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HomeMy WebLinkAboutWPO201600007 Review Comments WPO VSMP 2016-02-23COUNTY OF ALBEMARLE Department of Community Development 401 McIntire Road, Room 227 Charlottesville, Virginia 22902-4596 Phone (434) 296-5832 Fax (434) 972-4126 Project title: Project file number: Plan preparer: Owner or rep.: Plan received date: Date of comments: Reviewer: VSMP Permit Plan Review Inglewood Terrace WPO -2016-00007 Shimp Engineering Brian Gillispie 1 February 2016 22 February 2016 Matt Wentland County Code section 17-410 and Virginia Code §62.1-44.15:34 requires the VSMP authority to act on any VSMP permit by issuing a project approval or denial. This project is denied. The rationale is given in the comments below. The application may be resubmitted for approval if all of the items below are satisfactorily addressed. The VSMP application content requirements can be found in County Code section 17-401. Stormwater Pollution Prevention Plan (SWPPP) The SWPPP content requirements can be found in County Code section 17-405. A SWPPP must contain (1) a PPP, (2) an ESOP, (3) a SWMP, and (4) any TMDL measures necessary. 1. No SWPPP was included with the submittal and needs to be provided. Stormwater Management Plan (SWMP) 1. Show soil data on the plan. 2. Due to two conflicting stream studies, Staff requests that a third study be performed, either by a third party agreed upon by both the homeowners and the developer or by the US Army Corps of Engineers. This third study will determine whether or not a buffer will be placed on the parcels in question and on all parcels downstream of the site. 3. Include all necessary hydrologic and hydraulic analysis for the site, including the VRRM worksheet for Redevelopment and verification the channel leaving the site is adequate. 4. Verify that the pipe profiles are correct. B2 and B3 appear to be shown and labelled incorrectly on the profile view. The stub -out is not shown on C4. 5. More detail will be needed where A4 and C4 connect to the retaining wall. 6. A2 has a 4' drop and a 90° turn. Provide a hydraulic profile to verify this will work during larger storms. 7. The curb cut on the turnaround is discharging runoff onto the fill slope. The slope will need to be protected from erosion. 8. Provide a Stormwater maintenance agreement for the site. 9. Provide plans for the retaining wall and verification that there is no issue with the wall and wall foundation being submerged during storm events. It appears the 100yr storm event overtops the wall and runs into the buildings and the neighboring property. Engineering Review Comments Page 2 of 2 Erosion and Sediment Control Plan (ESOP) 1. Additional erosion control measures should be used below STI to ensure runoff does not enter the neighboring property. Demonstrate how ST1 will function during construction. It appears that it will be filled in almost immediately when the storm system and fill slope are installed. The VSMP permit application and all plans may be resubmitted for approval when all comments have been satisfactorily addressed. For re -submittals please provide 2 copies of the complete permit package with a completed application form. Engineering plan review staff are available from 2-4 PM on Thursdays, should you require a meeting to discuss this review. Process; After approval, plans will need to be bonded. The bonding process is begun by submitting a bond estimate request form and fee to the Department of Community Development. One of the plan reviewers will prepare estimates and check parcel and easement information based on the approved plans. The County's Management Analyst will prepare bond agreement forms, which will need to be completed by the owner and submitted along with cash, certificates or sureties for the amounts specified. The agreements will need to be approved and signed by the County Attorney and County Engineer. This may take 2-4 weeks to obtain all the correct signatures and forms. Stormwater Management Facilities Maintenance agreements will also need to be completed and recorded. The County's Management Analyst or other staff will prepare the forms and check for ownership and signature information. The completed forms will need to be submitted along with court recording fees. After bonding and agreements are complete, county staff will need to enter project information in a DEQ database for state application processing. DEQ will review the application information based on local VSMP authority approval. At this time, the DEQ portion of the application fees will need to be paid directly to the state. For fastest processing, this is done electronically with the emails provided on the application. DEQ should notify applicants with instructions on how to pay fees. When DEQ approves the application, they will issue a permit coverage letter. This should be copied to the county. After DEQ coverage is issued, via the coverage letter, the County can hold a pre -construction conference. Applicants will need to complete the request for a pre -construction conference form, and pay the remainder of the application fee. The form identifies the contractor and responsible land disturber, and the fee remaining to be paid. This will be checked by county staff, and upon approval, a pre -construction conference will be scheduled with the County inspector. At the pre -construction conference, should everything proceed satisfactorily, a joint VSMP and grading permit will be issued by the County so that work may begin. County forms can be found on the county website forms center under engineering; ht!p://www.albemarle.or�z/dgptforrns.asp?dgpartment=cden,izwpo File: WP0201600007 Inglewood Terrace 2-22-16.doc