20080616 Ver 1_More Info Received_20081030

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STATE OF NORTH CAROLINA
DEPARTWNT OF TRANSPORTATION
MICHAELF EASLEY
GOVERNOR
October 28, 2008
U S Army Corps of Engineers
Wilmington District Headquarters
P O Box 1890
Wilmington, NC 28402-1890
ATTEN"PION Mr Richard Spencer
NCDOT Coordinator, Division 8
Dear Sir
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LYNDO T IPPET
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SUBJECT Supplement to and Revision of Application for Section 404 Nationwide
Permit 42 and Section 401 Water Quality Certification for the proposed
Endor Iron Furnace Greenway (Phase I) from Kiwams Family Park on SR 1009
(Carbonton Road) to Boone Circle (an unopened road), Sanford, Lee County,
Division 8 WBS Element 33906 1 1, TIP No E4981
$240 00 Debit from WBS element 33906 1 1
REFERENCE Application for Section 404 Nationwide Permit 42 and Section 401 Water
Quality Certification, dated March 27, 2008
This packet serves to supplement the N C Department of Transportation's (NCDOT) previously
submitted permit application for the above-referenced project Per your request made at our onsite
meeting on July 9, 2008, NCDOT investigated alternatives to the two reinforced concrete box culverts
(RCBC) proposed in our permit application (one at STA 38+05, one at STA 47+71) and compiled
information to support our preferred choice of structures After review, it was determined that an RCE,C
would still be the best alternative at both crossings Please see the enclosed copies of the fAlowilig
documents, which provide the requested information a Structural Recommendations memo, Culvert
Survey and Hydraulic Design Reports for both proposed culverts, Geotechmcal Reports for both
proposed culvert sites, a Cost Estimates memo outlining various pedestrian bridge options, and cost
estimates for the two proposed culverts
UPDATED IMPACTS TO WATERS OF THE UNITED STATES
Although we plan to proceed with the use of the two RCBCs, because of a change in the proposed
construction method, the stream impacts for the project have changed slightly since the initial
application Therefore, this packet also serves to update our jurisdictional impact calculations to reflect
the new construction method Please see the enclosed copies of the updated Pre-construction
Notification (PCN), updated Wetland Permit Impact Summary sheet, and updated Site 1 and 2 pemut
drawings showing these changes
MAILING ADDRESS LOCATION
NC DEPARTMENT OF TRANSPORTATION TELEPHONE [phone] CAPITAL BLVD SUITE 240
PROJECT DEVELOPMENT AND ENVIRONMENTAL ANALYSIS FAX [phone] RALEIGH NC 27604
1598 MAIL SERVICE CENTER WEBSITE WWW NCDOT ORG
RALEIGH NC 27699-1598
Permanent Impacts'`'"? r
_r t
Sites" 1 'and 2
There have been no changes to the proposed permanent stream impacts associated with this project A
total of 28 linear feet of permanent perennial stream impacts will occur to UT 1 to Big Buffalo Creek at
each site, totaling 56 linear feet for the entire project These impacts area result of the placement of the
double-barreled RCBCs
Ta:mpor<<ry Impacts
0-igmal y, water was going to be redirected around the area of construction at both RCBC sites using a
temmporaryy 5-foot base diversion ditch However, according to the new construction sequence
impervious sand bag dikes will be built upstream and downstream of where each RCBC will be installed
and the area between them will be dewatered using a bypass pump The water will temporarily be
diverted into a stilling basin adjacent to the stream Once the area is dewatered and prepared, a bypass
pioe will be installed between the dikes just prior to culvert construction and use of the bypass pump w ill
be discontinued Once each culvert is complete, the dikes and bypass pipe will be removed anti the
stilling basin will be obliterated This construction method will be used at both sites
Site 1
O.-igmal,y, the construction of the RCBC (STA 38+05) would have resulted in a temporary stream
impact of 124 linear feet to UT 1 to Big Buffalo Creek However, with the use of the new construction
method, a total of 49 linear feet of temporary impacts will now occur This is a decrease of 75 linear
feet
Site 2
O -iginal y, the construction of the RCBC (STA 47+71) would have resulted in a temporary stream
impact of 132 linear feet to UT 1 to Big Buffalo Creek However, with the use of the neu construction
method, a total of 55 linear feet of temporary impacts will now occur This is a decrease of 77 linear
feet
Compensatory Mitigation
As in the initial application, no mitigation is proposed for the 56 linear feet of permanent perennial
sti earn impacts to UT 1 to Big Buffalo Creek (28 linear feet at both Site 1 and Site 2) because of the
minimal amount of impact Additionally, the stream is in a very urbanized area, has little to no bufter or
canopy, and has been impacted by sedimentation Furthermore, the stream has already been
detrimentally impacted by in-stream construction both immediately upstream (a single-barreled RC B(--)
and downstream (three 90-inch corrugated metal pipes) of the proposed impacts
. ) , f
r4981 Supplement to Permit Application
2

