HomeMy WebLinkAbout20061617 Ver 1_More Info Received_20070209WITHERS ~~~~ RAVENEL
ENGINEERS I PLANNERS 1 SURVEYORS
February 6, 2007
NC-Division of Water Quality
Attn: Ms. Cyndi Karoly
2321 Crabtree Blvd.
Raleigh, North Carolina 27604
Re: Request forAdditionalinformation -Wendell Falls
W&R Project #: 2050261.01
DWQ Project #: 06-1617
Dear Ms. Karoly,
We received your request for additional information dated February i, 2007, regarding the
proposed impacts associated with the Wendell Falls subdivision. As peryour request,
here is a copy of our response to the USACE request for additional information.
Please note that we have eliminated the stream and wetland impacts at locations S3 and
G3. The revised impact maps and tables are included with the attachments. The
proposed impacts for the interchange are: i.3 acres of wetland impact,1,188 linear feet of
perennial stream, and 2.81 acres of riparian buffer impacts. The proposed permanent
impacts for the subdivision are: 1.82 acres of wetland impact,1,623 linear feet of
perennial channel impact, and 3.88 acre of riparian buffer impact. The utility line impacts
are as follows: Z.o8 acres of wetland impact, 605 linear feet of stream impact, and 1.47
acres of riparian buffer impact. We will submit the final stormwater plan for the initial
phases under separate cover.
Please feel free to call if you have questions or require additional information.
Sincerely,
WITHERS & RAVENEL, INC.
~~~._,
Todd Preuninger
Director of Wetlands and Biological Sciences
Attachments: ~=;-~
i
1) Revised Impact Maps
2) Response to USACE
3) General Map Showing proposed BMP locations
iii MacKenan Drive i Cary, North Carolina z7Sii i tel: 919.469.3340 i fax: 919.467.6008 i www.withersravenel.com
l07 Stokley Drive i Suite l04 i Wilmington, North Carolina z84o3 i tel: gio.z56.gz77 i fax: 910.256.z584
WITHERS L~~~ RAVENEL
ENGINEERS I PLANNERS I SURVEYORS
February 6, 2007
US Army Corps of Engineers
Attn: Mr. Monte Matthews
6508 Falls of Neuse Road, Suite i2o
Raleigh, North Carolina 27615
Re: Wendell Falls
Request for additional information
W&R Project Number- 2o5o26i.o1
USACE AID#: 2oo62oioo
DWQ Project #: 06-1617
Dear Mr. Matthews,
NC-Division of Water Quality
Attn: Ms. Cyndi Karoly
2321 Crabtree Blvd.
Raleigh, North Carolina 27604
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We received your request for additional information on December 15`h, 2006, regarding
the proposed impacts associated with the Wendell Falls subdivision. Please note that
some of the impact totals and locations have changed since the initial application. A
detailed accounting of these changes is included with our response. The revised impacts
are included on the impact tables foryour review. The proposed impacts forthe
interchange are: i.3 acres of wetland impact, 1,188 linear feet of perennial stream, and
2.81 acres of riparian buffer impacts. The proposed permanent impacts for the
subdivision are:1.82 acres of wetland impact, 1,623 linearfeet of perennial channel
impact, and 3.88 acre of riparian buffer impact. The utility line impacts are as follows:
2.08 acres of wetland impact, 605 linear feet of stream impact, and 1.47 acres of riparian
buffer impact.
I have included a brief response to each ofyour requests below.
Below is a is a summary of changes to the proposed impacts since our initial submittal:
Interchange: Original Request Revised Request
Site 2 225 L.F. of stream 299 L.F.
We had originally proposed an arch culvert at site 2; however, due to engineering
constraints, the arch culvert has been replaced with a Box culvert.
Site 4 286 L.F. of stream 236 L.F.
Site 7 NA 57 L.F of stream will be impacted to
extend an existing culvert as part of the proposed road widening.
Site 8 NA
0.06 acres of pond fill
iii MacKenan Drive i Cary, North Carolina z75ii i tel: 919.469.3340 i fax: 919.467.6008 i www.withersravenel.com
l07 Stokley Drive i Suite l04 i Wilmington, North Carolina z84o3 i tel: 9io.256.9z77 i fax: 91o.z56.z584
~ Page 2
February 6, 2007
Within the proposed subdivision we have made the following changes:
Impacts Removed: R9, S3, Sit, S13, and G3
Impacts Added: R10, R11, R12, R8A, S16, 517, S18, S19, and G11
Your letter also asks for the following information:
1) Please detail the site selection process, including all potential site sites
considered at the conception of the project and the reason for not selecting each
site.
This site was chosen because ofthe availabilityofa majortransportation access
provided by NC DOTon US 6~ and l Sao. Alternative locations did not have infrastructure
to supportsuch a large-scale project. In addition, due to the construction ofUS 6~ and l-
54 0, the housing need in this area has increased, making this a viable project, whereas
without these highway improvements, this project would not be proposed at this
location. In addition, the Town of Wendell installed the force main many years ago in
anticipation of the growth in the region and we are hooking on to that line which is
currently at approximately 20 % capacity. No othersite ofsimilarsize known to the
applicant offers the transportation and utility infrastructure availability that Wendell Falls
does, and as a result, no othersites were considered.
2) Further information is also needed for the justification of impacts at areas R2, R3,
Ry., and R9 due to the potential use of cul-de-sacs or road re-alignment rather
than stream crossings.
The proposed impacts are needed to provide interconnectivity, are a requirement by
the Town of Wendell (see attached letter from the Town), and are needed to provide
additional entrances for emergency vehicles. l have included a brief response from
ourtraffic engineerbelow.•
The current alignment ofthe Southern Col%ctor, as well as TaylorRoad, provides an
efficient, purposeful parallel alternative to Wendell Falls Parkway. As an arterial
roadway, Wendell Falls Parkway is designed to favorthrough movements as vehicles
travel from majororigins to destinations overlongerdistances; whereas the objective
ofa collectorroute, such as TaylorRoad and the Southern Collector, is to provide
access and allow forsafe and efficient fuming movements forlocal trips. The current
roadway network in Wendell Falls provides an ideal roadway network that allows
vehicles to travel within the site without accessing Wendell Falls Parkway. Whenever
vehicles do not ha ve to utilize Wendell Falls Parkway for tra vel within the site, the
tra>~c operations on the Parkwayimprove and extend the lifespan ofthe roadway.
• Page 3
February 6, 2007
Additionally, severing the east-west connection of the Southern Col%ctor would
isolate several parcels of the project from the remainder of the land uses. Without
both stream crossings, vehicles from the southeast parcels could only access the
retail and office parcels of the site from Wendell Falls Parkway rather than using the
Southern Collector. The retail parcels are designed to be accommodating to the local
residents providing services designed to their convenience, making the retail parcels
a common destination from within the site. This would result in elevated traffic
turning volumes on Wendell Falls Parkway at the major intersections, resulting in
increased delay and queuing: Also, without both stream crossings, the internal
connection to the proposed elementary school site will be lost and parents from
within the site will be forced to travel down Wendell Falls Parkway and on to Martin
Pond Road to access the school. The result is every vehicle needing to use the
driveway connection on Martin Pond Road to enter and exit the school, leading to
long lines to drop offkids and exit the school in the morning peak hour.
It is good design practice to provide parallel alternative routes for major arterials so
the heavy burden ofaccommodatingtnrning movements can be handled by the lower
speed, lower volume roadways. The current design shown for Wendell Falls allows
interconnectivity through the site and the Southern Collector is a major part of the
network. Eliminating one of the stream crossings would result in an increased
burden beingplaced on Wendell Falls Parkwayand the result would be poorlevels-of
service and operation on the Parkway.
3) Impacts S11 and S12 appear to serve no purpose/need, as well as S15 and R8.
Therefore, justification for these impacts is also necessary. If any impacts are
expected within these areas from future development, they should be included
within this permit application.
These impacts are needed in order to provide sewer service to the proposed
residential homes and to provide access to `high ground : We have revised our site
plans to show the proposed lots in these areas and have also included the additional
stream impacts needed to develop these parcels. The additional impacts are
detailed below.
4) Please indicate if any impacts are necessary for the construction of the schools
identified on the impact map. If these schools are a required component from a
local or State permitting agency and have the potential for impacts to
jurisdictional features, layout details should be included within this permit
application.
Wendell Falls has contracted with Wake County Public School System to sell 16.8
acres known as FUT-s on the approved masterplan foran e/ementaryschool (nearthe
proposed park /and along Mark's Creek Corridor). The othersites, fUT-z and FUT3
(currently Labe/ed as Future Development) were not accepted due to proximity to
otherschools and otherpotential school sites in the immediate area.
• Page 4
February 6, 2007
5) Please clarify if there are any potential impacts to the pond shown north of impact
S6 and G6.
The proposed road will impact approximately o.06 acres of open water,• we have
revised ourimpact maps and tables to reflect these changes.
