ELGIN INDEPENDENT SCHOOL DISTRICT RFCQ# 2020-03: …...H:\19\197903\3 Technical \Specifications\Div 01 - 14\12 66 23_Elgin Middle - Telescopic Bleacher Spec.docx 3/6/2020 1:06 PM 2

ELGIN INDEPENDENT SCHOOL DISTRICT RFCQ# 2020-03: Elgin Intermediate School Gym Bleacher Replacement

1

Addendum #1 Wednesday, March 18, 2020

This addendum forms a part of the Contract Documents and modifies the original Bidding Documents. Where provisions of the following Addendum differ from the original specifications, the Addendum shall govern and take precedence. Acknowledge receipt of this addendum IN THE PROPOSAL FORM. Failure to do so may subject the bidder to disqualification.

Note: ▪ The project manual for RFCQ# 2020-03 was not included with the original bid posting. Please see attached.

Bleacher Replacement

Elgin Intermediate School

Elgin, Texas

Project Manual

Project Number: 1979.03

03.04.20

Bleacher Replacement Elgin Intermediate School Elgin, Texas Project No. 1979.03

Seals Page Section 00 01 07.1 of 1

H:\19\197903\3 Technical\Specifications\Div 01 - 14\00 01 07_Seals Page.doc 3/4/2020 9:22 AM

SECTION 00 01 07

SEALS PAGE ARCHITECT OF RECORD O'Connell Robertson 811 Barton Springs Road, Suite 900 Austin, Texas 78704

____________________________________________ Architect of Record Date

END OF DOCUMENT

3/5/2020


Telescoping Gym Seats Section 12 66 23.1 of 11

H:\19\197903\3 Technical\Specifications\Div 01 - 14\12 66 23_Elgin Middle - Telescopic Bleacher Spec.docx 3/6/2020 1:06 PM

SECTION 12 66 23 - TELESCOPING GYM SEATS

PART 1 GENERAL

1.01 SUMMARY

A. Section Includes: Telescoping Gym Seating System includes electrically operated systems of multiple-tiered seating rows comprising of seat, deck components, and understructure that permit closing, without requiring dismantlement, into a nested configuration for storing purposes. Application to be wall-attached telescopic gym seats.

1. Refer to attached Drawing for bleacher layout.

B. Related Sections:

1. Division 26 - Electrical sections for electrical wiring and connections for electrically operated telescoping gym seats.

C. Project Schedule

1. Contractor shall coordinate with the owner’s schedule requirements and owner’s contractor. Current proposed schedule to be confirmed during shop drawing phase:

a. Demolition of Existing Two Bleachers including existing mounts and ledger boards – April 2020

b. Owner’s Work including HVAC Improvements, Electrical Improvements, Floor Refinishing, and Painting – April 1 to July 15

c. Bleacher Installation – July 15 to August 1

1.02 MANUFACTURER'S SYSTEM ENGINEERING DESCRIPTION

A. Structural Performance: Engineer, fabricate and install telescopic gym seat to the following structural loads without exceeding allowable design working stresses of materials involved, including anchors and connection. Apply each load to produce maximum stress in each respective component of each gym seat unit. Design loads must comply with NFPA 102, 1992 Edition, Chapter 5 and the 2015 edition of the International Building Code. Where guidelines for design loads conflict; the most stringent code will be followed.

B. Manufacturer's System Design Criteria:

1. Gymnasium seat assembly; Design to support and resist, in addition to own weight, the following forces:

a. Seats and decking to resist live load of 120 lbs. per linear foot. b. Uniformly distributed live load of not less than 100 lbs. per sq. ft. of gross

horizontal projection. c. Parallel sway load of 24 lbs. per linear foot of row. d. Perpendicular sway load of 10 lbs. per linear foot of row.

