Redwood Park Tank Project - Initial Study – Mitigated Negative Declaration
MND - Mitigated Negative Declaration
Present Land Use
R-1-15 (Single-Family Residential)
The Redwood Park Tank Project (“proposed project” or “project”) consists of the construction and operation of a new 125,000-gallon bolted steel water storage tank on a 6,530 square-foot parcel (Assessor’s Parcel Number 078-233-05) located northwest of the intersection of Country Club Drive and Dundee Avenue in Ben Lomond, California. The project site is currently undeveloped. On the eastern side of the site, a cut slope descends to Dundee Avenue. A wooden fence stands approximately three feet north of the proposed tank location. The proposed footprint of the new 30-foot diameter water tank is clear of trees and thickly vegetated with ivy. A grove of native coast redwood and mixed hardwood species is located approximately 18 feet south of the proposed tank
The proposed project would require the removal of five trees: one small, suppressed coast redwood and four tanbark oak trees. Dead trees, branches, and secondary trunks would also be removed from the existing grove to improve grove health. The project would also involve post-construction revegetation of the site with five fruit and nut trees and three blackberry bushes.
The project would construct the following infrastructure at the project site:
? 125,000-gallon bolted steel water storage tank (30 feet in diameter, 24 feet in height)
? Two water pumps, housed in an 80 square-foot pumping station made from concrete masonry
and fire-resistant roofing
? Baserock surfaced or paved driveway
? 400 linear feet of 8-inch high-density polyethylene (HDPE) water pipeline connecting the project
site to the “Swim Water Storage Tanks” site on Country Club Drive
? Standby backup generator and propane tank for emergency power
Construction of the project is estimated to commence in August 2020 and last 12 months.
Before commencement of construction, vegetation and roots would be cut back from the building area. Construction equipment could include an excavator, tractor box scraper, and bobcat. Construction activities would include soil excavation for ring footings, cut-and-fill grading to construct a level building pad for the water tank and apron, and re-densification of soil under the tank pad. Excavation would be up to a maximum of four feet in depth. A six-foot high fence would be constructed around the new water tank to partially block it from public view. Fencing material would be a
combination of wood and chain link, with wood serving as a visual barrier. The new water pipeline would be located entirely underground within the paved roadway on Country Club Drive. Pipeline construction would take approximately three weeks.
Operation and maintenance activities would be conducted by SLVWD employees, and would require approximately one trip per month to the project site. The pump station would operate up to three hours per day. The proposed project would require approximately 22,000 kilowatt hours (kWh), or 22 megawatt-hours (MWh) of electricity annually. The project also includes a liquid propane gas (LPG) generator for emergency backup energy supply.
California Air Resources Board (ARB), California Department of Conservation (DOC), California Department of Fish and Wildlife, Bay Delta Region 3 (CDFW), California Department of Forestry and Fire Protection (CAL FIRE), California Department of Parks and Recreation, California Department of Transportation, District 4 (DOT), California Department of Water Resources (DWR), California Highway Patrol (CHP), California Native American Heritage Commission (NAHC), California Natural Resources Agency, California Public Utilities Commission (CPUC), California Regional Water Quality Control Board, Central Coast Region 3 (RWQCB), Department of Toxic Substances Control, Office of Historic Preservation, State Water Resources Control Board, Division of Water Rights, State Water Resources Control Board, Divison of Financial Assistance
Water Facilities (Water storage infrastructure.)(MGD n/a)
Aesthetics, Agriculture and Forestry Resources, Air Quality, Biological Resources, Cultural Resources, Drainage/Absorption, Geology/Soils, Greenhouse Gas Emissions, Hazards & Hazardous Materials, Hydrology/Water Quality, Land Use/Planning, Mineral Resources, Noise, Population/Housing, Public Services, Recreation, Transportation, Tribal Cultural Resources, Vegetation, Wildfire, Other
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