HomeMy WebLinkAboutSUB201500044 Review Comments Preliminary Plat 2015-04-30 (3)pF A
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COUNTY OF ALBEMARLE
Department of Community Development
401 McIntire Road, Room 227
Charlottesville, Virginia 22902 -4596
Phone (434) 296 -5832 Fax (434) 972 -4126
Project: Riverview, Preliminary Plat
Plan coordinator: Christopher Perez
Plat /Plan preparer: Roger W. Ray & Assoc. Inc (Brian Ray), 1717 -1B Allied St, Charlottesville, VA
22903, rwrinc(a)earthlink.net; SW Quality Conceptual Plan- Justin Shimp, Shimp
Engineering PC, 201 E. Main St., Suite M, Charlottesville, VA 22902
f iustin(a)shimp- engineering com]
Owner or rep.: Barbara Joynt, c/o Barrick & Deinlein, PLC, 600 Peter Jefferson Parkway, Suite
130, Charlottesville, VA 22911. Gary Gillum Woodson, c/o Cunningham &
Drewry, 105 Archway Court, Lynchburg, VA 24502
Plan received date: 26 Mar 2015
Date of comments: 30 Apr 2015
Reviewer: John Anderson
Preliminary Plat (SUB201500044)
(A plat is a record of property division or reservation. Code Chapter 14)
Sheet I
1.
2.
3.
100 year flood plain & stream buffer (labels) appears to indicate identical flood plain and stream buffer
limits. This is not the case (ref. GIS). Label flood plain, stream buffer, and dam break inundation zone
separately, as was done on sheet 2 (image).
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Note 24 — Please specify ownership of Special Lots A & B.
Note 21 — Reference Article IV (formerly, III) of the comprehensive water resource ordinance, Chapter 17.
Show (or at least note) private drainage easements for proposed stormwater biofilters, beyond public RW.
Estimate ADT: Typical section pavement design appears adequate. Design is adequate for ADT =70 vpd.
As discussed 5 -Jan, to confirm: final plat approval requires approved road plan, approved WPONSMP
Application (01 -05 -15 email /J. Anderson).
Label Riverview Drive as public RW.
Sheets 1/2 —Label /show sq. ft. for each of several areas shown as Mitigation Areas. Areas should match
total reported in Stormwater Quality Conceptual Plan/Mar.16.15 /Shimp Engineering, 68,785 SF.
Sheets 1/2 — Provide off - street SWM facility Access for each SWM facility; 10' wide access, ditchline culv.
Engineering Review Comments
Page 2 of 2
A service vehicle must be able to park beyond shoulder /ditch of Riverview Drive.
10. Sheet 2 —Show (or note) private drainage easement for proposed detention pond, beyond public RW.
SW Quality Conceptual Plan:
11. Channel and Flood protection table, VaRRM .xls: Cannot evaluate table data for compliance with 9VAC25-
80-66. Furnish data required to evaluate statements in last two sentences, first paragraph, Plan cover letter.
Provide preliminary energy balance even if final numbers change somewhat.
12. Revise Drainage Area B Summary table so that % of Total figures total 100 (DA A Summary % of Total
column figures total 100):
Drainage Area B Summary
Land Cover Summary
1.441
13. Ref. VA DEQ Stormwater Design Specification No. 9 —Rain Garden CDA (Max.) =0.5 Ac. Use Table 9.3
for bioretention filter and basin design criteria for CDA > 0.5 Ac.
Thank you.
Please call if any questions.
Sincerely, John Anderson
ACCD — 434.296 -5832 ext 3069
SUB201500044- Riverview PPT 043015
ASOils
usoils
csoils
OSoils
Total
%of Total
Forest (acre s)
0.00
0.00
0.00
0.0
0.00
0.00
Turf (acres)
0.00
1.10
0.00
0.00
1.10
7639
Impervious (acres}
0.00
0.34
0.00
0.00
0.34
23.61
1.441
13. Ref. VA DEQ Stormwater Design Specification No. 9 —Rain Garden CDA (Max.) =0.5 Ac. Use Table 9.3
for bioretention filter and basin design criteria for CDA > 0.5 Ac.
Thank you.
Please call if any questions.
Sincerely, John Anderson
ACCD — 434.296 -5832 ext 3069
SUB201500044- Riverview PPT 043015