Colorado River Aqueduct Fault Current Protection and 230 kV and 69 kV Disconnect Switch Replacement - Preliminary Design
Summary
SCH Number
2006098308
Public Agency
Metropolitan Water District of Southern California
Document Title
Colorado River Aqueduct Fault Current Protection and 230 kV and 69 kV Disconnect Switch Replacement - Preliminary Design
Document Type
NOE - Notice of Exemption
Received
Posted
9/29/2006
Document Description
The Colorado River Aqueduct (CRA) is a 242-mile long conveyance system, which transports water from Lake Havasu to Lake Mathews. The CRA consists of five pumping plants, 124 miles of tunnel, 63 miles of concrete-lined canal, 55 miles of cut-and-cover conduit, inverted siphons, and reservoirs. The Metropolitan Water District of Southern California (Metropolitan) proposes to assess the existing power grid characteristics, the requirements for upgrading motor circuit breakers and related electrical equipment, and will conduct preliminary design to upgrade circuit breakers at the five CRA pumping plants. Additionally, Metropolitan proposes to evaluate alternatives for replacement of the disconnect switches at the CRA pumping plants' 230 kV and 69 kV switchyards, including the switch operators, and will perform preliminary design.
Contact Information
Name
Michael Melanson
Agency Name
Metropolitan Water District of Southern California
Contact Types
Lead/Public Agency
Phone
Location
Counties
Riverside, San Bernardino
Other Location Info
Various cities
Notice of Exemption
Exempt Status
Categorical Exemption
Type, Section or Code
Section 15306
Reasons for Exemption
The proposed project consists of initiating design, and basic data collection and resource evaluation activities, which do not result in a serious or major disturbance to an environmental resource. This may be strictly for information gathering purposes, or as part of a study leading to an action, which a public agency has not yet approved, adopted, or funded.
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