A copy of this memorandum will be posted on the NCDOT website at
http !/www ncdot org/doh/preconstruct/pe/ If you have any questions or need additional information,
please contact Mr Jim Mason at [phone] orismason(amcdot 8ov
Smcerel
E I l
-?/ Gregory Thorpe, Ph D
Environmental Management Director, PDEA
w/attachment
Mr Brian Wrenn, NCDWQ (5 copies)
w/o attachment (see website for attachments)
Dr David Chang, P E, Hydraulics
Mr Mark Staley, Roadside Environmental
Mi Greg Perfetti, P E , Structure Design
Mr Victor Barbour, P E , Project Services Unit
Mr Tim Johnson, P E, Division 8 Engineer
Mr Art King, Division 8 Environmental Officer
Mr Jay Bennett, P E , Roadway Design
Mr Mated Alghandour, P E , Programming/TIP
Mr Art ]McMillan, P E , Highway Design
Mi Scott McLendon, USACE, Wilmington
Mr Travis Wilson, NCWRC
Mr Game Jordan, USFWS
Mr Kumar Tnvedm, Project Planing Engineer, Bicycle and Pedestrian
E-4981 Supplement to Permit Application
3
I f I t
Office Use Only: Form Version March 05
USACE Achon ID No. DWQ No.
(It any particular item is not applicable to tins project, please enter "Not Applicable" or "N/A" )
1. Processing
1 Check all of the approval(s) requested for this project
® Section 404 Permit ? Riparian or Watershed Buffer Rules
? Section 10 Permit ? Isolated Wetland Permit from DWQ
® 401 Water Quality Certification ? Express 401 Water Quality Certification
2 Nationwide, Regional or General Permit Number(s) Requested Nationwide 42
3 If this notification is solely a courtesy copy because written approval for the 401 Certification is not
required, check here ?
4 If payment into the North Carolina Ecosystem Enhancement Program (NCEEP) is proposed for
mitigation of impacts, attach the acceptance letter from NCEEP, complete section VIII, and check
here ?
5 If your protect is located in any of North Carolina's twenty coastal counties (listed on page 4), and the
project is within a North Carolina Division of Coastal Management Area of Environmental Concern
(see the top of page 2 for further details), check here ?
II. Applicant Information
Owner/Applicant Information
Name Gregory J Thorpe. Ph D . Environmental Management Director
Mailing Address North Carolina Department of Transportation
1598 Mail Service Center
Raleigh. NC 27699-1598
Telephone Number (9191733-3141 Fax Number [phone]
E-mail Address
2 Agent/Consultant Information (A signed and dated copy of the Agent Authorization letter must be
attached if the Agent has signatory authority for the owner/applicant )
Name
Company Affiliation
Mailing Address
Telephone Number Fax Number
E-mail Address
III. Project Information
Attach a vicinity map clearly showing the location of the property with respect to local landmarks such
as towns, rivers, and roads Also provide a detailed site plan showing property boundaries and
development plans in relation to surrounding properties Both the vicinity map and site plan must include
Page 1 of 7

a scale and north arrow The specific footprints of all buildings, impervious surfaces, or other facilities
must be included If possible, the maps and plans should include the appropriate USGS Topographic
Quad Map and NRCS Soil Survey with the property boundaries outlined Plan drawings, or other maps
may be included at the applicant's discretion, so long as the property is clearly defined For
administrative and distribution purposes, the USACE requires information to be submitted on sheets no
larger than 11 by 17-inch format, however, DWQ may accept paperwork of any size DWQ prefers full-
size construction drawings rather than a sequential sheet version of the full-size plans If full-size plans
are reduced to a small scale such that the final version is illegible, the applicant will be informed that the
project has been placed on hold until decipherable maps are provided
1 Name of project The proposed Endor Iron Furnace Greenwav (Phase I) from Kiwams Fammly Park
on SR 1009 (Carbonton Road) to Boone Circle (an unopened road) in the City of Sanford
2 T I P Project Number or State Project Number (NCDOT Only) E4981
3 Property Identification Number (Tax PIN) N/A
4 Location
County Lee Nearest Town Sanford
Subdivision name (include phase/lot number) N/A
Directions to site (include road numbers/names, landmarks, etc ) -From points north, take U S Route
1 south to Sanford Exit hiehway onto Spring Lane take right Greenwav will cross Spring Lane at
its intersection with River Birch Shopping Center entrance
5 Site coordinates (For linear projects, such as a road or utility line, attach a sheet that separately lists
the coordinates for each crossing of a distinct waterbody )
Decimal Degrees (6 digits muumum) °N °W
6 Property size (acres)
7 Name of nearest receiving body of water Big Buffalo Creek
8 River Basin Cane Fear
(Note - this must be one of North Carolina's seventeen designated major river basms The River
Basin map is available at http //h2o enr state nc us/admin/maps/ )
9 Describe the existing conditions on the site and general land use in the vicinity of the project at the
time of this application A majority of the greenway will be built on new location Land use in the
area includes residential, business, and forested areas
10 Describe the overall project in detail, including the type of equipment to be used See previously-
submitted cover letter, dated March 27, 2008, for project descnption Heavy duty excavation
equipment will be used such as trucks, dozers and other various equipment necessary for greenway
construction
11 Explain the purpose of the proposed work Phase I of this bicycle and pedestrian trail will provide
transportation as well as recreational trail access between Kiwams Family Park and
commercial/residential destinations in Sanford The multi-use trail when all phases are completed
will connect to the proposed nature preserve and park at the Endor Iron Furnace historic site
Page 2 of 7
. • 1 ,
IV. Prior Project History
If jurisdictional determinations and/or permits have been requested and/or obtained for this project
(including all prior phases of the same subdivision) in the past, please explain Include the USACE
Action ID Number, DWQ Project Number, application date, and date pennits and certifications were
issued or withdrawn Provide photocopies of previously issued permits, certifications or other useful
information Describe previously approved wetland, stream and buffer impacts, along with associated
mitigation (where applicable) If this is a NCDOT protect, list and describe permits issued for prior
segments of the same T I P project, along with construction schedules N/A
V. Future Project Plans
Are any future permit requests anticipated for this project? If so, describe the anticipated work, and
provide justification for the exclusion of this work from the current application N/A
VI. Proposed Impacts to Waters of the United States/Waters of the State
It is the applicant's (or agent's) responsibility to determine, delineate and map all impacts to wetlands,
open water, and stream channels associated with the project Each impact must be listed separately in the
tables below (e g, culvert installation should be listed separately from nprap dissipater pads) Be sure to
indicate if an impact is temporary All proposed impacts, permanent and temporary, must be listed, and
must be labeled and clearly identifiable on an accompanying site plan All wetlands and waters, and all
streams (intenruttent and perennial) should be shown on a delineation map, whether or not impacts are
proposed to these systems Wetland and stream evaluation and delineation forms should be included as
appropriate Photographs may be included at the applicant's discretion If this proposed impact is strictly
for wetland or stream mitigation, list and describe the impact in Section VIII below If additional space is
needed for listing or description, please attach a separate sheet
Provide a written description of the proposed impacts Please see attached memo, dated October 21, 2008
Individually list wetland impacts Types of impacts include, but are not limited to mechanized
clearing, grading, fill, excavation, flooding, ditching/drainage, etc For dams, separately list unpacts
due to both structure and floodine
Wetland Impact
Site Number
(indicate on map)
Type of Impact Type of Wetland
(e g , forested, marsh,
herbaceous, bog, etc
) Located within
100-year
Floodplam
es/no Distance to
Nearest
Stream
linear feet Area of
Impact
(acres)

