20091120 Ver 1_401 Application_20091009

October 19, 2009
091120
l
Wm lon Salem
Public Works Department
Engineering Division
US Army Corps of Engineers Gry o£Wnston-szlcm
P.O. B. 2511
Raleigh Regulatory Field Office Wns on-silcm. NC 27102
3331 Heritage Trade Drive, Suite 105 rd 336.727.2141
F. 336.727.23
Wake Forest, North Carolina 27587 ?p J>? A I ,,
, cit of of
ry rg
RE: Application for Section 404 Nationwide Permit 14 and Section 401 Water Quality
Certification for the Extension of Motor Road from Old Rural Hall Road (SR 2207) to
?,? „R
Old Forsyth Walkertown Road (SR 2456)
Forsyth County, North Carolina. . City Project No. 200502. v
'!WWIf
OCT 2 0 2009
Dear Sir or Madam:
DENR -WATER QUALITY
N'ETl.A Ws ARD STDWATER BRW M
The City of Winston-Salem proposes to upgrade an existing portion of Motor road between Old
Rural Hall and Baux Moutain Road and extend a new roadway facility from Baux Mountain
Road to Old Walkertown Road.
Please find the enclosed copies of the Pre-Construction Notification (PCN) Form, Project
location maps, Permit drawings, Stormwater management plan and Design plans for the above
referenced project.
This project is scheduled for letting and construction availability by the Summer of 2010.
If you have any questions or need additional information, please call me at 747-6833.
Sincerely,
ENGINEERING DIVISION
)6a /rrc-
Todd Love, P.E.
Project Engineer
with attachment
NCDWQ (5 copies)
without attachment
Mr. Clint Morgan, P.E. PBS&J
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Office Use Only:
Corps action ID no.
DWQ project no.
Form Version 1.3 Dec 10 2008
Pre-Construction Notification PC Form
A. Applicant Information
1. Processing 1
1 a. Type(s) of approval sought from the
Corps:

Section 404 Permit El Section 10 Permit
I
1b. Specify Nationwide Permit (NWP) number: 14 or General Permit (GP) number:
1c. Has the N WP or GP number been verified by the Corps? ? Yes ® No
1d. Type(s) of approval sought from the DWQ (check all that apply):
® 401 Water Quality Certification - Regular ? Non-404 Jurisdictional General Permit
? 401 Water Quality Certification - Express ? Riparian Buffer Authorization
le. Is this notification solely for the record
because written approval is not required? For the record only for DWQ 401
Certification:
? Yes ® No For the record only for Corps Permit:

? Yes ® No
1f. Is payment into a mitigation bank or in-lieu fee program proposed for mitigation
of impacts? If so, attach the acceptance letter from mitigation bank or in-lieu
fee program. ? Yes ®No
1g. Is the project located in any of NC's twenty coastal counties. If yes, answer 1h
below. ? Yes ®No
1h. Is the project located within a NC DCM Area of Environmental Concern (AEC)? ? Yes ® No
2. Project Information
2a. Name of project: Motor Road Extension from Old Rural Hall Road to Carver Schoo
Salem, North Carolina. City Project Number 200303 l Road in Winston-
2b. County: Forsyth no [&?M nirnr'
2c. Nearest municipality / town: Winston-Salem
2d. Subdivision name: not applicable
2e. NCDOT only, T.I.P. or state
project no:
?H1R•NatER
3.
DFUM
Owner Information
W
gBRAffCH
3a. Name(s) on Recorded Deed: City of Winston-Salem
31b. Deed Book and Page No. not applicable
3c. Responsible Party (for LLC i f
applicable): not applicable
3d. Street address: 100 E. First Street
3e. City, state, zip:
3f. Telephone no.: [phone]
3g. Fax no.: [phone]
3h. Email address: [e-mail]
Page 1 of 11
PCN Form - Version 1.3 December 10, 2008 Version
4. Applicant Information (if different from owner)
4a. Applicant is: ® Agent ? Other, specify:
4b. Name: Todd Love, P.E.
4c. Business name
(if applicable):
City of Winston-Salem, Engineering Department
4d. Street address: P.O. Box 2511
4e. City, state, zip: Winston-Salem, NC 27102-2511
4f. Telephone no.: 336-747-6833
4g. Fax no.: 336-727-2361
4h. Email address: [e-mail]
5. Agent/Consultant Information (if applicable)
5a. Name: not applicable
5b. Business name
(if applicable):
5c. Street address:
5d. City, state, zip:
5e. Telephone no.:
5f. Fax no.:
5g. Email address:
Page 2 of 11
PCN Form - Version 1.3 December 10, 2008 Version

