HomeMy WebLinkAboutWPO200700080 Review Comments Erosion Control Plan 2008-05-08ALg�,��
�'IRGINZ�
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: WPO- 2007 - 00080, Haden Place, FSP, ESC, SWM and Street Plans
Plan preparer: Mr. Tim Miller, PE, Dominion Development Resources (fax: 434.296.5220)
Owner or rep.: Wendell Gibson, Wendell Gibson, Inc. (fax: unknown)
Date received: 04 October 2007 (plan dated 06 September 2007)
2"d review 14 January 2008
3`a Rev. 7 April 2008
Date of Comment: 18 October 2007
2"d review 15 February 2008
3`d Rev. 7 May 2008
Engineer: Allan Schuck for expedited review
2"d review Max Greene
3`a Rev. Max Greene
The final site plan, E &SC, SWM, and street plans for Haden Place, received on 7 April 2008, have been
reviewed. The plans can be approved after the following changes /corrections.
A. Final site plan:
1. Please provide engineering review with all applicable state and federal permits.
Second time item mentioned. The proposed work in the flood plain requires State and
Federal permits.
3rd Rev. — Please submit a letter of conformation as to the permit requirements of the
Army Corp of Engineers. Please contact Mr. Tucker Smith @
tucker.smith @usace.army.mil for permitting requirements for this project.
2. Please provide offsite easement plats for recordation with the next submittal for the temporary
construction easements as well as any permanent easements for Stormwater Management or
other utilities.
Reminder, Letters of intent for temporary construction required for final approval.
3rd Rev. - Reminder, Letters of intent for temporary construction required for final
approval.
3. Please show the r
The eonneetion between SummerfoM Lane and Haden Way was not appfoved as a pfi
3rd Rev. — Comment appears adequately addressed.
4. Mease show and label eufb and guttef fof the entire alley and the ifttefiof 44fie eifele.
This item appears adequately addressed at this time.
S. Please pfovide it-Aetshaping (IS 1) on all inlets, [DMI
This item appears adequately addressed at this time.
needed to pfeftet the ends of the pipes;
This item appears adequately addressed at this time.
7. Mease f-evise Sheet E 1 to show what aetually exists at the area. [ 18 32.7.41
Seeond time item mentioned. There is an existing dFop inlet fof the basin eonneetion. Th
intem, eetion of jamans Gap Road and Haden Lane has a powef pole and eonerete abutmen
against the asphalt. Feneing and feek outefoppings of dump site afe also pfesent on site.
Please make didity of the plaft;
3rd Rev. - Comment appears adequately addressed.
B Mease lab .
"is item has not been addr-esse
3rd Rev. - Comment appears adequately addressed.
9. Please install inlet and pipe across from STR -26 at interconnection.
Please submit supporting computations for the DI -3C on Summerford Lane.
3rd Rev. - Please submit supporting computations for the DI -3C on Summerford Lane.
10. Label A the final eentew eleva6ens on the grWi-ng plans.
3rd Rev. - Comment appears adequately addressed.
W Label the top and bottom of wall elevations on all sheets.
This item does not appeaf adequately addressed. Mease label the top, and bottom of all wa
that are not pmposed as efte4osed struetufes.
3rd Rev. - Comment appears adequately addressed.
Ij
eoneerns with the retaining wall.
This item no longer required due to voluntary changes to the site grading.
13. Sight distanee needs to be aeeonmiodated on the site plan sheets.
This item appears adequately addressed at this time.
Rease submit a quantity ftw the 3 gallon jSP to be utilized fof low maimenanee vege"on.
3rd Rev. - Comment appears adequately addressed.
15. Mease show that all drainage items afe within "nage easemefits. Mease show on plans,.
This item appears adequately addressed.
16. Measeshow all pfoposed landseaping trees outside of the drainage easemen
This item appears adequately addressed at this time.
17. Measeshow that the easement and pafking agreements fof the pafking lot spaees at Lots 21-
28.
