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HomeMy WebLinkAboutWPO201700019 Review Comments WPO VSMP 2018-04-27COUNTY OF ALBEMARLE Department of Community Development 401 McIntire Road, Room 227 Charlottesville, Virginia 22902-4596 Phone (434) 296-5832 Fax (434) 972-4126 VSMP Permit plan review Project title: Scottville Elementary School Security Addition Project file number: WP0201700019 (Amendment 1) Plan preparer: Timmons Group. [craig.kotarski@timmons.com] Owner or rep.: Albemarle County School Board bletteri@kl2albemarle.org] Plan received date: April 3, 2018 Date of comments: April 27, 2018 Reviewers: David James [djames@albemarle.org] 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. A. 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 ESCP, (3) a SWMP, and (4) any TMDL measures necessary. 1. Update plans in the SWPPP with amendment changes in the field. B. Pollution Prevention Plan (PPP) The PPP content requirements can be found in County Code section 17-404. 1. Update the PPP in the SWPPP with the amendment changes in the field. C. Stormwater Management Plan (SWMP) VSMP Regulation 9VAC25-870-108 requires the VSMP authority to approve or disapprove a SWMP. This plan is disapproved, and the reasons are provided in the comments below. The stormwater management plan content requirements can be found in County Code section 17-403. 1. Cover — Change `Revised' to "Amendment 1 to" WP0201700019. 2. Account for the additional impervious area added that is undetained, and show that compliance is met. 3. Flatten out the slope/s for the additional parking so that it is sheet flow. Show the existing contours in that area. D. Erosion and Sediment Control Plan (ESCP) Virginia Code §62.1-44.15:55 requires the VESCP authority to approve or disapprove an ESCP. This plan is approved, and the reasons are provided in the comments below. The erosion control plan content requirements can be found in County Code section 17-402. 1. Addressed. 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; http://www.albemarle.org/deptforms.asp?department--cdengno File: Scottsville Elementary School Security Addition - VSMP WP0201700019 Rev.3 comments.docx COUNTY OF ALBEMARLE Department of Community Development 401 McIntire Road, Room 227 Charlottesville, Virginia 22902-4596 Phone (434) 296-5832 Fax (434) 972-4126 VSMP Permit plan review Project title: Scottville Elementary School Security Addition Project file number: WP0201700019 Plan preparer: Timmons Group. [craig.kotarski@timmons.com] Owner or rep.: Albemarle County School Board Uletteri@kl2albemarle.org] Plan received date: Feb 21, 2017 [Rev. 1] Apr 4, 2017 [Rev. 2] Jul 13, 2017 [Rev. 3] Aug 1, 2017 [Rev. 41 Date of comments: Mar 16, 2017 [Rev. 1] May 3, 2017 [Rev. 2] July 21, 2017 [Rev. 3] Aug 4, 2017 [Rev. 4] Reviewers: Geoff Elsie — ESC David James — SWM Bobby Jocz — VSMP [Rev. 41 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 approved. 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. A. 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 ESCP, (3) a SWMP, and (4) any TMDL measures necessary. (Rev. 1) Submit a SWPPP with VSMP application. (Rev.2) Partially Addressed. Sign & date Signed Certification; List/name the impaired waters with TMDLs - reports can be found http://www.deci.viri!inia.2ov/fs2014/Choose.aspx. (Rev.3) Correct the Registration Statement: a. Update `Estimated area to be disturbed'. The original area of 0.75 ac was not updated. b. Provide 12 -digit HUC. c. Need location to four (4) decimal places. d. Need minus symbol (-) for longitude. e. Sign & date (Rev.4) Addressed Engineering Review Comments Page 2 of 3 B. Pollution Prevention Plan (PPP) The PPP content requirements can be found in County Code section 17-404. 1. (Rev. 1) Submit a PPP with VSMP application. (Rev.2) Addressed. C. Stormwater Management Plan (SWMP) VSMP Regulation 9VAC25-870-108 requires the VSMP authority to approve or disapprove a SWMP. This plan is approved, and the reasons are provided in the comments below. The stormwater management plan content requirements can be found in County Code section 17-403. 