SECTION 05520 — HANDRAILS AND RAILINGS


PART 1 — GENERAL

1.01 DESCRIPTION

Exterior and interior steel handrails as shown on Drawings.

1.02 STANDARDS

Strength of Handrails and Toprails: Capable of withstanding the following loads:
Concentrated load of 200 lb./ft. applied at any point in any direction.
Uniform load of 50 lb./ft. applied simultaneously in both vertical and horizontal directions.

Strength of Intermediate Rails: Capable of withstanding a uniform load of 25 lb./sq. ft. of gross area of rail including open areas.

Gripping surfaces: Conform to size requirements of ILHR 69 Barrier-Free Design.

1.03 SUBMITTALS

Submit product data for railing system chosen and shop drawings showing railing layout and details of components and anchorage systems.


PART 2 — PRODUCTS

2.01 STEEL PIPE

ASTM A 53 type and grade as required for design loading, standard weight (Schedule 40)

2.02 ACCESSORIES

Fasteners: Same material as fastened metal; concealed unless otherwise indicated or unavoidable, and standard with system chosen.

Anchors and Inserts: As required for secure anchorage of handrails and railings to concrete and other adjoining work; non corrosive to materials joined.

2.03 FABRICATION

Fabricate railings and handrails to design, dimensions and details shown and as required to support design loadings indicated.

Interconnect bar handrails and railing members by welding and grind smooth and flush.

Form bends by use of prefabricated elbow fittings and radius bends or by bending in jigs, at fabricator's option.

Finish: Shop-primed after cleaning and pretreatment.



PART 3 — EXECUTION

3.01 INSTALLATION

Set work accurately in location, alignment and elevation, plumb and free from rack.

Comply with manufacturer's recommendations for field connections of handrail and railing members. Comply with AWS specifications where welding is required or indicated.

Anchor posts in concrete by insertion into preset sleeves with grouting of annular spaces between sleeve and post. Mix and place grout to comply with grout manufacturer's directions.

Touch up prime paint after installation. Clean field welds, bolted connections and abraded areas, and apply the least toxic primers necessary to comply with requirements.


END OF SECTION 05520

HANDRAILS AND RAILINGS 05520-#
courtesy of Design Coalition, Architects. , Madison, Wisconsin, USA ~~ www.designcoalition.org