20150151 Ver 2_More Info Received_20180621

Homewood, Sue
From: Cindy Lancaster <[e-mail]>
Sent: Thursday, June 21, 2018 8:18 AM
To: [e-mail]
Cc: Homewood, Sue
Subject: [External] RE: Request for Additional Information: Revolution Mill PCN, Greensboro,
Guilford County; SAW -2015-00198
Attachments: Response to Corps&DEQ Comments.pdf
CAUTION: External email. Do not click links or open attachments unless verified. Send all suspicious email as an
attachment to Report Spam.<mailto:[e-mail]>
David/Sue --
Responses to David's comments:
1) The intended methodology/sequencing for the bridge removal is consistent with NWP 3. We will include the NWP 3
terms and conditions with project requirements for the contractor.
2) The bridge abutments are part of the retaining walls and part of the support (on one side) for the corner of the
building. The abutments will remain in place and not be removed.
3) See the email attachment for a profile view of the stream thalweg, some cross-sections, and a planting plan.
4) Understood. As I noted on the PCN form, the bridge has been discussed with SHPO. They verified verbally to the
Self -Help architect that it was not part of the listing for the historic designation, but we did not request any written
documentation from them.
The email attachment also includes some cross-sections and photos in response to Sue's questions.
Thanks,
Cindy
Cynthia C. Lancaster, P.E., CFM
JEWELL Engineering Consultants, P.C.
Phone: [phone], ext. 102
-----Original Message -----
From: Bailey, David E CIV USARMY CESAW (US)[mai Ito: David. [e-mail]]
Sent: Thursday, June 14, 2018 2:53 PM
To: Cindy Lancaster <[e-mail]>
Cc: Homewood, Sue <[e-mail]>
Subject: Request for Additional Information: Revolution Mill PCN, Greensboro, Guilford County; SAW -2015-00198
Cindy,
1

Thank you for your PCN and attached information, dated and received 5/23/2018, for the above referenced project. I
have reviewed the information and need clarification before proceeding with verifying the use of Nationwide Permit
(NWP) 3 (http://saw-reg.usace.army.mil/NWP2017/2017NWP03.pdf). Please submit the requested information below
(via e-mail is fine) within 30 days of receipt of this Notification, otherwise we may deny verification of the use of the
Nationwide Permit or consider your application withdrawn and close the file:
1) The sediment removal activity would likely fit the terms and conditions of NWP 3. However, the bridge removal
activity is better authorized under NWP 33 for construction access. Please see the terms and conditions of this permit
and ensure that the activities proposed comply with this permit: http://saw-
reg.usace.army.mil/NWP2017/2017NWP33.pdf;
2) Please provide additional information on the extent of removal of the existing bridge abutments, and whether the
abutments will be removed to the existing stream bed (i.e. mud line) or below;
3) Please provide profile views of the proposed floodplain bench, as well as any proposed stabilization (i.e.
seeding/planting/matting) measures. Please provide a list of plant species to be planted and the seed mix to be used;
4) Given that the project activities occur within the Revolution Cotton Mills (GF0172) National Register of Historic Places
boundary, I have initiated informal consultation with the State Historic Preservation Office; they require up to 30 days to
respond to our coordination request. Note that I cannot verify the use of any Nationwide Permit until consultation
pertaining to Section 106 of the National Historic Preservation Act is complete.
Please let me know if you have any questions.
-Dave Bailey
David E. Bailey, PWS
Regulatory Project Manager
US Army Corps of Engineers
CE -SAW -RG -R
3331 Heritage Trade Drive, Suite 105
Wake Forest, North Carolina 27587
Phone: [phone], Ext. 30.
Fax: [phone]
Email: David. [e-mail]
We would appreciate your feedback on how we are performing our duties. Our automated Customer Service Survey is
located at: http://corpsmapu.usace.army.mil/cm_apex/f?p=136:4:0
Thank you for taking the time to visit this site and complete the survey.

ADDITIONAL PROJECT INFORMATION
BRIDGE AND SEDIMENT REMOVAL AT REVOLUTION MILL
The following pages include some cross-sections showing proposed grading, a profile of the stream
channel through this area exported from the FEMA flood model (thalweg & 2/10 year flood elevations),
and some photos of the area. A proposed planting plan is included as an appendix.
For the cross-sections, the "bench area" is on —2% slope towards the stream and the slopes are —3:1.
The locations are shown on the aerial figure on page 4.
732
730
728
726
724
722
720
718
716
Section Upstream of Dock - Possible Sediment Removal
t Proposed
--*-- Su rvey
714 ' '
0 5 10 15 20 25 30 35 40 45
Possibly a small bench can be graded in this area where there is a stable and adequate wall at the top of
the slope.
SA W 15-00198 U E W E L L
Additional Information 1 qr ENS NEER NG =NsuLTANTS. Fn