1. (Rev. 1) Sheet C0.0 -Change the title to VSMP Plan, and include WPO number. (Rev.2) Addressed. 2. (Rev. 1) Before considering offsite options, consider implementing further upstream PR practices. Have other BMPs been considered and not found satisfactory? (9VAC25-870-69 B.3.) (Rev.2) Addressed. 3. (Rev. 1) Sheet C5.0 -The MH with pipe invert of 399.74' going to the curb inlet (Top=406.29') with invert of 399.85' will not drain properly. Unless you plan to install a pump there should be positive drainage from the building connection to the curb inlet across the road. (Rev.2) Addressed. 4. (Rev. 1) Install a trash rack on 15" inlet at SWF to prevent objects like balls from potentially plugging hole. (See VADEQ SW Design Spec No. 15, Sect. 6.5) (Rev.2) Addressed. 5. (Rev. 1) Show trash rack for riser, and provide that riser crest will stay within weir flow control during 10 -yr storm. (Rev.2) Sheet C6.0 -Correct post-dev Q,o to be 12.88 cfs (13.56 cfs shown). (Rev. 1) Provide design calcs to ensure proper riprap sizing for Outlet Protection at SWF. (Rev.2) Addressed. 6. (Rev. 1) Callout MH -1 at connection, and provide a detail. (Rev.2) Addressed. 7. (Rev. 1) Sheet L1.0 -The table shows six (6) for Red Maple. Five (5) are called out in the plan, but it appears that six (6) are shown, please revise. (Rev.2) Addressed. 8. (Rev.2) Show that the site meets energy balance with pre -/post- 2S area included. The requirements to meet energy balance for the site increases when including the 2S `area' into the equation. (Rev.3) See comment #11. (Rev.4) Addressed 9. Show that existing channel is still adequate (not eroding, has adequate outfall protection). (Rev.3) Addressed N/A. 10. See if the self-cleaning velocity for the 24" pipe is met. (Rev.3) Addressed -N/A. 11. (Rev.3) Missing post- design calcs in packet for the 1 -yr & 10 -yr storm. Show where/how you obtained your 1-yr/10-yr design peak flow values, and stage storage elev. for modified facility. Pre- 10 -yr flow rate is different on Sheet C6 from what is shown in the design calcs. (Rev.4) Addressed 12. (Rev.3) Sheet C6 - Include forebay design in the details of modified facility. (Rev.4) Addressed 13. (Rev.3) Include a Maintenance Narrative which describes the long-term maintenance requirements of the facility and all components, including removal and disposal of trash, debris and sediment accumulations (Ref. VADEQ Design Spec. 15 & Appx. D). Engineering Review Comments Page 3 of 3 (Rev.4) Addressed D. Erosion and Sediment Control Plan (ESOP) Virginia Code §62.1-44.15:55 requires the VESCP authority to approve or disapprove an ESCP. This plan is approved, and the reasons are provided in the comments below. The erosion control plan content requirements can be found in County Code section 17-402. 1. Add Inlet Protection to the two Curb Drop Inlets along the 15" RCP heading north from the loading dock. Storm line makes a right angle transition into an 18" RCP at the second curb inlet. Show Inlet Protection on sheets C3.1 and C3.2. Addressed Rev. 1 2. Show Permanent Seed and Mulch at stormwater facility on sheet C3.2. Addressed Rev. 1 3. Show Outlet Protection detail on sheet C3.0. Addressed Rev. 1 4. Label Outlet Protection on sheet C3.2. Addressed Rev. 1 5. Show and label Safety Fence on sheets C3.1 and C3.2. Addressed Rev. 1 6. Under Sequence of Construction on sheet C3.0, correct sheet call outs for Phase 1 and Phase 2. Phase One, Sheets C3.1 — C3.2 and Phase Two, Sheets C3.3 — C3.4 are incorrect. Please correct to match submitted plan. Addressed Rev. 1 7. Provide IP at sawcut pipe/MH-1 location. Addressed Rev. 1 8. Move CE to project entrance; Show at 70' (Min). Addressed Rev. I The VSMP permit application and all plans may be resubmitted for approval when all