Item 19 - Agreements for On-Call Engineering Services

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PROPOSAL POP On -Call Engineering Design Services PROJECT APPROACH Project Management PFAS Treatment Systems Tetra Tech fully understands the importance of this project to the City. Our team has therefore developed a plan and a system that can complete a group of projects in the most expeditious manner possible, We have dedicated over 35 staff members (90% of which are local) to work on this project. They will be grouped into two teams which will each have a leader along with six other key staff members from various disciplines (civil, processlmechanica1, structural, electrical, I&C, water quality, and 3D CADD) under the direction of our Project Manager, Steve Tedesco, PE, This approach will allow our team to work on multiple sites at the same time. Each team will also be assisted, from a pool of 20 additional staff members, to provide both technical and production assistance. Members of the pool will work on certain specifications, details, and control descriptions that are common to both teams. Our Project Manager, Steve Tedesco, will meet weekly with the City to review progress and resolve any issues. At these meetings, our team will roll out the latest plans, review the design, and solicit input, In this manner we expect to have most issues resolved before our submittals, allowing for review periods to be shortened to one to two weeks per submittal. Tetra Tech will develop and maintain a Project Management Plan (PMP) to ensure successful execution of the project. The draft PMP will be submitted within 10 days of project award, and Lite final PMP will be submitted within five days of receiving the City's draft comments. The purpose of the PMP is to clearly define Tetra Tech's approach, personnel, resources, project schedule, and milestones in executing and managing scope, schedule, cost, and to comply with the requirements of the project. We propose a concise document organized as follows: • Project Management Organization ■ Key Personnel Roles and Responsibilities ■ Project Scope, Work Breakdown Structure (WBS), and Technical Approach that defines activities and milestones ■ Detailed Activity -Based Schedule (organized consistently with the WBS) ■ A plan to keep the City up to date on the project Technical Approach We are very familiar with the City's water wells, reservoirs and distribution from our many years of service. Our team will obtain and review all relevant information on the proposed treatment sites so we can determine the best way to treat all affected wells and cost effectively get the treated water distribution system. As we work on each treatment system the first thing, we will do is confirm available information and provide a design criteria document that is site specific to each well. Pre -purchasing vessels for the project can be a significant time savings for the projects. It is critical that our design teams incorporate the pre -purchased vessels correctly into our construction bid packages. Tetra Tech has done this in the past on several IX projects. In order to take full advantage of the time saved through pre -purchased vessels, we recommend the following; ■ Design the concrete slab as a single mat foundation to hold all vessels, piping, pipe racks, drain system, and conduits. ■ Design the slab with no pipe or conduit penetrations. This will allow slab work to begin as soon as the contract is approved. ■ Design late proof packets to allow ease of installation of vessels and anchor bolts. No matter how good the vessel quality control is, it is impossible for all bolt locations to be exact in the field, TETRA TECH Page 17