B. Project Information and Prior Project History
1. Property Identification
1a. Property identification no. (tax PIN or parcel ID): n/a
1 b. Site coordinates (in decimal degrees): Latitude: 36.0945 Longitude: - 80.1315
(DD.DDDDDD) (-DD.DDDDDD)
1c. Property size: n/a acres
2. Surface Waters
2a. Name of nearest body of water (stream, river, etc.) to
Unnamed Tributary to Fivemile Branch
proposed project:
2b. Water Quality Classification of nearest receiving water: C
2c. River basin: Yadkin
3. Project Description
3a. Describe the existing conditions on the site and the general land use in the vicinity of the project at the time of this
application:
Existing land use in the project area consists of forested land and residential development. Motor road is an minor
thoroughfare which serves mostly residential traffic. Several schools are located within 2 miles of the road project. Motor
road runs east to west from Patterson avenue to Baux Mountain road.
3b. List the total estimated acreage of all existing wetlands on the property:
0 acres
3c. List the total estimated linear feet of all existing streams (intermittent and perennial) on the property:
n/a
3d. Explain the purpose of the proposed project:
The project will provide an east-west connection through the Carver/Ogburn area between Carver School road and Motor
road. It will also relieve traffic congestion on local intersections including Old Walkertown road at the intersections of
Carver School and Old Rural Hall roads. This project will improve traffic flow and safety and is consistent with the City of
Winston Salem's 2035 Long Range Transportation Plan.
3e. Describe the overall project in detail, including the type of equipment to be used:
The project involves approximately 1/4 mile of widening Motor road from Old Rural Hall road to Baux Mountain road. The
existing road will be converted from a 2-lane facility to a 3-lane facility with full curb and gutter (one lane in each direction
with a middle left turn lane). The new road from Baux Mountain road to Old Walkertown road will be a 3-lane facility. This
will involve grading, paving, drainage improvements, pipe culverts, curb and gutter and guardrail construction. Equipment
used will be a broad range of paving equipment, backhoes and wheel loaders, motor graders and trucks used in road
construction.
Page 3 of 11
PCN Form - Version 1.3 December 10, 2008 Version
4. Jurisdictional Determinations
4a. Have jurisdictional wetland or stream determinations by the
Corps or State been requested or obtained for this property /
project (including all prior phases) in the past?
Comments: Wetland and stream delineations were
completed in June of 2003 by S&ME biologist. No wetlands ? Yes ® No ? Unknown
were encountered and 4 stream were identified in the project
study area. These delineations have not been verified by the
USACE. A jurisdictuional determination request was
provided to Todd Tugwell. See attached June 2003 letter. No
written JD was provided.
4b. If the Corps made the jurisdictional determination, what type
? Preliminary ? Final
of determination was made?
4c. If yes, who delineated the jurisdictional areas? Agency/Consultant Company:
Name (if known): Other:
4d. If yes, list the dates of the Corps jurisdictional determinations or State determinations and attach documentation.
5. Project History
5a. Have permits or certifications been requested or obtained for ? Yes ® No ? Unknown
this project (including all prior phases) in the past?
5b. If yes, explain in detail according to "help file" instructions.
6. Future Project Plans
6a. Is this a phased project? ? Yes ® No
6b. If yes, explain.
Page 4 of 11
PCN Form - Version 1.3 December 10, 2008 Version
C. Proposed Impacts Inventory
1. Impacts Summary
1a. Which sections were completed below for your project (check all that apply):
? Wetlands ® Streams - tributaries ? Buffers
? Open Waters ? Pond Construction
2. Wetland Impacts
If there are wetland impacts proposed on the site, then complete this question for each wetland area impacted.
2a. 2b. 2c. 2d. 2e. 2f.
Wetland impact Type of jurisdiction
number - Type of impact Type of wetland Forested (Corps - 404, 10 Area of impact
Permanent (P) or (if known) DWQ - non-404, other) (acres)
Temporary T
W1 ? P ? T ? Yes ? Corps
? No ? DWQ
W2 ? P ? T ? Yes ? Corps
? No ? DWQ
W3 ? P ? T ? Yes ? Corps
? No ? DWQ
W4 ? P ? T ? Yes ? Corps
? No ? DWQ
W5 ? P ? T ? Yes ? Corps
? No ? DWQ
W6 ? P ? T ? Yes ? Corps
? No ? DWQ
2g. Total wetland impacts '
21h. Comments:
3. Stream Impacts
If there are perennial or intermittent stream impacts (including temporary impacts) proposed on the site, then complete this
question for all stream sites impacted.
3a. 3b. 3c. 3d. 3e. 3f. 3g.
Stream impact Type of impact Stream name Perennial Type of jurisdiction Average Impact
number - (PER) or (Corps - 404, 10 stream length
Permanent (P) or intermittent DWQ - non-404, width (linear
Temporary (T) (INT)? other) (feet) feet)
S1 ®P ®T Culvert UT1 to Fivemile ® PER ® Corps
0
9 218(perm)
Branch ? INT ? DWQ . 22 (temp)

