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MPS Master SECTION 11 61 33

THEATRICAL RIGGING SYSTEMS AND CONTROLS

PART - GENERAL

RELATED DOCUMENTS

Drawings and general provisions of Contract and Supplementary Conditions and Section 01 Specification Sections, apply to this section.

SUMMARY

The work in this section includes Theatrical Rigging (TR) systems, drapery and equipment as shown in the Design and on the Drawings.

Drapery

2. Prepare hanging points for the video screen

3. Provide all material, components, accessories and services required to provide the work as specified herein, elsewhere in the Contract Documents and/or as shown on related Drawings.

4. Consult and coordinate with other affected work and contractors throughout the course of the work contained herein.

5. Special consideration should be given to the examination of existing conditions as described herein.

6. Training

Work Results

The equipment installed as part of this section shall result in a complete and working theatrical rigging system, properly coordinated to accommodate all equipment.

2. Provide fully coordinated and engineered equipment, installation, supervision and commissioning for the major systems and associated accessories as required for the space.

3. Provide coordination of conduit, back boxes and AC power wiring provided by

Section 26 Electrical Contractor to ensure proper placement within the rigging system.

4. Provide all material, components, accessories and services required to provide the work as specified herein, elsewhere in the project documents and/or as shown on related drawings.

Delegated Design

11 61 33 - 1Theatrical Rigging Systems


Provide design for the means of fastening, suspension and support of the work of this section. Provide drawings and calculations meeting the review requirements of the authorities having jurisdiction, stamped and wet signed by a Professional Engineer licensed in the project jurisdiction for work of the specific type performed.

2. Engineered drawings shall be provided to the Architect and consultant for review of coordination and compliance to this section.

3. Engineered drawings shall be provided to the structural engineer of record for this facility. The engineer of record will review the loads imposed on the structure by this equipment and compare those loads to allowable structural loading.

4. Engineered drawings shall be provided to the Authority Having Jurisdiction for this facility. The AHJ will review the drawings for compliance with local codes. In all cases code compliance is the responsibility of the contractor providing the work of this section.

5. Provide all material, components, accessories and services required to provide the work as specified herein, elsewhere in the Contract Documents and/or as shown on related Drawings.

6. Refer to the ‘TR’ series drawings.

Products Supplied But Not Installed Under This Section

Not Used.

E. Related Sections

1. All drawings including General Construction, Structural, Theatrical, Mechanical, and Electrical, and General Conditions of the contract, including Supplemental Provisions and Section 01 Specifications Sections, apply to this section.

2. Coordinate with all related sections of the specifications including, but not limited to:

a. Equipment attachment backing, reinforcement and support.b. Concrete

1) Fastener requirements.c. Masonry

1) Fastener requirements.d. Metals

1) Structural steel supporting the work of this section.e. Fire Protection

1) Coordination with sprinkler work.f. Finishes

1) Walls and floors.g. Theatrical Lighting Control



1) Location and mounting of Junction boxes which feed theatrical lighting devices must be coordinated as part of the work of this section.

h. Section 26 – Electrical 1) All required conduit, wiring, back boxes, termination as required for a

complete electrical installation shall be under Section 26 - Electrical work with the direct onsite supervision of the Contractor for this section of work. Section 26 -Electrical to provide miscellaneous hardware as required for proper installation of each component.

a) Basic Electrical Materials & Methodsb) Groundingc) Wiring Methodsd) Conductors and Cablese) Conduit and Tubingf) Boxesg) Wiring Devicesh) Transformersi) Circuit and Motor Disconnectsj) Distribution Panelboardsk) Branch Circuit Panelboards

F. Alternates

1. Not used

G. Substitutions

1. All requests for variations from the specified materials and products will be reviewed by the Architect and Theatre consultant according to the procedures outlined in Section 01.

2. All requests for substitutions must be submitted in a timely manner, so as not to adversely impact the project schedule.

3. Substitutions will only be accepted if, in the opinion of the Architect and Theatre Consultant, the product is an equal to the specified product. No substitutions may be made without written acceptance from the Architect and Theatre Consultant. All substitutions made prior to this acceptance are at the sole risk of the Contractor.

4. A substitution must be a product of equal design, construction and performance. The Contractor must submit all pertinent information required to substantiate that the product is equal. The Contractor must submit all additional information, including test data, which may be requested by the Architect and Theatre Consultant to fully evaluate the substitution. The burden of proof is solely on the Contractor.

5. All additional expenses of any kind with respect to substitution(s) shall be borne by the Contractor. This shall include, but not be limited to, all fees and expenses incurred by the Architect and other related Consultants for evaluation of the substitution and subsequent integration into the project



should the substitution be taken and/or additional costs of other contractors related to the substitution(s).

REFERENCES

References to code, standards, specifications and recommendations of technical societies, trade organizations and governmental agencies will refer to the latest edition of such publications adopted and published prior to submittal of the bid. All such codes and standards will be considered a part of this specification as if they were fully included herein.

B. If an applicable code or standard permits work of lesser quality or extent than this specification, then this specification and the related Drawings will govern.

