20180340 Ver 2_More Info Received_20190108

Strickland, Bev
From: Perry Isner < [e-mail] >
Sent: Tuesday, January 08, 2019 2:21 PM
To: Johnson, Alan
Subject: [External] Sylvan Creek sediment removal
Attachments: 190108_SylvanCreek_sediment.removal.plan.pdf
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Alan, see attached for our conceptual sediment removal plan for the Sylvan Creek dam repairs.
Let me know if you have any questions, thanks!
Perry Isner
Wetlands & Waters, inc.
6018 Little Mountain Road
Sherrills Ford, NC 28673
704.773.4239
Perry. isner(o-)-gmail.com
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OVERALL PLAN - REPAIR AREA
0 30 60 120
SCALE: 1"=60'
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TYPICAL CROSS-SECTION VIEW LOOKING DOWNSTREAM
1 . ALL HEAVY EQUIPMENT TO BE ON EXISTING ROAD WHERE POSSIBLE, WITH EXCAVATED SEDIMENT TO
BE PLACED ON ADJACENT HIGH GROUND.
2. CONSTRUCTION AREAS TO BE SEEDED AND STABILIZED WITH RYE AND STRAW MULCH FOLLOWING
COMPLETION OF SEDIMENT REMOVAL ACTIVITIES.
3. CAUTIONARY MEASURES WILL BE EMPLOYED TO MINIMIZE DOWNSTREAM TURBIDITY.
4. No MORE CHANNEL WILL BE EXCAVATED IN A DAY THAN CAN BE STABILIZED,
SEED AND STABILIZE
SEDIMENT DEPOSITS
ALONG BOTH BANKS
EXPOSED NATIVE
BED MATERIAL
WETLANDS &
.T. WATERS, INC.
Figure 1: Concept Sediment
Removal Plan
DISPOSE OF EXCAVATED
SEDIMENT IN ADJACENT
HIGH GROUND
\ '10�
EXCAVATE ACCUMULATED
SEDIMENT THROUGHOUT
REACH FROM DAM
OUTLET TO POINT -30'
BELOW CULVERT