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The successful field investigation and seismic/structural analysis of seven of the City of Santa Ana's potable water concrete reservoirs involves many challenges. Tetra Tech's strength that will allow us to respond to the requirements of this project lies in the qualifications of our project team, individual team members' commitment, and our knowledge of reservoir rehabilitation and design. Our project team consists of professionals specializing in structural engineering of water storage structures. All team members have established records of success in their areas of expertise. They have proven experience and have delivered, with unparalleled technical excellence, many similar reservoir evaluation, rehabilitation and design projects. Our team members have demonstrated their ability to resolve complex issues and produce cost-effective planning and design for water storage facilities throughout California. All are also certified in confined -space entry and fall prevention. CORPORATE/CONTACT INFORMATION CONSULTANT: Tetra Tech LEGAL FORM OF COMPANY: Corporation (publicly traded) YEAR ESTABLISHED: 1966 PERSONNEL: 20,000 CORPORATE HQ: 3475 East Foothill Blvd, Suite 300 Pasadena CA 91107 Tel:626.351.4664 Fax: 626.683.0060 PROJECT OFFICE: PROJECT TEAM ORGANIZATION AND KEY PERSONNEL 160 E. Via Verde, Suite 240 RESPONSIBILITIES San Dimas, CA 91773 All of our engineering and design services will be performed by our PRIMARY CONTACT: in-house staff of experts along with our specialist sub -consultants, Eric Yuen, P.E/S.E. as depicted on the team chart. Experienced staff assigned to your eric.vuen'btetratech.com project from start to finish will ensure that valid information is 909.305.2951 developed and sensitive issues are resolved. All phases of the project will require thoroughness and attention to detail to make certain that City of Santa Ana gets first- class final deliverables. EXPERIENCE OF THE PROJECT MANAGER AND KEY STAFF MEMBERS Project Manager— The stewardship of Eric Yuen, P.E., S.E. will be the driving force behind the Tetra Tech team. He will be a focal point for communication between the City and members of the project team to ensure that project needs are clearly spelled out and understood. As Project Manager, Mr. Yuen will be responsible for achieving the stated goals, assessing viable alternatives, and ensuring compliance with project intent, completeness of the final deliverables, conformance to the project schedule, and satisfaction of the City. Mr. Yuen has over 12 years of structural engineering design experience, with special emphasis in the evaluation, rehabilitation and design of water storage and containment structures. The reservoir structures in Mr. Yuen's experience have been water storage tanks of various types, including conventionally reinforced and prestressed concrete, welded steel and bolted steel. Mr. Yuen has successfully completed over 10 seismic/structural evaluations of potable reservoirs. He has provided retrofit design and construction phase services for a number of the reservoirs he evaluated. Having recently performed the Davit Fall Arrest System Feasibility Study for all City of Santa Ana reservoir sites, Mr. Yuen is already familiar with the seven concrete reservoirs to be evaluated under this project. Principal -in -Charge and QA/QC Manager— Victor Ramirez, PE., S.E. heads the structural division of Tetra Tech's Southwest Water/Wastewater Group in Southern California. He is responsible for all of Tetra Tech's structural design work on water/wastewater-related storage and treatment facilities in the southwestern United States. He has over 30 years of design experience in the new construction and seismic retrofitting of concrete and steel reservoirs, all with Tetra Tech. He has been involved in the design of over three dozen new concrete reservoirs, ranging in size from 1.0 to 33.0 MG, and over 75 steel reservoirs, the largest of which was over 10 MG. He has served as project manager for the seismic evaluation and seismic retrofit of dozens of water storage reservoirs of all types and configurations. CITY OF SANTA ANA 3 TETRA TECH