Attachment 3- Misc Doors and Parts.pdf

MISCELLANEOUS DOORS & PARTS

Project Number FE201840J

PART 1 - GENERAL

1. SCOPE: This section of the specifications covers the furnishing, installation and/or repair of overhead and roll-up steel doors. New parts, sections, complete units, operators, hardware, etc., shall be as hereinafter specified. Individual new parts shall match the existing, or be equal to, in both construction and performance to that of the item it is replacing. The contractor shall remove and salvage for reinstallation any undamaged part that is attached to or obstructs the installation of the item being installed. These salvaged parts shall be reinstalled and all labor shall be included in that particular bid item.

2. APPLICABLE PUBLICATIONS: The publications listed below are a part of this specification to the extent referenced. The publications are referred to in the text by the basic designation only.

Federal Specifications (Fed. Spec.):

FF-N-105B & Nails, Brads, Staples & Spikes, Wire Cut and Wrought Int Am-4

TT-E-489H Enamel, Alkyd, Gloss (For Exterior & Interior Use)

TT-P-19D Paint, Acrylic Emulsion: Exterior

TT-P-25E Primer Coating, Exterior & Am-2

TT-P-641G Primer Coating; Zinc Dust-Zinc Oxide (For & Am-1 Galvanized Surfaces)

American Society for Testing & Materials (ASTM) Publications:

A 525 (Rev B-91) Steel Sheet, Zinc-Coated (Galvanized) by the Hot-Dip Process, General Requirements

E 330-90 Structural Performance of Exterior Windows, Curtain Walls & Doors by Uniform Static Air Pressure Difference

American Society of Heating, Refrigerating & Air Conditioning Engineers, Inc., (ASHRAE) Publication: Handbook & Product Directory, Fundamentals (1989)

National Electrical Manufacturers Association (NEMA) Publication:

No. ICS 2-1978 Industrial Control Devices, Controllers and Assemblies

DEPARTMENT OF THE ARMY - CAM Regulation 420-4.

3. FIELD MEASUREMENTS: The contractor shall verify all measurements at the building site and shall be responsible for the proper dimensions, correct fit and the secure attachment of items directly connected with the door installation.

4.0 METHODS of MEASUREMENT: The Government shall use the following methods for calculating contract line item square footage amounts for payment.

4.1 Square Footage - Sectional Door: The square feet required for replacement panels of a sectional door shall be determined by: the sum of the damaged panel area as determined from each panel’s dimensions - (height x length).

4.2 Square Footage - Roll-up Door: The square feet required for a partial Roll-up Door slat replacement shall be determined by: the sum of the damaged slat area based on each slat dimensions - (height x length).

a. Slat Height: shall be determined by the distance from the exposed top edge of one slat, to the exposed top edge of the next slat, and not some rule of thumb.

4.3 Square Footage - Roll-up Door Curtain: The square feet required for a total Roll-up Door curtain replacement shall be determined by: the area of the Door Opening.

4.4 Square Footage – All Complete Door Replacements: The square feet required for a complete door replacement or new installation shall be determined by: the area of the Door Opening.

5. GLASS & GLAZING: Glass and glazing shall match the existing.

6. HARDWARE: Hardware shall match the existing.

7. PAINTING: Painting shall match the existing or adjacent surfaces.

8. PRODUCT DELIVERY, HANDLING & STORAGE: Doors and parts shall be delivered, stored, handled, and installed so as not to be damaged or deformed. Abraded, scarred, or rusty areas shall be cleaned and painted immediately upon detection. Doors and parts stored onsite before installation shall be stacked on platforms or pallets and covered with tarpaulins or other suitable covering to provide weather protection while affording proper air circulation.

PART 2 - PRODUCTS

9. thru 10. Reserved

11. OVERHEAD & ROLLING DOORS:

11.1 Design: Doors and hardware shall be designed for high frequency, industrial applications to match the existing, and to withstand a wind pressure of 20 pounds per square foot of door area with a maximum deflection of 1/120 of opening width when tested in accordance to ASTM E 330. Doors shall be complete with counterweight assemblies, operators, hardware and tracks, as applicable. Doors shall have glass sections, when indicated on the delivery order, full gasket for weather tight installation.

Doors and door sections exposed to weather shall have flexible neoprene weather-stripping on jambs, top and sill and between sections to match existing, if required, in a manner for easy replacement.

Doors shall be mounted on interior face of exterior walls to provide full opening of the doorway.

Manual push-up doors shall have lifting handles on both sides and a lock and locking device, if required, or slide-bolt lock and locking device. Locks shall be replaced in kind. Locks shall be keyed as directed.

Doors electrically or hoist operated shall have a standard device for securing operator chain or cable.

Steel door sections and hardware shall have a G90 coating conforming to ASTM A 525 and be phosphate treated. Doors, where indicated by the delivery order, shall be insulated. Cellular plastic insulation shall not be exposed as an interior finish material. Insulation shall be of such thickness to match the existing or adjacent doors. Doors shall be backed with manufacturer’s standard backing.

11.2 Overhead Doors: Doors shall be steel sectional and/or drum type to match the existing, except as otherwise specified. Doors shall be manually, chain hoist, or electrically operated as designated on the delivery order. Doors shall have flush or semi-flush horizontal sections. End guides shall be U-shaped members welded to a continuous mounting angle. Tracks shall be the Manufacturer’s supplied track.

