SPEC NOTE - Frenette(Aug/18/2009): - This specification has been developed by the Department of Transportation and Infrastructure - Buildings Division for use in Department of Education Major Capital Projects and Capital Improvement Projects. 

SPEC NOTE - Frenette (Sept/02/2009): ENVIRONMENTAL: This Section specifies environmentally responsible material choices, including recycling and reuse options, and generally available disposal options. 

SPEC NOTE Frenette (Oct/01/2009): When applicable, all products specified in this section must adhere to HPB (High Performance Building) requirements (For example: VOC contents). 

SPEC NOTE Frenette (Oct/01/2009): Bleachers shall only be installed on approved substrate. Certain types of flooring such as "resilient athletic flooring" are not designed for this type of applications. When not certain consult the Department of Transportation and Infrastructure - Buildings Division Project Manager and manufacturer. 

PART 1 - GENERAL

SPEC NOTE Frenette (Sept/22/09): Edit related section to suit project application. Make modifications as required when using 6 digit number specification sections. 

1.1      Related Sections 

.1 	Section [09 64 28]- [Wood Athletic Flooring]: Sub-floor system, including additional blocking. 

.2 	Division [16] [____] Electrical sections for electrical wiring and connections for electrically operated Telescoping Gymnasium Seats. 

1.2      Description of Work 

.1 	Wall attached telescoping gymnasium bleachers shall be electrically operated systems of multiple-tiered seating rows comprising of seat, deck components and understructure that permits closing without requiring dismantling, into a nested configuration for storing. 

SPEC NOTE Frenette (Sept/29/09): Edit electrical requirement to suit project. Coordinate with electrical Division 16. 

.2 	Coordinate with division 16 and include all electrical and related work in this contract. Including but not limited to electrical wiring and connections for electrically operated telescoping bleachers. Provide detailed description of electrical requirements for equipment requiring power supply. 

SPEC NOTE Frenette (Sept/22/09): Edit list of references to include only those standards referenced in the project. 

1.3      References 

.1 	Canadian Standards Association (CSA). 
.1 	CAN/CSA S16.1-94. 

.2 	National Fire Protection Association (NFPA): NFPA 102 Standard for Assembly Seating, Tents and Membrane Structures. 

.3 	American National Standards Institute (ANSI). 

.4 	Aluminum Association (AA): AA - Aluminum Structures, Construction Manual Series. 

.5 	American Society for Testing Materials (ASTM): ASTM - Standard Specification for Properties of Materials. 

.6 	Americans with Disability Act (ADA): ADA - Standards for Accessible Design. 

.7 	Canadian National Building Code 2005 edition. 

.8 	CSA Standard B651-04 Accessible design for the built environment. 

1.4      Manufacturer's System Engineering Description 

.1 	Structural Performances: Provide engineer design system. Fabricate and install telescopic gymnasium seating systems to the following structural loads without exceeding allowable design working stresses of materials involved, including anchors and connections. Apply each load to produce maximum stress in each respective component of each gymnasium seat unit. 

SPEC NOTE Frenette (Sept/22/09): When applicable, revise load requirements in article 1.4.1.2 to suit most stringent code requirements of article 1.4.1.1. 

.1 	Minimum design Loads: 
.1 	Comply with NFPA 102, 1992 Edition, Chapter 5 for design loads. NFPA 102 also includes design loads for railings. 
.2 	Comply with: Americans with Disability Act (ADA): ADA - Standards for Accessible Design. 
.3 	Canadian National Building Code 2005 edition. 
.4 	CSA Standard B651-04 Accessible design for the built environment. 
.5 	Design to most stringent requirements. 

