SECTION 08 33 00

COILING DOORS AND GRILLES

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 Copyright 2006 -  2019 ARCAT, Inc. - All rights reserved

PART 1    GENERAL
1.1	SECTION INCLUDES
A.	Side Folding Security Grilles, manually operated.
B.	Rolling Security Grilles, manually operated.
C.	Rolling Security Grilles, power operated.
D.	Springless Security Grille. 
E.	Advanced Performance Rolling Security Grille. 
1.2	RELATED SECTIONS
A.	Section 05 50 00 - Metal Fabrications.
B.	Section 06 20 00 - Finish Carpentry.
C.	Section 08 33 23 - Rolling Counter Doors.
D.	Section 08 71 53 - Security Door Hardware.
E.	Section 26 27 16 - Electrical Cabinets and Enclosures.
F.	Section 26 05 00 - Common Work Results for Electrical.
1.3	REFERENCES
A.	ASTM A 653 - Standard Specification for Steel Sheet, Zinc-Coated/Galvanized or Zinc-Iron Alloy-Coated/Galvannealed by the Hot-Dip Process.
B.	ASTM A 666 - Standard Specification for Austenitic Stainless Steel Sheet, Strip, Plate, and Flat Bar.
C.	ASTM A 924 - Standard Specification for General Requirements for Steel Sheet, Metallic-Coated by the Hot-Dip Process.
D.	ASTM B 221 - Standard Specification for Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes.
E.	ASTM B 221 - Standard Specification for Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes - Metric.
F.	NEMA 250 - Enclosures for Electrical Equipment -1000 Volts Maximum.
G.	NEMA ICS 2 - Industrial Control and Systems: Controllers, Contactors, and Overload Relays, Rated Not More Than 2000 Volts AC or 750 Volts DC.
H.	NEMA MG 1 - Motors and Generators.
1.4	SUBMITTALS
A.	Submit under provisions of Section 01 30 00 - Administrative Requirements.
B.	Product Data: Manufacturer's data sheets on each product to be used, including:
1.	Preparation instructions and recommendations.
2.	Storage and handling requirements and recommendations.
3.	Installation methods.
C.	Shop Drawings: Include detailed plans, elevations, details of framing members, required clearances, anchors, and accessories. Include relationship with adjacent materials.
D.	Selection Samples: For each finish product specified, two complete sets of color chips representing manufacturer's full range of available colors and patterns.
E.	Verification Samples:  For each finish product specified, two samples, representing actual product, color, and patterns.
F.	Manufacturer's Certificates: Certify products meet or exceed specified requirements.
1.5	QUALITY ASSURANCE
A.	Manufacturer Qualifications: Company specializing in performing Work of this section with a minimum of five years experience in the fabrication and installation of security closures.
B.	Installer Qualifications: Company specializing in performing Work of this section with minimum three years and approved by manufacturer.
C.	Mock-Up: Provide a mock-up for evaluation of surface preparation techniques and application workmanship.
1.	Install in areas designated by Architect.
2.	Do not proceed with remaining work until workmanship and installation is approved by Architect.
3.	Refinish mock-up area as required to produce acceptable work.
1.6	DELIVERY, STORAGE, AND HANDLING
A.	Store products in manufacturer's unopened packaging until ready for installation.
B.	Protect materials from exposure to moisture. Do not deliver until after wet work is complete and dry.
C.	Store materials in a dry, warm, ventilated weathertight location.
1.7	COORDINATION
A.	Coordinate Work with other operations and installation of adjacent finish materials to avoid damage to installed materials.
1.8	WARRANTY 
A.	RapidGrille AP Model 676: Motor 5 year limited warranty; other components 2 year or 300,000 cycle limited warranty. 
B.	EverServe Model 671S: Manufacturer�s limited warranty for 2 years or 300,000 cycles on door system materials and workmanship. 
PART 2    PRODUCTS
2.1	MANUFACTURERS
A.	Acceptable Manufacturer: Overhead Door™ Brand, which is located at:<BR />2501 S. State Hwy. 121, Suite 200<BR />Lewisville, TX 75067<BR />Toll Free Tel: 800-275-3290<BR />Tel: 469-549-7100<BR />Fax: 972-906-1499<BR />Email:  info@overheaddoor.com;Web: https://www.overheaddoor.com 
B.	Substitutions: Not permitted.
C.	Requests for substitutions will be considered in accordance with provisions of Section 01 60 00 - Product Requirements.
2.2	SIDE FOLDING SECURITY GRILLES
A.	Side-Folding Metal Vision Panel Grilles: Overhead Door Corporation Model 675.
1.	Curtain: Aluminum 18 gauge (1.27 mm) with 3/16 inch (4.8 mm) perforated steel panels that allow 51 percent visibility. 
a.	Panel Width: Standard 7 inch (178 mm).
b.	Panel Width: Wide-body 11-1/4 inch (286 mm).
c.	Frame: Truss like aluminum frame, minimum 4 inch (102 mm) high bottom and 5-1/4 inch (133 mm) high top plates.
2.	Finish: 
a.	Aluminum clear anodized.
b.	Aluminum color anodized. Color as selected by Architect.
c.	Duracron acrylic or powder coat paint. Color as selected by Architect.
3.	Track: 
a.	Trolley assemblies shall be 1-1/8 inch (29 mm) and adjustable 1 inch (25 mm) upward or downward without the removal of the curtain. 
b.	Track shall be heavy extruded aluminum 1-3/8 inch (35 mm) wide by 1 5/8 inch (41 mm) high. 
c.	Curves: 
1)	90 degrees.
2)	120 degrees.
3)	135 degrees.
4)	150 degrees.
5)	Radius: 14 inch (356 mm) for standard models.
6)	Radius: 22 inch (559 mm) radius for Wide-Body models.
4.	Locking:
a.	Provide lead post with a concealed a hook bolt lock activated by a keyed cylinder or thumb turn that engages a full height wall channel. Where required, provide a top and bottom spring loaded locking post with interior thumb turn and protection or keyed cylinder and dustproof floor sockets for all drop bolts. Provide rubber bumper at the edge of locking post.
b.	Intermediate posts: 
1)	Floor mounted provide intermediate posts a maximum of 10 feet (3048 mm) of curtain length. 
2)	For counter mounts and at each curve provide intermediate posts a maximum of 6 feet (1828 mm). 