Possible Sediment Removal/Grading under Former Dock Area
732
730
728
726
724
--*--Proposed
722 Survey
720
718
716
714
0 10 20 30 40 50 60 70
There is not much potential for excavation in this area. Some of the old piers sticking up above the
ground may be sawed off and some grading done to smooth out the area before replanting.
734
732
730
728
726
724
722
720
718
716
714
712
Proposed Grading Between Bridge Removal & Yanceyville
0 10 20 30 40 50 60 70 80
--*-- Proposed
--*--Survey
This area is significantly higher than the right overbank under the bridge that will be removed, so some
excavation for a floodplain bench is proposed through this area.
SAW 15-00198
"JEWELL
Additional Information 2 ENS NEER NG CONSULTANTS. PE

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Legend
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Downstream Section Between Bridge
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New Access Dock has been constructed.
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Section at Former Access Dock
Upstream Section Grassy Bridge Removal Area
Date: June 2018
Drawn by: CCL JEWELL
Aerial from NCOneMap
NC Contours from NCFMP LIDAR ENGINEERING CONSLJLTANTS. PC
Bo

These are photos sent earlier to David Bailey (in a query before filing PCN). Below is the "Grassy bridge"
slated for removal and replacement — viewed from downstream side. The tree was later cut at ground
level because it was a hindrance to visibility for vehicles at Revolution Mill pulling out onto Yanceyville.
"Grassy bridge" from upstream side. There are concrete retaining walls at each end of the bridge that
will remain in place. The owners would also like to remove some of the debris/rock/sediment upstream
and downstream of the bridge to some extent.
8 V
3+
d n �
—� 7 _
SA W 15-00198 U E W E L L
Additional Information 5 qP ENS NEER NG =NsuLTANTS. Fn

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Right bank area — looking downstream from the "grassy bridge" to Yanceyville Street. Owners would
like to clean up right bank and grade a floodplain bench between grassy bridge and Yanceyville Street.
Looking upstream from "grassy bridge" where an old vehicle access ramp (with numerous piers) was
replaced with an open -span pedestrian access. Owners would like to remove accumulated sediments in
these areas and grade a floodplain bench. (This is a secondary flow area. The stream goes under the
building to the right in the photo.)
SA W 15-00198 U E W E L L
Additional Information 6 qP ENS NEER NG =NsuLTANTS. Fn

These photos were all taken in April 2018 — in order from upstream areas to downstream areas.
This photo is taking facing upstream towards the Mill House building. Sawing off some of these posts at
stream bed level may be done to improve the aesthetics. The potential grading is limited by the
steepness of the upper bank, but to the extent there is an adequate retaining wall at the top of the
bank, it may be possible to grade a small bench area as shown on the cross-section.
This is the area under the former dock. Again, it is too steep for to allow for much excavation of
sediments, but the area will be smoothed out and replanted.
SA W 15-00198 U E W E L L
Additional Information 7 qP ENS NEER NG =NsuLTANTS. Fn

Another shot of the area under the former dock. Some of the former piers need to be sawed off at a
lower elevation in order to smooth out the bank in this area.
Area downstream of the dock and upstream and under the grassy bridge slated for removal, which
needs to be more evenly graded and also cleaned upThe area proposed for a floodplain bench is
downstream of the grassy bridge where you can see that the bank comes up.
SA W 15-00198 U E W E L L
Additional Information 8 qP ENS NEER NG =NsuLTANTS. PO

A —20 -foot floodplain bench is proposed for this area, partly dependent on how far down it is
structurally acceptable to excavate at the retaining wall.
SA W 15-00198 U E W E L L
Additional Information 9 qP ENS NEER NG =NsuLTANTS. Fn

APPENDIX
Planting Plan for Right Overbank Areas
SA W 15-00198 ®JEWELL
Additional Information 10 ® ENS NEER NG CONSULTANTS. PE

