Copyright 2011 AIAMasterSpec Full Length11/11

PRODUCT MASTERSPEC LICENSED BY ARCOM TO DYNAMIC CLOSURES CORPORATION.

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 Dynamic Closures Corporation ("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 Dynamic Closures Corporation, PO Box 627 Massena, NY 13662; Phone: (800) 663-4599; Fax: (800) 663-4599; Website: Email: .

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

SECTION083326 - OVERHEAD COILING GRILLES

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.

  1. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division01 Specification Sections, apply to this Section.

1.2SUMMARY

  1. Section Includes:
  2. Open-curtain overhead coiling grilles.
  3. Closed-curtain overhead coiling grilles.

1.3ACTION SUBMITTALS

  1. Product Data: For each type and size of overhead coiling grille and accessory.
  2. Include construction details, material descriptions, dimensions of individual components, profiles for curtain components, and finishes.
  3. Include rated capacities, operating characteristics, electrical characteristics, and furnished accessories.
  4. Shop Drawings: For each installation and for special components not dimensioned or detailed in manufacturer's product data.
  5. Include plans, elevations, sections, and mounting details.
  6. Include details of equipment assemblies. Indicate dimensions and required clearances.
  7. Include diagrams for power, signal, and control wiring, if applicable.
  8. Samples for Initial Selection: Manufacturer's online finish charts showing full range of colors.
  9. Samples for Verification: For clear anodized finish on the following components, in manufacturer's standard sizes:
  10. Full sized curtain sample approximately 2 feet(610mm) by 2 feet(610 mm) to illustrate chosen model assembly.
  11. Bottom bar: 6 inch(152 mm) piece.
  12. Guides: 6 inch(152 mm) piece.

1.4CLOSEOUT SUBMITTALS

  1. Maintenance Data: For overhead coiling grilles to be included in maintenance manuals.

1.5QUALITY ASSURANCE

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

PART 2 - PRODUCTS

2.1MANUFACTURERS, GENERAL

  1. Source Limitations: Obtain overhead coiling grilles from single source listed below.

Retain subparagraph below or revise to suit Project.

  1. Obtain operators and controls from a DASMA (Door and Access Systems Manufacturing Association) recognized industry manufacturer.

2.2OPEN-CURTAIN GRILLE ASSEMBLY <Insert drawing designation

Copy this article and re-edit for each open-curtain coiling-grille unit. This article is intended as a guide if Project requires several units of varying sizes, characteristics, and capacities. For each grille assembly, retain required options in this article and their related requirements in other Part2 articles. Consult manufacturers for recommendations and availability.

Insert drawing designation. Use these designations on Drawings to identify each product.

  1. Open-Curtain Grille: Overhead coiling[, full height][,countertop] grille with a curtain having a network of aluminum horizontal rods that interconnect with aluminum vertical links.
  2. Basis-of-Design Product: Subject to compliance with requirements, provide Dynamic Closures Corporation; [Porticullis] [Labyrinth]or comparable product by one of the following:
  3. CHI Overhead Door Corporation.
  4. Overhead Door Corporation.
  5. Insert manufacturer's name>.
  6. Operation Cycles: Grille components and operators capable of operating for not less than 10,000. One operation cycle is complete when a grille is opened from the closed position to the fully open position and returned to the closed position.
  7. Grille Curtain Material: Aluminum.
  8. Rod Spacing: Approximately 1-3/4 inches (44 mm) o.c.

Two patterns in "Link Spacing"Subparagraph below are available; choose to suit Project. Retain first pattern option in "Link Spacing" below for Portcullis model is specified in "Basis-of-Design Product" subparagraph above. Retain second pattern option if Labyrinth model is specified.

  1. Link Spacing: Approximately 9 inches (228 mm) apart in a [straight in-line] [brick (staggered)] pattern.
  2. Spacers: Aluminum tubes matching curtain material on every other rod.
  1. Bottom Bar: Aluminum extrusion with exposed finish matching curtain. .
  2. Curtain Jamb Guides: Aluminumextrusion with exposed finish matching curtain. Provide continuous integral wear strips to prevent metal-to-metal contact and to minimize operational noise.
  3. Hood: [None] [Match curtain material and finish] [Clear anodized Aluminum, 26 ga] [Mill Aluminum, 26 ga] [Painted steel, 26 ga].

