20151012 Ver 1_401 Application_20150915

CAROLINA
ECOSYSTEMS, INC.
September 20, 2015
Mr. John Thomas S E P 9, n 2 015
US Army Corps of Engir eery: - -= Vv %��­uRCES I
Raleigh Regulatory Offic P 401 & BUt i cri PERMITTING 1
3331 Heritage Trade Drive, Suite 105
Wake Forest, North Carolina 27587
RE: Minor Alignment Change
Environmental Assessment
City of Winston -Salem Water Main Replacement
Forsyth County, North Carolina
Dear Mr. Thomas;
3040 NC Hwy 42 West; Clayton, NC 27520
P:919- 606 -1065 — F:919 -585 -5570
2015112
On behalf of the City of Winston -Salem (City) and their engineer, Davis - Martin- Powell, Carolina
Ecosystems, Inc. (CEI) is providing the attached Pre - Construction Notification and associated plans
and supporting materials. The attached materials, along with the information provided in this letter
are provided for your review and issuance of a Clean Water Act Section 404 Nationwide Permit 12.
A copy of this information is also being sent to the NC Division of Water Resources for their
review and issuance of a Section 401 General Certification 3884.
Project Purpose and Need (PCN Item B.3d)
The City is planning to replace and relocate two water transmission lines (20 -inch and 24 -inch) with
a new 30 -inch transmission line. The actual installation date of the current water system in the
project area is not known, but based on plans for other infrastructure showing these lines they are at
least 50 years old, and could be as old as 60 -80 years. Some of these lines have been repaired
multiple times and continue to cause maintenance issues. On multiple occasions in the past, the
existing City water mains have been relocated due to conflicts with University infrastructure
expansion or improvements. Relocations involve temporary interruptions in water service,
increased incremental costs of relocation to the City, and potential delays in project schedules. In
order to avoid further conflicts with planned University infrastructure and to address the aging
infrastructure issue, the proposed project would relocate the transmission line beyond the future
expansion area of the University. The campus has grown in size and developed all around these
existing water mains. Any problems, such as a break in the water main, could pose a danger to the
buildings and students on campus. It would also be more difficult and more disruptive to the entire
campus to repair or maintain these water mains in their present location. r—_—,,,_
Project Description (PCN Item B.3e)
The City of Winston -Salem is proposing to replace and relocate two water
inch and 24 -inch lines) from their existing R. A. Thomas Water Treatment

Mr. John Thomas Page 2 of 3
September 20, 2015
Winston -Salem State University with a 30 -inch water transmission line (Figure 1). The City is
proposing to combine and relocate these lines around the outer edge of the University. These water
mains primarily serve the downtown Winston -Salem area, however required interconnection with
other service areas does exist.
The line replacement would involve two new stream crossings and one replacement of an existing
stream crossing in order to avoid conflicts with unstable stream banks and existing high tension
transmission lines. The proposed line would run approximately 3,000 linear feet from the WTP
north to tie into existing City infrastructure (Figure 2). The construction corridor would be
approximately 40 feet wide, resulting in a total disturbance area of approximately 2.75 acres. No
new service areas and no increase in water supply are associated with this project. Construction
equipment will include, but not be limited to, excavators, track hoes, and dump trucks.
Construction within the Brushy Fork culvert under the railroad will be completed in the dry. The
existing water infrastructure will be removed from the eastern barrel, which currently does not
contain jurisdictional waters. Flow will be diverted into this barrel and the new water main installed
in the western barrel, to align it with a future planned greenway crossing. Stream banks up and
downstream will be stabilized with riprap and geotextile fabric to ensure stream stability. The water
main will be secured within the culvert per the attached plans. A concrete sill will be constructed
on the upstream side of the western barrel to ensure base flow passes through the eastern barrel.
Vegetative bank stabilization was considered but due to the current instability of the bank, presence
of significant invasive species outside the project area (and control of the City) including kudzu,
and the highly variable flow regime of Brushy Fork due to its urban watershed, riprap stabilization
was deemed the most appropriate method.
Impact Minimization (PCN Item D.la)
As described in the attached PCN form and thoroughly documented in the Environmental
Assessment for this project, multiple alternatives were considered to avoid wetland and stream
impacts while considering existing infrastructure conflicts and other project constraints. The
alignment for this project was re- evaluated several times, including 2012 due to the presence of a
contaminated area east of Brushy Fork, and 2015 due to the extreme costs of the rail bore described
below. The proposed alignment involves the minimum amount of impact practical give the
complexities of this project in its urban environment. Resources being impacted are of low quality
including linear wetland ditches and stream channels previously impacted by development.
Wetland impacts have been minimized to the greatest practical extent. Stream crossings are
primarily perpendicular with the exception of the aforementioned crossing through the Brushy Fork
culvert. This crossing is required for several reasons. First the practicability of boring under the
railroad was thoroughly evaluated, including sending the project out to bid to obtain contractor
pricing for that option. The lowest bid was approximately twice the budgeted cost for the project.
The primary reason for the high cost was the bore under the railroad, as this area contains
significant backfill of rubble and other material that would make this construction difficult to
complete. This bid price made the project impractical. Directional drilling or boring of the other
stream crossings is impractical due to the channels already being degraded, expanded area

Mr. John Thomas Page 3 of 3
September 20, 2015
necessary for bore pits causing additional impacts or encroaching into contaminated areas, and
presence of shallow bedrock at Salem Creek.
The City is in the process of designing a proposed greenway but the time frame for that project has
not been determined. Plans include crossing the railroad through the western barrel of the culvert
and realigning Brushy Fork to flow through the eastern barrel as described above. In order to co-
locate infrastructure as much as possible, the proposed water main is designed in the western barrel
and would be constructed below the greenway elevation and protected. In the event the greenway is
not constructed, the water main will continue to function and be protected. Passing through the
western barrel also allows the proposed line to avoid a potentially contaminated area on the east
side of Brushy Fork (Figure 2).
The preceding information, along with the enclosed PCN form, Vicinity map, Project map, USGS
map, impact site maps, and engineering plans are being submitted for your review of this project.
If you have any questions or need additional information please contact me at your earliest
convenience at (919) 606 -1065 or phil.may @carolinaeco.com.
Sincerely,
Carolina Ecosystems, Inc.
1
Phil May
Senior Environmental Scientist
Cc: Karen Higgins, NCDWR
Ron Hargrove, City of Winston -Salem (electronic copy)
Andy Larrick, P.E., Davis - Martin- Powell (electronic copy)
Attachments:
- PCN Form
- Figure 1: Vicinity Map
- Figure 2: Project Map
- Figure 3: USGS Map
- FONSI & Clearinghouse Letter
- USFWS Concurrence Letter
- Site Impact Maps
- Engineering Plans

_0A .,,ot W A 7-f;, ,
Office Use Only:
Corps action ID no.
DWQ project no.
Form Version 1.4 January 2009
Pre - Construction Notification (PCN) Form
A. Applicant Information
1. Processing
1a. Type(s) of approval sought from the Corps:
1 b. Specify Nationwide Permit (NWP) number: 12
1 c. Has the NWP or GP number been verified by the Corps?
❑X Section 404 Permit ❑ Section 10 Permit
or General Permit (GP) number:
X❑ Yes ❑ No
1 d. Type(s) of approval sought from the DWQ (check all that apply):
9 401 Water Quality Certification — Regular ❑ Non -404 Jurisdictional General Permit
❑ 401 Water Quality Certification — Express ❑ Riparian Buffer Authorization
1 e. Is this notification solely for the record For the record only for DWQ For the record only for Corps Permit:
because written approval is not required? 401 Certification:
❑ Yes © No
❑ 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
❑ Yes
❑X No
or in -lieu fee program.
1g. Is the project located in any of NC's twenty coastal counties. If yes, answer 1h (
❑ Yes
Q No
below.
1 h. Is the project located within a NC DCM Area of Environmental Concern (AEC)? I
❑ Yes
Q No
2. Project Information
2a. Name of project: Water Transmission System Improvements near
Thomas WTP
and WSSU
2b. County: Forsyth
2c. Nearest municipality / town: Winston -Salem
2d. Subdivision name: N/A
2e. NCDOT only, T.I.P. or state project no: I N/A
3. Owner Information
3a. Name(s) on Recorded Deed:
3b. Deed Book and Page No.
3c. Responsible Party (for LLC if
applicable):
3d. Street address:
3e. City, state, zip:
3f. Telephone no.:
3g. Fax no.:
3h. Email address:
Multiple owners - see attached plans. City to acquire easements.
3000 -13, 429 -101, 2020 -3334
Mike Patton
P.O. Box 2511
Winston - Salem, NC 27102
(336)- 727 -8000
(336)- 727 -8432
[e-mail]
Page 1 of 10
PCN Form — Version 1.4 January 2009

4. Applicant Information (if different from owner)
4a. Applicant is: ❑ Agent
4b. Name:
4c. Business name
(if applicable):
4d. Street address:
4e. City, state, zip:
4f. Telephone no.:
4g. Fax no.:
4h. Email address:
5. Agent/Consultant Information (if applicable)
5a. Name: Phil May
5b. Business name
(if applicable):
5c. Street address:
5d. City, state, zip:
5e. Telephone no.:
5f. Fax no.:
5g. Email address:
❑ Other, specify:
Carolina Ecosystems Inc.
3040 NC Hwy 42 West
Clayton, NC 27520
(919)- 606 -1065
(919)- 585 -5570
phil.may @carolinaeco.com
Page 2 of 10

B. Project Information and Prior Project History
1. Property Identification
1a. Property identification no. (tax PIN or parcel ID):
1b. Site coordinates (in decimal degrees): I Latitude:
1c. Property size:
2. Surface Waters
2a. Name of nearest body of water to proposed project:
2b. Water Quality Classification of nearest receiving water:
2c. River basin:
3. Project Description
See attached plans
Longitude:
acres
Brushy Fork and Salem Creek
C
Yadkin
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:
The site and general vicinity are comprised of urban development including institutional (University), industrial, railroad, roads, and power transmission
lines. Some forested areas remain along Brushy Fork and Salem Creek.
3b. List the total estimated acreage of all existing wetlands on the property: 0.01
3c. List the total estimated linear feet of all existing streams (intermittent and perennial) on the property: 330
3d. Explain the purpose of the proposed project:
See attached cover letter.
3e. Describe the overall project in detail, including the type of equipment to be used:
See attached cover letter
4. Jurisdictional Determinations
4a. Have jurisdictional wetland or stream determinations by the X❑ Yes ❑ No ❑ Unknown
Corps or State been requested or obtained for this property /
project (including all prior phases) in the past? Comments:
4b. If the Corps made the jurisdictional determination, what type 0 Preliminary ❑ Final
of determination was made?
4c. If yes, who delineated the jurisdictional areas? Agency /Consultant Company: Carolina Ecosystems, Inc.
Name (if known): Phil May, Brian Smith Other: CEI re- verified alignment in 2015
4d. If yes, list the dates of the Corps jurisdictional determinations or State determinations and attach documentation.
11/2/09 PJD was submitted. Current corridor includes two ditches draining wetlands, and three streams.
I
5. Project History
5a. Have permits or certifications been requested or obtained for El 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 3 of 10
PCN Form — Version 1.4 January 2009

