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HomeMy WebLinkAboutWPO200900066 Review Comments Erosion Control Plan 2010-06-09OF 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: Rev 1: Rev 2: Date of comments: Rev 1: Rev 2: Reviewer: A. Final Site Plan Camelot Pump Station [SDP200900096, WP0200900066] Charles Luck, P.E. [cluck @wrallp.com] HMC Holdings LLC 24 November 2009 1 March 2010 9 June 2010 23 December 2009 19 March 2010 9 June 2010 John P. Diez — Engineering Technician 1. Please provide a benchmark location, elevation, and datum for topography. An existing utility or other known position will suffice. (Rev. I) Comment has been addressed. 2. Please provide FEMA map and date references labeled for FEMA floodplains. (Rev. I) Comment has been addressed. 3. All slopes 25% and over (critical slopes by County Zoning Ordinance) must be shaded. [18- 32.6.6] Critical slope disturbance will be considered exempt per 18- 4.2.6c unless the unnecessary construction entrance south of the new appurtenances are to remain. (Rev. I) Comment has been addressed. Applicant has requested a review for a critical slopes waiver. SDP -025 & SDP -026 are the approved plans that show the critical slopes as man -made. 4. Proposed slopes steeper than 3:1 must have low maintenance (not grass) ground cover specified on the plan. Examples of acceptable groundcovers can be found in Table 3.37C of the VESCH. (Rev. I) Comment has been addressed. 5. Please provide all offsite temporary and permanent easements necessary to construct the site as proposed. Temporary easements (for construction) can be in the form of letters or emails from the property owner. To assist county review in determining where all easements are needed, please show existing easement lines on the plans with references to deed book and page numbers. (Rev. I) Comment has been addressed. B. Erosion and Sediment Control Plan 1. Please include the inlet protection in the limits of disturbance. (Rev. I) Comment has been addressed. 2. Please provide dust control (DC). (Rev. I) Comment has been addressed. Albemarle County Community Development Engineering Review Comments Page 2 of 2 3. Please provide a construction entrance to the offsite portion of the site on the West side of US -29. (Rev. 1) Comment has been addressed. However, engineering recommends that the construction entrance be moved to Camelot Drive. The construction entrance's dimensions must meet the minimum requirements of 12'X72'. (Rev. 2) Comment has been addressed. 4. Please remove the construction entrance south of the proposed site. (Rev. I) Please disregard comment. Disturbance of critical slopes has been approved by planning. 5. Clean water diversions are not a state standard. Engineering recommends riprap or sod V- ditch. (Rev. 1) Comment has been addressed. 6. Please remove the silt fence outlet protections. Engineering recommends installing the silt fence parallel to the contours. (Rev. 1) Comment has been addressed. 7. Silt fence must be placed parallel to contour lines wherever possible. For instance, east of the larger WWTP basin, at least 100ft of silt fence can be provided along a contour line. (Rev. 1) Comment has been addressed. 8. All diversions should be removed from the plan. In their place, please provide silt fence parallel to contour line wherever possible. (Rev. 1) Comment has been addressed. 9. Additional comments may be required based on enforcement of adjacent parcel earthwork currently underway. The Erosion & Sediment Control Plan (WPO200900066) submitted 9 June 2010 have received Engineering Review and meet Albemarle County minimum checklist items for approval. The E &SC bond amount is $27,800. The forms and instructions to post the Water Protection Ordinance Bond can be found on the Community Development Department Web site on www.albemarle.oriz. A completed copy of the Standard Stormwater Maintenance Agreement and fee for recordation for the stormwater facilities is required prior to final approval. [17-304E] The forms and instructions can be found on the Community Development Department Web site on www.albemarle.or ,-. You may contact Ana Kilmer (Albemarle County Department of Community Development) at ext. 3246 for further information on bonding procedures and Maintenance Agreements. Once the E &SC has been posted, you may contact the Department of Community Development to arrange a pre - construction meeting with a County Erosion & Sediment Control Inspector. Should the County Inspector find the limits of disturbance increased or the need for additional control measures required to protect the site, additional fees will be required. \\ Cob- dts01 \cityviewlnk\Docs \2009 \SDP \SDP200900096 Camelot Pump Station - Final \CDE3_fsp_esc_JPD_Camelot Pump Station.doc