C. Comply with prevailing local codes, standards, and applicable Underwriters Laboratory standards.

D. Comply with national, state and local labor regulations and requirements.

1.04 DEFINITIONS

A. In all cases where a device or a part of equipment is referred to in a singular manner within the contract documents, it is intended that such a reference shall include all devices required to complete the installation in accordance with the project documents.

B. “Architect”: All references to the “Architect” will refer to the process by which the indicated action or decision regarding the work in this section will be administered. All such actions shall be initiated with or by the Project Architect, who will disseminate all pertinent information and documents to, as well as coordinate all efforts and site visits with, the Theatre Consultant and all other project consultants who may have design responsibility relating to the work in this section.

C. Theatre Consultant will be party to all actions and decisions regarding the work in this section.

D. “Other Project Consultants”: Acoustical Consultant, Electrical Engineer, Structural Engineer, or Mechanical Engineer as is applicable to a particular issue.

E. “Contractor”: Specialty contractor/manufacturer for the work contained in this section only. Contractors involved with other portions of the work shall be indicated with a specific trade preceding the word “Contractor” (i.e. General, Electrical, etc.).

F. "Owner": Authorized personnel representing Minneapolis Public Schools.

G. “Furnish”: Purchase and/or fabricate and deliver to project site.

H. “Install”: Physically install the items in their proper location(s) on the project site.

I. “Provide”: Furnish and install complete, functioning and complete with all



necessary accessories (CWANA).

1.05 SYSTEM DESCRIPTION

1. The rigging systems shall include provisions for hanging of theatrical lighting fixtures, drapery and scenery in the location detailed in the drawings.

2. The existing rigging system components and drapery will be removed and stored for possible reuse. Rigging components which are not damaged and which, when reinstalled, will function as new can be reused. (exception – all drapery carriers, operating line and pulleys shall be replaced)

3. A new, more flexible, rigging mounting system will be installed as detailed in the drawings

4. Draperies

a. The Auditorium will be provided with a basic complement of new theatrical draperies, which will include a decorative main border, decorative main curtain for bi-part manual operation, black masking curtains. Configurations will be variable but a basic hang is shown in the Drawings. The contractor of this section shall be responsible for providing these draperies.

1) The main curtain shall be lined to provide durability and maximum opacity, and will have fullness sewn in.

2) Masking draperies shall be sewn flat for tie-in fullness capability.

1.06 SUBMITTALS

A. Structural performance for this system must be fully documented under the direct supervision of a Structural Licensed Professional Engineer licensed in the State of Minnesota. The contractors engineer shall design and/or select all elements and their connections to meet or exceed the Code in force at the time of the installation.

a. Documentation must include certified calculations by a structural licensed professional engineer in the State of Minnesota

b. Calculations must be provided for all bolted or welded connections, within system components as well as between system components and building structure

c. Where standard components are used manufactures engineering data shall be provided to supplement engineered calculations.

d. The Contractor shall provide certified calculations of all system design loads and structural accommodations not indicated on the drawings. The Contractor shall supply to the Architect all system engineering documents and information within 60 days of contract award.

B. Provide full insurance against loss or damage during shipment. Furnish certifications of such coverage to the Architect within 30 calendar days of contract award.



C. All submittals shall leave a 3” by 3” space available for review stamps and comments.

D. All cast iron elements taking load shall be fabricated in accordance with the appropriate Section.

E. Submittals must contain verified field dimensions and must be submitted for review and acceptance prior to proceeding with the fabrication of the work in this section. The architect shall only mark one set of reproducible per submittal with comments. Any additional sets of drawings or product data shall be returned unmarked.

F. Review all pertinent project Electrical and Theatrical series drawings. Following this review, provide to the Architect and Contractor any additional information required to make a fully functioning system. In addition, the Contractor shall confirm that all systems components are compatible with conduit sizes and wire gauge sizes as shown in the drawings and that the interconnectivity of components is as required to make a fully functioning system. This confirmation shall be in writing within 30 calendar days of contract award. All costs associated with additions to the scope of the electrical work because of insufficient wire count and/or sizes after this confirmation shall be borne by the Manufacturer/Contractor herein.

G. Project Manager: Provide the name and position of the Contractor’s Project Manager. This Project Manager shall be the key contact person between the Architect, District and the Contractor during the entire course of the project. The contractor’s project manager shall remain the same for the duration of the project.

H. Product Data: Submit catalog or standard data sheets for component parts as part of the shop drawing submittal. The data shall include all information, which indicates compliance with the specifications herein. Clearly indicate the manufacturer of each component and part.

a. If any work is required to be specially tested or approved, whether by the Minneapolis Public School District’s instructions or by any laws, ordinance or any public authority, the Installing Contractor shall give the General Contractor and District timely notice of its readiness for inspections, and of dates of inspections to be made by appropriate authorities.