C. Proposed Impacts Inventory
1. Impacts Summary
1 a. Which sections were completed below for your project (check all that apply):
❑X Wetlands ❑X 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 impact Type of wetland Forested Type of jurisdiction
Area of
number Corps (404,10) or
impact
Permanent (P) or DWQ (401, other)
(acres)
Temporary (T)
W1 T Excavation Unknown No Corps
0.01
W2 T Excavation Unknown No Corps
0.01
W3 - Choose one Choose one Yes /No -
W4 - Choose one Choose one Yes /No -
W5 - Choose one Choose one Yes /No -
W6 - Choose one Choose one Yes /No -
2g. Total Wetland Impacts:
0.01
2h. Comments:
Total area of impact and individual sites are less than 0.01 acres (see attached plans). Wetland type is not applicable as both impacts are to ditches
that occasionally drain jurisdictional wetlands but do not have stream characteristics.
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 (PER) or Type of Average
Impact
number intermittent (INT)? jurisdiction stream
length
Permanent (P) or width
(linear
Temporary (T) (feet)
feet)
S1 T Excavation UT to Salem Creek PER Corps 10
20
S2 T
I Excavation Salem Creek PER Corps 30
20
S3 T
I Excavation I Brushy Fork I PER Corps I 25
20
S4 T
I Relocation I Brushy Fork I PER Corps I 25
270
S5 -
I Choose one
S6 -
+ Choose one
3h. Total stream and tributary impacts
330
3i. Comments:
Stream impacts S1, S2, and S3 are perpendicular stream crossings that comply with NWP 12 conditions. Impact S4 is the relocation and
stabilization
of Brushy Fork as described in the attached cover letter.
Mil
Page 4 of 10
PCN Form — Version 1.4 January 2009

4. Open Water Impacts
6e.
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.
Buffer Impact Reason for impact
4a. 4b. 4c.
4d. 4e.
Open water Name of waterbody
number —
impact number (if applicable) Type of impact
Waterbody Area of impact (acres)
Permanent (P) or
type
Temporary (T)
(square
01 Choose one
Choose
02 Choose one
Choose
03 - Choose one
Choose I
04 Choose one
Choose
4f. Total open water impacts
4g. Comments:
I Yes/No
5. Pond or Lake Construction
If pond or lake construction proposed, ther complete the chart below.
I Yes/No
5a. 5b. 5c.
5d. 5e.
Pond ID number Proposed use or Wetland Impacts (acres)
Stream Impacts (feet) Upland
purpose of pond
(acres)
Flooded Filled Excavated
Flooded Filled Excavated
P1 Choose one
P2 Choose one
I Yes/No
5f. Total:
5g. Comments:
6h. Total Buffer Impacts:
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 any impacts require mitigation, then you MUST fill out Section D of this form.
6a. Project is in which protected basin? ❑ Neuse ❑ Tar - Pamlico ❑ Catawba ❑ Randleman ❑ Other:
6b. 6c. 6d.
6e.
6f.
6g.
Buffer Impact Reason for impact
Stream name Buffer
Zone 1
Zone 2
number —
mitigation
impact
impact
Permanent (P) or
required?
(square
(square
Temporary (T)
feet)
feet)
131 I I
Yes /No
B2 I I
I Yes/No
B3 I I
I Yes/No
B4 I
Yes /No
B5 I I
I Yes/No
B6 I I
I Yes/No
6h. Total Buffer Impacts:
6i. Comments:
Page 5 of 10

D. Impact Justification and Mitigation
1. Avoidance and Minimization
1a. Specifically describe measures taken to avoid or minimize the proposed impacts in designing project.
Impact minimization was performed during both the planning and design phase of this project and is thoroughly documented in the SEPA EA. Wetland
impacts have been avoided except for two minor jurisdictional ditch crossings. Stream crossings have been minimized to those necessary to avoid
infrastructure conflicts and a potentially contaminated area. The stream relocation and stabilization minimizes disturbance to Brushy Fork by co-
locating the main with a planned greenway project. See cover letter for additional details.
1 b. Specifically describe measures taken to avoid or minimize the proposed impacts through construction techniques.
Sediment and erosion control measures will be implemented according to NC requirements, and approved by NCDENR prior to implementation.
Jurisdictional areas not permitted to be impacted that are adjacent to construction areas will be clearly marked with protection fencing or other similar
method to avoid inadvertent encroachment. Copies of the issued permits and impact areas will be provided to the prime contractor and all
subcontractors. Nationwide 12, and 27, conditions will be included in the contract documents.
2. Compensatory Mitigation for Impacts to Waters of the U.S. or Waters of the State
2a. Does the project require Compensatory Mitigation for ❑ Yes © No
impacts to Waters of the U.S. or Waters of the State?
2b. If yes, mitigation is required by (check all that apply): ❑ DWQ ❑ Corps
❑ Mitigation bank
2c. If yes, which mitigation option will be used for this ❑ Payment to in -lieu fee program
project?
❑ Permittee Responsible Mitigation
3. Complete if Using a Mitigation Bank
3a. Name of Mitigation Bank:
Type: Choose one Quantity:
3b. Credits Purchased (attach receipt and letter) Type: Choose one
Type: Choose one
3c. Comments:
4. Complete if Making a Payment to In -lieu Fee Program
4a. Approval letter from in -lieu fee program is attached. ❑ Yes
4b. Stream mitigation requested: linear feet
4c. If using stream mitigation, stream temperature: Choose one
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
4h. Comments:
5. Complete if Using a Permittee Responsible Mitigation Plan
Quantity:
Quantity:
5a. If using a permittee responsible mitigation plan, provide a description of the proposed mitigation plan.
Page 6 of 10
PCN Form — Version 1.4 January 2009

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 I Yes QX No
buffer mitigation?
6b. 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.
6c. 6d. 6e.
Zone Reason for impact Total impact Multiplier Required mitigation
(square feet) (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 7 of 10

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 X❑ No
within one of the NC Riparian Buffer Protection Rules?
1b. If yes, then is a diffuse flow plan included? If no, explain why.
❑ Yes ❑ No
2. Stormwater Management Plan
2a. What is the overall percent imperviousness of this project? 5
2b. Does this project require a Stormwater Manaqement Plan? ❑ Yes 0 No
2c. If this project DOES NOT require a Stormwater Management Plan, explain why:
Nationwide Permit 12 does not require a stormwater management plan; additionally project impervious area is minimal and disturbed areas will be
returned to existing grades which will not concentrate stormwater flow.
2d. If this project DOES require a Stormwater Management Plan, then provide a brief, narrative description of the plan:
2e. Who will be responsible for the review of the Stormwater Management Plan?
3. Certified Local Government Stormwater Review
3a. In which local government's jurisdiction is this project?
3b. Which of the following locally - implemented stormwater management programs
apply (check all that apply):
3c. Has the approved Stormwater Management Plan with proof of approval been
attached?
4. DWQ Stormwater Proqram Review
4a. Which of the following state - implemented stormwater management programs apply
(check all that apply):
4b. Has the approved Stormwater Management Plan with proof of approval been
attached?
5. DWQ 401 Unit Stormwater Review
5a. Does the Stormwater Management Plan meet the appropriate requirements?
5b. Have all of the 401 Unit submittal requirements been met?
❑ Phase II
❑ NSW
❑ USMP
❑ Water Supply Watershed
❑ Other:
❑ Yes ❑ No
[]Coastal counties
❑HQW
❑ORW
❑Session Law 2006 -246
[]Other:
❑ Yes ❑ No
❑ Yes ❑ No
❑ Yes ❑ No
Page 8 of 10
PCN Form — Version 1.4 January 2009

F. Supplementary Information
1. Environmental Documentation (DWQ Requirement)
1a. Does the project involve an expenditure of public (federal /state /local) funds or the Yes ❑ No
use of public (federal /state) land?
1 b. 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 X❑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.) 2010 Clearinghouse letter attached. Note that the project does not currently require 0 Yes ❑ No
Comments: a SEPA review due to recent regulation changes.
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? El Yes ❑X 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 I ❑Yes 0 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.
No change in service area or increase in water supply capacity is associated with this project. The water mains being replaced are in conflict with
Winston -Salem State University plans to expand their facilities. These plans would occur in areas already built out, such as parking lots. The
expansion is planned regardless of the location of the water mains.
4. Sewage Disposal (DWQ Requirement)
f
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.
No wastewater will be generated by this project.
T
Page 9 of 10
PCN Form — Version 1.4 January 2009

S. Endangered Species and Designated Critical Habitat (Corps Requirement)
5a. Will this project occur in or near an area with federally protected species or ❑ Yes Q No
habitat?
5b. Have you checked with the USFWS concerning Endangered Species Act ® Yes ❑ No
impacts?
5c. If yes, indicate 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?
Natural Heritage Program NHEO database, on -site habitat review, and consultation with the USFWS. Note that the project was re- evaluated for
concurrence with Section 7 of the Endangered Species Act (including northern long -eared bat listing). USFWS correspondence is attached. In
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?
EFH Mapper
!.
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 ❑X 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?
National Register of Historic Places, HPO Web, and consultation with SHPO during the preparation of the SEPA EA.
8. Flood Zone Designation (Corps Requirement)
I
8a. Will this project occur in a FEMA- designated 100 -year floodplain?
© Yes ❑ No
8b. If yes, explain how project meets FEMA requirements:
The City has contracted a hydraulic engineer to evaluate the effect on FEMA floodplains, and will coordinate with the NC Flood Mapping Program to
ensure compliance via a No Rise Certification or Letter of Map Revision as needed.
I
8c. What source(s) did you use to make the floodplain determination?
NC Flood Mapping Program data.
0
Applicant/Agent's Printed Name
"Apnr , nt/Agent s Signature Date
(Agent's sig ature is valid only if an authorization
letter from the applicant is provided.)
Page 10 of 10

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CAROLINA Proposed Water Line N
ECOSYSTEMS, INC. Figure 1: Vicinity Map
3040 NC 42 West, Clayton, NC 27520 USGS Named Streams 0 0.5 1 Miles � Pre- Construction Notification
P: (919) -606 -1065 F:(919) -585 -5570 Municipalities I Water Main Replacement
Date: September 2015 r! Winston - Salem, NC

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CAROLINA N Proposed Water Line Figure 3: USGS Map
ECOSYSTEMS, INC.
3040 NC 42 West; Clayton, NC 27520 mmmmmmEzz= Feet Pre- Construction Notification
P: (919) -606-1065 F:(919 )- 585-5570 0 250 500 Water Main Replacement
Date: September 2015 Winston -Salem East (2013) USGS 1:24000 Guadrangle Map Winston- Salem, NC

ti>
Water Main Replacement Project
City of Winston -Salem
Forsyth Coa nty; North Carolina
Dee F =reeman
Secretary
'I he State Environmental Policy Act (G.S; 113A) requires that the Division of Environmental•. Health, determine, whether,a proposed
major,aaency, act ion will sign ificantly-affecvthe environment. The'City,of Winston -Salem Water'Ivlain Replacement Project is'such a
major action.
In order to detcrmine whether• replacing'and relocating two water transmission lines (20 inch and,224,inches) from-their cxistina R. A.
Thomas Water Treatment Plant (WTP) adjacent to Winston -Salem State University with,a 30 -inch water transmission linc;wifl cause
significant environmental impacts, an. env iron mental assessment has been prepared, The'environmehtal asscssment'is attached. It
contains detailed information on the key issues; including a brief description of the proposed project and a summary o'fprobable
,environmental, impacts with proposed mitigations. None of the, impacts were found to be significant.
On the,hasis pfthe analysis of the impacts as, shown in the environmental assessment, no environmental- impact statement (EIS) will
be prepared. 'Phis,,FOINSl completes the, environmental review record. The rONSI and Environmental Assessment shill 6e available
for inspection and comment for O days at the State Clearinghouse.
Suntmaryof.FONSI for publication in the Environmental Bulletin: After coinpletion of an environmental assessment under G.S.
113A, a FONSI has been made in the case of the City•of Winston- Saldm'Water Main Replacement "Project, information supporting:
the need for the proposed project was revlewed, ealong with relative impacts, other alternative approaches and mitigating measures.
erry ' . Pierce (L7ate
D
VV
irector, tnvironmentai. Health
96blic Water Supply SeCt,on - Jesira G. tvlises,,Chlet
1634 Maif$ervic:E Center; °Rater Ne it Caratrr;8,27693 -1"34
Phone: 9f9- 733.2321 FA 519:71!x43; 4 t Lab'Forrti FAX: 919= 715 - 66371 interret ncdrink ;age °pater ;siate.nC :�5,
An E @t: Ut �n n h l9Jtcra tr,@ f t,: 7 rs y@r
One
I` oilhCarofiIra
AlturallY

a�.9ut7[�.,
North Carolina
apartment of Administration
Beverly Eaves Perdue, Governor
Secretary
September 14, 2010
Mr. Jim: McRight
NCDENR, Public Watcr Supply Section
1634 Mail Service Center
Raleigh, NC 27699
Moses Carey, Jr.,,
Re: SCA Fite #4 1 -E-4340-009; EA/F ONSll; Proposal to xeplace •and relocate two water
transmission, lines from existing R.A. Thomas" Wi ter Treatment ]Plaint adjacent to
Winston-Salem. State University with a 30,inch water- transmission line
Dear Mr. McRight:
The above referenced environ ientaI impact information has been reviewed through the State
Clearinghouse under the provisions of the North Carolina Environmental Policy Act.
No comments were- made.by any state /local agencies in the course of this review, Therefore, no further
environmental review- wctio» on your part is required for the compliance with the Act.
Best regards.
Sincerely,
Ms. Chrys Baggctt
.State Environmental Review Clearinghouse
cc: Region I
Mailing Address; Teleplrorie: (914)807 -2425 Location Addr &s.
1341 Mail.SewiceCOier Fax (919)733 =9571 116 West ones Sheet
Raleigh, NC 27609 -1301 state Courier # 51 -01 -00 Cara;ini
e- moil' slate, clearinglroirse {u�va. nc. gor
An Equal Opportteriity/.4ifirrnetive ActiorrEmployer