Retain "Color" subparagraph below if Painted Steel was selected in "Hood" paragraph above.

  1. Color: [Grey] [Brown] [White].
  1. Mounting: [Face of wall with double wall aluminum angles] [Between jambs] [3 inch x 3 inch (76 mm x 76 mm)steel support tubes] [2.5 inch x 3 inch (64 mm x 76 mm)telescoping aluminum tubes] [As indicated on Drawings].

Retain one of two options in "Locking Devices"Paragraph below. The industry generally discourages using locks on motor-operated coiling grilles; see Evaluations.

  1. Locking Devices: Equip grille with [none] [bottom barlocking device assembly] .

Retain "Bottom Bar Locking Device Assembly" Subparagraph below if retaining second option in "Locking Devices" Paragraph above.

  1. Bottom Bar Locking Device Assembly: Locking bars, operable from [inside only, with thumb turn] [outside only, with cylinder] [inside and outside with cylinders] [inside with thumb turn and outside with cylinder].
  1. Counterbalancing Mechanism: Counterbalance grills by means of manufacturer's standard mechanism with an adjustable-tension, steel helical spring, mounted around a steel shaft and contained in an aluminum spring barrel connected to top of curtain. Brackets: Manufacturer's standard laser cut mounting brackets of steel plate with cut-out that makes charging arm operational.

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

  1. Manual Grille Operator: [Push-up operation] [Chain-hoist operator] [Manufacturer's standard crank operator]. Design manual mechanism so required force for grille operation does not exceed 25 lbf(111 N).
  2. Electric Grille Operator:
  3. Manufacturers: Subject to compliance with requirements, available manufacturers offering products that may be incorporated into the Work include, but are not limited to, the following:

Specific operators may not be available from all grille manufacturers; operator features may not be common to all operator manufacturers.

  1. Chamberlain Group, Inc. (The).
  2. Overhead Door Corporation.
  3. Insert manufacturer's name>.
  1. Motor Electrical Characteristics:

Retain one of two options in "Phase"Subparagraph below based on required motor size. Verify motor performance and availability with grille manufacturer and coordinate electrical characteristics with Project's electrical engineer. See Evaluations in Section083323 "Overhead Coiling Doors."

  1. Phase: [Single phase] [Polyphase].
  2. Volts: [115] [208] [230] [460] <Insert valueV.
  3. Hertz: 60.
  1. Operator Location: [Top of coil] [Front of coil] [Side of coil] [Wall] [As indicatedon Drawings].
  1. Safety: Listed according to UL325 by a qualified testing agency for commercial or industrial use[;moving parts of operator enclosed or guarded if exposed and mounted at 8 feet(2.4m) or lower].
  1. Emergency Manual Operation: [Push-up] [Chain] [Crank] type.

Retain "Obstruction-Detection Device" Subparagraph below if grille is used as an automatic garage "door"; consider retaining for all power-operated grilles.

  1. Obstruction-Detection Device: Automatic [photoelectric sensor] [electric sensor edge on bottom bar] [;motor self-monitoring]Insert type.
  2. Astragal or Sensor Edge Bulb Color: Black.
  3. Control Station: [Interior mounted] [Exterior mounted] [Interior and exterior mounted] [Where indicatedon Drawings].
  4. Other Equipment:

Retain none, one, or both oftwo subparagraphs below to suit project requirements.

  1. Audible and Visual Signals: Audible alarm and visual indicator lights I compliance with regulatory requirements for accessibility.
  2. Emergency-egress Release: Flush, wall-mounted handle mechanism, for accessibility code-compliant egress feature, not dependant on electric power.
  1. Curtain Accessories: Equip grillewith [ceiling conceal in lieu of standard astragal on bottom bar] [and] [poll hook to assist manual operation] <Insert item>.
  2. Grille Finish:
  3. Aluminum Finish: [Standard Clear anodized] [Champagne] [Light bronze anodized] [Bronze anodized] [Black anodized] <Insert color>.

Retain finishes subparagraphs below to suit Project and to correspond with option selected in subparagraph above.

