behavior will result in that worker’s permanent removal from the project.

B. Workers are to stay within limits of the Project area to the extent possible. No use of

campus facilities including restroom and restaurant facilities is permissible unless directly related to the Project or agreed to by ACPM.

C. Contractors are prohibited from allowing employees who have been convicted of violent

crimes or who have outstanding criminal warrants to work on campus. D. Contractors who employ Work-Release persons shall furnish Campus Police with the

names of those individuals in advance. F. Contractors and employees shall obey all rules and regulations of Amherst College when

they are on College property. 1.8 Identification and Building Access

A. All Contractors and employees shall carry appropriate personal identification when on

campus. All persons working in occupied buildings shall wear clearly marked company affiliation such as a labeled shirt or hat or a company badge. The responsible supervisors for any group of workers shall wear a current Amherst College contractor photo ID badge (no cost, provided through Physical Plant.)

B. ALL persons working in occupied dormitories shall wear a current Amherst College

contractor photo ID badge. Access shall be strictly coordinated with ACPM. C. Issuance of keys for access to specific buildings is through Campus Police and must be

approved in advance by ACPM. A current College contractor photo ID badge is required to pick up keys. Keys are issued on a daily basis and must be returned at the end of each working day.


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APPENDIX B – AMHERST COLLEGE GUIDELINES FOR LAUNDRY ROOM DESIGN General Responsibilities Mac-Gray Services, Inc. is the Amherst College laundry service provider. The following specifications and recommendations are being provided to in the proper design of Amherst College laundry rooms. Detailed machine specification sheets as written by the manufacturer are available from your account rep or can be printed from Maytag’s website at: http://www.maytagcommerciallaundry.com Laundry Rooms When designing residence hall laundry facilities, it is best to have one central laundry room to serve the entire building rather than separate laundry rooms on individual floors. Although individual rooms may appear to be more convenient, our experience has been that a central laundry room in which several machines are located will better serve the residents’ laundering needs. Equipment Ratios The proper ratio of laundry equipment to resident students is one washer and one dryer for every 30 resident students. This ratio is a guideline for planning purposes not an absolute. Confirm actual ratios with Amherst College project manager (ACPM). Washing Machines The dimensions of a top-load washer are 25.5 “ wide, 43.625” tall, and 26.75” deep. Check with ACPM to determine if front-load washers are in use. Each washer needs its own 120-volt, 3-prong grounded electrical outlet on its own 15-amp circuit. Each washer needs its own hot and cold water supply connections and a 2” standpipe drain with a proper trap. The use of Simmons values is discouraged. Each individual water supply connection should have its own shut-off valve. When possible, the supply pipes to the entire laundry room should have ball valve shut-offs easily accessible through an access panel. Also a floor drain located near the washing machines is recommended especially when the laundry room is located on floors higher than the basement. At least 6” of clearance should be allowed between the back of the washers and the wall. Dryers The dimensions of a single dryer are 27” wide, 43.625” tall, and 28.5” deep. The dimensions of a stack dryer unit are 27” wide, 71.5” tall, and 27.5” deep. Electric dryers run on either:

a) a 240 volt, 3-prong dryer receptacle (NEMA configuration 10-30P), or b) a 208 volt, 4-prong dryer receptacle (NEMA configuration 14-30P).

Regardless of voltage, each electric dryer pocket (1 pocket per single dryer and 2 pockets per stack dryer) needs to be on its own 30-amp circuit.


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Dryer Vents Whenever possible, laundry rooms should be situated in a room that abuts an outside wall. This is to allow for the shortest run of the dryer vent pipes to the outside of the building. Each dryer pocket should have its own 4” rigid metal vent pipe that runs the shortest and straightest distance to an outside wall utilizing the least amount of 90-degree angles as possible. It is the responsibility of the general contract to provide a 4” rigid vent pipe in the laundry room for each dryer pocket. It is Mac-Gray’s responsibility to bridge the gap between the back of the dryer and the vent pipe that is provided. Venting multiple dryers into a common vent pipe or junction box should be avoided. Venting dryers into a vertical pipe that runs to the roof of a building is the least desired vent configuration. When using a shared vent pipe is unavoidable, two vent pipes should always join at 45-degree (not 90) angles. Whenever multiple dryers are vented into a common pipe (due to no other options) an in-line, electric booster fan may need to be installed to insure a proper draft is created. These fans are provided as part of the general contract. The College is responsible for the maintenance and cleaning of any vent ducts that are larger than 4” in diameter and/or are a permanent fixture of the building in which the vent pipes run throughout the walls of the building. All vent ducts should have clean-out access panels that are easily accessible. Other than the lint traps that are provided in the dryers themselves, the installation of additional lint traps and/or screens within the ventilation system is strongly discouraged. The use of flexible plastic vent pipes will be avoided. Make-up Air The building code requires a laundry room to contain a ventilation system that supplies fresh air to the room to replace any air consumed by the dryers. The capacity of this system depends on the size of the room and the number of dryers in service. The amount of air consumed by the dryers can be found on the machine specification sheets. See Maytag web site: http://www.maytagcommerciallaundry.com It is preferred to have a “smart” make up system that varies amount of make=up air based on number of dryers running. Machine Spacing Although washers and dryers can be situated directly up against one another, when designing a laundry room it is always best to leave a few inches between each machine. A properly leveled machine will not “walk” across the floor when in cycle. Whenever machines with front-opening doors are situation opposite one another, approximately 5 feet should be allowed between the fronts of the machines. This allows 23” for each door opened at a 90-degree angle to the machine with an additional 14” of space between the two doors when opened opposite each other.


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Card Systems The card system used by Amherst College is a magnetic stripe card in which laundry machines are controlled by a single gang controller box known as an LCU (Laundry Controller Unit). Magnetic stripe card systems are networked to the Colleges mainframe system via an Ethernet cable. Power Requirements for the Card Reader System The following are requirements of the general contract:

120-volt power to the location of the power supply. One 1” EMT power conduit is required between the power source and the LCU . The LCU is located as to meet all accessibility requirements and reach ranges. The power supply is to be located above the finished ceiling directly above the LCU. Both LCU and power supply are provided by the Amherst College vendor separately from the

general contract. All electrical power is required to be hardwired, no outlets The Power provided to the power supply should be provided through a tamper proof on / off safety

switch for technician service. This switch shall be key switch mounted on the wall 6” +- above the card reader.

All conduit, power supplies and associated wiring shall be concealed. All conduits shall be installed with pull strings for additional out of contract work

Data requirements for the Card Reader System The following are requirements of the general contract:

One 2” EMT conduit is required between the LCU and the MDF room. One 1” EMT conduit is also required between the LCU and each washer and each dryer. All conduit, power supplies and associated wiring shall be concealed. All conduits shall be installed with pull strings for additional out of contract work


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APPENDIX C – AMHERST COLLEGE SUSTAINABILITY GUIDELINES At the start of each project the A/E, in consultation with the ACPM shall develop a matrix that delineates potential sustainability initiatives for incorporation into the project. The matrix shall indicate the pros and cons of each initiative and shall include anticipated cost premiums, and projected payback periods. The purpose of the matrix shall be to aid the design team and the College in determining which sustainability initiatives are appropriate for the project. A sample matrix is attached for reference.