.2 	Manufacturer's System Design Criteria: 
.1 	Gymnasium seat assembly; Design to support and resist, in addition to it's own weight, the following forces: 
.1 	Live load of 162.69 N/m [120 lbs per linear foot] on seats and decking. 
.2 	Uniformly distributed live load of not less than 135.58N/m [100 lbs per sq. ft.] of gross horizontal projection. 
.3 	Parallel sway load of 32.53 N/m [24 lbs. per linear foot] of row combined with 1.4.2.1.2 above 
.4 	Perpendicular sway load of 13.56 N-m [10 lbs. per linear foot] of row combined with 1.4.2.1.2 above 
.3 	Hand Railings, Posts and Supports: Engineered to withstand the following forces applied separately: 
.1 	concentrated load of 90.72 kg [200 lbs.] applied at any point and in any direction. 
.2 	Uniform load of .344 N/mm2 [50 lbs. per foot] applied in any direction. 

.4 	Guard Railings, Post and Supports: Engineered to withstand the following forces applied separately: 
.1 	Concentrated load of 90.72 kg [200 lbs.] applied at any point and in any direction along top rail. 
.2 	Uniform load of .344 N/mm2 [50 lbs. per foot] applied horizontally at top rail and a simultaneous uniform load of 
.3 	9 N/mm2 [100 lbs. per foot] applied vertically downward. 

.5 	Member Sizes and Connections: Design criteria (current edition) of the following shall be the basis for calculation of member sizes and connections: 
.1 	AISC: Manual of Steel Construction 
.2 	AISI: Specification for Design of Cold Formed Steel Structural Members 
.3 	AA: Specification for Aluminum Structures 
.4 	NFOPA: National Design Guide For Wood Construction. 

1.5      Qualifications 

.1 	Bidders are required to be an authorized dealer or manufacturer for equipment proposed which on a day-to-day basis regularly provide the equipment offered. Bidders are further advised that only standard production models or standard options will be acceptable for award. Equipment offered shall be currently manufactured on an active assembly line. Owner will only accept equipment; provided, installed, and serviced by Authorized Dealers capable of providing references. Provide references [when requested by Engineer - Architect] [or] [as required in these tender documents]. 

.2 	Bleachers installer shall be Factory Certified by the Manufacturer. Proof of Factory Certified Installation Certificate shall be provided [when requested by Engineer - Architect] [or] [as required in these tender documents]. 

SPEC NOTE Frenette (Sept/22/09): Confirm requirements for on site repair with the Department of Transportation and Infrastructure - Buildings Division Project Manager and edit as required to suit. 

.3 	The Bleachers Contractor must be able to show proof of full time service capability by factory certified technicians directly employed by the Bleachers Contractor. Sub-Contractors of the Bleachers Contractor or Factory Technicians located outside of the country do not qualify under this service response requirement. Adequate and satisfactory availability of repair parts and supplies, and ability to meet warranty and service requirements are a requirement of this contract. A [2 day] maximum on-site repair response is required during normal working hours, 8 a.m. to 5 p.m. weekdays (excluding holidays) All Full Time Service Personnel shall be Factory Authorized and Trained. Proof of Service Capability along with a listing of service parts regularly maintained in inventory shall be provided [when requested by Engineer - Architect] [or] [as required in these tender documents]. 

1.6      Delivery/Storage 

.1 	Deliver telescopic gymnasium seats in manufacturers packaging clearly labeled with manufacturer name and content. 

.2 	Handle seating equipment in a manner to prevent damage. 

.3 	Deliver the seating at a scheduled time for installation that will not interfere with other trades operating in the building. 

1.7      Quality Control 

.1 	Equipment to be installed by a company having trained installers, having continuous proven experience within the last five [5] years. 

.2 	Manufacturer Qualifications: Manufacturer who has a minimum of 40 years of experience manufacturing telescoping gymnasium seats and can demonstrate continual design enhancement and 25-year minimum product life-cycle support of telescopic seating. 

.3 	Installer Qualifications: Engage experienced Installer who has specialized in installation of telescoping gymnasium seat types similar to types required for this project and who carries an official Certification Card issued by telescoping gymnasium seat manufacturer. 

