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.
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 underwriters 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