20190863 Ver 1_Post Contract IRT Field Meeting Notes_20190726

Strickland, Bev
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Reid, Matthew
Friday, July 26, 2019 10:48 AM
Tugwell, Todd J CIV USARMY CESAW (US); Kim Browning; Munzer, Olivia; Haupt, Mac;
Davis, Erin B; Wiesner, Paul; Ullman, Kirsten J; Russell, Periann; Shawn Wilkerson; Eric
Neuhaus; Jake McLean
Oak Hill Dairy - DMS# 100120 - Post Contract IRT Field Meeting Notes
Oak Hill Dairy_100120_Post Contract Meeting Notes.pdf
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The Post Contract IRT Field Meeting Notes for the Oak Hill Dairy Mitigation Site are attached.
Please let us know if you have any comments or concerns.
Thanks
Matthew Reid
Project Manager —Western Region
North Carolina Department of Environmental Quality
Division of Mitigation Services
828-231-7912 Mobile
matthew.reid(a)ncdenr.gov
Western DMS Field Office
5 Ravenscroft Dr
Suite 102
Asheville, NC 28801
-5>'�Nothlnq Compares
Email correspondence to and from this address is subject to the
North Carolina Public Records Law and may be disclosed to third parties.

WILDLANDS
ENGINEERING
MEETING NOTES
MEETING: Post -Contract IRT Site Walk
Oak Hill Dairy Mitigation Site
Cataloging Units 03050101, 03050102 and 03050103 (Catawba ESA); Gaston County, NC
DEQ Contract No. 7867
DMS Project No. 100120
Wildlands Project No. 005-02182
DATE: On-site Meeting: Monday, July 22, 2019 @ 2:00 PM — 4:30 PM
Meeting Notes Distributed: Wednesday July 24, 2019
LOCATION: 610 Roy Eaker Road (Roy Eaker Road / Robert Road)
Cherryville, NC 28021
Attendees
Todd Tugwell, USACE
Kimberly Browning, USACE
Mac Haupt, NC Department of Environmental Quality
Erin Davis, NC Department of Environmental Quality
Matthew Reid, DMS Project Manager
Paul Wiesner, DMS
Kirsten Ullman, DMS
Periann Russell, DMS
Olivia Munzer, WRC
Shawn Wilkerson, Wildlands Engineering
Eric Neuhaus, Wildlands Engineering
Jake McLean, Wildlands Engineering
Materials
• Wildlands Engineering Technical Proposal dated 1/9/2019 in response to RFP #16-007704
• Preliminary Hydric Soil Investigation dated 1/5/2019 prepared by Soil & Environmental Consultants
Meeting Notes
1. It was noted that the site scored highly on the scoring form. Wildlands that the site was a high priority
site identified within a local watershed plan.
2. The site walk proceeded from downstream to upstream along the mainstem. Wildlands indicated that
the mainstem would be located away from the existing driveway out into the field to support wetland
hydrology (priority 1) with priority 2 segments at the lower end of the reach to transition to the existing
road crossing.
3. Todd/Mac noted that levees are typical along streams in the piedmont with Chewacla soils and
indicated that Wildlands should consider putting a gage in the existing/proposed near stream area to
document water levels and anticipate potential levy formation on the restored stream.

4. Test pits in wetland 1 yielded shallow hydric indicators, particularly off the existing stream levy.
5. Along mainstem Oak Hill Creek Reach 1 (enhancement 2), in response to IRT and DMS comment about
proposed activities being more typical of enhancement 1 level effort, Wildlands indicated that
enhancement 2 credit is being sought because the treatments are non -continuous in this reach. As an
example, it was pointed out that essentially no channel work is proposed at the top of the reach,
including an area with minor erosion into weathered bedrock. Wildlands indicated that the primary
activity proposed in the reach is stabilizing/grading outside meanders. (As an aside, IRT members
encouraged Wildlands to provide workplan in E1/E2 reaches in the future, as was recently provided on
Dynamite Creek, as they found this helpful in defining the specifics of reach treatments).
6. Evidence of historic drain tiles (wooden) were noted in the bank along this same enhancement 2 reach -
entering from the wetland 3 (left) side of the creek. Shawn noted that he'd seen tiles further
downstream as well.
7. Todd indicated that Wildlands should be aware of the potential buffer impacts of the proposed crossing
at the mainstem reach 1/2 break; the crossing is at a skew to match the skew of the sewerline crossing.
8. Todd indicated that upstream portion of Wetland 3 should be gaged to provide evidence of wetland
hydrology.
9. Wildlands would need to prove proposed wetland 2 is relic within area of deeper hydric soils for re-
establishment. Portions of wetland 2 with deeper hydric soils proposed for grading over 6 inches
without new evidence/justification would likely push into wetland creation with a higher mitigation
ratio. Todd and Mac both commented about the existing data and the borings conducted during the
visit pointing to a higher "risk" that hydric soils would not develop and/or that hydrologic criteria could
not be met. It was stated that design data and post -project data will have to support approach and
presented at the mitigation plan stage for IRT review.
10. Wildlands indicated that BMP 2 would be a depression to capture and treat runoff from feeding and
concentrated cattle use area.
11. IRT indicated that JD on UT113 would be important information in validating approach. Wildlands
indicated that UT113 was added to the project to preserve the source of hydrology against future impacts
should it be left out.
12. IRT asked how Wildlands justifies the restoration approach on upper part of UT1 (near UT1A) pointing to
some stable bed and bench features in the upper portion of the reach. Wildlands responded that the
culvert at the head of the reach is perched, and raising the stream at the top of the project, and moving
to a priority 1 as far upstream as possible, is important to the overall project approach.
13. Obvious evidence of cattle in the creek was noted in UT1.
14. Several discrete invasive species infestations were observed throughout the project area (kudzu,
knotweed, bamboo), including privet throughout the project area.
15. The group walked along UT1A which is slated for restoration and was an obvious wallow pit for cattle
and extremely degraded.
16. In summarizing the site visit, the approaches to project were agreed to with the exception of a section of
wetland 2 which is expected to be classified as creation due to the grading depth required to be
completed to reach hydric layers.
W Wildlands Engineering, Inc. page 2
Oak Hill Dairy Mitigation Site
Post -Contract IRT Site Walk