1.8      SUBMITTALS 

.1 	Submit shop drawings and product data in accordance with Section [01 00 01 - PROJECT SPECIFIC GENERAL REQUIREMENTS] [01 00 02 - STANDARD GENERAL REQUIREMENTS] for review and approval by Engineer - Architect prior to delivery. 

SPEC NOTE - Frenette (Aug/18/2009): Request samples at discretion of Project Manager. On HPB (High Performance Building) either return samples after review and approval or request mock-up to help the reduction of waste in landfills and the use of virgin materials. Edit to suit project applications and delete when not applicable. 

.2 	Submit representative samples pieces for selection of colours. 

.3 	Submittals also to include: 
.1 	Description of equipment giving manufacturers name, type, model, year and capacity. 
.2 	Details of operation, servicing and maintenance. 
.3 	Installation details. 
.4 	Rough-in requirements for electrical services. 
.5 	Provide List of deviations from these project specifications for review and approval by Engineer - Architect prior to fabrication. 
.6 	Shop Drawings: Indicate Telescoping Gymnasium Seat assembly layout. Show seat heights, row spacing and rise, aisle widths and locations, assembly dimensions, anchorage to supporting structure, material types and finishes. 
.1 	Wiring Diagrams: Indicate electrical wiring and connections. 

SPEC NOTE Frenette (Sept/22/09): When applicable indicate graphic layouts. Edit to suit project application. Delete when not applicable. 

.2 	Graphics Layout Drawings: Indicate pattern of contrasting or matching seat colors 
.7 	Submit product data sheets for all products in this section including but not limited to [____]. 
.8 	Operating/Maintenance Manuals: Provide to Owner maintenance manuals. Demonstrate operating procedures, recommended maintenance and inspection program. 
.9 	Submit manufacturer's written installation instructions. 
.10 	Train the Owner's maintenance staff on the proper care and maintenance of the system and all components. 
.11 	Instructions to include manufacturer's recommended materials and methods for cleaning, including precautions in the use of cleaning materials that may be detrimental to surface if improperly applied. 
.12 	Provide written declaration that site conditions meet the requirements of the manufacturer prior to commencement of Work. 
.13 	Submit also all documentation as requested in other articles of this specification section. 
.14 	Manufacturer's installation instructions: Indicate preparation instructions, environmental requirements, product delivery, handling and storage criteria, and installation requirements and techniques. 

1.9      Project Conditions 

.1 	Field Measurements: Coordinate actual dimensions of construction affecting telescoping bleachers installation by accurate field measurements before fabrication. Show recorded measurements on final shop drawings. Coordinate field measurements and fabrication schedule with construction progress to avoid delay of Work. 

1.10     PRE-INSTALLATION CONFERENCE 

.1 	Organize and record the proceedings of a pre-installation conference that includes the Engineer-Architect, Contractor, flooring contractor's project manager or foreman and manufacturer's representative to verify project requirements, manufacturer's installation instructions and manufacturer's warranty requirements. 

.2 	Schedule the conference after completion of floors coordinate also with Engineer - Architect. 

1.11     Warranty 

.1 	Manufacturer's Product Warranty: Submit manufacturer's standard warranty form for telescoping bleachers. This warranty is in addition to, and not a limitation of other rights Owner may have under Contract Documents. 

SPEC NOTE Frenette (Sept/22/09): Confirm duration of warranty with the Department of Transportation and Infrastructure - Buildings Division Project Manager. Edit to suit as required. 

.1 	Warranty Period: [5] years from date of acceptance. 
.2 	Beneficiary: Issue warranty in legal name of project Owner. 
.3 	Warranty Acceptance: Owner is sole authority who will determine acceptance of warranty documents. 

SPEC NOTE - Frenette (Aug/19/2009): Edit Waste Management and Disposal article to suit project application. Confirm and coordinate articles with project manager as required. Coordinate also with Section "01 74 19 - Construction Waste Management and Disposal" and section "01 74 20 CONSTRUCTION WASTE MANAGEMENT AND DISPOSAL HPB (HIGH PERFORMANCE BUILDING) PROJECTS" when applicable. 

