Water Service Line Permit Requirements
The on-line permit is available for properties in Sunnyvale with a residential zoning district.
Zoning district information is available on-line by clicking on E-Zoning.
This permit will allow replacement of the existing water service line between the building and the
City water meter. The following are the minimum requirements that must be met based on the 2007
California Building Codes:
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Water pipes and fitting outside of the building shall be brass, copper (type L or M), cast iron,
galvanized malleable iron, galvanized wrought iron, galvanized steel, or other approved material. (CPC 604)
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The new water service must be buried a minimum of 12". (CPC 609)
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Grounding of the electrical service is required with all re-pipes. Grounding shall consist of a continuous
grounding conductor run from the panel to a ground rod (grounding electrode) and to the cold water pipe.
Grounding of the electrical service at the main water line must be within the first 5’ of water piping into
the building. The underground water service shall not be used as the sole grounding system; it must be
supplemented with a ground rod. Grounding and bonding shall comply with the 2007 California Electrical Code.
Contact the Building Division at (408) 730-7444 or on-line at
www.SunnyvaleBuilding.com for requirements and handouts on the
bonding and grounding requirements.
The Water Service Line Permit is NOT available on-line if you are:
- Adding a new
water service with a new City water meter.
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If the condition above applies, the permit shall be issued at the One-Stop
Permit Center, City Hall, 456 W Olive Avenue. Specific process information
is available at the
Building Division web site.
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Inspections
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Two inspections are required, a rough and a final. The rough inspection should be scheduled when the new water line is installed and before it is covered up. A final inspection should be scheduled after all work is complete.
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