Vol 2 - Garney Construction

2.05 SOURCE QUALITY CONTROLA. Prepare minimum three standard concrete test cylinders for each 50 cubicyards or fraction thereof of concrete placed in the precast work in accordancewith ASTM C31.B. Test and record concrete strengths.PART 3EXECUTION3.01 ERECTIONA. Verify that anchorage inserts are in correct locations.B. Handle and erect precast concrete with care as recommended bymanufacturer.C. Erect precast units plumb, straight, level, square, and in proper alignment.D. Fasten units securely in place and brace to maintain position, stability, andalignment until permanently connected and structure is complete and stable.E. Field Cutting: Not allowed without prior approval of Engineer.3.02 TILT-UP PANEL WALLSA. General: Plan operation so no equipment for raising slabs is placed onconcrete floors.B. Casting Slab:1. Use finished concrete floor.2. Cast tilt-up panels on this slab, unless otherwise approved.3. Do not cast panels on warped surfaces, across construction joints, orsurfaces pitched to drain outlets.4. Bond Breaker: Apply in accordance with manufacturer’srecommendations.C. Casting Slab:1. Finished Slab: True and level plane with smooth trowel finish.2. Bond Breaker: Apply in accordance with manufacturer’srecommendations as approved.D. Reglets: Install in forms in straight lines in accordance with manufacturer’srecommendations.PRECAST CONCRETEPW/WBG/38205903 40 00 - 6 AUGUST 15, 2012©COPYRIGHT 2012 CH2M HILL