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DRAINAGE REPORT <br />Miller Residence Drain <br />June 2023 <br />• The construction project is being phased to the extent practicable in order to prevent soil <br />erosion, and, to the maximum extent possible, the transport of sediment from the site during <br />construction. <br />Coordination with Utilities and Other Jurisdictions <br />• All BMPs shall be inspected, maintained, and repaired as needed to assure continued <br />performance of their intended function. Site inspections shall be conducted by a person who is <br />knowledgeable in the principles and practices of erosion and sediment control. This person has <br />the necessary skills to: <br />■ Assess the site conditions and construction activities that could impact the quality of <br />stormwater, and <br />■ Assess the effectiveness of erosion and sediment control measures used to control the <br />quality of stormwater discharges. <br />• A Certified Erosion and Sediment Control Lead shall be on -site or on -call at all times. <br />Maintaining an Updated Construction SWPPP <br />• This SWPPP shall be retained on -site or within reasonable access to the site. <br />• The SWPPP shall be modified whenever there is a change in the design, construction, operation, <br />or maintenance at the construction site that has, or could have, a significant effect on the <br />discharge of pollutants to waters of the state. <br />• The SWPPP shall be modified if, during inspections or investigations conducted by the <br />owner/operator, or the applicable local or state regulatory authority, it is determined that the <br />SWPPP is ineffective in eliminating or significantly minimizing pollutants in stormwater <br />discharges from the site. The SWPPP shall be modified as necessary to include additional or <br />modified BMPs designed to correct problems identified. Revisions to the SWPPP shall be <br />completed within seven (7) days following inspection. <br />ELEMENT NO. 13 — PROTECT ON -SITE STORMWATER BMPS FOR RUNOFF FROM ROOFS AND OTHER HARD <br />SURFACES <br />All low impact development BMPs shall be maintained and repaired as needed to assure continued <br />performance of their intended function. Maintenance and repair shall be conducted in accordance with <br />each particular BMP's specifications. The maintenance procedures are outlined in APPENDIX G. The <br />following specific BMPs may be used to protect slopes for this project: <br />• Storm Drain Inlet Protection (BMP C102) <br />• Silt Fence (BMP C233) <br />DCG/Watershed <br />20230616 Miller Drainage Report FINAL Page 10 <br />