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Chandler Martin -2- COMMENTS ON DEVELOPMENTS PA-05-329 (SU) REQUIREMENTS: 1. Part of the project area is located within a Federal Emergency Management Agency's(FEMA's) Designated Flood Hazard area(100-Year Floodplain), where base flood elevations are not determined. Therefore,prior to approval of the Tentative Map, a flood study shall be conducted by a registered civil engineer and submitted to the San Joaquin County Department of Public Works for review, which defines the limits of flooding and the 100-Year Base Flood Elevations for the unnamed creek. The report shall detail measures which must be taken to protect the parcels from flooding from the unnamed creek. (Development Title Section 9-1605.14) 2. Applicant shall conduct a study and prepare a storm water management plan demonstrating how off-site storm flows entering the project and on-site drainage will be managed to ensure that this project does not cause an increase in upstream or down stream water levels. The San Joaquin County's Interim Flood Hazard Reduction Policy shall apply to this Major Subdivision. Post-development discharge to the unnamed creek shall be attenuated to be at or below pre-development levels. After completion of the above requirements, the following conditions shall apply: RECOMMENDATIONS: 1. All improvements shall be in conformance with the current Improvement Standards and Specifications of the County of San Joaquin. All improvement plans and specifications shall include grading plan for each individual lot,if applicable. These improvement plans and specifications are subject to plan check, field inspection fees and must be approved by the County of San Joaquin Department of Public Works prior to recording the Final Map. (Development Title Section 9-240, Section 9-910, Section 9-1100 and R-92-814) 2. If improvements referred to herein will not be completed prior to recording the Final Map, the subdivider shall execute an agreement with the County of San Joaquin ensuring the completion of improvements within one(1)year after recording the Final Map. (Development Title Section 9-1100.3[]]) 3. A Preliminary Soils Report is required in accordance with the County Standards for the purpose of determining the R-Value for the design of the road. (Development Title Section 9-910.2) 4. A grading plan shall be submitted as a part of the improvement plans and approved prior to approval of the Final Map. The grading plan shall contain the information listed in the California Building Code(CBC), Appendix, Chapter 33, Section 3309,complete drainage details and elevations of adjacent parcels. Retaining wall details shall be submitted where applicable. Grading in excess of 5,000 cubic yards shall comply with Sections 3309.3 and 3309.4 for"Engineered Grading Requirements." (Grading that disturbs more than one (1)acre will require a National Pollutant Discharge Elimination System permit.) 5. All traffic signs and markings shall conform to the Manual on Uniform Traffic Control Devices,CalTrans Traffic Manual and/or San Joaquin County Standards and shall be shown on the improvement plans. (Development Title Section 9-1150.2)