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Robert Duffy, Qsp <br />Construction Inspector <br />CERTIFICATION <br />Qualified SWPPP <br />Practitioner/ California <br />Stormwater Quality <br />Association/#26617 <br />EXPERIENCE <br />With Psomas for 1 year; <br />with other firms for 30 <br />years <br />Bob Duffy is experienced in the construction industry performing inspection, <br />contract administration and construction management duties on civil <br />construction projects. Various projects were water related construction <br />projects including pipelines, pump stations, pressure reducing stations, lift <br />stations, storage and treatment facilities. They have included CIP retaining <br />walls, box culverts and other reinforced concrete structures, drainage <br />facilities, surface improvements and road construction working with both <br />the public and private sectors. <br />Experience <br />Transbay Pump Station Repairs, Coronado, CA: Inspecting removal and <br />replacement of suction and discharge piping and valves, wet well repairs and <br />lining installation, installation of new flow meter and plug valves in 30" HDPE <br />Sewer Force Main including hot tap and line stop valve installation as part of <br />bypass pumping system, including dewatering system. <br />Mid -Coast Corridor Transit Project, San Diego, CA: Performing QA <br />as part of SANDAG Consultant team on Advanced Wet Utilities including <br />extending cap, encasing 15" VCP Sewer, extending casing on 16" Sewer <br />vent piping, installing 300' of 8" PVC Sewer including 30" steel casing jack <br />and bore, relocating 500' of existing sewer main with 21" EVCP with bypass <br />pumping/ dewatering systems and replacing 36" sewer main with 18" EVCP <br />with bypass pumping/dewatering systems. <br />Crown Terrace Sewer Replacement, Arroyo Grande, CA: Inspected the <br />removal and replacement installation of 300' of 6" PVC Sewer with bypass <br />pumping system. <br />Force Main Replacement, Oceanside, CA: Inspected the installation of 24- <br />inch HDPE in micro -tunneled steel casing under Highway 78 and installation <br />of 24-inch PVC in jack and bored steel casing crossing under North County <br />Transit District's Sprinter Railroad tracks and adjacent to a triple box culvert. <br />Foster Creek Channel Improvements/Route 52 Extension, Santee, CA: <br />Inspected project involving replacement and upgrade of water and sewer <br />facilities including 36" VCP sewer. <br />Force Main and Influent Pump Station Improvements, Santee, CA: <br />Inspected the slip -lining of over three miles of 24-inch force main to the <br />Wastewater Treatment Plant, which required a complete shutdown of the <br />WWTP. The shutdown was scheduled for 30 days, and was completed six <br />days early. <br />Prospect Avenue Sewer Improvement Project, Santee, CA: Inspected <br />the replacement and upgrade of over 5,000 feet of sewer main up to 24" <br />PVC in a major arterial road with bypass pumping. <br />IDA Sewer Improvement Project, Padre Dam Municipal Water District, <br />Santee, CA: Inspected the replacement and upgrade of nearly one mile <br />of sewer main up to 24" PVC in various streets and across County Airport, <br />including some installed in jack and bore casing with bypass pumping. <br />PS O MAS HFPNo. <br />19-" all Wal��soriy lr(tion Management and Inspection Services I City of Santa Ana <br />