3)	Intermediate posts contain an adjustable concealed spring loaded drop bolt with cylinder locks keyed alike. Provide with dustproof floor sockets for all drop bolts.
c.	Traveling end post shall have an attached full height protection plate and shall be self locking into a steel V-stop. End post are fixable to a wall when stacked in the opening using top and bottom locking posts.
B.	Side-Folding Polycarbonate Vision Panel Grilles: Overhead Door Corporation Model 677. Polycarbonate panels shall be cushioned with specially designed vinyl compression gaskets at top and bottom of glazing.
1.	Curtain: Aluminum 18 gauge (1.27 mm) with 1/8 inch (3 mm) thick self-extinguishing polycarbonate viewable area. 
a.	Panel Width: Standard 7 inch (178 mm) with a 4-3/4 inch (121 mm) viewable area.
b.	Panel Width: Wide-body 11-1/4 inch (286 mm) with an 8-7/8 inch (226 mm) viewable area.
c.	Frame: Truss like aluminum frame, minimum 4 inch (102 mm) high bottom and 5-1/4 inch (133 mm) high top plates.
2.	Finish: 
a.	Aluminum clear anodized.
b.	Aluminum color anodized. Color as selected by Architect.
c.	Duracron acrylic or powder coat paint. Color as selected by Architect.
3.	Track: 
a.	Trolley assemblies shall be 1-1/8 inch (29 mm) and adjustable 1 inch (25 mm) upward or downward without the removal of the curtain. 
b.	Track shall be heavy extruded aluminum 1-3/8 inch (35 mm) wide by 1 5/8 inch (41 mm) high. 
c.	Curves: 
1)	90 degrees.
2)	120 degrees.
3)	135 degrees.
4)	150 degrees.
5)	Radius: 14 inch (356 mm) for standard models.
6)	Radius: 22 inch (559 mm) radius for Wide-Body models.
4.	Locking:
a.	Provide lead post with a concealed a hook bolt lock activated by a keyed cylinder or thumb turn that engages a full height wall channel. Where required, provide a top and bottom spring loaded locking post with interior thumb turn and protection or keyed cylinder and dustproof floor sockets for all drop bolts. Provide rubber bumper at the edge of locking post.
b.	Intermediate posts: 
1)	Floor mounted provide intermediate posts a maximum of 10 feet (3048 mm) of curtain length. 
2)	For counter mounts and at each curve provide intermediate posts a maximum of 6 feet (1828 mm). 
3)	Intermediate posts contain an adjustable concealed spring loaded drop bolt with cylinder locks keyed alike. Provide with dustproof floor sockets for all drop bolts.
c.	Traveling end post shall have an attached full height protection plate and shall be self locking into a steel V-stop. End post are fixable to a wall when stacked in the opening using top and bottom locking posts.
C.	Side-Folding Glass Vision Panel Grilles: Overhead Door Corporation Model 678. Glass panels shall be cushioned with specially designed vinyl compression gaskets at top and bottom of glazing.
1.	Curtain: Aluminum 18 gauge (1.27 mm) with 1/8 inch (3 mm) thick tempered glass viewable area. 
a.	Panel Width: Standard 7 inch (178 mm) with a 4-3/4 inch (121 mm) viewable area.
b.	Panel Width: Wide-body 11-1/4 inch (286 mm) with an 8-7/8 inch (226 mm) viewable area.
c.	Frame: Truss like aluminum frame, minimum 4 inch (102 mm) high bottom and 5-1/4 inch (133 mm) high top plates.
2.	Finish: 
a.	Aluminum clear anodized.
b.	Aluminum color anodized. Color as selected by Architect.
c.	Duracron acrylic or powder coat paint. Color as selected by Architect.
3.	Track: 
a.	Trolley assemblies shall be 1-1/8 inch (29 mm) and adjustable 1 inch (25 mm) upward or downward without the removal of the curtain. 
b.	Track shall be heavy extruded aluminum 1-3/8 inch (35 mm) wide by 1 5/8 inch (41 mm) high. 
c.	Curves: 
1)	90 degrees.
2)	120 degrees.
3)	135 degrees.
4)	150 degrees.
5)	Radius: 14 inch (356 mm) for standard models.
6)	Radius: 22 inch (559 mm) radius for Wide-Body models.
4.	Locking:
a.	Provide lead post with a concealed a hook bolt lock activated by a keyed cylinder or thumb turn that engages a full height wall channel. Where required, provide a top and bottom spring loaded locking post with interior thumb turn and protection or keyed cylinder and dustproof floor sockets for all drop bolts. Provide rubber bumper at the edge of locking post.
b.	Intermediate posts: 
1)	Floor mounted provide intermediate posts a maximum of 10 feet (3048 mm) of curtain length. 
2)	For counter mounts and at each curve provide intermediate posts a maximum of 6 feet (1828 mm). 
3)	Intermediate posts contain an adjustable concealed spring loaded drop bolt with cylinder locks keyed alike. Provide with dustproof floor sockets for all drop bolts.
c.	Traveling end post shall have an attached full height protection plate and shall be self locking into a steel V-stop. End post are fixable to a wall when stacked in the opening using top and bottom locking posts.
D.	Side-Folding Aluminum Panel Grilles: Overhead Door Corporation Model 679.
1.	Curtain: Aluminum 18 gauge (1.27 mm), full height, panels. 
a.	Panel Width: Standard 7 inch (178 mm).
b.	Panel Width: Wide-body 11-1/4 inch (286 mm).
c.	Frame: Truss like aluminum frame, minimum 4 inch (102 mm) high bottom and 5-1/4 inch (133 mm) high top plates.
2.	Finish: 
a.	Aluminum clear anodized.
b.	Aluminum color anodized. Color as selected by Architect.
c.	Duracron acrylic or powder coat paint. Color as selected by Architect.
3.	Track: 
a.	Trolley assemblies shall be 1-1/8 inch (29 mm) and adjustable 1 inch (25 mm) upward or downward without the removal of the curtain. 
b.	Track shall be heavy extruded aluminum 1-3/8 inch (35 mm) wide by 1-5/8 inch (41 mm) high. 
c.	Curves: 
1)	90 degrees.
2)	120 degrees.
3)	135 degrees.
4)	150 degrees.
5)	Radius: 14 inch (356 mm) for standard models.
6)	Radius: 22 inch (559 mm) radius for Wide-Body models.
