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Laurence Esguerra, PE <br />Task Engineer — Sewer Main Relining/ <br />Rehabilitation <br />Mr. Esguerra has provided design engineering in various water and <br />wastewater projects including domestic and reclaimed water pipelines, <br />water main replacements, gravity sewer mains, pump stations, lift stations, <br />reinforced concrete reservoirs, flow control facilities, and pressure reducing <br />valve vaults. Responsibilities have included preparation of construction <br />plans and specifications, design calculations and project memorandums. <br />EXPERIENCE <br />La Paz Road Recycled Water Extension, Phase 1, Moulton Niguel <br />Water District, Laguna Hills, CA. Design Engineer for approximately <br />4,000 linear feet of 12-inch PVC recycled water main within the City of <br />Laguna Hills and Mission Viejo. <br />Education: <br />B.S., Civil Engineering, <br />University of California, Irvine, <br />2004 <br />Registrations/Certifications: <br />Registered Civil Engineer, <br />California, No. 73803, 2009 <br />Professional Affiliations: <br />American Society of Civil <br />Engineers <br />Office Location: <br />Irvine, CA <br />Years of Experience: <br />16 <br />Years with Tetra Tech: <br />16 <br />Recycled Water Distribution System Expansion, El Toro Water <br />District, Laguna Woods, CA. Project Engineer for the design of over 20 <br />miles of recycled water pipelines for the El Toro Water District's - Recycled Water Distribution System <br />Expansion Project. The pipelines range in size from 4-inch to 20-inch in diameter, and will convey up to 775 <br />acre-feet of tertiary treated recycled water per year. The major customer being served recycled water is the <br />Laguna Woods Village Home Owners Association (formerly Leisure World). <br />Mariposa El Segundo Recycled Water Lateral, West Basin Municipal Water District, Los Angeles County, <br />CA. Design Engineer for approximately 1,600 linear feet of 6-inch PVC recycled water main to provide recycled <br />water to the Mattel Corporation in the City of El Segundo. <br />Sand Canyon Grade Separation, Irvine Ranch Water District, Irvine, CA. Design Engineer for the design of <br />the relocation of over 5,000 linear feet of 8- to 24-inch potable pipeline in the City of Irvine as part of the <br />Roadway Grade Separation for the Railroad. The project also included the design of 2,000 feet of 16-inch <br />recycled waterline. <br />Centennial Park Neighborhood Water Main Improvements, City of Santa Ana, Santa Ana, CA. Design <br />Engineer for approximately 20,000 linear feet of 8-inch PVC water main to replace existing water mains. <br />Central City Water Main Improvements, City of Santa Ana, Santa Ana, CA. Design Engineer for <br />approximately 6,600 linear feet of 8-inch PVC water main to replace existing water mains. <br />Pico -Lowell Neighborhood Water Main Improvements, City of Santa Ana, Santa Ana, CA. Design Engineer <br />for approximately 8,200 linear feet of 8- and 12-inch PVC water main to replace existing water mains. <br />Ohio Street and Oriente Drive Pipeline Replacement, Yorba Linda Water District, Yorba Linda, CA. <br />Design Engineer for approximately 3,000 feet of 16-inch ductile iron and 1,000 feet of PVC water main to <br />replace existing cast iron water mains within the City of Yorba Linda. The project included the replacement of <br />existing water services, fire hydrants and the up -sizing of the existing main. <br />Gisler -Red Hill Trunk Improvements, Reach B, Orange County Sanitation District, Fountain Valley, CA. <br />Engineering services for the replacement of 21- and 24-inch sewer mains for the Gisler -Red Hill Trunk <br />Improvements, Reach B to be replaced with 24- to 36-inch pipelines. The project traversed through the Cities of <br />Tustin, Santa Ana and Irvine. Scope of services included preliminary design, final design, and construction <br />administration. <br />TETRA TECH <br />