This Product MasterSpec Section modifies the original MasterSpec text, and does not include the full content of the original MasterSpec Section


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Copyright 2011 AIA MasterSpec Premium 08/11

PRODUCT MASTERSPEC LICENSED BY ARCOM TO C.H.I. OVERHEAD DOORS.


Copyright 2011 by The American Institute of Architects (AIA)

Exclusively published and distributed by Architectural Computer Services, Inc. (ARCOM) for the AIA

This Product MasterSpec Section is licensed by ARCOM to C.H.I. Overhead Doors ("Licensee").

This Product MasterSpec Section modifies the original MasterSpec text, and does not include the full content of the original MasterSpec Section.

Revisions made to the original MasterSpec text are made solely by the Licensee and are not endorsed by, or representative of the opinions of, ARCOM or The American Institute of Architects (AIA). Neither AIA nor ARCOM are liable in any way for such revisions or for the use of this Product MasterSpec Section by any end user. A qualified design professional should review and edit the document to suit project requirements.

For more information, contact C.H.I. Overhead Doors, 1485 Sunrise Drive, Arthur, IL 61911; Phone: (800) 677-2650; Fax: (800) 738-5006; Website: www.chiohd.com; Email: AIA@chiohd.com.

For information about MasterSpec contact ARCOM at (800) 424-5080 or visit www.MasterSpec.com.

SECTION 083313 - COILING COUNTER DOORS

TIPS:

To view non-printing Editor's Notes that provide guidance for editing, click on Masterworks/Single File Formatting/Toggle/Editor's Notes.

To read detailed research, technical information about products and materials, and coordination checklists, click on Masterworks/Supporting Information.

Revise this Section by deleting and inserting text to meet Project-specific requirements.

This Section uses the term "Architect." Change this term to match that used to identify the design professional as defined in the General and Supplementary Conditions.

Verify that Section titles referenced in this Section are correct for this Project's Specifications; Section titles may have changed.

PART 1 - GENERAL

1.1RELATED DOCUMENTS

Retain or delete this article in all Sections of Project Manual.

A.Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.

1.2SUMMARY

A.Section Includes:

1.Counter doors.

2.Fire-rated counter doors.

B.Related Requirements:

Retain Sections in subparagraphs below to cross-reference requirements Contractor might expect to find in this Section but are specified in other Sections.

1.Section 055000 "Metal Fabrications" for miscellaneous steel supports.

2.Section 099123 "Interior Painting" for finish painting of factory-primed doors.

1.3ACTION SUBMITTALS

A.Product Data: For each type and size of coiling counter door and accessory.

1.Include construction details, material descriptions, dimensions of individual components, profiles for slats, and finishes.

Retain first subparagraph below for power-operated doors.

2.Include rated capacities, operating characteristics, electrical characteristics, and furnished accessories.

Retain subparagraph below for fire-rated doors.

3.Include description of automatic closing device and testing and resetting instructions.

BIM objects are available from C.H.I. Overhead Doors at www.chiohd.com. You can also call the C.H.I. AIA hotline at (800) 590-0559 or email them at aia.choiohd.com.

B.Shop Drawings: For each installation and for special components not dimensioned or detailed in manufacturer's product data.

1.Include plans, elevations, sections, and mounting details.

2.Include details of equipment assemblies, and indicate dimensions, required clearances, method of field assembly, and components.

3.Upon request, provide points of attachment and their corresponding static and dynamic loads imposed on structure.

Retain first subparagraph below for fire-rated doors.

4.Show locations of controls, locking devices, detectors or replaceable fusible links, and other accessories.

Retain "Samples for Initial Selection" and "Samples for Verification" paragraphs below for two-stage Samples.

C.Samples for Initial Selection: Manufacturer's finish charts showing full range of colors and textures available for units with factory-applied finishes.

1.Include similar Samples of accessories involving color selection.

D.Samples for Verification: Upon request, provide for each type of exposed finish on the following components, in manufacturer's standard sizes:

Revise subparagraphs below to suit Project; delete items not required.

1.Curtain slats.

2.Bottom bar.

3.Guides.

1.4INFORMATIONAL SUBMITTALS

Coordinate "Qualification Data" Paragraph below with qualification requirements in Section 014000 "Quality Requirements" and as may be supplemented in "Quality Assurance" Article.

A.Qualification Data: For Installer.

1.5CLOSEOUT SUBMITTALS

A.Maintenance Data: For coiling counter doors to include in maintenance manuals.

1.6QUALITY ASSURANCE

A.Installer Qualifications: An entity that employs installers and supervisors who are trained and approved by manufacturer for both installation and maintenance of units required for this Project.