1.12     WASTE MANAGEMENT AND DISPOSAL 

.1 	Separate and recycle waste materials in accordance with Sections [01 00 01 - PROJECT SPECIFIC GENERAL REQUIREMENTS], [01 00 02 - STANDARD GENERAL REQUIREMENTS], [01 74 20 CONSTRUCTION WASTE MANAGEMENT AND DISPOSAL HPB (HIGH PERFORMANCE BUILDING) PROJECTS], [01 74 19 - Construction Waste Management and Disposal] [_____]. 

.2 	Hazardous waste: 
.1 	Paint, primers, sealers, sealants, and related materials (thinners, solvents, etc.,) are regarded as hazardous products and are subject to regulations for disposal. [Information on these controls can be obtained from Provincial Ministries of Environment and Regional levels of Government.] 
.2 	Material which cannot be reused must be treated as hazardous waste and disposed of in an appropriate manner. 
.3 	Place, close and seal materials defined as hazardous or toxic waste, including used sealant and adhesive tubes and containers, in containers or areas designated for hazardous waste, well ventilated, fire safe at moderate temperature. 
.4 	Unused paint, coating, finish products, sealant and adhesive materials must be disposed of [at either an official hazardous material collections site as approved by Engineer - Architect], [as per Waste Management Plan] [or] [as per regulation obtained from Provincial Ministries of Environment and Regional levels of Government]. [Use most stringent ruling as means of disposal]. 

.3 	Ensure emptied containers are sealed, stored safely away from children at location approved by Engineer - Architect. 

.4 	To reduce the amount of contaminants entering waterways, sanitary/storm drain systems or into ground, the following procedures shall be strictly adhered to: 
.1 	Retain cleaning water for water-based materials to allow sediments to be filtered out. Do not dispose into sewer system, into streams, lakes, onto ground or in other location where it will create health or environmental hazard. 
.2 	Retain cleaners, thinners, solvents and excess paint and place in designated containers and ensure proper disposal. 
.3 	Return solvent and oil soaked rags used during painting operations for contaminants recovery, proper disposal, or appropriate cleaning and laundering. 

.5 	Where paint recycling is available, collect waste paint by type and provide for delivery to recycling or collection facility. 

.6 	Use the least toxic sealants, and adhesives necessary to comply with requirements of this section. 

.7 	Collect and separate for disposal paper, metal, plastic, polystyrene, wood and corrugated cardboard, packaging material in appropriate on-site bins for recycling in accordance with Waste Management Plan. 

.8 	Separate protective materials when possible for reuse or for recycling. 

.9 	When applicable, divert concrete materials (from demolition activities) from landfill as per Construction Waste Management Plan or as directed by Engineer - Architect. 

.10 	Fold up metal banding, flatten and place in designated area for recycling. 

.11 	Collect, package and store sheet metal cut-offs and waste for recycling and return to recycler in accordance with Waste Management Plan. 

.12 	Do not burn scrap at the project site. 

.13 	Collect wood packing shims and pallets and place in designated area for recycling and reuse. 

.14 	As required Separate wood and metal waste in accordance with the Waste Management Plan and place in designated areas in the categories as per the Waste Management plan. 

SPEC NOTE Frenette (Sept/22/09): Manufacturer and products must meet or exceed the requirements of this specification section. Do not modify product requirements without prior approval from the Department of Transportation and Infrastructure - Buildings Division Project Manager. 

PART 2 - PRODUCTS

SPEC NOTE Frenette (Sept/22/09): An acceptable system/manufacturer that meets the requirements of this specification section is as follows: MAXAM26 series telescopic gymnasium seats with adjustable row spacing by Hussey seating company or approved equivalent. 