  1. Clear Anodic Finish: Minimum AA-M12C22A322, Decorative, 0.0002 mm.
  2. Color Anodic Finish: Minimum AA-M12C22A41, Class I, 0.0007 mm.
  3. Mill Finish: Not acceptable.

2.3CLOSED-CURTAIN GRILLE ASSEMBLY <Insert drawing designation

Copy this article and re-edit for each closed-curtain coiling-grille unit. This article is intended as a guide if Project requires several units of varying sizes, characteristics, and capacities. For each grille assembly, retain required options in this article and their related requirements in other Part2 articles. Consult manufacturers for recommendations and availability.

Insert drawing designation. Use these designations on Drawings to identify each product.

  1. Closed-Curtain Closure: Overhead coiling [, full height] [,countertop] grille with a curtain having a series of aluminum horizontal ribs alternating with continuous horizontal infill panels secured by the ribs.
  2. Basis-of-Design Product: Subject to compliance with requirements, provide Dynamic Closures Corporation; [Ventana] [Pristine] [Vortex]or comparable product by one of the following:
  3. CHI Overhead Door Corporation.
  4. Overhead Door Corporation.
  5. Insert manufacturer's name>.
  6. Operation Cycles: Grille components and operators capable of operating for not less than 10,000. One operation cycle is complete when a grille is opened from the closed position to the fully open position and returned to the closed position.
  7. Closure Curtain Material: Continuous aluminum hinges separated by perforated aluminum, polycarbonate panels or solid aluminum slats.

Retain one of three "Closures Model" subparagraphs below to correspond with model specified in "Basis-of-Design Product" subparagraph above.

  1. Closures Model: Ventana, 3-5/16 inch(84 mm) by full width aluminum perforated panels containing 3/16 inch(4.8 mm) diameter holes spaced 1/2 inch(6.4 mm) o.c.; 51 percent viewable area panels connected with single-piece aluminum horizontal hinge.
  2. Closures Model: Pristine, 2 inch x 2-1/2 inch(51 mm x 64 mm) truss-like aluminum slat spaced around 24 inch (610 mm) wide by 2-1/4 inch(57 mm) high polycarbonate inserts. Slats connected with aluminum hinge with V-groove on center.
  3. Closures Model: Vortex, 2-3/8 inch(60 mm) x 1/2 inch(13 mm) deep full length interlocking aluminum flat slat, 0.062 inch(1.6 mm) minimum material thickness with center V-groove.

Retain "Bottom Bar" Paragraph below if other than manufacturer's standard bottom bar, finished to match grille, is required; revise to suit Project.

  1. Bottom Bar: Aluminum extrusion with exposed finish matching curtain.
  2. Curtain Jamb Guides: Aluminum extrusion with exposed finish matching curtain.
  3. Hood: [None] [Match curtain material and finish] [Clear anodizedAluminum, 26 ga] [MillAluminum, 26 ga] [Painted steel, 26 ga].

Retain "Color" subparagraph below if Painted Steel was selected above.

  1. Color: [Grey] [Brown] [White].
  1. Mounting: [Face of wall with double wall aluminum angles] [Between jambs] [3 inch x 3 inch (76 mm x 76 mm) steel support tubes] [2.5 inch x 3 inch (64 mm x 76 mm)telescoping aluminum tubes] [As indicated on Drawings].

Retain one of two options in "Locking Devices"Paragraph below. The industry generally discourages using locks on motor-operated coiling grilles; see Evaluations.

  1. Locking Devices: Equip grille with [none] [bottom bar locking device assembly].

Retain "Bottom Bar Locking Device Assembly" Subparagraph below if retaining second option in "Locking Devices" Paragraph above.

  1. Bottom Bar Locking Device Assembly: Locking bars, operable from [inside only, with thumbturn] [outside only, with cylinder] [inside and outside with cylinders] [inside with thumbturn and outside with cylinder] Insert requirement>.
  1. Counterbalancing Mechanism: Counterbalance grills by means of manufacturer's standard mechanism with an adjustable-tension, steel helical spring, mounted around a steel shaft and contained in an aluminum spring barrel connected to top of curtain. Brackets: Manufacturer's standard laser cut mounting brackets of steel plate with cut-out that makes charging arm operational.