comments have been satisfactorily addressed. For approval please provide 4 copies of the plan sets with 2 copies of the SWPP and 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; 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; http://www.albemarle.org/deptfonns.asp?department=cdengmTo Short Review Comments Report for: WPO201700019 SubApplication Type: Scottsville Elementary School Security Addition - VSMP Stormwater Management/BMP Plan Erosion and Sediment Control Plan Date Completed:03/16/2017 Reviewer:David James CDD Engineering Review Status:Requested Changes Reviews Comments: Division: Date Completed:03/08/2017 Reviewer:Geoff Elsie CDD Engineering Review Status:Requested Changes Reviews Comments: Division: Date Completed:04/17/2017 Reviewer:Geoff Elsie CDD Engineering Review Status:Approved Reviews Comments: Division: Date Completed:05/03/2017 Reviewer:David James CDD Engineering Review Status:Requested Changes Reviews Comments: Division: Date Completed:07/21/2017 Reviewer:David James CDD Engineering Review Status:Requested Changes Reviews Comments: Division: Date Completed:08/03/2017 Reviewer:Bobby Jocz CDD Engineering Review Status:Approved Reviews Comments: Division: Page:1 of 1 County of Albemarle Printed On:October 12, 2017 0 4,410 tio 0 4111 • 608 Preston Avenue P 434.295.5624 Suite 200 F 434.295.8317 T I M M O N S GROUP Charlottesville,VA 22903 www.timmons.com YOUR VISION ACHIEVED THROUGH OURS. April 3, 2017 Geoff Elsie—VESCP Emily Cox-VSMP Albemarle County Community Development 401 McIntire Rd Rm. 227 Charlottesville,VA 22902 RE: Scottsville ES Security Addition —Plan Review Comment Response Letter (WP02017000 19) Dear Mr. Elsie& Ms. Cox: We have reviewed all of your comments from March 16, 2017 (VESCP) & March 16, 2017 (VSMP) and made the necessary revisions. Please find our responses to the comments below in bold lettering. A. Stormwater Pollution Prevention Plan (SWPPP) The SWPPP content requirements can be found in County Code section 17-405. A SWPPP must contain (I) a PPP, (2) an ESCP, (3) a SWMP, and (4) any TMDL measures necessary. I. Submit a SWPPP with VSMP application. SWPPP has been provided along with a copy of the VSMP application, also included in the first submission. B. Pollution Prevention Plan (PPP) The PPP content requirements can be found in County Code section 17-404. I. Submit a PPP and VSMP application. A PPP has been provided. C. Stormwater Management Plan (SWMP) VSMP Regulation 9VAC25-870-108 requires the VSMP authority to approve or disapprove a SWMP. This plan is disapproved, and the reasons are provided in the comments below. The stormwater management plan content requirements can be found in County Code section 17-403. V I. Sheet C0.0—Change the title to VSMP Plan, and include WPO number. I Title on the cover sheet has been revised accordingly. CIVIL ENGINEERING I ENVIRONMENTAL I SURVEYING I GIS ( LANDSCAPE ARCHITECTURE I CONSTRUCTION SERVICES 1 . Before considering offsite options, consider implementing further upstream PR practices. Have other BMPs been considered and not found satisfactory? (9VAC25-870-69 B.3.) Comment has been discussed and resolved through emails between Craig Kotarski and David James March 16th 13. Sheet C5.0—The MH with pipe invert of 399.74'going to the curb inlet (Top=406.29') with invert of 399.85' will not drain properly. Unless you plan to install a pump there should be positive drainage from the building connection to the curb inlet across the road. The inverts have been revised so that positive drainage from the building is achieved. /4. Install a trash rack on 15" inlet at SWF to prevent objects like balls from potentially plugging hole. (See VADEQ SW Design Spec No. 15, Sect. 6.5) Trash rack has been added see sheet C5.0 and detail on C1.0. 5. Show trash rack for riser, and provide that riser crest will stay within weir flow control during 10 yr storm. Trash rack has been provided see C5.0 and C6.0. The riser crest will stay within weir flow control. See bottom of page 24 of post developed routing indicating"weir controls"for outlet #2. 