XII. UTILITIES AND SERVICE SYSTEMS
The project is proposed to respond to regional demand for electrical utility service and would not in itself be considered a cause for other new or altered power or natural gas utilities. During construction, power and natural gas lines underground or overhead could be unintentionally disrupted resulting in short-term service interruptions. In order to avoid service interruptions, PG&E will contact Underground Service Alert (USA) prior to construction to identify the location of existing underground utilities. Therefore, no impact to power or natural gas systems or supplies would occur.
No telecommunication lines would have to be altered, moved or require short-term suspension of service to construct the project. In order to avoid service disruptions to communication systems PG&E will coordinate with communication service providers prior to construction to identify the location of existing communication facilities. Therefore, no impact on communication services would occur.
d)Implementation of the proposed project would not create a demand on water supply or sewer services. No water or sewer lines would have to be moved or altered as a result of the proposed facilities. During construction, underground local or regional water treatment or distribution facilities could be unintentionally disrupted, resulting in short-term service interruptions. Prior to construction, PG&E would consult with USA to identify the location of these existing facilities. Therefore, no impact to water supply and sewer services would occur.
The proposed facilities at the Monta Vista substation and SCVWD sites would not result in a substantial increase in storm water runoff. The expected increase in the amount of impermeable surfaces that would create additional run-off is small and would have a less than significant impact on the local storm drainage system. Site runoff would not exceed the capacity of the storm drains serving the sites. Therefore, the project would have a less than significant impact on storm water infrastructure (also see Section IV, Water).
The proposed project would require solid waste disposal service only during the construction phase. PG&E and its construction contractors would remove all solid wastes from the site to an appropriate landfill or recycling facility. In the long term, no solid wastes would be generated at the sites. Therefore, the project would have a less than significant impact on solid waste disposal services.
The proposed project would require a minor increase in water use for construction that could be accommodated by available water service, and would not have a substantial impact on local or regional water supplies. No new facilities for water supply would be constructed. In the long term, no additional water services would be needed at the sites as a result of the project. Therefore, no impact to public water services would occur.
Applicant Proposed Mitigation
The following mitigation measures would be incorporated into the project by PG&E to ensure that any impacts to utilities and service systems resulting from the project would be less than significant:
PG&E-conducted surveys to locate underground and overhead utilities, and all utilities encountered by project facilities have been put on the construction plan maps. During construction, before any ground disturbance occurs, USA will be contacted to verify the location of existing underground utilities in order to ensure that they are avoided.
Representatives from all aerial utilities crossed by the project will be requested to be on-site for monitoring during construction.
Where the project crosses or is adjacent to live, overhead electric lines, signs will be installed warning equipment operators of the presence of the line.
PG&E will locate poles and install conductors at a safe distance from intersecting transmission line structures, conductors, and telephone wires in accordance with the distances specified in the California Public Utilities Commission (CPUC) General Order No. 95.
During reconductoring, temporary crossing structures will be installed at major roads, railroad crossings, and in the vicinity of other lines to prevent accidental contact during conductor removal and installation. Refer to the Project Description for more detail on the reconductoring process.
PG&E underground distribution gas lines will be located by PG&E technicians.
Representatives from non-PG&E underground utilities will be notified in advance that construction will occur near their lines.
The location of non-PG&E underground utilities will be provided by representatives from the utility.
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