SECTION 05120 — STRUCTURAL STEEL


PART 1 — GENERAL

1.01 DESCRIPTION

Extent of structural steel work is shown on drawings.

1.02 CODES AND STANDARDS

Comply with applicable provisions (except as otherwise indicated) of: AISC "Code of Standard Practice for Steel Buildings and Bridges" AISC "Specifications for the Design, Fabrication and Erection of Structural Steel for Buildings: including "Commentary" and the AWS "Structural Welding Code.

1.03 SHOP DRAWINGS

Show complete details and schedules for fabrication, assembly and erection.

1.04 COORDINATION WITH OTHER WORK

Furnish anchor bolts required for installation in other work; furnish templates for bolt installation.


PART 2 — PRODUCTS

2.01 STRUCTURAL STEEL MEMBERS

Steel Plates, Shapes and Bars: ASTM A 36.

Steel Pipe: ASTM A 53, Type E or S, Grade B.

Fasteners: High-strength bolts and nuts, ASTM A 325 or A 490; unfinished bolts and nuts, ASTM A 307, Grade A.

2.02 FABRICATION

Comply with AISC "Specifications" and final shop drawings. Match and match-mark units for field assembly.

Connections: As shown on final shop drawings. Use high-strength bolts for field connections. Comply with AWS Code for procedures, appearance and quality of welds.

Provisions for Other Work: Fabricate structural steel members to provide holes for securing other work and for passage of other work through steel framing as indicated or required.

Shop Painting: Comply with SSPC-Paint 13. Paint structural steel work, except members or portions of members embedded in concrete or mortar, and contact areas to be welded or riveted. Clean steel free of loose mill scale, rust, oil and grease. Apply prime paint to provide a minimum dry film thickness of 2.0 mils.



PART 3 — EXECUTION

3.01 ERECTION

Comply with AISC Code and Specifications, and maintain work in safe and stable condition during erection. Provide temporary bracing and shoring as required; remove when final connections places.

Set base plates on cleaned bearing surfaces, using wedges or other adjustments as required. Solidly pack open spaces with bedding mortar, consisting of 1 part Portland cement to 3 parts sand and only enough water for packing and hydration, or use commercial non-shrink grout material at erector's option.

Splice members only where shown on final shop drawings.

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



END OF SECTION 05120

STRUCTURAL STEEL 05120-#
courtesy of Design Coalition, Architects. , Madison, Wisconsin, USA ~~ www.designcoalition.org