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HomeMy WebLinkAboutSUB201500112 Correspondence 2016-02-05•0000. ! • TIMMONS GROUP YOUR VISION ACHIEVED THROUGH OURS. February 5, 2016 Virginia Department of Transportation Troy Austin, P.E. Area Land Use Engineer Culpeper District RE: Dunlora V — Road Plan Dear Mr. Austin: 111 West High Street P 434.295.5624 Charlottesville, VA 22902 F 434.295.8317 www.timmons.com We have reviewed all of your comments from February 1, 2016 and made the necessary revisions. Please find our responses to the comments below in bold lettering. 1. The inverts of storm sewer pipe 225 do not match between the hydraulic calculations and the storm sewer profile. The invert difference is incrementally the same on both ends, so the pipe design is acceptable; however the number should match. The invert elevations for pipe 225 have been revised in the storm sewer pipe calculations and now match the inverts shown on the profile. 2. The spread of storm structure 214 exceeds the maximum allowable spread. An inlet length longer than 2' should be considered to reduce the design spread. The inlet calculations have been revised to specify an inlet length of 6'. 3. As we have previously discussed, the emergency shown to Rio Road needs to be removed and revised to a configuration similar to that shown in the I I/ I 1/ 15 submittal. The access will need to utilize the existing access to Rio Road rather than add a new access The emergency access has been revised to connect to the adjacent parcel / emergency access road per your comments and our meeting at Albemarle County Community Development on 2/5/116. We have electronically submitted the plans and calculations to your email and Albemarle County for your review. If you have any questions or comments, please feel free to give me a call at 434.962.4337. We will submit hard copies of the plans as soon as we receive your approval. Sincerely, - Clint Shifflett, P.E. Project Engineer CIVIL ENGINEERING I ENVIRONMENTAL I SURVEYING I GIS I LANDSCAPE ARCHITECTURE I CONSTRUCTION SERVICES • S � TIMMONS GROUP YOUR VISION ACHIEVED THROUGH OURS December 17, 2015 County of Albemarle Ellie Ray, CLA, Senior Planner Community Development 401 McIntire Road, Room 227 Charlottesville, Va. 22902 RE: Dunlora V — Road Plan Dear Ms. Ray: We have reviewed all of your comments from December 8', 2015 and made the necessary revisions. Please find our responses to the comments below in bold lettering. 1. [Comment] If public streets are proposed, VDOT requires the R/W to extend 1' outside of the sidewalk. Rev1: Comment addressed. 2. [14-302(A)4&5] Private & public easements. Will an easement be necessary for the off-site sewer connection? If so, show it on the plan. This easement must be approved with the Final Plat, or be in place prior to approval of the Final Plat. However, this easement should also be in place prior to the approval of any construction activities on the impacted parcel. Rev1: Comment not fully addressed. The easement plat for the off-site sewer connection should be submitted, approved and recorded prior to Final Plat approval. If any disturbance is proposed outside of the right-of-way (even for construction) the easement should be established prior to Road Plan approval. Rev2: Comment not fully addressed. The comment response letter indicates that the easement has been removed, but the plans still show a proposed easement; as noted above, if disturbance is proposed on private property not owned by the applicant the easement needs to be submitted, approved and recorded prior to road plan approval. Additionally, there is now a temporary grading easement shown at the end of the cul-de-sac, a letter of intent from the adjacent property owner should be provided prior to road plan approval. The plat for the offsite, proposed ACSA easement will be submitted separately. Response: The offsite sanitary sewer easement has been removed. The offsite, temporary grading easement has also been removed. 3. [14-302(A)12] Topography. Show and label the areas of managed steep slopes on the subject parcel and the areas of preserved steep slopes across Shepherd's Ridge Road that may be impacted by the proposed sewer connection. If impact to preserved steep slopes is proposed for the sewer connection, please clarify if an alternate connection is possible that does not impact the slopes. Rev1: Comment addressed. a. M CR Ln o% N M 9 N .0 Li 6*1 Ir N E 0 V 0 E E December 17, 2015 Page 2 of 3 4. [18-15.4.1] Environmental standards. To qualify for the bonus factor for maintenance of existing wooded areas you must show that the area maintained meets the definition of 'wooded area' in Section 3. This information is not included in the road plans, it must be provided prior to Road Plan approval. Rev1: Comment not fully addressed. A tree survey must be provided that verifies that the proposed preserved wooded areas meet the `wooded areas' definition in Section 3 of the Zoning Ordinance (see below). Rev2: Comment addressed. 