20160343 Ver 1_More Info Received_20160615

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hdrinc.com
June 14, 2016
Sue Homewood
Department of Environmental Quality
Division of Water Resources, Winston Salem Regional Office
450 W. Hanes Mill Road, Suite 300
Winston Salem, NC 27105
Subject: Nationwide No. 121 General Water Quality Certification No. 3884 Approval
Additional Permit Information Request
City of Winston-Salem Reynolds Creek Outfall Improvements Project
Forsyth County, North Carolina
Dear Ms. Homewood:
HDR, on behalf of the City of Winston-Salem, is submitting additional information for the 401 Water
Quality Certification request made on April 7, 2016 for construction activities associated with the
Reynolds Creek Outfall Improvements Project in Forsyth County. Thank you for reaching out to us
for clarification on the 401 permit application. We have included the comments received and
followed with responses to help with review as well as attached updated drawings where needed.
Comment 1: 1 can't confirm this from the half -sized plan sheets so can you confirm that the entire
project meets the following condition in the GC: For sewer lines, when the construction corridor is
parallel to a stream, then the edge of the construction corridor shall not be closer than 10 feet from
top of bank. For streams classified as WS (except WS -IV or WS -V), B, SA, ORW, HQW, or SB
from normal high water (or tide elevation) and wetlands, the edge of the construction corridor shall
not be closer than 50 feet to a stream; or 100 feet to private or public water supply sources or
waters classified as WS -1 waters or Class I or Class 11 impounded reservoirs used as a source of
drinking water in accordance with 15A NCAC 02T. 0305(17.
Response: We have reviewed the impact of the project on stream banks and identified areas
where the construction corridor is parallel to the stream and encroaches on the 10 -foot requirement.
A list of the locations is below. We will not impact the stream bank at these locations; however, we
need to be near the bank to abandon the old, existing sewer that is located along the stream.
555 Fayetteville Street Suite 900, Raleigh, NC 27601
T 919.232.6600 F 919.232.6642
Stations
Sta.
3+00
Sta.
50+00 — 52+00
Sta.
93+00 — 94+00
Sta.
6+00
Sta.
56+50 — 59+00
Sta.
99+00
Sta.
7+50 — 10+00
Sta.
61 +00
Sta.
119+00 — 123+00
Sta.
12+00 — 33+50
Sta.
84+00
Sta.
128+00 — 130+00
Sta.
45+00
Sta.
85+50 — 90+00
Sta.
132+00 — 137+00
555 Fayetteville Street Suite 900, Raleigh, NC 27601
T 919.232.6600 F 919.232.6642

June 14, 2016
Page 2
Comment 2: Also, can you give me a little more justification/explanation for the permanent culverts.
All sewer lines need maintenance and would prefer to have permanent crossings in all locations but
we limit them to areas where there is no other reasonable access. So if the maintenance crew
could reasonably access both sides of the stream from opposite directions and it's just easier to be
able to drive across then that's not typically a sufficient purpose and need for permanent impacts.
Response: We have reviewed the culvert locations and believe they are the minimum required to
provide maintenance access. Here is a summary of our analysis.
Culvert Location
Upstream Limitations
Downstream Limitations
Sta. 60+20 (New)
No access due to Reynolds Creek
We plan to access the project
upstream of the proposed culvert
via Styers Ferry Road
Sta. 81+75?
We plan to access the project via
No access due to Reynolds
Fairhaven Road upstream of the
Creek downstream of the
proposed culvert
proposed culvert
Comment 3: Finally, the PCN narrative indicates that the permanent culverts will be buried but the
culvert style stream crossing in the plans clearly show the pipes are level with the stream bed rather
than buried.
Response: All new culverts will be constructed with 1 foot buried. Drawings have been revised and
are attached.
If you have any questions or require additional information after your review of the enclosed
information, please contact me at [phone] or [e-mail].
Respectfully,
HDR Engineering, Inc. of the Carolinas
Matt Shultz, PE
Project Manager
Attachments: Updated plan sheets
cc: William Ward - City of Winston-Salem
Mario Edouard - City/County Utilities PM, City of Winston-Salem
David Saunders, PE - HDR

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TYP >� 5_--------�� g�<-- �� // / s5 / Deed Book 2994, Page 1089
/ Plat Book 35, Page 148 /
20' CONSTRUCTION EASEMENT y� - = -750- /
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MANHOLE NO. 25 MANHOLE NO. 26 EXTEND EXISTING �� �� ��/// ��� --- Deed Book 2830, Page 3480 \
/ Deed Book 1888, Page 3752 STA 62+28.86 STA 63+11.87 GRAVITY SEWER �� 1��,� /// j �6 = Plat Book 35, Page 148
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790
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770
760
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750 �----
740
730
720 -
4' @ 8`- 10'
12' ® 6'- 8'
710
60+00 60+50
261.81 LF OF 30" ® 0.25%
61+00
HDR Engineering Inc
of the Carolinas
301 N. Main St., Suite 2441
Winston-Salem, NC 27101
336.416.3462
N.C.B.E.L.S. License Number F-0116
83.02 LF OF 30" © 0.25%
7
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342' @ 8'- 10'
61+50 62+00 62+50 63+00 63+50
3/2016 FINAL DESIGN - NOT ISSUED FOR CONSTRUCTION
ISSUE DATE DESCRIPTION
3
3' © 6'- 8'
70' @ 8'- 10'
64+00
5
46' @ 10'-12'
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64+50
64+50 65+00
PROJECT MANAGER
M.