6) The greenway and sewer impacts appear separate throughout the project rather
than co-located. Please provide additional information as to why they cannot be
co-located within the same construction corridor.
Wherever possible, the greenway trails and utility corridors have been co-located in
orderto minimize impacts.
7) The compensatory mitigation plan will need finalizing once all minimization and
avoidance measures have been completed. Please continue to work on this plan
and provide us the status of your progress in your response letter.
We are still working with our attorney to Fnalize the mitigation areas. In the
meantime, EEP is willing to accept payment to satisfy mitigation requirements.
8) In a letter dated June 9, Zoo6, the SHPO office requested that the Corps establish
the permit area for determination of potential archeological surveys. Due to the
location and number of impacts to jurisdictional features, the permit area will
encompass the entire site.
In /anuary, zoo7, we met with Ms. Delores Hal! to discuss the need for archeological
surveys. Approximately s2 sites were initially identiFed as having the potential to
contain historical artifacts. Based on aerial data and deed records, it was determined
that 7-8 sites would need to be surveyed. We have retained the services of an
archeologist to conduct Feld surveys and will continue to work with the SHPO to
insure thatanysensitivearckeological areas are protected.
We also received comments from the North Carolina Wildlife Resource Commission
(NCWRC) and the U.S. Fsh and Wildlife Service. I have included a response to their
requests below:
The NCWRC had the following comments:
i) Please clarify the reason curb-and-gutter will be used on the acceleration ramp
and how stormwater runoff will be managed.
Forthe interchange, the acceleration ramp has no proposed curb andgutter.
The loop-ramps (Loops B & CJ do have curb & gutter on the inside (low side of
superelevation) which is NCDOTstandard design procedure.
The storm water collected on the low side of the loop-ramps will be discharged into level
spreaders before beingre/eased to the receivingstream.
• Page 5
February 6, 2007
2) A table that delineates each stream crossing (e.g. FM1) and includes stream type,
impact (temporary or permanent), the total linear feet of impact, and the type of
impact would be helpful in our review of the project.
Tables were provided in the original permit application that indicated the type of
impact and the linear feet of impact however, they were not included in the public
notice. lmpacts for the roadways (labeled R) will be permanent impacts due to
culvert installation (with the exception of Site 2 along the parkway, this will be an
arch culvert). Any impacts due to the utility line installation (labeled Si, or WiJ will be
temporary. Greenway impacts (identified as GJ will be permanent impacts due to
culvert installation. All ofthe proposed stream impacts are to perennial channels.
3) A table that delineates each of the wetland impacts and includes wetland type,
impact (temporary or permanent), the total acreage of the impact, and the type of
impact would be very helpful in our review of the proposed project.
Tables were provided in the original permit application that indicated the type of
impact and the square feet of impact, however, these tables were not included in the
public notice. lmpacts for the roadways (labeled R) will be permanent impacts due to
road fill. Any impacts due to the utility line installation (labeled FMl, Sl, or Ws) will be
temporary. Greenway impacts (identified as GJ will be permanent impacts due to
culvertinstallation orfill. l have listed the wetland types belowand the impacttables
are included with the attachments.:
lmnact Wetland Tvae
Ri HeadwaterForest
R2 Beaverlmpoundment
R3 Beaverlmpoundment
R~ HeadwaterForest
RS HeadwaterForest/BottomlandHardwood
R6 HeadwaterForest/Bottomland Hardwood
Rso HeadwaterForest
Rsz HeadwaterForest
GZ Beaverlmpoundment
G~ Beaverlmpoundment
GS Beaverlmpoundment
G6 Beaverlmpoundment
G7 HeadwaterForest
G8 Beaver/mpoundment
GTS HeadwaterForest
S~ Beaverlmpoundment
SS Beaverlmpoundment
56 Beaver/mpoundment
S~ HeadwaterForest
• Page 6
S8 Beaverlmpoundment
Szs HeadwaterForest
Sz3 Beaverlmpoundment
516 Beaverlmpoundment
Si7 HeadwaterForest
518 HeadwaterForest
Sly HeadwaterForest
Ws HeadwaterForest
W2 HeadwaterForest
February 6, 2007
4) Use of directional bore at utility crossings would avoid several impacts to stream
channels and/orwetlands within the project boundaries.
After reviewing the proposed utility crossings, we have eliminated impacts 53, FMs,
through the use ofdirectionalboring
5) For sewer crossings S1, S7, Sii, the reason these stream crossings are needed is
unclear.
Because this is a gravitysewer, the impacts atSi and S7 could notbe avoided due to
topographical constraints. Impact Ssi is needed to serve the proposed development
on the other side of the creek. We have also provided an over-all map at i:goo
scales, so that the proposed impacts are more easily identified.
6) It appears that gravity sewer will be installed along Mark's Creek and several
tributaries to Mark's Creek. There is the potential for indirect impacts to aquatic
and terrestrial wildlife resources depending on the proposed setbacks for the
sewer and whether any sections would be installed within the loo-year
floodplain. Therefore, please provide information on the proposed setback from
the stream channel and what portion if any, of the sewer will be installed within
the ioo-year floodplain....
With the exception of impact 516, the proposed sewer line will be installed outside of
the Neuse Riparian Buffer (i.e. the set back will be So-feet from Mark's Creek). /t
should also be noted that we will preserve amajority ofthe ioo-floodplain as pan` of
the proposed park to serve Wake County and the residents of Wendell Falls
Subdivision. Approximately z, 660 linear feet of the proposed sewer line will be
located within the ioo year flood plain. To protect the adjacent streams, manholes
within the ioo year floodplain will be constructed with the manhole rim located a
minimum of i-foot above or by providing sealed manholes. Sealed manholes will be
equipped with acam-lok type water tight manhole frame and cover. Each sealed
manhole will have a vent with its opening at least one foot above the ioo year flood
e/evation. The vent pipe will have a cast in place pipe flange iz inches above the
manhole.
• Page 7
February 6, 2007
7) Please provide information on how the greenway trail would cross streams and/or
wetlands. We recommend the use if bridges for stream crossings and boardwalks
for wetland areas. If culverts are proposed for stream crossings, please include
the reason why bridges are not proposed orwere not considered.
As part of our effort to minimize impacts, in addition to utilizing a directional boring at
impact S3, the applicant proposes to construct a bridge for the greenway crossing
previously proposed as impact G3. Due to the cost of bridging the remaining
stream/wetland crossings, will employ culverts in orderto provide access to maintain
the greenwayand/or utility lines.
8) A detailed mitigation plan should be submitted.
The NCEEP has agreed to accept to satisfy mitigation requirements. A copy of their
acceptance letter is attached. We are also working with the USACE to develop a
mitigation plan that will preserve the remaining wetlands/streams and riparian
buffers in perpetuity.
With respect to the comments from the USFWS, the applicant proposes to satisfy
mitigation requirements by placing deed restrictions on the remaining
wetlands/stream channels and creating a 16o-acre park along the Mark's Creek
Corridor. Mitigation will comply with both the USACE and the NC-DWQ requirements.
Additionally, in orderto protect downstream water quality the applicant will provide
stormwater BMP's (i.e. constructed wetlands, level spreaders, and/or bio-retention)
in accordance with the 401 Certification requirements for projects located in Nutrient
Sensitive Watersheds.
We trust this information will allow you to complete your review of this project.
Please feel free to call if you have questions or require additional information.
Sincerely,
WITHERS & RAVENEL, INC.
----~
~~ ct--~-~_ - -
Todd Preuninger
Director of Wetlands and Biological Sciences
Attachments:
1) Revised Impact Maps and Tables
2) Letter of Justification from the Town of Wendell
3) Delineation Map
Cc: Cyndi Karoly- NC-DWQ
01/05/2007 18:21 9193656603 TOWN OF WENDELL
TOWN OF WENDELL
wEHaeu. NOR,N cARaINA
TIMQTNV A• NINNANt, MAYOR
TIMOTNY C. BURC~E33, TOWN MANAGER
Nw
JAMES P. CAUIEV, Iq, TOWN ATTORNEY ~ I
~• -ap
"®~
.~
Smafl Town Chnrm - Copltal Cky Connection
Mr. Monte Matthews
U. S. Atmy COrp9 of Bngineer6
Raleigh Regulatory Field Office
6508 Falls of the Neuse Road
Suite 120
Raleigh, NC 27615
Re: Wendell Falls Action 1D SAW-2005-20100-292
Dear Mr. Matthews:
rraUE ez
WN.LIAM L. CONNOIIV
CAROL R. NMMMNT
TERRVNpDpEB
QH~-BCARlDRO. JR.
RONALD W. TlIpMPBpN
The Town of Wendell approved the Wendell Falls PiJD on October 9, 2006 in accordance
with the Town of Wendell, Wake County, State and Federal regulations.