2.1      Materials 

.1 	Lumber: ANSI/Voluntary product 20, B & B Southern Pine. 

.2 	Plywood: ANSI/Voluntary product PS1, APA A-C Exterior Grade. 

.3 	Structural Steel Shapes, Plates and Bars to ASTM A36 

.4 	Uncoated Steel Strip (Non-Structural Components) to ASTM A569, Commercial Quality, Hot-Rolled Strip. 

.5 	Uncoated Steel Strip (Structural Components) to ASTM A570 Grade 33, 40, 45, or 50, Structural Quality, Hot-Rolled Strip. 

.6 	Uncoated Steel Strip (Structural Components) to ASTM A607 Grade 45 or 50, High-Strength, Low Alloy, Hot-Rolled Strip. 

.7 	Galvanized Steel Strip to ASTM A653 Grade 40, zinc coated by the hot-dip process, structural quality. 

.8 	Structural Tubing to ASTM A500 Grade B, cold-formed. 

.9 	Fasteners: Vibration-proof, of size and material standard with manufacturer. 

2.2      Under Structure Fabrication 

.1 	Frame System: 
.1 	Wheels: Not less than 127mm diameter by 32mm with non-marring soft rubber face to protect wood and synthetic floor surfaces, with molded-in sintered iron oil-impregnated bushings to fit 10mm diameter axles secured with E-type snap rings. 

.2 	Lower Tracks: Continuous Positive Interglide. Automatic row lock system to prevent accidental closure when the system is in use. System must have capability to independently lock bottom flexible rows. Each flexible row shall be equipped with an independent self-locking mechanism to deliver maximum flexibility, performance and safety. System interlocks each adjacent CPI unit using an integral, continuous, anti-drift feature and through-bolted guide at front to prevent separation and misalignment. CPI units at end sections of powered banks and manual sections shall contain a Low Profile Positive lock system to lock each row in open position and allow unlocking automatically. Provide adjustable stops to allow field adjustment of row spacing. 

.3 	Slant Columns: High tensile steel, tubular shape. 

.4 	Sway Bracing: High tensile steel members through-bolted to columns. 

.5 	Deck Stabilizer: High tensile steel member through-bolted to nose and riser at three locations per section. Interlocks with adjacent stabilizer on upper tier using low-friction nylon roller to prevent separation and misalignment. Incorporates multiple stops to allow field adjustment of row spacings. 

.6 	Deck Support: Securely captures front and rear edge of decking at rear edge of nose beam and lower edge of riser beam for entire length of section. Through bolted to the frame and stabilizer "nose and riser beam" composed of rolled form structural members to provide continuous deck support 

.2 	Deck System: 
.1 	Section Lengths: Each bank shall contain sections not to exceed 7772mm in length with a minimum of two supporting frames per row, each section. 

.2 	Nose beam and Rear Riser beam: Nose beam shall be continuously roll-formed closed tubular shape of ASTM A653 grade 40, Riser beam shall be continuously roll-formed of ASTM A653 grade 40. Nose and Riser beam shall be designed with no steel edges exposed to spectator after product assembly. 

.3 	Attachments: Through-Bolted fore/aft to deck stabilizers, and frame cantilevers. 

.4 	Decking: 16mm, AC grade clear-top-coated tongue and groove Southern Yellow Pine; or BC grade polyethylene-top-coated tongue and groove "Douglas Fir" plywood; both of interior type with exterior glue, 5-ply, and all plies with plugged crossbands. Plywood shall be cut and installed with top, center and bottom ply grain-oriented from front of deck to rear of deck (nose beam to riser beam). Adjacent pieces shall be locked together with tongue and groove joint from front to rear of deck. Longest unsupported span: 546mm. Continuous full-length captured deck support: Decking shall be captive in the riser beam and rests on the nose, firmly secured by the seat bracket. This system shall provide a stiff, secure walking surface with no exposed hardware. System shall utilize transverse decking; using decking materials in accordance with their industry span rating. System shall be load tested and independently verified. 