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

  1. Manual Grille Operator: [Push-up operation] [Chain-hoist operator] [Manufacturer's standard crank operator]. Design manual mechanism so required force for grille operation does not exceed 25 lbf(111 N).
  2. Electric Grille Operator:
  3. Manufacturers: Subject to compliance with requirements, available manufacturers offering products that may be incorporated into the Work include, but are not limited to, the following:

Specific operators may not be available from all grille manufacturers; operator features may not be common to all operator manufacturers.

  1. Chamberlain Group, Inc. (The).
  2. Overhead Door Corporation.
  3. Insert manufacturer's name>.
  1. Motor Electrical Characteristics:

Retain one of two options in "Phase"Subparagraph below based on required motor size. Verify motor performance and availability with grille manufacturer and coordinate electrical characteristics with Project's electrical engineer. See Evaluations in Section083323 "Overhead Coiling Doors."

  1. Phase: [Single phase] [Polyphase].
  2. Volts: [115] [208] [230] [460] <Insert valueV.
  3. Hertz: 60.
  1. Operator Location: [Top of coil] [Front of coil] [Side of coil] [As indicatedon Drawings].
  2. Safety: Listed according to UL325 by a qualified testing agency for commercial or industrial use[;moving parts of operator enclosed or guarded if exposed and mounted at 8 feet(2.4m) or lower].
  3. Emergency Manual Operation: [Push-up] [Chain] [Crank] type.
  4. Obstruction-Detection Device: Automatic [photoelectric sensor] [electric sensor edge on bottom bar] [;motor self-monitoring]Insert type.
  5. Astragal or Sensor Edge Bulb Color: Black.
  6. Control Station: [Interior mounted] [Exterior mounted] [Interior and exterior] [Where indicatedon Drawings].
  7. Other Equipment:

Retain none, one, or both of two subparagraphs below to suit project requirements.

  1. Audible and Visual Signals: Audible alarm and visual indicator lights I compliance with regulatory requirements for accessibility.
  2. Emergency-egress Release: Flush, wall-mounted handle mechanism, for accessibility code-compliant egress feature, not dependant on electric power.
  1. Grille Finish:
  2. Aluminum Finish: [Standard Clear anodized] [Champagne] [Light bronze anodized] [Bronze anodized] [Black anodized].
  3. Clear Anodic Finish: Minimum AA-M12C22A22, Decorative, 0.0002 mm.
  4. Color Anodic Finish: Minimum AA-M12C22A41, Class I, 0.007 mm.
  5. Mill Finish: Not acceptable.

PART 3 - EXECUTION

3.1EXAMINATION

  1. Examine substrates, areas, and conditions, with Installer present, for compliance with requirements for substrate construction and other conditions affecting performance of the Work.
  2. Examine locations of electrical connections.
  3. Proceed with installation only after unsatisfactory conditions have been corrected.

3.2INSTALLATION

  1. Install overhead coiling grilles and operating equipment complete with necessary hardware, anchors, inserts, hangers, and equipment supports, according to manufacturer's written instructions and as specified.
  2. Install overhead coiling grilles, hoods, controls, and operators at the mounting locations indicated for each grille.
  3. Accessibility: Install overhead coiling grilles, switches, and controls along accessible routes in compliance with regulatory requirements for accessibility.

3.3STARTUP 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.

3.4ADJUSTING

  1. Adjust hardware and moving parts to function smoothly, so that grilles operate easily, free of warp, twist, or distortion.
  2. Lubricate bearings and sliding parts as recommended by manufacturer.

3.1MAINTENANCE SERVICE

  1. Initial Maintenance Service: Beginning at Substantial Completion, maintenance service should be a minimum of once a year by skilled employees of coiling-grille Installer. Contract of such service is between owner and coiling grill Installer. This service would be preventive maintenance, repair or replacement of worn or defective components, lubrication, cleaning, and adjusting as required for grille operation. Parts and supplies should be manufacturer's authorized replacement parts and supplies.

3.2DEMONSTRATION

  1. Engage a factory-authorized service representative to train Owner's maintenance personnel to adjust, operate, and maintain overhead coiling grilles.

END OF SECTION 083326

OVERHEAD COILING GRILLES / 083326 - 1