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HomeMy WebLinkAboutWPO200900024 Review Comments Erosion Control Plan 2009-07-08� OF AL ,. vIRGI1`IZP COUNTY OF ALBEMARLE Department of Community Development 401 McIntire Road Charlottesville, Virginia 22902 -4596 Phone (434) 296 -5832 Fax (434) 972 -4126 Project: Red Lobster @ Fashion Square [SDP- 2009 - 00043, WPO- 2009 - 00024] Plan preparer: Hussey, Gay, Bell, & DeYoung Inc. Owner: Shopping Center Associates c/o Simon DeBartollo Group Developer: Darden Restaurant, Inc. Plan received date: 22 May 2009 (Rev. 1) 29 June 2009 Date of comments: 12 June 2009 (Rev. 1) 8 July 2009 Reviewer: Phil Custer The site and ESC plans for the Red Lobster at Fashion Square Mall, received on 29 June 2009, have been reviewed. A full engineering review of the site was performed due to the completeness of the plan set. A. Final Site Plan [SDP- 2009 - 00043] 1. Not all critical slopes are shaded on the existing conditions sheet. It appears that critical slopes are disturbed with this plan. If these slopes were created with a previously approved site plan, the slope disturbance can be waived administratively by the lead planner. If a previously approved plan cannot be found showing the creation of the disturbed slope, the waiver will have to be given by the Planning Commission. Regardless, please provide a letter requesting this waiver referring to all requirements detailed in Section 18 -4.2.5 of the Zoning Ordinance. The original site plan for Fashion Square Mall is SDP -125. The final site plan for the Shoppes at Wachovia is SDP -2006- 00066. (Rev. 1) The critical slope waiver request has been received. Engineering review has no objection to the approval of this waiver. 2. A plat must be recorded before this site plan can be approved. The plat should include at least the following: drainage easement for the pipe through the property, the private sanitary sewer easement onto TMP 61 -122A, the public water easement, and a site and grading easement for the parking and travelways on TMP 61 -132 (a boundary line adjustment would also suffice). The width of the drainage easement must be calculated using the equation in the review checklist and centered over the pipe. (Rev. 1) Water and sewer easements will be handled by the review of the Albemarle County Service Authority. Current development will review the agreements between the outparcel and the Fashion Square Mall property when they are submitted. Engineering recommends that the site plan is designed with a ]Oft Reserved ROW area along Rio Rd. as requested by VDOT. 3. Though the grading indicates otherwise, there does not appear to be a curb for the sidewalk around the building. Please graphically show and label a curb in this area. Otherwise, please request a waiver of the curbing in a letter addressed to the County Zoning Administrator. The only area where a waiver would not be required is adjacent to handicap parking spaces. (Rev. 1) Comment has been addressed. 4. Please adjust the grading in the loading space so that it is no steeper than 5%. (Rev. 1) Comment has been addressed. 5. Please provide stop signs and bars at the cross intersection in the lower left corner of the site plan. Albemarle County Community Development Engineering Review Comments Page 2 of 2 The stop signs and bars should be located on the approaches from the left and right. (Rev. 1) Comment has been addressed. 6. Please install a sidewalk along Rio Road from the entrance to the Shoppes at Wachovia to existing walk on the east side of the mall entrance. A crosswalk and pedestrian signals will also be required across the mall entrance to make the connection safe. Please show all necessary sidewalks, crosswalks, signals, and signage on the next submittal. [18- 32.7.2.8] (Rev. 1) A sidewalk has been provided as requested. However, improvements have not been proposed to upgrade the mall entrance intersection so that it could be better used by pedestrians. This intersection is a significant pedestrian safety hazard and engineering review recommends that it be addressed with this plan. Although, engineering review fully recognizes that there is nothing within state or local law that allows for the absence of these improvements on the plan to delay any county approvals or permits. 7. Please provide a traffic generation and distribution summary table. (Rev. 1) Comment has been addressed. 8. Please provide VDOT standard inlet shaping (IS -1) on inlet #1. (Rev. 1) Comment has been addressed. 9. Please provide spread computations on the curb line approaching the existing inlet. (Rev. 1) Comment has been addressed. B. Stormwater Management Plan [WPO- 2009 - 00024] 1. The impervious area on site is being reduced from 85% to 69% with this plan. Because of this, no stormwater management (quantity or quality) will be required. C. Erosion and Sediment Control Plan [WPO- 2009 - 00024] 1. The Erosion and Sediment control plan needs a phase II portion showing all final grades, structures, and hardscapes. (Rev. 1) Please show all necessary ESC measures on Phase H portion of the plan (silt fence, safety fence, inlet protection, construction entrance, permanent seeding, etc.). 2. The concept for the ESC plan shown is not acceptable. Since roughly the entire site drains to the existing DI -3C, inlet protection shown here should be sufficient. Since the drainage area to this inlet is likely between 1.5 and 1.75 acres a variance from the program authority will be required. The program authority will approve this variation if the applicant provides a sump in front of the inlet for settling, like the sediment trap inlet protection described on page 111 -37, in addition to the block and gravel protection. (Rev. 1) Comment has been addressed. The inspector will give the contractor flexibility in the field regarding the size of the trap. 3. The silt fence in the middle of the site adjacent to the construction entrance should be removed. Instead, a paved diversion should be added across the mouth of the entrance to direct all runoff to the sediment trap inlet protection on the existing DI -3C. (Rev. 1) Comment has been addressed. The inspector will give the contractor flexibility in how to direct water across the entrance into the sediment trap. 4. (Rev. 1) Comment has been addressed. 5. (Rev. 1) Comment has been addressed. 6. (Rev. 1) Comment has been addressed. 7. (Rev. 1) Comment has been addressed. 8. The ESC portion of the WPO bond will be calculated at the time of plan approval. (Rev. 1) The ESC bond has been computed to be $19,900.