I. Shop Drawings

a. All shop drawings to be prepared under the supervision of a Structural Licensed Professional Engineer licensed in the State of Minnesota. The drawings must include the engineer’s stamp, which is recognized in the city and state in which the project is taking place.

b. The Contractor shall provide certified calculations of all system design loads and structural accommodations not indicated on the drawings. The Contractor shall supply to the Architect all system engineering documents and information within 60 days of contract award.

c. All Shop Drawings shall be Sheet Size B or larger, but in no case shall



sheet size vary once chosen.d. Provide ¼” = 1’- 0” plans of all locations which contain equipment in this

contract based upon the current version of AutoCAD. Show all equipment properly located, dimensioned, and labeled. Note all work by others in the vicinity, which may affect work in this contract.

e. Include a cover sheet with a drawing index including the sheet number and title for each sheet in the set.

f. Provide an inventory of all equipment to be supplied, including quantities, manufacturer’s part number, reference to applicable drawings, etc.

1) Provide a separate equipment inventory list of all miscellaneous rigging equipment which is supplied but not installed. This inventory shall be used as a checklist for final acceptance of this equipment.

g. Provide complete, fully dimensioned, large-scale detailed fabrication drawings of all major components.

h. Provide requisite schematics, plans and sections indicating assembly and installation of components.

i. Provide indications by arrow and boxed caption of all variations from contract drawings and specifications, except where variation is indicated as acceptable.

j. For any electrical devices provided under this section, provide detailed riser diagrams and installation circuit diagrams indicating all control requirements and point to point connections within 30 days of Contract Award. Show all required high and low voltage wire sizes and wire counts between all components. Show line voltage power input required by systems components which shall be provided under Section 26.

J. Samples: Submit samples for approval within 14 days of written request. These items may include, but are not limited to:

a. Drapery Samplesb. Samples of standard basic rigging components, and hardware if requested

by the Architect.c. Verify samples for color and materials.

K. Installation Instructions:

a. Supply installation instructions for all items furnished in this section, as reviewed and approved with shop drawings, to Electrical Contractor and General Contractor. Such instructions shall be fully coordinated with trades doing adjoining work and with site conditions. Instructions shall include inter equipment connection diagrams with terminal designations.

b. Provide information to the General Contractor which details any temporary loads imposed on the building; these include scaffolding loads, machinery loads, rigging loads, etc.

L. Installation Inspection Reports:

a. Supply reports confirming that all elements of installation by Section 26 conform to requirements of the Theatrical Rigging System as engineered,



and specified herein. Submit these reports to the Architect at times required by the Schedule of Submittals.

b. If conditions exist that are contrary to proper installation of the Theatrical Rigging System, directly inform Contractor, Architect, and Theatre Consultant of discrepancies. Failure to inform the Contractor shall constitute acceptance of installation and place responsibility for any revisions or additions necessary to properly install work of this section, with the Manufacturer.

M. Project Schedule

a. The Contractor shall submit a project schedule (critical path) at the time of contract negotiation, which shall indicate coordinated functions with other trades and project requirements.

N. Project Record Documents:

a. Submit documents in accordance with Section 01.b. At the time of compliance testing, submit three bound copies of parts lists

and operations/maintenance instruction sheets.c. Within 60 days of the compliance testing, submit one set of reproducible

“as built and approved” drawings showing all equipment as installed. These drawings shall include all adjustments made during the checkout process.

d. Submit operation and maintenance manuals with the “as built and approved” drawings. Each manual shall be bound in an individual binder with the project name on the front cover and system identification on the spine. The manuals shall include:

1) Complete parts list for all equipment and telephone numbers for the authorized parts and service distributors.

2) Instructions as to the safe operation for all equipment.3) Recommended maintenance schedule for component parts that may

need periodic replacement.4) Recommendations for cleaning, maintaining and touch-up of all

finished surfaces.

e. Warranties as required.f. Where specific elements do not require manuals, instruction sheets as to

care and handling shall be provided.g. The record documents shall be reviewed by the architect and theatre

Consultant, all modifications to the documents stemming from this review shall be made as required.

h. Above submissions are required as a condition for final approval of the work.

O. Closeout Submittals

a. Written verification that all punch list items have been rectified will be required for project closeout and initiation of the warranty period.

b. See Section 01 for additional requirements.



1.07 QUALITY ASSURANCE

A. Qualifications

1. The Contractor must have been engaged in the fabrication and installation of equipment of the type indicated herein for no less than 5 full years.

2. All equipment and installation of the work in this section shall be the responsibility of the single Contractor, who shall own and operate their own shop for the fabrication of theatrical rigging equipment, and be regularly engaged in the fabrication of such equipment. Fabrication of such equipment shall comprise no less than 90% of the Contractor’s business in the theatrical rigging Section.

3. The Contractor shall have, at time of bid, a current Contractors License for the local of this project. This license shall be maintained throughout the course of work of this Contract.

4. Contractor shall be responsible for proper installation, operation and safety of all components equipment. Motors, control elements and other component equipment must be procured as specified. Non-specified items may be procured from any nationally recognized manufacturer.

5. Metalworking may be done by others. Responsibility in all respects shall be that of the Contractor.

6. The Contractor shall verify all system design loads.

B. Pre-installation Meetings

1. Reference Section 01– General Requirements for pre-installation meeting requirements.

C. State of the Art Development

1. The successful Contractor shall furnish only the latest developed appropriate product. In cases where product development from a specified manufacturer surpasses the criteria of this specification, the Contractor shall inform the Architect and make the newer product available to the project. In no case shall discontinued or obsolete equipment be acceptable. Should a newer product be suggested as a substitution for a discontinued product, or for a product that is in process of being phased out of production, that newer product shall be offered to the Owner at no additional cost.

