HomeMy WebLinkAboutWPO201900062 Review Comments WPO VSMP 2021-09-07�r County of Albemarle
m COMMUNITY DEVELOPMENT DEPARTMENT
VSMP Permit Plan Review
Project title: Southwood Village — Amendment 1
Project file number: WPO-2019-00062
Plan preparer: Timmons Group
Clint Shifflett [clint.shifflett@timmons.com]
Owner or rep.: Charlottesville Habitat for Humanity
Andrew Vinisky[avinisky@cvillehabitat.org]
Plan received date: 19 March 2021
(Rev. 1)
(Rev. 2)
Date of comments:
(Rev. 1)
(Rev. 2)
Reviewer:
8 June 2021
2 August 2021
3 May 2021
22 July 2021
7 September 2021
Matt Wentland
401 McIntire Road, North Wing
Charlottesville, VA 22902-4579
Telephone:434-296-5832
WWW.ALBEMARLE.ORG
County Code section 17-410 and Virginia Code §62.1-44.15:34 requires the VSMP authority to
act on any VSMP permit by issuing a project approval or denial. This project is denied. The
rationale is given in the comments below. The VSMP application content requirements can be
found in County Code section 17-401.
A. Stormwater Pollution Prevention Plan (SWPPP)
The SWPPP content requirements can be found in County Code section 17-405. A SWPPP must
contain (1) a PPP, (2) an ESCP, (3) a SWMP, and (4) any TMDL measures necessary.
1. Update the on -site SWPPP with this amendment once approved. (Rev. 1) Response
noted.
B. Pollution Prevention Plan (PPP)
The PPP content requirements can be found in County Code section 17-404.
1. Update the on -site PPP with this amendment once approved. (Rev. 1) Response noted.
C. Stormwater Management Plan (SWMP)
VSMP Regulation 9VAC25-870-108 requires the VSMP authority to approve or disapprove a
SWMP. This plan is disapproved, and the reasons are provided in the comments below. The
stormwater management plan content requirements can be found in County Code section 17-
403.
This plan cannot be approved until the additional 0.48 Ib/yr of nutrient credits have been
purchased. Please contact Ana Kilmer prior to purchasing credits. Once the total load
Engineering Review Comments
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reduction required reaches 10 Ib/yr, between this project and all others on the property,
75% of the reductions will need to be achieved on -site (9VAC25-870-69(B)3). DEQ has
also updated their credit purchasing requirements, located in 9VAC25-900-91(B)3. Since
this project drains to impacted streams, the credits will need to be purchased from a
bank located in the same 8-digit HUC. The process goes upstream, then HUC12, HUC10,
and HUC8, at which point the Ivy Creek credit bank is in the same HUC8. The credits will
need to be purchased from the Ivy Creek bank unless you have a Letter of Credit
Availability dated prior to January 1, 2021. (Rev. 1) Response noted.
2. The maximum side slopes allowed by the County inside a basin is 3:1. (Rev. 1) Comment
partially addressed. The max height of retaining walls per the Code of
Development is 6'. (Rev. 2) Comment addressed.
3. Provide details for the retaining wall located in the stormwater basin. Show the TW and
BW and note whether the wall is below the water level during design storms. (Rev. 1)
Since the wall will be partially submerged, provide stamped wall plans showing this
in the design. (Rev. 2) Comment addressed.
4. Provide fence and or railing around the proposed pond, as it is located close to
backyards and adjacent to the proposed trail. (Rev. 1) Comment addressed.
5. Update the bioretention details on sheet C6.01. The forebay in bioretention 1 also
appears to be too small. (Rev. 1) Comment addressed.
6. The post-dev drainage area map on C6.00 appears to be incorrect. It shows the DA to
structure 302 going to bioretention 1, however 302 goes to bioretention 2. It also shows
the drainage from the southern half of Wardell Crest going to bioretention 1, but the
pipe system bypasses the bioretention. Please verify and correct as needed. (Rev. 1)
Comment addressed.
7. Update the water quality narrative in the calculations package. (Rev. 1) Comment
addressed.
8. Per the Code of Development, residential lots are to be located outside of stream
buffers, preserved slopes, and floodplains. Several lots on Wardell Crest will need to be
revised. (Rev. 1) Comment partially addressed. The exhibit for the preserved slopes
as discussed with the site plan will need to be submitted and approved before this
plan is approved and disturbance is allowed in those areas. (Rev. 2) Comment
addressed.
9. Detail how the roof drain discharge will be handled on the backs of the lots. A
concentrated flow to steep slopes is not recommended. (Rev. 1) Comment addressed.
D. Erosion and Sediment Control Plan (ESCP)
Virginia Code §62.1-44.15:55 requires the VESCP authority to approve or disapprove an ESCP.
This plan is approved, and the reasons are provided in the comments below. The erosion control
plan content requirements can be found in County Code section 17-402.
1. The match lines between sheets do not appear to match. Portions of SB1 are not shown.
(Rev. 1) Comment not addressed. Please refer to SB1 on sheets 3.03 and 3.05,
where portions of the grading, labelling, and limits of disturbance are cut off at the
top of the sheet. (Rev. 2) Comment addressed.
Engineering Review Comments
Page 3 of 4
The VSMP permit application and all plans may be resubmitted for approval when all comments
have been satisfactorily addressed. For re -submittals please provide 2 copies of the complete
permit package with a completed application form.
Engineering plan review staff are available from 2-4 PM on Thursdays, should you require a
meeting to discuss this review.
Process:
After approval, erosion and sediment control and stormwater management improvements must
be bonded. The bonding process begins when the plan is approved, and the applicant submits a
bond estimate request form and fee to the Department of Community Development. A plan
reviewer will prepare estimates and check parcel and easement information based on the
approved plans. The County's Management Analyst will prepare bond agreement forms, which
will need to be completed by the owner and submitted along with cash, certificates or sureties
for the amounts specified. The agreements will need to be approved and signed by the County
Attorney and County Engineer. This may take 2-4 weeks to obtain all the correct signatures and
forms.
Stormwater Management Facilities Maintenance agreements will also need to be completed and
recorded. The County's Management Analyst or other staff will prepare the forms and check for
ownership and signature information. The completed forms will need to be submitted to the
County, who will record the agreement.
After bonding and agreements are complete, county staff enters project information in a DEQ
database for state application processing, if a DEQ permit is required. DEQ reviews the
application information based on local VSMP authority approval. At this time, the DEQ portion
of the application fees will need to be paid directly to the state. For fastest processing, this is
done electronically with the emails provided on the application. DEQ should notify applicants
with instructions on how to pay fees. When DEQ approves the application, they will issue a
permit coverage letter, which must be posted at the construction site.
After DEQ coverage is issued, via the coverage letter, the County can hold a pre -construction
conference. Applicants must complete the request for a pre -construction conference form and
pay the remainder of the application fee. The form identifies the contractor and responsible land
disturber, and the fee remaining to be paid. This will be checked by county staff, and upon
approval, a pre -construction conference will be scheduled with the County inspector. At the pre-
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construction conference, should everything proceed satisfactorily, ajoint VSMP and grading
permit will be issued by the County so that work may begin.
County forms can be found on the county website forms center under engineering;
https://www.albemarle.org/government/com m u n ity-development/api2ly-for/engineering-applications
File: WPO201900062 Southwood Village Amendment 1 rev2 review comments 09-07-21.docx