special requirements before selection of material is
made. The type of tubing or pipe required will be
as determined by local experience. In the absence
of actual experience with water characteristics, the
selection of materials for pipe, tubing, and tanks
will be made by reference to the classification of
water into categories as listed in TM 5-810-5/AFM
32-1070, Chap. 4. This specification allows
drainage systems up to 15 inch diameter only;
designer will ensure the availability of materials
when drainage line exceeds 15 inch diameter.
Designer will add desired working pressure ratings
for any plastic pipe, after the pipe material
description in TABLE II.
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ABS pipe shall have joints made with solvent cement. PVC and CPVC pipe
shall have joints made with solvent cement elastomeric, threading, or mated
flanged. Threading of Schedule 80 pipe is allowed only where required for
disconnection and inspection; threading of Schedule 40 pipe is not allowed.
Joints for plastic pipe materials shall be made in the following manner:
Pipe Material
Joint Method
Pipe Jointing Method
Socket and Butt Fusion
for PE Plastic Pipe
Pipe Jointing Method
Manufacturer's Recommendation
for Chemically Resistant
Glass Pipe
Pipe Jointing Method
Manufacturer's Recommendation
for Filament-Wound
Reinforced Thermosetting
Resin Pipe (RTRP)
ABS
Solvent Cement
PVC AND CPVC
Solvent Cement Elastomeric
(Threading of Schedule 80 Pipe
is allowed, only where required
for disconnection and inspection)
(Threading of Schedule 40 Pipe is not
allowed) Flanged, Grooved Joint to
Joint Methods
3.7.8
Glass Pipe
Joints for corrosive waste glass pipe and fittings shall be made with
corrosion-resisting steel compression-type couplings with acrylonitrile
rubber gaskets lined with polytetrafluoroethylene.
3.7.9
Corrosive Waste Plastic Pipe
Joints for polypropylene pipe and fittings shall be made by mechanical
joints or electrical fusion coil method. Joints for filament-wound
reinforced thermosetting resin pipe shall be made in accordance with
manufacturer's instructions. Unions shall be used where required for
SECTION 15405A
Page 86
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