2. Should product recall by the Manufacturer require temporary or permanent replacement of a product specified under this section, the Contractor shall notify the Owner at the earliest reasonable time and shall arrange to replace the product in question at the earliest possible time.

3. Equipment found defective or subject to recall prior to scheduled installation



shall not be delivered to the jobsite.

4. Equipment defect or intended recall shall not relieve the Contractor from his contractual obligation with regard to delivery schedule of product. In this circumstance, notification shall be made to the Architect by telegram or express carrier. Arrangement for alternate product shall be made at this time.

5. Under no circumstances shall arrangement for alternate product necessarily require the Owner to accept superseded equipment except on a temporary basis.

1.08 DELIVERY, STORAGE, AND HANDLING

A. Delivery, storage and handling shall be coordinated with the Construction Manager and shall meet all requirements described in Section 01.

B. Packing, Shipping, Handling, and Unloading

1. All equipment shall be appropriately and substantially packed for shipment.

2. All equipment containers shall clearly indicate the equipment contained, “front”, “top”, “fragile”, the project name, and theatre site allocation. Include packing and shipping lists for each container.

3. All shipping costs to the job site are the responsibility of the Contractor. The shipping method/company is at the total discretion of the Contractor in order to meet the published project schedules.

C. Acceptance at Site

1. Coordinate responsibility for acceptance of material and equipment at job site with the Contractor. MPS employees will not receive/sign for/or accept deliveries.

2. The Theatrical Rigging Contractor shall be responsible for acceptance of the Rigging System components at the jobsite, confirming that all quantities and counts are correct and for keeping accurate logs and records of such information.

D. Storage and Protections

1. Upon delivery, the materials shall be stored under cover in a dry and clean location, off the ground. Delivered materials which are damaged or otherwise not suitable for installation shall be removed from the job site and replaced with acceptable materials.

2. Replace, at no additional cost to the Owner, all equipment and materials which are damaged during storage or handling.

1.09 PROJECT CONDITIONS



A. Existing Conditions

1. Verify all conditions at job site. Promptly report variations and obstructions to the Architect. All additions and or corrections are to be requested prior to fabrications.

2. Prior to start of equipment fabrication, the Contractor shall visit the site and notify the Owner, in writing, of any conditions that are inconsistent with the contract documents or require modification to the system or any components thereof as designed and documented due to existing or new site conditions. The Owner may consider that the contractor considers the documents and conditions acceptable by the Contractor in the absence of written notice.

3. Prior to start of installation, the Contractor shall visit the site and notify the Owner, in writing, of any conditions that are inappropriate or unsafe for an efficient installation. The Owner may consider conditions acceptable by the Contractor in the absence of written notice.

B. Field Measurements

1. Field measurements shall be taken prior to preparation of shop drawings to ensure proper fitting of work. Allow for adjustments during installation whenever taking field measurements.

2. Should field measurement of site conditions alter the design or installation of system elements from the approved shop drawings, revised shop drawings shall be reissued for review.

1.10 SEQUENCING AND SCHEDULING

A. The installation of the equipment in this section shall begin following the completion of work which may be in conflict with the installation including:

1. Demolition of existing ceilings, walls and architectural finishes

2. Demolition of existing electrical infrastructure.

3. Removal of existing ductwork as needed to properly install the work of this section.

B. Finish, electrical, mechanical and fire protection work in related work areas.

1.11 WARRANTY

A. The Contractor shall warrant materials and workmanship of systems and equipment installed as free of defects. The Contractor shall guarantee in writing the repair or replacement within 14 days of any item found defective during a period of 1-year following date of final acceptance. Ordinary wear and defects due to improper usage are not covered by this warranty.

B. During the warranty period, all emergency conditions where systems failures may



be hazardous or may cause severe hardship or cancellation of performances shall be responded to within 24 hours. Immediate action shall be undertaken to ensure the safety of the audience and the performers.

C. Refer to Section 01 – General Requirements.

1.12 SYSTEM START UP, OWNER’S INSTRUCTION, AND COMMISSIONING

A. Operation Instruction:

1. Following the equipment demonstration, inspection and final adjustments, the Owner’s designated staff or representatives shall be instructed in the use, care and maintenance of all items.

2. Deliver all copies of approved Operations Manual to Owner prior to first instruction session, and review it as part of that session.

3. Provide in-depth training of the user’s staff in the operation and maintenance of all systems included herein.

4. Provide 8 hours of staff training on the basic safety in the use of the systems as well as the handling of mechanical elements including rope line rigging.

5. All training shall be by technical staff of Theatrical Rigging System Contractor.

1.13 MAINTENANCE

A. Extra Materials

1. Not Used.

B. Maintenance Services

1. One year following date of final acceptance, a factory engineer shall be provided to examine, adjust and repair the equipment included in this sections as required. This service shall not cover adjustments, repairs or replacement of parts due to negligence, misuse, abuse or accidents caused by persons other than the Contractor. All labor and materials which are required to perform this service shall meet or exceed these specifications and shall not compromise the performance of the equipment in any way.