Retain "Maintenance Proximity" Subparagraph below if retaining "Maintenance Service" Article.

1.Maintenance Proximity: Not more than [two] <Insert number> hours' normal travel time from Installer's place of business to Project site.

Retain "Fire-Rated Door Assemblies" Paragraph below if applicable. Coiling counter doors are labeled by UL for sizes not exceeding 152 sq. ft. (14 sq. m), with no dimension exceeding 13 feet 6 inches (4.11 m). See Evaluations.

B.Fire-Rated Door Assemblies: Assemblies complying with NFPA 80 that are listed and labeled by a qualified testing agency, for fire-protection ratings indicated, based on testing at as close to neutral pressure as possible according to [NFPA 252] [or] [UL 10B].

1.Smoke Control: [Where indicated] [In corridors and smoke barriers], provide doors that are listed and labeled with the letter "S" on the fire-rating label by a qualified testing agency for smoke- and draft-control based on testing according to UL 1784; with maximum air-leakage rate of 3.0 cfm/sq. ft. (0.01524 cu. m/s x sq. m) of door opening at 0.10-inch wg (24.9 Pa) for both ambient and elevated temperature tests.

PART 2 - PRODUCTS

See Editing Instruction No. 1 in the Evaluations for cautions about named manufacturers and products. For an explanation of options and Contractor's product selection procedures, see Section 016000 "Product Requirements."

2.1MANUFACTURERS, GENERAL

A.Source Limitations: Obtain coiling counter doors from single source from single manufacturer.

Retain subparagraph below or revise to suit Project.

1.Obtain operators and controls from coiling counter door manufacturer.

2.2COUNTER DOOR ASSEMBLY <Insert drawing designation>

Copy this article and re-edit for each non-fire-rated counter-door unit. This article is intended as a guide if Project requires several units of varying sizes, characteristics, and capacities. For each door assembly, retain required options in this article and their related requirements in other Part 2 articles. Consult manufacturers for recommendations and availability.

Insert number to complete drawing designation for each unit required. Use these designations on Drawings to identify each coiling counter door.

A.Counter Door: Coiling counter door formed with curtain of interlocking metal slats.

1.Basis-of-Design Product: Subject to compliance with requirements, provide C.H.I. Overhead Doors; 6500 series or comparable product by one of the following:

a.ASTA Door Corporation.

b.Clopay Building Products.

c.Cornell Iron Works, Inc.

d.McKeon Rolling Steel Door Company, Inc.

e.Overhead Door Corporation.

f.Raynor.

g.<Insert manufacturer's name>.

Retain one of three options in "Operation Cycles" Consult manufacturer for recommendations.

B.Operation Cycles: Door components and operators capable of operating for not less than [20 cycles per day] [20,000 cycles] [50,000 cycles]<Insert number>. One operation cycle is complete when a door is opened from the closed position to the fully open position and returned to the closed position.

C.Door Curtain Material: [Galvanized steel] [Stainless steel] [Aluminum].

Slat profile and sizes in "Door Curtain Slats" Paragraph below vary among manufacturers. Revise size to a range if exact size is not important. Curved slats are not insulated.

D.Door Curtain Slats: Flat profile slats of 1-1/2-inch (38-mm) center-to-center height.

E.Bottom Bar: Manufacturer's standard continuous channel or tubular shape, fabricated [stainless steel] [or] [aluminum extrusion with clear anodized finish and integral finger pulls].

Consult manufacturer for availability of the two options in "Curtain Jamb Guides" Paragraph below, which are sometimes used with counter doors.

F.Curtain Jamb Guides: [Stainless steel] [Aluminum with clear anodized finish and integral wear strips to prevent metal-to-metal contact and to minimize operational noise.]

Retain "Hood" or "Integral Frame, Hood, and Fascia" Paragraph below.

G.Hood: [Match curtain material and finish] [Galvanized steel] [Stainless steel] [Aluminum].

1.Shape: Square.

2.Mounting: [Face of wall] [Between jambs] [As shown on Drawings].

The industry generally discourages using locks on motor-operated coiling doors; see Evaluations.

H.Locking Devices: Equip door with locking device assembly.

1.Locking Device Assembly: Cremone type, both jamb sides locking bars, operable from [inside with thumb turn] [outside with cylinder] [outside only, with cylinder] [inside and outside with cylinders] <Insert requirement>.

Retain "Manual Door Operator" or "Electric Door Operator" Paragraph below.

I.Manual Door Operator: [Push-up operation] [Manufacturer's standard crank operator] [Awning-crank operator].

Retain first subparagraph below for crank operator if located on other side of wall from door curtain.