.5 	Deck End Overhang: Not to exceed frame support by more than 1702mm. 

.3 	Shop Finishes: 
.1 	Understructures: For rust resistance, steel understructure shall be finished on all surfaces with black "Dura-Coat" enamel. Understructure finish shall contain a silicone additive to improve scratch resistance of finish. 

.2 	Wear Surfaces: Surface subject to normal wear by spectators shall have a finish that does not wear to show different color underneath. 

.3 	Steel nosing and rear risers shall be pre-galvanized with a minimum spangle of G-60 zinc plating. 

.4 	Decking shall have use-surfaces to receive both a sealer coat and wear-resistant high gloss clear urethane finish. Optional decking to have 1mm [0.030"] laminated polyethylene wear surface with a skid-resistant textured top surface permanently bonded. 

.5 	Railings: Steel railings shall be finished with powder-coated semi - gloss black or optional 15 standard colors to match plastic seat color. 

2.3      Product Description/Criteria 

SPEC NOTE Frenette (Sept/22/09): When bleacher sizes and dimensions are indicated on drawings, delete items 2.3.1 to 3.2.9 inclusively. 

.1 	Bank length: [_______mm] [includes rails], [two] banks. 
.2 	Aisle width: [_______mm]. 
.3 	Number of tiers:[_______]. 
.4 	Row spacing: [adjustable row spacing in 50mm increments from 560mm to 660mm], [_________mm]. Captive interlock & adjustable row stops: The Captive Interlock System engages and aligns deck to deck. System must be configured for five different row-spacing setups-adjustable on site if required. Incorporate three stabilizer assemblies per section to provide improved tracking and stability. 
.5 	Row rise: [_______mm]. 
.6 	Open dimension: [_______mm]. 
.7 	Closed dimension: [_______mm]. 
.8 	Overall unit height: [_______mm]. 
.9 	Net Capacity: [__________]. 

SPEC NOTE Frenette (Sept/22/2009): Delete article 2.3.10 when bleacher sizes and dimensions are not indicated on drawings but are included in the specs. 

.10 	Bank length, Aisle width, Number of tiers, Row spacing, Row rise, Open dimension, Closed dimension and Overall unit height as detailed and indicated on drawings. 
SPEC NOTE Frenette (Oct/01/2009): Edit to suit, delete aisle types not used. 
.11 	Aisle Type: [foot level aisles], [front steps], [intermediate aisle steps]. 
.12 	Seat Type: MVP (plastic seat module). 
.1 	Seat Modules: 457mm [18"] long assembled, injection-molded, high density polyethylene modules in mono or two-tone colors providing scuff resistant textured 254mm [10"] or 305mm [12"] wide seat surface with 13mm [½"] minimum interlock on seat and face. Unit structural tested to 163kg [360 lbs] occupant load. 
.2 	Color: to be chosen after contract is awarded by Engineer-Architect from manufacturer's line of 15 standard colors 
SPEC NOTE Frenette (Sept/22/09): When applicable edit seat design logo article to suit project. Delete when not applicable. Confirm with the Department of Transportation and Infrastructure - Buildings Division Project Manager . 
.3 	Incorporate seat design graphic logos and/or school lettering by the use of contrasting color patterns in the seating layout. Provide up to [5] color combinations for seating design graphics and/or school logos. 
.4 	Comfort Profile: Designed with anatomically contoured seat surface using multiple internal reinforcement ribs that allow form-fit deflection for maximum spectator comfort. Where the system is cantilevered to the rear it shall provide not less than 76mm smooth toe space beneath the seat 
.5 	Seat Support: Each plastic seat module shall be supported by internal steel structural members secured against fore/aft movement by 10mm grade 5 steel fasteners creating a steel-to-steel connection, tying the seat structure firmly to the steel nose beam. 
.6 	End Caps: Each end of row shall be enclosed with matching end caps. End caps shall be designed flush with end-edge of seat top and provide indent for row letters. Color to match seat top. 
.13 	Rail Type: [Self-storing end rail], [removable end rails], [front railings], [rear rails], [store-in-place aisle hand rails], [folding aisle hand rails], [truncation], [safety end-closure curtains]. 
.1 	Color: to be chosen after contract is awarded by Engineer-Architect from manufacturers [powder-coded standard semi-gloss black] or [from manufacturers optional 15 standard colors to match Courtside Collection seat.]. 
.14 	Operation: Electrical Power System. Integral power with pendant control, motion monitor and limit switches. 

