City of Frisco Engineering Standards

SECTION 331217
RESILIENT SEATED GATE VALVES
PART 1 – GENERAL
1.01 DESCRIPTION
A. All material, labor, equipment, tools and superintendence necessary to furnish and install
Resilient Seated Gate Valves for potable water systems in accordance with Public Works
Construction Standards, NCTCOG, 4 th Edition, Item 502.6.2.
1.02 REFERENCES
A. AWWA C509, AWWA Standard for Resilient Seated Gate Valves for Water Supply
Service, Latest Revision.
B. AWWA C515, AWWA Standard for Reduced Wall, Resilient Seated Gate Valves for Water
Supply Service, Latest Revision.
C. Public Works Construction Standards, NCTCOG, 4 th Edition, Item 502.6.2
D. City of Frisco’s Standard Detail for Gate Valves.
PART 2 – PRODUCTS
2.01 MATERIALS
A. Refer to Public Works Construction Standards, NCTCOG, 4 th Edition, Item 502.6.2.
B. Gate valves shall be Mueller Model Series 2360, M&H Model Series 4067/7571, American
Flow Control Model Series 2500 or approved equal.
C. Valve boxes shall be three (3) piece screw type cast iron of the extension type. The three (3)
pieces shall consist of the top section, bottom section and cover.
PART 3 – EXECUTION
3.01 INSTALLATION
A. Refer to Public Works Construction Standards, NCTCOG, 4 th Edition, Item 502.6.6.1.
B. All valve locations shall be marked with a “V” sawcut on the curb or pavement. The “V”
shall point to the location of the valve as follows:
Valve in pavement
Valve outside pavement
Upright “V”
Upside Down “V”
C. Valve boxes over four feet (4’) deep shall require extensions. Valve box extensions shall be
cast iron. PVC pipe is not allowed.
City of Frisco May 2012
Standard Technical Specification Resilient Seated Gate Valves 331217-1