4.	Locking:
a.	Provide lead post with a concealed a hook bolt lock activated by a keyed cylinder or thumb turn that engages a full height wall channel. Where required, provide a top and bottom spring loaded locking post with interior thumb turn and protection or keyed cylinder and dustproof floor sockets for all drop bolts. Provide rubber bumper at the edge of locking post.
b.	Intermediate posts: 
1)	Floor mounted provide intermediate posts a maximum of 10 feet (3048 mm) of curtain length. 
2)	For counter mounts and at each curve provide intermediate posts a maximum of 6 feet (1828 mm). 
3)	Intermediate posts contain an adjustable concealed spring loaded drop bolt with cylinder locks keyed alike. Provide with dustproof floor sockets for all drop bolts.
c.	Traveling end post shall have an attached full height protection plate and shall be self locking into a steel V-stop. End post are fixable to a wall when stacked in the opening using top and bottom locking posts.
E.	Side-Folding Open Aluminum Grilles: Overhead Door Corporation Model 681.
1.	Curtain: Constructed of 1 inch (25 mm) aluminum plates spaced at 12 inch (307 mm) horizontal intervals incorporating three vertical rods spaced 1-7/8 inch (49 mm) and covered with aluminum tubes. Aluminum plates shall fit into one piece vertical aluminum tubular hinges.
a.	Panel Width: Wide-body 11-1/4 inch (286 mm).
b.	Frame: Truss like aluminum frame, minimum 2 inch (51 mm) high bottom and 5-1/4 inch (133 mm) high top plates.
2.	Finish: 
a.	Aluminum clear anodized.
b.	Aluminum color anodized. Color as selected by Architect.
c.	Duracron acrylic or powder coat paint. Color as selected by Architect.
3.	Track: 
a.	Trolley assemblies shall be 1-1/8 inch (29 mm) and adjustable 1 inch (25 mm) upward or downward without the removal of the curtain. 
b.	Track shall be heavy extruded aluminum 1-3/8 inch (35 mm) wide by 1 5/8 inch (41 mm) high. 
c.	Curves: 
1)	90 degrees.
2)	120 degrees.
3)	135 degrees.
4)	150 degrees.
5)	Radius: 14 inch (356 mm) radius.
6)	Radius: 22 inch (559 mm) radius.
4.	Locking:
a.	Provide lead post with a concealed a hook bolt lock activated by a keyed cylinder or thumb turn that engages a full height wall channel. Where required, provide a top and bottom spring loaded locking post with interior thumb turn and protection or keyed cylinder and dustproof floor sockets for all drop bolts. Provide rubber bumper at the edge of locking post.
b.	Intermediate posts: 
1)	Floor mounted provide intermediate posts a maximum of 10 feet (3048 mm) of curtain length. 
2)	For counter mounts and at each curve provide intermediate posts a maximum of 6 feet (1828 mm). 
3)	Intermediate posts contain an adjustable concealed spring loaded drop bolt with cylinder locks keyed alike. Provide with dustproof floor sockets for all drop bolts.
c.	Traveling end post shall have an attached full height protection plate and shall be self locking into a steel V-stop. End post are fixable to a wall when stacked in the opening using top and bottom locking posts.
F.	Side-Folding Open Aluminum Grilles: Overhead Door Corporation Model 683.
1.	Curtain: Constructed of 1/8 inch (3 mm) by 5/8 inch (17 mm) by 6 inch (152 mm) horizontal clear anodized aluminum links that slide into 5/16 inch (8 mm) vertical rods. Links held in place by 1/2 inch (16 mm) clear anodized aluminum S-126 spacer tubes on alternate rods.
a.	Panel Width: 6-5/16 inch (160 mm).
2.	Finish: 
a.	Aluminum clear anodized.
b.	Aluminum color anodized. Color as selected by Architect.
3.	Track: 
a.	Trolley assemblies shall be 1-1/8 inch (29 mm) and adjustable 1 inch (25 mm) upward or downward without the removal of the curtain. 
b.	Track shall be heavy extruded aluminum 1-3/8 inch (35 mm) wide by 1 5/8 inch (41 mm) high.
c.	Curves: 
1)	90 degrees.
2)	120 degrees.
3)	135 degrees.
4)	150 degrees.
5)	Radius: 14 inch (356 mm) radius.
4.	Locking:
a.	Provide lead post with a concealed a hook bolt lock activated by a keyed cylinder or thumb turn that engages a full height wall channel. Where required, provide a top and bottom spring loaded locking post with interior thumb turn and protection or keyed cylinder and dustproof floor sockets for all drop bolts. Provide rubber bumper at the edge of locking post.
b.	Intermediate posts: 
1)	Floor mounted provide intermediate posts a maximum of 10 feet (3048 mm) of curtain length. 
2)	For counter mounts and at each curve provide intermediate posts a maximum of 6 feet (1828 mm). 
3)	Intermediate posts contain an adjustable concealed spring loaded drop bolt with cylinder locks keyed alike. Provide with dustproof floor sockets for all drop bolts.
c.	Traveling end post shall have an attached full height protection plate and shall be self locking into a steel V-stop. End post are fixable to a wall when stacked in the opening using top and bottom locking posts.
2.3	ROLLING SECURITY GRILLES
A.	Rolling Aluminum Security Grilles: Overhead Door Corporation Model 670 with an option for Manual Emergency Release for power operated doors.
1.	Curtain: Horizontal 5/16 inch (7.8 mm) diameter rods with network of vertically interlocking links to form a pattern. Bottom bar extruded aluminum tubular shape.
a.	Material: Aluminum.
b.	Vertical Rod Spacing:
1)	2 inches (51 mm) on center, available in straight lattice or brick patterns.
2)	1-1/2 inches (38 mm) on center, only available in straight lattice pattern.
3)	3 inches (76 mm) on center; only available with Infill Panels. 
c.	Pattern: 
1)	Straight lattice; horizontal spacing 3 inches (76 mm) on center.
2)	Straight lattice; horizontal spacing 6 inches (152 mm) on center.
3)	Straight lattice; horizontal spacing 9 inches (228 mm) on center.
4)	Brick pattern; horizontal spacing 9 inches (228 mm) on center.
5)	Infill Panels: Lexan panel in straight lattice pattern 12 inches on center.
2.	Finish: 
a.	Aluminum mill finish.
b.	Aluminum clear anodized.
c.	Aluminum bronze anodized. 
d.	Aluminum black anodized.  
e.	Aluminum with PowderGuard Premium powder coat, color as selected by Architect.
f.	Prime all non-galvanized, exposed ferrous surfaces with PowderGuard Premium powder coat, black.