2. Guard Railings, Post and Supports: Engineered to withstand the following forces applied separately:




a. Concentrated load of 200 lbs. applied at any point and in any direction along top rail.

b. Uniform load of 50 lbs. per foot applied horizontally at top rail and a simultaneous uniform load of 100 lbs. per foot applied vertically downward.

3. Hand Railings, Posts and Supports: Engineered to withstand the following:

a. Concentrated load of 200 lbs. applied at any point and in any direction. b. Uniform load of 50 lbs. per foot applied in any direction.

4. Member Sizes and Connections: Design criteria (current edition) of the following shall be the basis for calculation of member sizes and connections:

a. AISC: Manual of Steel Construction b. AISI: Specification for Design of Cold Formed Steel Structural Members c. AA: Specification for Aluminum Structures d. NFPA: National Design Guide for Wood Construction

1.03 PROJECT SUBMITTALS

A. Shop Drawings: Indicate Telescoping Gym 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.

B. Deviations: List of deviations from these project specifications, if any.

C. Installer Qualifications: Installer qualifications indicating capability, experience, and manufacturer acceptance.

D. Engineer Qualifications: Certification by a professional engineer registered in the state of manufacturer that the equipment to be supplied meets or exceeds the design criteria of this specification.

E. Operating/Maintenance Manuals: Provide to owner maintenance manuals.

F. Demonstrate operating procedures to owner upon completion of installation.

G. Warranty: Manufacturer’s standard warranty documents to be provided to owner.

1.04 QUALITY ASSURANCE

A. NFPA Standard: Comply with current NFPA 102 Standard for Assembly seating, Tents, and Membrane Structures, and specifically with Chapter 5 Folding and Telescopic Seating.

B. Welding Standards & Qualification: Comply with AWS D1.1 Structural Welding Code - Steel and AWS D1.3 Structural Welding Code - Sheet Steel.

C. Manufacturer Qualifications: Manufacturer who has twenty years of experience manufacturing telescoping gym seats.




D. Installer Qualifications: Engage experienced installer who has specialized in installation of telescoping gym types similar to types required for this project and who is acceptable to, or certified by, telescoping gym seat manufacturer.

E. Engineer Qualifications: Engage professional licensed engineer experienced in providing engineering services of the kind indicated that have resulted in the successful installation of telescoping bleachers similar in material, design, fabrication, and extent to those types indicated for this project.

1.05 DELIVERY, STORAGE AND HANDLING

A. Deliver telescopic gym seats in manufacturer’s packaging clearly labeled with manufacturer name and content.

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

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

1.06 PROJECT CONDITIONS

A. Field Measurements: Coordinate actual dimensions of construction affecting telescoping bleacher 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.

1.07 WARRANTY

A. 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.

1. Warranty Period: One year from Date of Substantial Completion.

2. Beneficiary: Issue warranty in legal name of project owner.

3. Warranty Acceptance: Owner is sole authority who will determine acceptance of warranty documents.

1.08 MAINTENANCE AND OPERATION

A. Instructions: Both operation and maintenance shall be transmitted to the Owner by the manufacturer of the seating or his representative.

B. Service: Maintenance and operation of the seating system shall be the responsibility of the owner or his duly authorized representative, and shall include the following:

1. Operation of the seating system shall be supervised by responsible personnel who will assure that the operation is in accordance with the manufacturer's instructions.




2. Only attachments specifically approved by the manufacturer for the specific installation shall be attached to the seating.

3. An annual inspection and required maintenance of each seating system shall be performed to assure safe conditions. At least biannually the inspection shall be performed by a professional engineer or factory qualified service personnel.

PART 2 PRODUCTS

2.01 MANUFACTURER AND PRODUCTS

A. Basis of Design: Contract Documents are based on manufacturer and product named. Approved manufacturers listed in Paragraph B with products having equivalent characteristics may be submitted as a substitution according to Conditions of the Contract and appropriate Division 01 Section provided deviations are minor and do not change concept expressed in Contract Documents as judged by Architect.