With regard to your comments on the permit appliuuion, impacts R-8, R-3, R-4, and R 2 are
required by the Town of Wendell fot traffic flow and iMerconnectivity. Please note that
Wendell Falls Development went through a lengthy and expensive process to move the
parkway resulting is dramatically lower impacts to R-4 and R 2.
Thank you for your time and consideration in this matter. Please feel free to ooMacx the at
365-4448 if you have airy further questions or comments.
S'
s 'l1s
Planner
1S E. FOURTH STgEET • P.p. 80X 828 • WENDELL, NC 27591
TELEPHONE: (919) 365-4444 • FACSIMILE: (9191385-9387 • WEBPAGE: WWW.TOWNOFWENQELL.COM
~~
RICHARDSON ROAD TO BE
PAVED TO POOLE ROAD
2
R =ROADWAY CROSSING
S =SEWER CROSSING
G = GREENWAY GROSSING
FM =FORCE MAIN CROSSING ~
W =WATER LINE CROSSING W
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PERENNIAL STREAMS
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ROADWAY IMPACTS
ZON E 1: ZON E 2: STREAM: WETLANDS:
IMPACT# S.F. AC. S.F. AC. L.F. S.F. AC. S.F. AC. FILL (CY)
R1 10,481 0.24 5,845 0.13 152 304 0.007 7 0.00 1
R2 10,249 0.24 6,931 0.16 160 640 0.015 33,090 0.76 2,451
R3 9,400 0.22 2,483 0.06 138 839 0.019 15,485 0.36 1,147
R4 10, 390 0.24 5, 574 0.13 150 300 0.007 439 0.01 33
R5 8,803 0.20 5,351 0.12 137 548 0.013 2,601 0.06 193
R6 9,473 0.22 5,882 0.14 144 432 0.010 8,433 0.19 625
R7 365 0.01 1,691 0.04 0 0 0.000 6,673 0.15 494
R8 10,714 0.25 6,426 0.15 175 700 0.016
R8A 8,617 0.20 5,225 0.12 134 536 0.012
R10 0 0.00 0 0.00 0 0 0.000 490 0.01 36
R11 12,015 0.28 6,426 0.15 222 888 0.020
R12 8,826 0.20 5,001 0.11 138 552 0.013 1,171 0.03 87
TOTAL 99, 333 2.28 56, 835 1.30 1, 550 5, 739 0.132 68, 389 1.57 5, 066
GREENWAY IMPACTS
ZON E 1: ZON E 2: STREAM: WETLANDS:
IMPACT# S.F. AC. S.F. AC. L.F. S.F. AC. S.F. AC. FILL (CY)
G 1 782 0.018 471 0.011 11 22 0.001
G2 839 0.019 557 0.013 11 22 0.001 1,207 0.03 89
G3 604 0.014 432 0.010 0
G4 875 0.020 476 0.011 12 24 0.001 3,680 0.08 273
G5 862 0.020 489 0.011 11 22 0.001 608 0.01 45
G6 742 0.017 414 0.010 12 105 0.002 3,641 0.08 270
G7 643 0.015 894 0.021 10 20 0.000 967 0.02 72
G8 340 0.008 277 0.006 6 197 0.005 563 0.01 42
G9 1,080 0.025 244 0.006 0
G 10 1,495 0.034 313 0.007 0
G 11 0 0.000 0 0.000 0 0 0.000 231 0.01 17
TOTAL 8,262 0.190 4,567 0.105 73 412 0.009 10,897 0.25 807
PERMANENT IMPACTS
IMPACT ZON E 1: ZON E 2: STREAM: WETLANDS:
TYPE S.F. AC. S.F. AC. L.F. S.F. AC. S.F. AC. FILL (CY)
ROADWAY 99,333 2.28 56,835 1.30 1,550 5,739 0.132 68,389 1.57 5,066
GREENWAY 8,262 0.19 4,567 0.10 73 412 0.009 10,897 0.25 807
TOTAL 107,595 2.47 61,402 1.41 1,623 6,151 0.141 79,286 1.82 5,873
II WENDELL FALLS III PERMANENT MPACTS III WITHERS LANMIR:RAVENEL II
SEWER I MPACTS
IMPACT # ZON
S.F. E 1:
AC. ZONE 2:
S.F. AC. STREAM:
L.F. S.F. AC. WETLANDS:
S.F. AC.
S1 2,341 0.05 1,349 0.03 34 68 0.002
S2 5,226 0.12 2,670 0.06 82 164 0.004 7,053 0.16
S4 4,840 0.11 2,774 0.06 78 156 0.004 21,467 0.49
S5 4,374 0.10 3,216 0.07 63 126 0.003 4,105 0.09
S6 4,504 0.10 2,665 0.06 71 405 0.009 27,355 0.63
S7 1,953 0.04 1,220 0.03 31 62 0.001 2,264 0.05
S8 1,390 0.03 1,151 0.03 22 812 0.019 2,253 0.05
S9 2,095 0.05 712 0.02 39 78 0.002
S10 2,259 0.05 1,252 0.03 33 66 0.002
S 11 1,475 0.03 962 0.02 20 220 0.005 768 0.02
S 13 3, 937 0.09 2, 776 0.06 66 132 0.003 6, 656 0.15
S15 2,435 0.06 1,469 0.03 35 70 0.002
S16 0 0.00 0 0.00 0 0 0.000 15,718 0.36
S 17 0 0.00 0 0.00 0 0 0.000 566 0.01
S 18 0 0.00 0 0.00 0 0 0.000 1, 067 0.02
S 19 0 0.00 0 0.00 0 0 0.000 821 0.02
TOTAL 36,829 0.85 22,216 0.51 574 2,359 0.054 90,093 2.07
WATER LINE IMPACTS
ZON E 1: ZONE 2: STREAM: WETLANDS:
IMPACT # S. F. AC. S. F. AC. L.F. S. F. AC. S. F. AC.
W1 3,486 0.08 1,472 0.03 31 1,091 0.025 .487 0.011
W2 38 0.001
TOTAL 3,486 0.08 1,472 0.03 31 1,091 0.025 525 0.012
UTILITY LINE IMPACTS
IMPACT ZON E 1: ZON E 2: STREAM: WETLANDS:
TYPE S.F. AC. S.F. AC. L.F. S.F. AC. S.F. AC.
SEWER 36,829 0.85 22,216 0.51 574 2,359 0.054 90,093 2.07
WATER 3,486 0.08 1,472 0.03 31 1,091 0.025 525 0.01
TOTAL 40,315 0.93 23,688 0.54 605 3,450 0.079 90,618 2.08
WENDELL FALLS IMPACT TABLES W~THERB ~ RAVENEL
UTILITY LINE IMPACTS [Mi1Mt[RS I -LANi[lf I fYRVlVOif
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LEGEND ~
ZONE 1 - - 10,481 SF (0.24 AC) ~
ZONE 2 - ® - 5,845 SF (0.13 AC)
STREAM: • • • ~ GRAPHIC SCALE
LF - 152 ~ goo o so ioo 200
AREA - 304 SF (0.007 AC) ~
WETLANDS - a .k ~ ~J; ~ ~ 1 inch = 100 ft.
7 SF 0.000 AC
WENDELL FALLS STREAM IMPACTS W~THER8 ~ RAVENEL
INfINLtff 1 -LANNLff 1 ffRYlYOff
WENDELL WAKE NORTH CAROLINA R1 ~ ~
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LEGEND
ZONE 1 - - 10,249 SF (0.24 AC) ~~t: ~~~~
ZONE 2 - ® - 6,931 SF (0.16 AC) ~ ~' ~ ~`~
d
STREAM: • • • ' } ~ GRAPHIC SCALE
LF - 160 `~,, ~ 00 o so ~ 00 200
AREA - 640 SF (0.015 AC) w, ,~
WETLANDS - 33,090 SF 0.76 AC 1 inch = 100 ft.
STREAM IMPACTS WITHERS ~ RAVENEL
WENDELL FALLS NN~IN[[Rf 1 •LANN{!s ~ susv[roes
WENDELL WAKE NORTH UROLINA R2
\05\05-2 05281,01\owo Pw" FAbb\St. - J—y u. 2002 - DWA»c PETERSON
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ZONE 1 — —9,400 SF (0.22 AC)
ZONE 2 — ® —2,483 SF (0.06 AC)
i
STREAM' f /
GRAPHIC SCALE
LF — 138
100 0 50 100 200
AREA — 839 SF (0.02 AC)
WETLANDS— — 15,485 SF (0.36 AC)
1 inch = 100 h.
STREAM IMPACTS
WITHERS &— RAVENEL
WENDELL FALLS
R3
ENGINEERS 1 PLANNERS 1 SURVEYORS
WENDELL WAKE NORTH CAROLINA
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LEGEND ~
ZONE 1 - - 10,390 SF (0.24 AC) ~~1 ~ ~
ZONE 2 - - 5,574 SF (0.13 AC)
® ~~~ ~ J
STREAM: • • • (r ~ ~ GRAPHIC SCALE
LF - 150 ~ ~ ~ ~ ~ ~ ~ i oO o so i oo zoo
AREA - 300 SF (0.007 AC) j ~ i t
WETLANDS - s ~ l ~ 1 inch = 100 ft.