Total Wetland Impact (acres) 0 00
2 List the total acreage (estimated) of all existing wetlands on the property 0 00
3 Individually list all mtenmttent and perennial stream unpacts Be sure to identify temporary impacts
Stream impacts include, but are not linuted to placement of fill or culverts, dam construction,
flooding, relocation, stabilization activities (e g , cement walls, np-rap, crib walls, gabions, etc),
excavation, ditching/straightening, etc If stream relocation is proposed, plans and profiles showing
the linear footprint for both the original and relocated streams must be included To calculate acreage,
multiply length X width, then divide by 43,560
Page 3 of 7
b I
Stl earn Impact Perennial or Average Impact Area of
Number Stream Name Type of Impact Intermittent? Stream Width Length Impact
indicate on ma) Before Impact (linear fee,) (acres)
UT 1 to Big Double-barreled
I Buffalo Creek RCBC Perennial 12-14 28 <0 01
(Permanent)
I UT 1 to Big Temporary Perennial 12-14 49 <0 02
Buffalo Creek dewatenng
UT 1 to Big Double-barreled
2 Buffalo Creek RCBC Perennial 12-14 28 0 01
(Permanent)
2 UT 1 to Big Temporary Perennial 12-14 55 C 01
Buffalo Creek dewatenng
Total Stream Impact (by length and acreage) 160 «) OS
4 Individually list all open water impacts (including lakes, ponds, estuanes, sounds, Atlantic Oce.in and
any other water of the U S ) Open water impacts include, but are not limited to fill excavation,
dredging, flooding, drainage, bulkheads, etc
Open Water Impact
S ite Number
(indicate on map) Name
(if applicable) Watee)
Type of Impact Type of Waterbody
(lake, Pand estuary, sound, bay,
ocean, etc) Area of
Impact
(acres)

Total Open Water Impact (acres) 00
5 List the cumulative impact to all Waters of the U S resulting from the ro ect
Stream Impact (acres) 0 05
Welland Impact (acres) 0 00
Open Water Impact (acres) 0
Total Impact to Waters of the U S (acres) 0 05
Total Stream Impact (linear feet) 160
6 Isolated Waters
Do any isolated waters exist on the property? ? Yes ® No
Describe all impacts to isolated waters, and include the type of water (wetland or stream) and the size
of the proposed impact (acres or linear feet) Please note that tlus section only applies to waters that
have specifically been determined to be isolated by the USACE
Pond Creation
If construction of a pond is proposed, associated wetland and stream impacts should be included
above in the wetland and stream impact sections Also, the proposed pond should be de,scnbe3 here
and illustrated on any maps included with this application
Pond to be created in (check all that apply) ? uplands ? stream ? wetlands
Describe the method of construction (e g , dam/embankment, excavation, installation of draw-down
valve or spillway, etc )
Page 4 of 7

Proposed use or purpose of pond (e g , livestock watering, irrigation, aesthetic, trout pond, local
stormwater requirement, etc )
Current land use in the vicinity of the pond
Size of watershed draining to pond
VII. Impact Justification (Avoidance and Minimization)
Expected pond surface area
Specifically describe measures taken to avoid the proposed impacts It may be useful to provide
information related to site constraints such as topography, building ordinances, accessibility, and financial
viability of the project The applicant may attach drawings of alternative, lower-impact site layouts, and
explain why these design options were not feasible Also discuss how impacts were minimized once the
desired site plan was developed If applicable, discuss construction techniques to be followed during
construction to reduce impacts See previously-submitted cover letter, dated March 27, 2008
VIII. Mitigation
DWQ - In accordance with 15A NCAC 2H 0500, mitigation may be required by the NC Division of
Water Quality for projects involving greater than or equal to one acre of impacts to freshwater wetlands
or greater than or equal to 150 linear feet of total impacts to perennial streams
USACE - In accordance with the Final Notice of Issuance and Modification of Nationwide Permits,
published in the Federal Register on January 15, 2002, mitigation will be required when necessary to
ensure that adverse effects to the aquatic environment are minimal Factors including size and type of
proposed impact and function and relative value of the impacted aquatic resource will be considered in
determining acceptability of appropriate and practicable mitigation as proposed Examples of mitigation
that may be appropriate and practicable include, but are not limited to reducing the size of the project,
establishing and maintaining wetland and/or upland vegetated buffers to protect open waters such as
streams, and replacing losses of aquatic resource functions and values by creating, restoring, enhancing,
or preserving similar functions and values, preferable in the same watershed
If mitigation is required for this protect, a copy of the mitigation plan must be attached in order for
USACE or DWQ to consider the application complete for processing Any application lacking a required
mitigation plan or NCEEP concurrence shall be placed on hold as incomplete An applicant may also
choose to review the current guidelines for stream restoration in DWQ's Draft Technical Guide for
Stream Work in North Carolina, available at http //h2o enr state nc us/ncwetlands/strmaide html
Provide a brief description of the proposed mitigation plan The description should provide as much
information as possible, including, but not limited to site location (attach directions and/or map, if
offsite), affected stream and river basin, type and amount (acreage/lmear feet) of mitigation proposed
(restoration, enhancement, creation, or preservation), a plan view, preservation mechanism (e g , deed
restrictions, conservation easement, etc ), and a description of the current site conditions and proposed
method of construction Please attach a separate sheet if more space is needed
No mitigation is proposed for the 56 linear feet of permanent stream impacts to UT 1 to Big Buffalo
Creek (28 linear feet at both Site 1 and Site 2) because of the minimal amount of impact
Additionally, the stream is in a very urbanized area, has little to no buffer or canopy and has been
impacted by sedimentation Furthermore, the stream has already been detrimentally impacted by in-
stream construction both immediately upstream (a single-barreled RCBC) and downstream (three 90-
inch corrugated metal pipes) of NCDOT's 12=osed impacts
11 Page 5 of 7
2 Mitigation may also be made by payment into the North Carolina Ecosystem Enhancement Program
(NCEEP) Please note it is the applicant's responsibility to contact the NCEEP at [phone] to
determine availability, and wntten approval from the NCEEP indicating that they are will to accept
payment for the mitigation must be attached to this form For additional information regarding the
application process for the NCEEP, check the NCEEP website at
http //h2o enr state nc us/wrp/index htm If use of the NCEEP is proposed, please check the
appropnate box on page five and provide the following information
Amount of stream mitigation requested (linear feet) 0
Amount of buffer mitigation requested (square feet) 0
Amount of Ripanan wetland mitigation requested (acres) 0 00
Amount of Non-npanan wetland mitigation requested (acres) 0 00
Amount of Coastal wetland mitigation requested (acres) 0 00
IX. Environmental Documentation (required by DWQ)
1 Does the project involve an expenditure of public (federal/state/local) funds or the use of public
(federal/state) land9 Yes ® No ?
2 If yes, does the project require preparation of an environmental document pursuant to the
requirements of the National or ?4orth Carolina Environmental Policy Act (NEPA/SEPA)? Note If
you are not sure whether a NEPA/SEPA document is required, call the SEPA coordinator at (919)
733-5083 to review current thresholds for environmental documentation Yes ® No ?
3 If yes, has the document review been finalized by the State Cleannghouse? If so, please attach a copy
of the NEPA or SEPA final approval letter Yes ® No ?
X. Proposed Impacts on Riparian and Watershed Buffers (required by DWQ)
2
It is the applicant's (or agent's) responsibility to determme, delineate and map all unpacts to required state
and local buffers associated with the project The applicant must also provide justification for these
impacts in Section VII above All proposed impacts must be listed herein, and must be clearly
identifiable on the accompanying site plan All buffers must be shown on a map, whether or not impacts
are proposed to the buffers Correspondence from the DWQ Regional Office may be included as
appropnate Photographs may also be included at the applicant's discretion
1 Will the project impact protected npanan buffers identified within 15A NCAC 2B 0233 (Meuse),
15A NCAC 213 0259 (Tar-Pamlico), 15A NCAC 02B 0243 (Catawba) 15A NCAC 213 0250
(Randleman Rules and Water Supply Buffer Requirements), or other (please identify. )-?
Yes ? No
If "yes", identify the square feet and acreage of impact to each zone of the npanan buffers If buffer
instigation is required calculate the required amount of mitigation b applying the buffer multipliers
Zone* Impact
(square feet Multiplier Required
Miti ation
1 0 3 (2 for Catawba) 0
2 0 15 0
Total 0 0
* Zone 1 extends out 30 feet perpendicular from the top of the near bank of channel,
Zone 2 extends an additional 20 feet from the edge of Zone 1
Page 6 of 7