B. Manufacturer: Hussey Seating Company, U.S.A

1. Product: Hussey Model MXM26 Series Telescopic Gym Seat

2. Bank Length: As indicated on drawings.

3. Number of tiers: As indicated on drawings.

4. Aisle Type: Foot level aisles with intermediate aisle steps; locations as indicated on drawings

5. Seat Type: Courtside XC10

6. Rail Type: Auto-Rotating Aisle Rails per each aisle, 4” Self-Storing End Rails on open ends only

7. Row Spacing: 26”

8. Row Rise: 9 5/8”

9. Operation: Powered Frames

10. Handicap Seating Provisions: Provide permanent ADA spaces with safety railing at locations indicated on drawings.

B. Other Acceptable Manufacturer’s

1. Interkal

2. Irwin Seating Co.

3. Sheridan Seating, Inc.

2.02 UNDERSTRUCTURE FABRICATION




A. Frame System:

1. Wheels: Not less than 5" diameter by 1 1/4" with non-marring soft rubber face to protect wood and synthetic floor surfaces, and with molded-in sintered iron oil impregnated bushings to fit 3/8" diameter axles secured with E-type snap rings.

2. Lower Track: Continuous positive interglide system interlocks each adjacent CPI unit using an integral, continuous, anti-drift feature and through-bolted guide at front to prevent separation and misalignment. Each CPI unit shall contain a low-profile posi-lock LX to lock each row in an open position and allow unlocking automatically. Provide adjustable stops to allow field adjustment of row spacings.

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

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

5. Upper Guide: High tensile steel through-bolted to nose and riser. Provide adjustable stops to allow field adjustment of row spacings.

6. Deck Support: Securely captures decking for entire length of section.

B. Deck System:

1. Section Lengths: Each bank shall contain sections not to exceed 25'-6" in length with a minimum of two supporting frames per row for each section.

2. Nosing and Rear Riser: Continuous roll-formed galvanized steel members.

3. Attachment: Through-Bolted fore/aft to deck guides, and frame cantilevers. Attachment by use of self tapping fasteners or retained by friction is unacceptable.

4. Decking: 5/8" AC grade tongue and groove, transversely oriented plywood, interior type with exterior glue, 5 ply.

5. Deck End Overhang: Not to exceed frame support by more than 5'-7".

2.03 SEATING FABRICATION

A. Polymer Seat System: Courtside Collection XC10

1. Material: Gas assist injection-molded, 100 percent recyclable HDPE, high density polyethylene.

2. Module Size: 18 inches long by 10 inches deep.

3. Module Load: Tested to 600 lbs.

4. Seat height from deck to top of seat is 16 1/8”.

5. Integrally molded end caps at aisle end locations.




6. Integrally molded recess pockets to accept seat number and row letters.

7. Integrally molded rear closure panel at back of seat to allow for "continuous clean sweep" of debris at deck level and minimized visibility of structural ribbing.

8. Color as selected by architect from manufacturer’s standard colors.

2.04 SHOP FINISHES

A. Understructure: 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.

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

1. Steel nosing and rear risers shall be pregalvanized with a minimum spangle of G-60 zinc plating.

2. Decking shall have use-surfaces to receive both a sealer coat and wear-resistant high gloss clear urethane finish.

2.05 FASTENINGS:

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

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

2.06 ELECTRICAL OPERATION

A. Integral Power: Furnish and install Hussey PF (1/2/3/4), 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.

1. Operation shall be with a keyed wall switch for operator management of stop, start, forward, and reverse control of the power operation.

2. Each Powered Frame unit shall consist of output shaft gear reducer with 6" diameter x 4" wide wheels covered with non-marring 1/2" thick composite rubber. Reducers shall be fitted with 3 phase induction motors which will provide an average operating speed of (46/25) f.p.m.

3. Operating Loads: Each Powered Frame provides (220 / 550) lbs pull force which equals approximately (28/35) psi lateral force on the floor.

