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HomeMy WebLinkAboutWPO201000042 Review Comments Erosion Control Plan 2010-08-04OF AL O ,. vIRGI1`IZP COUNTY OF ALBEMARLE Department of Community Development 401 McIntire Road, Room 227 Charlottesville, Virginia 22902 -4596 Phone (434) 296 -5832 Fax (434) 972 -4126 Project: Plan preparer: Owner /Applicant: Plan received date: Date of comments: Reviewer: Pippin Hill Farm Vineyard - WPO [WP0201000042] Scott Collins [scott @ collins- engineering.com] Edge Valley Preservation LLC c/o Mike Hahaj 12 July 2010 4 August 2010 John P. Diez — Engineering Technician A. Stormwater Management Plan 1. Please provide a completed copy of the standard stormwater maintenance agreement and fee for recordation for any stormwater management facilities. 2. It appears that runoff will escape via the ditch north of the proposed septic area. Engineering recommends two options to help capture the runoff from the proposed parking area: - Provide a ditch extending toward the north and above (or below) the protected tree to help capture the proposed runoff from the proposed parking area. (or) - Make the diversion dike west of the parking lot a permanent channel to help direct the runoff to the biofilter. 3. Please provide a cross slope on the north side of the proposed travelway to assure that the runoff is captured and directed to the proposed biofilter. C. Erosion and Sediment Control Plan 4. Please extend diversion dikes east from the south side of the property. 5. Please show all stream buffers. 6. The diameter for the dewatering orifice appears to be too large. Our calculations show that a 6" orifice is needed. Please provide calculations for the orifice for clarification. 7. There seems to be discrepancies between this plan and the approved E &S plans for the Bundoran Farm road plans (WP0200600092). The discharge from the Sediment Basin for Pippin Farm does not coincide with the proposed culvert next to the sediment trap for Country Fair Lane on the Bundoran Farm plans. Engineering assume that the portion of Country Fair Lane (where the proposed entrance to Pippin Farm will be) will be completed with the Country Fair Lane culvert in place. Therefore, these plans should coincide with the Bundoran Farm road plans. Once these comments have been addressed, please submit 2 copies of the revised plans, calculations, and narratives to Current Development Engineering. Current Development Engineering is available from 2:30 -4 PM on Thursdays to discuss these review comments. Please contact John Diez at 434 - 296 -5832 ext. 3025 or email jdiez @albemarle.org to schedule an appointment. \\ Cob- dts01 \cityviewlnk\Docs \2010 \WPO \WPO2010000042 - Pippin Hill Farm Vineyard \CDE1_esc_swm_JPD_Pippin Hill Albemarle County Community Development Engineering Review Comments Page 2 of 2 Farm Vineyard.doc