2. Following this inspection and maintenance service, the Manufacturer shall provide the Owner and Theatre Consultant with a written report itemizing the results of the inspections and the warranty work, which was conducted. The Manufacturer shall also include in this written report recommendations for any corrective actions which the Manufacturer feels should be taken, with respect to the equipment included in this section, but are outside the scope of the warranty agreement.

PART - PRODUCTS



CONTRACTORS

The systems described herein shall be provided by a Theatrical Rigging Contractor who will be responsible for furnishing all services described herein including but not limited to coordination and supervision of the engineering, shop drawings, fabrication and provision for all systems specified herein and shown in the drawings.

B. Acceptable Contractors: To establish comparative standards of quality the provision of the equipment and services of this section shall be one of the following contractors or Owner approved equal prior to bid:

Gopher Stage Lighting4141 Cedar Ave SouthMinneapolis, MN 55407Phone: 612.871.0138

Norcostco825 Rhode Island Ave. SouthMinneapolis, MN 55426Phone: 763-544-0601

SECOA109th Ave NorthChamplin, MN 55316Phone: 763-506-8800

LVH Entertainment Systems 1600 Maxwell Drive, Suite 5 Hudson, WI 54016

Phone: 715-377-7534

C. Any other contractor who wishes to bid must submit qualification information to the Architect and Theatre Consultant. Proposal shall include all of the information listed below.

1. Submit the following additional information with proposal:

a. Statements of financial responsibility for past five fiscal years showing assets and liabilities.

b. List of principal officers and design and service engineers in an organizational structure flow chart.

c. List of not less than 5 projects of similar size and scope completed within the five years on which contractor has provided full services: product engineering, shop drawings, manufacture, installation and commissioning. In each instance, indicate specifics of scope of fabrication and installation. Include a contact list: name, address and phone numbers of person(s) directly responsible for operation and maintenance of equipment in each facility.

d. List of current projects and approximate contract value and completion dates. Include list of names, phone numbers and addresses of owner,



owner's representatives and architect.e. For each above described project, list of names of persons who supervised

preparation of shop drawings, manufacture of components, and installation of equipment.

f. List of names of persons who would do project management, product engineering, supervision of shop drawing, supervision of installation should this contract be awarded.

g. Contract Bond Company information indicating that Contractor has bonding capacity for full duration of project. Include list of other bonded projects coinciding with this project.

h. Evidence of ability to undertake custom product engineering to meet specific requirements of project specifications. Provide sample project engineering drawings for custom products and contact information for facility operators where those products have been installed.

2. Standards of acceptance:

a. Contractor must have been engaged in the manufacture and installation of theatrical rigging systems for a minimum of five years and maintain its own facility and staff for this purpose.

b. Contractor must have a minimum of five projects of similar size and scope within the past five years.

c. Ability to undertake the work within the time available, judged against other currently contracted work.

d. Ability to meet specifications and project requirements.

2.02 MATERIALS

A. In all cases where a device or a part of equipment is referred to in a singular manner within the Contract Documents, it is intended that such a reference shall include all devices required to complete the installation in accordance with the Contract Documents.

B. All equipment and components shall be new and complete. No used or reconditioned equipment shall be acceptable unless otherwise noted.

C. All mounting hardware to be included.

D. All equipment and components shall be factory tested prior to shipping.

E. All bolts and fasteners must be Grade 5 or better.

1. All bolted attachments to have nylon-insert locknuts, lock washers, or other self-locking fasteners.

2. Ceiling concrete anchors shall be epoxy chemical anchors or Owner approved equal.

F. All cast iron elements taking load (e.g. sheaves, rope locks, tension blocks, etc.) shall be minimally of #30 grey iron and shall be certified to have been cast according to ASTM standards. Cast elements are to be foundry tested for cracks



and casting flaws or provide foundry certification of casting process. Testing certificates are to be made available on request.

G. All internal wiring shall be factory completed and clearly marked. All field connections shall be by compression connector, terminal strip or other device specified herein. Any terminal strip connections shall be clearly labeled as to terminal designation. Wire nut splices not permitted.

H. All wire sizes and insulation to comply with Underwriters Laboratory and all applicable standards, local codes and standards.

I. All wiring to be harnessed and bound. No loose or randomly routed wires shall be permitted.

J. All overhead rigging elements including but not limited to mounting hardware, wire rope, wire rope fittings, and shackles to be designed with a mechanical safety factor of 8X of their rated breaking strength.

K. All drive components shall be designed with a safety factor 3X.

L. Bearings shall be designed with a 2X rating, full speed / 2000 hours.

M. Draperies

1. The contractor is obligated to inspect all fabric purchased for drapery construction prior to layout, cutting and sewing. Commencement of work using yard goods shall imply the assumption of all responsibility for the fitness and merchantability of these yard goods and their use for stage draperies. Should the following standards of quality not be met, in the judgment of the Architect and Theatre Consultant upon inspection of the finished draperies, all costs for replacement of draperies deemed non-compliant with the specifications shall be at the Contractor’s cost, including all component materials, labor for construction of replacement draperies, shipping, re-hanging and re-inspection by the Architect and Theatre Consultant.