5. [18-15.4.1] Environmental standards. To qualify for this bonus, a conservation plan as specified in section 32.7.9 is required, including the limits of clearing and tree protection. The conservation plan checklist must be completed and signed. Rev1: Comment not fully addressed. Tree protection must be shown on the Road Plans. The conservation plan checklist must be completed, signed and dated prior to Road Plan approval. Rev2: Comment not fully addressed. Tree protection for the conservation areas must be provided and shown on the Road Plans. The conservation plan checklist must be completed, signed and dated prior to Road Plan approval. Additionally, there are two conservation plan checklists in the plan set; one is fill out but not signed or dated (on the Cover) and the other is blank (L1.1), please remove one of the checklists. Response: The duplicate conservation checklist on the coversheet has been removed. A conservation checklist signed by the contract purchaser, Frank Stoner, is included on sheet L 1.1. 6. [14-401] Double frontage lots. Double frontage lots (see definition, includes those with less than 20' of common area between the rear of the lot and the second street) are prohibited. This can be varied or excepted as provided in 14-203.1; either provide at least 20' of common area between the rear of lots 5, 6, 7, and 8 and the second street or apply for the exception. If an exception is approved, the lots must be screen as provided in 14-419. This screening must be shown on the road plans. Rev1: Comment not fully addressed. The exception request must be submitted, reviewed and approved prior to Final Plat approval. If approved, the lots must be screened as provided in section 32.7.97 (see below). In order to meet this standard a plant schedule listing species, planting size etc must be provided (to demonstrate minimum plant size requirement has been met). The standard calls for a double -staggered row of evergreens; while some deciduous plants are approvable it seems more evergreens may be necessary. If plant symbols were drawn at a more realistic size (75% of mature size) it would be easier to evaluate the proposal. The screening must extend along the entire rear lot lines; please add additional screening where it is currently missing. Any screening in private lots will require a landscape easement, and maintenance of the required plantings will need to be addressed in the covenants & restrictions for the subdivision (reviewed and approved by the County Attorney's Office). As an aside, Leyland cypress planted that close to homes will likely cause issues; you may want to consider a smaller, more reliable evergreen species. Rev2: Comment not fully addressed. The exception request is currently under review and must be approved prior to Final Plat approval. In order to gain approval, the lots must be screened as provided in section 32.7.9.7 (see below). Provide a plant schedule listing species (not simply common name), planting size, and number of plants proposed (to demonstrate minimum plant size requirement has been met). The required screening must extend along the entire rear lot lines; please add additional screening along Lot 5 as what is currently proposed is only a single row. If there isn't enough space for another row of trees, a row of evergreen shrubs 10' o.c. is sufficient. Any screening in private lots will require a landscape easement, and maintenance of the required plantings will need to be addressed in the covenants & restrictions for the December 17, 2015 Page 3 of 3 subdivision (reviewed and approved by the County Attorney's Office) (the easements and C&R will be reviewed with the Final Plat). The plant counts shown on the plan are inaccurate; the plan lists 13 White Fir but shows 16, and lists 24 Foster Holly but shows 30. Please revise accordingly and make sure the plant schedule matches what is shown on the plan. Response: Additional trees have been added along Lot 5 in order to create a contiguous, double staggered row of trees. A planting schedule has been added to sheet L1.0 of the road plans and quantity labels have been revised. 