HomeMy WebLinkAboutSDP201800020 Review Comments Initial Site Plan 2018-05-23COUNTY OF ALBEMARLE
Department of Community Development
401 McIntire Road, Room 227
Charlottesville, Virginia 22902-4596
Phone (434) 296-5832 Fax (434) 972-4126
Initial Site Plan
Project: Caliber Collision — ISP
Project File Number: SDP201800020
Plan preparer: Freeland and Kauffman, Inc. [bhutchinsonkfk-inc.com ; tburnett=,fk-inc.com
Owner or rep.: Ludwig Kuttner, P.O. Box 359, Keene, VA 22946
[lkuttnerna,hampshireinvest.com ]
Plan received date: 19 April 2018
Date of comments: 23 May 2018
Reviewer: John Anderson
Plan Coordinator: Paty Saternye
Engineering review comments:
General (items 1-7):
1. Since Applicant will provide a stand-alone VSMP plan set, remove sheets 4, 5, 6, 7, and 17 only from the
Final Site Plan. See VSMP plan review comments, WP0201800026, Caliber Collision VSMP, sent via
email (5/23/2018 8:50 AM), for requested revisions to VSMP Plan submittal.
2. Sheets 2, 8, and 16:
a. Provide additional contour labels;
b. Show /shade preserved steep slopes;
c. Show FEMA floodplain boundary;
d. Approximate existing tree line.
3. Provide /record permanent drainage easement extending from SWM facility easement, to include pipes
through Str. 9, and from Str. 9 to Moores Creek, prior to Final Site Plan (or VSMP Plan) approval.
4. Provide SWM facility access and maintenance easement (plat), and recorded SWM Maintenance
Agreement for dry pond /detention basin with access extending to Avon Street Extended, prior to Final Site
Plan (or VSMP Plan) approval.
5. Septic Field design requires VDH approval. Albemarle County does not coordinate VDH approval.
Applicant is urged to coordinate septic design review and approval with VDH as soon as possible.
6. Albemarle County Engineering Division does not review, approve or warranty private landscape irrigation
systems, though the system may be reviewed with building permit application.
7. Adopt VDOT nomenclature, for example DI-2A instead of double combination inlet, if DI-2A intended
(sheet 18).
8. Title sheet —revise Vicinity Map.
9. Sheet 6: Provide PCE Detail —link: Albemarle County Design Standards Manual,.88:
htt)://www.albemarle.org/uDload/images/forms center/departments/communitv develonment/formS/design stan
dards_manual/Albemarle _ County Design Standards _Manual _2015-04-25_draft.pdf )
10. Sheet 8 (for Final Site Plan approval)
a. Dimension island (radii /etc.) at entrance from Avon Street Ext.
b. Please show storm lines pipes on this sheet, in addition to sheet 16.
c. Eliminate keynotes 0, W. These curb types do not appear to match VDOT standards.
Engineering Review Comments
Page 2 of 3
d. Label and provide dimension for walkway fronting Avon Street Ext., if walkway proposed.
e. Provide Note that dry pond will be posted: `No Trespassing; occasional drowning hazard,' since
sump depth during 10-yr event may approach 6.46'.
f. Provide several entrance width dimensions that can be easily correlated to sidewalk, face of island,
west /interior end of island, etc.
g. Provide (with Final Site Plan) VDOT GC-12 label for ramp N of entrance.
h. Show SWM facility maintenance, access, and drainage easements, with deed book -page reference.
11. Sheet 9
a. Recommend Wood Privacy Fence detail show posts set in continuous CIP wall.
b. Sidewalk Ramp Detail: Include detectable surface.
c. Wall Flume Detail: provide flume outfall protection detail; dimension riprap /provide 2-year
velocity calculations for concrete flume.
d. Recommend consider (flume) expansion joint spacing of less than every ninety (90) feet.
e. Handrail Detail: some text is unreadable; provide legible detail.
12. Sheet 10: Delete Type `A' C&G and `G' curb detail; use VDOT standards; provide VDOT CG-7 detail.
13. Sheet 16:
a. Provide asphalt or concrete curb upslope of dumpster enclosure to prevent cross -lot drainage
entering enclosure and picking up contaminants. With curb design, ensure positive drainage to
avoid trapped or standing water.
b. Show 4' wall flume outfall protection (riprap; 2-year velocity)
14. Sheet 18:
a. Line 1, 2: Revise F.E.S. to read Flared End Section, if flared end section specified.
b. Show riprap (outfall protection) in storm drain profiles.
c. Storm Drain Line 1: Recommend VDOT nomenclature; DI-2A, for example.
