HomeMy WebLinkAboutWPO202200005 Correspondence 2022-08-31SHIMP ENGINEERING, P.C.
Design Focused Engineering
August 17, 2022
David James
County of Albemarle Community Development
401 McIntire Rd, North Wing
Charlottesville, VA 22902
RE: Response Letter #4 for WPO202200005 Castalia Farm Winery
Dear David,
Thank you for your review of the VSMP plan for Castalia Farm — New Facility. This letter contains
responses to comments dated August 12, 2022.Our responses are as follows:
A. Stormwater Pollution Prevention Plan (SWPPP)
1. Addressed.
2. Addressed.
3. (Rev. 3) Note: Engineering will stamp approved the SWPPP once the approved copies of the ESC
& SWM plan are inserted.
RESPONSE: Confirmed, the approved drawings will be added to the SWPPP and sent back to the
County.
B. Pollution Prevention Plan (PPP)
1. Addressed.
C. Stormwater Management Plan (SWMP)
1. Addressed.
2. Addressed.
3. Addressed.
4. Addressed.
5. Bioretentions: (Ensure bioretention meets all requirements per DEQ specifications:
https:Hswbmpvwrre.wp.prod.es. cloud.vt.edu/wp-content/uploads/2017/ 11 BMP-Spec-No-
9_BIORETENTION_v 1-9_03012011.pdf )
a. Addressed
912 E. High Sr. Charlottesville, VA 22902 1434.227.5140 1 shimp-engineering.com
b. Addressed
c. Addressed
d. Acknowledged.
e. Addressed
f. Addressed.
g. Addressed.
h. Addressed
i. Addressed
j. (Rev. 3) Show/Provide observation well locations (6.7)
RESPONSE:
j. Observation well locations are now shown for all bioretention basins.
6. Addressed.
7. Addressed.
8. Addressed.
9. Addressed
10. Acknowledged
11. Addressed
12. Addressed
13. Addressed
14. Acknowledged — Easement plat will need to be approved/recorded prior to WPO plan approval.
Submit an easement plat application.
RESPONSE: Easement plat and application have been submitted.
15. Addressed
16. (Rev. 2) Record SWM Maintenance Agreement
Response: This will be recorded prior to plan approval.
D. Mitigation Plan (MP)
1. Addressed.
2. Addressed.
3. Acknowledged.
4. Addressed
912 E. High St.. Charlottesville, VA 22902 1434.227.51401 shlmp-engineenrig.rom
5. Addressed.
6. (Rev.3) Provide copy of NW permit. Sec. 17-604 C. Evidence of required permits.
RESPONSE: Confirmation of permit status from USACE engineer has been provided. A permit
is not required to be issued for this site. CWA Section 401 Certification Compliance form has
now been attached for record indicating compliance with NWP 18.
7. Addressed
8. Acknowledged
E. Erosion and Sediment Control Plan (ESCP)
1. Addressed.
2. Acknowledged.
3. Sheet C 10/11—
a. Addressed.
b. Addressed.
c. Addressed.
d. Addressed.
e. Addressed
f. Addressed.
g. Addressed.
h. Addressed.
i. Addressed.
j. Addressed.
4. Sheet C 12, etc
a. Addressed.
b. Addressed.
c. (Rev. 3) Cl 1: Provide diversion (DV) with rock check dams to receiving channel. -
Similar solution in addressing comment If.
RESPONSE:
c. A DV has been added with rock check dams to the start of the receiving channel. The final
grading has also been updated at this location to more clearly show how discharge from the
culvert reaches the existing channel.
5. Addressed.
6. Addressed.
7. Addressed.
8. Addressed.
9. Addressed
912 E. High St.. Charlottesville, VA 22902 1434.227.51401 shlmp-engineenrig.rom
10. Addressed
11. Addressed.
12. Addressed.
If you have any questions or concerns about these revisions, please feel free to contact me at
chris@shimp-en ine eering com or by phone at 434-227-5140.
Regards,
Chris Marshall, EIT
Staff Engineer
Shimp Engineering, P.C.
912 E. High St.. Charlottesville, VA 22902 1434.227.51401 shlmp-engineenrig.rom