4. Electrical: Seating Manufacturer shall provide all wiring within seating bank including pendant control.

a. Each unit for PF (1/2/3/4) is power operated by a 1/2 horsepower, 1725 R.P.M., 208 Volts, 50/60 Hz., single phase 1.25 service factor motor.




Power supply required shall be 120/208 volts single phase 2 wire plus ground service with 20 amps. Motors, housing, and wiring shall be installed and grounded in complete accord with the National Electrical Code.

b. The electrical contractor shall provide required power source with no greater than 4% voltage drop at the seating junction box. The electrical contractor shall perform all wiring connections in junction box that are attached to or a part of the building.

2.07 ACCESSORIES

A. Permanent Handicap Cut-Outs: Provide first tier permanent handicap cutouts per requirements of Americans with Disability Act (ADA) located as indicated. Provide a full width front closure panel at handicap cutout, extending from underside of second tier to within 1 1/2" of finished floor.

B. Non-Slip Tread Surfaces: Provide at front edge of each aisle location an adhesive-backed abrasive non-slip tread surface.

C. Foot Level Aisles: Provide deck level full width vertical aisles located as indicated.

D. Intermediate Aisle Steps: Intermediate aisle steps shall be of "boxed" fully enclosed type construction. Blow-molded end caps shall have a full radius on all four edges. Step shall have non-skid on all surfaces.

E. Sure-Step (Flip-up Front Aisle Step): Permanently hinged to the front row to ensure availability and ease of operation. Two 3” diameter x ¾” wide non-marking front wheels are provided so that the system can be operated with the Sure-Step in the stored or deployed position. All edges coined, hemmed or radiused with front edge protective rubber bumpers. Abrasive-backed non-slip tread identifier on leading edge of nosing. For aisle widths greater than 6’-0”, two side by side hinged steps are provided.

F. Intermediate Automatic Rotating Aisle Handrails: Provide single pedestal mount handrails 34” high with terminating mid rail. Permanently attached handrail shall rotate in a permanently mounted socket for rail storage. Rail shall automatically rotate, lock in the use position, unlock and rotate back to the stowed position as the gym seats open and close. Ends of the handrail shall return to the post, and not extend away from it. Rails having openings to avoid interference with closed decks are not acceptable.

G. Ready Rail - Self Storing End Rails: Provide steel self-storing 42" high end rail with tubular supports and intermediate members designed with 4" sphere passage requirements to meet horizontal forces of 50 lbs. per foot acting outward at top rail and 25 lbs. per foot acting outward at mid-rail. Finish in durable powder coat that matches seat color or contrasting color selected from full selection of manufacturer’s standard color offering.

H. Safety Accessories: Provide the following safety features:

1. Coin Round or Roll all edges of exposed metal on top and underneath Bleacher to eliminate sharp edges. Provide safety ease edges, coined edges, or rounded edges for the bleacher understructure components as follows. Diagonal or X braces and deck support or deck stabilizers. Systems provided with sharp edges or corners, to be rounded off in the field and field painted.




2. Provide plastic end cap on nose metal at Bank ends to close off edges to prevent spectator injury.

3. Provide plastic end cap on back of deck supports on 1st 7 Rows to prevent spectator injury.

4. On 1st Row, provide front and side skirt boards anywhere there is an exposed end to prevent players/balls from sliding underneath the 1st Row.

5. Provide metal end deck cover on each row to cover exposed edge of plywood at the ends of the bleachers.

PART 3 EXECUTION

3.01 EXAMINATION

A. Verification of Conditions: Verify area to receive telescoping gym sets are free of impediments interfering with installation and condition of installation substrates are acceptable to receive telescoping gym seats in accordance with telescoping gym seats manufacturer's recommendations. Do not commence installation until conditions are satisfactory.

