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Section 08360 – Overhead Doors
PART 1 – GENERAL
1.01 SUMMARY
A. Provide Sectional overhead doors where shown on drawings, as specified herein, and as needed for a complete and proper installation.
B. Section Includes
1. Electric motor operated doors
2. Manually operated doors
C. Related Documents/Sections: Carefully examine the contract documents for requirements which affect work of this section. Documents and specification sections containing requirements which relate to this section include but are not necessarily limited to:
1. Drawings and general provisions of the contract applied to work of this section.
2. Section 08800 – Glazing
3. Division 16- Electrical, Junction boxes, wiring.
1.02 SUBMITTALS
A. General:
1. Identify proposed changes, differences, and discrepancies, including verbiage, terms, and definitions, between contract documents and submittals.
B. Product Data:
1. For each type of product indicated, submit manufacturer’s specifications and other data needed to provide compliance with the specified requirements.
C. Shop Drawings:
1. Submit drawings in sufficient detail to show fabrication, installation, anchorage, and interface of the work of this section with the work of adjacent trades.
2. Provide setting drawings, templates, and directions for the installation of anchor bolts and other anchorages installed as a unit of work under other sections.
3. Submit wiring diagram indication hook-up connections for electrically operated units.
D. Samples:
1. Samples for Verification Purposes:
a. Finish color.
E. Quality Control Submittals:
1. Certificates
a. Manufacturer's Certificate: Certify that products meet or exceed specified requirements.
2. Qualification Data
a. Submit data for firms and persons specified under “Quality Assurance” article to demonstrate their capabilities and experience. Include list of completed projects with project name(s), addresses, names of Architect(s) and Owner(s), plus other specified information.
3. Manufacturer’s Instructions:
a. Submit manufacturer’s recommended installation procedures which, when reviewed by the architect, may become the basis for accepting or rejecting actual installation procedures used on the work.
F. Contract Closeout submittals:
1. Upon completion of this portion of the Work, and as a condition of its acceptance, deliver to the Architect requisite copies of the following.
a. Project Record Documents.
b. Operation and Maintenance Data.
1.03 QUALITY ASSURANCE
A. Manufacturer Qualifications: Provide each sectional overhead door as a complete unit produced by a single manufacturer, including frames, sections, brackets, guides, tracks, counterbalance mechanisms, hardware, operators, and installation accessories.
B. Inserts and Anchorages: Furnish inserts and anchoring devices that must be set in concrete or built into masonry for unit installation. Provide setting drawings, templates, and directions for installation of anchorages devices. Coordinate delivery with other work to avoid delay.
C. See concrete and masonry sections for instruction on installing inserts and anchorage devices.
D. Wind Loading: Design and reinforce sectional overhead doors to withstand 20 p.s.f. wind-loading pressure.
PART 2 – PRODUCTS
2.01 ACCEPTABLE MANUFACTURERS
A. Available Manufacturers
1. Fimbel
Architectural Door Specialties or Approved Equal.
2.02 SECTIONS
2.03 TRACKS, SUPPORTS, AND ACCESSORIES
A. Tracks: Provide manufacturer’s standard galvanized steel track system, sizing for door size and weight, and designed clearance shown. Provide complete track assembly including brackets, bracing and reinforcing for rigid support of ball-bearing roller guides for required door type and size. Slope tracks at proper angle from vertical or otherwise design to ensure tight closure at jambs when door unit is closed. Weld or bolt to track supports. Slot Vertical sections of track at 2 inches o.c. for door-drop safety device.
B. Track Reinforcement and Supports: Provide galvanized steel track reinforcement and support members. Secure, reinforce and support tracks as required for size and weight of door to provide strength, and rigidity without sag, sway, and vibration during opening and closing of doors.
C. Support and attach tracks to opening jambs with continuous angle welded to tracks and attached to wall. Support horizontally (ceiling tracks) with continuous angle welded to track and supported by laterally braced attachments to overhead structural members at curve and end of tracks.
D. Weather Seals: Provide continuous rubber, neoprene, or flexible vinyl adjustable weather-strip gasket at tops and compressible astragals on bottoms of each overhead door.
1. In addition, provide continuous flexible seals at doorjamb edges for a fully weathertight installation.
A. General: Provide heavy-duty, rust-resistant hardware, with galvanized or cadmium-plated or stainless steel fasteners, to suit type of door.
B. Hinges: Provide heavy-duty steel hinges at each end stile and at each intermediate stile, per manufacturer’s recommendation for size of door. Attach hinges to door sections through stiles and rails with bolts and lock nuts or lock washers and nuts. Use rivets or self-tapping fasteners where access to nuts is not possible. Provide double-end hinges, where required, for doors exceeding 16 feet in width, unless otherwise recommended by door manufacturer.
1. Hardened steel tires for normal installations
B. Provide cast-aluminum or gray-iron casting cable drums, grooved to receive cable. Mount counterbalance mechanism with manufacturer’s standard ball-bearing brackets at each end of the shaft. Provide one additional midpoint bracket for shafts up to 16 feet long and two additional brackets at one-third points to support shafts over 16 feet long, unless closer spacing recommended by door manufacturer
C. Provide a spring bumper at each horizontal track to cushion door at end of opening operation.
2.06 DOOR OPERATORS
A. General: Furnish electric door-operator assembly of size and capacity recommended and provided by door manufacturer, complete with electric motor and factory pre-wired motor controls, reduction unit, solenoid-operated brake, clutch, remote-control stations and control devices.
B. Provide hand operated disconnect or mechanism for automatically engaging sprocket-chain Operator and releasing brake for emergency manual operation. Include interlock device to automatically prevent motor from operating when emergency sprocket is engaged.
C. Design operator so that motor may be removed without disturbing limit-switch adjustment and without affecting emergency auxiliary operator.
D. Door Operator Type: Provide the following:
E. Electric Motors: Provide high-starting torque, reversible, constant duty, Class A-insulated electric motors with overload protection, sized to move door in either direction, from an position, at not less than 2/3 foot or more than 1 foot per second.
1. Coordinate wiring requirements and current characteristics of motors with building electrical system.
2. Provide open-drip-proof type motor, a controller with NEMA Type I enclosure.
F. Remote Control Station: Provide momentary-contact, three-button control station with push button controls labeled “Open”, “Close”, and “Stop”.
1. Provide interior units, full-geared, surface-mounted, heavy-duty, with general purpose NEMA Type I enclosure.
G. Automatic Reversing Control: Furnish each door with automatic safety switch, extending full door width of bottom door, and located within neoprene or rubber astragal mounted to bottom door rail. Contact with switch will immediately reverse downward door travel. Furnish manufacturer’s standard take-up reel or self-coiling cable.
1. Provide either electrically or pneumatically actuated bottom bar as standard with manufacturer.
3.01 INSTALLATION
A. General: Install door, and track, and operating equipment complete with necessary hardware, jamb and head mold stops, anchors, inserts, hangers, and equipment supports according to shop drawings, manufacturers instructions, and as specified.
B. Fasten Vertical track assembly to framing at not less than 24 inches o.c. Hang horizontal track from structural overhead framing with angle or channel hangers, welded and bolt-fastened in place. Provide sway bracing, diagonal bracing, and reinforcing as required for rigid installation of track and door operating equipment.
C. After completing installation, including work by other trades, lubricate, test, and adjust doors to operate easily, free from warp, twist, or distortion and fitting weathertight for entire perimeter.
End of Section 08360
Copyright 2006 Fimbel
Architectural Door
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