S2 ® P ® T
Culvert UT2 to Fivemile
Branch
PER
[I
® Corps
4
5
rm)
®
INT ? DWQ . 49 (te
49 (temp)
S3 ? P ? T ? PER ? Corps
? INT ? DWQ
34 ? P ? T ? PER ? Corps
? INT ? DWQ
S5 ? P ? T ? PER ? Corps
? INT ? DWQ
S6 ? P ? T ? PER ? Corps
? INT ? DWQ
3h. Total stream and tributary impacts 523(perm)
71 (temp)
31. Comments: Temporary impacts are due to temporary erosion control measures at these sites. Permanent impacts at the
sites are due to proposed culvert installations.
Page 5 of 11
PCN Form - Version 1.3 December 10, 2008 Version
4. Open Water Impacts
If there are proposed impacts to lakes, ponds, estuaries, tributaries, sounds , the Atlantic Ocean, or any other open water of
the U.S. then individually list all open water impacts below.
4a. 4b. 4c. 4d. 4e.
Open water Name of waterbody
impact number - (if applicable) Type of impact Waterbody type Area of impact (acres)
Permanent (P) or
Temporary
01 ?P?T
02 ?P?T
03 ?P?T
04 ?P?T
4f. Total open water impacts
4g. Comments:
6. Pond or Lake Construction
If and or lake construction proposed, then complete the chart below.
5a. 5b. 5c. 5d. 5e.
Wetland Impacts (acres) Stream Impacts (feet) Upland
Pond ID Proposed use or purpose (acres)
number of pond
Flooded Filled Excavated Flooded Filled Excavated Flooded
P1
P2
5f. Total
5g. Comments:
5h. Is a dam high hazard permit required?
? Yes ? No
If yes, permit ID no:
5i. Expected pond surface area (acres):
5j. Size of pond watershed (acres):
5k. Method of construction:
6. Buffer Impacts (for DWQ)
If project will impact a protected riparian buffer, then complete the chart below. If yes, then individually list all buffer impacts
below. If an impacts require mitigation, then you MUST fill out Section D of this form.
6a.
? Neuse
?Tar-Pamlico ? Other:
Project is in which protected basin? ? Catawba ? Randleman
61b. 6c. 6d. 6e. 6f. 6g.
Buffer impact
number- Reason Buffer Zone 1 impact Zone 2 impact
Permanent (P) or for Stream name mitigation (square feet) (square feet)
Temporary impact required?
B1 ?P?T ?Yes
? No
B2 ?P?T ?Yes
? No
B3 ?P?T ?Yes
? No
6h. Total buffer impacts
6i. Comments:
Page 6 of 11
PCN Form - Version 1.3 December 10, 2008 Version
D. Impact Justification and Mitigation
1. Avoidance and Minimization
la. Specifically describe measures taken to avoid or minimize the proposed impacts in designing project.
In extreme fill locations 2:1 fill slopes have been utilized. Rip rap will be used to reduce erosion at pipe outlets and roadway
ditches. Preformed scour holes will be used to reduce erosion and sedimentation.The roadway typical section will consist of
grass shoulder berms, grass fill slopes, and grass lined roadway ditches.
1b. Specifically describe measures taken to avoid or minimize the proposed impacts through construction techniques.
Best Management Practices (BMP's) for construction will be used during the culvert installation. Sediment and erosion control
measures will be used during the construction. The no-build alternative to this project would not address the core purpose and
need for the project which is to provide congestion relief and traffic safety.
2. Compensatory Mitigation for Impacts to Waters of the U.S. or Waters of the State
2a. Does the project require Compensatory Mitigation for
impacts to Waters of the U.S. or Waters of the State? ? Yes ® No
2b. If yes, mitigation is required by (check all that apply): ? DWQ ? Corps