6. Provide design calcs to ensure proper riprap sizing for Outlet Protection at SWF. Outlet Protection Calculations have been provided. See Calculations Book. 7. Callout MH-I at connection, and provide a detail. A clean out has been provided at the connection of existing steel pipe and proposed HDPE pipe. \fi(Sheet L I.0—The table shows six (6) for Red Maple. Five (5) are called out in the plan, but it appears that six(6) are shown, please revise. Label has been revised to reflect six(6) Red Maples. D. Erosion and Sediment Control Plan (ESCP) Virginia Code 62.1-44.15:55 requires the VESCP authority to approve or disapprove an ESCP. This plan is disapproved, and the reasons are provided in the comments below. The erosion control plan content requirements can be found in County Code section 17- 402. I. Add Inlet Protection to the two Curb Drop Inlets along the 15" RCP heading north from the loading dock. Storm line makes a right angle transition into an 18" RCP at the second curb inlet. Show Inlet Protection on Sheets C3.I and C3.2. inlet protection has been added to the two curb drop inlets as indicated. 2. Show Permanent Seed and Mulch at stormwater facility on Sheet C3.2. Permanent seeding and mulch labels have been shown on the stormwater facility on Sheet C3.2. 3./Show Outlet Protection detail on Sheet C3.0. Outlet protection detail has been shown on Sheet C3.0. 4./Label Outlet Protection on Sheet C3.2. Outlet protection has been labeled on Sheet C3.2. S./Show and label Safety Fence on Sheets C3.I and C3.2. afety fence has been shown and labeled on Sheets C3.I and C3.2. 6nder Sequence of Construction on Sheet C3.0, correct Sheet call outs for Phase I and Ud Phase 2. Phase One, Sheets C3.I — C3.2 and Phase Two, Sheets C3.3 —C3.4 are incorrect. Please correct to match submitted plan. ,Sequence of Construction on Sheet C3.0 has been revised accordingly. 7./Provide IP at sawcut pipe/MH-I location. Culvert Inlet Protection has been added to this location to protect downstream system /while pipe is cut. See sheet C3.2. 8. Move CE to project entrance; Show at 70' (Min). Construction entrance has been revised accordingly. We have included 2 copies of the plans, the SWPPP and calculations for your review. If you have any questions or comments, please feel free to give me a call at 434.327.1681. Sincerely, RY1--z_ Jonathan Showalter Project Engineer CC: Craig Kotarski, PE a0A ckk1n0kn , s\nawm �lre A ,n ono 5 , corn COUNTY OF ALBEMARLE Department of Community Development 401 McIntire Road, Room 227 Charlottesville, Virginia 22902-4596 Phone (434) 296-5832 Fax (434) 972-4126 VSMP Permit plan review Project title: Scottville Elementary School Security Addition Project file number: WP0201700019 Plan preparer: Timmons Group. [craig.kotarski@timmons.com] Owner or rep.: Albemarle County School Board Uletteri@kl2albemarle.org] Plan received date: Feb 21, 2017 Apr 4, 2017 Date of comments: Mar 16, 2017 [Rev.1] May 3, 2017 [Rev.2] July 21, 2017 [Rev.3] Reviewers: Geoff Elsie — ESC David James — SWM 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. A. 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 ESCP, (3) a SWMP, and (4) any TMDL measures necessary. (Rev. 1) Submit a SWPPP with VSMP application. (Rev.2) Partially Addressed. Sign & date Signed Certification; List/name the impaired waters with TMDLs - reports can be found http://www.deci.virginia.gov/fs2014/Choose.aspx. (Rev.3) Correct the Registration Statement: a. Update `Estimated area to be disturbed'. The original area of 0.75 ac was not updated. b. Provide 12 -digit HUC. c. Need location to four (4) decimal places. d. Need minus symbol (-) for longitude. e. Sign & date B. Pollution Prevention Plan (PPP) The PPP content requirements can be found in County Code section 17-404. 