This item appears adequately addressed at this time.
B. Street plan: (SDP- 2007 - 00200)
18. VDOT approval will be needed before final engineering approval can be granted. VDOT
comments have not been received at the time of these comments. [DM]
Same conditions apply for this review.
3rd Rev. - Same conditions apply for this review.
19. Please show all e�dsfiftg eonditions along HWea Lane espeeially the existing eondition"i at the
intmeetion of Haden Lane and jumans Gap. Show the bfidge abutment joeati
Seeond time item mewdoned. Mr. jaek Kelseysaid infeffflation would need to beshown
.
3rd Rev. - Comments appears adequately addressed.
20. Please shew eM required imaqwevements f6f the wideni-ag of Haden Lane.
Seeond time item mentioned. Show how the widening will oeeuf. Will the power pole need
to be moved? Will the existing dfiveways need adjustments due to the widening? Will th
widening due to existing eondifiawq need to he -;hifted to one side to avoid *e
3rd Rev. - Comments appears adequately addressed.
21. Neaseshow the pfofiles fof Haden Lane;
3rd Rev. — Comment appears adequately addressed.
22. Please pf"de guaf"ls pfoteeting 211 slopes along Haden Lane. [DMJ
Seeond time item mentioned. The impfovemems will be designed and eonstrueted to
safisfaetion of the Gotmty Engineer.
3rd Rev. — Comment appears adequately addressed.
This item appean addfessed at this time;
24. Please show and label the available sight distanees on all applieWe plan sheets. [VDOT]
25. Please show all street trees on the fead plan sheets not just on the landseape plan sheets. [DMJ
This eomment has been pa&y addfessed. OrAy street trees afe to beshown on the foad plan
bonding puT
3rd Rev. — Comment appears adequately addressed.
26. Sight distanee needs to be shown and adequately pf"ded on the street plan sheets.
This item appears addressed at this time.
27. On the pfofiles, show and label the s"oning of the s"etms/pipes. [DM]
This item appeaN addfessed at this time-.
28. A Road Bond has not been calculated at this time. Roads will be built or bonded prior to final
plat approvals.
C. Stormwater Management plan: (WPO- 2007 - 00080)
29. Please submit a check to the county for the amount of $6,826.98 for use of the Lickinghole
water quality basin. This will adequately address water quality for this project.
Please note the Lickinghole rate change occurred 12 February 2008 in accordance with
Board Policy.
3rd Rev. — Reminder. Plan approval is not contingent on this payment. However, no
grading permit can be issued until the fees are paid.
This item appears addressed at this time.
31. Please submit signed copy of the Stormwater Maintenance Agreement and $17 fee to the
County.
Reminder, plans cannot be approved until all applicable requirements are adequately
addressed.
3rd Rev. — Reminder, plans cannot be approved until all applicable requirements are
adequately addressed. The information can found at these locations:
http:// www.albemarle.org/upload/images /forms center /departments /community develo
pment /forms /applications /Stormwater Management BMP Facilities Maintenance Agr
eement.pdf and
http: / /www.albemarle.org /upload /images /forms center /departments /community develo
pment /forms /applications /Stormwater Management BMP Facilities Maintenance Agr
eement Procedures.pdf
3. It is u the plan is adequattely addressing
aereage of 0.5 aeres. Please address on next plan wbfnitW.
This item appears addressed at this time.
36". Please eonfifm that the "
will not affeet the stmetufal integfity of the fisef unit-.
This itefa appears addressed at this time.
fequifed gfading fef the spillway on the plan sheets-.
Detail will need to be eoffeeted to ftwateh pfoposed eonstrdetion and the fisef will be desiped
Envu
Basin. in aeeoManee with VESC14 3.14, Tempofafy Sediment
3rd Rev. — Item addressed in meeting
35. Please provide a mitigation plan for the stream buffer disturbance associated with the pipe
construction shown to Powell's Creek.