NORTH ChROLIKA STATE CLFAR-INGHOUSE
DEPARTD&ENT OF AD141NISTPATION
'INTERGOVERNMENTAL RWIMI
COUNTY:' FORSYTH 4461;;VIATER SUPPLY SYSTEMS. STATE NUM=R: 11-E-4300-0039
DAft FLECZIVtl)': O3 /0,'3/2010
AGENCY RESPONSE: 0,9/08/2010
REVIRW CLOSED: 09/13/2010
MS MELBA MCGEZ
CLEARINGHOUSE COORDINATOR
DENR LEGISLATIVE AFFAIRS
ARCHDALE BLDG - MSC #_1,601
RALEIGH NC
REVIEW.DISTRIIMION
CC&PS - DIV OF EMERGENCY MANAGtM--NT
DENR LEGISLATIVE AFFAIRS
'DEPT OF CULTUPAL,,RESOURCES
DEPT OF TRANSPORTATION
NORTHWEST PIEDMONT COG
PROJECT INtOkMATION
APPLICANT: NCDENR, Public' t-Iater Supply Section
TYPE, State Environmental Policy Act
Environmental Assessment/ Finding of No Sjgnjf3caht,,'Irr.pac1t
DESC: Proposal to replace, and relocate two water tra.-ismission lines- from,ex_;st,_"nq R.A.
Thomas Water Treatment Plant adjacent to Winston-Sa le'
State Un varsity with a 30
inch water transmission line
The attached project; has been submitted to the N. C. State 'Clearinghous'' for
intergovernmental .review. Please review and submit your response , by 'the above
indicated date to 1303 Mail Service Cente'r, Raleigh, 14C 27,699-1301.
If additional review td,rne is needed, please contact this office at �2,5.
_9'1 9) 8,P, 2 4
AS A RESULT OF TPIS,,REVAW, THE FOLLOWING IS; SUBMITTED: COMMENTS ATTACHED
��NO COMMENT F
SIGNED BY: 11,141A DATE,:

NORTH CAROLINA STATE CLEARINGHOUSE"
DEPARTMENT OF'ADMINISTRATION
INTERGOVERNMENTAL REVIEW
COUNTY: FORSYTH, H01. WATER SdPPLY SYSTEMS :STATE NUMBER: ll-t-43`06-00'39
DATE RECEIVED: 08/03/2010
AGENCY RESPONSE: 09/08/`2010
REVIEW'CL6SED: 09/13/2p10
MS RENEE GLEDHILL-EARLEY — ebe I J, .,
l
CLEARINGHOUSE COORDINATOR A, @ W7
-S �J
DEPT 0-7 CULTURAL RESO,URCE
STATE HISTORIC, PRESERVAI'ION-, OFF-ift AUG, 2010
ti
MSC 4617 - ARCHIVES
4 P W
21,
RALE-1-GE NC Oft -P,
bOA'
REVIEW DISTRIBUTION
HISTOK PRESEPATIOt-i On,
CC&PS - DIV OF EMERGENCY MANAGEMENT NT
DENR LEGISLATIVE,AFFAIRS
DEPT OF CULTURAL RESOURCES
DEPT 017 TRANSPbRTATION
T I OLA-SL-1
NORTHIVIEST PIEDMONT COG
PROJECT INFORMATION C-Z-S.
APPLICANT,: NQDENR, Water, Supply S�ction
TYPE: State Environmental Policy Act
Environmental As:3e5si-..ent/,Finding of No Significant Impact
DESC. Proposal to replace and reloca-rc two, water transmissi-on, lines from existing R.A.
Thomas ,Water Treatment Plant adjacent to WinstoD-Salem'Staze University with a 30
inch water transmission line
The attached project 'has been submitted to the N. C. State Clearinghouse for
intergovernmental review. Please review and, submit your r- ;sponse by the above
i6d-I'C&Led date to 1301 Mail Service Center, Raleigh NC 27699-113.011.
If additional review" time is needed,, please contact this "office at (-919)8'07 -2425
AS A RESULT OF THIS REVIEW TYE: FOLLOWING I& SUBMITTED: NO COMMENT F-] COMMENT'S ATTACHED
SIGNED BY: Ya kd t; a-� DATE:
0

4Re ,a°
United States Department of the Interior
Mr. Phil May
Carolina Ecosystems, Inc.
3040 NC 42 West
Clayton, North Carolina 27520
Dear Mr. May:
FISH AND WILDLIFE E SERVICE
Asheville Field Office
160 Zillicoa Street
Asheville, North Carolina 28801
July 7, 2015
Subject: Modifications to the Alignment of a Proposed 30 -inch Water Main Replacement, City of
Winston - Salem, Forsyth County, North Carolina
We received a letter (dated June 3, 2015 and received on June 15, 2015) from Mr. David Wainwright
transmitting your report of June 2, 2015, concerning the subject project. Mr. Wainwright asked that
our comments be sent directly to you. We previously commented on this project in letters to you
dated November 30, 2009 and June 20, 2012. The following comments are provided in accordance
with the provisions of the National Environmental Policy Act (42 U.S.C.§ 4321 et seq.) (NEPA); the
Fish and Wildlife Coordination Act, as amended (16 U.S.C. 661- 667e); and section 7 of the
Endangered Species Act of 1973, as amended (16 U.S.C. 1531 -1543) (Act).
The City of Winston -Salem (City) is planning on replacing and relocating two water transmission
lines (20 -inch and 24 -inch) with a new 30 -inch transmission line. This project was previously
documented in an Environmental Assessment (EA) in 2010, which received a Finding of No
Significant Impact (FONSI) from the NC Public Water Supply Section on July 29, 2010 and
completed State Clearinghouse Review on September 14, 2010 (SCH File # 11 -E- 4300 - 0039). A
minor alignment change in 2012 to avoid an area of potential contamination was reviewed and
considered consistent with the FONSI.
The water main alignment has been shifted to cross the railroad within the existing culvert barrel.
This alternative was included in the 2010 EA and FONSI, but it specifically mentioned placing the
water main in the eastern barrel if boring under the railroad was not practical.
The City is in the process of designing a proposed greenway but the time frame for that project has
not been determined. Plans include crossing the railroad through the western barrel of the culvert
and realigning Brushy Fork to flow through the eastern barrel. In order to co- locate infrastructure as
much as possible, the proposed water main is designed in the western barrel and would be
constructed below the greenway elevation and protected. In the event the greenway is not
constructed, the water main will continue to function and be protected. The eastern barrel currently
contains two water mains, which will be taken out of service as part of this project. A sill would be

placed at the upstream end of the western barrel to direct base flow in to the eastern barrel, and the
banks in that area stabilized. The eastern barrel would be excavated to remove sediment and the two
existing water mains, and banks would be stabilized in that area as well. A Clean Water Act
4041401 permit application would be-submitted detailing this design.
The alignment changes would result in the following changes to the 2010/12 EA findings:
® Addition of one stream crossing on Brushy Fork and associated temporary impacts.
® Reduction in wetland impacts by realigning the new stream crossing.
® Avoidance of potential disturbance to the contaminated area.
Overall changes to the 2010/2012 EA findings are as follows:
Temporary disturbance to Brushy Fork for the stream bank stabilization at the upstream and
downstream ends of the culvert.
Avoidance of potential disturbance to the contaminated area.
No other material changes to the evaluation in the 2010 EA and FNSI, or 2012 re- evaluation, are
anticipated as other environmental effects have not been increased by the alignment changes.
We do not anticipate any additional significant environmental impacts from the proposed
realignment beyond those addressed in our previous letter. Based on the information provided, we
also concur with you assessment that the proposed project is not likely to adversely affect the
federally threatened northern long -eared bat, which has been added to the threatened and endangered
species list since the project was last reviewed. Therefore, we believe the requirements under
section 7 of the Act are fulfilled. However, obligations under section 7 of the Act must be
reconsidered if. (1) new information reveals impacts of this identified action that may affect listed
species or critical habitat in a manner not previously considered, (2) this action is subsequently
modified in a manner that was not considered in this review, or (3) a new species is listed or critical
habitat is determined that may be affected by the identified action.
Thank you for allowing us to comment on this project. Please contact Mr. Allen Ratzlaff of our staff
at 828/258 -3939, Ext. 229, if you have any questions. In any future correspondence concerning this
project, please reference our Log Number 4 -2 -10 -016.
cc:
Ms. Shari L. Bryant, Eastern Piedmont Region Permit Reviewer,
Commission, P.O. Box 129, Sedalia, NC 27342 -0129
Mr. David Wainwright, Division of Water Resources, 1617 Mail
1617
2
North Carolina Wildlife Resources
Service Center, Raleigh, NC 27699-