1. (Rev. 1) Submit a PPP with VSMP application. (Rev.2) Addressed. C. Stormwater Management Plan (SWMP) VSMP Regulation 9VAC25-870-108 requires the VSMP authority to approve or disapprove a Engineering Review Comments Page 2 of 4 SWMP. This plan is disapproved, and the reasons are provided in the comments below. The stormwater management plan content requirements can be found in County Code section 17-403. 1. (Rev. 1) Sheet C0.0 -Change the title to VSMP Plan, and include WPO number. (Rev.2) Addressed. 2. (Rev. 1) Before considering offsite options, consider implementing further upstream PR practices. Have other BMPs been considered and not found satisfactory? (9VAC25-870-69 B.3.) (Rev.2) Addressed. 3. (Rev. 1) Sheet C5.0 -The MH with pipe invert of 399.74' going to the curb inlet (Top=406.29') with invert of 399.85' will not drain properly. Unless you plan to install a pump there should be positive drainage from the building connection to the curb inlet across the road. (Rev.2) Addressed. 4. (Rev. 1) Install a trash rack on 15" inlet at SWF to prevent objects like balls from potentially plugging hole. (See VADEQ SW Design Spec No. 15, Sect. 6.5) (Rev.2) Addressed. 5. (Rev. 1) Show trash rack for riser, and provide that riser crest will stay within weir flow control during 10 -yr storm. (Rev.2) Sheet C6.0 -Correct post-dev Q,o to be 12.88 cfs (13.56 cfs shown). (Rev. 1) Provide design calcs to ensure proper riprap sizing for Outlet Protection at SWF. (Rev.2) Addressed. 6. (Rev. 1) Callout MH -1 at connection, and provide a detail. (Rev.2) Addressed. 7. (Rev. 1) Sheet L1.0 -The table shows six (6) for Red Maple. Five (5) are called out in the plan, but it appears that six (6) are shown, please revise. (Rev.2) Addressed. 8. (Rev.2) Show that the site meets energy balance with pre -/post- 2S area included. The requirements to meet energy balance for the site increases when including the 2S `area' into the equation. (Rev.3) See comment #11. 9. Show that existing channel is still adequate (not eroding, has adequate outfall protection). (Rev.3) Addressed N/A. 10. See if the self-cleaning velocity for the 24" pipe is met. (Rev.3) Addressed N/A. 11. (Rev.3) Missing post- design calcs in packet for the 1 -yr & 10 -yr storm. Show where/how you obtained your 1-yr/10-yr design peak flow values, and stage storage elev. for modified facility. Pre- 10 -yr flow rate is different on Sheet C6 from what is shown in the design calcs. 12. (Rev.3) Sheet C6 - Include forebay design in the details of modified facility. 13. (Rev.3) Include a Maintenance Narrative which describes the long-term maintenance requirements of the facility and all components, including removal and disposal of trash, debris and sediment accumulations (Ref. VADEQ Design Spec. 15 & Appx. D). D. Erosion and Sediment Control Plan (ESCP) Virginia Code §62.1-44.15:55 requires the VESCP authority to approve or disapprove an ESCP. This plan is approved, and the reasons are provided in the comments below. The erosion control plan content requirements can be found in County Code section 17-402. 1. Add Inlet Protection to the two Curb Drop Inlets along the 15" RCP heading north from the loading dock. Storm line makes a right angle transition into an 18" RCP at the second curb inlet. Show Inlet Protection on sheets C3.1 and C3.2. Addressed Rev. 1 2. Show Permanent Seed and Mulch at stormwater facility on sheet C3.2. Addressed Rev. 1 3. Show Outlet Protection detail on sheet C3.0. Addressed Rev. I Engineering Review Comments Page 3 of 4 4. Label Outlet Protection on sheet C3.2. Addressed Rev. 1 5. Show and label Safety Fence on sheets C3.1 and C3.2. Addressed Rev. 1 6. Under Sequence of Construction on sheet C3.0, correct sheet call outs for Phase 1 and Phase 2. Phase One, Sheets C3.1 — C3.2 and Phase Two, Sheets C3.3 — C3.4 are incorrect. Please correct to match submitted plan. Addressed Rev. 1 7. Provide IP at sawcut pipe/MH-1 location. Addressed Rev. 1 8. Move CE