C. Install pipe supports for rigid pipe within 4 inches of connections with flexible
hose. Install pipe supports within 4 inches both sides of all valves and flow
meters. Pipe supports shall be located so that access in the Sump Riser Building,
and removal of equipment from the sideslope risers is not restricted.
D. Install pipe supports at maximum 4-foot intervals along straight runs of pipe.
E. Piping shall be supported and restrained to prevent excessive stress on pipe,
fittings, or equipment to which piping is connected. Supports shall provide
required pitch for proper drainage. Supports shall prevent excessive variation in
supporting force. Supports shall allow free expansion and contraction.
3.5 SIDESLOPE RISER BULKHEAD
A. _ Install sideslope riser bulkhead to sideslope riser pipe. Cut pipe square to long
axis of pipe after pipe temperature has reached equilibrium after burial. Prevent
cuttings from entering the sideslope riser.
B. Neatly shave or grind cut pipe end to within , -inch of true planar surface.
Maintain square edges.
C. Field drill holes for lag screws in pipe wall and in bulkhead. Holes shall be
square to pipe end.
D. Install gasket and bulkhead. Evenly tighten lag screws until gasket forms an
airtight seal.
E. Install hardware on and through bulkhead face as indicated with airtight
penetrations.
3.6 TESTING
A. General
1. Pipe lines shall be pressure tested in presence of the CQA Consultant.
CONTRACTOR to provide ENGINEER with a minimum 7-day notice before
performing test.
2. Provide necessary pipe connections between section of pipe being tested
and nearest available source of water or air supply, together with test
pressure equipment, meters, pressure gauge, and other equipment,
materials, and facilities necessary to perform test.
3. OWNER will provide water for testing.
4. Provide bulkheads, flanges, valves, bracing, blocking, or other temporary
sectionalizing devices required.
B. Testall PVC pipe and fittings, and flexible hose inside the Sump Riser Building.
File No. 3066.09 Sump Riser Building Pipe, Fittings, and Appurtenances 15310- 6 of 7 December 2017