2c. If yes, which mitigat ion option will be used for this
project? ? Mitigation bank

El Payment to in-lieu fee program
? Permittee Responsible Mitigation
3. Complete if Using a Mitigation Bank
3a. Name of Mitigation Bank:
3b. Credits Purchased (attach receipt and letter) Type Quantity
3c. Comments:
4. Complete if Making a Payment to In-lieu Fee Program
4a. Approval letter from in-lieu fee program is attached. ? Yes
41b. Stream mitigation requested: linear feet
4c. If using stream mitigation, stream temperature: ? warm ? cool ?cold
4d. Buffer mitigation requested (DWQ only): square feet
4e. Riparian wetland mitigation requested: acres
4f. Non-riparian wetland mitigation requested: acres
4g. Coastal (tidal) wetland mitigation requested: acres
46. Comments:
5. Complete if Using a Permittee Responsible Mitigation Plan
5a. If using a permittee responsible mitigation plan, provide a description of the proposed mitigation plan.
Page 7 of 11
PCN Form - Version 1.3 December 10, 2008 Version
6. Buffer Mitigation (State Regulated Riparian Buffer Rules) -required by DWQ
6a. Will the project result in an impact within a protected riparian buffer that requires
buffer mitigation? ? Yes ® No
61b. If yes, then identify the square feet of impact to each zone of the riparian buffer that requires mitigation. Calculate the
amount of mitigation required.