1.Provide operator with through-wall shaft operation.

Retain subparagraph below for crank operators if required.

2.Provide operator with manufacturer's standard removable operating arm.

J.Electric Door Operator:

Retain one of two options in "Usage Classification" Subparagraph below or revise to suit Project. Usage classification varies among manufacturers and for each operator design; it is a durability requirement separate from whole-door "operation cycles." Consult manufacturer for specific recommendations.

1.Usage Classification: [Medium duty, up to 12 cycles per hour and up to 50 cycles per day] [Light duty, up to 10 cycles per hour] <Insert classification>.

2.Operator Location: [Wall] [Inside Barrel] [Through wall] [As shown on Drawings].

Retain one of two options in "Motor Exposure" Subparagraph below or revise to suit Project. The operating environment, including hazardous conditions, may require other motor types and enclosure modifications.

3.Motor Exposure: [Interior] [Exterior, wet, and humid].

4.Emergency Manual Operation: [Push-up] [Chain] [Crank] type.

Retain "Obstruction-Detection Device" Subparagraph below if required.

5.Obstruction-Detection Device: Automatic [photoelectric sensor] [electric sensor edge on bottom bar] [pneumatic sensor edge on bottom bar] [; self-monitoring type] <Insert type>.

Retain "Sensor Edge Bulb Color" Subparagraph below if retaining second or third option in "Obstruction-Detection Device" Subparagraph above.

a.Sensor Edge Bulb Color: [Black] [As selected by Architect from manufacturer's full range].

Indicate on Drawings which side of door is exterior face if it is not obvious.

6.Control Station(s): [Interior-side mounted] [Exterior-side-mounted] and [Flush mounted] [Surface mounted] [Where shown on Drawings] <Insert location>.

7.Other Equipment: <Insert device>.

See "Curtain Accessories" Article for where each option in "Curtain Accessories" Paragraph below is used.

K.Curtain Accessories: Equip door with [astragal] [pull-down strap] [pole hook]<Insert item>.

L.Door Finish:

Retain one of first four subparagraphs below. These include advertised materials and finishes; available materials and finishes vary with each manufacturer. If retaining more than one, indicate location of each on Drawings or by inserts.

1.Aluminum Finish: Clear anodized.

2.Powder-Coated Finish: [Color matching Architect's sample] [Color as selected by Architect from manufacturer's full range] <Insert color>.

3.Factory Baked Enamel Finish: Manufacturer's standard color.

4.Stainless-Steel Finish: No. 4 (polished directional satin).

2.3FIRE-RATED COUNTER DOOR ASSEMBLY <Insert drawing designation>

Copy this article and re-edit for each fire-rated counter-door unit. This article is intended as a guide if Project requires several units of varying sizes, characteristics, and capacities. For each door assembly, retain required options in this article and their related requirements in other Part 2 articles. Consult manufacturers for recommendations and availability.

Insert number to complete drawing designation for each unit required. Use these designations on Drawings to identify each coiling counter door.

A.Fire-Rated Counter Door: Overhead fire-rated coiling door formed with curtain of interlocking metal slats.

1.Basis-of-Design Product: Subject to compliance with requirements, provide C.H.I. Overhead Doors; 7500 series or comparable product by one of the following:

a.ASTA Door Corporation.

b.Clopay Building Products.

c.Cornell Iron Works, Inc.

d.McKeon Rolling Steel Door Company, Inc.

e.Overhead Door Corporation.

f.Raynor.

g.<Insert manufacturer's name>.

Retain one of three options in "Operation Cycles" Paragraph below.. Consult manufacturer for recommendations.

B.Operation Cycles: Door components and operators capable of operating for not less than [20 cycles per day] [20,000 cycles] [50,000 cycles] <Insert number>. One operation cycle is complete when a door is opened from the closed position to the fully open position and returned to the closed position.

Verify availability of temperature-rise limit option in "Fire Rating" Paragraph below before retaining. This is required by codes by codes for some locations.

C.Fire Rating: [3/4 hour] [1-1/2 hours] [3 hours] [with smoke control].

D.Door Curtain Material: [Galvanized] [Stainless] steel.

Slat profile and sizes in "Door Curtain Slats" Paragraph below vary among manufacturers. Revise size to a range if exact size is not important. Curved slats are not insulated.

E.Door Curtain Slats: Flat profile slats of 1-1/2-inch (38-mm) center-to-center height.

F.Curtain Jamb Guides: [Stainless] [Painted] steel.

Retain "Hood" or "Integral Frame, Hood, and Fascia" Paragraph below.

