be push-on joints as specified in ASTM D 3139 or shall be compression-type
joints/mechanical-joints as respectively specified in ASTM D 3139 and AWWA
C111. Each joint connection shall be provided with an elastomeric gasket
suitable for the bell or coupling with which it is to be used. Gaskets for
push-on joints for pipe shall conform to ASTM F 477. Gaskets for push-on
joints and compression-type joints/mechanical-joints for joint connections
between pipe and fittings shall be as specified in AWWA C111, respectively,
for push-on joints and mechanical-joints.
2.1.11
High Density Polyethylene Pipe
ASTM F 894, Class 63, size 450 mm 18 inch through 3000 mm 120 inch. ASTM F
714, size 100 mm 4 inch through 1200 mm 48 inch. The polyethylene shall be
certified by the resin producer as meeting the requirements of ASTM D 3350,
cell Class 334433C. The pipe stiffness shall be greater than or equal to
1170/D for cohesionless material pipe trench backfills. Fittings for High
Density Polyethylene Pipe: ASTM F 894. Joints for high density
polyethylene pipe: Rubber gasket joints shall conform to ASTM C 443M ASTM
C 443.
2.1.12
Reinforced Plastic Mortar Pipe (RPMP)
Reinforced plastic mortar pipe shall be produced by centrifugal casting and
shall have an outside diameter equal to dectile iron pipe dimensions from
450 mm 18 inch to 1200 mm 48 inch. The inner surface of the pipe shall
have a smooth uniform continuous resin-rich surface liner. The minimum
pipe stiffness shall be 248 kPa 36 psi. RPMP shall be in accordance with
ASTM D 3262. Fittings for RPMP: ASTM D 3840. Joints for RPMP: Bell and
spigot gasket coupling utilizing an elastomeric gasket in accordance with
ASTM D 4161 and ASTM F 477.
2.1.13
Reinforced Thermosetting Resin Pipe (RTRP)
RTRP pipe: ASTM D 3262. Fittings for RTRP: ASTM D 3262. Joints for
RTRP: Bell and spigot type utilizing an elastomeric gasket in accordance
with ASTM F 477.
2.1.13.1
Filament Wound RTRP-I
RTRP-I shall conform to ASTM D 2996, except pipe shall have an outside
diameter equal to cast iron outside diameter or standard weight steel pipe.
The pipe shall be suitable for a normal working pressure of 1.03 MPa 150
psi at 22.8 degrees C 73 degrees F. The inner surface of the pipe shall
have a smooth uniform continuous resin-rich surface liner conforming to
ASTM D 2996.
2.1.13.2
Centrifugally Cast RTRP-II
RTRP-II shall conform to ASTM D 2997.
Pipe shall have an outside diameter
equal to standard weight steel pipe.
2.1.14
Piping Beneath Railroad Right-of-Way
Where pipeline passes under the right-of-way of a commercial railroad,
piping shall conform to the specifications for pipelines conveying
nonflammable substances in AREMA 1-5, except as otherwise specified in this
paragraph. For casing pipe provide ductile-iron pipe in lieu of cast-iron
soil pipe. Ductile-iron pipe shall conform to and have strength computed
in accordance with ASTM A 746.
SECTION 02531
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