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30' WATER MAIN - STA 11 +00 TO STA 20 +00 5 �E AS UcB6E:F -0245
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EX SAN
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5M FE [Y NCWM CAR0[/NA /NV M / 7A P370 PO JJJI : O p' I� °•:
PIN/ 68J5- RJ -19P6 INv (J6 J 753.66 / /�/ / / / / I / / �� / 670 '-
`■ 1. THE EXISTING 20. 111 24' WATER MAINS INSIDE EXISTING %Od' 6034 [07 1010 /Nv OU7 733.11 / / P
vn0)ecT naeA CULVERT SHALL BE REMOVED.
2. TE T11D ((2) EXISTING VALVE VAULTS AT THE INLET OF THE STA DI RJ 54 mpea. / / -\ L •'q N
nm o■A Tsuen EAST ACT OF THE CULVERT SHALL BE REMOVED. THE JO' a RJ /' / 270 LF n IoNth /
S s 43' HORIL BEND / 60p��
' '` CONTRACTOR SHALL BADKFlLL THE HOLES AND INSTALL STA 21 +20 6.670 SF 0 153 AC
CLASS 2 RIP -RAP AS SHOWN. ) n area C4}9
sw�'Q 30' DI RJ W/ VALVE BOX E10PS77182 / l l l @ P -� ` 795
]. EX. WATER UNES ON SOUTH SIDE OF RAILROAD TRACKS ARE -_ RX �u' � y O h O i AB 0 790 °�1 STA 25+91
( THOSMS ■011 NOT IN SERVICE. IF ANY OF THESE UNES ARE M CONFLICT WITH 4S' Hofft INV M (b) 31 / Qf/PO vy q0 °+ O O M \ I!� 30' a RJ
{i e* TIIIATMM RIM PROPo= WATER MAIN, EXISTING SECTIONS NAY BE CUT AND STA 21 1O -800�v �� / ���7 0 ^ ^ 0 0r� / / �[0w ORucnAW 0 �I 40• HOPJL BEND
REMOVED, AND THE ENDS OF THE REMAINING PIPE SHALL E ` AIR RELENNE
v7ciN1TY YAP 7 r // /J' 1 ! /Z9 /F • fX SAN 7E
I ` CAPPED OFF. VALV£N X95 1 / F ovr7 7 STA 29 +e2 I v
Not to ac01e ..LLYY�-ee "�Y� -77 II I
° V {oY p ) 790' _ 5 6_ FUNNEL 756.82 1Z1 RAJ 8'
EX. SAN�1 7- �, TFE7t5 - -` 78
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R 1.
ZO_or 16f .1[ 5 AY
Ei.EV. BI9.7# \ .171 rj
NO CONTRACTOR SHALL COMPLY WITH ALL APPLICABLE EDUIREMENTS OF APPR LOCATIDN BOTTOM RAIL 1 LF n bn9NI F �1STA ZO +OO a ErIsAN YN P . �6 .s0 s / t�s
NORFOLK , ❑1 i
_ I _ _ 950 SF X72 AC) fn eras ET ,i 76869 11 6'wO7�
THE *SPECIFICATIONS FOR PIPELINE OCCUPANCY OF NORFOLK SOUTHERN 820 EX ..OPT A l C (elrean.( .,n Snl 3) 820 yA'v �. / ■- _ ! 4 471 , W
CORPORATION PROPERTY (.SCE -8), LATEST EDITON. CONTRACTOR SHALL - _ .�z - d'
ALSO COMPLY KITH ANY SPECIAL CONDITIONS ETON -SD IN THE I ,1.. \ (i/ --7 -(X 7p• ■ _ -�.w YA/ \ _ 4 ♦�
ENCROACHMENT AGREEMENT BETWEEN THE WIO TON- SALORPORATION -' ■ _
COUNTY UTILITY COMMISSION AND NORFOLK SOUTHERN CORPORATION. Xr' � _ ♦ ♦ • ' Q -
2. THE WATER MAIN SHALL E INSTALLED AND MAINTAINED IN ACCORDANCE - -1- (. - �; I / I..l II \ Z I,
I ' it ' lS PAR RA r F SANG / J
T NSTALL CLASS 2 RIP AND CM CA ME"55 5[
WITH LATEST APPROVED 'AMERICAN RAILWAY ENGINEERING AND - 1 QEO- TEXTILE FILTER FABRIC A ' IP sA�4 °W N - \ � • F.
MAINTENANCE -OF -WAY ASSOCATION'S $PECFICATONS FOR PIPELINES + !.1 - UN LAYMQIT. WMMIIIA PUCE1E11T � '1`Y �` ) CLWA� yjy DC VAUL X 20 -•�' / �r■(
TH OF RIP- RAP�3D'. TOP OF / 1�/ . -J�J
CONVEYING FLAMMABLE AND NCI- FLAMMABLE SUBSTANCES*. I I! I e• -♦ ■-'( E( IP N�Pl�IL�� I w O� .% SAN YN O
I RIP SHALL aE 9' BELOW y ■ 77R s (SEE
Aso M (� l 77 [��JJJCC
J. BLASTING IS NOT PERM1711:0 WITHIN THE NORFOLK SOUTHERN R/W. I 1 EX BOTTOM OF CHANNEL • ■', NN' IIOIE Y /
/ ♦� .%� 1 I , 'ry0 ,)S 1 6 NV. 77(to W iL
/ 1 MV. M (JO ) 75914
4, THE CONTRACTOR SHALL CONTACT T(1 NORFOLK SOUTHERN DIVISION ! 1 ,wo P d h p '^ -
/ ♦. AMROX. vy O O ♦+ r� ^ MV. M (J31 75756 �•
ENGINEER A MINIMUM OF FOURTEEN (14) WORKING DAYS PRIOR TO THE + 1 TI I / •I LOCH RON / b 0 0 STA MV 0Ur 75741 m
DESIRED START OF CONSTRUCTION WITHIN THE NORFOLK SOUTHERN 1 ( 1 9 ayp5
Y &`' 4 EX ARANOLNE 1 W
/- L�Q4• a w W PoCHT -O -WAY, SEE ENCROACHAE7NT AgREDAENi FOR CONTACT g10 1 g1p ' WATER [MES / - 1 �• INFORMATION. i N -S RR MILEPOST K -24 �M/ � 0.1, r� J(Y OV a BOX 5. TIE CONTRACTOR SHALL NARK 111E NEW WATER MAN AT ME RAILROAD J E/ /HDE�RLA" " R� _� ■ V _ iE32
R/W LINE ON EACH SIDE OF THE TRACKS WITH
WE PIPELINE I - - I - 1 , ///777 I ♦ r ,6EFE yy 1
MARKER SIGNS LOCATED OVER THE CENTER OF THE PIPE. THE SICNS 1 , RIP-RAP StALL BE C IL:
DL BOTTOM OF CHANNEL. pN 0E IwN51Gw -SA[EY \ / 5
SHALL INCLUDE THE FOLLOWING INFORMATI ON: . + 1 7/ f± / / I 7 PlN / 6813- O1 -A409
NAME AND ADDRESS OF THE WATER LINE OWNER I / 50VrHERN RAILOA0 M Oe .iGM PG IJ `4.1 Z
- CONTENTS OF PIPE I / PIN /6613 -04 -1143
NORMAL OPERATING PRESSURE OF PIPE - -= �- ty93� ! ; , OR 193 Ac J5J SEE SHEET 5 FOR 1�1 W
- PIPE DEPTH A7 POINT aF SIGN - j _y i. �1 I rAx6LLOOl JJ22641eOr21 I ! PLAN do PROFILE
- EMERGENCY TELEPHONE NUMBER IN EVENT OF PIPE RUPTURE -} --• - -. / Il ../ / a y I 1
J?�i� �1 • /
STREE I • E \ $ ,° a a i o sfi
ALONG EASEMENT FOR EiESr761.06 y
E00 EXISTING 24• WATER MAN
ACCESS TO LO%UY T
1 °
j °
I', I NOTE: LINE SLOPES WITH SCALE: 1 = 40' HORIZ
! I 1
-SEE TYPICAL SECTION BELOW FOR EXCOSIOR MATTIHG & o N
1' >= 4' VERT
NOTE: EX. 20' AND 24' D.I. _ PROPOSED- ACCES"AU"RAQING. " IS Y AFTER
WATER MAYS SHALL K - �� - - TF�7CTION PORARY ACCESS AND m
I _ I _ JC _ - - F T
REMOVED FCTH Fla EASTERN q BARRB. rY THE OILVEMAGIIFIN
al
ENTW*E ' At- X800' _
_795 �
I`I I 13Z 2' I 1 151.2' CHAIN- IJNNPK a
BACKS
EX
790 ! 1 11 I 790 (Tp BE REMOVfO)
I I 11 1 / I FUTURE
- TEMP. COFFER DAM TYRE SIREII CROSSING, �E l
SEE DETAIL SHEET 7. AFTER N.IAILATION OF - II ' I ",I, t / O P WAY�s'si
WATER MAIN. INSTALL CLASS 2 RIP-RAP W/ I I� 1 - - H
FILTER FABRIC UNDERLAYMENT. MY. RP -RAP + 2 +1
PLACEMENT DEPTH-30•. TOP C- RIP -NAP T I R I 1 - -
SHALL BE 9' BELOW EX BOTTE/ O CHANNEL `I II 'S 1 ALL NW
T • RA LYE PROP
^ � PA
FROM REYNOLDS PARK R0. GRADING FOR PROPOSED ACCESS PATH
STA 21 +10 II .9 StA T' -40'
AIR RELEASE
VAALVEN MIN w
1 1 d - Z C/)
R ul
___ �eB
Teo W+ I 1 � ~ w �
- ' -_ I _ >r 1 -GRAD. OVEFINISHED PROPOSED c_F H NCE OF CONSTRUCTION FOR INST II.ING L (� 12' J u W +
GRAS OVER WATER MAIN THROUCJH EXISTING DWBL ARCH CULVERT: 7,� F- W > 10
WATER MAIN
>
/PROP. FINIS!® L Z (V
n MADE OF FUWtE-- - - _ I. 1 , - 1 1. INSTALL TEMPORARY COFFER DAMS ON THE UPSTREAM AND
y i , I DOWNSTREAM ENDS O THE EASTERN CULVERT BARREL. 'Et PROP 7 } IY O
Gfl@IWAY PA7N. _ - \, I 7 I I. 1 �W OATH 4:1 0R 7,.';'! f EL W (-
/ \ 2. REMOVE SANO/SILT DEPOSITS FROM THE EASTERN CULVERT BARREL, SLOPE, 4 �A Z
71 THE I 1 1 +' _ -� THIS MATERIAL MAY BE USED AS BACKFILL WITHIN THE PROJECT LIMITS, 'I{' \ _ Q O
1 I I 1 / - -- _ OR HAULED TO AN OFF -SITE DISPOSAL AREA, E THE CONTRACTOR O �
O
! 1 DISPOSES OF THE SANO/SILT MATERIAL OUTSIDE THE PROJECT LIMITS, \ �+
m I . / Y , + / THE CONTRACTOR SHALL BE RESPONSIBLE FOR OBTAINING THE U W
I t _ 1 1 ( I NECESSARY PERMIT FROM THE NCDENR - DIVISION OF ENERGY. MINERAL, _ �,
- f L 1 AND LAND RESOURCES - LAND DUALITY SECTION.
I I aw. GF E1941NIC ,, / STA N8 +18
{� I i NmNC. N:IN.vEIEr } / 31Y a RJ I TYPICAL GRADED ACCESS CRASS SECTION
.i 770 I ' \ - � I / l 8' INERT. '. 770 J. REMOVE THE EXISTING INACTIVE 20' ARID 24' C.I. WATER LINES AND
f STA 7D+24 \ \ \ 1 PROP. FTTN811ED 1 1 1 � U CONTRACTOR SHAALLLOUTAKEE OWNER�SHIPOUOFTHESE MAATTE.RIALS AND 1/8 1 -0 � � 0 N
30' DI RJ GRADE OF FTITINB - 1 + /^ A / / DISPOSE OF THEN PROPERLY. � Z Z I
45' HORIZ BEND \ GREENWAY PATH I 1
PROP, FUTURE 1 � 1 � / I[ 11 0 Q
e STA 2D+34 �� BOIL CULVERT 1 I . 1 + / / 4 DOWNSTREAM THE OF THE EASTERN CULVERT BARREL 0 FORM AN NEW � w t DESIGN.NPPROI'EI) I ` N EL Z
R 3O' DI RJ STA 21 +20 (BY OTHERS) 1 STA tir50 M 1 I �If`f IRO%. LOO. FLOW CHANNEL THROUGH THE EASTERN CULVERT BARREL DISPOSE OF C!) I•- Q
-- So" GATE VALVE ! ° I - - 1' robe Drt'ru ryw. 3
1 45' HOPoZ BEND W/ VALVE BO% \ 11 5' ',E�.
BEND a p Reb �- EX. 18' RCP ��� NE NEWLY IEX��FI STEREFABCHANND� ASS EMBANKMENTS RAP WITH
E THE Amy > e 11 �n �r a. wr w J Ln
7ASWEI 30' A RJ WATER MAN! 45' NOR12. BEIg1.
K ; INSTAlID ON PIERS ``+ J l Z W
1
INSIDE ETC CULVERT 1 7 II STA 28 +32 S. ONCE THE EASTERN CULVERT BARREL IS CLEAR AND THE NEW ve.... �mN.m a Res vw a+n a Q Q Q
f SEE DETAILS, SHIT. 8 1 tY MIN. CLR 30' GATE VALVE CHANNELS ARE COMPLETED. REMOVE THE TEMPORARY COFFER DAMS
��V W/ VALVE BOX FROM THE UPSTREAM AND DOWNSTREAM ENDS OF THE EASTERN wnM rn of iK s..o sy..+, wlkr or rk 1 Q
a L _ - 30'x30' DI RJ TEE CULVERT BARREL TO ALLOW THE STREAM TO FLOW THROUGH THE Hwscswuy�e [•a.m�.e. To .H r.... ■n, Z = 3
EASTERN CULVERT BARREL. °•"'e1° oi°' lu' "1tl1 °i
J aM•vr.N b <omH.v Ux PNar• wtli .e .pxAlrll O
760 _ _ % X. 39' 7g0
[a5 --L-- _ mwl n w pNUrJ .w w m,..m b F-
$ STA 20+11 STA 21 +85 i - - -- - -- 1 V � r - B. AFTER THE EASTERN CULVERT BARREL IS HE OPENED
UPS 70 STREWN ROW, to
30' d RJ -JI --- 20' I� , S�MER IJfE INSTALL A TEMPORARY COFFER DAM ON ME UPSTREAM AND f- Q
30' d kJ 17.25' VERT. BEND fl II i DowNSTREAM ENDS OF THE WESTERN CULVERT BARREL REMOVE ANY Z
46' VOLT. BOND fl III (' II Q EEV. 7U"-4* I I DEBRIS FROM THE NESTERN CULVERT BARREL AND PREPARE THE FLOOR Q w
Ex. 36' V.C. I^I iN Z MN 1 STA 28+91 STA 7D +01 FOR INSTALLATION OF 1HE PROPOSED CONCRETE PIPE SUPPORTS AND nx .ww A •..vs .... e�
11' SEWER LINE ��' ' 30' d RJ 3C DI RJ THE PROPOSED CONCRETE SILL WALL AT THE UPSTREAM END OF THE .er >w..wa� ArF�w or Z
I 48' HOBZ BEND WESTERN CULVERT BARREL
225' VERT. •,a
E f ' I EX. 36' V C. I PRO'. CONCRETE BEND 7. CONSTRUCT THE PROPOSED CONCRETE SILL WALL AND THE PROPOSED
SEWER LINE SUPPORT PIERS. r<
FLOOR O' EXISTING SEE PETALS. SHT. 8 STA 25+28 CONCRETE PIPE SUPPORTS AND INSTALL THE PROPOSED 30' WATER SHEET NO
STA 22 +09 CONCRETE CULVERT 30' O RJ MAN ON THE PIPE SUPPORTS AS SHOWN ON SHEET B. CTTY OF WNSTON -S.1I FM
3O' D RJ (IT' THICK PER RECORD'+) 43' HOPoZ END BY:
E
1--STA 20+01 11.25' VERT. BEND STA 22 +33 8. ONCE THE NEW SECTION OF WATER MAIN IS INSTALLED AND TESTED
30' DI RJ 30- DI RJ INSIDE THE CULVERT, REMOVE THE TEMPORARY COFFER DAMS AT EACH
48' VERT. BEND 11.25' VENT. BEND END OF THE WESTERN CULVERT BARREL.
780 30' DI RJ PIPE 750
20 +00 21 +00 22 +00 23 +00 24 +00 25 +00 26 +00 CONTRACT B DF!I
'.'12015 P-0 A A-10M1 Inc