3.	Bottom Bar: 
a.	Tubular extruded aluminum, mill finish. 
b.	Tubular extruded aluminum, clear anodized. 
c.	Tubular extruded aluminum, bronze anodized. 
d.	Tubular extruded aluminum, black anodized. 
e.	Tubular extruded aluminum, PowderGuard Premium powder coat, color as selected by Architect. 
4.	Guides: 
a.	Extruded aluminum shapes with retainer grooves and continuous silicone treated wool-pile strips or PVC inserts to reduce noise and assist operation.
b.	Guides face mounted on adjacent construction.
c.	Guides free standing with tubular steel support frames supplied with grilles.
d.	Finish:
1)	Mill finish. 
2)	Clear anodized. 
3)	Bronze anodized. 
4)	Black anodized. 
5)	PowderGuard Premium powder coat, color as selected by Architect.
5.	Brackets: Minimum 3/16 inch (4.8 mm) steel to support barrel, counterbalance and hood as applicable.
a.	Finish: 
1)	PowderGuard Premium powder coat, black. 
2)	PowderGuard Premium powder coat, color as selected by Architect. 
3)	PowderGuard Zinc base coat, gray. 
4)	PowderGuard Zinc base coat with PowderGuard Premium powder coat, color as selected by the Architect. 
5)	Galvanized, hot dipped. 
6.	Counterbalance: Helical torsion spring type housed in a steel tube or pipe barrel, supporting the curtain with maximum deflection of 0.03 inches per foot of span. Counterbalance adjustable by means of an adjusting tension wheel.
7.	Hood: 
a.	Aluminum, mill finish with intermediate supports as required. 
b.	Aluminum, clear anodized with intermediate supports as required.
c.	Aluminum, bronze anodized with intermediate supports as required.
d.	Aluminum, black anodized with intermediate supports as required.  
e.	Galvanized steel, 24 gauge (6 mm). 
f.	Primed steel, 24 gauge (6 mm). 
g.	Steel, PowderGuard Premium powder coat color as selected by the Architect.
8.	Manual Operation: 
a.	Push up. 
b.	Chain hoist.
c.	Crank.
9.	Electric Motor Operation: Provide UL listed electric operator, size as recommended by manufacturer to move door in either direction at not less than 2/3 foot nor more than 1 foot per second.
a.	Sensing Edge Protection: 
1)	Pneumatic sensing edge.
2)	Electric sensing edge.
b.	Operator Controls: Control stations with open, close, and stop functions.
1)	Push-button operation.
2)	Key operation.
3)	Push-button and key operation.
4)	Surface mounting.
5)	Flush mounting.
6)	For interior location. 
7)	For exterior location. 
8)	For both interior and exterior location.
c.	Emergency Egress: Provide code compliant emergency egress system that automatically unlocks and manually releases grille part way to permit passage, even if power is not available. 
d.	Special Operation: 
1)	Photocell operation.
2)	Radio control operation.
3)	Vehicle detector operation.
4)	Card reader control.
5)	Door timer operation.
6)	Commercial light package.
7)	Explosion and dust ignition proof control wiring.
10.	Locking:
a.	Cremone lock.
b.	Chain keeper locks for chain hoist operation.
c.	Cylinder lock for electric operation with interlock switch.
d.	Thumb turns.
B.	Rolling Aluminum Security Grilles: Overhead Door Corporation Model 670 with an Automatic Release for power operated doors.  
1.	Curtain: Horizontal 5/16 inch (7.8 mm) diameter rods with network of vertically interlocking links to form a pattern. Bottom bar extruded aluminum tubular shape. 
a.	Material: Aluminum. 
b.	Vertical Rod Spacing: 
1)	2 inches (51 mm) on center. 
c.	Pattern:  
1)	Straight lattice; horizontal spacing 3 inches (76 mm) on center. 
2)	Straight lattice; horizontal spacing 6 inches (152 mm) on center. 
3)	Straight lattice; horizontal spacing 9 inches (228 mm) on center. 
2.	Finish:  
a.	Aluminum mill finish. 
b.	Aluminum clear anodized. 
c.	Aluminum bronze anodized.  
d.	Aluminum black anodized. 
e.	Aluminum with PowderGuard Premium powder coat, color as selected by Architect.
f.	Prime all non-galvanized, exposed ferrous surfaces with PowderGuard Premium powder coat, black.
3.	Bottom Bar: 
a.	Tubular extruded aluminum, mill finish. 
b.	Tubular extruded aluminum, clear anodized. 
c.	Tubular extruded aluminum, bronze anodized. 
d.	Tubular extruded aluminum, black anodized. 
e.	Tubular extruded aluminum, PowderGuard Premium powder coat, color as selected by Architect. 
4.	Guides:  
a.	Extruded aluminum shapes with retainer grooves and continuous silicone treated wool-pile strips or PVC inserts to reduce noise and assist operation. 
b.	Guides face mounted on adjacent construction. 
c.	Guides free standing with tubular steel support frames supplied with grilles. 
d.	Finish:
1)	Mill Finish. 
2)	Clear anodized. 
3)	Bronze anodized. 
4)	Black anodized. 
5)	PowderGuard Premium powder coat, color as selected by Architect.
5.	Brackets: Minimum 3/16 inch (4.8 mm) steel to support barrel, counterbalance and hood as applicable. 
a.	Finish: 
1)	PowderGuard Premium powder coat, black. 
2)	PowderGuard Premium powder coat, color as selected by Architect. 
3)	PowderGuard Zinc base coat, gray. 
4)	PowderGuard Zinc base coat with PowderGuard Premium powder coat, color as selected by the Architect. 
5)	Galvanized, hot dipped. 
6.	Counterbalance: Helical torsion spring type housed in a steel tube or pipe barrel, supporting the curtain with maximum deflection of 0.03 inches per foot of span.  Counterbalance adjustable by means of an adjusting tension wheel. 
