PG&E T-1527 and T-1528 Hydrostatic Strength Test Project


SCH Number
Public Agency
East Contra Costa County Habitat Conservancy
Document Title
PG&E T-1527 and T-1528 Hydrostatic Strength Test Project
Document Type
NOE - Notice of Exemption
Document Description
PG&E is planning to conduct pipeline hydrostatic testing and pipeline improvements on Gas Line 131 for test segments T-1527 and T-1528 between Mile Posts 17.55 and 20.98 in Contra Costa County. The purpose of the strength testing is to identify potential pipeline defects that could subsequently cause a rupture or leak. Maintenance and repair of the system is required by the California Public Utilities Commission (CPUC) General Order 112-F, which incorporates the United States (U.S.) Department of Transportation regulations provided by Title 49, Part 192 (Transportation of Natural and Other Gas by Pipeline) of the Code of Federal Regulations. The East Contra Costa Habitat Conservancy Governing Board authorized staff to execute a Participating Special Entity Agreement with PG&E for this Project to extend take coverage.

Contact Information

Joanne Chiu
Agency Name
East Contra Costa County Habitat Conservancy
Contact Types
Lead/Public Agency


Contra Costa
Total Acres
Parcel #
007-380-011; 007-380-018; 007-160-014; 007-160-015; 007-170-001; 007-170-002; and 005-110-001
Other Location Info
The northern end of the project is in Brentwood located near Marsh Creek State Historic Park. The project extends south to the junction of Marsh Creek Road and Camino Diablo, and then extends further south onto the Los Vaqueros Reservoir Watershed, terminating just north of Walnut Blvd near Los Vaqueros Reservoir.

Notice of Exemption

Exempt Status
Statutory Exemption
Type, Section or Code
California Code of Regulations, Title 14, §15284
Reasons for Exemption
The project consists of strength testing to identify potential pipeline defects of an existing pipeline and no expansion of its existing use
County Clerk
Contra Costa


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