SECTION 05 52 00

HANDRAILS AND RAILINGS

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PART 1    GENERAL
1.1	SECTION INCLUDES
A.	Modular aluminum railings for roof edge fall protection for wall mounted applications.
1.	Internal wall mount applications. (Kattsafe GR31)
2.	External wall mount applications. (Kattsafe GR33)
B.	Modular aluminum railings for top mount fall protection for membrane roofing. (Kattsafe GR36)
C.	Modular aluminum railings for roof edge fall protection for metal roofing. (Kattsafe GR32)
D.	Free-standing, non-penetrating modular aluminum railings for roof edge fall protection for membrane roofing. (Kattsafe GR34) (Kattsafe GR37)
E.	Free-standing, non-penetrating permanent warning line system for metal roofing. (Kattsafe WL31)
F.	Free-standing, non-penetrating permanent warning line system for membrane roofing. (Kattsafe WL32)
G.	Free-standing, non-penetrating permanent warning line system for membrane roofing. (Kattsafe WL33)
H.	Roof hatch guardrails. (Kattsafe Aluminum Roof Hatch Guardrail System)
1.2	RELATED SECTIONS
A.	Section 05 50 00 - Metal Fabrications.
B.	Section 07 41 13 - Metal Roof Panels.
C.	Section 07 50 00 - Membrane Roofing.
1.3	REFERENCES
A.	American National Standards Institute (ANSI):
1.	ANSI A21.l - Safety Requirements for Floor and Wall Openings, Railings and Toe Boards.
B.	ASTM International (ASTM):
1.	ASTM F593 Standard Specification for Stainless Steel Bolts, Hex Cap Screws, and Studs.
2.	ASTM F606/F606M Standard Test Methods for Determining the Mechanical Properties of Externally and Internally Threaded Fasteners, Washers, Direct Tension Indicators and Rivets.
C.	Occupational Safety & Health Administration (OSHA): 
1.	29 CFR 1910.23 - Guarding Floor and Wall Openings and Holes.
2.	29 CFR 1926.502 - Fall Protection Systems Criteria and Practices.
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: Provide plan, section, elevation, and perspective view drawings as necessary to depict appropriate installation procedures including location, mounting, attachment, and penetration flashing as applicable.
1.5	QUALITY ASSURANCE
A.	Manufacturer Qualifications: All primary products specified in this section will be supplied by a single manufacturer with a minimum of ten (10) years experience.
B.	Installer Qualifications: All products listed in this section are to be installed by a single installer with a minimum of five years demonstrated experience in installing products of the same type and scope as specified.
C.	Mock-Up: Provide a mock-up for evaluation of surface preparation techniques and application workmanship.
1.	Finish areas designated by Architect.
2.	Do not proceed with remaining work until workmanship, color, and sheen are approved by Architect.
3.	Rebuild 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. Protect all components off the ground, away from standing water on a hard, level surface.
1.7	PROJECT CONDITIONS
A.	Field Measurements: Where handrails and railings are indicated to fit to other construction, check actual dimensions of other construction by accurate field measurements before fabrication.
B.	Maintain environmental conditions (temperature, humidity, and ventilation) within limits recommended by manufacturer for optimum results. Do not install products under environmental conditions outside manufacturer's recommended limits.
1.8	WARRANTY
A.	Warranty: At project closeout, submit an executed copy of the manufacturer's five year standard limited warranty against manufacturing defect, outlining its terms, conditions, and exclusions from coverage.
PART 2    PRODUCTS
2.1	MANUFACTURERS
A.	Acceptable Manufacturer: Kattsafe, which is located at:<BR />5199 E 500 S, Suite 100<BR />Whitestown, IN 46075<BR />Toll Free Tel: 888-637-7872<BR />Tel: 317-769-7710<BR />Fax: 317-229 6451<BR />Email: request info (sales@kattsafe.com);Web: https://www.kattsafe.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	MODULAR ALUMINUM RAILINGS FOR ROOF EDGE FALL PROTECTION FOR WALL MOUNTED APPLICATIONS
A.	Basis of Design: Kattsafe GR31 Series by Kattsafe. Modular roof edge protection aluminum guardrail system for internal wall mount applications utilizing top-railing, mid-railing, posts, splice joins, bracing and hardware.