439 SF 0.01 AC
STREAM IMPACTS WITHERS ~ RAVENEL
WENDELL FALLS A LNi1NtlNf 1 -tANNLRi i suuvLroes
WENDELL WAKE NORTH UROLINA ~ R4 ~
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LEGEND r
/
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~~
ZONE 1 - - 8,803 SF (0.20 AC) -., { f ~ ~~
,
I II
ZONE 2 - ® I
,-
- 5,351 SF (0.12 AC) /~? ~
STREAM: •••
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(' 100 0 50 100 200
~~ - 013 AC) ~ ~'°'"'~
548 SF
0
(
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WETLANDS - - 2,601 SF (0.06 AC) 1 inch = 100 ft.
WENDELL FALLS STREAM IMPACTS WITHERS ~ RAVENEL
R5 {M•IN[!Rf 1 MANN{ff t fY{VltO{f
WENDEII WAKE NORTH UROLINA
F:\OS\0!~200\wI01.~1\/~ rwn.. cm~wv\avan ~wwmw~w9_'~°'"'° _
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LEGEND %~ ~'"?'__M
,,.`
ZONE 1 - - 9,473 SF (0.22 AC) ~_
ZONE 2 - ® - 5,882 SF (0.14 AC)
STREAM: ...
LF - .- .--~ GRAPHIC SCALE
144 ,r ~, ~-'"~
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~~ - 432 SF (0.010 AC) ~ '' r/ ,,
WETLANDS - - 8,433 SF (0.19 AC) ~ / 1 inch = 100 ft.
WENDELL FALLS STREAM IMPACTS WITHERS ~(' RAVENEL
R6 llllMllli 1 -LAIINIIi 1 fYlrlrOls
WENDELL WAKE NORTH CAROLINA
i ~~ _
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LEGEND ' ._.
ZONE 1 - - 365 SF (0.01 AC) ,
ZONE 2 - ® - 1,691 SF (0.04 AC) - =
STREAM' "' - GRAPHIC SCALE
LF - 0 ,,.°` i o0 o so i o0 200
AREA - 0 SF (0 AC) ~~~~~" ~'`
~. e~
WETLANDS - - 6,673 SF (0.15 AC) '',., 1 inch = 100 ft.
WENDELL FALLS STREAM IMPACTS W~THERB ~" RAVENEL
lR•IRtfRf 1 ~~AMNIff 1 fRRYlYORf
WENDELL WAKE NORTH GROIINA R7 ~ > >
\06\05-160\06761.01\M P --A EhNb,\Str— J.—,y M 2007 — DWAYNE PETOMM
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R12 LEGEND
ZONE 1 — — 8,826 SF (0.20 AC)
ZONE 2 — ® — 5,001 SF (0.11 AC)
STREAM: ...
LF - 138 ` ` GRAPHIC SCALE
100 0 50 100 200
AREA — 552 SF (0.013 AC)
WETLANDS —
— 1,171 SF (0.03 AC) 1 inch @ 100ft.
WENDELL FALLS STREAM IMPACTS WITHERS &- RAVENEL
1
1-- —.—r•o^111• R12 if Rl[![!f 1 PlA[!!Rf 1 fYRYlYO[f
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~~,~ ioo o so ioo zoo
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S1 LEGEND G1 LEGEND
ZONE 1 - - 2,341 SF (0.05 AC) ZONE 1 - 782 SF (0.018 AC)
ZONE 2 - ® - 1,349 SF (0.01 AC) ZONE 2 - 471 SF (0.011 AC)
STREAM: ... STREAM:
~ - 34 LF - 11
~~ - 68 SF (0.002 AC) AREA - 22 SF (0.001 AC)
WENDELL FALLS STREAM~IMPACTS W~TNER8 ~' RAVENEL
S1 O G~ [Nf INttAt I -LANNf Ri 1 fYIV[VONf
WENDELL WAKE NORTH UROLINA , ~ ~~ „ ~
S2 LEGEND G2 LEGEND
ZONE 1 - - 5,226 SF (0.12 AC) ~ ZONE 1 - 839 SF (0.019 AC)
ZONE 2 - ® ~~
- 2,670 SF (0.06 AC) =~ ZONE 2 - 557 SF (0.013 AC)
STREAM: ... STREAM:
~ _ 82 LF - 11
AREA - 22 SF (0.001 AC)
AREA - 164 SF (0.004 AC) ~
.
. ~. _ WETLANDS - 1207 SF (0.03 AC)
WETLANDS - - 7,053 SF (0.16 AC)
STREAM IMPACTS WITHERS ~' RAVENEL
WENDELL FALLS S2 ~ G2 {N{INL{Rf 1 /LAMP{lf 1 fYRY{YO{{
WENDELL WAKE NORTH UROLINA n~k~ rs~
N:\05\05-260\05261.01\DMO Pwm6 ExhObit.\St ro Cr I,gw.dwp- E*b—y 6. 2007 - DWAINE PETERSON
R: os~os-ieo\wza~.ui r,•~~~o.m~ .*~q...,.rv-'^^ -
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S4 LEGEND G4 LEGEND
ZONE 1 - - 4,840 SF (0.11 AC) ZONE 1 - 875 SF (0.020 AC)
ZONE 2 - ® - 2,774 SF (0.06 AC) ZONE 2 - 476 SF (0.011 AC)
STREAM: •-• STREAM:
LF - 78 LF - 12
~~ - 156 SF (0.004 AC) AREA - 24 SF (0.001 AC)
WETUWDS - - 21,467 SF (0.49 AC) WETLANDS - 3,680 SF (0.08 AC)
WENDELL FALLS STREAM IMPACTS WITHERS ~ RAVENEL
S4 & G4 RNRINRRRR I ~LANNIRf I RNRYRtORf
WENDELL WAKE NORTH CAROLINA wnn
w\w-Z00 w v. y.n~ rw..n ww.v~avan .wwwiP. aarx.ary <~. Zw
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S5 LEGEND s ~~~f ~ f ~/ ,t ~ G5 LEGEND
ZONE 1 - - 4,374 SF (0.10 AC) o ~~ ~ ~ ~ ~ \ ZONE 1 - 862 SF (0.020 AC)
ZONE 2 ® - 3,216 SF (0.07 AC) ~ `~' ~ - _ ZONE 2 489 SF (0.011 AC)
STREAM: ... ~~~ ~ ~`~.,~~,~,, ~'" ~'_ _-_ STREAM:
t ~: ~~4~ mm
AREA - ` ``°~-,.,,~~^-.'`~'`` ~~'=~ AREA - 22 SF (0.001 AC)
126 SF (0.003 AC) ,~~`~._.- ~-..,ry1- ,, ~ .~., ~'_W„
WETLANDS - -~`~`~- ~'`'~` ~~' ~"'~~~~ ~. WETLANDS - 608 SF (0.01 AC)
- 4,105 SF (0.09 AC) ~~~,~ ~~ •~;;;
WENDELL FALLS STREAM IMPACTS W~THERB ~ RAVENEL
S5 & G5 ^Mflf tllf 1 ~IAMNRtf 1 fORYRrORf
WENCfIL WAKE NORTH GROUNA
~~ w ~.~
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I GRAPHIC SCALE
~% '' ioo o so ioo zoo
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1 inch - 100 ft.
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S6 LEGEND f-N',f' ~~ ~" f,, G6 LEGEND
r '~,,! , r ~ ZONE 1 - 742 SF (0.017 AC)
ZONE 1 - - 4,504 SF (0.10 AC) /~ ' /~ /
ZONE 2 - ® - 2,665 SF (0.06 AC) ~,~ , / ~ ~ f ZONE 2 - 414 SF (0.010 AC)
STREAM: ... % ` ~ ~ f ~ STREAM:
LF- 71 ~ f ~ / }~ J~ ~~ LF- 12
r / f
AREA 405 SF (0.009 AC) ,~ , ~ 1 ~ ~ f ~ AREA - 105 SF (0.002 AC)
WETLANDS - - 27,355 SF (0.63 AC) /~ '~ `~• ~ ~ ~ 0 / WETLANDS - 3,641 SF (0.08 AC)
WENDELL FALLS STREAM IMPACTS WITHERS ~ RAVENEL
S6 & G6 lN~INlLR! 1 ~LANNlR! 1 fYRYlYOR!
WENDELL WAKE NORTH UROLINA
c:\OS\OS-2E0\05zO1.Y1 \u~a wmv[ uaxero\man ~-.vw.p..v.q- w.w.~ ..~~ .w.
