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NOTE: Detail the methods of supporting pipe in
trenches.
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l.
Piping in trenches shall be supported as indicated.
3.1.6
Pipe Sleeves
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NOTE: Typical details of pipe sleeves through
walls, floors, and roofs are shown in TM 5-805-6,
JOINT SEALING FOR BUILDINGS. The applicable detail
plates will be completed and included in the
contract drawings. Sleeve thickness and square- and
rectangular- opening detail will be determined and
indicated.
Fire walls and fire partitions shall be designated
on the drawings.
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Pipe passing through concrete or masonry walls or concrete floors or roofs
shall be provided with pipe sleeves fitted into place at the time of
construction. Sleeves shall not be installed in structural members except
where indicated or approved. Rectangular and square openings shall be as
detailed on the drawings. Each sleeve shall extend through its respective
wall, floor, or roof, and shall be cut flush with each surface. Unless
otherwise indicated, sleeves shall be of such size as to provide a minimum
of 6 mm 1/4 inch all around clearance between sleeve and bare pipe or
insulation surface. Sleeves in bearing walls, waterproofing membrane
floors, and wet areas shall be steel pipe or cast-iron pipe. Sleeves in
nonbearing walls, floors, or ceilings may be steel pipe, cast-iron pipe, or
galvanized sheet metal with lock-type longitudinal seam and of the metal
thickness indicated. Except in pipe chases or interior walls, the annular
space between pipe and sleeve or between jacket over insulation and sleeve
in nonfire-rated walls and floors shall be sealed as indicated and
specified in Section 07920 JOINT SEALANTS and in fire-rated walls and
floors shall be as indicated and specified in Section 07840 FIRESTOPPING.
Pipes passing through wall waterproofing membrane shall be sleeved as
described above. In addition, a waterproofing clamping flange shall be
installed as indicated.
3.1.6.1
Roof or Floor Penetrations of Waterproofing Membrane
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NOTE: Indicate on drawings details of pipes through
flashing or waterproof membrane, and method of
sealing.
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Pipes shall be installed through a 1.8 kg 4 pound lead-flashing sleeve, a
453 g 16 ounce copper sleeve, or a 0.081 mm 0.032 inch thick aluminum
sleeve, each having an integral skirt or flange. Flashing sleeve shall be
suitably formed. The skirt or flange shall extend 200 mm 8 inches or more
from the pipe and shall be set over the roof or floor membrane in a
troweled coating of bituminous cement. The flashing sleeve shall extend up
the pipe a minimum of 50 mm 2 inches above the highest flood level of the
roof or a minimum of 250 mm 10 inches above the floor or roof, whichever is
SECTION 15562A
Page 34
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