HomeMy WebLinkAboutSDP200800086 Review Comments Waiver, variation or substitution requirement 2008-10-13From: Amy Pflaum
Sent: Monday, October 13, 2008 4:18 PM
To: Judith Wiegand
Subject: FW: Willow Glen variations
Attachments: Willow Glen Variations Requested.htm; Willow Glen variation
requests.htm
Hi Judy,
Regarding the 4 variation requests that require input from the engineering staff
I have the following response:
Second, the County engineer has raised questions about four other proposed
changes:
a. On the northwest boundary of the property off of Road "E" (shown as
Trudeau Court on the proposed Site Plan), the Applicant would like to remove one
of the three proposed buildings (labeled F) which contains 16 dwelling units. In
place of the deleted building, the Applicant will increase the size of "The
Quad" green space and add additional parking spaces. The Applicant will also be
removing the parking area shown on the Application Plan to the east (between the
remaining two buildings and the Deerwood Neighborhood). The other two buildings
in this area will remain (these buildings are shown as buildings E and F on the
Site Plan) although the number of units in each will increase from 10 to 12.
The County engineer indicates that the turnraround on Trudeau Court is not
adequate. It needs to be adjusted.
The Final Site Plan has not been resubmitted since the first review, engineering
has not yet been able to determine if this comment has been addressed.
h. Remove the small pond (considered to be a "forebay ") shown on the
Application Plan west of Road "D" /Shannon Glen Court.
The County Engineer states that removal of this pond on the west side of Shannon
Glen Court (Road D) appears problematic. It appears to leave this drainage area
with a 'bio- Swale' instead of the pond in the original rezoning. Such a swale is
not equivalent, as the swale is likely to have more maintenance and design
issues, it may be difficult to get adequate bottom width, and it will have lot-
to -lot maintenance, easement, and drainage problems. The area in which the swale
is proposed is expected to be an area for residents' storage, landscaping,
decks, patios, and so on.
See "n" below.
i. Decrease the size of the larger pond in the southeastern area of the
project to preserve the existing stream channel.
The County Engineer states that the reduction in size of the primary stormwater
pond must be evaluated in more detail with the final WPO plan. It is not clear
that this change is equivalent to the size pond that was approved with the
rezoning.
See "n" below.
n. Add a small pond between Road "D" /Shannon Glen Court and the end of
Road "G " /Tempelhof Court to accommodate the stormwater on the south side of the
project area.
The County Engineer states that the proposed additional bio- detention pond
appears redundant. It is close enough to units to have maintenance issues and
this area drains to the larger pond anyway. This significantly reduces the value
of the additional pond.
Current Development Engineering staff has been working with the applicant and
reviewing the proposed stormwater management plan for the development.
Engineering is comfortable that the applicant is meeting the requirements of the
Water Protection Ordinance and the level of stormwater detention and treatment
is in line with what was proposed with the ZMA plan.
From: Glenn Brooks
Sent: Monday, October 13, 2008 11:09 AM
To: Amy Pflaum
Subject: Willow Glen variations
Here are two e- mails. One is my response to Judy. The other is Judy's response
passed to the applicant.
Glenn Brooks, P.E.
County Engineer
Albemarle County