2.4      Accessories 

.1 	Access panels (Hatchway): Provide access to unit at first tier. 

.2 	Provide end curtains, color to be chosen after contract is awarded by Engineer-Architect from manufacturers line of colors 

SPEC NOTE Frenette (Sept/28/2009): Edit accessories list to suit project application. Coordinate requirements with the Department of Transportation and Infrastructure - Buildings Division Project Manager. Delete when not required. 

.3 	Miscellaneous Product Accessories: [operating handles], [front panels], [end panels], [rear panels], [ventilating grills], [scorer's table],[ portable & convertible table and bench seat], [top seat filler], [rear seats for reverse fold units], [seat number's], [row letters], [end curtains], [aisle closure curtains]. [Tapered sections], [truncated units], [elevated-front and rear cross aisles], [portable access stairs], [programming supports], [extended rear deck filler], [rear wall column cutouts]. [Integral] or [portable] dolly system with integral lifting mechanism. 

SPEC NOTE Frenette (Sept/28/2009): Provide wheelchair accessories when directed by the Department of Transportation and Infrastructure - Buildings Division Project Manager. Edit to suit project, delete when not required. 

.4 	Provide first tier [permanent] or [modular] recoverable Flexible-rows to be utilized by persons in wheelchairs and/or able-bodied persons. Handicap first-tier fixed end-section cutouts, full-section truncations. Design to most stringent requirements of the following codes and standards: National Building Code 2005 edition, CSA Standard B651-04 Accessible design for the built environment and Americans with Disability Act (ADA): ADA - Standards for Accessible Design. 
.1 	Each Flexible-Row unit shall have an unlock handle for easy deployment if wheelchair or team seating access is needed. Unlock handle shall lock the bleacher seats into position when fully opened. 
.2 	Provide a black full-surround steel skirting with no more than 19mm floor clearance for safety and improved aesthetics 
.3 	Provide a black injection molded end cap for the nose beam for safety and improved aesthetics. 
.4 	Provide a mechanical positive lock when the Flexible-Row system is in the open and used position. 
.5 	Provide at front edge of each aisle location an adhesive-backed abrasive non-slip tread surface 

.5 	Provide closed deck to prevent passage of debris to understructure. 

.6 	Safety Options/Accessories: 
.1 	The bleachers system must eliminate sharp edges. Provide safety ease edges, coined edges, or rounded edges for the bleachers understructure components as follows. 
.1 	Coin Round or Roll all edges of exposed metal on top and underneath 
.2 	For the diagonal or X braces and deck support or deck stabilizers: The systems provided that has sharp edges or corners shall be rounded off in the field and field painted. 
.3 	Provide plastic end cap on nose metal at Bank ends to close off edges to prevent spectator injury. 
.4 	Provide plastic end cap on back of deck supports on 1st 7 Rows to prevent spectator injury. 
.5 	On 1st Row, provide front and side skirt boards any where there is an exposed end to prevent players/balls from sliding underneath the 1st Row. 
.6 	Provide metal cover over motor chains and wheels to protect chains from debris and provide a safety switch that if cover is taken off the power system will not work. 
.7 	The system shall have metal end deck cover on each row to cover exposed edge of plywood at the ends of the bleachers. 
.8 	Powered frames systems without a metal protective housing, covering drive chain and drive wheels are not permitted under this specification 

2.5      Fastening 

.1 	Welds: Performed by welders certified by standards for the process employed. 