3.02 INSTALLATION

A. Manufacturer's Recommendations: Comply with telescoping gym seats manufacturer's recommendations for product installation requirements.

B. General: Install telescoping gym seats in accordance with manufacturer's installation instructions and final shop drawings. Provide accessories, anchors, fasteners, inserts and other items for installation of telescoping gym seats and for permanent attachment to adjoining construction.

3.03 ADJUSTMENT AND CLEANING

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

B. Cleaning: Clean installed telescoping gym seats on both exposed and semi-exposed surfaces. Touch-up finishes to restore damage or soiled surfaces.

3.05 PROPOSED DRAWINGS

A. The following drawings represent the propose bleacher plan, section, and elevation configuration.




END OF SECTION

Adden 1Elgin bleacher replacement 100% CDSeals page12 66 23_Elgin Intermediate - Telescopic Bleacher Spec1. Refer to attached Drawing for bleacher layout.1. Division 26 - Electrical sections for electrical wiring and connections for electrically operated telescoping gym seats.C. Project Schedule1. Contractor shall coordinate with the owner’s schedule requirements and owner’s contractor. Current proposed schedule to be confirmed during shop drawing phase:a. Demolition of Existing Two Bleachers including existing mounts and ledger boards – April 2020b. Owner’s Work including HVAC Improvements, Electrical Improvements, Floor Refinishing, and Painting – April 1 to July 15c. Bleacher Installation – July 15 to August 11. Gymnasium seat assembly; Design to support and resist, in addition to own weight, the following forces:a. Seats and decking to resist live load of 120 lbs. per linear foot.b. Uniformly distributed live load of not less than 100 lbs. per sq. ft. of gross horizontal projection.c. Parallel sway load of 24 lbs. per linear foot of row.d. Perpendicular sway load of 10 lbs. per linear foot of row.

2. Guard Railings, Post and Supports: Engineered to withstand the following forces applied separately:a. Concentrated load of 200 lbs. applied at any point and in any direction along top rail.b. Uniform load of 50 lbs. per foot applied horizontally at top rail and a simultaneous uniform load of 100 lbs. per foot applied vertically downward.

3. Hand Railings, Posts and Supports: Engineered to withstand the following:a. Concentrated load of 200 lbs. applied at any point and in any direction.b. Uniform load of 50 lbs. per foot applied in any direction.

4. Member Sizes and Connections: Design criteria (current edition) of the following shall be the basis for calculation of member sizes and connections:a. AISC: Manual of Steel Constructionb. AISI: Specification for Design of Cold Formed Steel Structural Membersc. AA: Specification for Aluminum Structuresd. NFPA: National Design Guide for Wood Construction