If buffer mitigation is required, please discuss what type of mitigation is proposed (i e , Donation of
Property, Riparian Buffer Restoration / Enhancement, or Payment into the Riparian Buffer
Restoration Fund) Please attach all appropriate information as identified within 15A NCAC 2B
0242 or 0244, or 0260
XI. Stormwater (required by DWQ)
Describe impervious acreage (existing and proposed) versus total acreage on the site Discuss stormwater
controls proposed in order to protect surface waters and wetlands downstream from the property If
percent impervious surface exceeds 20%, please provide calculations demonstrating total proposed
impervious level N/A
XII. Sewage Disposal (required by DWQ)
Clearly detail the ultunate treatment methods and disposition (non-discharge or discharge) of wastewater
generated from the proposed project, or available capacity of the subject facility N/A
XIII. Violations (required by DWQ)
Is this site in violation of DWQ Wetland Rules (15A NCAC 2H 0500) or any Buffer Rules?
Yes ? No
Is this an after-the-fact permit application9 Yes ? No
XIV. Cumulative Impacts (required by DWQ)
Will this project (based on past and reasonably anticipated future impacts) result in additional
development, which could impact nearby downstream water quality? Yes ? No
If yes, please submit a qualitative or quantitative cumulative impact analysis in accordance with the most
recent North Carolina Division of Water Quality policy posted on our website at
http //h2o enr state nc us/ncwetlands If no, please provide a short narrative description N/A
XV. Other Circumstances (Optional):
It is the applicant's responsibility to submit the application sufficiently in advance of desired construction
dates to allow processing time for these permits However, an applicant may choose to list constraints
associated with construction or sequencing that may impose limits on work schedules (e g, draw-down
schedules for lakes, dates associated with Endangered and Threatened Species, accessibility problems, or
other issues outside of the applicant's control) N/A

0,t7(o
Applicant/AgentlK Signature Date
(Agent's signature is valid only if an authorization letter from the applicant is provided )
Page 7 of 7
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633 sq ft
49 linear feet i
Area of Permanent Impact
336 sq ft
® 28 linear feet o}
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Site 1
N C DEPT OF TRANSPORTATION
DMSION OF BICYCLE AND PEDESTRIAN
CITY OF RALEIGH WAKE COUNTY
PROJECTTIPNO E-4881
ENDOR FURNACE REENWAY P20HASE 1
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Area of Temporary Impact
570 sq ft
55 linear feet
Area of Permanent Impact
® 504 sq ft
28 linear feet
Sml. - FI
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Site 21
N C DEPT OF TRANSPORTATION
DIVISION OF BICYCLE AND PEDESTRIAN
CRY OF RALEIGH WAKE COUNTY
PROJECT TIP NO E49e1
ENDOR FURNACE GREENWAY p/y?pS
SHEET OF INl

MICHAEL F EASLEY
GOVERNOR
October 7, 2008
MEMORANDUM TO Mr James Mason
Central Environmental Specialist
FROM Carlas Sharpless, P E e 4
Assistant Regional Hydraulics Engineer
SUBJECT Structure Recommendations for the Endor Iron Furnace
Trail, E-4981
The Endor Iron Furnace Trail is a project located in Sanford, NC The proposed
alignment is approximately 1 43 Miles in length and will be constructed along power and
sewer easements adjacent to Big Buffalo Creek and its tributaries The project begins at
the Kiwams Family Park off of SR 1009 (Carbonton Rd ) and ends at Boone Circle The
trail requires three crossings of a tributary to Big Buffalo Creek (Sta 38+05, Sta 47+71,
and Sta 65+62) The NCDOT Hydraulics Unit has conducted hydraulic analysis at each
location to determine the best viable option
Bridges were considered at all of these locations It is felt that a bridge will be the best
option at Sta 65+62 However due to the path alignment within the floodplain, it is felt
that a RCBC will be the best alternate for the other 2 crossings for the following reasons
• The culvert sites are located in a FEMA regulated flood zone The culverts will
minimize fill in the floodplam and thus minimize impacts to the 100 year flood
elevation
• A bridge structure would be required to accommodate maintenance and
emergency vehicles This will result in a thick superstructure depth that will
require fill in the floodplain (i a adverse impact to 100 yr WS Elev )
• 3 sided structures on footings were considered but eliminated because the existing
rock is not considered scour resistant See attached geotechnical report
• The proposed culverts will fit the existing channel with minimum excavation or
RECENED
OCT 13 2008
STATE OF NORTH CAROLINA DIVISION OF HDWAYS
DEPARTMENT OF TRANSPORTATION PDEA'QFFICE NA?'JBA! ENVfRONMENT
LYNDo TIPPETT
SECRETARY
other environmental impacts See attached culvert survey reports
MAILING ADDRESS
NC DEPARTMENT OF TRANSPORTATION
HYDRAULICS UNIT
1590 MAIL SERVICE CENTER
RALEIGH NC 27699-1590
TELEPHONE [phone]
FAX [phone]
WEBSITE WWW DOH DOT STATE NC US
LOCATION
CENTURY CENTER COMPLEX
BUILDING B
1020 BIRCH RIDGE DRIVE
RALEIGH NC