This comment has not been adequately addressed. Please submit application, fee and
associated plan for review.
3rd Rev. — Comments remains unaddressed. No mitigation plan has been submitted for
approval. The following is a list of deficiencies for mitigation approval:
1. The stream buffer and the floodplain have not been illustrated on the plan
2. Proposed impacts have not been illustrated or quantified.
3. No proposed impacts have yet been authorized by the County
4. Mitigation by payment can only be pursued after on -site (or on properties
associated with the overall project) mitigation options have been exhausted, and only
after approval by the County.
5. Any fill in the floodplain will require a Special Use permit.
Please contact Tamara Ambler for clarification on this important issue.
36. Please show the downstream gfading at 311 at the dant.
This item appewm addressed at this fime-.
37. Please pf"de a gfaded aeeess path to lower- basin within the aeeess easement. Show
gfade along this road exeeed 10%, please provide a gnwel sur&ee of anothef appropfi:
stabilization memitre. The County will not approve an aeeess fead gfeatff than 20%.
This item appewm addressed at this time,
Seeond time item mewdoned;
Addressed in meeting
', item appears addressed at this time.
40. The SWM portion of the Water Protection Bond has not been computed at this time.
D. Erosion and Sediment Control plan: (WPO- 2007 - 00080)
_annel
Standard 191
3rd Rev. — Item appears addressed.
42. Please plaee a note on all ESG plan sheets that states "
until approved VDOT impfovemems are done at the inter-seetion of Killdeef Lane and jaman
Gap" "m ®a Woffer #3.
This item appears adequately addressed at this tune.
43. Please fevise the sequenee of eons"etion to mateh the plan sheets. More infomation n
to be pmvided. P�ESCHI
3rd Rev. — Item appears addressed.
This item appears adequately addressed at this time.
45. Please show ESC measums f6f the Haden Plaee widening. [ 17 3121
Seeond tifft Am mentioned
3rd Rev. — Item appears addressed.
This item appears adequately addressed at this time.
This item appears adequately addressed at this time.
48. On phase 2, how does the DD funetion when the street is eonstmeted to Summeffonl
This item appears adequately addressed at this time.
49. Please pf"de size, pfoffles, ... .
This item appears adequately addressed at this time.
50. Please pf"de the standafd detail for TP on the ESC plans;
This item appears adequately addressed at this time.
51. Show 1P on all drop inlets;
This item appears adequately addressed at this time.
52. Please provide all required information for the sediment basin. [ VESCH]
Basin design does not appear to meet the minimum requirements for Sediment basins;
3.14 VESCH
3rd Rev. — Sediment Basin design detail on page 26 of 27 does not appear correct. The
dewatering orifice is shown as the top of the dewatering snout. The dewatering orifice is
the 675.1 elevation, or the top of the wet storage and the beginning elevation of the
perforated pipe /dewatering snout. The SWM basin shows an orifice at elevation 674.6
and could be utilized for the dewatering orifice if a solid pipe is shown installed up to the
675.1 elevation before becoming a perforated snout. The solid pipe will be the same
diameter as the dewatering orifice. Top of dam is shown as 10' for the Sediment basin
and 8' for the SWM. Top of dam should be 10' wide for access to the riser structure.
53. Please show the gfading fof the mquiredspillway,
An ewtergeney spillway is shown in the di- '-
3rd Rev. — Item appears addressed by removing the emergency spillway from the detail.
This item appears adequately addressed at this time.
55. Just a reminder, DCR is enforcing the VSMP General Permit Registration Statement. Please
contact Mr. Matthew Grant, DCR, at 804.225.3068 for more information. This does not affect
your review /approval of this plan.
Reminder
56. The ESC portion of the Water Protection Bond has not been computed at this time.
Engineering review staff is available from 2 -4 PM on Thursdays to discuss these review comments. Please
contact an engineering reviewer at 296 -5832, to schedule an appointment.
File: E2_esc &swm &fsp_MRG_07 -080 Haden Place.doc