ROTATING LEVER TYPE SCUM SKIMMER
The contractor will furnish and install ______ lever type pipe scum skimmer(s) as manufactured by Tropodyne in accordance with the following specifications and contract documents.
SCUM SKIMMER PIPE
Each scum skimmer pipe will be ______ inches in diameter, Schedule 40 (stainless) steel with slots approximately ______ long. Slots will be cut with a 60-degree opening and will have a band of at least 1-1/2" between adjacent slots. Pipe slots will be straight and true with the center line of all skimmer pipes. Pipe ends will be perpendicular to the pipe. All pipe cuts will be smooth and free from burrs. At the dead end of the skimmer the pipe will be plugged with a minimum plate size of 3/8".
BRACKET
Each skimmer will be supported by a wall bracket. Each wall bracket will be made of high grade cast iron, ASTM A-48 Class 30-35 or UHMW. Each bracket will have a recess for a packing sleeve. The bracket will have a 1/2" neoprene "0" ring to make a watertight seal. The bracket will be provided with slotted holes for alignment, a flat surface to attach to the wall and a grease fitting for lubrication. A silicone sealant will be used as a gasket against the wall to prevent leakage.
HANDLE
The skimmer will be provided with a 1" Schedule 40 pipe handle of sufficient length for turning the skimmer from the operating floor.
WALL SLEEVE
A pipe wall sleeve of the same diameter as the skimmer pipe will be cast in the wall, where required, to permit flow between adjacent skimmers and discharge from the tanks. Each sleeve will have an intermediate Range. Sleeves will be provided by the mechanical contractor.
PAINT
All metal (except stainless steel, bronze and galvanized) parts will be painted with one coat of standard shop metal primer.
HARDWARE
All hardware will be 304 stainless steel.
<%=company%>, 676 Saw Mill River Road, Yonkers, New York 10710, Phone: 914-3766700, Fax: 914-376-6735