2. In all cases, fabrics are to be “first quality”. In no case shall “seconds” or re-dyed fabric be acceptable.

3. Velour fabric shall be free of crush marks, nap irregularities, and other abnormal markings.

4. Fabrics shall be vat-dyed with no variation of color or pigment impregnation. There shall be no evidence of streaking or color variation. Verification of fabric quality is the responsibility of the fabricator prior to sewing.

5. All fabrics to be inherently flame-retardant “IFR” velour. No cotton velour with chemical flame-proofing shall be allowed.

6. IFR velour shall have flameproof characteristics conforming to local, state and national codes. Affidavits from fabric manufacturer, jobber or other agent attesting to flame resistant status of the fabrics and its composition must



accompany drapery upon delivery. Duplicate copies to be sewn to the upper edge in the offstage corner of each piece of drapery goods. Provide 24" square cutaway sample of drapery fabric sewn adjacent to flame retardant certification on rear for use in Fire Marshall testing.

2.03 PRE AND POST WORK

A. The contractor of this section shall remove and store all of the existing drapery, rigging components and projection screen in a clean dry storage facility before construction begins.

B. At the conclusion of this project existing drapery and some existing rigging components shall be turned over to the owner for possible reuse. The equipment returned to the owner must be appropriately packaged for storage.

2.04 RIGGING SUPPORT STRUCTURE

A. Provide continuous Up Stage/Down Stage support structure for specified rigging equipment as well as the ability to install rigging components in the future as detailed in the drawings. This support structure shall be attached to the ceiling using an approved fasting method as required to support the loads as indicated in the drawings.

1. Unistrut channel with appropriate loading capacity or Owner approved equal

2.05 RIGGING COMPONENTS

A. General

1. All components shall be industry standard theatrical rigging components including malleable eye bolts, 2 bolt pipe clamps, proof coil chain, rated shackles, etc. No custom hardware shall be provided without prior written permission.

2. Pipe battens shall be provided for each line set. Provided traveler tracks to be attached to a pipe batten. No track shall be supported directly from the support structure.

B. Pipe Batten

1. The pipe batten shall be I½” (1.9” OD.) schedule 40 grade A, seamless pipe fabricated in the largest possible lengths without splices, typically 21’-0” long.

2. Battens longer than a single length of pipe length shall be spliced by means of .120 x 1 9/16 dia. DOM tube 18” long with 9” of tube inserted into each half of the splice.

3. The tight fitting splice tube shall be held in place by a pair of 3/8 x 2 ½” grade 5 hex bolts on each side of the joint. The bolts shall pass through the pipe at an angle of 90° to each other. There shall be two bolts on each side of the joint spaced 1” and 7” from the joint. Alternatively, one pair of bolts on one



side of the joint may be replaced with either plug welds or tight fitting steel rivets.

4. Pipes shall be straight, primed and painted flat black.

5. A safety-yellow vinyl batten cap shall be installed at each end of each pipe batten.

2.06 TRAVELER TRACK

A. Provide tracks for the traveler curtains, as indicated on Drawings and schedules. Complete with all necessary accessories (CWANA).

B. Line Operated Straight Traveler Track Assemblies:

C. Track:

1. Track to be heavy-duty channel type, approximately 3" x 3", 14 gauge steel or extruded aluminum formed to provide parallel double tracks for carrier wheels and totally enclosed except for bottom carrier slot.

2. Traveler tracks to be in 2 sections, with 2'- 0" combined center overlap, fitted for manual line operation.

3. Each half of double-section traveler track assemblies to be single piece, free of burrs, dents or irregularities. Halves clamped together by at least 3 lap clamps.

4. Hanger fittings and clamps for attachment spaced at 4'-0" on center maximum.

D. Carriers:

1. Two master carriers for each double-section traveler track. Each with 4 paired neoprene wheels with ball bearings.

2. Master carriers to have 2 clamps for attachment of operating line and 2 plated swivels with 6" of usable trim chains for curtain attachment.

3. Single carriers to have 2 neoprene wheels with ball bearing with "hollow center" design to bypass the operating line.

4. Each single carrier to have single plated swivels with 6" of usable trim chain.

5. One single carrier for each 1'-0" of track length.

6. Provide end stacking (rear fold, back pack) devices to stack drapery only at offstage track ends. Provide rubber washers to packing tabs.

E. Traveler Track Pulley Blocks:



1. End pulley blocks heavy-duty type with 8" sheaves turned and grooved for 1/2" operating line. Dead end pulley shall be 8” diameter. Double vertical sheaves on the live end of the tracks; a single horizontal sheave on the dead end. Housings firmly bolted to the track.

2. Floor pulley blocks to have 8" sheaves with sealed ball bearings. Sheaves mounted to slide vertically and clamp in a steel frame with full side plates of sufficient height to permit 9" tension and adjustment of operating line. Base drilled for 2 improved stage screws for floor mounting. Provide 2 improved stage screws and plugs.

