HomeMy WebLinkAbout20190062 Ver 1_More Info Received_20190419gv
WETLANDS
.�. & WATERS
Mr. David Bailey
US Army Corps of Engineers
Raleigh Regulatory Field Office
3331 Heritage Trade Drive, Suite 105
Wake Forest, NC 27587
RE: SAW -2018-01856
Verona Subdivision
Request for Additional Information — 2
Burlington, Guilford County
Mr. Bailey and Ms. Homewood,
Ms. Sue Homewood
NC Division of Water Resources
Winston Salem Regional Office
450 W. Hanes Mill Rd. Suite 300
Winston Salem, NC 27105
April 191h, 2019
Below is a response to the request for additional information for the project referenced above. Included
is the original request, along with a response to each question, including responses from the project
engineer (in bold) where applicable. Supporting information and modified plans have been included as
attachments as necessary.
1a. The Corps appreciates your efforts to reduce wetland impacts. However, direct wetland impacts are
still proposed for Lots 29, 71, and 72, with no indication of efforts to avoid or minimize impacts to
Wetland Area 3 as required by NWP General Conditions 23(a) and (b);
The applicant continues to contend that all practicable avoidance and minimization for the entire
project site has been demonstrated, and cannot redesign this area to avoid impacts without the loss of
these three lots. Trying to redesign the site to reduce impact to wetland number 3 is impractical due
to insuring we can have fire access. Per the 2018 International Fire Code, Appendix D Fire Apparatus
Access Roads, Section D107 we are required to have two separate and approved access roads to more
than 30 lots. A redesign to avoid the area is impractical. If we stop the Gooseberry Drive at the
wetlands, it will have 40 lots accessed by Old Cedar Lane and by the fire code only 30 are allowed.
There are no other reasonable access points to replace Gooseberry Drive connection. This would be a
major redesign the plans were to be changed at this point. Given the low quality of this wetland area as
indicated by NC WAM, the applicant contends that the proposed compensatory mitigation is a suitable
method of minimizing overall impacts to aquatic resources.
1b. The Corps recognizes your efforts to incorporate retaining walls into upland areas in Lots 103-106 in
order to avoid direct wetland impacts. As you did for Lot 53, please show the retaining wall location for
these Lots of the plan sheets,
No walls are necessary to avoid wetlands on lots 103 to 106. Limits of disturbance have been indicated
on the plan sheets, and appropriate erosion control measures will be employed such that materials
incidental to grading activities are not transported into the wetland limits.
1c. It is unclear how the bypass offsite storm sewer outfall will retain hydrology to the remainder of
Wetland Area 2 such that it will remain jurisdictional after Lot development. Given that the outlet is
down -gradient of the portion of Wetland Area 2 between Lots 57 and 103, it is apparent that this area
CHRISTOPHER HUYSMAN
1 70 DEW DROP ROAD
SPAPTA, NC 2B675
336.406.0906
CHPIS.HUYSMAN@GMAIL.COM
WETLAND'S &c WATER'S, INC.
TAMP BANDY
41 DB LB PPOPST DRIVE
CONOVEP, NC 2B61 3
B2B.302.3437
JTAMPBANDY@GMAIL.COM
would become an indirect wetland impact by removal of hydrologic input once the proposed up -gradient
road in constructed,
The applicant concedes that it is possible this area could become an indirect wetland impact as a result
of less hydrologic input, yet a re -design is impractical for a number of reasons: If the pipe is relocated to
the upstream portion wetland 2 it will require raising the road grade and result in an additional
wetland disturbance of 1200 sf. Further, raising the road at this point would cause a major redesign.
The site is balanced at this point and raising the Old Cedar Road would resort in a shortage of dirt and
cause grade revisions in another portion of the site to balance. Sewer in the area is already 13 foot
deep and can't be raised. If the grade of the road is raised this issue will only worsen. Storm pipes
will have to be adjusted and redesigned. Plans have already been submitted to the City and are under
review; this will cause added delay to the approval process. In light of these reasons, the applicant
contends that a re -design is not practical and thus proposes to compensate for these potential indirect
impacts via purchase of additional 0.2 acres of wetland mitigation credits. The area with potential to be
impacted is shown on plan page W2, and is approximately 0.2 acres. Given the low quality of this
feature as determined by NC WAM and the speculative nature of this impact, a 1:1 ratio is proposed.
