36C25619R0042-038.pdf

100342.00 SLVHCS REPLACEMENT MEDICAL CENTER PROJECT

EWP-04

06/30/2011 s t u d i o NOVA 6/24/2011 07:55:30

083337-1 EXTERIOR SIDE COILING

GRILLES

SECTION 08 33 37

EXTERIOR SIDE COILING GRILLES

PART 1 - GENERAL

1.1 DESCRIPTION

A. Section Includes:

1. Side Coiling Grilles for exterior applications including unconditioned areas within the

Parking Garage including curtains, tracks, operating mechanisms, and the following:

2. Side coiling grilles are motor operated.

3. Remote controls.

4. Electronic devices.

5. Exposed metal surfaces to be clear anodized aluminum.

1.2 RELATED WORK

A. Exposed finish on metal: Section 05 05 13, SHOP APPLIED COATINGS FOR METAL.

B. Exterior Overhead Coiling Grilles: Section 08 33 27.

C. Lock cylinders for cylindrical locks: Section 08 71 00, DOOR HARDWARE.

D. Colors, finishes, and textures: Section 09 06 00, SCHEDULE FOR FINISHES.

E. Field painting: Section 09 91 00, PAINTING.

F. Electric devices, including card readers, disconnect switches, and wiring and power: DIVISION

26, ELECTRICAL.

1.3 MANUFACTURER'S & INSTALLER'S QUALIFICATIONS

A. Coiling grilles shall be products of manufacturers regularly engaged in manufacturing items of type specified.

B. Install items under direct supervision of manufacturer's representative or trained personnel.

1.4 SUBMITTALS

A. Submit in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND

SAMPLES.

B. Shop Drawings:

1. Each type of grille showing details of construction, accessories and hardware, electrical and mechanical items supporting brackets for motors, location, and ratings of motors, and safety devices.

2. Wiring diagrams for motors and controls, including wiring diagram for grille, showing electrical interlock of motor with manually operated dead lock, electrical rough-in.

Submittal is for information only, and will not be reviewed or approved.

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C. Manufacturer's Literature and Data:

1. Brochures or catalog cuts, each type grille.

2. Manufacturer's installation procedures and instructions.

3. Maintenance instructions and parts lists.

D. Samples:

1. For Initial Selection: Submit, on their respective base materials, manufacturer’s complete line of each required finish showing the full range of aesthetic characteristics, including color and texture, expected in the final work.

2. For Verification: Submit final selections for Architect’s verification.

1.5 QUALITY ASSURANCE

A. Installer Qualifications: Manufacturer's authorized representative, specializing in this type of work, having experience on similar installations under like conditions, and trained and approved for both installation and maintenance of work required.

B. Source Limitations: Obtain side coiling grilles from single source from single manufacturer.

1. Obtain operators and controls from side coiling grille manufacturer.

C. Electrical work to comply with the National Electrical Code.

1.6 APPLICABLE PUBLICATIONS (Latest version unless otherwise indicated)

A. The publications listed below form a part of this specification to the extent referenced. The publications may be referenced in the text by the basic designation only. Follow latest editions unless otherwise indicated.

B. American Society for Testing and Materials (ASTM):

1. A36 Structural Steel.

2. A653 Steel Sheet, Zinc-Coated (Galvanized) Zinc-Iron Alloy-Coated (Galvannealed) by the Hot-Dip Process.

3. B209 Aluminum and Aluminum-Alloy Sheet and Plate.

4. B221 Aluminum-Alloy Extruded Bars, Rods, Wire, Shapes, and Tubes.

C. National Electrical Manufacturers Association (NEMA):

1. ICS 1 Industrial Control and Systems General Requirements.

2. ICS 2 Industrial Control, and Systems, Controllers, Contactors, and Overload Relays.

3. ICS 6 Industrial Control and Systems Enclosures.

4. MG 1 Motors and Generators.

5. ST 20 Dry-Type Transformers for General Applications.

D. Master Painters Institute (MPI):

1. MPI #35 Exterior Bituminous Coating.

E. National Fire Protection Association (NFPA):

1. 70 National Electrical Code.

