specifications - FAACO - Federal Aviation Administration Contract ...

FTWIC-2235June, 2009exterior concrete steps. Safety treads shall have integral anchors for embedding intoconcrete. Treads shall be as manufactured by Armstrong products, or approved equal.D. CHANNEL FRAMING SYSTEM:Steel "C" galvanized channels of required type designed to accept a special spring loadednut for cable tray support. Touch-up damage due to installation with zinc-rich coating.Unistrut Corporation - P1001, P3300 (concrete inserts) or approved equal.E. INSECT SCREEN:Federal Specification RR-W-365, Type II, III, or VII, 18 by 16 mesh, or FederalSpecification L-S-125, Type II, 18 by 16 mesh. Color to match louver.F. BIRD SCREEN:Aluminum wire screen conforming to Fed Spec RR-W-360, Type I, Class 1, and shall be1/2 by 1/2 mesh, 0.063 inch diameter aluminum wire. Color shall match louver.G. STEEL PLATE:Furnish steel plate for fabrication as indicated on the drawings. Furnish 1/4" or 3/8"thick checkered steel plate where indicated.H. ACCESS LADDERS:Manufacturer's standard design aluminum access ladder conforming to OSHArequirements and fabricated of aluminum side rails with non-slip safety rungs. Wallanchors shall be stainless steel, cadmium plated or other non-corrosive metal, asapproved by the Contracting Officer. Provide ladders at locations shown on drawings.I. ALUMINUM SILLS:Extruded of 6063-T52 alloy, J.G. Braun & Company, model AA, complete with SA-100anchor clips, or approved equal. Finish shall be anodized and match window framecolor.J. WINDOW STOOLS:Interior window stools shall be fabricated of 0.70 gauge aluminum. Finish shall beanodized and match window frame color.K. ANTENNA MOUNT:Provide special fabrication at cab roof for antenna mounts as detailed on the drawings.Provide 2-1/2" 1.0 threaded schedule 40 pipe nipples inserted into threaded nuts. Installsteel air terminal brackets and air terminals as indicated.L. MISCELLANEOUS STEEL FABRICATIONS:05500-7