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 | Engineer of work for preliminary feasibility, alignment and cost studies to provide services for 90-acre Industrial and Business Park. Extensive sewer capacity studies were conducted for the entire Kearny Mesa basin, from SR-52 to the North Mission Valley Interceptor Sewer. Scope of study included analysis of existing and proposed land uses and development intensity, hydraulic capacity assessment of existing system, impact of Allred Collins Business Park West sewer pump station, feasibility studies for the diversion of sewage flows from Tecolote Canyon to the Kearny Mesa system via the Allred Collins pump station and feasibility study to delete a portion of the City of San Diego Kearny Mesa Trunk Sewer, Phase III project. (Construction change to the Kearny Mesa Trunk Sewer System, Phase III project was also prepared.) Work included hydraulic calculations, cost estimates, force main design life calculations and surge analyses. Analyses also included short and long term impact of the Allred Collins pump station upon the North Mission Valley Interceptor Sewer.
Final plans included: 3.9 miles of gravity sewer mains including 3,200'''' off-site sewer in existing streets, and removal and replacement of 1,300'' of existing 15" sewer.
Sewer pump station design (1.3 MGD, 185'' TDH), 43'' below finish grade with a one story block building above grade. (Station features include 6-hour emergency storage, back up generator, odor control system, automated controls, alarm and telemetry systems; all materials required to be impervious to corrosion, including aluminum stairs and ladders.)
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