G.Hood: [Match curtain material and finish] [Galvanized steel] [Stainless steel].

1.Shape: Square.

2.Mounting: [Face of wall] [Between jambs] [As shown on Drawings].

The industry generally discourages using locks on motor-operated coiling doors; see Evaluations.

H.Locking Devices: Equip door with [plated steel] [stainless steel] side locking bolts to engage through slots in tracks for locking by padlock, located on both left and right jamb sides, operable from coil side.

Retain "Manual Door Operator" or "Electric Door Operator" Paragraph below.

I.Manual Door Operator: [Push-up operation] [Awning-crank operator].

Retain subparagraph below for crank operators if required.

1.Provide operator with manufacturer's standard removable operating arm.

J.Electric Door Operator:

Retain one of four options in "Usage Classification" Subparagraph below or revise to suit Project. Usage classification varies among manufacturers and for each operator design; it is a durability requirement separate from whole-door "operation cycles." Consult manufacturer for specific recommendations.

1.Usage Classification: [Medium duty, up to 12 cycles per hour and up to 50 cycles per day] [Light duty, up to 10 cycles per hour] <Insert classification>.

2.Operator Location: Wall.

Retain one of two options in "Motor Exposure" Subparagraph below or revise to suit Project. The operating environment, including hazardous conditions, may require other motor types and enclosure modifications.

3.Motor Exposure: [Interior] [Exterior, wet, and humid].

4.Emergency Manual Operation: [Push-up] [Chain] [Crank] type.

Retain "Obstruction-Detection Device" Subparagraph below if door is used as an automatic garage door; consider retaining it for other door uses.

5.Obstruction Detection Device: Automatic [photoelectric sensor] [electric sensor edge on bottom bar] [pneumatic sensor edge on bottom bar] [; self-monitoring type] <Insert type>.

Retain "Sensor Edge Bulb Color" Subparagraph below if retaining second or third option in "Obstruction-Detection Device" Subparagraph above.

a.Sensor Edge Bulb Color: [Black] [As selected by Architect from manufacturer's full range] <Insert color>.

Indicate on Drawings which side of door is exterior face if it is not obvious.

6.Control Station(s): [Interior-side mounted] [Exterior-side mounted] and [Flush mounted] [Surface mounted] [Where shown on Drawings] <Insert location>.

7.Other Equipment: <Insert device>.

See "Curtain Accessories" Article for where each option in "Curtain Accessories" Paragraph below is used.

K.Curtain Accessories: Equip door with automatic closing device, [smoke seals] [astragal] [push/pull handles] [pole hook] <Insert item>.

L.Door Finish:

Retain one of first three subparagraphs below. These include advertised materials and finishes; available materials and finishes vary with each manufacturer. If retaining more than one, indicate location of each on Drawings or by inserts.

1.Powder-Coated Finish: [Color matching Architect's sample] [Color as selected by Architect from manufacturer's full range] <Insert color>.

2.Factory Baked Enamel Finish: Manufacturer's standard color.

3.Stainless-Steel Finish: No. 4 (polished directional satin).

2.4MATERIALS, GENERAL

A.Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, by a qualified testing agency, and marked for intended location and application.

2.5DOOR CURTAIN MATERIALS AND CONSTRUCTION

Retain requirements in this article to suit Project. If retaining multiple requirements for different doors and to identify optional requirements for a single door, revise requirements below and insert text as needed in counter door assembly articles retained in Part 2.

A.Door Curtains: Fabricate coiling counter-door curtain of interlocking metal slats in a continuous length for width of door without splices. Unless otherwise indicated, provide slats of thickness and mechanical properties recommended by door manufacturer for performance, size, and type of door indicated, and as follows:

Retain one or more of "Steel Door Curtain Slats," "Stainless-Steel Door Curtain Slats," and "Aluminum Door Curtain Slats" subparagraphs below for required slat materials. Consult manufacturers' data and revise subparagraphs to specify other materials if needed. Verify sheet thicknesses with manufacturer.

1.Steel Door Curtain Slats: Zinc-coated (galvanized), cold-rolled structural steel sheet; complying with ASTM A 653/A 653M, with G90 (Z275) zinc coating; nominal sheet thickness (coated) of 0.028 inch (0.71 mm); and as required.

2.Stainless-Steel Door Curtain Slats: ASTM A 666, Type 304; sheet thickness of 0.025 inch (0.64 mm); and as required.

Aluminum is not applicable to fire-rated assemblies.

3.Aluminum Door Curtain Slats: ASTM B 209 (ASTM B 209M) sheet or ASTM B 221 (ASTM B 221M) extrusions, alloy and temper standard with manufacturer for type of use and finish indicated; thickness of 0.050 inch (1.27 mm); and as required.

