HomeMy WebLinkAboutSDP201800049 Review Comments Final Site Plan and Comps. 2019-12-06County of Albemarle
Department of Community Development
Memorandum
To:
Cameron Langille
From:
Emily Cox
Date:
15 Aug 2018
Rev. 1 Date:
6 Nov 2018
Rev. 2 Date:
10 May 2019
Rev. 3 Date:
06 Dec 2019
Subject:
Brookhill Block 3 (Ice Rink) — (SDP201800049)
Revision 1 of the final site plan for Brookhill — Block 3 (Ice Rink) has been reviewed by Engineering. The
following comments will need to be addressed before approval:
1. WPO Plan must be approved before final site plan can be approved. Rev. 1: Comment
not addressed. Rev. 2: Comment not addressed. WP0201800050 must be
approved. Rev. 3: Comment not addressed.
2. Road Plan must be approved before final site plan can be approved. Rev. 1: Comment
not addressed. Rev. 2: Comment not addressed SUB201800115 must be approved.
Rev. 3: Comment not addressed.
3. VDOT approval is necessary before site plan can be approved. Rev. 1: Comment not
addressed. Rev. 2: Comment not addressed. Rev. 3: Comment not addressed.
4. Show steep slopes on all applicable sheets. It is unclear if there are any in this area. Rev.
1: Comment addressed.
5. Consider adding site plan Ws to sheet C-107. Rev. 1: Comment addressed.
6. Add approved plan # that created the SWM access road to the existing SWM access road
label. Rev. 1: Comment addressed.
7. Sheet C-201 shows the proposed road 113, however this is the existing conditions sheet.
Please revise or put a note explaining as this road is not existing conditions on site. Rev.
1: Comment addressed.
8. Sheet C-301 shows structures, but not pipes. Please show entire storm network, or remove
the structures from this sheet. Rev. 1: Comment not addressed. If needed, use
grayscale for pipes. Easements are shown with no pipes. Rev. 2: Comment addressed.
9. Consider adding road plan # where "another cover" is referenced. Rev. 1: Comment
addressed.
10. Topography should be field verified within the last year. Provide the date on the cover
sheet. Rev. 1: Comment addressed.
11. Provide cross section and calculations for the ditch to Sir A03 shown on Sheet C-401.
Rev. 1: Please provide drainage divides for the ditch calculations. Rev. 2: Comment
addressed.
12. Provide drainage divides to go along with the storm drain calculations. Rev. 1: Please
remove all references for E&S measures on this page. (C-800) Rev. 2: Comment
addressed.
13. Provide VDOT form LD-347 for the HGL calculations. It appears the HGL calculations
Engineering Review Comments
Page 2 of 2
provided are slightly different. Rev. 1: Comment addressed.
14. Please explain the headwater computations. The WSE elevation is shown at the rim
elevation? Rev. 1: The WSE appears to be above the rims? Please explain. Rev. 2:
Rev. 2: Comment addressed.
15. The velocity from A2 to Al is very high. Per VDOT drainage manual section 9.4.8.7,
velocities should be kept to 10 ft/s if possible. Rev. 1: Albemarle County Engineering is
allowing 15 ft/s as the maximum velocity in storm drain. Rev. 2: comment
addressed.
16. Ensure drainage easements meet the requirements in the design standards manual, page
15. Show the calculation. Also, why does the proposed storm easement stop at structure
A04?
htip://www.albemarle.org/upload/images/fonns_center/departments/community developm
ent/forms/design standards manual/Albemarle County Design_ Standards_ Manual_2015
-04-25_draft.pdf Rev. 1: Comment addressed.
17. Label all entrances with a VDOT designation (CG-9a, etc). Rev. 1: Comment addressed.
18. Why is the western side of the parking area not curbed? Also, why is there not a curbed
island at the end of the parking? (edge of pavement and striping is shown.) Rev. 1:
Comment addressed.
19. Provide sight distance lines or profiles. Rev. 1: Please clarify which sheet shows the
sight distance lines/profiles. Rev. 2: Comment addressed.
20. Rev. 1: [Sheet C-2011 Provide DB & PG for all easements. Rev. 2: Some are labeled
as existing. If they are existing, they should have a DB & PG. Rev. 3: Comment still
valid. Plats are currently under review.
21. Rev. 1: [Sheet C-2011 Provide legend or definition for all abbreviations (ex: TBV,
TBR) Rev. 2: Comment addressed.
22. Rev. 1: [Sheet C-2011 In the overall keymap, note, 2, please remove the date for the
plans. Rev. 2: Comment addressed.
23. Rev. 1: [Sheet C-8001 Ensure all storm structures are labeled ( It appears A08 and
A09 were missing?). Rev. 2: Comment addressed.
24. Rev. 1: [Sheet C-8031 In the note, reference the SUB number for the plan, not just
the plan name. Rev. 2: Comment addressed.
25. Rev. 1: [Sheet C-3011 Who will maintain the access road that is offsite? Easement
for this access must be recorded before plan approval. Rev. 2: Comment not
addressed. What is the SUB # showing this easement? Rev. 3: Comment still valid.
Plats are currently under review.
26. Rev. 1: [Sheet C-401] Please clarify the grading around storm A03. Is this an existing
pond or storm facility? Rev. 2: Where will the swale outfall once the trap is
removed? Rev. 3: Comment addressed. Swale drains to A3 and those pipes go to the
pond.