1.	Standards compliance: 
a.	ANSI A21.l: Railings and Toe Boards.
b.	Top and mid rail: OSHA standards - 29 CFR 1910.23 (a)(2).
c.	Structural Load: OSHA Regulation 29 CFR 1926.502. 200 lbs. (90.7 kg), minimum, in any direction to all components.
2.	Height: 42 inches (1067 mm), minimum.
3.	Railings: Distance between top rail and mid rail cannot exceed 19 inches (483 mm). Distance between mid-rail and walking surface cannot exceed 19 inches (483 mm).
a.	Top rail: 2 inch (51 mm) O.D. high tensile aluminum tubing, mill finish, free of sharp edges and snag points.
b.	Mid rail: 1-5/8 inch (41 mm) O.D. high tensile aluminum, mill finish tubing, free of sharp edges and snag points. Distance between top rail/mid rail and mid rail/walking surface cannot exceed 19 inches (483 mm).
4.	Mounting posts: 2-1/4 x 1-1/2 x 1/8 inch (57 x 38 x 3 mm) thick. High tensile aluminum rectangular hollow section, mill finish, free of sharp edges and snag points.
5.	Splice Joins: Connecting the top and mid rails together in a continuous railing system free of sharp edges and snag points.
6.	Adjustable Elbows: Accommodating angles and elevation changes.
7.	Connecting Hardware: ASTM F593-13a and ASTM F606/F606M-14a. 304 stainless steel. Includes fasteners, rivets (where required) and anchors.
8.	Accessories:
a.	Toe board.
b.	Parapet bracket for wall mount GR31 guardrail.
c.	Self-Closing Gate.
B.	Basis of Design: Kattsafe GR33 Series by Kattsafe. Modular roof edge protection aluminum guardrail system for external wall mount applications utilizing top-railing, mid-railing, posts, splice joins, bracing and hardware.
1.	Standards compliance: 
a.	ANSI A21.l: Railings and Toe Boards.
b.	Top and mid rail: OSHA standards - 29 CFR 1910.23 (a)(2).
c.	Structural Load: OSHA Regulation 29 CFR 1926.502. 200 lbs. (90.7 kg), minimum, in any direction to all components.
2.	Height: 42 inches (1067 mm), minimum.
3.	Railings: Distance between top rail and mid rail cannot exceed 19 inches (483 mm). Distance between mid-rail and walking surface cannot exceed 19 inches (483 mm).
a.	Top rail: 2 inch (51 mm) O.D. high tensile aluminum tubing, mill finish, free of sharp edges and snag points.
b.	Mid rail: 1-5/8 inch (41 mm) O.D. high tensile aluminum, mill finish tubing, free of sharp edges and snag points. Distance between top rail/mid rail and mid rail/walking surface cannot exceed 19 inches (483 mm).
4.	Mounting posts: 2-1/4 x 1-1/2 x 1/8 inch (57 x 38 x 3 mm) thick. High tensile aluminum rectangular hollow section, mill finish, free of sharp edges and snag points.
5.	Splice Joins: Connecting the top and mid rails together in a continuous railing system free of sharp edges and snag points.
6.	Adjustable Elbows: Accommodating angles and elevation changes.
7.	Connecting Hardware: ASTM F593-13a and ASTM F606/F606M-14a. 304 stainless steel. Includes fasteners, rivets (where required), and anchors.
8.	Accessories:
a.	Toe board.
b.	Parapet bracket for wall mount GR31 guardrail.
c.	Self-Closing Gate.
2.3	PREFABRICATED MODULAR ALUMINUM TOP MOUNT ROOF GUARDRAIL FOR MEMBRANE ROOF SYSTEMS
A.	Basis of Design: Kattsafe GR36 Series Prefabricated Modular Topmount Roof Guardrail for Membrane Roof Systems as supplied by Kattsafe.
1.	Post Kit:
a.	Aluminum Post: Mill Finish Aluminum, 6005-T6.
1)	Material Thickness: 1/8 inch (3 mm).
2)	Dimensions: 2-1/4 x 1-1/2 x 42 inches (57 x 38 x 1067 mm).
b.	Aluminum Channel and Brace: Mill Finish Aluminum, 6005-T6. Quantity: Two (2).
1)	Material Thickness: 1/8 inch (3 mm).
2)	Dimensions: 2-1/2 x 1-1/2 inch (64 x 38 mm).
3)	Length, 1st Brace: 18 inches (457 mm).
