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<br />Siva Sivathasan, PhD, PE, GE, DGE, QSD, F.ASCE -
<br />Principal Engineer
<br />Dr. Sivathasan is a registered civil and geotechnical engineer EDUCATION
<br />in California, with 25 years of geotechnical and construction ' PhD, Civil Engineering, University of
<br />experience. He is skilled at analyzing complex geotechnical California, Davis, 2002
<br />• MS, Civil Engineering, University of
<br />problems and has prepared comprehensive reports with California, Davis, 1997
<br />detailed recommendations. He also has extensive knowledge • BS, Civil Engineering, University of
<br />of construction projects from managing geotechnical Peradeniya, Sri Lanka, 1994
<br />observation and testing, special inspection and material
<br />testing, and Caltrans source inspection services. He has been REGISTRATIONS/CERTIFICATIONS
<br />providing these services on pipeline, water treatment plants,
<br />pump stations, wells, reservoirs and other related project ' California, Civil Engineer
<br />types. No. 63185
<br />• California, Geotechnical Engineer
<br />No. 2708
<br />Relevant Experience • Diplomate in Geotechnical
<br />Engineering No. 1169
<br />Orange County Water District Groundwater ' CFR 1910.120 OSHA 8-Hour
<br />Replenishment System, Fountain Valley, CA. Project Refresher Training
<br />• CFR 1910.120 OSHA 40-Hour
<br />Manager. Responsible for geotechnical investigation and Training
<br />geotechnical observation and testing during construction. The • Nuclear Soil Density Gauge
<br />project consisted of modifying the OCWD Groundwater Certification
<br />Replenishment System from 70 MGD to 100 MGD. The
<br />project involved the Advanced Water Treatment Facility (AWPF) expansion, and the Secondary
<br />Effluent Flow Equalization project. The expansion required the construction of several new
<br />structures, including two 7.5 MG above -ground steel storage tanks, 1,000 linear feet of 54-inch
<br />diameter pipeline, 200 linear feet of 54-inch diameter pipeline, a LIV facility for installation of
<br />two new LIV trains, a decarbonation tower, a lime saturator, and other modifications and
<br />upgrades.
<br />California Water Service Pump Station 42, Los Angeles, CA. Project Manager. Responsible
<br />for geotechnical investigation and geotechnical observation and testing during construction.
<br />The project consisted of booster station upgrades at Pump Station 42 adjacent to property at
<br />1037 North Eastern Avenue, Los Angeles, California. The concrete masonry pump building, a
<br />4,000-gallon surge tank concrete pad, and one diesel generator pad were constructed at the
<br />site. The project included a seismic hazard evaluation to meet current applicable seismic codes.
<br />The structure loads for the proposed construction are not known at this time and are anticipated
<br />to be low.
<br />East 27t' Street Water Main Replacement, Long Beach, CA. Project Manager/Project
<br />Engineer. Provided oversight of the geotechnical observation and testing, special inspection
<br />and material testing during construction. The project consisted of replacing existing water line
<br />with 4,100 linear feet of cast iron pipe on East 27th Street, Elm Avenue, Pasadena Avenue,
<br />Linden Avenue and Via Passilo in the City of Long Beach, California. The project included the
<br />installation of various valves, service laterals and fire hydrants; reconnecting existing service
<br />lines and fire hydrant lines to the new water line; replacing existing water meters; abandoning
<br />existing water mains and service laterals.
<br />25B-53
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