ec. Open end wrenches, 1/4" and 3/8". a. Drift pins, 1/4" and 3/8". e. Portable electric saws, of type suitable for cutting aluminum. f. Electric hand drills,: (1/4" and 3/8" drills) g. Shot stud guns, h. Blocks and tackle, 1/2" line. high speed for aluminum, 13-86. PROTECTION: for explosive-driven stude. Where aluminum overlaps dissimilar metal or masonry, apply one coat of aluminum pigmented asphalt paint to overlapped portion. 13-07. STORING MATERIALS: Contractor shall maintain all materials in dry storage until used. Aluminum sheets shall be stored edgewise or endwise off the ground. 13-8