B.Curtain Jamb Guides: Manufacturer's standard angles or channels and angles of same material and finish as curtain slats unless otherwise indicated, with sufficient depth and strength to retain curtain, to allow curtain to operate smoothly, and to withstand loading. Slot bolt holes for guide adjustment. Provide removable stops on guides to prevent overtravel of curtain.

2.6HOODS

Retain requirements in this article to suit Project if coiled curtain and operating mechanism are exposed (not concealed in ceiling or soffit); consider retaining a hood even if coiled curtain is above ceiling. If retaining multiple requirements for different doors and to identify optional requirements for a single door, revise requirements below and insert text as needed in counter door assembly articles retained in Part 2.

A.General: Form sheet metal hood to entirely enclose coiled curtain and operating mechanism at opening head. Contour to fit end brackets to which hood is attached. Roll and reinforce top and bottom edges for stiffness. Form closed ends for surface-mounted hoods and fascia for any portion of between-jamb mounting that projects beyond wall face. Equip hood with intermediate support brackets as required to prevent sagging.

Retain required material(s) in "Galvanized Steel," "Stainless Steel," and "Aluminum" subparagraphs below. Thicker steel sheet is available from some manufacturers; verify availability.

1.Galvanized Steel: Nominal 0.020-inch- (0.508-mm-) thick, hot-dip galvanized steel sheet with G90 (Z275) zinc coating, complying with ASTM A 653/A 653M.

2.Stainless Steel: 0.0235-inch- (0.6-mm-) thick stainless-steel sheet, Type 304, complying with ASTM A 666.

"Aluminum" Subparagraph below is for non-fire-rated doors only. Clear-anodized and powder coat finishes are available.

3.Aluminum: 0.040-inch- (1.02-mm-) thick aluminum sheet complying with ASTM B 209 (ASTM B 209M), of alloy and temper recommended by manufacturer and finisher for type of use and finish indicated.

2.7LOCKING DEVICES

Retain requirements in this article to suit Project. If retaining multiple requirements for different doors and to identify optional requirements for a single door, revise requirements below and insert text as needed in counter door assembly articles retained in Part 2.

Retain one of the paragraphs below for required locking device. First paragraph is available for fire rated counter doors only. Second paragraph describes a locking device with choice of locations and operation as retained in counter door assembly articles in Part 2, and is available only for non-rated counter doors.

A.Slide Bolt: Fabricate with side-locking bolts to engage through slots in tracks for locking by padlock, located on both left and right jamb sides, operable from coil side.

B.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.

Retain one of first three options in "Lock Cylinders" Subparagraph below.

1.Lock Cylinders: Cylinders [standard with manufacturer] [specified in Section 087100 "Door Hardware" and provided by hardware supplier] [specified in Section 087111 "Door Hardware (Descriptive Specification)" and provided by hardware supplier] [and keyed to building keying system by the hardware supplier].

Retain "Keys" Subparagraph below if cylinders are provided by door manufacturer.

2.Keys: [Two] [Three] <Insert number> for each cylinder.

Retain "Safety Interlock Switch" Paragraph below for power-operated doors.

C.Safety Interlock Switch: Equip power-operated doors with safety interlock switch to disengage power supply when door is locked.

2.8CURTAIN ACCESSORIES

Retain requirements in this article to suit Project. If retaining multiple requirements for different doors and to identify optional requirements for a single door, revise requirements below and insert text as needed in counter door assembly articles retained in Part 2.

Retain "Smoke Seals" Paragraph below for fire-rated doors.

A.Smoke Seals: Equip each fire-rated door with replaceable smoke-seal perimeter gaskets or brushes for smoke and draft control as required for door listing and labeling by a qualified testing agency.

B.Astragal: Equip each door bottom bar with a replaceable, adjustable, continuous, compressible gasket of flexible vinyl, rubber, or neoprene as a cushion bumper.

Retain "Push/Pull Handles" Paragraph below for push-up-operated doors or emergency push-up operation.

C.Push/Pull Handles: Equip each push-up-operated or emergency-operated door with lifting handles on each side of door, finished to match door.

Retain "Pole Hooks" Paragraph below if required. Consult manufacturer for recommendations.

D.Pole Hooks: Provide pole hooks and poles for doors more than 84 inches (2130 mm) high.

Retain "Automatic-Closing Device" Paragraph below for fire-rated doors.