083337-3 EXTERIOR SIDE COILING

PART 2 - PRODUCTS

2.1 MATERIAL

A. Steel: A653 for forming operation; ASTM A36 for structural sections.

B. Aluminum: Alloy and temper 6063T-5 typical.

1. Plate and Sheet: A STM B209.

2. Extrusions: ASTM B221.

C. Bituminous Coating: MPI #35.

2.2 DESIGN REQUIREMENTS

A. Delegated Design: Design side coiling grilles, including comprehensive engineering analysis by a qualified professional engineer, using performance requirements and design criteria indicated.

B. Jambs set back sufficiently to provide clear opening when grille in open position; see Drawings.

C. Operation Cycles: Provide side coiling grille components and operators capable of operating for not less than number of cycles indicated for each grille. One operation cycle is complete when grille is opened from closed position to fully open position and returned to closed position.

1. Design coiling grilles to a standard of 25 cycles per day and an overall of 50,000 operating cycles for life of the grille.

D. Motor operators shall have manual emergency mechanical operators.

2.3 FABRICATION

A. Grilles (Curtains): Aluminum slats; 2-3/4 inches high by ¾ inches deep, nominal, interconnected with 5/16 inch diameter, minimum, rods at 1-1/2 inch centers with links at 9 inch centers; tube spacers on every rod.

B. Tracks: Manufacturer’s standard suitable for the application.

1. Top Track: 3” high by 1-3/4” deep extruded aluminum channel mechanically attached to support angle with provisions for take-up bolts to compensate for a 1/2 inch deflection.

2. Bottom Track: Stainless steel installed in 11” wide by 4” deep opening.

C. Provide motor-operated grilles with combination leading edge astragal and sensor.

D. Brackets: Selected by manufacturer to support grille and hood.

E. Hoods (Coil Box): Aluminum, 0.040 inch thick minimum, or steel frame enclosure containing operating mechanism, supporting disk, and drum around which curtain coils.

F. Locking Devices:

1. Locking Device Assembly: Fabricate with cylinder lock, spring-loaded dead bolt, operating handle, cam plate, and adjustable locking bars to engage through slots in tracks.

a. Lock Cylinders: Cylinder locks shall receive cylinders furnished under Section, 08 71 00, DOOR HARDWARE.

083337-4 EXTERIOR SIDE COILING

b. Key operated from both sides of grille.

2. Crank Lock Keeper: Suitable for padlock.

3. Safety Interlock Switch: Equip power-operated grilles with safety interlock switch to disengage power supply when grille is locked.

G. Supports: As necessary; material, shapes, and sizes recommended by manufacturer. Comply with Section 05 50 00, Metal Fabrications. Connect to structure with devices designed to accommodate 3/4" building deflection.

2.4 ELECTRIC MOTOR OPERATORS

A. Operators complete with electric motor, machine cut reduction gears, steel chain and sprockets, magnetic brake, overload protection, brackets, push button controls, limit switches, magnetic reversing contactor, and other accessories necessary for proper operation including emergency manual operator.

B. Design:

1. Design the operator so that the motor may be removed without disturbing the limit-switch timing and without affecting the emergency manual operators.

2. Make provision for emergency manual grille operation by crank- or chain-gear mechanism.

3. Arrange emergency manual operating mechanism to be immediately put into and out of operation from floor with an electrical or mechanical device, which disconnects motor from operating mechanism when emergency manual operating mechanism engaged, and its use shall not affect timing of limit switches, in case of electrical failure.

4. Provide interlock with motor to prevent motor from operating when manual locks are activated.

C. Motors:

1. NEMA MG 1, suitable for operation on current of characteristics indicated, and operate at not more than 3600 rpm. Single-phase motors shall not have commutation or more than one starting contact. Motor enclosures shall be drip proof NEMA TENV type.