Zone 6c.
Reason for impact 6d.
Total impact
(square feet)
Multiplier 6e.
Required mitigation
(square feet)
Zone 1 3 (2 for Catawba)
Zone 2 1.5
6f. Total buffer mitigation required:
6g. If buffer mitigation is required, discuss what type of mitigation is proposed (e.g., payment to private mitigation bank,
permittee responsible riparian buffer restoration, payment into an approved in-lieu fee fund).
6h. Comments:
Page 8 of 11
PCN Form - Version 1.3 December 10, 2008 Version
E. Stormwater Management and Diffuse Flow Plan (required by DWQ)
1. Diffuse Flow Plan
1a . Does the project include or is it adjacent to protected riparian buffers identified ? Yes ® No
within one of the NC Riparian Buffer Protection Rules?
1 b. If yes, then is a diffuse flow plan included? If no, explain why.
? Yes ? No
Comments:
2. Stormwater Management Plan
2a. What is the overall percent imperviousness of this project? n/a %
2b. Does this project require a Stormwater Management Plan? ® Yes ? No
2c. If this project DOES NOT require a Stormwater Management Plan, explain why:
2d. If this project DOES require a Stormwater Management Plan, then provide a brief, narrative description of the plan:
See attached
? Certified Local Government
2e. Who will be responsible for the review of the Stormwater Management Plan? ? DWQ Stormwater Program
® DWQ 401 Unit
3. Certified Local Government Stormwater Review
3a. In which local government's jurisdiction is this project?
? Phase II
3b. Which of the following locally-implemented stormwater management programs ? NSW
? USMP
apply (check all that apply): ? Water Supply Watershed
? Other:
3c. Has the approved Stormwater Management Plan with proof of approval been J EYes ? No
attached?
4. DWQ Stormwater Program Review
? Coastal counties
? HOW
4a. Which of the following state-implemented stormwater management programs apply ? ORW
(check all that apply):
? Session Law 2006-246
? Other:
41b. Has the approved Stormwater Management Plan with proof of approval been
attached? ? Yes ? No
5. DWQ 401 Unit Stormwater Review
5a. Does the Stormwater Management Plan meet the appropriate requirements? ? Yes ? No
5b. Have all of the 401 Unit submittal requirements been met? ? Yes ? No
Page 9 of 11
PCN Form - Version 1.3 December 10, 2008 Version
F. Supplementary Information
1. Environmental Documentation (DWQ Requirement)
la . Does the project involve an expenditure of public (federal/state/local) funds or the ® Yes ? No
use of public (federal/state) land?
1b . If you answered "yes" to the above, does the project require preparation of an
environmental document pursuant to the requirements of the National or State ? Yes ® No
(North Carolina) Environmental Policy Act (NEPA/SEPA)?
1c . If you answered "yes" to the above, has the document review been finalized by the
State Clearing House? (If so, attach a copy of the NEPA or SEPA final approval
letter.) ? Yes ? No
Comments:
2. Violations (DWQ Requirement)
2a. Is the site in violation of DWQ Wetland Rules (15A NCAC 2H .0500), Isolated
Wetland Rules (15A NCAC 2H .1300), DWQ Surface Water or Wetland Standards, ? Yes ® No
or Riparian Buffer Rules (15A NCAC 2B .0200)?
2b. Is this an after-the-fact permit application? ? Yes ®No
2c. If you answered "yes" to one or both of the above questions, provide an explanation of the violation(s):
3. Cumulative Impacts (DWQ Requirement)
3a. Will this project (based on past and reasonably anticipated future impacts) result in ®Yes ? No
additional development, which could impact nearby downstream water quality?
3b. If you answered "yes" to the above, submit a qualitative or quantitative cumulative impact analysis in accordance with the
most recent DWQ policy. If you answered "no," provide a short narrative description.
See attached
4. Sewage Disposal (DWQ Requirement)
4a. Clearly detail the ultimate treatment methods and disposition (non-discharge or discharge) of wastewater generated from
the proposed project, or available capacity of the subject facility.
not applicable
Page 10 of 11
PCN Form - Version 1.3 December 10, 2008 Version
5. Endangered Species and Designated Critical Habitat (Corps Requirement)
5a. Will this project occur in or near an area with federally protected species or ? Yes ® No
habitat?
5b. Have you checked with the USFWS concerning Endangered Species Act ? Yes No
impacts?
?
Raleigh
5c. If yes, ind icate the USFWS Field Office you have contacted.
? Asheville
5d. What data sources did you use to determine whether your site would impact Endangered Species or Designated Critical
Habitat?
Based on Threatened and Endangered species technical report completed by S&ME in January of 2004, it was
determined the proposed project will have no effect on threatened or endangered species.
6. Essential Fish Habitat (Corps Requirement)
6a. Will this project occur in or near an area designated as essential fish habitat? ? Yes ® No
6b. What data sources did you use to determine whether your site would impact Essential Fish Habitat?
NMFS Index
7. Historic or Prehistoric Cultural Resources (Corps Requirement)
7a. Will this project occur in or near an area that the state, federal or tribal
governments have designated as having historic or cultural preservation ? Yes ® No
status (e.g., National Historic Trust designation or properties significant in
North Carolina history and archaeology)?
7b. What data sources did you use to determine whether your site would impact historic or archeological resources?
City of Winston-Salem Forsyth County information, NCHPO records
8. Flood Zone Designation (Corps Requirement)
8a. Will this project occur in a FEMA-designated 100-year floodplain? ? Yes ®No
8b. If yes, explain how project meets FEMA requirements:
8c. What source(s) did you use to make the floodplain determination? NC flood maps
Todd M. Love A 10-19-09
Applicant/Agent's Printed Name ApplicanUAgent's Signature Date
(Agent's signature is valid only d an authorization letter from the applicant
is provided.)
Page 11 of 11
PCN Form - Version 1.3 December 10, 2008 Version
PROJECT LOCATION MAP
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JV?7L PROJECT 11
PROPOSED PROJECT 200303 NOT TO DATE
SCALE 10-12-09
MOTOR ROAD EXTENSION
STORMWATER MANAGEMENT PLAN
City of Winston-Salem Project No. 200303
Forsyth County, North Carolina
Motor Road Extension from Old Rural Hall Road to Old Walkertown Road
City Project Engineer: Todd Love, P.E.
PROJECT DESCRIPTION
The City of Winston-Salem proposes to extend an existing portion of Motor Road 0.75
miles to the Old Walkertown Road/Carver School Road intersection in Winston-Salem.
The scope of the work includes grading, drainage, paving, guardrail, signal and signing
improvements. The typical roadway section will be a three (3) lane curb and gutter
facility with center tum-lane. This project also provides for the construction of a new
sidewalk. Drainage systems consist of grated inlets with pipe networks, vegetated ditches
and preformed scour holes at pipe outlets.
The project also proposes to widen an existing portion of Motor Road between Old Rural
Hall Road (SR 2207) and Baux Mountain Road (SR 1946) to a three lane facility. The
proposed improvement will help improve safety by moving left turning traffic out of the
through lanes.
These roadway improvements will result in additional impervious area of approximately
6.10 acres.
ENVIRONMENTAL DESCRIPTION
The project is located near the divide between the Yadkin-Pee Dee and the Roanoke
River basin in Forsyth County North Carolina. Water resources in the area include Mill
Creek, Fivemile Branch and Unnamed Tributaries to Fivemile Branch. Fivemile Branch
is a perennial stream that flows south to north just outside the project boundaries and has
a best usage classification of C. All waters within the project flow into the Fivemile
Branch and do not have an assigned Stream Index Number by the N.C. Division of Water
Quality. The surrounding area is rolling piedmont with natural ground elevations between
approximately 950 and 1000 feet. Existing land use varies from forested land and
residential development along the project.
Neither High Quality Waters (HQW), Water Supplies (WS-I or WS-11) are located within
1.0 mile of the project area.
BEST MANAGEMENT PRACTICES
The primary goal of Best management practices (BMP's) is to prevent degradation of the
states surface waters by the location, construction and operation of roadway system. The
BMP measures used on this project to reduce stormwater impacts are:
• The roadway typical section consists of grassed shoulders, wooded or grassed fill
slopes, and grass lined roadway ditches.
• The hydraulic design minimizes water quality impacts by using pre-formed scour
holes and vegetated ditches with rock checks to reduce erosion.
• Rip rap was used where warranted to reduce erosion at pipe outlets and within
roadway ditches.
• In steep fill locations, 2:1 fill slopes were used to minimize impacts.
• Some non-structural Best Management Practices area such as public outreach and
education and litter control are applicable to the project.
• 1
PBS
An employee-owned company
June 16, 2003
Mr. Todd Tugwell
US Army Corps of Engineers
6508 Falls of the Neuse Road, Suite 120
Raleigh, North Carolina 27615
Dear Mr. Tugwell:
I am writing to request a verification letter on the jurisdictional determinations for wetlands and
streams along the for the proposed Carver School Road extension. No wetlands were
encountered. The attached documents (a figure presenting the stream resources, and stream
photographs) are provided to assist in your decision.
As agreed, we will meet in the field at the comer of Old Salisbury Road and West
Clemmonsville Road (start of the project) on July 8, 2003 at 9 am to inspect the resources.
If you require any further information, please feel free to contact me at [phone].
Yours sincerely,