7.	Hood:  
a.	Aluminum, mill finish with intermediate supports as required.  
b.	Aluminum, clear anodized with intermediate supports as required. 
c.	Aluminum, bronze anodized with intermediate supports as required. 
d.	Aluminum, black anodized with intermediate supports as required.  
e.	Galvanized steel, 24 gauge (6 mm). 
f.	Primed steel, 24 gauge (6 mm). 
g.	Steel, PowderGuard Premium powder coat color as selected by the Architect 
8.	Electric Motor with Emergency Egress: Provide code compliant emergency egress operator system with self-locking mechanism that automatically unlocks, automatically releases, and opens grille fully to permit passage if power is not available. Provide UL listed electric operator, size as recommended by manufacturer to move door in either direction at not less than 2/3 foot nor more than 1 foot per second. 
a.	1/2 horsepower single phase. 
1)	115 V 
2)	230 V 
b.	1 horsepower three phase. 
1)	230 V. 
2)	460 V. 
9.	Mounting: 
a.	Front of hood. 
b.	Mounting Left Hand or Right Hand. 
10.	Release: Push/Pull Emergency Release Button. 
a.	Surface mount. 
b.	Flush mount. 
11.	Entrapment Protection:  
a.	2 wire electric sensing edge 
b.	Photo cell operation. 
12.	Control accessories: Control Panel is to be supplied at same voltage as operator selected. 
13.	Locking: Model 670 egress grille self-locking mechanism to prevent forced opening of a closed grille that does not interfere with normal electric operation but fail safe for emergency operation.
C.	Rolling Metal Security Grilles: Overhead Door Corporation Model 671 with an option for Manual Emergency Release for power operated doors.
1.	Curtain: Horizontal 5/16 inch (7.8 mm) diameter rods with network of vertically interlocking links to form a pattern. Bottom bar extruded aluminum tubular shape.
a.	Material:
1)	Galvanized Steel.
2)	Stainless Steel.
b.	Vertical Rod Spacing:
1)	2 inches (51 mm) on center, available in straight lattice or brick patterns.
2)	1-1/2 inches (38 mm) on center, only available with straight lattice pattern.
3)	3 inches (76 mm) on center; only available with Infill Panels. 
c.	Pattern: 
1)	Straight lattice; horizontal spacing 3 inches (76 mm) on center.
2)	Straight lattice; horizontal spacing 6 inches (152 mm) on center.
3)	Straight lattice; horizontal spacing 9 inches (228 mm) on center.
4)	Brick pattern; horizontal spacing 9 inches (228 mm) on center.
5)	Infill Panels: Lexan panel in straight lattice pattern 12 inches on center.
2.	Finish: 
a.	Stainless Steel: No. #4 finish.
b.	Stainless Steel: No. #2B finish. 
c.	Galvanized Steel: Rust inhibitive primer.
d.	Steel with PowderGuard Premium powder coat, color as selected by Architect. 
e.	Prime all non-galvanized, exposed ferrous surfaces with black powder coat finish.
3.	Bottom Bar: 
a.	Double angle steel bottom bar. 
1)	Finish: PowderGuard Premium powder coat, black. 
2)	Finish: PowderGuard Premium powder coat color as selected by the Architect. 
3)	Finish: PowderGuard Zinc base coat, gray. 
4)	Premium powder coat color as selected by the Architect 
b.	Double angle stainless steel bottom bar.
1)	Stainless Steel: No. #4 finish. 
2)	Stainless Steel: No. #2B finish. 
4.	Guides: 
a.	Extruded aluminum shapes with retainer grooves and continuous silicone treated wool-pile strips or PVC inserts to reduce noise and assist operation.
b.	Guides face mounted on adjacent construction.
c.	Guides free standing with tubular steel support frames supplied with grilles.
d.	Finish: 
1)	Mill Finish. 
2)	Clear anodized. 
3)	Bronze anodized. 
4)	Black anodized. 
5)	PowderGuard Premium powder coat, color as selected by Architect. 
5.	Brackets: Minimum 3/16 inch (4.8 mm) steel to support barrel, counterbalance and hood as applicable.
a.	Finish: 
1)	PowderGuard Premium powder coat, black. 
2)	PowderGuard Premium powder coat, color as selected by Architect. 
3)	PowderGuard Zinc base coat, gray. 
4)	PowderGuard Zinc base coat with PowderGuard Premium powder coat, color as selected by the Architect. 
5)	Galvanized, hot dipped. 
6.	Counterbalance: Helical torsion spring type housed in a steel tube or pipe barrel, supporting the curtain with maximum deflection of 0.03 inches per foot of span. Counterbalance adjustable by means of an adjusting tension wheel.
7.	Hood: 
a.	Galvanized steel, 24 gauge (6 mm).
b.	Primed steel, 24 gauge (6 mm).
c.	Steel: PowderGuard Premium powder coat color as selected by the Architect.		 
d.	Stainless Steel: No. #4 finish.
e.	Stainless Steel: No. #2B finish.
8.	Manual Operation: 
a.	Push up. 
b.	Chain hoist.
c.	Crank.
9.	Electric Motor Operation: Provide UL listed electric operator, size as recommended by manufacturer to move door in either direction at not less than 2/3 foot nor more than 1 foot per second.
a.	Sensing Edge Protection: 
1)	Pneumatic sensing edge.
2)	Electric sensing edge.
b.	Operator Controls: Control stations with open, close, and stop functions.
1)	Push-button operation.
2)	Key operation.
3)	Push-button and key operation.
4)	Surface mounting.
5)	Flush mounting.
6)	For interior location. 
7)	For exterior location. 
8)	For both interior and exterior location.
c.	Emergency Egress: Provide code compliant emergency egress system that automatically unlocks and manually releases grille part way to permit passage, even if power is not available. 
d.	Special Operation: 
1)	Photocell operation.
2)	Radio control operation.
3)	Vehicle detector operation.
4)	Card reader control.
5)	Door timer operation.
6)	Commercial light package.
7)	Explosion and dust ignition proof control wiring.
10.	Locking:
a.	Cremone lock.
b.	Chain keeper locks for chain hoist operation.
c.	Cylinder lock for electric operation with interlock switch.
d.	Thumb turns.
D.	Rolling Metal Security Grilles: Overhead Door Corporation Model 671 with an Automatic Release for power operated doors. 
1.	Curtain: Horizontal 5/16 inch (7.8 mm) diameter rods with network of vertically interlocking links to form a pattern. Bottom bar extruded aluminum tubular shape. 
a.	Material: 
1)	Galvanized Steel. 
2)	Stainless Steel. 
b.	Vertical Rod Spacing: 
1)	2 inches (51 mm) on center. 
c.	Pattern:  
1)	Straight lattice; horizontal spacing 3 inches (76 mm) on center. 