E.Automatic-Closing Device: Equip each fire-rated door with an automatic-closing device or holder-release mechanism and governor unit complying with NFPA 80 and an easily tested and reset release mechanism. Automatic-closing device shall be designed for activation by the following:

Retain one or more of four subparagraphs below and insert others if required to suit Project. If more than one type of activation (or combination) is required, identify primary and secondary closing devices. Verify requirements of authorities having jurisdiction. See Evaluations.

Retain first subparagraph below to comply with NFPA 80 requirement for fusible links on both sides of door opening. Revise if not required on both sides of door opening or to add fusible-link ceiling unit for use with suspended ceilings.

1.Replaceable fusible links with melting point of [165 deg F (74 deg C)] <Insert temperature> interconnected and mounted on both sides of door opening.

2.Manufacturer's standard UL-labeled smoke detector and door-holder-release devices.

3.Manufacturer's standard UL-labeled heat detector and door-holder-release devices.

4.Building fire-detection, smoke-detection, and -alarm systems.

Insert other accessories to suit Project.

2.9COUNTERBALANCING MECHANISM

Retain this article for all doors.

A.General: Counterbalance doors by means of manufacturer's standard mechanism with an adjustable-tension, steel helical torsion spring mounted around a steel shaft and contained in a spring barrel connected to top of curtain with barrel rings. Use grease-sealed bearings or self-lubricating graphite bearings for rotating members.

In "Counterbalance Barrel" Paragraph below, retain "seamless" option for greatest durability and "welded" option for lower cost and smaller doors. Consult manufacturer for recommendations.

B.Counterbalance Barrel: Fabricate spring barrel of manufacturer's standard hot-formed, structural-quality, welded carbon-steel pipe, of sufficient diameter and wall thickness to support rolled-up curtain without distortion of slats and to limit barrel deflection to not more than 0.03 in./ft. (2.5 mm/m) of span under full load.

C.Counterbalance Spring: One or more oil-tempered, heat-treated steel helical torsion springs. Size springs to counterbalance weight of curtain, with uniform adjustment accessible from outside barrel. Secure ends of springs to barrel and shaft with cast-steel barrel plugs.

D.Brackets: Manufacturer's standard mounting brackets of either cast iron or cold-rolled steel plate.

2.10MANUAL DOOR OPERATORS

Retain this article for manually operated doors, not including emergency manual operation for electric door operators.

Retain requirements in this article to suit Project. If retaining multiple requirements for different doors and to identify optional requirements for a single door, revise requirements below and insert text as needed in counter door assembly articles retained in Part 2.

A.General: Equip door with manual door operator by door manufacturer.

Requirement in "Push-up Door Operation" Paragraph below is common for doors with area of not more than 80 sq. ft. (7.4 sq. m); counter depth is also a factor.

B.Push-up Door Operation: Design counterbalance mechanism so that required lift or pull for door operation does not exceed [25 lbf (111 N)] <Insert value>.

"Awning" and "box" are the two types of crank operators. Indicate required type in door assembly articles retained in Part 2. See Evaluations.

C.Crank Operator: Consisting of crank and gear-reduction unit, of type indicated. Size gears to require not more than [25-lbf (111-N)] [30-lbf (133-N)] <Insert value> force to turn crank. Fabricate gearbox to be oil tight and to completely enclose operating mechanism. Provide manufacturer's standard crank-locking device.

2.11ELECTRIC DOOR OPERATORS

Retain this article for electric door operators, including emergency manual operation, and for larger units and remotely controlled or frequently operated doors. Coordinate with Project's electrical engineer for interface of electric door operators and equipment with fire-protection system.

Retain requirements in this article to suit Project. If retaining multiple requirements for different doors and to identify optional requirements for a single door, revise requirements below and insert text as needed in counter door assembly articles retained in Part 2.

A.General: Electric door operator assembly of size and capacity recommended and provided by door manufacturer for door and operation-cycles requirement specified, with electric motor and factory-prewired motor controls, starter, gear-reduction unit, solenoid-operated brake, clutch, control stations, control devices, integral gearing for locking door, and accessories required for proper operation.

1.Comply with NFPA 70.

2.Control equipment complying with NEMA ICS 1, NEMA ICS 2, and NEMA ICS 6, with NFPA 70 Class 2 control circuit, maximum 24-V ac or dc.

Durability requirement in "Usage Classification" Paragraph below is separate from "operation cycles," which apply to the whole door system and are specified in door assembly articles.

B.Usage Classification: Electric operator and components capable of operating for not less than number of cycles per hour indicated for each door.

C.Door Operator Location(s): Operator location indicated for each door.

Retain one or both subparagraphs below as required for Project. Delete all subparagraphs if operator location(s) is shown on Drawings.