15. Sheet 19
a. Trash Rack Detail: Recommend show anti -vortex device dimensions, or provide note and
description of Anti -vortex device with this detail.
b. Trash Rack Detail: Provide and show manway access via trash rack to detention pond riser, for
periodic maintenance inspection.
c. Energy Dissipator Detail: Specify outfall protection riprap stone size.
d. Energy Dissipator Detail: Confirm 12" PVC pipe sleeve drain diameter is accurate.
16. Sheet 20: Ensure plantings (6 AB; 12 NPH) at NE corner of building do not impede 100' sight distance for
vehicles entering /exiting parking area. Consider pedestrian conflicts.
17. CIP1:Albemarle County (Building) Code Official: "State building code requires building permits when the
wall retains three or more feet of unbalanced fill. We, the bldg. dept require engineered design when that wall
is 4 or more feet in addition to a building permit." Engineering recommends (CIP1-CIP3):
a. Coordinate building permit for retaining walls with Community Development, Building
Inspections Division.
b. Cast -in -Place Concrete Retaining Wall, Note (#):
i. (11.) Extend sentence, Add, `prior to pouring concrete, and reports shall be provided to
County Building Inspections.'
ii. (14.) Extend sentence, Add, `Footing elevations shall be adjusted as required, and footing
inspection reports shall be provided to County Building Inspections.'
iii. (17.) Add sentence: `Coordinate any deviation in design with Albemarle County Building
Inspections Division.'
iv. Provide Note: Contractor to coordinate /notify County Building Inspections of critical
inspection or construction milestones, and call for building inspections of Retaining Wall
—Inspection Request Tel: 434.972-4179.
v. Provide Note stating requirement for building permit for retaining walls four (4) feet or
more in height.
c. CIP2 Wall C Profile (handrail): Ensure proposed handrail meets UBC and ADA guidelines.
Engineering Review Comments
Page 3 of 3
d. CIP3. Typ. CIP Cross -Section: Show wall foundation bedding (material /compaction, etc.).
e. CIP3. Typ. CIP Cross -Section: Clarify whether Contractor (if Other, identify other) is responsible
for handrail installation atop CIP Wall `C'. 8-Line Note (disclaimer) near top of typical cross-
section is ambiguous. Clarify CIP Wall `C' will receive handrail prior to Applicant receiving a
Certificate of Occupancy (as condition of receiving CO).
18. Roadway Improvement Plans (RI-R13):
a. Requires VDOT Approval.
b. Check Pavement Design (R2/ISP sheet 2): Show calculations, D, DP. Formula yields D,=20.69;
Dp=18.975. Revise Dp to provide > Dr. Feel free to call reviewer to discuss. (Base calculations on
VDOT Pavement Design Guide for Subdivision and Secondary Roads in Virginia, rev. Feb 2014).
c. Formula (ADT=5,500; SSV =4):
The nomograph depicted correlates the soil support value of the subgrade (SSV = Design CBR x RF), the
traffic volume (Design AADT), and the minimum required pavement design thickness index (DR) for
subdivision streets and secondary road pavement, based on AASHO design equations. The equation on
which the nomograph is based is: DR = 3.48Ln (AADT) — 1.48Ln (SSV) - 7.23, where Ln is the natural
logarithm. This nomograph assumes the following:
19. Provide plan sheet with accurate scale (similar to RP sheet 4) that shows positioning of MUTCD traffic
controls with locations, and spacing distances. Sheet TC-3 cannot be used to easily or clearly evaluate work
zone traffic control protection set-up.
20. EC-OA: Provide paved construction entrance with wash rack detail (PCE); link, ACDSM, pg. 8:
http://www.albemarle.orgLupload/images/forms_center/departments/community development/forms/design stan
dards_manual/Albemarle _ County Design Standards _Manual _2015-04-25_draft.pdf
Engineering plan review staff is also available from 2-4 PM on Thursdays, should you require a meeting to discuss this
review.
Ifyou have any questions or concerns, please contact me either by email (jandersonn2galbemarle.org) or by
phone at 434.296-5832 ext. 3069.
Thank you
J. Anderson, Engineering Division
SDP201800020 Caliber Collision ISP 2018-05-23.doc