1. Wiring Diagrams: Indicate electrical wiring and connections.1. Warranty Period: One year from Date of Substantial Completion.2. Beneficiary: Issue warranty in legal name of project owner.3. Warranty Acceptance: Owner is sole authority who will determine acceptance of warranty documents.1. Operation of the seating system shall be supervised by responsible personnel who will assure that the operation is in accordance with the manufacturer's instructions.2. Only attachments specifically approved by the manufacturer for the specific installation shall be attached to the seating.3. An annual inspection and required maintenance of each seating system shall be performed to assure safe conditions. At least biannually the inspection shall be performed by a professional engineer or factory qualified service personnel.1. Product: Hussey Model MXM26 Series Telescopic Gym Seat2. Bank Length: As indicated on drawings.3. Number of tiers: As indicated on drawings.4. Aisle Type: Foot level aisles with intermediate aisle steps; locations as indicated on drawings5. Seat Type: Courtside XC106. Rail Type: Auto-Rotating Aisle Rails per each aisle, 4” Self-Storing End Rails on open ends only7. Row Spacing: 26”8. Row Rise: 9 5/8”9. Operation: Powered Frames10. Handicap Seating Provisions: Provide permanent ADA spaces with safety railing at locations indicated on drawings.1. Interkal2. Irwin Seating Co.3. Sheridan Seating, Inc.1. Wheels: Not less than 5" diameter by 1 1/4" with non-marring soft rubber face to protect wood and synthetic floor surfaces, and with molded-in sintered iron oil impregnated bushings to fit 3/8" diameter axles secured with E-type snap rings.2. Lower Track: Continuous positive interglide system interlocks each adjacent CPI unit using an integral, continuous, anti-drift feature and through-bolted guide at front to prevent separation and misalignment. Each CPI unit shall contain a low-profi...3. Slant Columns: High tensile steel, tubular shape.4. Sway Bracing: High tensile steel members through-bolted to columns.5. Upper Guide: High tensile steel through-bolted to nose and riser. Provide adjustable stops to allow field adjustment of row spacings.6. Deck Support: Securely captures decking for entire length of section.1. Section Lengths: Each bank shall contain sections not to exceed 25'-6" in length with a minimum of two supporting frames per row for each section.2. Nosing and Rear Riser: Continuous roll-formed galvanized steel members.3. Attachment: Through-Bolted fore/aft to deck guides, and frame cantilevers. Attachment by use of self tapping fasteners or retained by friction is unacceptable.4. Decking: 5/8" AC grade tongue and groove, transversely oriented plywood, interior type with exterior glue, 5 ply.5. Deck End Overhang: Not to exceed frame support by more than 5'-7".A. Polymer Seat System: Courtside Collection XC101. Material: Gas assist injection-molded, 100 percent recyclable HDPE, high density polyethylene.2. Module Size: 18 inches long by 10 inches deep.3. Module Load: Tested to 600 lbs.4. Seat height from deck to top of seat is 16 1/8”.

5. Integrally molded end caps at aisle end locations.6. Integrally molded recess pockets to accept seat number and row letters.7. Integrally molded rear closure panel at back of seat to allow for "continuous clean sweep" of debris at deck level and minimized visibility of structural ribbing.8. Color as selected by architect from manufacturer’s standard colors.1. Steel nosing and rear risers shall be pregalvanized with a minimum spangle of G-60 zinc plating.2. Decking shall have use-surfaces to receive both a sealer coat and wear-resistant high gloss clear urethane finish.1. Operation shall be with a keyed wall switch for operator management of stop, start, forward, and reverse control of the power operation.2. Each Powered Frame unit shall consist of output shaft gear reducer with 6" diameter x 4" wide wheels covered with non-marring 1/2" thick composite rubber. Reducers shall be fitted with 3 phase induction motors which will provide an average operatin...3. Operating Loads: Each Powered Frame provides (220 / 550) lbs pull force which equals approximately (28/35) psi lateral force on the floor.4. Electrical: Seating Manufacturer shall provide all wiring within seating bank including pendant control.a. Each unit for PF (1/2/3/4) is power operated by a 1/2 horsepower, 1725 R.P.M., 208 Volts, 50/60 Hz., single phase 1.25 service factor motor. Power supply required shall be 120/208 volts single phase 2 wire plus ground service with 20 amps. Motors, ...b. The electrical contractor shall provide required power source with no greater than 4% voltage drop at the seating junction box. The electrical contractor shall perform all wiring connections in junction box that are attached to or a part of the bui...

1. Coin Round or Roll all edges of exposed metal on top and underneath Bleacher to eliminate sharp edges. Provide safety ease edges, coined edges, or rounded edges for the bleacher understructure components as follows. Diagonal or X braces and deck su...2. Provide plastic end cap on nose metal at Bank ends to close off edges to prevent spectator injury.3. Provide plastic end cap on back of deck supports on 1st 7 Rows to prevent spectator injury.4. On 1st Row, provide front and side skirt boards anywhere there is an exposed end to prevent players/balls from sliding underneath the 1st Row.5. Provide metal end deck cover on each row to cover exposed edge of plywood at the ends of the bleachers.