Mr James Mason
Structure Recommendations
Page 2 of 2
• The culvert construction can be phased to limit impacts to the stream See
attached culvert construction phasing
• The proposed culvers can be buried 1' below existing stream bed
• The proposed culverts are more cost effective then bridge structures that would
accommodate emergency/maintenance vehicles See attached cost estimates
• There is a 1 @9'x 9' RCBC dust upstream beneath US 1 and 3 @ 90" CMP dust
downstream beneath Spring Ln
If you have any questions or if we may be of further assistance, please contact either
Carlas Sharpless or Jerry Lindsey at [phone]
CRS
Cc Kumar Trivedi, P E , Senior Facility Engineer III, Bicycle and Pedestrian Division
D •1
CULVERT SURVEY & HYDRAULIC DESIGN REPORT
N C DEPARTMENT OF TRANSPORTATION
DIVISION OF HIGHWAYS
HYDRAULICS UNIT
RALEIGH, N C
ID No ..... E_4981-------- Project No ---------- 33906 1 I 38+05
------------ Prof Station ------------------------------
County _________ Lee ---------------------- Stream -______ Tributary to Big Bufifglo Creek ---------- Stru. No I
0: On GreenwaySanford Bike Path Between Kiwanis Family-Park and Boone Circle
---------------- -------- -------------- -----
-------------------------
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Recommended Structure ______24'of 2@ 8'x7' RCBC
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a0i Recommended Width of Greenway----- 10-fit__________________________________------ Skew -------------------------
0
108L Recommended Location is (Up, 4:. Bewi4- Stream from Existing Crossing ----PROPOSED CROSSING -----------
Bench Mark is NCDOT GPS MONUMENT 'E-4981-1' N 629847.854 E 1940768.395
°0 -----------------------------------------------------------------------------------------------
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--- 2500
--------- Datum ----NA VD '88
w- ----------------------------------------------------------------- Elev. --
----------
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Temporary Crossing -------------------------------------------------------------------------------------------------
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?- VICINITY MAP (NOT TO SCALE)
Designed b C - . R.- Shorpless, P.E.
Y '------ -------------------------------------- Date ---- 7/07 -------Assisted by ' W D. PRICE f
Project Engineer ____ J_ L. Lindsey, P.E.
Reviewed by - _______ J.- L. Lindsey, -P.E ------------------
SITE DATA
Drainage Area ----------- 10_SO_MI--------------- Source ------------- USGS_-QUAD _MAP-(SANFORD).
River Basin - - - - ------- - CAPE - FEAR -------- - --- ---- Character URBAN- W/ RES HOUSING AND RETAIL -STORES ------
----- ----- -------------------------------------------
Stream Classification (Such as Trout, High Quality Water, etc) ----------------------------------------------
Data on Existing Structure ------ N/A ------------------------------------------------------------------------------
Debris Potential Low__ X__Moderate-------- High -------
Data on Structures Up and Down Stream EXISTING_ I @--9'x9' RCBC UNDER_ US _I BYPASS, 375' UPSTREAM
---------------------------------
EXISTING2 90' CMP UNDER SR 1100 (SPRING- LANE- -RD-),-.22 -
-MI -DOWNSTREAM
------------------------------------------------------------------------------------------------------------------
Gage Station No. ------------ /A_____________ Period of Records
-----------------------------------------
Max Discharge -------------------------- c f s Date --------------------------- Frequency --------------------
Historical Flood Information
Period of
Date___N/A --- Elev _________ Est Freq _______Source _______________________________________Knowledge_______
Period of
Date---N/A---- Elev --------- Est Freq ------- Source -------------------------------------- Knowledge-------
Allowable HW Elev. _______ 277.9 ___ (0100 _278:8________________ Normal Water Surface Elev 271.1-
Manning's n Left 0 B ____-08.... Channel ___035 Right 0 B ___08 __ Obtained From FIELD
Flood Study / Status _ FEMA FZ -= -BACKWATER FROM BIG BUFFALO CREEK -- Floodway Established? NO -
BACKWATER FROM BIG BUFFALO CREEK ELEV.=279.0
DESIGN DATA
Hydrological Method ___ USGS -REGRESSION- -EON 96-4084
---------------------------------------------------------------------------------------
Hydraulic Design Method HEC _RAS_ VERSION -3-1-2
- ----------------------------------------------------------------------
Floods Evaluated Freq O Natural Proposed Bridge Opening Velocity
10 YR
------------
--- 600 600 _CFCFS --- (ft.)
--- 276.6---- (ft.)
-277,3-- (ft/s)
------- 6.3
__5O_YR--- ___1000_CFS-__ ---- 277.5---- 278.6_ -------- 7.3______-
__100 _YR__ __ 1100 _CFS_-- ---- 277.8---- __278.8_ _______ 7.3 '
Design Tailwater 010 ---7 z----- 0 050 __ _ 8_I______ - 0100 __ __$:4_____
Inlet Control Outlet Control