Eric Galamb, PWS
Senior Scientist
Cc: Toneq' McCullough, 'City of Winston-Salem
1616 E, MillbroO Road, Suite 310 • Raleigh, North Carolina 27609 9 Telephone, 919.876.6888 • Fax: [phone] • www.pbsj com
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LEGEND -1/ perennial
Wetlands f? Stream Numbers
Intermittent NonSignificant
Parcel Boundaries
/'\•% Stormwater
E' M
j?•,j • Not Evaluated °
300 0 300 BOO Feet
Carver School Road
Gry of
Winston Salem
190"5?1P11 Figure
1
r.7 r
Culvert Calculator Report
Motor Road 72" RCP Sta. 37+45
Solve For Headwater Elevation
Culvert Summary
Allowable HW Elevation 919.70 ft Headwater Depth/Height 1.02
Computed Headwater Elew 918.59 ft Discharge 212.00 cis
Inlet Control HW Elev. 918.30 ft Tailwater Elevation 912.75 ft
Outlet Control HW Elev. 918.59 ft Control Type Entrance Control
Grades
Upstream Invert 912.50 ft Downstream Invert 909.75 ft
Length 186.00 ft Constructed Slope 0.014785 Wit
Hydraulic Profile
Profile S2 Depth, Downstream 2.86 ft
Slope Type Steep Normal Depth 2.68 ft
Flow Regime S upercritical Critical Depth 3.98 ft
Velocity Downstream 15.91 ft/s Critical Slope 0.004125 ft/ft

Section
Section Shape Circular Mannings Coefficient 0.013
Section Material Concrete Span 6.00 ft
Section Size 72 Inch Rise 6.00 ft
Number Sections 1

Outlet Control Properties
Outlet Control HW Elev. 918.59 ft Upstream Velocity Head 1.76 ft
Ke 0.20 Entrance Loss 0.35 ft