3. All blocks to provide for positive retention of operating cords in grooves of sheaves.

F. Traveler Operating Hand Lines:

1. Each hand line to be a single length, first quality, 1/2" diameter, fiberglass center, braided cotton cord.

2. Rig for curtain operation from the live end of the track.

3. Length of hand line to be adjusted for tension with traveler curtains mounted and trimmed.

G. Manufacturers:

1. ADC #283-R2. H&H #400

2.07 MAIN BORDER AND DRAPERY

A. The face material of the drapery shall meet or exceed the following criteria:

1. 100% polyester Inherently Flame Retardant (IFR) velour.

2. Acceptable products:

a. Rosebrand 22oz. ‘Encore’b. JB Martin 25oz. ‘Dante’

3. The color shall be selected by the Architect from the manufacturer’s standard color choices.

B. Entire drapery shall be continuous, finished with 100% fullness box pleated and sewn down.

C. Box pleats at top shall be 1'-0” O.C. reinforced with heavy weight 3½” jute webbing.

D. Vertical seams to be located so as to be hidden behind pleats



E. Sew with nylon thread. Color to match face material. Thread shall have no apparent sheen with relationship to the velour.

F. Line with black IFR lining fabric. Tack lining to face material by sewing cording between each face material seam and the lining material at 4'-0" on center vertically. Tack lining to face material hem every 4'-0" on center horizontally in a similar fashion.

1. Acceptable Products

a. “Avora Lining” by Rosebrandb. “Poly Chintz” by Rosebrand

G. Main Drapery Construction:

1. Two panels for bi-part action, with continuous border as indicated on drawings.

2. Sew with nylon thread. Color to match face material. Thread shall have no apparent sheen with relationship to the velour.

3. The center edges of each panel faced back with a full width of fabric plus 1'-0” (minimum) and hand-tacked entire height with continuous catch stitching spaced 4” apart, seizing lining and facing material.

4. Offstage edges faced back 6”.

5. Provide a paging handle for the upstage curtain panel of each bi-parting curtain set. The paging handle shall be located on the back face of the onstage side of the panel with the point of attachment located 48” above the bottom of the curtain.

6. Each handle to be fabricated of a 12” loop of velour face material which is sewn around a core of heavy-duty 2” cotton webbing.

7. Each handle to be stitched to the back of the center edge of the panel and seized in the stitching where the face material is turned back. Sewing for the attachment of the handle shall not be visible on the face of the curtain panel

8. Box pleats at top of panels 1'-0” O.C. reinforced with heavy weight 3½” jute webbing. Vertical seams to be located so as to be hidden behind pleats.

9. At center of each pleat on main drape, provide 1” cadmium plated rigid eye snap hook attached by nylon webbing strap sewn and riveted through curtain and jute webbing with two rivets. This assembly shall be centered on the webbing. Provide double layer of jute webbing (3½” square) at snap hook locations.

10. 6” double-turned bottom hems with 0.75 lb per foot weighted tape in a separate pocket inside hem. Continuous chain of equal weight, sewn in, acceptable. Weight pocket to be 1” short of finished hem for house curtain. Ends of weight pockets to be secured with 1½” wide black hook-and-loop



fastener for the full height of the pocket opening.

11. Weights shall be shipped separately from draperies and installed in weight pockets in the field.

12. A pull-line or tape shall be placed within each weight pocket prior to shipping. The pull line shall be provided to facilitate installation of weights in the field.

13. Sizes and quantities as indicated on drawings

2.08 STAGE MASKING: LEGS, BORDERS AND TRAVELERS.

A. The face material of the stage masking curtains shall meet or exceed the following criteria:

1. Provide 100% polyester Inherently Flame Retardant (IFR) velour

2. Acceptable products:

a. Rosebrand 22oz. ‘Encore’b. JB Martin 25oz. ‘Dante’

3. The color of all stage masking draperies shall be black.

B. Each panel finished without fullness. All to be finished without pleats. Widths and grommet spacing permit tie-in of fullness.

C. All legs to be provided in pairs.

D. Sew with nylon thread or cotton thread. Color to match face material. Thread shall have no apparent sheen with relationship to the fabric.

E. Edges of side masking and the off stage edge of traveler panels are to be faced back with 6” of fabric. Edges of borders and tabs with 2” hems. Hand-tack entire height with continuous catch stitching spaced 4” apart.

F. The on stage edge of travelers are to be faced back 6” minimum.

G. Tops reinforced with 3½” jute webbing with #2 black oxide finish brass grommets, 6” O.C.; double grommets at both ends. Center grommets on webbing. Provide double layer of webbing (3½” square) at each grommet at travelers and legs (not required for borders). Masking borders and tabs to be marked with centerline designation on heavy-duty muslin with permanent markings, sewn securely to webbing. 2” high letters minimum. Provide one 2'-0” black #4 cotton braided tie line at each grommet. Center tie line to be white on masking borders and tabs. Finish ends of tie lines to prevent unraveling.

H. Bottoms of all masking to have 6” double-turned hems with 0.75 lb. per foot weighted tape or continuous chain in separate pocket inside hem. Weight pocket to be 1” short of finished hem for full height masking and equal to finished hem for borders. Ends of weight pockets to be secured with 1½” wide black hook-and-loop



fastener for the full height of the pocket opening.

I. Weights shall be shipped separately from draperies and installed in weight pockets in the field.

J. A pull-line or tape shall be placed within each weight pocket prior to shipping. The pull line shall be provided to facilitate installation of weights in the field.