7. [14-409] Coordination and extension of streets. As discussed, the proposal on the adjacent parcel does not include a street, the lots are served by an alley. If that proposal is approved, the extension shown on this plat may not be necessary; this issue can be resolved with the Final Plat. Any change to the road layout will require an amendment to the road plans. Rev1: Comment not fully addressed. During and after the SRC meeting there was much conversation about how to meet VDOT, Fire Rescue and Engineering comments. It seemed that a phased plan including a temporary cul-de-sac was the solution to address all concerns. This plan does not provide the design that was discussed in our meetings and may not satisfy the comments provided on the original submittal. Rev2: Comment addressed. 8. [Comment] The landscape notes/calculations provided include several inaccuracies (Ash canopy is 165 sf (not 253) and residential developments less than 10 du/ac require 20% tree canopy (not 10), etc). However, tree canopy is only required for developments subject to section 32; please remove any reference to the tree canopy provided other than that necessary to meet the tree preservation bonus factor. Rev1: Comment addressed. 9. [Comment] The location of many of the proposed street trees has now changed and there appear to be several conflicts with proposed utilities; revise tree and/or utility locations to resolve these conflicts. Rev2: Comment addressed. However, the plan indicates 22 Pin Oak are provided but it appears that only 20 are proposed; please revise. Response: The tree quantity labels have been revised, and a planting schedule has been added to sheet L1.0. We have electronically submitted the plans and calculations for your review. If you have any questions or comments, please feel free to give me a call at 434.327.1690. Sincerely, cam_ - Clint Shifflett, PE Project Engineer `mss!!• TIMMONS GROUP YOUR VISION ACHIEVED THROUGH OURS. December 17, 2015 Virginia Department of Transportation Troy Austin, P.E. Area Land Use Engineer Culpeper District RE: Dunlora V —Road Plan Dear Mr. Austin: We have reviewed all of your comments from December 9`h, 2015 and made the necessary revisions. Please find our responses to the comments below in bold lettering. 1. The tick marks should be added to the road centerlines in plan view. Tick marks have been added to the Road Centerline. Refer to sheet C3.0. 2. There is a note on sheet C4,0 indicating that structure 100 will be tied to the existing pipe. I understand that the 18" RCP under Shepherd's Ridge Road will be replaced with 15" HDPE, however, the note on sheet C4.0 could be interpreted that the structure will be connected to the existing 18" RCP. It appears that this note should be removed. This note has been removed from the plan. 3. The label for structure 214 is overlaying the spot elevation label. For clarity, one of the labels should be shifted. The structure labeling for 214 has been revised. 4. The hydraulic calculations have not been provided to me for review. Two PDF files titled "Calc—Book" have been electronically submitted to Albemarle County and include all hydraulic / hydrologic calculations. Please let us know if they are not passed on you, so we can get them to you directly. R:\103\36167-Dunlora—Subdivision\Docs\2-Design\Letters\PRELIM PLAT (090415)\Comment Response From Timmons N O a, N N 1 N .j 0 L b L U W Vi V) L N a% a, M Cq Ln a% N rn V_ 9 V, N ID Li LO a• N E 0 C Q E December 17, 2015 Page 2 of 2 5. Once the above items have been addressed and the hydraulic calculations have been reviewed and approved, two sets of signed hardcopies of these pians need to be provided to this office. Note, review of the hydraulic calculations may potentially generate additional comments. Acknowledged. Two sets of signed hardcopies of the plans will be provided once reviewed and approved. We have electronically submitted the plans and calculations to Albemarle County for your review. If you have any questions or comments, please feel free to give me a call at 434.327.1690. Sincerely, Clint Shifflett, P.E. Project Engineer R:\103\36167-Dunlora_Subdivision\Docs\2-Design\Letters\PRELIM PLAT (090415)\Comment Response From Timmons .�tlES TIMMONS GROUP YOUR VISION ACHIEVED THROUGH OURS. September 10, 2015 County of Albemarle John Anderson Community Development 401 McIntire Road, Room 227 Charlottesville, Va. 22902 RE: Dunlora V — Road Plans Dear Mr. Anderson: We have reviewed all of your comments from August I 1 `h, 2015 and made the necessary revisions. Please find our responses to the comments below in bold lettering. Road and Drainage Plans (SUB20 1 500 1 1 2) I. Sheet C3.0 /plan and C5. I /profile should refer to Road `A' or `I', Road `B' or `2' — please revise. The profile labels for Roads A and B have been revised. 