Winston -Salem • Forsyth County
C* coun Ut*111'* *1
fty/ ty t
Water • Sewer • Solid Waste Disposal
WINSTON -SALEM / FORSYTH COUNTY UTILITIES
WATER TRANSMISSION SYSTEM IMPROVEMENTS
NEAR THOMAS WATER TREATMENT PLANT
AND WINSTON -SALEM STATE UNIVERSITY
CONTRACT B
DMP PROJECT 080037
SEPTEMBER 2015
DAVIS - MARTIN • POWELL �� cA
0
ENGINEERS & SURVEYORS SEAL (n
26457
CMP
0924=15
M
6415 OLD PLANK RD, HIGH POINT, NC 27265
T: (336) 886 -4821 1 F: (336) 886 -4458 1 WWW.DMP- INC.COM I LICENSE: F -0245 P; ;, cO m
L�.
W
(n
(CITY OF WINSTON -SALEM
PROJECT # 70876 o

INKY OF WEFTS:
SHEET 1: VICINITY MAP. SHEET INDEX, NOTES, k LEGEND
SHEET 2: 30' WATER LINE, STA. 0+00 - 11 +00
SHEET 3: 30' WATER LINE, STA. 11 +00 - 20+00
SHEET 4: 30' WATER LINE, STA. 20 +00 - 26 +75
SHEET 5: 30' WATER LINE. STA. 26 +75 - 31 +50
24' WATER LINE. STA. 10 +DO - 12 +14
SHEET 6: PIPE SUPPORT AND SILL WALL DETAILS
SHEET 7: STREAMBANK GRADING & STABILIZATION PLAN
SHEET 8: STREAMBANK STABILIZATION DETAILS
SHEET 9: EROSION CONTROL DETAILS
SHEET 10: RECORD DRAWING FOR EXISTING BRUSHY FOR
SANITARY SEWER WTFALL (FOR REFERENCE ONLY)
SHEETS 11 - 13: RECORD DRAWINGS FOR EXISTING DOUBLE ARCH
CULVERT UNDER RR TRACK (FOR REFERENCE ONLY)
I
\ V
STING 24
- PROPOSED WATER MAIN
WA \M/JN
"�.
+
/
STING 12'
�}4
WA MAIN
STALL 1 P. A
C
W~
i
PROP. 30' WAMTER
— GAS
GAS
1�
c)
OS7M 30'
A l
!WATER MAIN I'
Ir. reo uAW
I\
EX. ASPH.
GREElNWAY
~-j Y
555 ' Ri
I
-NN,
Imo.
O
V
WINSTON -SALEM
STATE UNIVERSITY
FUTURE GREENWAY
PATH (BY OTHERS)
■
ASPHALT PARKING LOT
110-ii
I �1 PROP. JO•' WATER \
\ \X E3�f
SHEET 2
g SHEET INDEX MAP
Y �1.qw 27
SCALE: 1' - 100'
GENERAL ONSTR TION NOTES:
1. ALL EXISTING UNDERGROUND UTILITY LOCATIONS WERE TAKEN FROM 5. ALL CONSTRUCTION SHALL CONFORM TO THE LATEST EDITION OF THE
AVAILABLE RECORDS AND ARE APPROXIMATE ONLY. CONTRACTOR SHALL "CITY OF WINSTON -SALEM TECHNICAL SPECIFICATIONS AND DETAIL
VERIFY THE LOCATION OF ALL EXISTING UTILITIES BEFORE BEGINNING DRAWINGS FOR WATER UNE AND SANITARY SEWER LINE CONSTRUCTION ".
CONSTRUCTION. ANY UTILITIES DAMAGED DURING CONSTRUCTION SMALL
BE REPAIRED IMMEDIATELY WITH NO ADDITIONAL COST TO THE OWNER. 6. UNLESS OTHERWISE NOTED, PAVEMENT CUTS SHALL BE REPAIRED IN
PRIOR TO EXCAVATION. CONTRACTOR SHALL NOTIFY THE N.C. ONE-CALL ACCORDANCE WITH THE DETAIL FOR 'ASPHALT PAVEMENT REPAIR FOR
�((( CENTER BY DIALING EITHER BIT OR 1- 800 -632 -4949. CONTRACTOR NON -STATE MAINTAINED ROADS- AS ILLUSTRATED IN THE 'CITY OF
SHALL NOTIFY THE ENGINEER IMMEDIATELY IN THE EVENT OF WINSTON -SALEM TECHNICAL SPECIFICATIONS AND DETAIL DRAWINGS FOR
ENCOUNTERING ANY UNDERGROUND OBSTACLE REQUIRING A DEVIATION
FROM THE PLANS. WATER LINE AND SANITARY SEWER LINE CONSTRUCTION -.
2. CONTRACTOR SHALL MAINTAIN TWO WAY TRAFFIC ON PUBLIC STREETS 7. DUCTILE IRON RESTRAINED JOINT PIPE AND FITTINGS SHALL BE A
AT ALL TIMES WRING CONSTRUCTION. ALL WORK WITHIN CITY OF FACTORY RESTRAINED JOINT SYSTEM AS DESCRIBED IN THE 'CITY OF
WINSTON -SALEM STREET RIGHT -OF -WAYS SHALL BE PERFORMED IN WINSTON -SALEM TECHNICAL SPECIFICATIONS AND DETAIL DRAWINGS FOR
ACCORDANCE WITH CITY OF W -S STANDARDS. WATER LINE AND SANITARY SEWER LINE CONSTRUCTION -.
f 3. CONTRACTOR TO RESET ALL DISTURBED SIGNS. FENCES, ETC. B. UNLESS OTHERWISE NOTED, THE LIMITS OF DISTURBANCE SHALL BE THE
Y9S CONTRACTOR SHALL SEED ANY DISTURBED AREAS IN ACCORDANCE TEMPORARY CONSTRUCTION EASEMENT LINE. IF A TEMPORARY
WITH THE SPECIFICATIONS CONSTRUCTION EASEMENT LINE IS NOT SHOWN, THE PERMANENT
EASEMENT LINE SHALL BE THE LIMITS OF DISTURBANCE. IF NEITHER A
4. DURING PIPELINE INSTALLATION. EXCAVATED MATERIALS PLACED ON THE TEMPORARY CONSTRUCTION EASEMENT LINE NOR A PERMANENT
ADJACENT ROAD OR PARKING LOT SHALL BE PLACED UPON A LAYER OF EASEMENT LINE ARE SHOWN, THE LIMITS OF DISTURBANCE SHALL BE
STONE SCREENINGS. AT THE END OF EACH DAY. ALL MATERIALS SHALL 20 FEET ON EACH SIDE OF THE PROPOSED WATER MAN.
BE REMOVED AND THE ROADWAY SHALL BE THOROUGHLY CLEANED OF
ALL SOIL RESIDUE. COST FOR STONE SCREENINGS AND ROADWAY
CLEANING SHALL BE INCIDENTAL TO THE CONTRACT.
.;22015 DaW -Ma1M Pow ! AtlEecictM Mc
(il
I
tt: ALL ILOP,
r s� TT
DOUBLE p
ARCH
CULVERT i.
t z
+ � x
Aw
rx— — — —
- PROPOSED WATER MAIN
3 %
+
/
x
l
x
BULKMATIC
}
k
4
C
W~
i
PROP. 30' WAMTER
— GAS
GAS
ON
TRANSMISSION MAIN
c)
INSIDE E)L. CULVERT
A l
r s� TT
DOUBLE p
ARCH
CULVERT i.
t z
+ � x
Aw
TEMPORARY SILT FENCE
- PROPOSED WATER MAIN
—�
+
/
x
l
x
BULKMATIC
I
FACILITY
x
- TEMP. CONSTRUCTION EASEMENT LINE
— GAS
GAS
VOTES REGARDING INSTALLATION OF PROPOSE
MTHIN EXISTING WATER AND /QR SANITARY SI
I. THE CONTRACTOR SHALL EXERCISE CAUTION WHEN
WORKING INSIDE EXISTING WATER AND /OR
SANITARY SEWER EASEMENTS. THE CONTRACTOR
SHALL BE RESPONSIBLE FOR REPAIRING ANY
DAMAGE TO WATER AND /OR SEWER MAINS
RESULTING FROM WORK INSIDE ANY PORTION OF
EXISTING WATER AND /OR SANITARY SEWER
EASEMENTS.
2. ACCEPTABLE WORKING CONDITIONS OF SANITARY
SEWER STRUCTURES AND PIPING SHALL BE
VERIFIED BY THE CONTRACTOR. WHERE THE
PROPOSED WATER MAIN CROSSES EXISTING
SANITARY SEWER LINES, PRIOR TO ANY WORK
BEING DONE WITHIN THE SANITARY SEWER
EASEMENT.
3. ALL CONDITIONS FOUND TO BE UNACCEPTABLE
SHALL BE REPORTED TO WANSTON -SALEM
CITY -UNK AT (336) 727 -8000, PRIOR TO ANY
WORK BEING DONE WITHIN THE SANITARY SEWER
EASEMENT.
8 .1
- x- X- x -x -X -x
WATER MAIN
ER EASEMENTS:
4. THE CONTRACTOR SHALL BE RESPONSIBLE FOR
CLEANUP AND REPAIR OF UNACCEPTABLE
CONDITIONS THAT RESULT FROM FAILURE TO
REPORT SUCH CONDITIONS PRIOR TO COMMENCING
WORK OR THAT RESULT FROM WORK BEING
PERFORMED.
5. EXTRA CARE SHOULD BE TAKEN WHEN WORKING
WITHIN SANITARY SEWER EASEMENTS TO PREVENT
DAMAGE FROM EXCAVATION, INSTALLATION.
COMPACTION, OR HEAVY EOUIPMENT.
6. AT THE DISCRETION OF THE INSPECTOR, THE
CONTRACTOR MAY BE REQUIRED TO PROVIDE VIDEO
INSPECTIONS OF EXISTING SANITARY SEWER ONES
AS EVIDENCE THAT NO DAMAGE HAS OCCURRED
AS A RESULT OF THE WORK HAVING BEEN
PERFORMED.
- I
'�� ~VAR •- ,\�u..• „�J/
_ mo.<cT u 1
E..• "" si ry1�N ..,.
PSIT, 1T
�� TXOMA9
I.
W
{ T4ITMEHT KM.T
i4
VZCLVFrY MAP
Not to xcols
ABBREVIATIONS & SYMBOL LEGEND
TEMPORARY SILT FENCE
- PROPOSED WATER MAIN
—�
- EXISTING STREET RIGHT -OF -WAY
— —
- EXISTING PROPERTY LINE
—
- WATER MAIN PERM. EASEMENT LINE
— TCE —
- TEMP. CONSTRUCTION EASEMENT LINE
— GAS
GAS
- UNDERGROUND CAS LINE
=W —W—
- WATER LINE
—T —T —
- UNDERGROUND TELEPHONE LINE
FD
- UNDERGROUND FIBER OPTIC LINE
—P —P —
- UNDERGROUND POWER LINE
— OH —
- OVERHEAD UTILITY LINE
—S _S_
- SANITARY SEWER LINE
_
- STORM SEWER LINE
—X —X —
- FENCE LINE
- STREAM OR DITCH
"
- - WOODS LINE
