SECTION 08331

OVERHEAD COILING DOORS

PART 1 GENERAL

SECTION INCLUDES

[Fire rated] overhead coiling doors [and shutters], operating hardware, [manual] [electric] operation.

[Wiring from electric circuit disconnect to [door] [shutter] operator to control station.]

RELATED SECTIONS

Section [______-____________]:	Support framing.

Section 08341 - Overhead Coiling Grilles.

Section 08712 - Door Hardware:	Cylinder core and keys.

[Section 09900 - Painting:	Field paint finish.]

Section [______-____________]: Conduit from electric circuit to [door] [shutter] operator and from [door] [shutter] operator to control station.

Section [______-____________]: Conduit from fire alarm control to fusible link activator.

Section 16180 - Equipment Wiring Systems.

Section [______-____________]:	Power to disconnect.

Section [______-____________]: [Fire] [Smoke] alarm interconnection.

REFERENCES

ANSI/ASTM A526 - Steel Sheet, Zinc-coated (Galvanized) by the Hot-dip Process, Commercial Quality.

ANSI/ASTM B221 - Aluminum-Alloy Extruded Bar, Rod, Wire, Shape, and Tube.

ANSI/UL 325 - Door, Drapery, Gate, Louver, and Window Operators and Systems.

ASTM A480 - Flat Rolled Stainless and Heat Resisting Steel Plate, Sheet and Strip.

ASTM A525 - General Requirements for Steel Sheet, Zinc-coated (Galvanized) by the Hot-Dip Process.

NEMA 250 - Enclosures for Electrical Equipment (1000 Volts Maximum).

NEMA ICS 2 - Standards for Industrial Control Devices, Controllers and Assemblies.

NEMA MG1 - Motors and Generators.

ULI - Underwriters' Laboratories Inc.

SYSTEM DESCRIPTION

Manual [hand chain lift] [hand crank lift] [push up] unit with overhead counter balance device.

****** [OR] ******

Electric motor operated unit with manual override in case of power failure.

[Fire rated [door] [shutter] fusible link [fire alarm system] activated with automatic governed closing speed.]

[Within a framed opening.] [Surface mounted.]

DESIGN REQUIREMENTS

Design [door] [shutter] assembly to withstand wind/suction load of [20] [____] psf ([940] [____] Pa), without undue deflection or damage to [door] [shutter] or assembly components.

Insulation Value: R of [____] (RSI of [____]).

SUBMITTALS

Submit under provisions of Section [01300] [________].

Shop Drawings: Indicate pertinent dimensioning, anchorage methods, hardware locations, and installation details.

Product Data: Provide general construction, component connections and details, [electrical equipment,] and [________________].

Samples:	Submit [two] [_______] [door] [shutter] slats, [____x____] inch ([____x____] mm) in size illustrating shape, color and finish texture.

Manufacturer's Installation Instructions: Indicate installation sequence and procedures, adjustment and alignment procedures, and [________________].

MAINTENANCE DATA

Submit under provisions of Section [01700] [________].

Maintenance Data: Indicate lubrication requirements and frequency, periodic adjustments required, and [________________].

REGULATORY REQUIREMENTS

Conform to [applicable] [___________] code for [3/4] [1] [1 1/2] [2] [____] hour fire rated opening.

Provide certificate of compliance from [authority having jurisdiction [________________] indicating approval of [door] [shutter] and operating hardware assembly.

[Electrical Components: ULI listed.]

FIELD MEASUREMENTS

Verify that field measurements are as [indicated [on shop drawings]] [instructed by the manufacturer].

COORDINATION

Coordinate work under provisions of Section [01039] [________].

Coordinate the work with installation of electric power, locations and size of conduit, and [________________].

PART 2 PRODUCTS

MANUFACTURERS

[__________________________________] Model [_________].

[__________________________________] Model [_________].

[__________________________________] Model [_________].

Substitutions: Under provisions of Section [01600] [________].

MATERIALS

Curtain:	[Fire rated in accordance with requirements [scheduled] [indicated on Drawings]]; conforming to the following:

Slats: Interlocking, minimum [____] gage ([____] mm thick) of ANSI/ASTM A526 steel, [galvanized to minimum [1.25] [____] oz/sq ft ([380] [____] g/sq m) coating in accordance with ASTM A525]; [single thickness slat] [sandwich slat construction with insulated core of [________] type insulation].

****** [OR] ******

Slats: Interlocking, minimum [____] gage ([____] mm thick) of stainless steel conforming to ASTM A480 Type [304] [____] rollable temper]; [single thickness slat] [sandwich slat construction with insulated core of [________] type insulation].

Nominal Slat Size: [2] [3] [____] inches ([50] [75] [____] mm) wide x required length.

Slat Ends: [Alternate slats] [Each slat] fitted with end locks to act as wearing surface in guides and to prevent lateral movement.

Curtain Bottom: Fitted with [angles] [________] to provide reinforcement and positive contact with [floor] [counter] in closed position.

Guides: [____] gage ([____] mm thick); [____] inch ([____] mm) wide [rolled [stainless] steel track] [formed [stainless] steel angles], continuous, vertical mounted; [galvanized] [stainless] steel mounting brackets.