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DESIGNED
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DESIGNED
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HDR Engineering Inc
of the Carolinas
301 N. Main St., Suite 2441
Winston-Salem, NC 27101
336.416.3462
N.C.B.E.L.S. License Number F-0116
83.02 LF OF 30" © 0.25%
7
149.78 LF OF 30"_ ® 0.25%
342' @ 8'- 10'
61+50 62+00 62+50 63+00 63+50
3/2016 FINAL DESIGN - NOT ISSUED FOR CONSTRUCTION
ISSUE DATE DESCRIPTION
3
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70' @ 8'- 10'
64+00
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PROJECT MANAGER
M.
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M.
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DESIGNED
K.
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QC
E.
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PROJECT NUMBER
000000000255569
I 100 YEAR FLOOD ELEVATION
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346.59 LF OF 30" © 1.50%
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65+50 66+00 66+50
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REYNOLDS CREEK OUTFALL IMPROVEMENTS
WINSTON SALEM, NORTH CAROLINA
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Cilty/county Utilities
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O ABANDON EXISTING MANHOLE IN PLACE. SEE
DETAIL 1/OOC-16.
02 ABANDON EXISTING 15" GRAVITY SEWER IN
PLACE.
03 ANTI -SEEPAGE COLLAR. SEE DETAIL
3/OOC-20.
04 MANHOLE TO INCLUDE VENT PIPE WITH
OPENING TWO FEET ABOVE 100 YEAR FLOOD D
ELEVATION. SEE DETAIL 3/OOC-18.
05 PROPOSED GRAVITY SEWER PIPE SHALL BE
DUCTILE IRON FROM MANHOLE TO MANHOLE.
06 PROVIDE "CULVERT" STYLE TEMPORARY
STREAM CROSSING. SEE DETAIL 3/OOC-23.
FOLLOWING CONSTRUCTION, REMOVE CULVERT
AND CONVERT TO "FORD" STYLE STREAM
CROSSING AT NO ADDITIONAL COST. SEE
DETAIL 2/OOC-23. FOR EROSION CONTROL
AT STREAM CROSSING, SEE DETAIL
5/OOC-23.
(DOUTSIDE DROP MANHOLE. SEE DETAIL
1/OOC-21.
O REMOVE EXISTING MANHOLE AND EXTEND 15"
GRAVITY SEWER TO PROPOSED MANHOLE NO.
26.
OINSTALL TEMPORARY FENCE TO MAINTAIN
ENCLOSED PASTURE.
&NSTALL GATE. SEE DETAIL 4/OOC-20.
11 RIPRAP OUTLET, SEE DETAIL 3/OOC-22. C
DIMENSIONS: 5' WIDE AT END OF PIPE; 10'
WIDE AT END OF APRON; 10' LONG, PIPE TO
END OF APRON.
12 FOR EROSION CONTROL AT STREAM
CROSSING, SEE DETAIL 5/OOC-23.
PERMANENTLY INSTALL 15' SECTION OF 48"
CULVERT PIPE. BURY PIPE SO THAT INVERT
IS 1' BELOW EXISTING STREAM BOTTOM.
40 0 40 80
HORIZONTAL SCALE IN FEET
10 0 10 20
VERTICAL SCALE IN FEET
STA 60+00 TO STA 70+00
30 GRAVITY SEWER PLAN AND PROFILE
0 1" Z, FILENAME OOC-07.dwg
SCALE AS NOTED
SHEET
OOC-07
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1 1 2 1 3 1 4
20' CONSTRUCTION
Now or Formerly (LIMITS OF DISTURI
8" GRAVITY SEWER / j� / PIN 5885-93-0906
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(E)
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Plat Book 38, Page 6
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PIN 5885-94-4167 MANHOLE NO. 3301 Cb5 x �X TENNIS
Christopher M. Reilly andSTA 81+26.48 °�j �X �x COURTS / 10
wife N 854119.26 5`' �X / co UTILITY BOXES
Tammy B. Reilly i X x ^ 4" GRAVITY SFWFF
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/ 19 /
/ Now c; ormerly l 20
PIN 5885 -83-6957
O SMH3959 / Now or Formerly
RIM: 771.15 Robert Holtje and wife /
Jane Holtje PIN 5885-83-5979
SHELF: 758.05 Deed Book 2757, Page 2789 Larry P. Bird and /
� INV: 757.45 Plat Book 32, Page 17' Patricia L. Federico
` Deed Book 2789, Page 456
INV (8"): 759.75 MANHOLE NO. 36 / Plat Book 32, Page 179
I % / STA 87+88.36 /� / �" GRAVITY SEWER
T I / N 854017.39 ^PVICE LINE
E 1588G95.29 10 /
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SHELF: 758.87
bo \ INV: 758.05 NowO
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or horm
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George J. Dembosky, Jr.