.2 	Structural Connections: Secured by structural bolts with prevailing torque lock nuts, free-spinning nuts in combination with lock washers, or Riv-nuts in combination with lock washers. 

2.6      Electrical Operation 

.1 	Electrically operated bleachers to include integral motors, power with pendant control and limit switches. Power as per manufacturer's specifications and as follows: 
.1 	Integral power: Furnish and install an integral automatic electro mechanical powered frame propulsion system, to open and close telescopic seating. Integral Power and Control System shall be Underwriters Laboratories, Inc. (UL) approved and listed. The size of the motor shall be as per the manufacturer's written specifications to suit the application. 

.2 	Operations shall be with a removable pendant control unit which plugs into seating bank for operator management of stop, start, forward, and reverse control of the power operation. 

.3 	Each Powered Frame unit shall consist of output shaft gear reducer with 152mm diameter x 102mm wide wheels covered with non marring 13mm thick composite rubber. Reducers shall be fitted with 3 phase induction motors which will provide an average operating speed of .23/ .12 M/s. 

.4 	Operating Loads: Each Powered Frame provides (220 / 280 / 550) lbs pull force [978 / 1245 / 2446 N] which equals approximately (28 / 30 / 35) psi [.192 / .206 / .241 N/mm2] lateral force on the floor. 

.5 	Limit Switches: Furnish and install both open and closed limit switches for the integral power system. The limit switches will automatically stop integral power operation when seating has reached the fully extended or closed position. 
.1 	Power operation shall utilize a combination of contactors and limit switches to insure the wiring is not energized except during operation. Straight wired electric system is not allowed. 

.6 	Motion Monitor: Provide flashing light with self-contained warning horn rated at 85 db at [3050mm] mounted under telescopic seating for audio and visual warning during integral power operation. 

.7 	The seating manufacturer shall provide all wiring within seating bank including pendant control. 
.1 	Each unit is power operated by a 1725 R.P.M. motor 120Volts or 208Volts 3 phase depending on size. Motor size shall be designed by manufacturer as part of tender unit package. Motors, housing, and wiring shall be installed and grounded in complete accord with the Canadian Electrical Code. 
.2 	The electrical contractor shall provide required power source with no greater than 4% voltage drop at the seating's junction box. The electrical contractor shall perform all wiring connections in junction box that are attached to or a part of the building. 

PART 3 - EXECUTION

3.1      Preparation 

.1 	Verify area to receive telescoping gymnasium seats are free of impediments interfering with installation and condition of installation substrates are acceptable to receive telescoping gymnasium seats in accordance with telescoping gymnasium seats manufacturer's recommendations. Do not commence installation until conditions are satisfactory. 

.2 	Obtain written confirmation from manufacturer that existing floors and substrates have been prepared to manufacturer's satisfaction and are ready to receive bleachers. 

3.2      Installation 

.1 	Install equipment in accordance with manufacturer's instructions. 

.2 	Manufacturer's Certified Installers to install telescoping gymnasium seats in accordance with manufacturer's installation instructions and final shop drawings. Provide accessories, anchors, fasteners, inserts and other items for installation of telescoping gymnasium seats and for permanent attachment to adjoining construction. 

.3 	Coordinate connection of electrical services with Owner and Architect/Engineer. 

.4 	Adjustment: After installation completion, test and adjust each telescoping gymnasium seats assembly to operate in compliance with manufacturer's operations manual. 

.5 	Cleaning: Clean installed telescoping gymnasium seats on both exposed and semi-exposed surfaces. Touch-up finishes restoring damage or soiled surfaces. 

3.3      Protection 

.1 	Provide final protection and maintain conditions, in a manner acceptable to manufacturer and installer to ensure telescoping gymnasium seats are without damage or deterioration at time of substantial completion.