G7 LEGEND
ZONE 1 - 643 SF (0.015 AC)
ZONE 2 - 894 SF (0.021 AC)
STREAM:
LF - 10
AREA - 20 SF (0.000 AC)
WETLANDS - 967 SF (0.02 AC)
GRAPHIC SCALE
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1 inch = 100 ft.
G8 LEGEND
ZONE 1 - 340 SF (0.008 AC)
ZONE 2 - 277 SF (0.006 AC)
.-ay 1. ~ c ( - "r' :.. STREAM:
.. ~... ~ .
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~ I,
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S7 LEGEND ~,,.-- - S8 LEGEND
ZONE 1 - - 1,953 SF (0.04 AC) r ZONE 1 - - 1,390 SF (0.03 AC)
ZONE 2 - ® - 1,220 SF (0.03 AC) ~J ,.~-' ZONE 2 - ® - 1,151 SF (0.03 AC)
~,, ~
STREAM: ... ' ' • ~~`_:--. '°~ STREAM: .. .
LF - 31 f °°~ ~ ~ - 22
AREA - 62 SF (0.001 AC) ' f/`~~ •`'- AREA - 812 SF (0.019 AC)
WETLANDS - - 2,264 SF (0.05 AC) ~ ~ `~ WETIJ~NDS - 2,253 SF (0.05 AC)
WENDELL FALLS STREAM IMPACTS WITHERS ~ RAVENEL
S7 & S8 - G7 & G8 RNtINRIRS I •LANMRRR I fNRYRtORs
WENDELL WAKE NORTH UROLINA
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S9 LEGEND 'P
ZONE 1 - - 2,095 SF (0.05 AC) ,. r
ZONE 2 - ® - 712 SF (0.02 AC) ~• .
STREAM: ...
LF - 39 ~ `,,
~~ - 78 SF (0.002 AC) ~ ~'" _
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G9 LEGEND
ZONE 1 - 1,080 SF (0.025 AC)
ZONE 2 - 244 SF (0.006 AC)
STREAM:
LF- 0
AREA - 0 SF (0.000 AC)
WENDELL FALLS STREAM IMPACTS WITHERS ~ RAVENEL
S9 & G9 RN{INRRRS 1 ~IANNRRf 1 lYRVRrORR
WENDEII WAKE NORTH UROL~NA ~~~ ~^•~ ~~ ua
,,...~' +~,,•^'° ~. "'ter s
LEGEND
ZONE 1 - - 2,259 SF (0.05 AC)
ZONE 2 - ~ - 1,252 SF (0.03 AC)
STREAM: ...
LF - 33
~~ - 66 SF (0.002 AC)
1~_
GRAPHIC SCALE
100 0 50 100 200
1 inch = 100 ft.
WENDELL FALLS STREAM IMPACTS WITHERB ~ RAVENEL
RNfINYIRf 1 ~LANNRRf 1 fYRYlrORf
WENDELL WAKE NORTH GROLINA ~ ~ O n i_
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ZONE 1 - - 1,475 SF (0.03 AC) `~`~,
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STREAM: ... _-----
LF - 20 GRAPHIC SCALE
100 0 50 100 200
~~ - 220 SF (0.005 AC)
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WENDELL FALLS STREAM IMPACTS W~THER8 ~ RAVENEL
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WENDELL FALLS STREAM IMPACTS WITHERS ~ RAVENEL
C
C' ~ ~ lNfIN{{Rf 1 ~LANN^ll IfYRYtYORf
WENDELL WAKE NORTH CAROLINA ~,
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~ - 35 ~ GRAPHIC SCALE
ioo o so goo soo
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1 inch = 100 ft.
WENDELL FALLS STREAM IMPACTS WITHERS ~ RAVENEL
S1 ~ ltlfltlttRf 1 ~LAllffff 1 itlfYlYOff
WENDELL WAKE NORTH CAROLINA
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WENDELL FALLS STREAM IMPACTS WITHERS ~ RAVENEL
S16 iM~iN~[^s ~ ~~~rM~as ~ suaveroes
WENDELL WAKE NORTH CAROLINA
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S17 LEGEND ~ ~'~ a ~/~~ G11 LEGEND
ZONE 1 - - 0 SF (0 AC) ~'~_,,, '`~ ZONE 1 - 0 SF (0 AC)
~~ ~~~ /
ZONE 2 - ® - 0 SF (0 AC) ~_ ~~~t., ZONE 2 - 0 SF (0 AC)
STREAM: ... ~-`- I STREAM:
LF - 0 I AREA, - OOSF (0 AC)
~~ - 0 SF (0 AC) I
WETLANDS - I WETLANDS - 231 SF (0.01 AC)
- 566 SF (0.01 AC)
WENDELL FALLS STREAMpIMP1ACTS W~THERH ~' RAVENEL
S~ 7° G 1~ RN~IMYRRf 1 -LARNIRi 1 IYRYIYORf
WENDELL WAKE NORTH UROLINA
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S18 LEGEND ~V S19 LEGEND
ZONE 1 - - 0 SF (0 AC) ZONE 1 - - 0 SF (0 AC)
ZONE 2 - ® - 0 SF (0 AC) ZONE 2 - ® - 0 SF (0 AC)
STREAM: • • • STREAM:
LF - 0 LF - 0
~~ - 0 SF (0 AC) AREA - 0 SF (0 AC)
WETLANDS - - 1,067 SF (0.02 AC) WETLANDS - - g21 SF (0.02 AC)
WENDELL FALLS STREAM IMPACTS W~THERB ~ RAVENEL
.2,,,,,,, ..,.~. „„DT.. ~.e,,,,.,. S18 & S19 IMtlNtttf 1 ~LANN[tt 1 fttYt70tt
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~~~~~~~ WENDELL FALLS~~R~~~~R~ ~~~~~ STREA G10PACTS ~~~ W~THER8~~~~RAVENEL ~~
SUMMIT
Consulting Engineers, PLLC GEOTECHNICAL • PLANNING • ENGINEERING • SURVEYING • CONSTRUCTION MANAGEMENT
November 27, 2006
The Louis Berger Group, Inc.
1513 Walnut Street, Suite 250
Cary NC 27511
Attention: Mr. Dean Hatfield, P.E.
Director of Transportation Engineering
Reference: Louis Berger Project: OR1012
Summit Project Number: 06-038
Description: Bridge on Wendell Falls Parkway (-Y101-) over Stream Crossing #3
Subject: Bridge Foundation Investigation and Design Recommendations
Dear Mr. Hatfield:
Summit Consulting Engineers, PLLC is pleased to submit this report ofour Bridge Foundation Investigation and
Design Recommendations for the above referenced project. The purpose of this foundation investigation and
analysis was to determine the various soil profile components and the engineering characteristics ofthe foundation
materials, and to provide foundation design recommendations. This report presents a review of information
provided to us, a discussion of the site and subsurface conditions, and our foundation recommendations for the
proposed structure. The Appendix ofthis report contains a plan view ofthe site showing boring locations, boring
logs, appropriate cross sections across each bent, and a summary of laboratory testing.
I. PROJECT DESCRIPTION
The proposed bridge site is located at a northeast to southwest flowing, unnamed tributary of Mark's
Creek in eastern Wake County, North Carolina. The area on each side of the stream is undeveloped and
heavily wooded. A single span, ± 37.5 feet long, fill face to fill face, and ± 139 feet wide, out to out,
precast concrete arch bridge with a skew angle of 65°3'58" is proposed on -Y101-- over the unnamed
stream identified as Crossing #3. The precast arch bridge will extend from Station 99+91.76 to Station
100+29.26 on -Y101-. The approaches to the structure will require the construction of approach
embankments up to ± 17 feet above existing ground surface at end bent 1 and at end bent 2.
Page 1 of 4
1000 Corporate Drive Suite 101 Hillsborough, NC 27278 314-A South Madison Boulevard • Roxboro, NC 27573
Telephone X919) 732-3883 Fax (9i9) 732-6676 www.summit-engineercom Telephone (336) 599-3900 Fax (336) 599-7226
II. PHYSIOGRAPHY AND GEOLOGY
The proposed bridge site is located. approximately''/z mile upstream from the confluence ofthe unnamed
tributary and Mark's Creek in a wooded, undeveloped area. The small shallow stream is approximately 5
to 7 feet wide from top of bank to top of bank. The creek bed in several places consists of mass rock. In
addition, several smooth faced rock outcrops were observed adjacent to the stream, particularly to the
south of the bridge crossing.
Geologically, the site is Located within the Raleigh Geologic Belt. The Raleigh Belt is a complex
interlayered and interfingered sequence ofhigh- and low-grade metamorphic rocks oriented in a northeast
trending belt. The rock sequence reflects several episodes of deformation during which igneous intrusions
of various compositions, sizes and ages were emplaced. Specifically, the site is located within the most
extensive intrusion called the Rolesville batholith.
The Rolesville batholith is one of the largest plutons in the eastern United States that crops out in
northwestern Johnston County and covers a large area in eastern Wake County. The main rock of the
intrusive complex is granite. Primary minerals include quartz, feldspar, plagioclase, muscovite, and biotite
mica.