2. Sheet C5.1 — Road I Centerline: Clarify if intersection with Shepherds Ridge Rd. is EP or CL intersection. A label calling out "EP" has been added to the profile for Road A (formerly Road 1). 3. Sheet C5.1 — Ensure that street grade is less than 4% for a minimum of 40' from the edge of pavement of the intersected street. (This grade can be within the first road curve which transitions from the 2% intersected cross grade) — Ref. Alb. County road plan checklist. The road centerline design has been revised for both Road A and Road B. A 2% landing for 50' has been provided. 4. Sheet C5.1 — Road I and 2 Centerline: show /label cross drain locations with VDOT designations (CD -1, 2) at every major cut and fill transition or sag curve. —Ref. road plan checklist, profile, p.3. Cross drains have been added to the road profiles where necessary. S. Sheet C5.1 — Revise Road I Centerline 70' VC for Min. K, sag curve = 15.0 (proposed 10.77 —ref ACDSM 7.F., Standards table /p.19). R :\103 \36167- DunIora_$ubdivision \Dots \2 - Des ign \Letters \PRELIM PLAT (090415) \Comment Response From Timmons 0 0 6 C cu r V 7 C C v E a 0 v 0 a Cq Ln N M n N 10 Vl Ln N V- m V_ I E 0 u M C 0 E E September 10, 2015 Page 2 of 2 The road centerline designs have been revised. VDOT minimum standards for Minimum K value and sight distance have been met. 6. Confirm Min. roadway width with VDOT (22' FC /FC). Defer to VDOT on roadway width for public streets. The road sections have been revised and now show 24' FC /FC which is acceptable for VDOT if no on street parking is permitted. 7. Extend RW I' beyond sidewalk. RW coincident with edge of walk prevents maintenance without trespass. Revised. This has resulted in a proposed 49' right -of -way. 8. Provide sidewalk/landscape easements. All proposed sidewalks are within public right -of -way. Landscape easements have been added where applicable. 9. C3.0 — Please ref. ACDSM for cul -de -sac detail (paved /unpaved center). Note ACF &R request for 96' cul -de -sac (48' radius). The unpaved center island has been removed. The cul -de -sac now has a radius of 30' as permitted by VDOT and Albemarle County. 10. C4.0 — Provide flow arrows /% slope for each driveway to ensure drainage away from garages. Spot elevations and slopes have been provided for driveways. 11. C4.0 — Provide a defined swale on south and west sides of Lot 20. On S side, slight contoured channel ends at 466'. Define and extend swale with reasonable depth /dimension toward street. Provide yard inlet /grates and grades to protect structure at Lot 20. This area has been redesigned and not provides an adequate swale to ensure positive drainage away from the proposed house. We have electronically submitted the plans and calculations for your review. If you have any questions or comments, please feel free to give me a call at 434.327.1688. Sincerely, Craig Kotarski, P.E., LEED AP Project Manager RAI03\ 36167- Dunlora_$ubdivision \Docs \2- Design \Letters \PRELIM PLAT (090415) \Comment Response From Timmons John Anderson From: Austin, Nathran. (VDOT) <Nathran .Austin @vdot.virginia.gov> Sent: Monday, August 17, 2015 10:01 AM To: 'Craig Kotarski' Cc: Ellie Ray; John Anderson Subject: RE: Dunlora Road Plans Attachments: SUB - 2015 -00102 Dunlora V Preliminary Plat Comments - 7- 20- 15.pdf Good morning Craig. I was looking at the road plans for this project and the comments that were made for the preliminary plat apply to these plans as well. I think that the road plans /preliminary plat need to be revised subject to these comments (attached) before review of the road plans can be completed. Please let me know if you would like to discuss this further. Troy Austin, P.E. Area Land Use Engineer Virginia Department of Transportation Charlottesville Residency 701 VDOT Way Charlottesville, VA 22911 Phone: (434) 422 -9782 Fax: (434) 984 -1521 From: Craig Kotarski [ma ilto: Craig. Kotarski @timmons.com] Sent: Friday, August 14, 2015 1:50 PM To: Austin, Nathran. (VDOT) Cc: Ellie Ray (eray @albemarle.org) Subject: Dunlora Road Plans Troy, Just checking in to see how the review of the Dunlora V Road Plans are coming along. Please let me know if you need anything from me. Best, Craig Craig Kotarski, P.E., LEED AP Project Manager TIMMONS GROUP www.timmons.com 919 2nd Street S.E. Charlottesville, VA 22902 Office: 434.327.1688 Fax: 434.295.8317 Mobile: 434.964.7148 craig.kotarski(a)timmons.com Your Vision Achieved Through Ours To send me files greater than 20MB click here.