6. Has a delineation of potential waters of the US been completed in the project area of the proposed 40'
bore under the continuation of Stream T1 (outside of the PJD Review Area)? Given the extent of wetlands
on the reminder of the site, it is likely that wetlands occur adjacent to this portion of Stream T1 as well,
extending beyond a 40' bore length. The some concerns goes for the proposed temporary impact area at
Back Creek near the tie-in with the existing sewer. Please provide information on how you determined
the extent of potential waters of the US in these areas. If no on-site delineation was conducted, please do
so and provide the relevant information for the Corps' evaluation.
A delineation of the proposed off-site sewer easements has been completed, with the results shown on
the revised Approximate Depiction of Aquatic Resources. At the proposed bore location of the
continuation of stream T1, there is a small abutting wetland approximately 10' wide containing
indicators of hydric soils and vegetation, including Juncus effusus. A profile of the non -impact sewer
crossing has been added to sheet W9. The approximate limits of this wetland feature are shown on this
page. Both adjacent bore locations on either side of this tributary occur well outside the wetland limits
and contain non -hydric soils. There are no wetlands adjacent to Back Creek within the proposed sewer
easement, and this easement occurs in an already managed roadway and utility right-of-way. Photos
depicting these two areas are included.
Please do not hesitate to let me know if you have any questions about the provided information.
Best regards,
Perry Isner
704.773.4239
CHRISTOPHER HUYSMAN WETLANDS & WATERS, INC. TAMP BANDY
1 70 DEW DROP ROAD 41 CG LB PROPST DRIVE
SPARTA, NO 25675 CONOVER, NO 2561 3
336.406.0906 525.302.3437
CHRIS. H UYSMAN@�GMAIL. COM JTAMPBAN DY(2)�GMAIL. COM
Enclosures
CC via email
Revised Permit Plan Drawings
Revised Approximate Depiction of Aquatic Resources
Olivia Munzer, NC Wildlife Resources Commission
Greg Davidson, Eastwood Homes
CHRISTOPHER HUYSMAN WETLANDS & WATERS, INC. TAMP BANDY
1 70 DEW DROP ROAD 41 CB LB PROPST DRIVE
SPARTA, NO 28675 CONOVER, NO 2861 3
336.406.0906 626.302.3437
CHRIS. H UYSMAN@�GMAIL. COM JTAMPBAN DY(2)�GMAIL. COM
5TREAM5
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PERENNIAL
DELINEATION EMBIT
5TREAM NO. I
4Q1 LR
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TOTAL BUFFER AREA
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605TRUGTION 5EQUENGE
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PERMIT5 ARE OBTAINED (INGLUDIN6 A GRADING PERMIT FROM NGDEQ).
2. FOLLOW THE APPROVED ER05ION GONTOL PLAN AND 5EQUENGE IN ORDER
TO CLEAR AND 6RADE THE SITE.
3. IN5TALL 51LT FENCE ALONG THE LIMITS OF 015TURBANGE WITHIN THE IMPACT AREA.
4. EN5URE THAT A COFFER DAM AND PUMP AROUND 15 IN5TALLED TO DIRECT
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5. COFFER DAM AND PUMP AROUND MUST BE LEFT IN PLACE UNTIL NEW 48" RGP
5TORM SEWER PIPE5 ARE IN5TALLED. 5EE DETAIL ON SHEET W-4.
6. GRADE 51TE SUFFICIENT TO ALLOW FOR THE INSTALLATION OF THE PROP05ED
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1. CONTRACTOR TO FOLLOW THE DETAIL5 OF THE APPROVED ER05ION CONTROL
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8. 51TE 5HALL BE 5TABILIZED IN A TIMELY MANNER A5 PER THE REQUIREMENT5
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DATE. 12-12-2016
REV51QYz 2-28—l9— CAMMENT5
T17E IMPAGT5
EXHIBIT
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PERMITS ARE OBTAINED (INGLUDIN6 A 6RADIN6 PERMIT FROM NGDEQ).