The soils weathered from the parent bedrock are generally sandy soils consisting of an upper layer of
clayey sand or silty sand underlain by medium to coarse sand. The clay content within the soil profile
generally decreases with depth; whereas, the sand content generally increases with depth. A zone of
partially weathered rock is generally encountered above bedrock.
III. SUBSURFACE INVESTIGATION
A subsurface investigation was conducted in September 2006 utilizing a CME 550x, all-terrain drill rig.
The investigation was conducted in general accordance with NCDOT, Geotechnical Guidelines and
Procedures Manual and generally accepted soil and foundation engineering practices. Eight (8) borings
were located and advanced to depths ranging from 1.6 to 12.0 feet below ground surface, utilizing 3 '/4" I-
D, hollow-stem augers, and NQ-2 core barrel. Soil samples were classified in the field by a qualified
engineer, and a representative number were submitted to our laboratory for testing. Rock coring was
performed at selected locations to define rock type and quality. The recovered rock was visually classified
and percent core recovery and Rock Quality Designation (RQD) values were determined in the field by
the field engineer. Water with no bentonite or other additives was used for drilling fluid.
Field reconnaissance, utility clearance, borehole layout and elevation control were performed by an
experienced Geotechnical Engineer. Cross section and soil boring surface elevations were referenced to
survey stakes at the site placed by Withers and Ravenel personnel.
IV. LAB TESTING
The samples obtained during the drilling operation were labeled, sealed, and transported to our
Hillsborough, North Carolina laboratory. All samples were examined and visually classified by a
Geotechnical Engineer. In addition to visual classification, representative soil samples were selected for
classification tests, including particle size analysis, AASHTO *T 88-93; liquid limit, AASHTO *T 89-93;
Page 2 of 4
plastic limit and plastic index, AASHTO *T 90-92; and moisture content, AASHTO T 265-86.-The
results of these laboratory tests are summarized in the appendix of this report.
* As modified by NCDOT Material and Test Unit
Rock cores obtained from this site were visually classified, photographed and stored for future reference.
V. SUBSURFACE CONDITIONS
Details of the subsurface conditions encountered at this site are shown on the individual boring logs and
coring logs, as well as cross-sections included in the Appendix of this report. A description of the
subsurface conditions encountered at the entire site is presented herewith.
At each end bent location, alluvial soils consisting of brown and tan, very loose to medium dense, silty-
sand (A-2-4), were encountered. The alluvial sands varied from 1.6 to 7.5 feet in thickness and quickly
graded with depth to weathered rock and hard rock (granite). Auger refusal or SPT refusal on hard rock
was encountered in every boring drilled at this location at elevations ranging from 242.7 ft. at EB 1-A to
247.3 ft. at EB 1-B. At EB 1-D and EB2-E, the rock was cored with between 100% recovery and RQD
values of 100% and 99% respectively. The cored rock consisted of tan-gray, slightly weathered, hard
granite.
Groundwater was not encountered in four (4) ofthe eight (8) borings drilled at this site at depths between
2.5 and 3.8 ft. below ground surface. Borings EB1-D and EB2-E were checked after twenty-four (24)
hours and drilling fluid was in the hole.
It should be noted that groundwater levels at this site may vary due to seasonal and climatical conditions.
VI. FOUNDATION RECOMMENDATIONS
The data obtained from the field and laboratory testing was evaluated by a Geotechnical Engineer and the
feasibility of utilizing spread footing foundations was assessed at each bent location. Based on the
shallow depth to weathered rock and hard rock, spread footing foundations are considered suitable for use
at this site. General foundation recommendations for each foundation type are presented below.
Spread Footings
Based on the subsurface conditions encountered, spread footing foundations are considered reasonable for
support of the proposed bridge at each end bent 1. Spread footings founded on the weathered rock or
hard rock with highest possible bearing elevations listed on the following page should achieve a safe
allowable bearing capacity of 10 ksf.
Page 3 of 4
``~r
Location Estimated Embedment Elevation (ft)
EB 1-A 242
EB 1-D 248
EB 1-E 244
EB 1-B 245.5
EB2-A 245.5
EB2-D 246
EB2-E 246.5
EB2-B 246
It is anticipated that excavations through soil and weathered rock may be accomplished with heavy
excavation equipment.
Ground water should be anticipated during excavation and construction of the shallow foundations.
All rock or other hard foundation material shall be cleaned of all loose material and cut to a firm surface,
either level or stepped. All seams shall be cleaned out and filled with concrete, mortar, or grout. All
loose and disintegrated rock and thin strata shall be removed. The rock surface shall be left in rough
condition, so as to form an adequate key against lateral movement of the footing.
VII. CHANGED CONDITIONS
Should plans for the proposed bridge be changed from those used in preparing this report,
Summit Consulting Engineers should be provided the opportunity to review the
recommendations in this report for either possible changes to the report or verification of the
information in the report.
VIII. DISCLAIMER
Summit Consulting Engineers has prepared this report for your use in accordance with generally
accepted geotechnical engineering practices. Analysis, conclusions, and other work produced by
Summit Consulting Engineers are instruments of service for this project only. Summit Consulting
Engineers' assignment does not include, nor does this geotechnical report address the
environmental aspects of the particular site.
Respectfully submitted,
SUMMIT CONSUL
.~' ~~M
•e
:~~
~~~ /,
~•o q
PLLC.
~~ J~
Don Dewey, P.E.
Manager, Geotecl
°o'••~;~'G1 N~
/ 1/ • ••~~NM~
Page 4 of 4
NORTH CAROL_INQ
- -W~e- - WETLAND BOUNDARY
~W`0~
\ WETLAND
~ - - J
DENOTES FILL IN
WETLAND
DENOTES FILL IN
SURFACE WATER
DENOTES FILL IN
SURFACE WATER
(POND)
T T (DENOTES TEMPORARY
I FILL IN WETLAND
E E, DENOTES EXCAVATION
IN WETLAND
DENOTES TEMPORARY
TS T.S FILL IN SURFACE
WATER
• • DENOTES MECHANIZED
+ * CLEARING
~ FLOW DIRECTION
TB
~- TOP OF BANK
-- WE EDGE OF WATER
PROP. LIMIT OF CUT
- --- F -- PROP. LIMIT OF FILL
-~- PROP. RIGHT OF WAY
- - NG- -NATURAL GROUND
- PROPERTY LINE
- TDE - TEMP. DRAINAGE
EASEMENT
-PDE- PERMANENT DRAINAGE
EASEMENT
- EAB- EXIST. ENDANGERED
ANIMAL BOUNDARY
- EPB- EXIST. ENDANGERED
', PLANT BOUNDARY
- -~ - - - WATER SURFACE
x x x x x LIVE STAKES
x x x
BOULDER
- - - COIR FIBER ROLLS
PROPOSED BRIDGE
PROPOSED BOX CULVERT
~~~~ PROPOSED PIPE CULVERT
12'-48'
(DASHED LINES DENOTE PIPES
EXISTNG STRUCTURES) 54' PIPES
& ABOVE
SINGLE TREE
WOODS L[NE
DRAINAGE INLET
ROOTWAD
RIP RAP
O ADJACENT PROPERTY OWNER
5 OR PARCEL NUMBER
IF AVAILABLE
PREFORMED SCOUR HOLE
LEVEL SPREADER (L S)
WENDELL FALLS
DE;VEI,OPbfF,1~'T, LLC
RARE CaUNTY
PROJECT: LBG ®RI012
WENDELL FALLS PARKa'AY
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Td SR 1007
SHEET 2 OF 20
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5!TE 7
~~ 8
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® THE LOUIS BERGER GROUP, Inc.
1513 Wah~ut Sheet, Sui6e 250
Cary, NoAh Carding 2751t
WENDELL FALLS DEVELOPMENT, LLC
WAKE COUNTY
PROJECT: LIiG OR1012
SHEET 3 OF 20
DOTE: 12/4/2006 FILE: g:\OR ProJecis\ORI012 u564 Int erchonge\Deslgn\PERMIT \DRi04_PERAiiT_04_S1teLPlon.ogn
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__ SHEET 4 OF 20
DATE: 12/4/2006 EIIE: q:\OR Projects\ORI012 - U564 Int ar chonge\Desfgn\PERMIT\ORIO12_PERMIT_05_Slt al_Proflle.agn _ _ _
280
470 -Y101- 33+y5.82 EL 250.29 = x
-LPCY101- 21+44.66 (36- 0 R ) p ~ o
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25O - t° ' 210' BRIDGE LENGTH N W '
. _. PI = 37+50.00
_ ('1s-629 70` 70' 70` 8L = 234.54'
2~ SPAN SPAN SPAN VC =400'
,______ -__ K = 120
240
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33 34 35 36 37 38 39 40
HORIZONTAL SCALE
- VERTICAL SCALE
DENOTES FILL IN WETLAND
(0.81 act
RIP RAP
~~~~~~~
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® THE LOUIS BERGER GROUP, Ina
1513 Walnut Street, Suite 250
Cary, North Carolina 27511
WENDELL FALLS DEVELOPMENT, LLC
WAKE COUNTY
PROJECT LBG OR1012
SHEET 5 OF 20
OGTEs 12/A/2006 FILE. g:\0R Projects\ORI012 - U564 Intarchonge\Desfgn\PERMrt \ORI012 PERMIT_06_SIte2_PlanAgn _ __.. _. _ _. _ _..
