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City of Frisco Engineering Standards

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Version 6/19/12<br />

PART 1 – GENERAL<br />

1.01 DESCRIPTION<br />

SECTION 331260<br />

MECHANICAL RESTRAINT FOR PVC AND DUCTILE IRON PIPE<br />

A. All material, labor, equipment, tools and superintendence necessary to furnish and install<br />

thrust restraint for polyvinyl chloride (PVC) and ductile iron water pipe in accordance with<br />

Public Works Construction <strong>Standards</strong>, NCTCOG, 4 th Edition, Item 502.4.2.<br />

1.02 REFERENCES<br />

A. ANSI/AWWA C110/A21.10, AWWA Standard for Ductile-Iron and Gray-Iron Fittings,<br />

Latest Revision.<br />

B. ANSI/AWWA C111/A21.11, AWWA Standard for Rubber-Gasket Joints for Ductile-Iron<br />

Pressure Pipe and Fittings, Latest Revision.<br />

C. Public Works Construction <strong>Standards</strong>, NCTCOG, 4 th Edition, Item 502.4.2<br />

PART 2 – PRODUCTS<br />

2.01 MATERIALS<br />

A. Refer to Public Works Construction <strong>Standards</strong>, NCTCOG, 4 th Edition, Item 502.4.<br />

PART 3 – EXECUTION<br />

3.01 PREPARATION<br />

A. Refer to Public Works Construction <strong>Standards</strong>, NCTCOG, 4 th Edition, Item 502.4.<br />

B. Concrete thrust blocks and mechanically restrained joints shall be required to resist thrust<br />

forces at all horizontal and vertical bends, tees and other fittings.<br />

C. Concrete thrust blocking shall be poured against undisturbed earth and will not bear against<br />

the backfill or bedding <strong>of</strong> another utility.<br />

PART 4 – MEASUREMENT AND PAYMENT<br />

4.01 MEASUREMENT<br />

A. Refer to Public Works Construction <strong>Standards</strong>, NCTCOG, 4 th Edition, Item 502.4.4.<br />

4.02 PAYMENT<br />

A. Refer to Public Works Construction <strong>Standards</strong>, NCTCOG, 4 th Edition, Item 502.4.4.<br />

END OF SECTION<br />

<strong>City</strong> <strong>of</strong> <strong>Frisco</strong> May 2012<br />

Standard Technical Specification Mechanical Restraint for PVC and Ductile Iron Pipe 331260-1

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