- PROPOSED WATER VALVE
•
- PROPOSED AIR RELEASE VALVE IN MH
- TELEPHONE PEDESTAL
O
- SANITARY SEWER MANHOLE
M GV
- GAS VALVE
0
- WATER VALVE
O WM
- WATER METER
- FIRE HYDRANT
O
- UTILITY POLE
Q
- LIGHT POLE
®
- UTILITY HANDHOLE
Q
- NCGS CONTROL MONUMENT
El
- EXISTING CONCRETE MONUMENT
- EXISTING SICN
- EXISTING STORM STRUCTURE (CB /DI)
P
- EXISTING MAILBOX
©
- EXISTING CLEANOUT
EIP
- EXISTING IRON PIN
EIR
- EXISTING IRON ROD/REBAR
TELE PED
- TELEPHONE PEDESTAL
TBM
- TEMPORARY BENCHMARK
ECM
- EXISTING CONCRETE MONUMENT
RWM
- NCDOT RIGHT -OF -WAY MONUMENT
C/A
- NCDOT CONTROLLED ACCESS
IN STALL
T TR.
EROSION CONTROL LEGEND \�
I
Know whal's below.
Call before you dig.
Dial &1 -1
NOT PLANIMETRICS SHOWN ON
THIS SHEET WERE TAKEN FROM CITY
OF WINSTON -SALEM GS MAPPING.
PREPARED PRIOR TO 2008.
CONTRACT B
LL
No
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x
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NOTES RECARDING WORK INSIDE NORF(I K S(TIITHFRN R/W:
I. CONTRACTOR SHALL COMPLY WITH ALL APPLICABLE REOUIREMENTS OF
THE - SPECIFICATIONS FOR PIPELINE OCCUPANCY OF NORFOLK SOUTHERN
CORPORATION PROPERTY' (NSCE -6), LATEST EDITION. CONTRACTOR SHALL
ALSO COMPLY WITH ANY SPECIAL CONDITIONS OUTLINED IN THE
ENCROACHMENT AGREEMENT BETWEEN THE NNSTON- SALEM/FORSYTH
COUNTY UTILITY COMMISSION AND NORFOLK SOUTHERN CORPORATION.
2. THE WATER MAIN SHALL BE NSTAUiD AND MAINTAINED N ACCORDANCE
WITH LATEST APPROVED 'AMERICAN RAILWAY ENGINEERING AND
MAINTENANCE -OF -WAY ASSOCIATION'S SPECIFICATIONS FOR PIPELINES
CONVEYING FLAMMABLE AND NON - FLAMMABLE SUBSTANCES'.
3. BLASTING IS NOT PERMITTED WITHIN THE NORFOLK SOUTHERN HE R/W.
4. THE CONTRACTOR SHALL CONTACT THE NORFOLK SOUTHERN DIVISION
ENGINEER A MINIMUM OF FOURTEEN (14) WORKING DAYS PRIOR TO THE
DESIRED START OF CONSTRUCTION WITHIN THE NORFOLK SOUTHERN
RIGHT -OF -WAY, SEE ENCROACHMENT AGREEMENT FOR CONTACT
INFORMATION.
5. THE CONTRACTOR SHALL MART( THE NEW WATER MAN AT THE RAILROAD
R/W LINE ON EACH SIDE OF THE TRACKS WITH WEATHERPROOF PIPEUNE
MARKER SIGNS LOCATED OVER THE CENTER OF THE PIPE. THE SIGNS
SHALL 04CLUDE THE FOLLOWING INFORMATION: - NAME MO ADDRESS OF THE WATER LINE OWNER
- CONTENTS OF PIPE
- NORMAL OPERATING PRESSURE OF PIPE
PIPE DEPTH AT PONT OF SON
EMERGENCY TELEPHONE NUMBER IN EVENT OF PIPE RUPTURE
790
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Z THE TWO (2) E0057104 VALVE VAULTS AT THE 04XT OF THE
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HOLES SHALL BE BACKFILLED WITH CLASS B RP-PAP.
I EX. WATER LINES ON SOUTH SIDE OF RAILROAD TRACKS ARE
NOT N SERVICE F ANY OF THESE LINES ARE N CONFLICT WITH
PROPOSED WATER MAIN. EIOSTNO SECTIONS MAY BE CUT AND
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IMMEDIATELY AFTER
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CONSTIRICTIOM EJIBEMENT
l
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GRADING FOR PROPOSED ACCESS PATH
1. -40.
Me= THRO L5E(� O LEEpNCcE T IG DpuaLF - ARCH CULVERT, TALLING WATER
1. INSTALL TEMPORARY COFFER DAMS ON THE UPSTREAM AND
DOWNSTREAM ENDS OF THE EASTERN CULVERT BARREL.
2. REMOVE SAND/SILT DEPOSITS FROM THE EASTERN CULVERT BARREL.
THIS MATERIAL MAY BE USED AS BACKFILL WITHIN THE PROJECT UNITS.
OR HAULED TO AN OFF -STE DISPOSAL AREA IF THE CONTRACTOR
DISPOSES OF THE SAND /SILT MATERIAL OUTSIDE THE PROJECT LENTS,
THE CONTRACTOR SHALL BE RESPONSIBLE FOR OBTAINING THE
NECESSARY PERMIT FROM THE NCDENR - DIVIS O N OF ENERGY, MNEF AL
AND LAND RESOURCES - LAND QUALITY SECTION.
3. REMOVE THE EXISTING INACTIVE 20' AND 24' C.1, WATER LINES AND
SUPPORT PIERS FROM THE EASTERN CULVERT BARREL.. THE CONTRACTOR
SHALL TAKE OWNERSHIP OF THESE MATERIALS AND DISPOSE OF THEM
PROPERLY.
4. EXCAVATE THE EXISTING SAND/SILT DEPOSITS AT THE UPSTREAM AND
DOWNSTREAM ENDS OF THE EASTERN CULVERT BARREL TO FORM A NEW
FLOW CHANNEL TROUGH THE EASTERN CULVERT BARREL DISPOSE OF
SANO/SLT OEPOSTS AS DESCRIBED N NOTE 2 ABOVE UNE THE
GRADED STREAM EMBANKMENTS NTH STACKED BOULDERS AND MATTING
AS SHOWN,
5. ONCE THE EASTERN CULVERT BARREL IS CLEAR AND GRADING /
STABILIZATION OF THE EASTERN STREAMBANKS ARE COMPLETED. REMOVE
THE TEMPORARY COFFER DAMS FROM THE UPSTREAM AND DOWNSTREAM
ENDS OF THE EASTERN CULVERT BARREL TO ALLOW THE STREAM TO
FLOW THROUGH THE EASTERN CULVERT BARREL
6. AFTER 111E EASTERN CULVERT BARREL IS OPENED TO STREAM FLOW,
INSTALL A TEMPORARY COFFER DAM ON THE UPSTREAM AND
DOWNSTREAM ENDS OF THE WESTERN CULVERT BARREL REMOVE ANY
DEBRIS FROM T14C WESTERN CULVERT BARREL AND PREPARE THE FLOOR
FOR INSTALLATION OF THE PROPOSED CONCRETE PIPE SUPPORTS AND
THE PROPOSED CONCRETE SLL WALL AT THE UPSTREAM END OF THE
WESTERN CULVERT BARR0.
7. GRADE THE WESTERN STREAM BANKS ON THE UPSTREAM AND
DOWNSTREAM ENDS OF THE CULVERT AND LINE THE STREAMBANKS NTH
STACKED BOULDERS AND MATTING AS SHOWN.
8 CONSTRUCT THE PROPOSED CONCRETE SILL WALL AND THE PROPOSED
CONCRETE PIPE SUPPORTS AND INSTALL THE PROPOSED 30' WATER
MAIN ON THE PIPE SUPPORTS AS SHOWN ON SHEET 6.
9. ONCE THE NEW SECTION OF WATER MAIN IS INSTALLED AND TESTED
INSIDE THE CULVERT, REMOVE THE MMPORARY COFFER DAMS AT EACH
END OF THE WESTERN CULVERT BARREL.
TYPICAL GRADED ACCESS CROSS SECTION
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w THICK X B' WIDE STEEL 30' RJ DIP
STRAP. STRAP SHALL Y FORMED
TO SUIT PIPE GEOMETRY AND
SHALL BE FULLY COORDINATED
W/ THE SELECTED PIPE. �� 2
71,' THICK STIFFENER
CENTERED. SHOP WELD
ALL AROUND BOTH
SIDES, TYP.
Q
NOTE,
PROVIDE 1/4' NEOPRENE PAD
BETWEEN PIPE d CONCRETE.
EX. CONCRETE 2' CLR
CULVERT WALL ° �T *I
I
1
2' C. BAR
TYR EACH F
9 2° -1. h.a
4- j5 DOWELS W/ STD. 90' HOOK AT
ONE END. EMBED 6' INTO
EXISTING CONCRETE SLAB USING
EPDXY AOMESIVE, (3) EACH FACE.
SECTION O
i OF PIER.
EX. CONCRETE
rCULVERT FLOOR
n
J. a�
4 2- OIR , /3 CLOSED i5 DOWELS W/ STD. 90 HOOK AT
TYP STIRRUPS ONE END. EMBED 6' INTO
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MATERIAL / EPDXY ADHESIVE, (3) EACH FACE.
E%. CONCRETE
CULVERT WALL I Y
.a tOP k BOTTOM -- i�-}�-
4' -2 1/2' {
• a�
SECTION
3 /4'=a1' -0' 6
1' CHAMFER.
TYPICAL
/3 CLOSED STIRRUPS
O 6.9E (MAX.) ,
(3) j5 CONT., TOPS
AND BOTTOM. a °
#5 DOWELS W/ STD. 90' HOOK AT
ONE END. EMBED 6' INTO
EXISTING CONCRETE SLAB USING
EPDXY ADHESIVE, (3) EACH FACE.
SECTION
3/4' -1' -0' 6
CONCRETE PIPE SUPPORT
3/4' -I' -0'
_ 20' -0. O.C. _
2 -0-
- 30' RJ DIP
- - -- -- ----- --- - {I -
EX. CONCRETE CULVERT FLOOR
CONCRETE PLOWABLE FILL (ALONG
PIPE SUPPORT ENTIRE LENGTH OF PIPE)
TYPICAL PIER SUPPORTED PIPE
(SPACING ASSUMES 20' LONG PIPE JOINTS)
06 HAIRPIN DOWELS O 6. OC.