2. FOLLOW THE APPROVED EROSION GONTOL PLAN AND SEQUENCE IN ORDER
TO CLEAR AND GRADE THE SITE.
3. INSTALL SILT FENCE ALON6 THE LIMITS OF DISTURBANCE WITHIN THE IMPACT AREA.
4. ENSURE THAT A COFFER DAM AND PUMP AROUND 15 INSTALLED TO DIRECT
RUN-OFF DRAINAGE FROM THE WETLANDS THROUGH THE SITE.
5. COFFER DAM AND PUMP AROUND MUST BE LEFT IN PLACE UNTIL NEW 24" RGP
STORM SEWER PIPES ARE INSTALLED. SEE DETAIL ON SHEET W-5.
6. 6RADE 51TE SUFFICIENT TO ALLOW FOR THE INSTALLATION OF THE PROPOSED
24" RGP STORM SEHER UNDER PROP05ED ROAD.
1. CONTRACTOR TO FOLLOW THE DETAILS OF THE APPROVED EROSION CONTROL
PLAN TO ENSURE THAT NO OFF-51TE SEDIMENTATION OCCURS DURING CONSTRUCTION.
8. 51TE SHALL BE STABILIZED IN A TIMELY MANNER A5 PER THE REQUIREMENTS
OF THE APPROVED EROSION CONTROL PLAN AND THE APPLICABLE
NGDENR STANDARDS AND REGULATIONS.
NARRATIVE
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DATE. 12-12-2018
REv1s1DN. 2-28-19— GOMMENT5
T17E IMPACTS
EXHIBIT
STREAM, BUFFERS
$ HETLANDS
RIP N0.EASTWOOVW_70-0WL_ 4ElM
DRAIN6 SLA.E. N 40'
RAN %M N0.
W4
NOTE: AS BEST POSSIBLE, INSTALL STORM SEINER
DURING DRY CONDITIONS. HOWEVER, IF NEGESSARY,
USE A COFFER DAM W/ PUMP AROUND.
INSTALLATION NOTES
A. INSTALL 5ANDBA66 DAM UPSTREAM OF CULVERT AND
PUMP WATER INTO DOWNSTREAM.
B. REMOVE COFFER DAM AND PUMP AFTER AFTER BY-PA55
STORM SEWER 15 FULLY R NGTIONAL.
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LIMITS OF
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IMPACTS
SAND BAG
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OFF5I TE TEMP 015TUR13ANCE
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2+00 1+50 1+00 0+50 0+00 575.00
5GALE I" = 40' HORIZONTAL
I" = 4' VERTICAL
PROM.U.
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DRAW W. HA
DATE. 12-132016
wifflo - 2-28-Iq- COMMENTS
'T m": TEMPOARY
IMPACTS EXHIBIT
STREAM, BUFFERS
$ WETLANDS
RIP N0.EAS7WDODY -lO-BURL-1'E1LN75
DRAIN6 SONE. N 40
RAN 51ffT N0.
W6
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5GALE I" = 40' HORIZONTAL
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RALWK NO 2766
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DRAW W. HA
DATE. 12-132016
wifflo - 2-28-Iq- COMMENTS
'T m": TEMPOARY
IMPACTS EXHIBIT
STREAM, BUFFERS
$ WETLANDS
RIP N0.EAS7WDODY -lO-BURL-1'E1LN75
DRAIN6 SONE. N 40
RAN 51ffT N0.
