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PROJECT APPROACH Our basic approach to the design services will be to provide the City with an experienced, knowledgeable and enthusiastic staff dedicated to providing the level of service the City desires. Tetra Tech is committing our top senior manager and staff to this assignment in order to ensure that this is accomplished. Our Project Management Team will be able to recognize and anticipate problems and be able to come to the City with options and solutions in a thusly manner. Tetra Tech's experience in design and engineering services covers all facilities in the water, recycled water, and sewer systems including: • Pipelines anel force mains • Sewer Relining or Rehabilitation • Reservoirs • Pump, Lift and Flow Control Stations • YVater Quality and Disinfection Facilities • Recycled Water Retrofits • Building Renovations • Structural Seismic Retrofits • Planning /Engirseerirrg ,Siitdies Our recent project experience in these areas is described in a previous section. To keep the City aware of the status or the project, we will schedule and administrate design meetings and prepare monthly progress reports as appropriate for the assignment. The following are typical Ivey issues which we believe must be addressed to successfully complete design services: • Aleetingschedule • Coordination with the City and reviewing and pervnitting agencies • Utility coordination and cori/liel resolution • Potholing of conflicting 1161ides • Accounting far iraffic control during alignment selection • Anabzing alignment alternatives • Providing constructionphasingifnecessary • Identtfying options for pipeline rehahililation • Hydraulic calcUdcnions • Temporary bypass piping#bedi lies • Facility layout • Operator safety and maintenance friendly • Slrucluee aesthetics match surrounding neighborhood The following summarizes the services we envision that will be required to be performed during the execution of the sample project. In preparation for this project, we have reviewed. the "Typical Scope of Work" (Exhibit A) contained in your Request for Proposal. We have found the scope of work presented it, the RFP to be comprehensive and due to the proposal space limitations, we have included herein only items of the scope with which we have comments on, additions to and /or want to expand. The project consists of designing approximately 3,200 linear feet of 8 -inch diatneter PVC (C -900) water main and 4,100 linear feet of 8 -inch diameter PVC (SDR -26) sewer main improvements SCOPE OF WORK TashNo. I Preliminary Design 1. General Administration and Meetings Tetra Tech and the City of Santa. Ana will meet four (4) times alter the kickoff moethig (Basis of Design Memo, 50 %, 90% and 100 %) during the design phase of the project. 4, Potholing A. Verify location of utilities baser) on USA information obtained andjob walk, B. Review USA markings completed by geotechnical investigation and potholing. C. Identify critical utilities which are recommended to be potholed. D, Tetra Tech will prepare a memorandum summarizing the pothole recommendations for the City review and approval. E, Provide potholing in the field of up to five (5) utilities for the sewer main, similar to what was done for the Westminster Avenue Sewer .Improvements. Please note that during the Westtntinstev Avenue project, the potholes were ultimately performed by City forces. We do not recommend potholing for this size water main and typically recouunend potholing when constructing large pre - fabricated nemra�taimn�c�ove•ommtvrnswvsoia� wrai2.as,o„cnnss�e - 13- TETRA TECH 25C -44