Vol 2 - Garney Construction

5. Do not exceed maximum torque as specified in manufacturer’sinstructions.H. Prestressed Concrete: Do not use drilled-in anchors in prestressed or posttensionedconcrete members without Engineer’s prior approval unlessspecifically shown on Drawings.3.04 U-CHANNEL CONCRETE INSERTSA. Provide as indicated for pipe supports and where otherwise shown onDrawings.B. Except for interior dry areas, use plastic clips or similar dielectric material toisolate channel anchors from concrete reinforcing steel.3.05 ABRASIVE NOSINGSA. Provide abrasive nosings on concrete steps not being supplied or coated withanother type of nosing or nonskid material.3.06 ACCESS COVERSA. Install access covers, including sidewalk doors, floor hatches, and hingedmanhole covers in accordance with manufacturer’s instructions.B. Accurately position prior to placing concrete, such that covers are flush withfloor surface.C. Protect from damage resulting from concrete placement. Thoroughly cleanexposed surfaces of concrete spillage to obtain a clean, uniform appearance.3.07 SAFETY CLIMB DEVICE SYSTEMA. Provide for each ladder where unbroken height between levels exceeds20 feet, or at lesser height where indicated on Drawings.B. Install in accordance with manufacturer’s instructions.C. Furnish additional accessories required to complete the system for each ladder.D. Furnish one harness for each ladder equipped with a safety climb device.E. Furnish pivot section at platforms, landings, and roofs.F. When installed to required height, fall prevention system shall be rigid and anintegral part of the structure.METAL FABRICATIONSPW/WBG/38205905 50 00 - 20 AUGUST 15, 2012©COPYRIGHT 2012 CH2M HILL