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2 @ 8'x7' 010 =600 0.5 0.9 5 4 35 4.8 48 1.0 0.2 5.6 Outlet Control
2 v 8'x7' 050 =1000 0.5 14 84 5.0 5.5 55 29 0.2 8.2 Inlet Control
2Q 8'x7' 0100 =1100 0.5 1.5 9.0 54 5.7 5.7 3.0 0.2 8.5 Inlet Control
Is a Floodway Revision Required? ---- -------NO
------------------------
Outlet Velocity,(VIO )-------- ---- 6.3--- --------------- Natural Channel Velocity,(VIO )------- --__ 34 ----------------
Required Outlet Protection ---------- -- NO
---------------------------------
------------------------
INFORMATION TO BE SHOWN ON PLANS
Design• Discharge ____ 600 c.f s. Frequency ------- 10 yr------ 277,3
Base Flood Discharge ____ _1100 _____ c f s Frequency _______100____ y_r_._____ Elev
--
------- 278----.-8 ------------
Overtopping Discharge ___ 1000 c.f s Frequency 50 YR 278,6
_____________________________________________________________________________
ADDITIONAL INFORMATION AND COMPUTATIONS
FLOOD FREQUENCY •USGS REGRESSION EON 96-4084 DISCHARGE
------- 10-YR 600 CFS
------ ------------------------------------------------------------------------------------------------------------------
50 YR 1000 CFS
--------------------------------------------------------------------------------------------------------------------
100 YR 1100 CFS
--------------------------------------------------------------------------------------------------------------------------
•USGS REGRESSION EQUATION DISCHARGES WERE USED FOR THIS REPORT
--------------------------------------------------------------------------------------------------------------------------
--------------------------------------------------------------------------------------------------------------------------
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Construction Sequence
Sta. 38+05 -G-
2@ 8' x 7' RCBC
33906.1.1 Lee County
E-4981
1 CONSTRUCT STILLING BASIN (MIN 36 CUBIC YARDS)
2 INSTALL IMPERVIOUS DIKES (SAND BAGS) AND BYPASS
PUMP
3 PUMP WORK AREA BETWEEN IMPERVIOUS DIKES INTO
STILLING BASIN
4 EXCAVATE FOR CULVERT AND PREPARE FOUNDATION
5. INSTALL 18" BYPASS PIPE BETWEEN IMPERVIOUS DIKES
(DISCONTINUE BYPASS PUMP)
6 CONSTRUCT CULVERT
7. REMOVE IMPERVIOUS DIKES AND BYPASS PIPE.
8. REMOVE STILLING BASIN
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CULVERT SURVEY & HYDRAULIC DESIGN REPORT
N. C. DEPARTMENT OF TRANSPORTATION
DIVISION OF HIGHWAYS
HYDRAULICS UNIT
RALEIGH. N. C
I.D. No...... E_4981-------- Project No. __________ 33906.1.1----------- Pro]. Station ---------- 47+71---------------
County _________ Lee ___________ Stream _______ Tributary_to_Big Buffalo Creek _______ Stru. No. ____? ------
Between Kiwonis Family Park Boone Circle
M On Greenwoy.... anford Bike Path...
----------- -------------- and
-------------------------------------
M' Recommended Structure ______32'of 20 9'x9' RCBC
--------------------------------------------------------------------------------
0
z
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-------------
0
d-- Recommended Location Is (Up, A*. BewF4 Stream from Existing Crossing. ....PROPOSED CROSSING
----------------------------
- 'E-4981-1'-- N629847.854 --E- 1940768.395
ro; Bench Mark is __NCDOT--GPS--MONUMENT-
----------------------------------
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--- Elev. __309.2500 --- Datum: ----NAND '88
z Temporary Crossing NOT REQUIRED
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BEGIN PROJECT 1
L- VICINITY MAP (NOT TO SCALE)
Designed by: --C.-R. Sharpless, P.E----- ------------------- Date 7/07
------------------
Assisted b W.D. PRICE
Project Engineer: __ J. L_ Lindsey. P.E.
Reviewed by: __J_ L:Lindsey._P_E- ----------------
f
. ' SITE DATA
Drainage Area ----------- 1.0 -SO.-Ml -------_ _ _ Source ------------- USGS OUAD_MAP_ (SANFORD)
- ----------------
River Basin ___________ CAPE FEAR URBAN W/ RES. HOUSING AND RETAIL STORES
Stream Classification (Such as Trout, High Quality Water, etc.) C
----------------------------------------------
Data on Existing Structure ______ N/A --------------------------------------------------
----------------------------
Debris Potential: Low__ X__Moderate__-_____ High -------
Data on Structures Up and Down Stream EXISTING- I @ 9:x9' RCBC UNDER- US_I BYPASS. 375' UPSTREAM
---------------------------------
------------------------------------- EXISTING -2-@--90' CMP UNDER SR 1100 (SPRING LANE --RD.). -.22-MI.-DOWNSTREAM
---------------------------------------------------------------------
Gage Station No. _____ N/A ------------------- Period of Records
Max. Discharge -------------------------- c.f.s Date --------------------------- Frequency --------------------
Historical Flood Information-
Period of
DateN/A---- Elev---------- Est. Freq. __-____Source --------------------------------------- Knowledge -------
Period of
Date ---N/A ---- Elev.--------- Est. Freq. ------- Source -------------------------------------- Knowledge ------
Allowable HW Elev. ---------------- 275.4 --------------------------- Normal Water Surface Elev.
----- -------
Manning's n : Left 0.6. ..... 08 ___ Channel __:035_- Right O.B. --*08__ Obtained From ____ FIELD --------
Flood Study / Status __ FEMA - FZ -=-BACKWATER -FROM- BIG BUFFALO CREEK----- Floodway Established? --NO--
BACKWATER FROM BIG BUFFALO CREEK ELEV. =279.0
DESIGN DATA
Hydrological Method ___ USGS -REGRESSION- -EON.-96-4-084
------------ ----------------------------------------------------------------
Hydraulic Design Method HEC _RAS- -- VERSION _3.1.2
---------- ------------------------------------------------------------------------
Floods Evaluated Freq. 0 Natural Proposed Bridge Opening Velocity
10 YR
------------ 600 CFS
---------------- (f t.)
--- 273.0---- (f t.)
-273.3-- (fit/s)
------- 4.6--------
__50_YR___ __-1000_CFS _ ---- 274.3---- _275.0_ -------- 6.9_______
__100 _YR__ ___ 1100 _CFS___ ---- 274_5.... __275.4_ ________ 7:6_______
Design Tailwater 010 --- l-8----- ;050 --- -- c 0100 -- - 9.2-----
Inlet Control Outlet Control

