HomeMy WebLinkAboutWPO200800092 Review Comments Mitigation Plan 2008-09-22From: Amy Pflaum
Sent: Monday, September 22, 2008 10:32 AM
To: 'kpc7s @virginia.edu'
Subject: FW: Stream Buffer mitigation for driveway - TMP 95 -5 Lots 6 & 7
Attachments: Planting_Details _ and_Plant_Lists.pdf; Notice to Building Permit
Applicants in the Rural Areas 24 Mar 2008.pdf
Mrs. Cottrill,
Please see the email below for the planting recommendations, you are correct
that 90 plants are required.
With this email the County is approving your request to develop in a stream
buffer (application #WPO200800092) and all engineering concerns have been
addressed on your subdivision plat (application #SUB200800116).
When building permits are requested on these sites, the County will require a
Critical Resources Plan (please see the attached Notice). Upon submitting the
CRP, please note that the stream buffer disturbance was approved with the above
application numbers.
Thank you,
Amy D. Pflaum
Senior Civil Engineer
Albemarle County Department of Community Development
(434) 296 -5832 x3069
apflaum @albemarle.org
Ms. Pfaum,
Three people from the county were at our property on Friday. My husband met
with them and they stated that all they were recommending was planting 90 fern
type plants. Before I order these plants would you please let me know if this
is accurate.
Thank you,
Kim Cottrill
From: Tamara Ambler [mailto:tambler @rivanna.org]
Sent: Friday, September 19, 2008 3:43 PM
To: Ashley Studholme
Cc: Amy Pflaum
Subject: Stream Buffer mitigation for driveway - TMP 95 -5 Lots 6 & 7
Ashley,
At the County's request I am offering the following observations and
recommendations for stream buffer mitigation on the above referenced property.
A driveway has been installed to serve the two lots and crosses an intermittent
stream. The crossing has been in place for several months at least, and is
stabilized. The impact area of the driveway was measured in the field to be
approximately 12,000 square feet. Using one option within the Albemarle County
Design Standards Manual criteria, the mitigation for this area of impact would
be to plant a total of 90 new plants within the buffer area (30 canopy trees, 30
understory trees, 30 shrubs or groundcover plants).
The existing conditions of the buffer were reviewed in the field and consist of
a canopy layer of mature poplar and oaks. The understory layer is sparse, and
there is no shrub layer. A thick layer of leaf litter stabilizes the majority
of the forest floor, although some areas of sheet flow are evident from
displaced debris. Since the canopy and understory layers are adequate within
the existing buffer, I recommend that the 90 new plants be a combination of
shrubs and groundcover plants, with the species to be selected at the
landowner's discretion. There is adequate area within the buffer on the forest
floor to accommodate these plantings. I have attached a listing of plants that
could be helpful in selection. The property owners may also plant more sunlight
tolerant species on the fill slopes of the actual stream crossing. These
plantings would filter sheet flows down the slopes, and can also be attractive
landscaping.
I hope this information is helpful - please advise if I can be of further
assistance.
Tamara
Tamara Jo Ambler, CPESC
Water Resources Manager
Rivanna Water and Sewer Authority
695 Moores Creek Lane
Charlottesville, VA 22902 -9016
(434) 977 -2970 Ext. 197
FAX (434) 293 -8858