to project entrance; Show at 70' (Min). Addressed Rev. I 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; hLtp://www.albemarle.orWdeptfonns.asp?department=cdenMo File: Scottsville Elementary School Security Addition - VSMP WP0201700019 Rev.3 comments.docx Engineering Review Comments Page 4 of 4 COUNTY OF ALBEMARLE Department of Community Development 401 McIntire Road, Room 227 Charlottesville, Virginia 22902-4596 Phone (434) 296-5832 Fax (434) 972-4126 VSMP Permit plan review Project title: Scottville Elementary School Security Addition Project file number: W00201700019 Plan preparer: Timmons Group. [craig.kotarski@timmons.com] Owner or rep.: Albemarle County School Board Uletteri@kl2albemarle.org] Plan received date: 21 Feb 2017 Date of comments: 16 Mar 2017 Reviewers: Geoff Elsie – ESC David James – SWM 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. A. 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 ESCP, (3) a SWMP, and (4) any TMDL measures necessary. 1. Submit a SWPPP with VSMP application. B. Pollution Prevention Plan (PPP) The PPP content requirements can be found in County Code section 17-404. 1. Submit a PPP with VSMP application. C. Stormwater Management Plan (SWMP) VSMP Regulation 9VAC25-870-108 requires the VSMP authority to approve or disapprove a SWMP. This plan is disapproved, and the reasons are provided in the comments below. The stormwater management plan content requirements can be found in County Code section 17-403. 1. Sheet C0.0—Change the title to VSMP Plan, and include WPO number. 2. Before considering offsite options, consider implementing further upstream PR practices. Have other BMPs been considered and not found satisfactory? (9VAC25-870-69 B.3.) 3. Sheet C5.0—The MH with pipe invert of 399.74' going to the curb inlet (Top=406.29') with invert of 399.85' will not drain properly. Unless you plan to install a pump there should be positive drainage from the building connection to the curb inlet across the road. 4. Install a trash rack on 15" inlet at SWF to prevent objects like balls from potentially plugging hole. (See VADEQ SW Design Spec No. 15, Sect. 6.5) 5. Show trash rack for riser, and provide that riser crest will stay within weir flow control during 10 - yr storm. Engineering Review Comments Page 2 of 3 6. Provide design calcs to ensure proper riprap sizing for Outlet Protection at SWF. 7. Callout MH -1 at connection, and provide a detail. 8. Sheet L1.0—The table shows six (6) for Red Maple. Five (5) are called out in the plan, but it appears that six (6) are shown, please revise. D. Erosion and Sediment Control Plan (ESOP) Virginia Code §62.1-44.15:55 requires the VESCP authority to approve or disapprove an ESCP. This plan is disapproved, and the reasons are provided in the comments below. The erosion control plan content requirements can be found in County Code section 17-402. 1. Add Inlet Protection to the two Curb Drop Inlets along the 15" RCP heading north from the loading dock. Storm line makes a right angle transition into an 18" RCP at the second curb inlet. Show Inlet Protection on sheets C3.1 and C3.2. 2. Show Permanent Seed and Mulch at stormwater facility on sheet C3.2. 3. Show Outlet Protection detail on sheet C3.0. 4. Label Outlet Protection on sheet C3.2. 5. Show and label Safety Fence on sheets C3.1 and C3.2. 6. Under Sequence of Construction on sheet C3.0, correct sheet call outs for Phase 1 and Phase 2. Phase One, Sheets C3.1 – C3.2 and Phase Two, Sheets C3.3 – C3.4 are incorrect. Please correct to match submitted plan. 7. Provide IP at sawcut pipe/MH-1 location. 8. Move CE to project entrance; Show at 70' (Min). 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. Engineering Review Comments Page 3 of 3 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; hlt2://www.albemarle.org/deptforms.asl2?department--cdengno File: Scottsville Elementary School Security Addition - VSMP WPO201700019 - Review comments.doc