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PROPOSAL <br />Task 4 001"tablO <br />ON-CALL ENGiNEERING sERvicES I <br />REIN NO,: 97-083 <br />City or Santa Ana <br />• Utility mapping shown on the basemapping <br />• Certified gist of'Willies pet` USA <br />• Uglily Company Correspondence Letters ("ABC' Letters) <br />• Pothole Data (20) <br />Task S, Geotechnieai Investigation <br />As required for the development of the final.desigh plans, Mark Thomas' suboonsuitent, Diaz Yourman, <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 tate <br />background review, the Geotechnical scope Includes: <br />• Fr'e: field .activities <br />• Field explorations <br />• Labohdorytesting <br />• Geotechnical Analysis and Report Preparation. <br />Task 5 DeNverables; <br />Final Geotechnical 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 Pian (WQMP) for the proposed roadway in <br />accordance with thit Santa Ana Regiorial Water Quality control Board (Order- No. R9-2O6mb3p/NPDBS No, <br />CAS618030). Mark Thomas will incorporate Low Impact Development Best Management Practices to the <br />maximum extent practicable, for example the use:of simiter existing infiltration facilities used elsewhere 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 />•Managing Wet Weather with Green infrastructure: Green Streets" will be used to satisfy the compliance <br />requirements for this priority project. <br />Task 6 Deliverables: <br />• Draft and Final Water Quality Management Plans <br />• Inclusion of chosen BMP's within the Construction documents. <br />Task T, Hydrology/Hydraulic Analyses and Report <br />Mark Thomas wilt conduct hydrology analysis of the proposed roadway surface and hydraulic analysis of the <br />existing In order to verify the recommended storm drain upgrades as part of the City's Master Drainage Plan <br />(2077). The new roadway tributary areas will be analyzed In accordance with City and County of Orange <br />Hydrology manual for a 50 year storm event. The results from the hydrology analysis will be used to identify <br />additional Inlets and other necessary improvements. <br />Task 7 Deliverables <br />• Draft and Final Hydrology/Hydraulk; Analyses Report <br />25E-635 <br />