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m - PROJECT: LBG OR1012 #
' SHEET 8 OF 20
DATEe R/4/2006 FILE: gl\OR Projects\ORIO12 - U564 Iniercnange\Design\PERMrt\ORIO12_PERMIi_07_Sife2 Proi'fle.agn _. _. _ __..._ _
280
270
260
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VERTICAL SCALE
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10.02 aG
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10,04 ac)
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1513 Walnut Street, Suita 250
Cary, North Carolina 27511
WENDELL FALLS DEVELOPMENT, LLC
WAKE COUNTY
PROJECT LBG OR1012
SHEET 7 OF 20
GATE: 17/4/2006 FILE 9:\OR Protects\OR1012 - U564,Interchonge\Dasign\PERMIT \OR1012_PERAIIT 08_SIte3_PlanAgn _ _ ,,. -, ,...
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- WLB - SHEET 8 OF 20
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1513 Walnut Street, Suite 250
Cary, North Carolina 27511
', WENDELL FALLS DEVELOPMENT, LLC
WAKE COUNTY j
PROJECT: LBG OR1012
SHEET 9 OF 20
__ _ _.:
DOTE: i2 /4/2006 FILE: gs\OR Projects\OR1012 - U564 Interchange\Desfgn\PERMIT\ORIOR_PERMiT_IO_SIt84_Plan_OIAgn _
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C WAKE COUNTY
.< _ - ~ PROJECT: LBG OR1012
SHEET 10 OF 20
pGTE: 12/4/2006 FILE: gi~OR Projects\OR1012 - U564. lnterchonge~Daslgn~PERMit\ORIO12_PERA1rt II_SIte4 _Plgn_02.dgn
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SHEET 11 OF 20
DATES 12/4/2006 FILE: qs\OR Projects\ORI012 - US64 Int erchonge\Destgn\PERMIT\OR1012_PERMIT _12-S1t e4_Pr of Ile06cgn
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'210 OVERTOPPING FREQUENCY +5q7 YRS
OVERTOPPING D'SCHA4Gf a N/A CFS
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23 24 25 26 27
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(0.41 ac)
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1513 Walnut Street, Suite 250
Cary, North Carolina 27511
WENDELL FALLS DEVELOPMENT, LLC
WAKE COUNTY
PROJECT:LBG OR1012
SHEET 12 OF 20
DATE: 12/4/2006 FILE: q:\OR Projects\OR1012 - U564 Intercnonge\Desfpn\PERMIT\ORf0l2_PERM17_I3_SIteS_PIan.Ogn
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1513 Walnut Street, Swte 250
Cary, North Catalina 27511
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WAKE COUNTY
PROJECT: LBG OR1012
SHEET 13 OP 20
DATE: 12/4/2006 FILE: q:\OR ProJecis\OR1012 - US6a ~ntercnarge\Design\PERMIT\ORIO12_PERM17 _I4_Site6_Plan_Ol.dgn
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DA7E: 12/4/200fi FILE: g:\OR Protects•ORi012 - L1564 Intarcnonge\Oasign\PERMrt\ORi0i2_PERMiT_I$_Sfte6_Plon_02.dgn
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~ C `~" - C PROJECT: LBG OR1012
SHEET 15 OF 20
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1[' $.w ~ 1. V ~ 1'~. .w ~/ _M _„ Cary, North Carolina 27511 v
S' ~~°~'iw `~ - WENDELL FALLS DEVELOPMENT, LLC
WAKE COUNTY
1 ~ ' ' ~` PROJECT: lBG OR1012 i
~- SHEE716 OF 20 '
047E: 12/4/2006 FILE: q:\OR ProJecis\OR1012 - US6A Int er change\Destgn\PERMIT\ORi012_FERMiT_i7_StTeT_Pr of fl9.tlgn
PI = 20+00.00
EL = 295,18'
i VC = 650'
30U K = 93
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EL 289.67 -
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~ - ~; q ORplNAGE STRUCTURE No.C6 _
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Y101 -_..115+57.58 {4&.00' Ll
~ fl {1 ~.- t;; DESIGNGFREOUEN ~RES) 2~~ YRS
W1F€ ~ .~
~ DESIGN DISCHARGE ~ 1301x0 CFS
m1}. W ,e: DESIGN rrv fLEVarION 273.48 FT
;; ~ !i l00 YR DISCHARGE 15730 CFS
', ~ l00 YR hAY ELEVATION 27478 FT
,~
A
~~ OVER70PPlNG FREQUENCY +500 YRS
0/ER70PP/NG OlSCHARGE N/A CFS
OVERrOPP/NG ELEVATION 286.48 Fr
12
13 14 15 16 17 18 19 20 21
~~~~~~~~
HORIZONTAL SCALE
- VERTICAL SCALE
' DENOTES FILL IN SURFACE WATERS
(0.02 oc1
DENOTES MECHANIZED CLEARING
~? ~.... BUFFER ZONE
-u~ 2-.-.- BUFFER ZONE
- wLg . WETLAND BOUNDARY
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_ _ _ ._ __
', ®THE LOUIS BERGER GROUP, Inc.
1513 Walnut Street, Suite 250
Cary, North Carolina 27511
WENDELL FALLS DEVELOPMENT, LLC
WAKE COUNTY
PROJECT LBG OR1012
SHEET 17 OF 20
DATE: 12/4/2006 FII E: q:\OR ProJecis\ORI012 - u564 Intercnanpe\Design\PERMIT\OR1012_PERMIT_18_S17e8_PlCn.ogn
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_ THE LOUIS BERGER GROUP, Ina ?
1513 Walnut Street, Sulte 250
N,C. DEPARTMENT ® Cary. North Carolina 27511
OF TRANSPORTATION --.-----------~-.,.___._ .---,_-._
! WENDELL FALLS DEVELOPMENT, LLC
_ ~~ WAKE COUNTY
PROJECT:L9G OR1012 {
?. SHEET 18 OF 20
DATEe 12/4/2006 FILE: q:\OR ProJecis\OR1012 - tJ564 Interchange\Oestgn\PERMIT\OR1012_PERMIT_19_$IieB_Profitle.ogn
I ......_.... _. __...._. ..._......__..._ ....._._...... ._...._._... ._..__... __..... ___. __. ......_ _.... _.... ........ _..._ _ _...... _ _. _. ..__ '.
280
270
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im
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PI = 37+50.00 PI = 45+00.00
EL = 234.54' EL = 232.29'
YC 400' VC = 400'
K = 120 240 K = 513
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~ / BEGIN PARKWAY PROJECT
_.~ ~~- _'. -~ ~ _ Y101 - 47+50.00 EL 224 59_
1 '~ ~ ._
210
200
39 40 41
42 43 44 45
46
HORIZONTAL SCALE
VERTICAL SCALE
$.: DENOTES FILL IN SURFACE WATERS
_ (0.06 ac)
~~~~ ~
® THE LOUIS BERGER GROUP, Inc.
1513 Walnut Street, Suite 250
i Cary, North Cerollna 27511
WENDELL FALLS DEVELOPMENT, LLC
WAKE COUNTY
PROJECT LBG OR1012
SHEET 19 OF 20
WETLAND IMPACTS SURFACE WATER IMPACTS BUFFER IMPACTS ,
Site
No.
Station
(From) (To)
Structure Size
Fill In
Wetlands
(ac)
Fill in
Wetlands
(cu yd)
Temp. Fill In
Wetlands
(ac)
Excavation
In Wetlands
(ac) Mechanized
Clearing
(Method III)
(ac)
Fill in SW
(Natural)
(ac)
Fill in SW
(Pond)
(ac)
Temp. Fill in
SW
(ac) Existing
Channel
Impacted
(ft)
Relocated
Channel
(ft)
Enclosed
Channel
(ft)
Zone 1
(ac
Zone 2
(ac)
1 NCDOT SITE 11
35+50.00 37+60.00 -Y101- 3 70 ft BRIDGE 0.81 1311.64 0.16 0.00 0 0 0.01 0.06
2 52+68.00 52+91.76 2 10'x10' RC Box Culvert 0.04 67.76 0.01 0.02 299 79 186 0.26 0.20
3 99+g1.76 100+29.26 32'X10' High Pro Arch 0.00 0.00 0.00 0.02 296 153 0 0.56 0.28
4 NCDOT SITE 9
26+36.05 -Y101-36"RCP 0.41 653.80 0.01 0.01 0.01 ~ 536 0 446 0.74 0.45
5 NCDOT SITE 7 0.00 0.00
443+00.83 8.66 SF 0.00 0 0 0 0.00 0.00
6 NCDOT SITE 8A 0.04 56.47 0.03 0.00 0 0 0 0.07 0.05
NCDOT SITE 88
7 16+63 2 48" RCP Exist. & 0.00 0.00 0.00 0.02 57 0 57 0.08 0.04
Su limental 48" RCP
8 41+45.00 42+65.00 0.00 0.00 0.00 0.060
TOTALS: 1.3 2089.7 0.0 0.0 0.2 0.06 0.06 0.0 1188.0 232.0 689.0 1.72 1.09
Th1E LOUIS BE'RG1rit C,ft61UP, inc.