1.Wall Mounted: Operator is mounted to the inside front wall on the left or right side of door and connected to door drive shaft with drive chain and sprockets. Side room is required for this type of mounting. Wall mounted operator can also be mounted above or below shaft; if above shaft, headroom is required.

2.Through-Wall Mounted: Operator is mounted on other side of wall from coil side of door.

Retain option in "Motors" Paragraph below unless external controller (disconnect switch) is indicated on Drawings. Coordinate with Project's electrical engineer.

D.Motors: Reversible-type motor for motor exposure indicated.

1.Electrical Characteristics:

Retain one of two options in "Phase" Subparagraph below based on required motor size. Verify motor performance and availability with door manufacturer and coordinate electrical characteristics with Project's electrical engineer. See Evaluations.

a.Phase: [Single phase] [Polyphase].

b.Volts: [115] [208] [230] [460] <Insert value> V.

c.Hertz: 60.

Speed in "Motor Size" Subparagraph below is for standard-speed doors. Consult manufacturer and revise for higher-speed operation.

2.Motor Size: Minimum size as indicated. If not indicated, large enough to start, accelerate, and operate door in either direction from any position, at a speed not less than 8 in./sec. (203 mm/s) and not more than 12 in./sec. (305 mm/s), without exceeding nameplate ratings or service factor.

Revise "Operating Controls, Controllers, Wiring Devices, and Wiring" Subparagraph below if required; coordinate requirements with Project's electrical engineer. Verify which electrical devices, connections, and wiring, if any, are furnished or installed by other than the coiling-door manufacturer; these devices must comply with requirements for electrical devices and connections specified elsewhere.

3.Operating Controls, Controllers, Wiring Devices, and Wiring: Manufacturer's standard unless otherwise indicated.

4.Coordinate wiring requirements and electrical characteristics of motors and other electrical devices with building electrical system and each location where installed.

E.Limit Switches: Equip each motorized door with adjustable switches interlocked with motor controls and set to automatically stop door at fully opened and fully closed positions.

Retain "Obstruction Detection Devices" Paragraph below if required; revise if required for fire-rated door applications according to requirements of authorities having jurisdiction.

F.Obstruction Detection Devices: External entrapment protection consisting of indicated automatic safety sensor capable of protecting full width of door opening.[ For non-fire-rated doors, activation of device immediately stops and reverses downward door travel.][ For fire-rated doors, activation delays closing.]

Retain "Photoelectric Sensor" or "Electric Sensor Edge" Subparagraph below, or both, to suit Project.

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

Retain "Self-Monitoring Type" Subparagraph below if a self-monitoring system to detect failure of sensing device is required.

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

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

Retain "Self-Monitoring Type" Subparagraph below if a self-monitoring system to detect failure of sensing device is required.

a.Self-Monitoring Type: Four-wire configured device designed to interface with door operator control circuit to detect damage to or disconnection of sensor edge.

Device in "Pneumatic Sensor Edge" Subparagraph below may be limited to a width of 18 feet (5.5 m); verify availability with manufacturer.

3.Pneumatic Sensor Edge: Automatic safety sensor edge, located within astragal mounted to bottom bar. Contact with sensor activates device.

Retain "Control Station" Paragraph for control stations in fixed locations. A sustained- or constant-pressure (in lieu of a momentary-contact) switch may also be required for opening cycles according to authorities having jurisdiction; revise requirements and counter door assembly articles retained in Part 2 as needed.

G.Control Station: Three-button control station in fixed location with momentary-contact push-button controls labeled "Open" and "Stop" and sustained- or constant-pressure push-button control labeled "Close."

Retain "Type" Subparagraph below for interior, clean, and dry installations. Revise to suit Project.

1.Type: Full-guarded, surface-mounted, heavy-duty type, with general-purpose NEMA ICS 6, Type 1 enclosure.

H.Emergency Manual Operation: Equip each electrically powered door with capability for emergency manual operation. Design manual mechanism so required force for door operation does not exceed [25 lbf (111 N)] [30 lbf (133 N)] <Insert value>.

I.Emergency Operation Disconnect Device: Equip operator with hand-operated disconnect mechanism for automatically engaging manual operator and releasing brake for emergency manual operation while disconnecting motor without affecting timing of limit switch. Mount mechanism so it is accessible from floor level. Include interlock device to automatically prevent motor from operating when emergency operator is engaged.

Insert additional equipment for door operation if required; verify availability with manufacturer.

2.12GENERAL FINISH REQUIREMENTS

A.Comply with NAAMM/NOMMA's "Metal Finishes Manual for Architectural and Metal Products (AMP 500-06)" for recommendations for applying and designating finishes.