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35 �, 77 — (919)'66-6206
nlww W. a.ri
5 RETAININ DATE. 12-20-2016
9 �� 2-28-19- IIS
� 54 53 _ _
78 7q �ME
IMPAGTS
EXHIBIT
WETLANDS
6RAPHIG SCALE FILE �M -p .*
0 30' 60' 120' ISO' ° �' N60'
RAN%M N0. I,�I
I11 = 60' Y 1
MEMENNOWNI
FirI
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i 0
1`118� 11881 C,, -b- 14C 17420 1881
21" DEPTH OF GLA55 "I"
RIP RAP TO BE EMBEDDED INTO
THE EXI5TIN6 5TREAM BED
I
PIPE GULVERT OUTLET PROTEGTI ON
ABRIG
EXI5TIN6
GRADE EX. 15" 5TORM
PIPE
NORTH AMERICAN 6REEN
G1255N LINER
PROP05ED
6RADE
I. 5GRATGH EXI5TIN6 501L AND 5EED PER 5PEGIEIGATION5
WITH NORTH AMERICAN 6REEN LINING G1256N LINER.
PIPE GULVERT REMOVAL AT WETLAN05
PROMCT.
ORMADBYRZIM
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bW SIX FORKS ROAD, SUITE 100
RALEKN, NO 2766
(9191756-6"
ORMM W. a.N
DATE. 12-20-2016
mmow- 2-28-Iq- GOMMENT5
3-31-Iq- GOMMENT5
SIFT TIRE.
DETAIL5
RIP N0,EASTW00VW-70-0WL_NE M
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DATE 41-20W
REMOW.
SNEE7 TITLE.
NONIMPAGT5
SANITARY SEWER
GR0551N6 EXHIBIT
RIP N0.EASTMOOVW-10-0URL-1'E7LN75
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Ingle Pro
Parcel area
Project are* -
Project
Area
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Off -site Sewer Crossings
ff
0
(3
200 ft41111-
provided for it
ine use only./
perms ing r iremEnts
the U Army Corps o Engit
state and local authorities.
ded be
Bions, r
�he
ma by
'diction o
ific . n by
appropria
rrojeci ivame: Ingle Property
AWL WETLANDS owner / Developer: Randy & Cheryl Ingle / Eastwood Homes
T77 City /county:
--L Sc WATERS Burlington /Guilford
Tax PIN(s): 8834775066 (Partial)
Figure 1: Approximate Depiction Coordinates: Scale: Date: 06/06/18
of Aquatic Resources Lat: 36.07695 Long: -79.55013 Graphic Revised Date: 04/02/19
DIRECTION 36.07952'N ACCURACY 65 m DIRECTION 36.07933'N ACCURACY 74 m
62 deg(T) 079.54799'W DATUM WGS84 446 deg(T) �{ 079.54813'W µ _.�"��ATUM WGS84
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Verona NHS soil adjacent to 2019--03-28 Verona y NHS soil adjacent to 2019-03-28
stream bore; fescue,... 10:52:55-04:00 stream bore; fescue,... 10:53:10-04:00
DIRECTION 36.07952'N ACCURACY 65 m DIRECTION 36,07895'N ACCURACY 78 m
263 deg(T) 079.54787'W DATUM WGS84 0 deg(T) 079.54860'W DATUM WGS84
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NHS soil adjacent to 2019-03-28 adjacent 'bis#ream 2019-03-28
Verona stream bore; fescue,... 10:53:32--04:00 Verona bore; iUncus 10:57:46-04;00
DIRECTION 36.07906'N ACCURACY 71 m
98 deg(T) 079.54738°W DATUM WG584
Zl 1414
Kt k'
ME LAW
r 4
�' 6 y� � Sj'+1 `•� � P
Verona Offsite temp 2519-03-28
disturbance -no WL 10:46:35-04:00
DIRECTION
36.07899°N
:ACCURACY 73 m
88 deg (T)
079.54732"W
DATUM WG584
" 3 3
i
V
74
Verona
Offsite temp
2919-03-28
disturbance -no WL
10:47:05-04:00
DIRECTION 36.07568°N ACCURACY 65 m
221 deg(T) 079.54830°W DATUM WG584
7 :.,:,.�,►u�. -.Alfie,..
m
.- Nps •.t.-.� w
e.
Verona Pipe to be removed 2019-03-28
10:20:56-04:00