1513 Wairint SY~6et 8nltg2"ip
Cary, Notkfi CaroGnr 57511
PROJECT:LBG OR1012
IMPACT SUMMARY
SHEET 20 OF 20
'~~~`,
:.Enos stem ~. ~~~ ~~~
PROGRAM V~ ~OO~
October 2, 20 6 ~ ~.~ R'a, ,~ ~ ?~L
Q
Todd Preuninger U ~ ~~ ~' ~~ ~ >q~
Withers and Ravenel U y;' ~~
111 MacKenan Drive (-~_~ .~ ~ ~~~~
Cary, NC 27511
pFNli' WATER QIlAI.iTY
Project: Wendell Falls County: Wake WETIAf~S,~~OSTOR3~Rt~rAi~R~CH
The purpose of this letter is to notify you that the North Carolina Ecosystem Enhancement Program (NC EEP) is willing [o
accept payment for impacts associated with the above referenced project. Please note that this decision does not assure that
the payment will be approved by the permit issuing agencies as mitigation for project impacts. It is [he responsibility of the
applicant to contact these agencies to determine if payment to the NC EEP will be approved.
This acceptance is valid for six months from the date of this letter. If we have not received a copy of the issued 404
Permit/401 Certification within this time frame, this acceptance will expire. It is the applicant's responsibility to send
copies of the 404/401/CAMA permits to NC EEP. Once NC EEP receives a copy of the 404 Permit and/or the 401
Certification an invoice will be issued and payment must be made.
Based on the information supplied by you the impacts that may require compensatory mitigation are summarized in the
following table.
River Basin Wetlands Stream Buffer Buffer
Cataloging Unit (Acres) (Linear Feet) Zone 1 Zone 2
(Sq. Ft.) (Sq. F+.~
Ri arian Non-Ri arian Coastal Marsh Cold Cool Warm
Neuse 3.09 ac 0 0 0 0 2191 96,937 61,181
03020201
Upon receipt of payment, EEP will take responsibility for providing the compensatory mitigation for the permitted impacts
up to a 2:1 ratio, (buffers, Zone 1 at a 3:1 ratio and Zone 2 at a 1.5:1 ratio), The type and amount of the compensatory
mitigation will be as specified in the Section 404 Permit and/or 401 Water Quality Certification, and/or CAMA Permit. The
mitigation will be performed in accordance with the Memorandum of Understanding between the N. C. Department of
Environment and Natural Resources and the U. S. Army Corps of Engineers dated November 4, 1998.
If you have any questions or need additional information, please contact Kelly Williams at (919) 716-1921.
Sincerely,
Wi D. Gilmore, PE
Director
cc: Cyndi Karoly, Wetlands/401 Unit
Monte Matthews, USAGE-Raleigh
Eric Kulz, DWQ Regional Office-Raleigh
File
1Z.estoru29... F ... P~otecti,~t9 Dry .ftat~
e~~
I~CDE~IR
North Carolina Ecosystem Enhancement Program, 1652 Mail Service Center, Raleigh, NC 27699-1652 / 919-715-0476 / www.nceep.net
THE Louis Berger Group, INC.
1513 Walnut Street, Suite 250, Cary, North Carolina 27511
Tel 919 467 3885 Fax 919 467 9458
To: llistribution
Fm: Dean Hatfield
Re: NCDOT Stream and Wetlands Restoration Enhancement and Preservation Sites
Dt: February 22, 2006 (Revised March 17, 2006)
At the February 8, 2006 kick-off meeting, Division 5 Assistant Engineer, Wally Bowman
referenced an environmental enhancement site adjacent to the US 64 Interchange with Wendell
Falls Parkway. A follow-up contact with NCDOT's Randy Griffin (715.1334) was suggested.
The Wake County Parcel Number for the site is 1763587801as provided in a follow-up contact
with NCDOT's Bryon Moore (715.1491). The enhancement site is actually two locations that
border Ramp C (east bound off-ramp) on the south and acce-eration lane in Quadrant D (east
bound on-ramp loop). A provision was made in the roadway design for the interchange ramps
and connecting road of Wendell Falls Parkway.
Refer to the a-files and plans of R-2547C for parcel number 39. The former property owner is
O. Temple Sloan, Jr. and wife Carol C. Sloan (DB 2916, PG 126 & 129).
The foot print from either side of prapased Wendell Falls Parkway is to avoid any eneraachment an
the enhancement site.
DISTRIBUTION: Project Files OR1012
Withers ~ Ravenel -Ken Jesneck
Mercury -Greg Ferguson & Mike Jones
:Louis Berger - Flesch-Pate, White, Jeske, Cook, & Coffman
NCDOT -Sandy Nance & Chris Haire
G:\OR Projects\OR1012 - US64 Interchange\Documents\060222_Memo for NCDOT Stream & Wetlands Restoration Parcel Rev02.doc
TrIE Louis Berger Group, INc
~~tE Louis Berger Group, ~N~.
1513 Walnut Street, Suite 250, Cary, North Carolina 27511
Tel 919 467 3885 Fax 919 467 9458
January 5, 2007
Mr. Chris Haire, PE
Special Design Project Engineer
North Carolina Department of Transportation
1582 Mail Service Center
Raleigh, NC 27699-1582
Re: Wendell Falls Parkway -Stream Crossing No. 3
Open Bottom, High Profile Pipe Arch (32' X 10') @ -Y101-Sta. 101+10.51
Confirmation of Accepting Structure into NCDOT Road System
Dear Chris:
Per our conversation regarding the stream crossing site for the above-referenced project and shown in the
attached plan and profile sheets; the Department will accept an open bottom culvert per the following
conditions:
l . Review and approval of the design for hydraulics
2. Review and approval of the design for structural conformity
3. Review and approval of the geotechnical design and having the foundation keyed to rock
4. Inspection and certification ofthe culvert installation.
If questions or comments arise, please contact me at (919) 467-3885 ext. 25.
Sincerely,
The Louis Berger Group, Inc.
~~~~
Dean D. Hatfield, PE
Director of Transportation Engineering
C: T. Preuninger - W&R
G. Ferguson -Mercury
S. Cook - LBG
Attachment: Roadway Plan & Profile Sheets @ -Y101-Sta. 101+10.51
G:10R ProjectslOR] 012 - U564 Interchange~Documents1070104 CHaire.doc
the Louis Berger Group, i.,~
Page 1 of 1
Todd Preuninger
From: Hatfield, Dean [dhatfield@louisberger.com]
Sent: Friday, January 05, 2007 5:03 PM
To: Greg Ferguson; Todd Preuninger
Cc: Tillitt, William
Subject: RE: Wendell Fall Pkwy: Open Bottom Culvert Acceptance
Todd,
The following is a response to the comment in the attachment.....
For the interchange, the acceleration ramp has no proposed curb and gutter.
The loop-ramps (Loops B & C) do have curb & gutter on the inside (low side of superelevation)tyhich is NCDOT
standard design procedure.
The storm water collected on the low side of the loop-ramps will be discharged into level spreaders before being
released to the receiving stream.
Please let me know if this is sufficient.
- Dean
From: Hatfield, Dean
Sent: Friday, January 05, 2007 10:06 AM
To: 'Greg Ferguson'; Todd Preuninger'
Subject: FW: Wendell Fall Pkwy: Open Bottom Culvert Acceptance
FYI. See the request to NCDOT to respond with a positive on the open bottom culvert acceptance.
A separate email will follow regarding C&G on the accel ramp.
From: Hatfield, Dean
Sent: Friday, January 05, 2007 9:36 AM
To: 'Chris Haire, PE'
Cc: Tillitt, William
Subject: Wendell Fall Pkwy: Open Bottom Culvert Acceptance
Chris,
Take a look at the attached request and let me know if this is OK. The acknowledgement is needed for the
Environmental Permits that W&R is obtaining from DWO & COE.
If the letter is OK we will email the pdfs of the plan and profile sheets. Thx.
- Dean
1 /25/2007
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Ph: 919 E2E 3933
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Client: ~ ~~
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Department of Transpor#atio
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Nutrient Analysis
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