EMBED LEADING END 6" INTO
EXISTING CONCRETE SLAB
USING EPDXY ADHESIVE.
6' CLR.
n
ENTRANCE EDGE OF
EXIST. CONC. CULVERT
CHAMFER. TYP.
031.
BARS CONT.,
FACE
F OSL.
06 DOWEL O 6' O.C. EMBED 6" INTO
EXISTING CONCRETE SLAB USING EPDXY
ADHESIVE. LAP 2' -0- NTH HAIRPINS.
Hill -L�TLI •�' a Em CONCRETE �' `49' PER RECORDS
! \ \\ n r
CULVERT FLOOR 'I
■�y
ROUGHEN EXISTING CONCRETE SURFACE
$S \�TO PROVIDE 1/4' SURFACE PROFILE.
2 - -3- REMOVE ALL LOOSE MATERIAL TO PROVIDE
t , - A LAITANCE -FREE SURFACE.
SECTION - PROPOSED CONCRETE SILL WALL
3/4. -1. -0.
-. -52015 DaAa MmW Powo ! Aa IotK Tae
BARS, EACH
E OF PIER.
Ail BOTTOM
PIPE CRADLE
E %. CONCRETE
CULVERT FLOOR
YP.
EX. CONC. CULVERT WALL
(THICKNESS UNKNOWN)
a
W
2'-1 1/2"
ENTIRE LENGTH OF PIPE)
I
(2) t'W HEADED ANCNCR
2RL' 2K'
BOLTS EACH ENO OF PIPE
PROP. 30" RJ DIP
CONCRETE SILL WALL
STRAP. EMBED I4' WITHIN
WATER MAIN
° (UPSTREAM END), SEE
CONCRETE PIER.
.
� DETAIL THIS SHEET. ..
,
,RECORDS
I
- 9'I PER
2' -1 1/2
PROPOSED CONCRETE
EX. CONCRETE
CULVERT WALL
EX. CONIC. CULVERT FLOOR
•�
7T7
1//2 EXPANSION
- MATERIAL
PLAN
3/4" -t' -0'
w THICK X B' WIDE STEEL 30' RJ DIP
STRAP. STRAP SHALL Y FORMED
TO SUIT PIPE GEOMETRY AND
SHALL BE FULLY COORDINATED
W/ THE SELECTED PIPE. �� 2
71,' THICK STIFFENER
CENTERED. SHOP WELD
ALL AROUND BOTH
SIDES, TYP.
Q
NOTE,
PROVIDE 1/4' NEOPRENE PAD
BETWEEN PIPE d CONCRETE.
EX. CONCRETE 2' CLR
CULVERT WALL ° �T *I
I
1
2' C. BAR
TYR EACH F
9 2° -1. h.a
4- j5 DOWELS W/ STD. 90' HOOK AT
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SECTION O
i OF PIER.
EX. CONCRETE
rCULVERT FLOOR
n
J. a�
4 2- OIR , /3 CLOSED i5 DOWELS W/ STD. 90 HOOK AT
TYP STIRRUPS ONE END. EMBED 6' INTO
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MATERIAL / EPDXY ADHESIVE, (3) EACH FACE.
E%. CONCRETE
CULVERT WALL I Y
.a tOP k BOTTOM -- i�-}�-
4' -2 1/2' {
• a�
SECTION
3 /4'=a1' -0' 6
1' CHAMFER.
TYPICAL
/3 CLOSED STIRRUPS
O 6.9E (MAX.) ,
(3) j5 CONT., TOPS
AND BOTTOM. a °
#5 DOWELS W/ STD. 90' HOOK AT
ONE END. EMBED 6' INTO
EXISTING CONCRETE SLAB USING
EPDXY ADHESIVE, (3) EACH FACE.
SECTION
3/4' -1' -0' 6
CONCRETE PIPE SUPPORT
3/4' -I' -0'
_ 20' -0. O.C. _
2 -0-
- 30' RJ DIP
- - -- -- ----- --- - {I -
EX. CONCRETE CULVERT FLOOR
CONCRETE PLOWABLE FILL (ALONG
PIPE SUPPORT ENTIRE LENGTH OF PIPE)
TYPICAL PIER SUPPORTED PIPE
(SPACING ASSUMES 20' LONG PIPE JOINTS)
06 HAIRPIN DOWELS O 6. OC.
EMBED LEADING END 6" INTO
EXISTING CONCRETE SLAB
USING EPDXY ADHESIVE.
6' CLR.
n
ENTRANCE EDGE OF
EXIST. CONC. CULVERT
CHAMFER. TYP.
031.
BARS CONT.,
FACE
F OSL.
06 DOWEL O 6' O.C. EMBED 6" INTO
EXISTING CONCRETE SLAB USING EPDXY
ADHESIVE. LAP 2' -0- NTH HAIRPINS.
Hill -L�TLI •�' a Em CONCRETE �' `49' PER RECORDS
! \ \\ n r
CULVERT FLOOR 'I
■�y
ROUGHEN EXISTING CONCRETE SURFACE
$S \�TO PROVIDE 1/4' SURFACE PROFILE.
2 - -3- REMOVE ALL LOOSE MATERIAL TO PROVIDE
t , - A LAITANCE -FREE SURFACE.
SECTION - PROPOSED CONCRETE SILL WALL
3/4. -1. -0.
-. -52015 DaAa MmW Powo ! Aa IotK Tae
BARS, EACH
E OF PIER.
Ail BOTTOM
PIPE CRADLE
E %. CONCRETE
CULVERT FLOOR
YP.
EX. CONC. CULVERT WALL
(THICKNESS UNKNOWN)
Z
FIOWABLE FILL (ALONG
ENTIRE LENGTH OF PIPE)
PROPOSED
PROP. 30" RJ DIP
CONCRETE SILL WALL
WATER MAIN
° (UPSTREAM END), SEE
.
� DETAIL THIS SHEET. ..
,
,RECORDS
- 9'I PER
2' -1 1/2
PROPOSED CONCRETE
PIPE SUPPORT
SEE DETAIL THIS SHT.
EX. CONIC. CULVERT FLOOR
20' -0'
TYPICAL CULVERT SECTION - WESTERN BARREL LOOKING UPSTREAM
3/8' -Y -O•
GENERAL NOTES:
A. CAST -IN -PLACE CONCRETE
1. CAST -IN -PLACE CONCRETE SMALL MAW THE FOLLOWING
MINIMUM 28 -DAY COMPRESSIVE STRENGTH: 4000 PSI.
2. CONCRETE SMALL BE MADE IN ACCORDANCE NTH DESIGN MIXES WHICH
ARE TO BE SUBMITTED TO THE ENGINEER FOR APPROVAL PRIOR TO
CASTING ANY CONCRETE. MIX DESIGNS SHALL BE PREPARED AND
REPORTED BY A TESTING LABORATORY ENGAGED BY, AND AT THE
EXPENSE OF THE CONTRACTOR. MIX DESIGNS SHALL INCLUDE A LETTER
PREPARED BY AN INDEPENDENT TESTING LABORATORY CERTIFYING
COMPLIANCE OF DESIGN MIX NTH APPROPRIATE AO STANDARDS AND
PROCEDURES, AND UST ALL MATERIALS AND EXACT PROPORTIONS OF
EACH DESIGN MIX. A RECENT SIEVE ANALYSIS OF BOTH THE FINE AND
COURSE AGGREGATES SHALL BE SUBMITTED WITH THE DESIGN MIX.
CONCRETE MIX DESIGN PROPORTIONS SHALL RESULT IN A 4' MAXIMUM
SLUMP AT THE POINT OF PLACEMENT. CONCRETE MIXES USED IN PIERS
CONTAINING A HIGH -RANGE WATER REDUCER SMALL HAVE A MAXIMUM
SLUMP OF 6'. THE MINIMUM CEMENT CONTENT OF ALL CONCRETE SHALL
BE 520 LBS. OF CEMENT PER CUBIC YARD.
3. NO CALCIUM CHLORIDE MAY BE ADDED TO THE MIX AT ANY TIME.
ADMIXTURES WHICH RETARD OR ACCELERATE THE SET OF CONCRETE IS
NOT PERMITTED. CONCRETE SHALL HAVE A UNIT WEIGHT OF 145 PCF.
4. CONCRETE SHALL HAVE A MAXIMUM WATER /CEMENT RATIO OF 0.45. ALL
CONCRETE WHICH IS SUBJECT TO CONDITIONS OF FREEZING OR DE -ICING
SALTS SHALL CONTAIN ENTRAINED AIR. DO NOT USE HIGH -RANGE WATER
REDUCING ADMIXTURES IN AIR - ENTRAINED CONCRETE. ALL DESIGN MIXES
SHALL BE PREPARED IN ACCORDANCE WITH THE REQUIREMENTS OF ACI
318, CHAPTER S.
5. SELECTION OF CONCRETE MATERIALS, MIX ADMIXTURES, DUALITY CONTROL,
TESTING, FORMWORK DESIGN AND CONSTRUCTION, CURING FINISHING.
CLEANING AND PATCHING SHALL CONFORM TO 114E APPLICABLE
REQUIREMENTS OF THE AMERICAN CONCRETE INSTITUTE (ACI).
6. THE CONTRACTOR SHALL PROVIDE AND INSTALL ALL CONCRETE ISOLATION
MATERIAL TO SEPARATE CONCRETE POURS AS REOUIRED WHETHER SHOWN
IN SECTIONS OR NOT.
7. THE CONTRACTOR SHALL BE RESPONSIBLE FOR FURNISHING AND
INSTALLING ANCHOR BOLTS. CUPS, INSERTS, CONNECTION PLATES,
SLEEVES, SLOTS, AND OTHER REOUIRED ITEMS IN ACCORDANCE NTH THE
CONTRACT DRAWINGS, AND IN COOPERATION WTH OTHER TRADES PRIOR
TO PLACING CONCRETE.
8. CONCRETE MATERIALS SHALL CONFORM TO THE FOLLOWING STANDARDS:
CEMENT: ASTM C150, TYPE I - NORMAL PORTLAND TYPE
FlNE /COURSE AGGREGATES: ASTM C33
AGGREGATES SHALL BE CLEAN, NATURAL, AND FREE FROM LOAM, CLAY,
OR OTHER DELETERIOUS SUBSTANCES. WATER SHALL BE CLEAN AND NOT
DETRIMENTAL TO CONCRETE.
9. ADDITION OF WATER TO THE CONCRETE AT THE JOB STE FOR THE
PURPOSE OF INCREASING THE SLUMP OR FOR RETEMPERING CONCRETE
WHICH HAS BEGUN TO SET IS STRICTLY PROHIBITED.
B. STRUCTURAL STEEL
1. ALL PLATES SHALL CONFORM TO ASTM A36.
2. ANCHOR BOLTS SHALL CONFORM TO ASTM F1554, GRADE 36,
3. FABRICATION AND ERECTION OF ALL STRUCTURAL STEEL SHALL BE IN
ACCORDANCE WITH THE LATEST SPECIFICATION /COMMENTARY AND CODE
OF STANDARD PRACTICE OF THE AMERICAN INSTITUTE OF STEEL
CONSTRUCTION. EXCEPT THAT ALL REFERENCES TO THE 'OWNERS'
RESPONSIBILITY SHALL BE CHANGED TO 'CONTRACTORS' RESPONSIBILITY.
4. YIELDING ELECTRODES SHALL BE E70 SERIES, LOW HYDROGEN.