K. Travelers shall be fabricated for bi part operation

L. Sizes and quantities as indicated on drawings.

2.09 DRAPERY “PROTECTIVE” WRAPS

A. Provide one protective wrap for each drape that touches the ground

B. The 5’-0” tall protective wrap shall wrap completely around the drapery section and fasten anywhere in its length using a series of continuous 1 ½” Velcro strips.

C. See drawing for construction

2.10 FINISHES

A. Shop Finishing

1. Machine-finish all operating parts to standard trade tolerance, fits and finishes.

2. The color of all non-moving parts shall be the same as the surrounding ceiling color. Moving parts: festoon and pipe shall be black.

2.11 PREPARE HANG POINTS FOR VIDEO SCREEN

A. The contractor of this section, in conjunction the AV contractor, shall prepare the rigging points and assist the AV contractor in the installation of the projection screen. It is the design intent that the new automated video screen fit between two existing line sets.

1. Provide all necessary equipment to hang the projection screen. Coordinate the location and type of rigging points for the projection screen which will be provided by AV contractor.

2. Coordinate all electrical interconnection to the video screen for proper coordination with the rigging system.

PART 3 - EXECUTION

3.01 INSTALLERS

A. The work on this section shall be installed by an experienced installer in the employ of the Contractor for the equipment in this section.



3.02 EXAMINATION

A. Site Verification of Conditions

1. The Contractor shall examine areas and conditions under which the equipment is to be installed and shall notify the General Contractor in writing of conditions detrimental to proper and timely completion of work. Do not proceed with work until unsatisfactory conditions have been corrected in an acceptable manner.

3.03 ERECTION, INSTALLATION, APPLICATION

1. Install all work in this section in accordance with the Architect’s direction, specifications, approved shop drawings, pertinent Contract Drawings, established trade practices and applicable code requirements.

2. Install all work securely, complete with all bolts, nuts, washers, clips, fittings, supports, and other items required for proper installation and operation.

3. Position all items accurately as indicated on Drawings and true to plumb, line and level. Maintain maximum headroom and clearances at all points.

4. Coordinate work with all other trades to avoid causing delays in construction schedule.

5. All field welding requires prior approval of the Architect and Contractor’s Structural Engineer.

6. Carry out approved field welding in full accordance with the appropriate sections of “Specifications for the Design, Fabrication and Erection of Structural Steel Buildings” of the American Institute of Steel Construction (AISC).

7. Do all cutting, drilling, tapping and approved welding required to properly install work. Obtain Architect’s prior approval for cutting and drilling of existing structural work.

8. Clean structural steel and fabricated steelwork of rust, scale and foreign matter by grinding; prime with 1 coat of chromated primer; finish with 1 coat of first quality machinery enamel free of skips, runs and saps. Touch up all field connections, welds and abraded places with primer and enamel.

9. Install new, clean and un-deformed steel cables of diameters and construction specified. Use fittings and clips conforming to cable manufacturer’s recommendations as to size, number and method of installation. Form eyes over properly sized thimbles at all requisite connection points.

10. Align winches, pulleys and sheaves for fleet angles not greater than 1½ degrees for smooth and 2 degrees for grooved drums and sheaves.

3.04 FIELD QUALITY CONTROL



A. Site Tests, Inspection

1. The installation of the equipment indicated in this section shall be supervised by qualified personnel who are regularly employed by the Contractor for supervision of equipment installation similar to that indicated herein.

2. Arrange for all tests and inspections required by the General Conditions.

3.05 ADJUSTING

A. Adjust all equipment and components for operation in accordance with the specifications, approved shop drawings and pertinent Contract Drawings prior to the demonstration indicated herein.

3.06 CLEANING

A. Touch up minor abrasions and imperfections as required.

B. All unnecessary equipment and materials shall be removed from the area(s) of this work upon completion, removed from the jobsite and disposed of legally at no additional cost to the Owner.

3.07 DEMONSTRATION

A. Installed equipment to be operated for approval, and inspected for quality by the Architect and the Owner.

B. Adjustments or modifications shall be made as directed by the Architect and the Theatre Consultant.

C. Following the equipment demonstration, inspection and final adjustments, the Owner's designated staff or representatives shall be instructed in the use, care and maintenance of all items. 2 (two) additional training visits for up to 4 (four) hours each, upon notification & request from Minneapolis Public Schools.*

D. Tests and instruction to be scheduled in conformance with project construction schedules and the availability of the Architect and the Owner.

E. Cost of re-inspection and additional testing by the Architect or Theatre Consultant, if required, due to lack of completion and/or errors and omissions shall be paid by the Contractor or the General Contractor respective to the area of work concerned. This work will be conducted on a time and materials basis, including standard hourly rates, and shall be scheduled and approved in writing prior to the re-inspection/testing session between the Architect, Theatre Consultant, the Owner, and the contractor(s). All travel expenses, if required, shall be provided.

3.08 PROTECTION

A. Suitable precautions shall be taken to protect the equipment in this section from damage after installation and prior to acceptance by the Owner.



B. Remove all equipment protection and clean all components thoroughly prior to the demonstration session.

END OF SECTION