general planting notes
1. CONTRACTOR SHALL REPORT ALL DISCREPANCIES TO LANDSCAPE ARCHITECT.
2. CONTRACTOR SHALL FIELD VERIFY ALL DIMENSIONS, DEPTHS, QUANTITIES, DISTANCES, ANGLES AND SLOPES PRIOR TO ORDERING MATERIALS OR
INSTALLING PROJECT.
J. IF REQUIRED OR REQUESTED, THE CONTRACTOR SHALL STAKE OUT ALL TREE, SHRUB, AND BED EDGE LOCATIONS FOR THE LANDSCAPE
ARCHITECTS APPROVAL.
4. CONTRACTOR SHALL ACCEPT ACTUAL CONDITIONS AT SITE AND PERFORM THE WORK SPECIFIED INCLUDING FINE GRADING AND INCORPORATION
OF TOP SOIL INTO PLANTING AREAS, WITHOUT ADDITIONAL COMPENSATION FOR POSSIBLE VARIATION FROM GRADES AND CONDITIONS SHOWN,
WHETHER SURFACE OR SUBSURFACE, EXCEPT AS PROVIDED FOR IN CONTRACT DOCUMENTS.
5. CONTRACTOR WILL OBTAIN WRITTEN APPROVAL FROM LANDSCAPE ARCHITECT FOR ANY PLANT SUBSTITUTIONS OF SPECIES, SIZE, OR TYPE OF
CONTAINER.
6. CONTRACTOR SHALL LOCATE ALL UNDERGROUND UTILITIES PRIOR TO CONSTRUCTION AND SHALL BE RESPONSIBLE FOR THE PROTECTION OF
THESE UTILITIES DURING INSTALLATION, AND SHALL PROMPTLY REPAIR AND RESTORE SERVICES AT NO ADDITIONAL COST TO THE OWNER IF
DAMAGE OCCURS DURING INSTALLATION.
7. CONTRACTOR WILL LEAVE DISTURBED AREAS LEVEL AND RAKED SMOOTH, REMOVING ALL ROCKS AND DEBRIS.
8. MULCH IS TO BE A 3-6" LAYER OF PINE STRAW. MULCH IS TO BE KEPT OFF OF TREE TRUNKS.
9. ANY DAMAGE TO EXISTING CONDITIONS OUTSIDE THE CONTRACT LIMITS, INCLUDING CURBS, SIDEWALKS, TURF AREAS AND PAVING, SHALL BE
RESTORED TO ORIGINAL CONDITION BY THE CONTRACTOR WITHOUT EXTRA COST TO THE OWNER.
10. 1N CASE OF DISCREPANCY BETWEEN THE QUANTITY OF PLANTS ON THE PLANS COMPARED TO THE PLANT LIST, THE CONTRACTOR SHALL
SUPPLY QUANTITIES AS SHOWN ON THE PLANS.
11. SEE BELOW FOR TOPSOIL AND PLANTING PREPARATION.
required soil preparation and water wise planting techniques
1. SOIL PREPARATION FOR THE ENTIRE WIDTH AND LENGTH OF THE LANDSCAPE YARD SHALL INCLUDE EITHER:
A. THE ADDITION OF 2" ORGANIC AMENDMENTS TILLED TO A DEPTH OF SIX (6) TO TEN (10) INCHES ORGANIC CONTENT OF AMENDED SOIL
SHOULD BE 207-257. .
OR
B. EACH GRASS PLANTING SHALL INCORPORATE A 50/50 BLENDED MIX OF NATIVE SOIL AND ORGANIC AMENDMENTS FOR EACH PLANTING
HOLE. ORGANIC CONTENT OF AMENDED SOIL SHOULD BE 209259 .
2. EARTHEN BASINS ARE CONSTRUCTED AROUND THE INSTALLED PLANTS
J. FOR ESTABLISHMENT AND SURVIVAL, PLANTS SHALL BE WATERED IN THE FIRST YEAR OF PLANTING.
4. IRRIGATION: IT IS SUGGESTED THAT DRIP IRRIGATION, WHICH INCLUDES DRIP MASTERS, BE USED FOR REQUIRED LANDSCAPING PLANTING BEDS
DURING THE REQUIRED ESTABLISHMENT PERIOD. AFTER ESTABLISHMENT SUPPLEMENTAL WATERING CAN BE REDUCED AND USED ON AN AS
NEEDED BASIS. TRADITIONAL SPRAY IRRIGA77ON IS PROHIBITED EXCEPT FOR TURF AREAS
CITY
KEY SCIENTIFIC NAME
COMMON NAME
SIZE
110
AC Ampleastercarolinianus
Climbing Aster
1Gal.
25
PV Panicum virgatum 'Cape Breeze'
Switchgrass
1 Gal.
45
MC Muhlenbergia capillaris
Pink Muhly Grass
1 Gal.
7,500sf
SEED MIX Mellow Marsh Farms Riparian Buffer MIX
I Riparian Seed Mix
25 lbs. / acre
LANDSCAPE EXHIBIT
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111 West Main Street
Durham, N.C. 27701
p 919.682.0368
f 919.688.5646
www.cjtpa.com
Project:
REVOLUTION
MILL
PROJECT ADDRESS
1200 Revolution Mill Dr.
Green sb oro,
Guilford County,
North Carolina
OWNER / DEVELOPER:
HISTORIC REVOLUTION LLC
1200 Revolution Mill Dr.
Green sb oro,
Guilford Co, NC
Ph: 336-235-2293
PIN: 7875 06 1042
FINAL DESIGN -NOT
FOR CONSTRUCTION
lob Number: 1427
Drawn JSA, KMB
Checked JSA, PR
Date 11-20-2015
Revisions 02-05-2016
01-24-2017
02-02-2017
06-20-2018
SITE PLAN
Sheet Title:
landscape
exhibit
Sheet Number
C703