3003 W CASINO RD BLDG 40-27 2022-03-17

40-27 BUILDING BRPH ARCHITECTS -ENGINEERS, INC. METAL FABRICATIONS I 5. Support each ladder at top and bottom and not more than 60 inches o.c. with welded or bolted steel brackets. 6. Prime interior ladders, including brackets and fasteners, with primer specified in Division 09. C. Provide pre-engineered steel tread ship ladder at utility tunnel access or where otherwise indicated. 1. Fabricate stairs, including railings from steel, hot -dipped galvanized after fabrication. 2. Fabricate treads, mounting base and platforms stamped and formed from single piece material. Provide brackets and fittings for installation. 3. Fabricate handrails from cold drawn, fully annealed pipe or tube per ASTM 513. 4. See Drawings for stair angle and vertical height. 2.9 METAL BOLLARDS AND GUARD POSTS A. Fabricate from steel shapes, as indicated on drawings. 2.10 FINISHES, GENERAL A. Comply with NAAMM's "Metal Finishes Manual for Architectural and Metal Products" for recommendations for applying and designating finishes. B. Finish metal fabrications after assembly. C. Finish exposed surfaces to remove tool and die marks and stretch lines, and to blend into surrounding surface. :2.11 STEEL AND IRON FINISHES A. Galvanizing: Hot -dip galvanize items as indicated to comply with ASTM A 153/A 153M for steel and iron hardware and with ASTM A 123/A 123M for other steel and iron products. 1. Do not quench or apply post galvanizing treatments that might interfere with paint adhesion. B. Shop prime iron and steel items not indicated to be galvanized unless they are to be embedded in concrete, sprayed -on fireproofing, or masonry, or unless otherwise indicated. 1. Shop prime with primers specified in Division 09 painting Sections. C. Preparation for Shop Priming: Prepare surfaces to comply with requirements indicated below: 1. Exterior Items: SSPC-SP 6/NACE No. 3, "Commercial Blast Cleaning." 2. Other Items: SSPC-SP 3, "Power Tool Cleaning." C06922.001.00 05 50 00 - 6 05-22-14