20170194 Ver 1_More Info Received - Email_20170331

Burdette, Jennifer a
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Good morning Jennifer,
[e-mail]
Friday, March 31, 2017 9:59 AM
Burclette, Jennifer a
RE: KARTS #17-0194
The main reason that the wash bay and parking areas that will result in the proposed stream impacts cannot be shifted or
relocated to the southeast corner of the property is due to site topography and elevations. As the contours line show,
there is substantial fall across the site and the southeastern corner is some of the lowest areas on the site. Shifting some
of the site development to that southeastern corner of the site would require substantial, prohibitively expensive grading
work to level off, and would result in larger fill slopes requiring additional stream impacts. In order to avoid additional
stream impacts, large retaining walls would be necessary that again would be prohibitively expensive for this project. In
addition to the grading and site work, shifting some of the site development southeast would not be practical due to the
design of the site for bus traffic. After taking the required powerline easement setback, the usable portion of the
southeastern corner would result in a narrowed site layout that prohibitively restricts bus access to the wash bay and
parking areas.
During the design of the project, the layout of the site was shifted as far north towards Ross Mill Road as possible to avoid
stream impacts to the extent practical, and large, steep fill slopes are proposed in order to minimize the stream impact as
much as possible. Parking and concrete areas were also reduced from the initial design to the current proposed plan in
order to build a smaller site and further minimize impacts to the stream in the site.
After working with the site constraints imposed by the topography of the site and taking into account the necessary site
access requirements for bus traffic and the required property setbacks, the design proposed results in the least
environmentally damaging practical alternative. Let me know if you have any questions on any of the above, or if you
need any other documentation to assist in processing the 401 application request.
Sincerely,
Jason Hartshorn, PWS
Kimley-Horn 1421 Fayetteville Street, Suite 600, Raleigh, NC 27601
Direct: 919 678 4155 1 Mobile: [phone]
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From: Burclette, Jennifer a [mailto:[e-mail]]
Sent: Thursday, March 23, 2017 7:34 AM
To: Hartshorn, Jason <[e-mail]>
Subject: KARTS #17-0194
Jason,
I am reviewing the subject project application for a 401 WQC and have a question.
From the site plan, it appears that impact to the stream channel could be avoided if the wash bay and some
parking were moved to the upland area located in the southeast corner of the property. Please revise the site
plan to avoid this impact or explain why this would not be a practical alternative.

Thanks
Jennifer
Jennifer Burdette
401/BufferCoordinotor
Division ofWater Resources -4O1 & Buffer Permitting Branch
Department ofEnvironmental Quality
Q1Q8O76364office
1617Mail Service Center
Raleigh, NC 27699-1617
(Physical Address: 5Y2/KSalisbury St, Raleigh, NC27604-9th FIrArchdale Bldg — Room 042F)
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