4)	Length, 2nd Brace: 15 inches (381 mm).
2.	Guardrail:
a.	Aluminum Top Rail: Mill Finish Aluminum, 6005-T6.
1)	Dimensions: 2 inches (51 mm) diameter.
2)	Supplied Length: 10 ft (3048 mm).
3)	Weight: 0.75 lbs per ft (1.12 kg per m).
b.	Aluminum Mid Rail:
1)	Dimensions: 1-5/8 inches (41 mm) diameter.
2)	Supplied Length: 10 ft (3048 mm).
3)	Material: Mill Finish Aluminum, 6005-T6.
4)	Weight: 0.40 lbs per ft (0.59 kg per m).
3.	Components:
a.	Top Rail Brace: One required per corner and termination.
1)	Material: Mill Finish Aluminum, 6106-T6.
2)	Weight: 0.50 lbs (0.23 kg).
b.	Rail Splice Joins: Die Cast Aluminum.
1)	Length: 9.5 inches (241 mm).
2)	Weight: 0.40 lbs (0.018 kg).
c.	Top Rail End Cap: Die Cast Aluminum.
1)	Weight: 0.10 lbs (0.05 kg).
d.	Mid Rail End Cap: Die Cast Aluminum.
1)	Weight: 0.06 lbs (0.03 kg).
e.	Top Rail Elbow Corner: Die Cast Aluminum.
1)	Weight: 0.80 lbs (0.36 kg).
f.	Mid Rail Elbow Corner: Die Cast Aluminum.
1)	Weight: 0.40 lbs (0.18 kg).
g.	Double Stud Plate. Quantity: Three (3).
4.	Hardware: Stainless steel.
a.	Tek Screw: Post connection, braces, end caps, and handrail mounting to brace.
1)	Size: No. 10 x 5/8 inch (16 mm).
2)	Quantity: Eight (8) per post, Two (2) per brace, One (1) per end cap kit, and Two (2) per corner kit.
b.	Tek Screw: Mounting mid rail to post.
1)	Size: No. 12 x 2 inches (51 mm) Long.
2)	Quantity: Two (2) per post.
c.	Mounting Post to U-Anchor:
1)	Flanged Nut: 3/8 inch (9.5 mm) UNC thread. Quantity: Two (2).
2)	Flat Washer: 3/8 inch (9.5 mm). Quantity: Two (2).
a)	Inner Diameter: 0.406 inch (10.31 mm).
b)	Outer Diameter: 0.680 inch (17.27 mm).
3)	Split Lock Washer: 3/8 inch (9.5 mm). Quantity: Two (2).
a)	Inner Diameter: 0.385 inch (9.78 mm).
b)	Outer Diameter: 0.875 inch (22.22 mm).
2.4	MODULAR ALUMINUM RAILINGS FOR ROOF EDGE FALL PROTECTION FOR METAL ROOFING
A.	Basis of Design: Kattsafe GR32 Series by Kattsafe. Modular roof edge protection aluminum guardrail system for metal roof and standing seam roof applications utilizing top-railing, mid-railing, posts, splice joins, bracing and hardware.
1.	Standards compliance: 
a.	ANSI A21.l: Railings and Toe Boards.
b.	Top and mid rail: OSHA standards - 29 CFR 1910.23 (a)(2).
c.	Structural Load: OSHA Regulation 29 CFR 1926.502. 200 lbs. (90.7 kg), minimum, in any direction to all components.
2.	Height: 42 inches (1067 mm), minimum.
3.	Railings: Distance between top rail and mid rail cannot exceed 19 inches (483 mm). Distance between mid-rail and walking surface cannot exceed 19 inches (483 mm).
a.	Top rail: 2 inch (51 mm) O.D. high tensile aluminum tubing, mill finish, free of sharp edges and snag points. 
b.	Mid rail: 1-5/8 inch (41 mm) O.D. high tensile aluminum, mill finish tubing, free of sharp edges and snag points.
4.	Mounting posts: 2-1/4 x 1-1/2 x 1/8 inch (57 x 38 x 3 mm) thick. High tensile aluminum rectangular hollow section, mill finish, free of sharp edges and snag points.
5.	Splice Joins: Connecting the top and mid rails together in a continuous railing system free of sharp edges and snag points.
