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0 AE CONSTRUCTION SFR <br />Element # 9: Control Pollutants <br />All pollutants from construction vehicles will be contained and disposed of in the <br />approved manner consistent with state environmental policies. Any vehicle maintenance <br />will be performed by authorized mechanics using drip pans and waste containment <br />vessels. All pollutants will be disposed offsite at approved facilities. <br />Element # 10: Control De -Watering <br />De -watering of the site is not expected. If dewatering of the site is needed, all <br />groundwater removed shall be retained and recharged into the ground after de -watering <br />has been finalized. <br />Element # 11: Maintain BMPs <br />All Temporary Erosion and Sedimentation Control (TESL) devices and equipment will <br />be inspected and maintained on a weekly basis if not sooner, based on storm events <br />contributing to runoff. When construction is complete and the site is stabilized, any <br />existing sediment will be removed and stabilized onsite. <br />Element # 12: Manage the Project <br />A general construction manager will manage the project for or by the owners. The <br />construction manager shall maintain all of the above items in order to minimize sediment <br />transport and turbid water leaving the site. His job will entail continual observation of <br />the grading operations to ensure minimal effects to adjacent properties and offsite <br />waterways. <br />Element # 13: Protect On -Site Stormwater Management BMPs <br />Stormwater management mainly consists of dispersion and soil amendment BMPs. <br />Dispersion flow paths and soil amendment areas will be protected from siltation and <br />compaction when feasible. <br />Minimal Requirement # 3: Water Pollution Source Control <br />All proposed development is to consist of residential construction. No water pollution <br />source control is needed. <br />Minimum Requirement # 4: Preservation of Natural Drainage Systems and <br />Outfalls, and provisions of off -site mitigation <br />No changes to the existing drainage systems and outfalls are proposed with this <br />development. All proposed runoff from the project area is to sheet flow to the east <br />through vegetated areas. <br />Minimum Requirement #5 On -Site Storm Water Management <br />Due to the project proposing less than 5,000 sf of new hard surfaces, Minimum <br />Requirements 1 through 5 must be evaluated. As such, the project shall use List #1 to <br />evaluate on -site stormwater management BMP feasibility. <br />WESTERN ENGINEERS, INC. 15 PROJECT: 19-1821-A <br />