2. High starting torque, reversible type, of sufficient horsepower and torque output to move grilles in either direction from any position, and produce grille travel speed of not less than 0.66 foot or more than 1 foot per second, without exceeding rated capacity.

D. Controls:

1. NEMA ICS 1 and 2.

2. Enclosures: NEMA ICS 6, Type 12 or Type 4, except Contractor enclosures may be

Type 1.

3. Remote control switches shall be at least 5 feet above floor line located so operator has complete visibility of grille at all times.

a. Use key activated switches on secure side of grille requiring constant pressure to operate.

4. Each motor shall have enclosed, across-the-line type, magnetic reversing contactor, thermal overload protection, solenoid operated brake, limit switches, and remote control switches. Locate where directed by Resident Engineer.

5. Obstruction Detection Device: Equip motorized grille with indicated external automatic safety sensor capable of protecting full width of grille opening. Activation of sensor immediately stops and reverses grille travel.

a. Photoelectric Sensor: Manufacturer's standard system designed to detect an obstruction in grille opening without contact between grille and obstruction.

083337-5 EXTERIOR SIDE COILING

1) Self-Monitoring Type: Designed to interface with grille operator control circuit to detect damage to or disconnection of sensing device. When self-monitoring feature is activated, grille closes only with sustained pressure on close button.

b. Sensor Edge: Automatic safety sensor edge, located within leading edge. Contact with sensor activates device. Connect to control circuit using manufacturer's standard take-up reel or self-coiling cable.

1) Self-Monitoring Type: Four-wire configured device designed to interface with grille operator control circuit to detect damage to or disconnection of sensing device.

6. Control Transformer: NEMA ST 20; in power circuits as necessary to reduce control circuit voltage to 120 volts or less.

7. Electrical components shall conform to NFPA 70. Electrical materials, equipment, and devices for installation in hazardous locations as defined by NFPA 70 shall be specifically approved by Underwriters Laboratories for the particular chemical group and class and division of hazardous location involved.

2.5 FINISHES

A. Steel:

1. Hot dipped galvanized G-90 ASTM A525

2. Phosphate or bonderized treatment.

3. Corrosion inhibiting primer; 2 mils per side.

4. Polyester, thermo-setting or powder-coated finish; 6 mils per side.

5. Color: Simulate the clear anodized aluminum slats.

B. Aluminum:

1. Exposed Surfaces: Clear anodized finish in compliance with Section 05 05 13 - Shop Applied Coatings for Metal.

2. Concealed Surfaces: Manufacturer’s standard corrosion-resistant finish.

PART 3 - EXECUTION

3.1 INSTALLATION

A. Install grilles in accordance with approved shop drawings and manufacturer's instructions.

B. Locate anchors and inserts for guides, brackets, motors, switches, hardware, and other accessories accurately.

C. Securely attach guides to adjoining construction with not less 3/8 inch diameter bolts, near each end and spaced not over 24 inches apart.

D. Locate control stations where indicated.

E. Install all electric devices and wiring as specified in DIVISIONS 26, ELECTRICAL, and 28, ELECTRONIC SAFETY & SECURITY.

083337-6 EXTERIOR SIDE COILING

3.2 REPAIR

A. Repair prime painted zinc-coated surfaces and bare zinc-coated surfaces damaged by application of galvanizing repair compound. Spot prime damaged shop prime painted surfaces including repaired prime painted zinc-coated surfaces.

B. Lubricate, properly adjust, and demonstrate coiling grilles to operate freely.

3.3 PROTECTION

A. Isolate aluminum in contact with or fastened to dissimilar metals. Place an approved caulking compound, or non-absorptive tape, or gasket between aluminum and dissimilar metal.

B. Paint aluminum in contact with or built into mortar, concrete, plaster, or other masonry materials with bituminous paint.

3.4 INSPECTION

A. Upon completion, grilles shall be free from damage, warp, twist, or distortion.

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