4 \ \ \ 'P Deed Book 2841, Page 891
Plat Book 32, Page 179
/�/� 760-- / v,_ \` �� ILMITS OF DISTURBANCE I SMH3960 O UTILITY EASEMENT, / / _� \\\ �F�� ��_-_ _ �� \
/ - _ WIDTH VARIES �C / \� L- - -_-
�� g/ // /,// �_^� 57-m ' / (EXISTING EASEMENT LINE)/ RIM: 763.70 1 1 jt\ \ �� -� _
qJ► / _ 1 MANHOLE NO. 35 SHELF: 756.41
Q O // / / / ;;�- - 1 - CULVERT PIPES S� \� \
Q O / /� -Y STA 84+89.33 INV: 755.56 \\\\v
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STA 82+11.78 N 854050.10
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S1 QQ�- RIM: 760.96 / STA 89+70.86
-� N I SHELF: 755.56 (TYP) / N 854080.97 STA 90+00 - OOC-� 0
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Now or Formerly
PIN 5885-94-1385
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Laura P. Sailer
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2
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13' @ 8'- 10' 23' ® 10'- 12'
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730
80+00 80+50 81+00 81+50 82+00 82+50 83+00 83+50 84+00 84+50
HDR Engineering Inc
of the Carolinas
301 N. Main St., Suite 2441
Winston-Salem, NC 27101
336.416.3462
N.C.B.E.L.S. License Number F-0116
3/2016 FINAL DESIGN - NOT ISSUED FOR CONSTRUCTION
ISSUE DATE DESCRIPTION
FAIRHAVEN
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PROJECT MANAGER
M.
SHULTZ, PE
DESIGNED
M.
SHULTZ, PE
DESIGNED
K.
QUATTLEBAUM
QC
E.
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86+00 86+50 87+00
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35' Ca? 14'-16'
172'' ® 12'-14'
88+00 88+50 89+00 89+50
WINSTON SALEM - FORSYTH COUNTY
REYNOLDS CREEK OUTFALL IMPROVEMENTS
WINSTON SALEM, NORTH CAROLINA
Winston-Salem • Forsyth County
Cilty/county Utilities
Water • Sewer • Solid Waste Disposal
770
760
750
740
-' 730
90+00
.01
KEY NOTES:
-1 MANHOLE TO INCLUDE VENT PIPE WITH
OPENING TWO FEET ABOVE 100 YEAR FLOOD
ELEVATION. SEE DETAIL 3/OOC-18.
O ANTI -SEEPAGE COLLAR. SEE DETAIL
3/OOC-20.
03 PROPOSED GRAVITY SEWER PIPE SHALL BE
DUCTILE IRON FROM MANHOLE TO MANHOLE.
04 FOR EROSION CONTROL AT STREAM
CROSSING, SEE DETAIL 5/OOC-23.
PERMANENTLY INSTALL TWO 15' SECTIONS OF
42" CULVERT PIPES. BURY PIPES SO THAT
INVERT IS 1' BELOW EXISTING STREAM
BOTTOM.
05 ABANDON EXISTING MANHOLE IN PLACE. SEE
DETAIL 1/OOC-16.
06 REMOVE EXISTING MANHOLE.
O REMOVE EXISTING PIPE WITHIN LIMITS OF
PROPOSED TRENCH. CAP ALL ENDS WITH
CONCRETE.
08 TEMPORARY GRAVITY BYPASS LINE. SEE
DETAIL 2/OOC-21. CONTRACTOR SHALL
VERIFY HORIZONTAL AND VERTICAL LOCATION
OF EXISTING SEWER PRIOR TO
CONSTRUCTION.
09 OUTSIDE DROP INLET. SEE DETAIL 1 /OOC-21 .
10 CONNECT ALL EXISTING GRAVITY SEWER
SERVICE LINES INTO PROPOSED MANHOLES.
INSTALL CLEANOUT AT EDGE OF UTILITY
EASEMENT.
11 REMOVE SECTION OF EXISTING FENCE AND
INSTALL GATE PER DETAIL 4/OOC-20.
PROTECT ALL OTHER SECTIONS OF FENCE. IF
REMOVAL IS REQUIRED, REPLACE BACK TO
ORIGINAL CONDITIONS.
12 RIPRAP OUTLET, SEE DETAIL 3/OOC-21.
DIMENSIONS: 10' WIDE AT END OF PIPES;
15' WIDE AT END OF APRON; 10' LONG,
PIPE TO END OF APRON.
40 0 40 80
HORIZONTAL SCALE IN FEET
10 0 10 20
VERTICAL SCALE IN FEET
STA 80+00 TO STA 90+00
30'1/24" GRAVITY SEWER PLAN AND PROFILE
0 1" Z, FILENAME OOC-09.dwg
SCALE AS NOTED
SHEET
OOC-09
C
IV
0