should be well-supported to eliminate sagging. Backfilling will be well-tamped in (i-inch layers.

15. 1a-03. SANITARY SEWER, ABOVE-GROUND level, must be as specified for the belowground level, except waste lines and vent piping above the ground must be of zinc-coated, standard- weight, screwed-end steel pipe and cast iron, recessed, long radius, screwed drainage fittings, and graded not less than 1/8 inch per foot. The sanitary sewer vent will extend full size through the roof for a distance of not less than 12 inches, where it must be flashed with suitable corrosion-resistant metal before the roofing is installed. A 4-inch cleanout will be provided slightly above the ground elevation at the base of the soil stack. All male screw ends will be coated with a good grade pipe joint compound before entering into fittings. The bathtub trap must be provided with a 3/4-inch brass, screw dram plug; all lines must be properly supported from the floor joists with suitable hangers. A closet-bowl floor connection must have a cast-iron closet-bowl floor flange with provisions for anchoring the brass closet- bowl bolts and an approved type of horn gasket. The finished joint must be absolutely leakproof, and the bowl will sit squarely on the finished floor.

15. 1a-04. WATER PIPING BURIED IN THE GROUND must be jointless, type "K," soft copper tubing. No kinking of the tube will be allowed.

15. 1a-05 WATER PIPING ABOVEGROUND level must be type "L," hard copper tubing with solder- type fittings, except that vertical lines may be of type "L," soft copper tubing. All tubing lines will be properly anchored to the floor joists to eliminate pipe sag and vibration and pitched to the main shutoff valve for draining, when necessary. A hose bib will be provided at the rear of the building with a stop and waste located inside the foundation wall for winter cutoff and waste and arranged for complete drainage of the line from the hose bib. Slip-joint connections will not be permitted below the finished floor.

15. 1a-06. Fixtures must be of a reliable manufacturer and will be as follows:

(a) The KITCHEN SINKS will have a left- hand drainboard and be of cast iron with a smooth, white, acid-resisting porcelain enamel finish, 54 inches long by 25 inches wide by 35 inches high from floor to top of rim. The trim will be chromium plated, including combination mixing faucets with a soap dish, a large basket-type strainer with a 1 1/2-inch tailpiece, and a 1 1/2-inch wall-type P-trap. Hot- and cold-water supply lines in the sink cabinet will be provided with copper tubing valves. The cabinet will be of a heavy gauge steel with a baked-on, white enamel finish and have at least two sliding drawers.

(b) The LAUNDRY TRAY will be of the double compartment, cement type, 48 inches long by 20 inches wide by 32 inches high from floor to rim and be of a smooth cement mixture to withstand sudden temperature changes without cracking or leaking. Tubs will have a metal guard around the rim. The laundry tray will be complete with stand, combination mixing faucets with tray-mounting brackets, 1 1/2-inch tailpiece, and 1 1/2-inch wall-type P-trap. A copper tubing valve will be provided in each supply line.

(c) The WATER CLOSET will be of white, vitreous china, close-coupled tank and bowl, complete with white seat and seat cover, and have a chromium, 3/8-inch, screwed, brass floor supply line with a chromium I.P valve.

(d) The LAVATORY will be cast iron with a white porcelain enamel finish. The trim will be chromium plated and include combination mixing faucets with a 1 1/4-inch tailpiece, pop-up waste, 1 1/4- inch wall trap, and 3/8=inch, screwed, brass floor supply lines with I.P. valves.

(e) The TUB will be of the built-in type, cast iron, with a white porcelain enamel finish. The trim will be chromium plated and include a built-in wall-type faucet complete with shower attachments, a curtain rod and pins, and a 1 1/2=inch trip-lever waste. Copper tubing valves will be provided on each supply inside the wall access door.

15. 1a-07. WATER HEATER must be of the electrical storage type with a capacity of not less than 52 gallons. It must be of an approved manufacturer with the underwriter's label attached. It will be provided with two thermostatically operated heating elements: a 15-kilowatt element located near the top of the tank and l-kilowatt element located near the bottom of the tank. A 3/4- inch bronze drain valve will be provided at the extreme bottom of the tank with a 3/4-inch hose connection. A l/2-inch brass, combination temperature and pressure-relief valve with a discharge extending to the floor drain will be furnished. A copper tubing valve will be installed in 1-14