B.Appearance of Finished Work: Noticeable variations in same piece are not acceptable. Variations in appearance of adjoining components are acceptable if they are within the range of approved Samples and are assembled or installed to minimize contrast.

2.13ALUMINUM FINISHES

Retain finishes in this article to suit Project. If retaining more than one for different doors and to identify optional requirements for a single door, revise requirements below and insert text as needed in counter door assembly articles retained in Part 2.

A.Clear Anodic Finish: AAMA 611, AA-M12C22A31, Class II, 0.010 mm or thicker.

"Powder-Coat Finish" Paragraph below references AAMA standard for pigmented organic coating on extrusions and panels.

B.Powder-Coat Finish: AAMA 2603. Comply with coating manufacturer's written instructions for cleaning, conversion coating, application, and baking.

2.14STEEL AND GALVANIZED-STEEL FINISHES

Revise article title if galvanized surfaces are not finish painted.

Retain "Factory Baked Enamel Finish" or "Powder-Coat Finish" Paragraph below, or both. If retaining both paragraphs for different doors and to identify optional requirements for a single door, revise requirements below and insert text as needed in counter door assembly articles retained in Part 2.

A.Factory Baked Enamel Finish: Manufacturer's standard baked enamel finish. Comply with coating manufacturer's written instructions for cleaning, pretreatment, application, and minimum dry film thickness.

B.Powder-Coat Finish: Manufacturer's standard powder coat finish. Comply with coating manufacturer's written instructions for cleaning, pretreatment, application, and minimum dry film thickness.

For exact finish, insert names of coating manufacturers and products.

2.15STAINLESS-STEEL FINISHES

A.Surface Preparation: Remove tool and die marks and stretch lines, or blend into finish.

B.Polished Finishes: Grind and polish surfaces to produce uniform finish, free of cross scratches.

1.Run grain of directional finishes with long dimension of each piece.

2.When polishing is completed, passivate and rinse surfaces. Remove embedded foreign matter and leave surfaces chemically clean.

3.Directional Satin Finish: No. 4.

PART 3 - EXECUTION

3.1EXAMINATION

A.Examine substrates areas and conditions, with Installer present, for compliance with requirements for substrate construction and other conditions affecting performance of the Work.

B.Examine locations of electrical connections.

C.Proceed with installation only after unsatisfactory conditions have been corrected.

3.2INSTALLATION

A.Install coiling counter doors and operating equipment complete with necessary hardware, anchors, inserts, hangers, and equipment supports; according to manufacturer's written instructions and as specified.

B.Install coiling counter doors, hoods, controls, and operators at the mounting locations indicated for each door.

Retain "Fire-Rated Doors" and "Smoke-Control Doors" paragraphs below if required.

C.Fire-Rated Doors: Install according to NFPA 80.

D.Smoke-Control Doors: Install according to NFPA 80 and NFPA 105.

3.3STARTUP SERVICE

A.Engage a factory-authorized service representative to perform startup service.

1.Perform installation and startup checks according to manufacturer's written instructions.

2.Test and adjust controls and safety devices. Replace damaged and malfunctioning controls and equipment.

Retain subparagraph below for fire-rated doors. Verify whether testing is required by authorities having jurisdiction; revise accordingly.

3.Test door closing when activated by detector or alarm-connected fire-release system. Reset door-closing mechanism after successful test.

3.4ADJUSTING

A.Adjust hardware and moving parts to function smoothly so that doors operate easily, free of warp, twist, or distortion.

B.Lubricate bearings and sliding parts as recommended by manufacturer.

Retain paragraph below if smoke-control doors are required.

C.Adjust seals to provide tight fit around entire perimeter.

3.5MAINTENANCE SERVICE

Verify with Owner that maintenance service is required for Project.

A.Initial Maintenance Service: Beginning at Substantial Completion, maintenance service shall include [three] [six] [nine] [12] months' full maintenance by skilled employees of coiling-door Installer. Include [monthly] [quarterly] preventive maintenance, repair or replacement of worn or defective components, lubrication, cleaning, and adjusting as required for door operation. Parts and supplies shall be manufacturer's authorized replacement parts and supplies.

Retain one of two subparagraphs below. Generally retain second subparagraph, which adds appreciable cost, only for critical locations.

1.Perform maintenance, including emergency callback service, during normal working hours.

2.Include 24-hour-per-day, seven-day-per-week, emergency callback service.

3.6DEMONSTRATION

A.Engage a factory-authorized service representative to train Owner's maintenance personnel to adjust, operate, and maintain coiling counter doors.

END OF SECTION 083313

COILING COUNTER DOORS

083313 -




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