6.	Adjustable Elbows: Accommodating angles and elevation changes.
7.	Connecting Hardware: ASTM F593-13a and ASTM F606/F606M-14a. 304 stainless steel. Includes fasteners, and anchors.
a.	Rivets: 305 stainless steel.
b.	Rivets: Aluminum; 5/16 inch (8 mm) diameter. 
c.	Non-Penetrating Clamps: Aluminum.
8.	Accessories: 
a.	Toe board.
b.	Finish Rails; Closed D-loop kit for end of guardrail systems.
c.	Self-Closing Gate.
2.5	FREE-STANDING, NON-PENETRATING MODULAR ALUMINUM RAILINGS FOR ROOF EDGE FALL PROTECTION FOR MEMBRANE ROOFING
A.	Basis of Design: Kattsafe GR34 Series by Kattsafe. Modular, free-standing, non-penetrating roof edge protection aluminum guardrail system for built-up and membrane roof applications utilizing top-railing, mid-railing, posts, weighted bases, splice joins, bracing and hardware.
1.	Standards compliance:
a.	ANSI A21.l: Railings and Toe Boards.
b.	Top and Mid Rail: OSHA standards - 29 CFR 1910.23 (a)(2).
c.	Structural Load: OSHA Regulation 29 CFR 1926.502. 200 lbs. (90.7 kg), minimum, in any direction to all components.
2.	Height: 42 inches (1067 mm), minimum.
3.	Railings: Distance between top rail and mid rail cannot exceed 19 inches (483 mm). Distance between mid-rail and walking surface cannot exceed 19 inches (483 mm).
a.	Top rail: 2 inch (51 mm) O.D. high tensile aluminum tubing, mill finish, free of sharp edges and snag points. 
b.	Mid rail: 1-5/8 inch (41 mm) O.D. high tensile aluminum, mill finish tubing, free of sharp edges and snag points. Distance between top rail/mid rail and mid rail/walking surface cannot exceed 19 inches (483 mm).
4.	Mounting posts: 2-1/4 x 1-1/2 x 1/8 inch (57 x 38 x 3 mm) thick. High tensile aluminum rectangular hollow section, mill finish, free of sharp edges and snag points.
5.	Weighted Bases (H x W x L): 5/8 x 23 x 23 inches (16 x 584 x 584 mm) hot rolled galvanized steel.
a.	Pre-tapped holes for post mounting.
b.	Membrane protection under base.
6.	Splice Joins: Connecting the top and mid rails together in a continuous railing system free of sharp edges and snag points.
7.	Adjustable Elbows: Accommodating angles and elevation changes.
8.	Connecting Hardware: ASTM F593-13a and ASTM F606/F606M-14a. 304 stainless steel. Includes fasteners, rivets (where required), and anchors.
9.	Accessories:
a.	Toe board.
b.	Self-Closing Gate.
B.	Basis of Design: Kattsafe GR37 Series by Kattsafe. Modular, free-standing, non-penetrating roof edge protection aluminum guardrail system for built-up and membrane roof applications. Its stackable base design supports endless configurations, offering flexibility and ease of use.
1.	Compliance: Meets or exceeds OSHA, CAL-OSHA, and ANSI regulations as applicable.
2.	Performance and Design Requirements:
a.	Not to be installed of roof slopes1:12 or greater.
b.	Top Rail Loading: Meet or exceed 200 lbs load in any direction in accordance with OSHA Regulation 29, CFR 1926.502 and 1910.29.
c.	Railing Height: 42 inches (1067 mm).
d.	Distance Between Top and Mid Rail: 19 inch (483 mm) maximum.
e.	Post Spacing: 8 ft (2438 mm) maximum.
f.	Bases: Positioned not less than 2 ft (610 mm) from roof edge where there is no parapet or small wall.
g.	Supplied to jobsite in kit form.
h.	Warranty: Five (5) year from date of installation, subject to correct installation, use, and maintenance in accordance with manufacturer's specifications and recommendations.
1)	Exception: Weighted bases have a Two (2) year warranty.
i.	Set-Up: Ballasted or cantilevered.
j.	Component Assembly: T-bolt design.
k.	Components:
1)	Weighted bases. Polymer coated concrete.
2)	Intermediate counterweight base.
3)	End post.
4)	Base foot. 
5)	T-bolt.
6)	End Kits: Required at the start and stop of any GR37 free-standing guardrail system regardless of length.
7)	Brace: For each corner between posts and ends of top rails.
