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Marc Ina Ure Natural and Built Envimmunnnt <br />March 22, 2017 <br />Mr, Armando Fernandez <br />Senior Engineer <br />CITY OF SANTA ANA <br />Public Works Agency <br />Design Engineering <br />220 S. Daisy Avenue (M -85) <br />Santa Ana, CA 92703 <br />SUBJECT: Proposal for Professional Engineering Design Services <br />Walnut Pump Station Upgrade Project <br />Additional Bidding and Construction Pbase Services <br />Dear Armando: <br />Pursuant to your request, we are submitting this proposal to provide additional services during the <br />bidding and construction phase for the Walnut Pump Station Upgrade Project. <br />SCOPE OF SERVICES <br />This proposal for additional engineering services includes the following scope of work: <br />1. Additional Bid Phase Assistance - Provide additional assistance during the bidding phase of <br />the project. This work included responding to numerous questions from bidders during hid <br />period that was extended several weeks beyond the original bid due date, <br />2. Plan Revisions for Pump and Discharge Header Replacement — At City's request, Psomas <br />prepared revisions to plans to include replacement of all P mtp$, motors, valves, fittings and <br />above ground pilling. Work included preparation of a new construction plan sheet, <br />coordination with City staff and pump manufacturers to determine equipment requirements. <br />3. Asbestos Abatement Monitoring — At City's request, Psomas retained A -Tech Consulting to <br />provide asbestos abatement monitoring during Contractor's demolition of the existing pump <br />station structure. <br />4. Building Permitting- Assistance — Psotnas assisted City Water staff with preparation of a <br />building permit application with City of Santa Ana. <br />S. Revisions to Structural and HVAC Plans — At City's request, Psomas will review proposed <br />modifications to the Sodium HypoeltloritelPOL building to remove interior wall to create a <br />single room. Work included revisions to structural and HVAC plans and <br />associated calculations. <br />6. Revisions to-Electrical and Instrumentation — The City requested a Hutton Centre curve <br />Psomas (and our electrical engineer MPA) add four (4) new control panels store zoo <br />Santa Ana. CA 92707 <br />Te1714.751,7373 <br />Fax 714.545.8889 <br />Ww ,Pconnas.com <br />25G -5 <br />