20120396 Ver 1_More Info Received_20130104

Homewood, Sue
From: Andrew Bick [[e-mail]]
Sent: Friday, January 04, 2013 11:01 AM
To: Homewood, Sue
Cc: Cahill, Julie
Subject: Moores Fork
Attachments: SILAGE TRIB PLAN AND PROFILE 0113.pdf
Sue—attached are the latest plan and profile drawings for the Silage Tributary. As we discussed,we've revised the
profile somewhat and rather than fill the bed over the upstream reach,we will use boulder structures to set the profile
and use bioengineering to stabilize the upper banks.
In terms of the construction process,the contractor will use small track-mounted equipment and hand tools to minimize
the disturbed footprint. A pump-around or flume flow diversion will be used to dewater the work areas, and equipment
access to the upstream end will be up the dewatered channel with an entrance point near station 27+00. The length of
the work reaches will depend on the length of discharge hose the contractor uses. We expect work to proceed
upstream to downstream.
We will make every effort to save mature trees on the upper banks. Some 12" and larger trees will need to be removed
in areas where the upper banks are unstable. Many of the logs and rootwads from removed trees can be re-used for in-
stream structures.
Please feel free to call or email me with any questions or comments as you review this information.
Thanks.
Andrew Bick, PE
Confluence Engineering, PC
16 Broad Street
Asheville, NC 28801
828.255.5530 x 19 office
828.606.0306 cell
www.confluence-eng.com
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