The URL can be used to link to this page

Home My WebLink AboutWPO201400073 Correspondence 2014-09-05 Max Greene From: Bill Fritz Sent: Friday, September 05, 2014 2:38 PM To: Max Greene; David Benish; Francis MacCall Subject: RE: North and South Rivanna WTP Improvements Short version— No site plan is needed for either project. Long version- The project proposed with WPO 201400069 does not require a site plan. The reason is because there has never been a site plan on this property and the proposed building does not trigger the need for a site plan. The project proposed with WPO 201400073 does not require a site plan. The reason is because there has never been a site plan on this property and the proposed building does not trigger the need for a site plan. CountyView does indicate a site plan was submitted on this property,SDP198500009. I reviewed that file and found two separate letters making it clear that the development proposed did not trigger the need for a site plan. No action was ever taken on the site plan so there is nothing that needs to be amended. Best thing— Great question Max and thanks for bringing it up. William D. Fritz,AICP Chief of Special Projects 434-296-5823 ext. 3242 From: Max Greene Sent: Friday, September 05, 2014 10:37 AM To: David Benish; Bill Fritz; Francis MacCall Subject: North and South Rivanna WTP Improvements Gentlemen, I've 2 water Protection plans for the North and South Rivanna Water Treatment Plant Improvements and was wondering if they are in need of a site plan for these projects. The WPO#5 are WP0201400069 and WP0201400073 on parcels 032E00000001A0 and 045000000068B0 respectively. The y are adding builds and structures to their sites. Thanks, Max Max Greene Albemarle County 401 McIntire rd. Charlottesville,Va.22902 434-296-5832 ext.3283 1 October 2, 2014 W PO201400073 County of Albemarle Department of Community Development 401 McIntire Road Charlottesville, VA 22902-4596 Attn: Max Greene Re: South Rivanna WTP Improvements— W PO201400073 Response to comments Dear Mr. Greene: Please find below response to comments made for the Crozet Water Treatment Plant. Also attached in this submittal are updated drawings, updated stormwater and E&S calculations, and figures. In response to comments made by Albemarle County, Hazen and Sawyer offers the following on behalf of the Rivanna Water and Sewer Authority. D. VSMP: SWPPP and Pollution Prevention Plan Max Greene 1. Permits and forms must be signed by legal representative. Response: This project has yet to go out to bid. Once a contract has been awarded all necessary forms will be signed by the Contractor as the"Construction Activity Operator". E. VSMP: SWPPP: Stormwater Management Plan Max Greene 1. VRRM Worksheet is under review for State compliance. a. State instructions were"Do no change Annual Rainfall (inches)of 43"this VRRM has been altered to show 46 inches annual rainfall. Response: The VRRM spreadsheet has been updated to reflect the requirement of 43" of annual rainfall. F. VSMP: SWPPP: Erosion and Sediment Control Plan Max Greene 1. Perimeter sediment trapping measures are not labeled. The plan does not appear to show adequate protection for the site work. Response: Modified mud traps have been added to the design as a perimeter sediment trapping measure, as shown on C1101. A variance letter has also been included in this submittal along with the variance fee of$150. 2. Please show the critical slopes on the plan per County designations. Response: Albemarle County steep slopes have been shown on the revised Contract Drawings. Proposed disturbance within the preserved slopes region requires submittal of a steep slopes waiver, which has been included with this resubmittal. x Nue NEW 3. Borrow and/or waste areas will require an approved VSMP plan or permits from receiving site. Please have documents updated as required. Response: This language has been added to the erosion control notes on sheet C1101 as well as the erosion control sequence in the proiect's narrative. 4. Responsible land disturber certifications have been replaced with DEQ VSMP Operator Permit. Please have documents updated as required. Response: Specification section 02276 has been revised. 5. County code Chapter 17 has changed and the documents will need to reflect the changes. Response: County code references have been updated in the erosion control notes on sheet C3301,the erosion control narrative and specification section 02276. 6. Please show the"Temporary Paved Construction entrance"detail from the Albemarle County Design Manual. Correct narratives as required. Response: The"Temporary Paved Construction entrance"detail has been added to detail sheet D3 and has been added to the Temporary Stabilization section of the narrative. Two (2)copies of the revised plans, calculations, and narrative have been provided, illustrating the responses above. We trust this information will allow you to complete your review for this application. Please do not hesitate to contact me with any questions or concerns. Sincerely, HAZEN AND SAWYER, P.C. Bret T. Edwards, P.E. Principal Engineer Noe ,ftrate November 19, 2014 W PO201400073 County of Albemarle Department of Community Development 401 McIntire Road Charlottesville, VA 22902-4596 Attn: Max Greene Re: South Rivanna WTP Improvements— W PO201400073 Response to comments Dear Mr. Greene: Please find below response to comments made for the South Rivanna Water Treatment Plant. Also attached in this submittal are updated drawings, updated stormwater and E&S calculations, and figures. In response to comments made by the Albemarle County Department of Community Development in a letter dated November 12, 2014, Hazen and Sawyer offers the following on behalf of the Rivanna Water and Sewer Authority. A. Stormwater Pollution Prevention Plan (SWPPP) Max Greene 1. Please have the owner fill out the required forms for the SWPPP for plan approval. The owner is the Operator until the plan is approved, the"Operator" can be transferred to additional personnel at any time during the duration of the project, see transfer forms in SWPPP. The link to the Albemarle County preferred SWPPP form is: http://www.albemarle.org/upload/images/forms_center/departments/Community_Development/form s/ Engineering_and WPO_Forms/Stormwater_Pollution_Prevention_Plan_SWPPP_template.doc Response: The owner has filled out the required forms for the SWPPP, and the forms have been included within the SWPPP in this submittal. B. Pollution Prevention Plan (PPP) Max Greene 1. Appears adequately addressed at this time. Response: Comment noted. C. Stormwater Management Plan (SWMP) Max Greene 1. VRRM updated spread sheet appears to be for 5.2 acres of disturbance. The VRRM spreadsheet should be for the proposed new construction/disturbed area. The drainage area to the water quality structure appears to be @ 3/of an acre. Please Correct the VRRM Spreadsheet and show the drainage areas on the plan for conformation. Response: The VRRM spreadsheet has been adjusted to the area of disturbance rather than the parcel area. As a result, the stormwater results and design have been adiusted, as shown in the contract drawings and as detailed in the narrative. D. Erosion and Sediment Control Plan (ESCP) Max Greene 1. The Variance for the Modified Mud Traps is approved for this project due to the confined space on site and proximity to the flood plain. Response: Comment noted. Two (2)copies of the revised plans, calculations, and narrative have been provided, illustrating the responses above. We trust this information will allow you to complete your review for this application. Please do not hesitate to contact me with any questions or concerns. Sincerely, HAZEN AND SAWYER, P.C. Corinne E. Wilson, EIT Assistant Engineer