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ON -CALL ENGINEEAING SERVICES <br />UNDERSTANDING OF NEED <br />Introduction and Background <br />The Oily intends to retalh Civil EndineerIngi Consultants on all as -heeded or i1oh-call" basts. On <br />an. on -call, as -needed basis, the selected consultants may later be asked to provide <br />professional Engineering services proposals on specific, project -by -project basis, based on an <br />agreed.upon specific scope of services and fees, The consultant shelf be able to assist the City <br />through this -contract to provide the necessary engineering servico& The consultant,shttil utilize <br />In-house staff and/or subconsultants to complete the assignments to moot the City standards, <br />For specialized work4of which the prime consultant shall require a subconsultant, the prime <br />Consultant shelf SOM as on administrative Ifallson between the City and the ppboonsultant. <br />Prime consultant mark�ups for subconsultant Work MA "18—silLOWA. Tetra Tech is <br />submitting out proposA for Water Resources — Option A project% <br />Scope of Sarvlcss� Water Resources —0ption A <br />The City Is sookino proposals for the dosldr�ohd construction support services forthe Santa <br />Ana Water Project,'The Water Project Includes the rehabilitation of an exisling water well <br />approximately 30 years old, and the design of 1,500 feet of 12-inah PVC Water main And 600 <br />foot of 164nah sewer main within an advelal street. The City is looking for recommendatlorf <br />regarding the pipe material for the sewer main Improvements. Currently, the Well Is connected <br />to an existing onsito reservoir. However, the City desire$ to have tholwell pump directly to the <br />Citys distribution system. This well it a sand producer, and currently the oapdolty has dropped <br />by-36% of its maximu'rh yield -of 9;000 gpm. The depth of the Well Is approximately 1, 100. test; It <br />has a vertical turbine pump with a.250 fip motor, In addition, the screens are made of mild <br />ateel. No video or any other preventive maintenance has been done In the past I , 5 years. The <br />City Is looking for the options for rehabilitation and potential benefits of each option. <br />Tetra Tech fully understands your project. We are offering an outstanding team, which combines <br />the experience, depth, and Understanding needed for the successful delivery of this project. Our <br />core principles establish how we plan to work together with the City to complete this project: <br />$ervioe. Tetra Tech puts Its clients first, WePstan to and better understand our Clients' <br />needs and dellver,cost-effootive solutions that meet those needs, Our philosophy Is to "Do It <br />Right." <br />Value., Tetra Tech takes on our clionts'problems as It they were our own. We develop and <br />implement real -world solutions that are cost-effective, efficient, and practical. <br />Excellence, Tetra Tech brings supedor technical capability, disciplined project <br />management, and excellence In safety and quality to all of our work. <br />Opportunity. Our people are our number one asset. Our workforce Is diverse and Includes <br />leading experts In our flolds. Our entrepreneurial nature and commitment. to success <br />provides challenges and opportunities. <br />Tetra Tech Is committed to providing the City with the high quality service. you expect and <br />deserve. Our strength ties In our provon track record that has led to successful completion of <br />multi -projects for the City, as well as other nearby agencies. <br />City0fSantaAna .7- TETRA TECH <br />25E-1 72 <br />