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AUGUSTIN BERNAL MOUNTAIN BIKE TRAIL PROJECT DRAFT INITIAL STUDY Impact Discussion a) Would the project result in potentially significant environmental impact due to wasteful,inefficient, or unnecessary consumption of energy resources, during project construction or operation? Construction Energy Use Electricity Temporary electric power for as-necessary lighting and electronic equipment would be provided by Pacific Gas & Electric. The amount of electricity used during construction would be minimal since typical demand would be from electrically powered hand tools.The electricity used for construction activities would be temporary and minimal; therefore, project construction would not result in wasteful, inefficient, or unnecessary consumption of electricity. Impacts would be less than significant. Natural Gas Natural gas is not anticipated to be required during construction of the project. Fuels used for construction would primarily consist of diesel and gasoline, which are discussed under the subsection "Petroleum," below. Any minor amounts of natural gas that may be consumed as a result of project construction would be temporary and negligible and would not have an adverse effect; therefore, project construction would not result in wasteful, inefficient, or unnecessary consumption of natural gas. Impacts would be less than significant. Petroleum Petroleum would be consumed throughout construction. Fuel consumed by construction equipment would be the primary energy resource expended over the course of construction. Transportation of construction materials and construction workers would also result in petroleum consumption. Heavy-duty construction equipment,vendor trucks,and haul trucks would use diesel fuel. Construction workers would likely travel to and from the project area in gasoline-powered vehicles. Construction is expected to take approximately 3 months. Once construction activities cease, petroleum use from off-road equipment and transportation vehicles would end. Because of the short-term nature of construction and relatively small scale of the project, the project's petroleum consumption would be negligible when compared to California's daily total use of approximately 1.8 million barrels of petroleum.As such, impacts would be less than significant. Operational Energy Use Anticipated energy use would primarily be attributed to visitors and maintenance vehicles traveling to and from the project site.The park is a recreational facility that does not use electricity or natural gas, and petroleum consumption associated with park visitors would be minimal in comparison with other types of development,such as commercial and industrial uses.Additionally,the project site supports an unofficial user-created trail. While construction of an official, appropriately designed trail is expected to increase use of the trail, the trail would serve a predominantly local 12956 DUDEK 50 April 2022