2)	Straight lattice; horizontal spacing 6 inches (152 mm) on center.
3)	Straight lattice; horizontal spacing 9 inches (228 mm) on center. 
2.	Finish:  
a.	Stainless Steel: No. #4 finish. 
b.	Stainless Steel: No. #2B finish.		 
c.	Galvanized Steel: Rust inhibitive primer. 
d.	Steel with PowderGuard Premium powder coat, color as selected by Architect. 
e.	Prime all non-galvanized, exposed ferrous surfaces with PowderGuard Premium powder coat, black.
3.	Bottom Bar: 
a.	Double angle steel bottom bar. 
1)	Finish: PowderGuard Premium powder coat, black. 
2)	Finish: PowderGuard Premium powder coat color as selected by the Architect. 
3)	Finish: PowderGuard Zinc base coat, gray. 
4)	Premium powder coat color as selected by the Architect 
b.	Double angle stainless steel bottom bar. 
1)	Stainless Steel: No. #4 finish.  
2)	Stainless Steel: No. #2B finish 
4.	Guides:  
a.	Extruded aluminum shapes with retainer grooves and continuous silicone treated wool-pile strips or PVC inserts to reduce noise and assist operation. 
b.	Guides face mounted on adjacent construction. 
c.	Guides free standing with tubular steel support frames supplied with grilles. 
d.	Finish: 
1)	Mill Finish. 
2)	Clear anodized. 
3)	Bronze anodized. 
4)	Black anodized. 
5)	PowderGuard Premium powder coat, color as selected by Architect. 
5.	Brackets: Minimum 3/16 inch (4.8 mm) steel to support barrel, counterbalance and hood as applicable. 
a.	Finish: 
1)	PowderGuard Premium powder coat, black. 
2)	PowderGuard Premium powder coat, color as selected by Architect. 
3)	PowderGuard Zinc base coat, gray. 
4)	PowderGuard Zinc base coat with PowderGuard Premium powder coat, color as selected by the Architect. 
5)	Galvanized, hot dipped. 
6.	Counterbalance: Helical torsion spring type housed in a steel tube or pipe barrel, supporting the curtain with maximum deflection of 0.03 inches per foot of span.  Counterbalance adjustable by means of an adjusting tension wheel. 
7.	Hood:  
a.	Galvanized steel, 24 gauge (6 mm). 
b.	Primed steel, 24 gauge (6 mm). 
c.	Steel: PowderGuard Premium powder coat color as selected by the Architect.	
d.	Stainless Steel: No. #4 finish. 
e.	Stainless Steel: No. #2B finish. 
8.	Electric Motor with Emergency Egress: Provide code compliant emergency egress operator system with self-locking mechanism that automatically unlocks, automatically releases, and opens grille fully to permit passage if power is not available. Provide UL listed electric operator, size as recommended by manufacturer to move door in either direction at not less than 2/3 foot nor more than 1 foot per second. 
a.	1/2 horsepower single phase. 
1)	115 V 
2)	230 V 
b.	1 horsepower three phase. 
1)	230 V. 
2)	460 V. 
9.	Mounting: 
a.	Front of hood. 
b.	Mounting Left Hand or Right Hand. 
10.	Release: Push/Pull Emergency Release Button. 
a.	Surface mount. 
b.	Flush mount. 
11.	Entrapment Protection:  
a.	2 wire electric sensing edge.
b.	Photo cell operation. 
12.	Control accessories: Control Panel is to be supplied at same voltage as operator selected. 
13.	Locking: Model 670 egress grille self-locking mechanism to prevent forced opening of a closed grille that does not interfere with normal electric operation but fail safe for emergency operation. 
E.	Rolling Aluminum Security Grilles: Overhead Door Corporation Model 674 for interior applications only. 
1.	Curtain: Aluminum frame surrounding and capturing .062 inch (1.57 mm) thick perforated aluminum panels. Perforations shall be 3/16 inch (4.76 mm) diameter; holes are spaced 7/32 inch (5.56 mm) apart. 
a.	Material: Aluminum. 
2.	Finish:  
a.	Aluminum clear anodized. 
b.	PowderGuard Premium: Powder coat color as selected by the Architect.  
c.	Prime all non-galvanized, exposed ferrous surfaces with PowderGuard Premium powder coat black. 
3.	Bottom Bar: 
a.	Extruded aluminum, clear anodized. 
4.	Guides:  
a.	Extruded aluminum shapes with retainer grooves and continuous silicone treated wool-pile strips or PVC inserts to reduce noise and assist operation. 
b.	Guides face mounted on adjacent construction. 
c.	Guides free standing with tubular steel support frames supplied with grilles. 
d.	Finish: 
1)	Mill Finish. 
2)	Clear anodized. 
3)	Bronze anodized. 
4)	Black anodized. 
5)	PowderGuard Premium powder coat, color as selected by Architect. 
5.	Brackets: Minimum 3/16 inch (4.8 mm) steel to support barrel, counterbalance and hood as applicable. 
a.	Finish: 
1)	PowderGuard Premium powder coat, black. 
2)	PowderGuard Premium powder coat, color as selected by Architect. 
3)	PowderGuard Zinc base coat, gray. 
4)	PowderGuard Zinc base coat with PowderGuard Premium powder coat, color as selected by the Architect. 
5)	Galvanized, hot dipped. 
6.	Counterbalance: Helical torsion spring type housed in a steel tube or pipe barrel, supporting the curtain with maximum deflection of 0.03 inches per foot of span.  Counterbalance adjustable by means of an adjusting tension wheel. 
7.	Hood:  
a.	Aluminum with intermediate supports as required. 
b.	Aluminum, clear anodized with intermediate supports as required. 
c.	Aluminum, bronze anodized with intermediate supports as required. 
d.	Aluminum, black anodized with intermediate supports as required. 
e.	Galvanized steel, 24 gauge (6 mm). 
f.	Primed steel, 24 gauge (6 mm). 
g.	Steel, PowderGuard Premium powder coat color as selected by the Architect.
8.	Manual Operation:  
a.	Push up.  
b.	Chain hoist. 
c.	Crank. 
9.	Electric Motor Operation: Provide UL listed electric operator, size as recommended by manufacturer to move door in either direction at not less than 2/3 foot nor more than 1 foot per second. 
a.	Sensing Edge Protection:  
1)	Electric sensing edge. 
b.	Operator Controls: Control stations with open, close, and stop functions. 