Size & Type
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2 @ 9'x9' 050 =1000 0.5 0.8 7.2 4.5 6.8 6.8 1.0 0.3 7.5 OUTLET CONTROL
2@ 9'x9' 0100 =1100 0.5 0.9 8.1 5.0 7.0 7.0 1.2 0.3 7.9 INLET CONTROL
Is a Floodway Revision Required? ---- NO____________________________
Outlet Velocity,(VIO )__-________ 4.6__________________ Natural Channel Velocity,(VIO )-------------3.1 ---------------
Required Outlet Protection --CLASS- I ON- -BANKS
--------------------------------------------------------------------------
INFORMATION TO BE SHOWN ON PLANS
Design: Discharge __-_ 600----- c.f.s. Frequency ------- 10_yr......
50 yr, storm : Discharge ------ 000__-. c.f.s. Frequent 50 -yr------
Base Flood/ „ ------- 1000 r 100 vr.
Elev. 273.3
Elev. 275.0
--------------------------
ri_ 275-4
ADDITIONAL INFORMATION AND COMPUTATIONS
FLOOD FREQUENCY •USGS REGRESSION EON. 96-4084 DISCHARGE
10 YR 600 CFS
--------------------------------------------------------------------------------------------------------------------------
50 YR 1000 CFS
--------------------------------------------------------------------------------------------------------------------------
100 YR 1100 CFS
--------------------------------------------------------------------------------------------------------------------------
•USGS REGRESSION EQUATION DISCHARGES WERE USED FOR THIS REPORT.
--------------------------------------------------------------------------------------------------------------------------
Construction Sequence
Sta. 47+71 -G-
2@ 9' x 9' RCBC
33906.1.1 Lee County
E-4981
1 CONSTRUCT STILLING BASIN (MIN 38 CUBIC YARDS)
2 INSTALL IMPERVIOUS DIKES (SAND BAGS) AND BYPASS
PUMP
3 PUMP WORK AREA BETWEEN IMPERVIOUS DIKES INTO
STILLING BASIN
4 EXCAVATE FOR CULVERT AND PREPARE FOUNDATION
5 INSTALL 18" BYPASS PIPE BETWEEN IMPERVIOUS DIKES
(DISCONTINUE BYPASS PUMP)
6 CONSTRUCT CULVERT
7 REMOVE IMPERVIOUS DIKES AND BYPASS PIPE
8 REMOVE STILLING BASIN

