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ON-CALL ENe1NEEAING SERVICES <br />WNmneaarce"-Opibrtp '� <br />UNDERSTANDING OF NEED <br />introduction and Background <br />The City intends to retain Civil Engineering Consultants on all as -heeded or "oh -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 shall be able to assist the City <br />throughthis-contract to provide the necessary engineering; services. The consultant shall utilize <br />In-house staff and/or subconsultants to complete the assignments to moot the City standards. <br />For specialized work fof which the prime consultant shall require a subconsultant, the prime <br />consultant shall SOM as on administrative Ifalspn between the City and the suboonsultant. <br />Prime consultant mark»ups for subcohsuitant work MApt bs alLOWA, Tetra Tech is <br />submitting our proposal for Water Resources — option A project% <br />Scope of aerviess: Water Resources - 0ption A. <br />The City is seeking proposals for the desidrrand construction support services for the Santa <br />Ana Water Project,'The Water Project Includes the rehabilitation of an existing water well <br />approximately 30 years old" and the design of 1,500 feet of 12•Ineh PVC Watermain and 600 <br />foot of 164nch sewer main within an arterial street. The City is looking for recommendatlon <br />regarding the pipe materiel for the sewer main Improvements. Currently, the well is connected <br />to an existing onsite reservoir. However, the City desires to have tho well pump directly to the <br />City's distribution system. This well Is a sand producer, and currently the oapaoity has dropped <br />by 36% of its maximum yield of 2,000 gpm. The depth of the well is approximately 1, 100. test; It <br />has a vertical turbine pump with a.250 hp motor. In addition, the screens are made of mild <br />steel. No video or any other preventive maintenance has been done in the past 16 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 principlesestablish how we plan to work together with the City to complete this project; <br />Servioer Tetra Tech puts Its .clients first. We Psten to and better understand our Clients' <br />needs and deilvercost-effective solutions that meet those needs, Our philosophy is to "Do It <br />Right." <br />r Value. Tetra Tech takes on our clients' problems as If they were our own. We develop and <br />implement real-world solutions that are cost-effective, efficient, and practical. <br />Excellence, Tetra Tech brings superior 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 fields. 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 proven track record that has led to successful completion of <br />multi -projects for the City, as well as other nearby agencies. <br />CityofSanta Ana •7 • TETRA TECH <br />25E-172 <br />