Inlet Control Properties
Inlet Control HW Elev. 918.30 ft Flow Control N/A
Inlet Type Groove end w/headwall Area Full 28.3 ft2
K 0.00180 HOS 5 Chart 1
M 2.00000 HDS 5 Scale 2
C 0.02920 Equation Form 1
Y 0.74000
Title: Motor Road Project Engineer. 17976
g:\...\motor roadvnotor_road_culverts.cvm Charlotte CulvertMaster v3.1 [03.01.010.00]
09/29/09 11:26:04 Meentley Systems, Inc. Haestad Methods Solution Center Watertown, CT 06795 USA [phone] Page 1 of 1

Culvert Calculator Report
Motor Road 42" RCP - Sta. 48+45
Solve For. Headwater Elevation
Culvert Summary
Allowable HW Elevation 957.20 ft Headwater Depth/Height 0.94
Computed Headwater Elev. 956.31 It Discharge 49.00 cfs
Inlet Control HW Elev. 956.11 It Tailwater Elevation 946.50 ft
Outlet Control HW Elev. 956.31 It Control Type Entrance Control
Grades
Upstream Invert 953.00 It Downstream Invert 944.50 ft
Length 263.00 ft Constructed Slope 0.032319 ft/ft
Hydraulic Profile
Profile S2 Depth, Downstream 1.24 ft
Slope Type Steep Normal Depth 1.24 It
Flow Regime S upercritical Critical Depth 2.19 ft
Velocity Downstream 15.98 We Critical Slope 0.004650 ft/ft
Section
Section Shape Circular Mannings Coefficient 0.013
Section Material Concrete Span 3.50 It
Section Size 42 inch Rise 3.50 It
' Number Sections 1
Outlet Control Properties
Outlet Control HW Elev. 956.31 ft Upstream Velocity Head 0.93 It
Ke 0.20 Entrance Loss 0.19 It
Inlet Control Properties
Inlet Control HW Elev. 956.11 It Flow Control N/A
Inlet Type Groove end w/headwall Area Full 9.6 ft2
K 0.00180 HDS 5 Chart 1
M 2.00000 HDS 5 Scale 2
C 0.02920 Equation Form 1
Y 0.74000
Title: Motor Road Project Engineer. 17976
g:\...\motor road\motor road_c ulverts.cvm Charlotte CulvertMaster v3.1 [03.01.010.00]
09/29/09 11:27:20 lUSentley Systems, Inc. Haestad Methods Solution Center Watertown, CT 06795 USA +1403755.1666 Page 1 of 1
Culvert Calculator Report
Motor Road 24" RCP - Sta. 45+90
Solve For. Headwater Elevation
Culvert Summary
Allowable HW Elevation 962.40 It Headwater Depth/Height 0.84
Computed Headwater Elew 961.69 it Discharge 10.00 cis
Inlet Control HW Elev. 961.51 it Tailwater Elevation 944.00 it
Outlet Control HW Elev. 961.69 it Control Type Entrance Control

Grades
Upstream Invert
Length 960.00 it
170.00 It Downstream Invert
Constructed Slope 943.00 It
0.100000 Wft

Hydraulic Profile
Profile
Slope Type
Flow Regime
Velocity Downstream S2
Steep
Supercrifical
16.05 Ws Depth, Downstream
Normal Depth
Critical Depth
Critical Slope 0.51 it
0.51 ft
1.13 it
0.005202 Wit

Section
Section Shape
Section Material
Section Size
Number Sections Circular
Concrete
24 inch
1 Mannings Coefficient
Span
Rise 0.013
2.00 It
2.00 it

Outlet Control Properties
Outlet Control HW Elev.
Ke 961.69 it
0.20 Upstream Velocity Head
Entrance Loss 0.46 it
0.09 ft

Inlet Control Properties
Inlet Control HW Elev. 961.51 It
Inlet Type Groove end w/headwall
K 0.00180
M 2.00000
C 0.02920
Y 0.74000 Flow Control
Area Full
HDS 5 Chart
HDS 5 Scale
Equation Forth N/A
3.1 112
1
2
1
Title: Motor Road Project Engineer: 17976
gA...Vnotor road\motor_road_aiverts.cvm Charlotte CulvertMaster v3.1 [03.01.010.00]
0929/09 03:35:11 RWentley Systems, Inc. Haestad Methods Solution Center Watertown, CT 06795 USA [phone] Page 1 of 1
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