8)	Splice Kits for top and mid rails.
9)	End Caps: For expose top and mid rail ends.
10)	Hardware: 304 Stainless steel.
l.	Configuration: Intermediate with Counterweight. GR37.INT.CW.
1)	Bases on counterweight set-up.
m.	Configuration: Intermediate In-Line. GR37.INT.IN.
1)	Bases mounted directly to posts, 2 bases.
n.	Configuration: Intermediate for any High Load Application. GR37.INT.HL.
1)	20 lbs per ft, four bases.
3.	Material and Dimensions: High strength aluminum.
a.	Top Rail: 2 inch (51 mm) diameter extruded 6000 series aluminum profiled tube; 0.75 lbs per ft.
b.	Mid Rail: 1-5/8 inches (41 mm) extruded 6000 series aluminum profiled tube; 0.40 lbs per ft.
c.	Splice Joins: Profiled aluminum tube.
d.	Post: 2-1/4 x 1-1/2 x 1/8 inch (57 x 38 x 3 mm) extruded 6000 series rectangular slotted tube. 2.70 lbs per ft.
e.	Toe Board: 4-1/4 x 1 x 3/32 inches (432 X 25 X 2.4 mm) extruded 6000 series aluminum channel. 0.70 lbs per ft.
f.	Post and Base Footing: Cast aluminum. Holds post at 10 degrees off vertical angle.
g.	Hardware: All stainless steel.
h.	Corner Elbows: Die cast aluminum. 
1)	Top Rail Corner: 0.8 lbs. Mid Rail Corner: 0.42 lbs.
i.	End Caps: Plastic.
4.	Finish of Aluminum Sections: Mill finish.
5.	Finish of Aluminum Sections: Safety yellow powder coat.
6.	Finish of Aluminum Sections: ________, powder coat.
2.6	FREE-STANDING NON-PENETRATING PERMANENT WARNING LINE SYSTEM FOR METAL ROOFING
A.	Basis of Design: Kattsafe WL31 by Kattsafe. Permanent modular non-penetrating warning line system for metal and standing seam roof applications utilizing posts, mounting bases, galvanized plastic coated cable, warning flags, and hardware.
1.	Standards compliance: OSHA Code 1926.502(f)(2)(iii); erected not less than 6 feet (1.8 m) from the roof edge. Resists, without tipping over, a force of at least 16 pounds (71 N) applied horizontally against the stanchion.
2.	Mounting posts: 2-1/4 x 1-1/2 x 1/8 inch (57 x 38 x 3 mm) thick. High tensile aluminum rectangular hollow section, mill finish, free of sharp edges and snag points. Post height: 39 inches (991 mm). Mounts to metal roof mounting base with stainless steel hardware.
3.	Metal Roof Mounting Bases (H x W x L): 5/8 x 26 x 16-1/4 inches, (16 x 660 x 413 mm) aluminum 5000 series. Pre-drilled holes for post mounting.
4.	Cable: 3/16 inch (5 mm) galvanized aircraft cable: vinyl coated with aluminum crimped termination sleeves.
5.	Flags: Aluminum sheet with 'Warning' stamp. Powder coated safety yellow.
6.	Flag location: Located every 6 feet (1.83 m) with aluminum sleeve to maintain 6 feet (1.83 m) spacing.
7.	Connecting Hardware: ASTM F593-13a and ASTM F606/F606M-14a. 304 stainless steel. Includes fasteners and anchors.
a.	Rivets: 305 stainless steel.
b.	Rivets: Aluminum; 5/16 inch (8 mm) diameter. 
c.	Non-penetrating Clamps: Aluminum.
2.7	FREE-STANDING NON-PENETRATING PERMANENT WARNING LINE SYSTEM FOR MEMBRANE ROOFING
A.	Basis of Design: Kattsafe WL32 by Kattsafe. Permanent, modular non-penetrating warning line system for built-up and membrane roof applications utilizing posts, weighted bases, galvanized plastic coated cable, warning signs and hardware.
1.	Compliance: OSHA Code 1926.502(f)(2)(iii); erected not less than 6 feet (1.8 m) from the roof edge. Resists, without tipping over, a force of at least 16 pounds (71 N) applied horizontally against the stanchion.
