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PROPOSAL <br />Task 4 001"tablO& <br />ON -CALL ENGINEERING srRvicEs <br />RFP NO,: 17-083 <br />cityorSantaAna <br />- Utility mapping shown on the basernapping <br />, Certified List of ' Willies per USA <br />% Uglily Company Oom"pondonce Letters rAW Letters) <br />- Pothole Date (20) <br />Task 5, Geotsohnicall Investilgfition <br />As required for the development of the final.desigh plans, Mark Thomas'suboonsultent, Diaz Y0urman, <br />will review available information.partinent to the site and collect subsurface Information In order to develop <br />recommendations for the design and construction of the proposed Improvements. In addition to the <br />background review; the Geotechnical scope Includes: <br />Field explorations <br />Labohdory testing <br />GeotechniGal Analysis and Report Preparation. <br />Task 5 Defiverables� <br />Final Gootechnical Report with pavement, wall design recommendations. Soll Infiltration rates. <br />Boring togs <br />Task 6. Water Quality Management Plan <br />.Mark Thomas will prepare a Water Quality Management Plan (WQMP) for the proposed roodway In <br />accordance with ft Santa Ang'Reglorial Water 06ality crintroi Board (Order- ko. k6-2a6mb3o/NPDES No, <br />CAS61 8030). Mark Thomas will incorporate Low Impact Development Best Management Practices to the <br />maximum extent practicable, for example the useof simiter existing infiltration facilities used alsewhem In <br />the City to maintain the aesthetics of recently constructed improvements within the project limb and where <br />feasible per site specific conditions, The United States Environmental Protection Agency (USEPA) document <br />4141snagIng Wet Weather with Green infrastructure: Green StreeW will be used to satisfy the compliarice <br />requirements for this priority project. <br />Task 6 Valiverablow <br />• Draft and Final Water Quality Management Plans <br />• Inclusion of chosen BMP`s within the Construction documents. <br />Task 7. Hydrology/Hydraulic Analyses and Report <br />Mark Thomas wilt conduct hydrology analysis of the proposed roadway surface end hydraulic analysis of the <br />existing In order to verily the recommended storm drain upgrades as part of the City's Master Drainage Plan <br />(2017)� The new roadway tributary areas will be analyzed In accordance with City and County of Orange <br />Hydrology manual for a 60 year storm event. The resub from the hydrology analysis Will be used to identify <br />additional Inlets and other necessary improvements. <br />Task 7 Deliverable$ <br /># Draft and Final Hydrologyll-lydraulk; Analyses Report <br />25E-635 <br />