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NCDOT/P&E BRANCH Fax:919-733-9794 Sep 1 '99 11:17
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STATE OF NORTH CAROLINA
DEPARTNENT OF TRANSPORTAMN
P. 01
JANEs B. HuN'T JR. P.O. BOX 25701, RA1.1;1GK 14-C. 27611-5201 DAVID MCCOY
OOVEMMR SECUTARX
PROJECT DEVELOPMENT & ,ENVIRONMENTAL ANALYSIS BRANCH
FAX COVER SHEET'
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Project Development & Environmental Analysis Branch Fax Number: (09) 733-9794
PHONE (919) 733.2520 PAX(919)733-9150
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Sep 1 '99 11:19 P.04
STATE OF NORTH CAROLINA
DEPARTN ENT.OF TRANSPORTATION
JAMEs B. HvNrT JR.
GOVERNOR
September 1, 1999
MEMORANDUM TO:
FROM:
SUBJECT:
Fax:919-733-9794
P.O. BOX 25201, RALI?1CK W.C. 27611-5201
Dave Timpy, USACE
John Hennessy, NCDWQ
David Car, NCWRC
Tom McCartney, USFWS
Jim Hauser :??A
Natural Systems Unit
DAVID MCCOY
SECRETARY
Potential stream relocation for proposed Ellerbe bypass,
R-2231 BR, Richmond County.
Attached are the conceptual design plans for: a.potential: stream relocation which could be
implemented at station 92+20 to 93+90.4R-2231: B Please note that the potential
relocation would occur in an existing: wetland which.is, located on the west side of the
proposed alignment. The relocated channel would.be, approximately 150 meters in length
and could offset some of the expected impact at .this stream crossing. A new channel
would be excavated within the existing wetland. This wetland presently occurs as a
floodplain system along both sides of the existing stream. The plans, as presented, are
:only conceptual in nature and would be. €malized once detailed study of the relocated
stream is completed.
NCDOT would like to request a determination. from the resource agencies as to whether
this stream relocation is warranted and whether•it-could:be used as a mitigation measure
to offset projected stream impacts for R-2231 B.
cc: Charles Bruton
Hal Bain
Jay Twisdale
PHONE (919) 733-2520 FAX(919)733-9150
I
MAY-11-2000 10:06 NCDOT
919 250 4108 P.01i07
NORTH CAROLINA DEPARTMENT OF TRANSPORTATION
HYDRAULICS UNIT
`?wrtrN FACSIMILIE TRANSMITT CO R SHEET
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Please deliver the following pages to:
Name:
Of.
This facsimilie is being sent by:
Name:
Fax Number Called:
REMARKS:
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IF YOU DO NOT RECEIVE ALL PAGES CLEARLY, CALL BACK AS SOON AS POSSIBLE
Our Telephone Number is: (919)250-4100 Our FAX No. is, (919) 250 - 4108
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STATE OF NORTH CAROLINA
DEPARTMENT OF "TRANSPORTATION
JAMES B. HUNT JR. P.O. BOX 25201,-RALEIGH, N.C. 2761 1-5201
GOVERNOR
2/16/00
Memorandum To: Jim Hauser
Natural Systems Unit
From: Abdul Rahmani
Hydraulics Project Engineer
DAVID MCCOY
SECRETARY
Subject: Responses to Avoidance/Minimization Issues on US 220 in Richmond County;
TIP R-2231 B, CA, and CB
Section B (Design Plans)
Sheet 4 and 5
Station 93+40
Relocate stream along
east fill slope where possible
Response: Per email from David Timpy to Jim Hauser, offsite mitigation is preferred by Mr. Timpy
Sheet 8 Station 108+60 A larger perennial
channel occurs at 109+00
pipe as drawn appears
misplaced.
Response: Per discussion with Hydraulic consultant, the pipe is located correctly.
Sheet 15 and 16 Station 136+00 Include entire surface area of the
drained pond as a surface water
impact, not just that within the
fill slopes.
Response: A revised permit drawing and summary sheet reflecting the entire pond as an impact were
provided in August of 1999.
Sheet 17 Station 141+00 Include entire surface area of
drained pond as a surface water
impact, not just that within fill
slopes. Consider opportunties
for on-site wetland and stream
mitigation in drained pond.
Response: A revised permit drawing and summary sheet reflecting the entire pond as an impact were
provided in August of 1999. Per discussion with Jim Hauser concerning opportunties for
on site mitigation in the drained pond, he stated that due to the small size of the
remaining drained pond, mitigation would be pursued elsewhere.
Section CA (Design Plans)
?l Sheet 8
Station 190+80
Consider bridging to avoid
impacts.
Response: A bridge/culvert cost comparison produced the following cost difference: Dual Bridges
$3,633,000 vs. a double barrel culvert $441,000. (A difference of $3,192,000)
Dual Bridges would save 0.66 ha (1.6 ac.) of wetlands
Sheet 19 Station 234+50 Construct energy dissipator /
flow spreader at culvert outfall
to prevent blowing out stream
and wetland with stormwater.
Response: Per investigation by the design engineer, energy dissipation can be achieved with the
standard amount of rip rap at the outlet of the pipe and the additional rip rap lining of the
tail ditch that is reflected in the current design.
Section CB (Design Plans)
Sheet 6-11 Station 250-272 Shift road alignment more to the
West to reduce many small
stream crossings into one large
crossing.
Response: This concern was resolved in a separate meeting on 2/10/00.
Sheet 7 Station 255+20 Consider bridging to avoid
impacts.
Response: Alternate 1 would span all of the wetlands in this area and abridge/culvert cost
comparison produced the following cost difference: Dual Bridges $7,750,000 vs. a single
barrel culvert $220,300. (A difference of $7,529,700)
Dual bridges would span all of the wetlands and save 0.59 ha (1.5 ac.) of
wetlands.
Alternate 2 would span the majority of the wetlands in this area and a bridge/culvert cost
comparison produced the following cost difference: Dual Bridges $4,323,000 vs. a single
barrel culvert $220,300. (A difference of $4,102,700)
Dual bridges would span the majority of the wetlands and save 0.45 ha (1.1 ac.) of
wetlands.
If you need any additional information or have any questions, please give me a call.