2.	Mounting Posts: 2-1/4 x 1-1/2 x 1/8 inch (57 x 38 x 3 mm) thick. High tensile aluminum rectangular hollow section, mill finish, free of sharp edges and snag points. Post height: 39 inches (991 mm). Mounts to weighted base with stainless steel hardware.
3.	Weighted Bases (H x W x L): 5/8 x 23 x 23 inches (16 x 584 x 584 mm) hot rolled galvanized steel. 
a.	Pre-tapped holes for post mounting.
b.	Membrane protection under base.
4.	Cable: 3/16 inch (5 mm) galvanized aircraft cable: Vinyl coated with aluminum crimped termination sleeves.
5.	Flags: Aluminum sheet with 'Warning' stamp. Powder coated safety yellow.
6.	Flag Location: Located every 6 feet (1.83 m) with aluminum sleeve to maintain 6 feet (1.83 m) spacing.
2.8	FREE-STANDING NON-PENETRATING PERMANENT WARNING LINE SYSTEM FOR MEMBRANE ROOFING
A.	Basis of Design: Kattsafe WL33 Series by Kattsafe. Non-Penetrating Warning Line as supplied by Kattsafe. Aluminum construction.
1.	Customizable on-site to meet required application.
2.	Combinable with Kattsafe guardrail systems to create an OSHA compliant roof.
3.	OSHA compliant.
4.	Posts supplied yellow as standard for increased visibility.
B.	Components:
1.	Membrane protection under the base is provided for added safety.
2.	Cable: 1/8 in (3.18 mm) galvanized aircraft cable, vinyl-coated with aluminum crimped termination sleeve.
3.	Flags: Aluminum sheet flags with a "Warning" stamp, powder-coated in safety yellow for increased visibility.
4.	Flag Location: Flags are spaced every 6 ft (1.83 m), with an aluminum sleeve to maintain evenly spaced intervals.
C.	Finish: All aluminum sections are mill-type, free from sharp edges and snagging points.
D.	Compliance: OSHA Code 1926.502(f)(2)(iii), designed to be erected a minimum of 6 ft (1.83 m) from the roof edge. It can resist a horizontal force of at least 16 lbs without tipping over.
E.	Installation: The product mounts to a weighted base. The warning flags should be spaced every 6 ft (1.83 m) from the corners to end kits, using 15 ft (4.57 m) spacing. For all intermediates, use 25 ft (7.62 m) spacing.
F.	Product Warranty: Five (5) years from the date of installation, subject to proper installation, use, and maintenance as per the manufacturer's specifications. This excludes the weighted bases. An extended warranty could be available on a project basis.
2.9	ROOF HATCH GUARDRAILS
A.	Basis of Design: Kattsafe Aluminum Roof Hatch Guardrail System by Kattsafe. A fixed railing system providing permanent fall protection for hatch openings. Available in multiple sizes, and can fit most existing hatches or installed on the Kattsafe Roof Hatch. A clamping system eliminates the need to drill holes into the hatch or roof surface, jeopardizing the roof warranty. Installs in minutes with basic tools.
1.	Sizes: Standard roof hatch sizes available in stock. Can be custom made to fit irregular roof hatch sizes.
2.	Color: Safety Yellow Standard. Powder Coating Available.
3.	OSHA Compliance: 1910.28(b)(3)(i), 1910.28(b)(3)(iv).
4.	Warranty: 10 years. Does not include moving parts.
5.	Exit Types: Front, front1, front2, left, or right.
6.	Roof Hatch Flange Length: ___ inch (___ mm).
7.	Roof Hatch Flange Width: ___ inch (___ mm).
8.	Self-closing gate.
9.	Grabrails.
10.	Handrail Tubing: 2 inch (51 mm) round, Aluminum 6106-T6.
a.	No. 10 x 5/8 inch (16 mm) Stainless Steel Self tapping screws: Two per post.
b.	Handrail end caps.
11.	Kneerail Tubing: 1-5/8 inch (41 mm) round Aluminum 6061-T6.
a.	No. 12 x 2 inch (51 mm) Stainless Steel Self tapping screws: Two per post.
12.	Clamping System Frame: Kattsafe.
PART 3    EXECUTION
3.1	EXAMINATION
A.	Do not begin installation until substrates have been properly prepared.
B.	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, approved submittals and in proper relationship with adjacent construction.
3.4	PROTECTION
A.	Protect installed products until completion of project.
B.	Touch-up, repair or replace damaged products before Substantial Completion.

END OF SECTION