2024-06-28 PL-INT-2024-008112 Tetra Tech, Inc. Category PL.4

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Explain firm's individual project assignment,project management structure,project execution(workflow and responsibilities)and quality control process.In the event the spaces provided on this form are not sufficient for entries,or if you wish to furnish additional information,it may be inserted here or on separate sheets,with appropriate references. Tetra Tech,Inc.(Tetra Tech)is a leading provider of management consulting and technical services,design and engineering, and program and construction management services worldwide.including community and environmental planning and ENR Tetra Tech permitting,engineering,natural and cultural resource management,post-disaster economic recovery management,risk E,g;neenngMows-Record Rankings assessment,and emergency management and community resilience.The company was founded in 1966 and became a publicly traded company(NASDAQ-TTEK)in 1991.Tetra Tech is incorporated in the State of Delaware,and its Federal 1 Water Treatment/Desai Employer Identification Number(FEIN)is 95-4148514.The firm has annual revenues of nearly$4.5 billion and employs 1 Environmental Management 27,000 personnel in 550 offices worldwide,with an average personnel count company-wide of more than 28,000 employees 1 Hydro Plants during each of the past 5 years. 1 Wind Power 2 Water Supply Tetra Tech has maintained a continuous office presence in Hawaii since 1990 and has compiled an extensive portfolio of 3 Topsoil Design Firms local project experience assisting key decision makers with complex project and programmatic needs.The firm has maintained a field office located in Hilo,Hawaii since 2019. Tetra Tech's past performance record on contracts for federal and state agencies provides us with the experience to make efficient use of all resources to maintain the quality of work,control cost,and provide timely performance to meet schedules.Tetra Tech is proud of our record of repeat business from loyal clients who appreciate our work ethic,productive collaboration,and high-quality deliverables. Our complete current active project list is too extensive to provide,as Tetra Tech is currently working on hundreds of diverse projects across the United States and internationally.Similarly,we have provided a sampling of key personnel illustrating our capability and capacity to accomplish any project scope.Our planning team is supported by an extremely'deep bench'of professionals across the country who can provide appropriate support to the Hawaii office.Tetra Tech staffs each project based upon the specific scope and requirements and has the personnel to accomplish nearly any objectives our clients identify. As of this date June 30,2024,the foregoing is a true statement of facts. NAME OF FIRM OR INDIVIDUAL SUBMITTING QUESTIONNAIRE TYPE NAME AND TITLE OF PERSON SIGNING SIGNATURE Tetra Tech,Inc. Eric M.Jensen,CHMM Operations Manager AA xsrs NOTE:It is to a firm's advantage to maintain its experience record on a current basis. This may be accomplished by periodically forwarding current data to DAGS.