City of Frisco Engineering Standards

PART 1 – GENERAL
1.01 DESCRIPTION
SECTION 331260
MECHANICAL RESTRAINT FOR PVC AND DUCTILE IRON PIPE
A. All material, labor, equipment, tools and superintendence necessary to furnish and install
thrust restraint for polyvinyl chloride (PVC) and ductile iron water pipe in accordance with
Public Works Construction Standards, NCTCOG, 4 th Edition, Item 502.4.2.
1.02 REFERENCES
A. ANSI/AWWA C110/A21.10, AWWA Standard for Ductile-Iron and Gray-Iron Fittings,
Latest Revision.
B. ANSI/AWWA C111/A21.11, AWWA Standard for Rubber-Gasket Joints for Ductile-Iron
Pressure Pipe and Fittings, Latest Revision.
C. Public Works Construction Standards, NCTCOG, 4 th Edition, Item 502.4.2
PART 2 – PRODUCTS
2.01 MATERIALS
A. Refer to Public Works Construction Standards, NCTCOG, 4 th Edition, Item 502.4.
PART 3 – EXECUTION
3.01 PREPARATION
A. Refer to Public Works Construction Standards, NCTCOG, 4 th Edition, Item 502.4.
B. Concrete thrust blocks and mechanically restrained joints shall be required to resist thrust
forces at all horizontal and vertical bends, tees and other fittings.
C. Concrete thrust blocking shall be poured against undisturbed earth and will not bear against
the backfill or bedding of another utility.
PART 4 – MEASUREMENT AND PAYMENT
4.01 MEASUREMENT
A. Refer to Public Works Construction Standards, NCTCOG, 4 th Edition, Item 502.4.4.
4.02 PAYMENT
A. Refer to Public Works Construction Standards, NCTCOG, 4 th Edition, Item 502.4.4.
END OF SECTION
City of Frisco May 2012
Standard Technical Specification Mechanical Restraint for PVC and Ductile Iron Pipe 331260-1