****** [OR] ******

Curtain: Conforming to the following:

Slats: Interlocking, minimum [____] gage ([____] mm thick) of ANSI/ASTM B221 aluminum alloy Type [6063] [________]; [single thickness slat] [sandwich slat construction with insulated core of [________] type insulation].

Nominal Slat Size: [2] [3] [____] inches ([50] [75] [____] mm) wide x required length.

Slat Ends: [Alternate slats] [Each slat] fitted with end locks to act as wearing surface in guides and to prevent lateral movement.

Curtain Bottom: Fitted with aluminum [angles] [hollow extrusion] to provide reinforcement and positive contact with [floor] [counter] in closed position.

Guides: [____] gage ([____] mm thick); [____] inch ([____] mm) wide, [rolled [stainless] steel track] [formed [steel] [aluminum] angles], continuous, vertical mounted; [galvanized] [stainless] steel mounting brackets.

Roller Shaft Counterbalance:	Steel pipe and [helical] steel spring system, capable of producing torque sufficient to assure smooth operation of curtain from any position; with adjustable spring tension.

Hood Enclosure [and Fascia]:	[____] gage ([____] mm thick) [galvanized steel] [aluminum]; internally reinforced to maintain rigidity and shape.

Hardware: Specified in Section 08712.

****** [OR] ******

Hardware:

Cylinders: [________________] type; [doors] [shutters] keyed [differently] [alike] [master keyed].

Handle: Inside [center] [side] mounted, adjustable keeper, spring activated latch bar with feature to keep in locked or retracted position; interior [and

exterior] handle.

Weatherstripping: Moisture and rot proof, resilient type, located at [jamb edges,] [bottom of curtain,] [and where curtain enters hood enclosure].

[Fire Alarm Release Mechanism: Electric operated from fire alarm system.]

ELECTRIC OPERATOR

Electric Operator:

Description: ANSI/UL 325, [side] [center] mounted.

Motor Enclosure:	NEMA MG1 Type [1] [4] [____]; [open drip proof] [TEFC] [________].

Motor Rating: [1/3] [1/2] [3/4] [____] hp ([250] [375] [560] W); continuous duty.

Motor Voltage: [____] volt, [single] [three] phase, 60 Hz.

Motor Controller: NEMA ICS 2, full voltage, reversing magnetic motor starter.

Controller Enclosure: NEMA 250 Type [1] [4] [____].

[Door] [Shutter] Speed: [12] [____] inches per second ([300] [____] mm/s)

Brake: Adjustable friction clutch type, activated by motor controller.

Control Station:	Standard three button (open-close-stop) control for each operator; [24] [____] volt circuit; [surface mounted] [________________].

Safety Edge:	Located at [door] [shutter] bottom, full width, [electro-mechanical] [pneumatic] sensitized type, wired to [stop] [reverse] [door] [shutter] upon striking object, hollow [neoprene] [rubber] covered [weather] seal.

FINISHES

Curtain Slats:	Galvanized steel.

****** [OR] ******

Curtain Slats: Anodized aluminum of [________] color [as selected].

****** [OR] ******

Curtain Slats: Precoated paint finish, [________] type, [________] color [as selected].

****** [OR] ******

Curtain Slats:	Stainless steel, No. [4] [____] finish.

Steel Guides and Hood Enclosure: [Prime paint] [Prepare for paint finish].

PART 3 EXECUTION

EXAMINATION

Verify openings under provisions of Section [01039] [________].

Verify that opening sizes, tolerances and conditions are acceptable.

INSTALLATION

Install [door] [shutter] unit assembly in accordance with manufacturer's instructions.

Use anchorage devices to securely fasten assembly to wall construction and building framing without distortion or stress.

Securely brace components suspended from structure. [Secure guides to structural members only.]

Fit and align assembly including hardware; level and plumb, to provide smooth operation.

[Coordinate installation of electrical service with Section [16180] [________]. Complete wiring from disconnect to unit components and from fire alarm system to [door] [shutter] operator.]

Coordinate installation of sealants and backing materials at frame perimeter as specified in Section 07900.

Install perimeter trim and [closures] [___________].

ERECTION TOLERANCES

Maintain dimensional tolerances and alignment with adjacent work.

Maximum Variation From Plumb: [1/16] [___] inch ([1.5] [___] mm).

Maximum Variation From Level: [1/16] [___] inch ([1.5] [___] mm).

Longitudinal or Diagonal Warp: Plus or minus [1/8] [____] inch per 10 ft ([3] [__] mm per 3 m) straight edge.

ADJUSTING

Adjust work under provisions of Section [01700] [________].

Adjust [door] [shutter], hardware and operating assemblies.

CLEANING

Clean work under provisions of [01700] [________].

Clean [door] [shutter] and components.

Remove labels and visible markings.

SCHEDULES

Door 178 to Kitchen:	Size noted on Drawings, aluminum slat medium bronze anodized, manually operated, two hour fire rated, thermal fusible link activated; within framed opening.

Shutter 215 to Tool Crib: 48 inches wide x 36 inches high, steel slat galvanized; electrically operated, 3/4 hp 120 volt 1 phase; supplementary chain lift; surface mounted to framed opening on Tool Crib side.

END OF SECTION