20191642 Ver 1_More Information Received_20200205

Moore, Andrew W
From: Armistead, Shaun <[e-mail]>
Sent: Wednesday, February 5, 2020 2:42 PM
To: Moore, Andrew W
Cc: Fuemmeler, Amanda J CIV (US)
Subject: [External] RE: Springside Rd @ Overlook Rd Sewer Rehabilitation PCN
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Thank you for your comments. My responses are below:
1. The stream impact table lists two stream impacts. However, there appears to be three stream crossings
associated with the project (Line "A" STA 19+00, 20+80, and 28+80.) Please clarify the discrepancy.
a. You are correct, there are three stream impacts. I only noted the ones at STA 19+00 and 20+80, but
there is an additional one at 28+80.
2. Please confirm Line "A" STA 29+00 to 30+50 will meet Condition 1.2. of GC4133.
The proposed line will be within 10 feet of the bank, because of a utility pole in the existing pipe
alignment. Silt fence will be installed at the top of bank until grass is re-established, the trench will be
backfilled each day, and the spoil pile during construction will be placed on the side of the trench
opposite from the creek bank.
Please confirm the apparent stream crossing at Line "A" STA 28+80 will meet Condition 1.3. of GC4133.
a. This stream crossing will be constructed in accordance with Condition 1.3. of GC4133.
The stream banks will be returned to near their original contour, and be seeded and matted in accordance with our coir
matting detail, so as you have stated, these stream impacts will be temporary.
Thank you,
Shaun Armistead, PE
Project Engineer, MSD
From: Moore, Andrew W [mailto:[e-mail]]
Sent: Thursday, January 09, 2020 9:30 AM
To: Armistead, Shaun
Cc: Fuemmeler, Amanda J CIV (US)
Subject: Springside Rd @ Overlook Rd Sewer Rehabilitation PCN
Shaun,
The Division received the courtesy copy of the subject PCN. I have attached to this email 401 Water Quality Certification
(WQC) 4133 (GC 4133), which corresponds to Nationwide Permit 12 (Utility Line Activities). The second page of the
attached document lists a number of thresholds or circumstances under which written approval for a 401 WQC is
required.
Please clarify the following items:
1. The stream impact table lists two stream impacts. However, there appears to be three stream crossings
associated with the project (Line "A" STA 19+00, 20+80, and 28+80.) Please clarify the discrepancy.
2. Please confirm Line "A" STA 29+00 to 30+50 will meet Condition 1.2. of GC 4133.
3. Please confirm the apparent stream crossing at Line "A" STA 28+80 will meet Condition 1.3. of GC4133.

Note that the stream impact table lists the impacts as permanent. As noted in a previous email, if the streambanks are
returned to near their original contour, seeded, and matted, as apparently depicted in the COIR MATTING STANDARD
DETAIL on Sheet D-3, the impact would be considered temporary. Future submittals should note impacts of this nature
as temporary.
Thanks and feel free to contact me if you have any questions.
Andrew W. Moore, PG
Environmental Specialist — Asheville Regional Office
Water Quality Regional Operations Section
NCDEQ — Division of Water Resources
828 296 4684 office
email: Andrew.W.Moore()ncdenr.gov
2090 U.S. Hwy. 70
Swannanoa, N.C. 28778
Email correspondence to and from this address is subject to the
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