1)	Push-button operation. 
2)	Key operation. 
3)	Push-button and key operation. 
4)	Surface mounting. 
5)	Flush mounting. 
c.	Special Operation:  
1)	Vehicle detector operation. 
2)	Radio control operation. 
3)	Card reader control. 
4)	Photocell operation. 
5)	Door timer operation. 
6)	Commercial light package. 
7)	Explosion and dust ignition proof control wiring. 
10.	Locking: 
a.	Center locking bottom bar, secures grille with 1/2" diameter steel throw rods.  
1)	Cylinder locks both sides. 
2)	Thumb turn on secured side. 
b.	Cylinder lock for electric operation with interlock switch. 
c.	Small format interchangeable core.
2.4	SPRINGLESS SECURITY GRILLE 
A.	EverServe Model 671S Springless Security Grille by Overhead Door Corporation. 
1.	Performance: 
a.	Springless direct drive mechanism without chain and sprocket connecting the drive mechanism to the door. 
b.	System cycle of no less than 300,000 cycles. 
2.	Curtain: Horizontal 5/16 inch (7.8 mm) diameter rods with network of vertically interlocking links to form a pattern. Vertical rod 2 inch (51 mm) on center spacing. Continuous spacer tubes. Bottom bar extruded aluminum tubular shape. 
a.	Material: 
1)	Stainless Steel Link, Solid Rod, and Spacer: No. 4 finish. 
2)	Stainless Steel Link, Solid Rod, and Spacer: No. 2B finish. 
3)	Galvanized w/ Rust Inhibitor Steel Link, Solid Rod, and Mill Aluminum Spacer. 
4)	Mill Aluminum Link, Spacer and Galvanized Steel Solid Rod. 
5)	Clear Anodized Aluminum Link, Spacer and Galvanized Steel Solid Rod. 
b.	Pattern:  
1)	Straight lattice; horizontal spacing 9 inches (228 mm) on center. 
2)	Brick pattern; horizontal spacing 9 inches (228 mm) on center. 
3.	Finish:  
a.	Prime all non-galvanized, exposed ferrous surfaces with one coat of rust-inhibitive primer 
b.	Powder coat: PowderGuard Premium powder coat, color as selected by the Architect. 
4.	Guides: Three angle structural steel high usage guide. 
a.	Finish:  
1)	PowderGuard Premium powder coat in black color.
2)	PowderGuard Premium powder coat, color as selected by the Architect.
3)	PowderGuard Zinc base coat, gray.
4)	PowderGuard Zinc base coat, gray with PowderGuard Premium powder coat color as selected by Architect.
5.	Bottom Bar: Reinforces curtain in the guides. 
a.	Tubular extruded aluminum 
1)	Finish: Mill finish aluminum 
b.	Double structural steel angle. 
1)	Material: 
a)	Steel. 
b)	Stainless steel with a brushed finish. 
2)	Finish: 
a)	PowderGuard Premium powder coat in black color. 
b)	PowderGuard Premium powder coat, color as selected by Architect. 
c)	PowderGuard Zinc base coat, gray.
d)	PowderGuard Zinc base coat with PowderGuard Premium powder coat, color as selected by the Architect. 
6.	Motor:  Direct drive, integrated gear motor/brake assembly sized for openings. Provide with a manual hand chain for operation during power outages. Operator and drive assembly is factory pre-assembled and provided with all wiring harnesses needed direct from the factory. 
a.	Supply Voltage: 220/240V AC, 1-phase, operating range 220-240V.
b.	Supply Voltage: 230V AC, 3-phase per, operating range 208-245V.
c.	Supply Voltage: 440V/480V AC, 3-phase. Require appropriate step down transformer.
d.	Supply Voltage: 575V AC, 3-phase. Require appropriate step down transformer.
e.	Left hand mount.   
f.	Right hand mount. 
7.	Control Panel:  Electronic controller with microprocessor self-diagnostics. Digital readout indicates door action, alarm conditions and fault conditions. Time delay self-close timer and non-resettable cycle counter are included. Enclosure is IP54 rated/NEMA 3 equivalent. 
8.	Door Roll: Directly driven, springless roll shall be steel tube with integral shafts, keyed on the Drive End and supported by self-aligning greaseable sealed bearings. Door shall not require any counterbalance device. 
9.	Hood, operator end cover and bracket end cover: Protecting drive motor, barrel, chain, and sprocket from dirt and debris and extending between the support brackets. 
a.	Material: 
1)	Steel. 
2)	Aluminum. 
3)	Stainless steel with a brushed finish. 
b.	Finish: 
1)	Polyester paint in black for steel only.
2)	PowderGuard Premium powder coat, color as selected by the Architect.  
3)	Clear anodized for aluminum only.
c.	Provide with sloped top for exterior mounting. 
10.	Brackets:  Provide steel brackets to support motor, curtain, and hood: 
a.	PowderGuard Premium powder coat in black color.  
b.	PowderGuard Premium powder coat, color as selected by Architect.  
c.	PowderGuard Zinc base coat, gray.
d.	PowderGuard Zinc base coat with PowderGuard Premium powder coat color as selected by the Architect. 
11.	Safety Devices:  Provide door with following safety devices: 
a.	Photoelectric sensors that cast an invisible beam across the door opening and reverses the downward motion of the door when an object enters the path of the beam. 
b.	Built-in brake mechanism to motor assembly eliminates uncontrolled curtain travel independent of other safeties.
c.	Electric sensing edge. 
12.	Actuators:   
a.	One Open/Close/Stop push button station incorporated into Control Panel. 
b.	Radio control. 
c.	Interior Push buttons. 
d.	Exterior Push buttons. 
e.	Interior Key switch. 
f.	Exterior Key switch. 
g.	Loop detectors. 
h.	Motion detectors. 
i.	Warning light. 
j.	Second set of photoelectric sensors.
2.5	ADVANCED PERFORMANCE ROLLING SECURITY GRILLE 
A.	RapidGrille AP Model 676 by Overhead Door Corporation. 
1.	Curtain: Horizontal 5/16 inch (7.8 mm) diameter rods with network of vertically interlocking links to form a pattern. Vertical rod 2 inch (51 mm) on center spacing. Continuous spacer tubes. Bottom bar extruded aluminum tubular shape.
a.	Material: 
1)	Stainless Steel Link, Rod, and Spacer: No. 4 finish. 
2)	Stainless Steel Link, Rod, and Spacer: No. 2B finish. 
