Sewers
Mariposa County
Design of small diameter variable grade effluent sewers and mound disposal systems for three rural communities. The work included a review of available technical literature on these innovative technology systems and discussions with experts throughout the United States.
Santa Cruz County Sanitation District, Aptos Transmission Main Relocation
Participated in an analysis of relocating a major transmission main from a beach to an inland location. The original main had been damaged by movement of the beach sand during major storms. The alternative location required pumps with greater heads but it was found...
Monrovia Canyon Park Wastewater Disposal
Analyzed three alternatives for disposing of wastewater from a remote canyon park: (a) over a mile of conventional sanitary sewer to connect to the City sewer system; (b) septic tanks with a small diameter variable grade effluent sewer (VGES) to the City sewer system;...
Santa Cruz County Sanitation District
Served as the lead project engineer on the design of rehabilitation of 25,000 linear feet of sewer pipe for the Santa Cruz County Sanitation District to correct excessive leakage (infiltration and inflow). The project rehabilitated the building laterals from the...
Rocklin-Loomis Municipal Utility District
Sewer master plan for a 66 square mile region. The district had been in one geographic basin for 25 years, but had recently been given responsibility for a much expanded area and two new trunk sewer systems. The work of projecting growth rates an land use patterns was...
Placer County Bell Road Subdivision
Design and construction services on 24,000 feet of sanitary sewers and forcemains, and two new sewage pumping stations for the Bell Road Subdivision.
City of National City
Design of 1,300 feet of sewer, including two jack and bores. During the study phase, inversion lining and slip lining were considered for parts of the sewer project. The project also included replacement of pumping equipment and installation of a new radio alarm...
City of Vacaville
Elmira Road Trunk Sewer Replacement. Design of 3,500 feet of 54- inch sewer to replace an existing sewer which was damaged by hydrogen sulfide corrosion. To protect the new sewer, PVC lined concrete pipe was specified.