HomeMy WebLinkAboutSUB201700117 Correspondence 2021-07-19® COLLINS ENGINEERING
July 7, 2021
Emily Cox
Department of Community Development
401 McIntire Road
Charlottesville, VA 22902
200 GARRETT ST, SUITE K CHARLOTTESVILLE VA 22902
��434.293.3719 PH 434.293.2813 FX
www.coll ns-eng ineeri ng.com
RE: State Route 643 - Polo Grounds Road - Phase II Plan Amendment (SUB 2020700117)
Thank you for your comments dated June 21, 2021 on the above referenced project. Below are our responses to the remaining
comments on the site plan.
Engineering (Emily Cox):
1. Comment acknowledged. Approval for work in the streams and floodplains will be provided to Albemarle County.
2. Approved WPO plan number has been labeled on the cover sheet.
3. Linework on the plan sheets has been revised; R/W shown on the back side of the asphalt trail.
4. Topography has been field verified and the cover sheet topography note has been updated.
S. Greenway has been shown and labeled on the relevant plan sheets.
6. Proposed street and stop signs have been shown and labeled on Sheet 6 and 12.
7. Landscaping plan has been included with the revised plan set.
8. Proposed intersection sight distance lines and profile have been included in the revised plan set.
9. ADT and pavement design has been shown on Sheet 9.
Planning (Cameron Langille):
1. Existing parcel lines and parcel information have been shown and labeled. Cover sheet notes have been updated to reflect
the additional parcels.
2. Comment acknowledged. Callouts have been revised to point to correct symbology.
3. Proffer narrative has been included on the cover sheet. Relevant text and exhibits have been highlighted on Sheets SA and
1B.
4. The Montgomery Ridge HOA has not agreed to the extension of the SO' asphalt path.
5. Landscaping plan has been included in the revised plan set. Tree and shrub species used in the buffer have been selected
from the Albemarle County Recommended Plants List. A landscaping schedule and canopy calculations have been
included with the landscaping plan.
6. No primitive trail construction is associated with this road plan. Primitive trail network will be installed with the future
development of Brookhill.
VDOT (Max Greene):
1. Handrails have been shown and labeled, where required, on Sheets 5 and 6. Handrail detail has been shown on Sheet 9.
2. 10' transition has been shown and labeled on Sheet 6 at the CG-6 terminus.
3. Pedestrian maintenance agreement will absolve VDOT of any liability of the safety of pedestrians using the tunnel and will
include the maintenance of the culvert, riprap outlet protection, as well as safety features. In addition, a berm was added
to the grading plan in this area to prevent small storm events from flooding the pedestrian tunnel.
4. Length of riprap apron for the outlet of the S'S' dual culvert has been shown and labeled as 25' in length.
5. Box culvert labels have been revised.
6. Drainage easement revised to fully encompass the double box culvert and related wing walls and riprap.
7. Waterline depth notes have been revised on the profile sheets.
S. Current 2020 R&B Specifications have been referenced.
9. Waterline depth and separation notes have been revised on the profile sheets.
10. Pedestrian tunnel profile on Sheet 14 has been revised to include a label in reference to the required 8" minimum
excavation and bedding material under the structure.
11. Polo Grounds road profile on Sheet 12 has been revised to accurately depict the double box culvert.
12. Details have been added to Sheets 17A and 17B for the pedestrian tunnel and double box culvert.
13. A design waiver will be required, due to the limited clearance of the tunnel under Polo Grounds Road.
14. Current 2020 specifications have been referenced on the revised plans.
Should you have any questions, please feel free to contact Scott Collins at scott(n7collins-eneineerine.com.
Sincerely,
Scott Collins, PE