Rollers shall have ball bearings.

11.3 Rolling Steel Doors: Curtain shall be flat steel, with interlocking slats. End locks shall be provided on both ends of alternate slats; the curtain shall roll up upon a drum supported by end-brackets and shall be counterbalanced by internal helical springs. Doors shall be chain hoist or electrically operated as designated on the delivery order. Doors or door components shall be replaced in kind.

11.4 Rolling Steel Fire Doors: Curtain shall be 22 gauge or greater flat steel, with interlocking slats.

End locks shall be provided on both ends of alternate slats; the curtain shall roll up upon a drum supported by end-brackets and shall be counterbalanced by internal helical springs. Doors shall be chain hoist operated. Automatic closure shall be initiated by the melting of 165-degree fusible links. The operating mechanism shall disengage during automatic closing. The automatic closing rate shall be controlled by a governor. Rolling steel fire doors up to 144 sq. ft. and 12 ft. in width or height shall bear the UL and FM 3-Hour Class A Label for masonry firewall installations. Rolling steel fire doors up to 144 sq. ft. and 12 ft. in width or height shall bear the FM 1-1/2 Hour Class B Label for non-masonry firewall installations. Rolling steel fire doors over 144 sq. ft. shall receive the UL Oversize Fire Door Label. Fire door components shall be replaced in kind.

11.5 thru 11.7 Reserved.

11.8 Electric Operators: Operators shall be furnished complete with electric motor, reduction gears, magnetic brake, friction clutch, and emergency release for manual operations, heavy duty roller chain, controls, limit switches, and other accessories. The operator shall be designed to permit motor removal without affecting limit-switch door travel settings. A manually operated crank gear or chain-gear mechanism shall be provided on operators to permit manual operation. Manual operation shall not be through the gear box.

11.8.1 Motor: The Operator Motor shall be totally enclosed, constant duty type, instantly reversible, capable of moving door at rate of not less that 3/4 foot per second and designed for high frequency operation.

11.8.2 Controls: Each door motor shall have an enclosed reversing across-the-line type magnetic starter having thermal overload protection, solenoid-operated brake, limit switches, and one remote control switch. The starter shall conform to NEMA Pub. No. ICS 2. Remote-control switches shall be of the three pushbutton type with the buttons marked “OPEN”, “CLOSE”, and “STOP”. The pushbuttons switches shall be the momentary-contact type. Push-buttons shall be full-guarded type to prevent accidental operation. Switches mounted on the exterior of a building shall be weatherproof key-operated type having a corrosion-resistant cast metal cover. Limit switches shall automatically stop the door travel at the fully open and fully closed positions. Limit switch travel settings shall readily accessible and the easily adjusted.

11.8.3 Control Voltage: The operator control circuits and devices shall operate on a voltage to match existing.

11.8.4 Safety Device: The bottom edge of electrically operated doors shall have a safety device or safety edge that will immediately stop and reverse the door movement upon contact with an obstruction.

The safety device shall be installed across the entire width of the door. The safety device shall operate independently and shall not be used as a substitute for a downward travel limit switch.

11.8.5 Electrical Work: Electric-motor-driven devices required for operation of the doors and any wiring required shall be provided. Electrical equipment and wiring shall conform to the National Electrical Code. Flexible connections between door and fixed supports shall be type SO cable. The cable shall have a spring-loaded automatic take-up reel or equivalent device.

11.9 Hoists: Hoists shall be complete with reduction gears, heavy duty chains, and locking mechanism. The force required to pull the hoist chain while opening the door, shall not exceed 35 pounds. Hoist shall contain a governor for controlling the descent rate of the door.

PART 3 - EXECUTION

12. INSTALLATION: Parts and accessories shall be installed plumb, level, and rigid. Doors shall be installed and lubricated, as recommended by the manufacturer, to operate freely and easily.

13. Electrical Quality Assurance: The replacement or repair of a power operated door shall be subject to the authority and powers of the Fort Campbell Electrical Inspector, as declared in CAM

Regulation 420-4. Any deficiency found where the National Electrical Code is applicable shall be corrected to the approval of the Fort Campbell Electrical Inspector before the door is placed into service and before the delivery order is completed.

14. Hot-Work Fire Prevention: At each facility where door replacements and or repairs require metal cutting or welding, the Contractor shall obtain a Hot-Work Permit. The Contractor shall follow all fire prevention precautions as prescribed on the Hot-Work Permit by the Fort Campbell Fire Department Inspector. Hot-Work Permits are available from the Directorate of Emergency Services at any of the following Fort Campbell Fire Stations: Buildings 1747, 4099, 6634, 7160 & 7241.

15. PAINTING OF OVERHEAD DOORS: The exterior surfaces of new wood jambs and trim, metal doors, door sections and parts, shall be painted. Painted surfaces shall be free from runs, drips, ridges, waves, laps, brush marks and variations in color texture and finish. The hiding shall be complete and each coat shall be so applied as to produce a film of uniform thickness. Sufficient time shall elapse between successive coatings to permit proper drying.

15.1 Paint Schedule:

Prime First Second Surface Preparation Coat Coat Coat

Wood Scrap, Seal & Sand- TT-P-25 TT-P-19 TT-P-19 paper smooth

Galvanized Solvent Clean, Scrape, TT-P-641 TT-E-489 Metal Doors Seal & Sandpaper Smooth Type II