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STATE OF NORTH CAROLINA iiWAYIS
DEPARTMENT OF TRANSPORTATION NYURAL&IC, S
MICHAEL F EASLEY LYNDO TIPPETT
GOVERNOR SECRETARY
MEMORANDUM TO Mr Jerry Lindsey, P E
Hydraulics Project Engineer for Maintenance Studies
FROM G R Perfetti, P E
.
State Bridge Design Engme .14 00=
DATE September 30, 2008
SUBJECT Geotechmcal Reports
Culverts at Sta 47+71 and Sta 38+05
Endor Iron Furnace, E-4981
City of Sanford
Lee County
SDU File No C71004
Please find enclosed copies of geotechnical reports for the subject project for culverts at
Sta 47+71 and Sta 38+05
4
In summary, a three-sided culvert at Sta 38+05 should not be founded on the near surface
rock, due to that rock being highly susceptible to degradation A three-sided culvert at
Sta 47+71 is also prohibitive because a similar type rock is found at this location, and it is
at a depth of approximately five feet below the invert elevation
If you have any questions or if we may be of further assistance, please contact either Tim
Sherrill or Farzin Asefnia at [phone]
GRP/TMS
cc Kumar Trivedi, P E
MAILING ADDRESS
NC DEPARTMENT OF TRANSPORTATION
STRUCTURE DESIGN UNIT
1581 MAIL SERVICE CENTER
RALEIGH NC 27699 1581
TELEPHONE [phone]
FAX [phone]
WEBSITE WWW DOH DOT STATE NC US
Page 1 of 1
LOCATION
CENTURY CENTER COMPLEX
BUILDING A
1000 BIRCH RIDGE DRIVE
RALEIGH NC
. Or t
41,
e^` „moo
STATE OF NORTH CAROLINA
DEPARTNMNT OF TRANSPORTATION
MICHAEL F EASLEY
GOVERNOR
September 9, 2008
STATE PROJECT
COUNTY
DESCRIPTION
MEMORANDUM TO
FROM
SUBJECT
33906 (E-4981)
Lee
Bicycle Trail, City of Sanford
From Kiwams Family Park to Boone Circle
Timothy M Sherrill, P E
Special Investigations Engineer
Structure Design Unit
6L Joroge Wamaina, P E
State Geotechmeal Engineer
Geotechmcal Report - Culvert @ 38+05
LYNDo TIPPETT
SECRETARY
The possibility of using a 3-sided/bottomless culvert was considered We do not
recommend this option Rock was encountered in the test boring and is visible in the
stream channel However, the rock type is Triassic Mudstone This material exhibits high
potential for degradation and slaking We believe that this could possibly lead to
undermining of the foundation (footings) used in the bottomless culvert design
The Geotechmcal test boring data is attached
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a„a STAT[
a h,
STATE OF NORTH CAROLINA
DEPARTwNT OF TRANSPORTATION
MICHAEL F EASLEY
GOVERNOR
September 9, 2008
STATE PROJECT
COUNTY
DESCRIPTION
MEMORANDUM TO
FROM
SUBJECT
b
Geotechmcal Report - Culvert @ 47+71
LYNDo TiPPETT
SECRETARY
The possibility of using a 3-sided/bottomless culvert was considered We do not
recommend this option Depth to rock is greater than the normally accepted range (five
feet below the invert elevation) Further, the rock type is Triassic mudstone which is
susceptible to slaking and degradation when exposed
The Geotechmcal test boring data is attached
eSS/D?x%
• SEAL S =
2552 -
pi 9/V?v? : Sc.:
Q-. J
,y' .yGJNE,.,.G
33906(E-4981)
Lee
Bicycle Trail, City of Sanford
From Kiwams Family Park to Boone Circle
Timothy M Sherrill, P E
Special Investigations Engineer
Structure Design Unit
?
Jorog`e?ainama, P E
State Geotechmcal Engineer
r
Pl?OjECT: 33906 ID: E-498I ?
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STATE OF NORTH CAROLINA Dr 4.kYS
DEPARTMENT OF TRANSPORTATION L)Nff
MICHAEL F EASLEY LYNDO TIPPETT
GOVERNOR SECRETARY
MEMORANDUM TO Mr Jerry Lindsey, P E
Hydraulics Project Engineer for Maintenance Studies
FROM G R Perfetti, P E "00.400
State Bridge Design Engineer -7;* f6A9( 0=
DATE August 19, 2008
SUBJECT Cost Estimates
Various Pedestrian Bridge Options
Endor Iron Furnace, E-4981
City of Sanford
Lee County
SDU File No C71004
The Endor Iron Furnace Trail for the City of Sanford requires three crossings of a
tributary to Big Buffalo Creek It has been agreed that one of those crossings (Sta 65+62)
will require a pedestrian bridge structure Discussion has occurred for the other two
stream crossings (Sta 38+05 and Sta 47+71), as to whether it is more appropriate to use
box culverts or pedestrian bridges for these crossings At an on site meeting on July 9,
2008, permitting, cost, maintenance, and other issues were discussed for both options
The NCDOT Structure Design Unit (SDU) was requested to provide cost estimates for
several possible bridge structure options for the two crossings We understand that the
required bridge span length for each of the crossings would be approximately 70 feet
The NCDOT minimum clear width for a pedestrian and bicycle bridge is 10 feet, and
AASHTO requires that pedestrian bridges be designed for a live load of 85 psf and a
vehicular load of 10,000 pounds Below are our cost estimates for bridge structure
options
Bridge Type Estimated Cost Approximate
(70' span) Superstructure Depth
does not include 54" rail)
Prefab Steel Truss w/ $ 136,700 20"
concrete deck
Wood Arch Suspension $ 127,800 18"
w/ wood deck
Steel Beam w/ concrete $ 104,000 36"
deck
MAILING ADDRESS
NC DEPARTMENT OF TRANSPORTATION
STRUCTURE DESIGN UNIT
1581 MAIL SERVICE CENTER
RALEIGH NC 276 99-1 5 8 1
TELEPHONE [phone]
FAX [phone]
WEBSITE WWW DOH DOT STATE NC US
Page 1 of 2
LOCATION
CENTURY CENTER COMPLEX
BUILDING A
1000 BIRCH RIDGE DRIVE
RALEIGH NC
i_
• ?p
Mr Lindsey
Endor Iron Furnace Trail Bridge Cost Estimates
August 19 2008
Page 2 of 2
Cored Slab w/ asphalt
wearing surface $ 94,500 24"
Wood Laminate Beam $ 93,800 48"
w/ wood deck
36" P/S Concrete $ 88,700 45"
Girders w/ concrete
deck
Please note that these eittmated costs are for construction of the superstructures and
substructures, only They do not include any costs for any approach fill or other items
that might be necessary
We understand that you have acquired or generated your own cost estimates for the
double 8' x 7' x 24' culvert at Sta. 38+05 and the double 9' x 9' x 32' culvert at Sta
47+71
We reiterate that, based on our experience and knowledge of the construction and
maintenance costs and issues of culverts and bridges, it is our opinion that culverts are the
appropriate option for these two stream crossings
We understand that the City of Sanford will maintain these structures We feel they
should be made well aware of the maintenance issues and costs associated with the
various options
If you have any questions or if we may be of further assistance, please contact either Tim
Sherrill or Farzin Asefma at [phone]
GRP/TMS
cc Brian Hanks
Kumar Trivedi
dF -y
Date S fwd
For kr -Yc
BY 'LL
ivuiLil ,L.arouna uepamnent or iransportatlon
Preliminary Estimate
RC BOX CULVERT
TIP# E-`-/1 ?R 1
Division
New yi
Extension
Station? t
Stream Tr=L +ci f7=u h?:C, .
C r0
25-
SIZE '(Length) - ' (Fill Ht)* - Lq?S (Skew)
Class "A" Concrete
r
Box 2 5 LF (Lgth) x 1, 6 3 % CY / LF = L- l , O CY
Wings (See Standards) _ 16.-5 CY ,
Headwalls (W)** --kE -LF x 0 0926 = / , -?- CY
Total Class "A" Concrete 59,-L ICY x $670 = $ -I 9 6(7 5
Reinforcing Steel
Box LF (Lgth) x Lbs / LF Tons
Wmgs 107-4 Tons -
Headwalls (W)** -&_LF x 2 672 = q Tons
Total Reinforcing Steel 1-4 57 Tons x $100
= $ S
Foundation Excavation /
-S _j_ (L + 4xHt) x _?_(W+3') x 3'/ 27 = CY x $30 = 3
Foundation Conditioning Material
0 035 x Z J (Lgth) x 1 (Width) Tons x $40 = 3 Q
Sub Total C J 1z O
Add 10% for Phase Construction
Add 20% for Extensions
Total RC Box Culvert Cost $ n
* Fill Height is from Bottom of the Top Slab to the Grade Line
* * W = Width + #Walls x 0 667 = Out to Out Width 11-19-07 DL
ha5?? S 7, ?ciW

Date S '
For Hj,l
By JL-L
TIP #
Division
New
Extension
Station
Stream
v
?r , F t _ 4
?r
O
SIZE a @ h ' x G, ' - CY' (Length) - __L' (Fill Ht)* - / I (Skew)
Class "A" Concrete
Box - "2 ? LF (Lgth) x I AL/0 CY / LF = y. ? CY
Wings (See Standards) = 2 5 Cy
Headwalls (W) ** '10 LF x 0 0926 = CY
Total Class "A" Concrete .. , CY x $670 = $ sy ??
Reinforcing Steel
Box 2't LF (Lgth) x j 4'1 S' Lbs / LF =
Wings
Headwalls (W)** 20 LF x 2 672 =
Total Reinforcing Steel .
iNorm %-aronna vepartment or i ransportation
Preliminary Estimate
RC BOX CULVERT
zF t ? ? ?.. G
(L + 4xHt) x Z (W**+3') x T/ 27 = r= 1 CY x $30 = ?? 7
C?/ Lbs
Lbs
5J '? Lbs
(o Lbsx$100?
Foundation Excavation
Foundation Conditioning Material
0 035 x 2- 9 (Lgth) x 2 (W**) = q, Tons x $40 5
Sub Total
Add 10% for Phase Construction
Add 20% for Extensions
$ /_LF = $ /LF Total RC Box Culvert Cost $
* Fill Height is from Bottom of the Top Slab to the Grade Line
* * W = Width + #Walls x 0 667 = Out to Out Width

Rev 12-04-07 DL