SECTION 05522

METAL HANDRAILS

***** Morse Industries manufactures high quality stainless steel, brass, and chrome plated brass components for wall mounted handrails. These handrails can also be mounted on tempered glass panels of glass railing assemblies.

This guide specification section can be used to specify metal handrails. Glass railings manufactured by Morse Industries can be specified with product guide specification SECTION 05521 - TEMPERED GLASS RAILING ASSEMBLIES.

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PART 1 - GENERAL

1.1 SUMMARY

A. Section includes: Metal handrails consisting of [stainless steel] [brass] [chrome plated brass] rails, wall brackets, and fittings.

B. Related sections:

***** List other specification sections dealing with work directly related to this section such as the following. *****

1. Section 05521 - Tempered Glass Railing Assemblies: [Glass baluster] [In-fill glass panel] railings to receive metal handrails.

2. Section 06100 - Rough Carpentry and Section 09260 - Gypsum Board Assemblies: Blocking in metal stud partitions for anchorage of metal handrails.

1.2 REFERENCES

**** List by number and full title reference standards referred to in remainder of specification section. Delete non-applicable references. *****

A. American Society for Testing and Materials (ASTM):

1. ASTM A269 - Seamless and Welded Austenitic Stainless Steel Tubing for General Service.

2. ASTM A1264 - Safety Requirements for Workplace Floor and Wall Openings, Stairs, and Railing Systems.

3. ASTM B248 - Wrought Copper and Copper Alloy Plate, Sheet, Strip, and Rolled Bar.

4. ASTM E894 - Anchorage of Permanent Metal Railing Systems and Rails for Buildings.

5. ASTM E935 - Permanent Metal Railing Systems and Rails for Buildings.

B. ICC/ANSI A117.1 - International Code Council/American National Standards Institute Standard on Accessible and Useable Buildings and Facilities.

1.3 DESIGN REQUIREMENTS

A. Railing assemblies and attachments shall be designed, fabricated, and installed in accordance with ASTM A1264, ASTM E894, ASTM E935 to support:

1. 200 pounds concentrated loading applied at any point in any direction.

2. 50 pounds per linear foot uniform load applied horizontally to top of rail.

1.4 SUBMITTALS

A. Provide in accordance with Section 01330 - Submittal Procedures:

1. Product data for railing components and accessories.

2. Shop drawings showing railing plans, elevations, dimensions, and installation details.

3. Samples of manufacturer's finishes [for selection by Architect].

4. Installation and maintenance instructions.

1.5 QUALITY ASSURANCE

A. Handrails shall be provided and installed in compliance with ICC/ANSI A117.1.

1.6 HANDLING

A. After fabrication, provide protective PVC film on handrails and other exposed to view components to be removed after installation.

B. Exercise care not to scratch, mark, dent, or bend metal components during delivery, storage, or installation.

PART 2 - PRODUCTS

2.1 ACCEPTABLE MANUFACTURERS

A. Morse Industries, 25811 74th Avenue South, Kent, Washington 98032; 800-325-7513.

B. Manufacturers of equivalent products submitted and approved in accordance with Section 01630 - Product Substitution Procedures.

2.2 MATERIALS

***** Stainless steel and brass can be used for handrails, brackets, and fittings. In addition, various metal finishes are available. Contact Morse Industries for assistance in selecting metal type and finish. Standard stainless steel provided by Morse Industries is Type 304, basic chromium-nickel austenitic stainless steel. Type 316, a more corrosion-resistant stainless steel with lower carbon content and containing molybdenum is also available. Finish options include No. 4, a brushed finish and No. 8 a reflective polished finish with a mirror like appearance. *****

A. Stainless steel tubing: ASTM A269, Type [304] [316] with [No. 4 brush finish.] [No. 8 reflective polished finish.]

***** Rails and other exposed components can be provided in two different copper and zinc alloys - No. 260 Yellow Brass and No. 464 Naval Brass which has a copper color similar in appearance to Muntz Metal. Finish options include No. 4, a brushed finish and No. 8 a reflective polished finish with a mirror like appearance. Chrome plated brass is also available. Contact Morse Industries for assistance in selecting type. *****

A. Brass: ASTM B248, [No. 260 Yellow Brass] [No. 464 Naval Brass] alloy of copper and zinc with [No. 4 brushed finish.] [No. 8 reflective polished finish.]

B. Fasteners: Stainless steel.

2.3 METAL HANDRAIL COMPONENTS

Round metal tubing fabricated from stainless steel or brass can be used for handrails. Tubes are provided in 1-1/2, 2, and 2-1/2 inches (38, 51, and 64 mm) diameters in different finishes. Refer to Morse Industries product literature for available options. *****

A. Round tubing: Fabricate from [stainless steel] [brass], [_____ inches] [_____ mm] diameter.

B. Brackets: [Stainless steel] [Brass] [Chrome plated brass] bracket with round wall plate, curved extension arm and yoke for attaching to handrail. Finish shall be [No. 4 brush polished finish.] [No. 8 reflective polished mirror finish.]

***** Morse Industries manufacture 3 types handrail mounting bracket - standard wall bracket, glass mounting bracket, and adjustable glass mounting bracket. Select required types and delete non-applicable options. *****

***** Different size standard wall brackets can be provided to project center of rail 2-1/2, 2/58, and 2-3/4 inches (64, 67, and 70 mm) from wall face.

1. Standard wall bracket: Designed to attach to stud, masonry, or concrete wall and project center of handrail [[2-1/2] [2-5/8] [2-3/4] inches] [64] [67] [70] mm] from face of wall.

2. Glass mounting bracket: Two-piece mounting plate with nylon spacer and neoprene gaskets designed to mount on tempered glass panel of glass railing assembly. Requires [5/8 inch] [16 mm] diameter mounting hole in glass panel. Projects center of handrail [[2-1/2 inches] [64 mm] from face of wall.

3. Adjustable glass mounting bracket: Two-piece mounting plate with nylon spacer and neoprene gaskets designed to mount on tempered glass panel of glass railing assembly. Equipped with internal threaded bolt to allow for adjustment for glass thickness. Requires [5/8 inch] [16 mm] diameter mounting hole in glass panel. Projects center of handrail [[2-1/2 inches] [64 mm] from face of wall.

C. Fittings:

***** End caps, elbows, angles, radiuses, wall returns, and other flush fittings are provided by Morse Industries for connecting, joining, and anchoring metal handrails. Stainless steel, brass, and chrome plated brass fittings are available. *****

1. Provide end caps, elbows, angles, radiuses, wall returns, and other flush fittings as required for connecting, joining, and anchoring tubular metal railing components. Fittings to be [stainless steel] [brass] [chrome plated brass].

2. Mitered corners: Fabricate from same metal and finish as rails to angles required for design indicated on Drawings. Diameter to match rail.

3. Connector sleeves: Open tube section for joining rails and mitered corners. Fabricate from same metal and finish as rails. Diameter to allow for tight insertion into rail.

D. Supply fasteners and other components required for anchorage of railings.

2.4 GENERAL FABRICATION

A. Field verify railing dimensions prior to fabrication.

B. Fabricate to designs indicated on Drawings and to meet performance requirements specified in Paragraph 1.3.

C. Fabricate interfacing parts and assemblies so that field cutting adjustments are not necessary.

D. Form stainless steel and brass tubes by bump forming using radius dies. Do not roll form.

E. Polish components in multiple runs using 20 HP polishing machines.