3)	Galvanized w/ Rust Inhibitor Steel Link, Rod, and Mill Aluminum Spacer. 
4)	Mill Aluminum Link, Spacer and Galvanized Steel Rod.
5)	Clear Anodized Aluminum Link, Spacer and Galvanized Steel Rod.
b.	Pattern:  
1)	Straight lattice; horizontal spacing 9 inches (228 mm) on center. 
2)	Brick pattern; horizontal spacing 9 inches (228 mm) on center. 
2.	Performance: 
a.	Opening speed: up to 24 inches/second.
b.	Closing speed: no higher than 12 inches/second. 
c.	Springless direct drive mechanism without chain and sprocket connecting the drive mechanism to the door. 
d.	System cycle of no less than 300,000 cycles. 
3.	Finish:  
a.	Prime all non-galvanized, exposed ferrous surfaces with one coat of rust-inhibitive primer 
b.	Powder coat: PowderGuard Premium powder coat, color as selected by the Architect.  
4.	Guides: Three angle structural steel high usage guide.
a.	Finish:
1)	PowderGuard Premium powder coat, black.
2)	PowderGuard Premium powder coat, color as selected by the Architect.
3)	PowderGuard Textured powder coat, select from 11 colors.
4)	PowderGuard Zinc base coat, gray.
5)	PowderGuard Zinc base coat with PowderGuard Premium powder coat color as selected by Architect.
5.	Bottom Bar: Reinforces curtain in the guides and incorporating a wireless, monitored safety edge.
a.	Tubular extruded aluminum 
1)	Finish: Mill finish aluminum 
b.	Double structure steel angle.
1)	Material: 
a)	Steel.
b)	Stainless steel with a brushed finish. 
2)	Finish:
a)	PowderGuard Premium powder coat, black.
b)	PowderGuard Premium powder coat, color as selected by Architect.
c)	PowderGuard Zinc base coat, gray.
d)	PowderGuard Zinc base coat with PowderGuard Premium color as selected by the Architect. 
6.	Motor:  Direct drive, integrated gear motor/brake assembly sized for openings. Provide with a manual hand chain for operation during power outages. Operator and drive assembly is factory pre-assembled and provided with all wiring harnesses where required. 
a.	Supply Voltage: 220/240V AC, 1-phase, operating range 220-240V.
b.	Supply Voltage: 230V AC, 3-phase, operating range 208-245V.
c.	Supply Voltage: 440V/480V AC, 3-phase.
d.	Supply Voltage: 575V AC, 3-phase. Requires appropriate transformer to step down to 460V/480V.
e.	Left hand mount.   
f.	Right hand mount. 
7.	Control Panel:  Provide electronic Variable Frequency drive controller with microprocessor self-diagnostics. LCD readout indicates door action, alarm conditions, and fault conditions. Timer to close programming options and non-resettable cycle counter are included.  Enclosure is NEMA 4X rated. Control system is UL508A certified. The junction box is IP67 rated.
8.	Door Roll:  Directly driven, springless roll shall be steel tube with integral shafts, keyed on the Drive End and supported by self-aligning grease-able sealed bearings. Door shall not require any counterbalance device. 
9.	Hood, operator end cover and bracket end cover: Protecting drive motor, barrel, chain, and sprocket from dirt and debris and extending between the support brackets.
a.	Material: 
1)	Steel.
2)	Aluminum. 
3)	Stainless steel with a brushed finish. 
b.	Finish:  
1)	Polyester paint in black for steel only.
2)	PowderGuard Premium powder coat, color as selected by the Architect. 
3)	Clear anodized for aluminum only.
c.	Provide with sloped top for exterior mounting. 
10.	Brackets:  Provide steel brackets to support motor, curtain, and hood: 
a.	PowderGuard Premium powder coat in black color.
b.	PowderGuard Premium powder coat, color as selected by Architect. 
c.	PowderGuard Zinc base coat, gray.
d.	PowderGuard Zinc base coat with PowderGuard Premium powder coat, color as selected by the Architect.
11.	Safety Devices:  Provide door with following safety devices: 
a.	Photoelectric sensors that cast an invisible beam across the door opening and reverses the downward motion of the door when an object enters the path of the beam. 
b.	Wireless, monitored safety edge reverses downward motion upon impact.
c.	Built-in brake mechanism to motor assembly eliminates uncontrolled curtain travel independent of other safeties.
12.	Actuators:   
a.	One Open/Close/Stop push button station incorporated into Control Panel. 
b.	Loop detectors. 
c.	Radio control. 
d.	Interior Push buttons.
e.	Exterior Push buttons.
f.	Interior Key switch.
g.	Exterior Key switch. 
h.	Motion detectors. 
i.	Warning light. 
j.	Horns and/or strobes. 
k.	Second set of photoelectric sensors.
PART 3    EXECUTION
3.1	EXAMINATION
A.	Verify opening sizes, tolerances and conditions are acceptable.
B.	Examine conditions of substrates, supports, and other conditions under which this work is to be performed.
C.	If substrate preparation is the responsibility of another installer, notify Architect of unsatisfactory preparation before proceeding.
3.2	PREPARATION
A.	Clean surfaces thoroughly prior to installation.
B.	Prepare surfaces using the methods recommended by the manufacturer for achieving the best result for the substrate under the project conditions.
3.3	INSTALLATION
A.	Install in accordance with manufacturer's instructions.
B.	Use anchorage devices to securely fasten assembly to wall construction and building framing without distortion or stress.
C.	Securely and rigidly brace components suspended from structure. Secure guides to structural members only.
D.	Fit and align assembly including hardware; level and plumb, to provide smooth operation.
E.	Coordinate installation of electrical service with Section 26 05 00. Complete wiring from disconnect to unit components.
F.	Coordinate installation of sealants and backing materials at frame perimeter as specified in Section 07 90 00.
G.	Install perimeter trim and closures.
3.4	ADJUSTING
A.	Test security grilles for proper operation and adjust as necessary to provide proper operation without binding or distortion.
B.	Adjust hardware and operating assemblies for smooth and noiseless operation.
3.5	CLEANING
A.	Clean curtain and components using non-abrasive materials and methods recommended by manufacturer.
B.	Remove labels and visible markings.
C.	Touch-up, repair or replace damaged products before Substantial Completion.
3.6	PROTECTION
A.	Protect installed products until completion of project.

END OF SECTION