5. WELDS SMALL BE MADE ONLY BY WELDERS WHO HAVE BEEN PREQUALIFIED
BY TESTS OF THE AMERICAN WELDING SOCIETY, PRESCRIBED IN THE
'STRUCTURAL WELDING CODE: AWS 01.1 (LATEST EDITION).
6. ANY CONNECTION NOT SPECIFICALLY DETAILED ON THE STRUCTURAL
DRAWINGS SHALL BE DESIGNED AND DETAILED BY THE STRUCTURAL STEEL
FABRICATOR.
7. STEEL PLATES SHALL BE HOT -OIP GALVANIZED IN ACCORDANCE WITH
ASTM A123, ANCHOR BOLTS AND NUTS SMALL BE HOT -DIP GALVANIZED
IN ACCORDANCE WTH ASTM A153. PRIOR TO HOT -DIP GALVANIZING.
STEEL SMALL BE CLEANED TO REMOVE LOOSE RUST, LOOSE MILL SCALE.
SPLATTER, SLAG. AND FLUX DEPOSITS, AND SHALL BE CLEANED IN
ACCORDANCE WITH SSPC SP -3 'POWER TOOL CLEANING -. HOT -DIP
GALVANIZING SHALL BE PERFORMED IMMEDIATELY AFTER SURFACE
PREPARATION. ABRADED AREAS SHALL BE CLEANED AND
REPAIRED/TOUCHED-UP WITH ZINC -RI04 COATING IN ACCORDANCE WITH
ASTM A780.
C REINFORCING S L
I. REINFORCING STEEL SHALL CONFORM TO ASTM A615, GRADE 60. LAP 42
X BAR DIAMETERS AT SPLICES UNLESS OTHERWISE NOTED ON THE
DRAWING.
2. ALL REINFORCING STEEL SHALL BE SECURELY TIED TO PREVENT
DISLOCATION DURING THE PLACING OPERATION.
3. REINFORCING STEEL SHALL BE CLEAN OF MUD, DEBRIS, LOOSE RUST,
CEMENT GROUT. OR ANY OTHER MATERIAL WHICH MAY INHIBIT BOND
BETWEEN THE STEEL AND CONCRETE.
4. THE CONTRACTOR SHALL SUBMIT SHOP DRAWINGS TO THE ENGINEER FOR
APPROVAL IN ACCORDANCE WITH AG 318 PRIOR TO MANUFACTURING OR
FABRICATING ANY MATERIAL FABRICATION OF ANY MATERIAL PRIOR TO
THE APPROVAL OF SHOP DRAWINGS WILL BE AT THE CONTRACTOR'S OWN
RISK. REWEW OF SHOP DRAWINGS IS FOR DESIGN ONLY. CONTRACTOR IS
RESPONSIBLE FOR DIMENSIONS, OUANTITIES. AND COORDINATION NTH
OTHER TRADES, REVIEW DOES NOT AUTHORIZE CHANGES TO THE
CONTRACT REQUIREMENTS UNLESS STATED IN SEPARATE LETTER OR
CHANGE ORDER. SHOP DRAWING SUBMITTAL SHALL COMPLY WITH THE
REQUIREMENTS OF ACI SP -66. AND SHALL INCLUDE BAR SCHEDULES.
SHAPES OF BENT BARS, AND SPACING OF BARS.
5. REINFORCING SHALL BE SUPPORTED ON PREFORMED REBAR CHAIRS.
SECURELY TIE REINFORCING TO ALL SUPPORTS.
D. MISCELLANEOUS ITEMS
1. ALL SAFETY REGULATIONS SHALL BE STRICTLY FOLLOWED. THE ENGINEER
SHALL NOT HAVE CONTROL OR CHARGE OF AND SHALL NOT BE
RESPONSIBLE FOR, CONSTRUCTION MEANS, METHODS. TECHNIQUES,
SEQUENCES OR PROCEDURES, FOR SAFETY PRECAUTIONS AND PROGRAMS
IN CONNECTION WTH THE WORK. FOR ACTS OF OMISSIONS OF THE
CONTRACTOR, SUBCONTRACTORS, OR ANY OTHER PERSONS PERFORMING
ANY OF THE WORK IN ACCORDANCE WITH THE CONTRACT DOCUMENTS.
2. THE CONTRACTOR SHALL PROTECT FROM DAMAGES EXISTING ROADS,
UTILITIES. AND OWNER'S EQUIPMENT. HE SHALL MAINTAIN THEM DURING
THE COURSE OF WORK, AND SHALL REPAIR ALL DAMAGES AT NO
ADDITIONAL EXPENSE TO THE OWNER.
3. THE ENGINEER SHALL BE NOTIFIED AT THE PROPER TIME WHEN ALL ITEMS
ARE READY FOR OBSERVATION. SUFFICIENT NOTICE SHALL BE GIVEN BY
CONTRACTOR TO ALLOW FOR SCHEDULING OF THE OBSERVATION.
4. 'PROVIDE' SHALL BE INTERPRETED TO MEAN FURNISH AND INSTALL
UNLESS OTHERWISE NOTED,
5. THESE DRAWINGS SHALL BE USED IN CONJUNCTION NTH ALL APPLICABLE
SITE /CIVIL/UTILITY DRAWINGS, AND DRAWINGS FURNISHED BY MATERIAL
AND EQUIPMENT SUPPLIERS. THE CONTRACTOR SHALL BE RESPONSIBLE
FOR SEEING THAT WORK OF ALL TRADES IS COORDINATED.
6. THE CONTRACTOR SHALL BE RESPONSIBLE FOR DESIGN, FURNISHING,
ERECTING AND REMOVING ANY TEMPORARY SHORING AND BRACING DURING
CONSTRUCTION. CONTRACTOR SHALL ALSO BE RESPONSIBLE FOR
FURNISHING AND OPERATING ALL EQUIPMENT FOR OE- WATERING OF ALL
EXCAVATIONS IN ACCORDANCE NTH THE REPORT OF SUBSURFACE
EXPLORATION AND GEOTECHNICAL ENGINEERING ANALYSIS.
E. DESIGN LOADS (FLOOD LOADS)
AVERAGE VELOCITY OF WATER, V..........19.8 FT/SEC (100 YEAR FLOOD)
IMPACT LOADS:
DEBRIS OBJECT WEIGHT ..................1.000 LBS.
DURATION OF IMPACT .....................0.03 SEC.
FLOOD LOADS HAVE BEEN CALCULATED PER REOUIREMENTS AND
RECOMMENDATIONS OF ASCE 7 -05.
r
5 -Cr - 12'11 -
I
O
FUTURE 48'
ao
HANDRAIL
0.02 0.02 FT/FT
- -_ FUTURE
_ CONCRETE PROPOSED
30' RJ OP - •' ' rRETAINING CONCRETE SILL WALL
WATER MAIN 1 � WALL (UPSTREAM ENO) SEE
(UPSTREAM THIS SHEET.
FUTURE J
n it FLOWABLE .
Col EX. CONC. CULVERT WALL WALL---* •1 j FILL
h (THICKNESS UNKNOWN) "O n
• •P a - -� .. .. _ 9' PER
RECORDS V -1 1/2• CONCRETE PIPE SUPPORT I. 5' -0'
SEE DETAIL THIS SHT. I
EX, CONC. CULVERT FLOOR
-NOTE: FOR REFERENCE ONLY. FUTURE GREENWAY
PLATFORM TO BE INSTALLED BY OTHERS.
FUTURE CULVERT SECTION FOR GREENWAY PATH - WESTERN BARREL LOOKING UPSTREAM
316* CONTRACT B
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Not to ude
DTENSAR / NAG SHOREMAX TRANSITION MAT WITH
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IENSAR /NAG VMA% P550 TURF
REINFORCEMENT MAT (TRW).
TENSAR / NAG WAX P550 TURF
REIWORCOIFNT MAT (TRW).
NORMAL WATERLINE
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r
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SITION MAT
CLASS z RIP -RAP
GEO -raME (WHERE NOTED)
FILTER FABRIC
NOTE: THIS DETAIL SHALL BE FOLLOWED WHERE
THE PROPOSED WATER LINE IS TO BE INSTALLED
ACROSS THE EXISTING STREAM CHANNEL
CHANNEL STABILMA110N DETAIL
NTS
_ � r
r
r
_795— r
i
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PROPOSED SEQUENCE OF CONSTRUCT] FOR INSTALLING
I ING
WATER MAN THROUGH EXISTING DOUBL ARCM CULVERT:
1, INSTALL TEMPORARY COFFER DAMS ON THE UPSTREAM AND
DOWNSTREAM ENDS OF THE EASTERN CULVERT BARREL
2. REMOVE SAND /SILT DEPOSITS FROM THE EASTERN CULVERT BARREL
IS WI
THIS MATERIAL MAY BE USED AS BACKFILL THIN THE PROJECT LIMITS,
OR HAULED TO AN OFF -SITE DISPOSAL AREA. IF THE CONTRACTOR
DISPOSES OF THE SAND/SILT MATERIAL OUTSIDE THE PROJECT UNITS,
THE OONTRACTOR SHALL BE RESPONSIBLE FOR OBTAINING THE
NECESSARY PERMIT FROM THE NCDFNR - DIVISION OF ENERGY, MINERAL,
AND LAND RESOURCES - LAND OUALITY SECTION.
i REMOVE THE EXISTING INACTIVE 20' AND 24- C.I. WATER LINES AND
SUPPORT PIERS FROM THE EASTERN CULVERT BARREL. THE
CONTRACTOR SHALL TAKE OWNERSHIP OF THESE MATERIALS AND
DISPOSE OF
D THEM PROPERLY.
4. EXCAVATE THE EXISTING SAND /SILT DEPOSITS AT THE UPSTREAW AND
DOWNSTREAM ENDS OF THE EASTERN CULVERT BARREL TO FORM A NEW
FLOW CHANNEL THROUGH THE EASTERN CULVERT BARREL. DISPOSE OF
SAND /SILT DEPOSI TS AS DESCRIBED IN NOTE 2 ABOVE. LINE THE
GRADED STREAM EMBANKMENTS WTH STACKED BOULDERS AND MATTING
AS SHOWN.
5. ONCE THE EASTERN CULVERT BARREL IS CLEAR AND GRADING /
STABILZATION OF THE EASTERN STREAMBANKS ARE COMPLETED,
REMOVE THE TEMPORARY COFFER DAMS FROM THE UPSTREAM AND
DOWNSTREAM ENDS OF THE EASTERN CULVERT BARREL TO ALLOW THE
STREAM TO FLOW THROUGH THE EASTERN CULVERT BARREL.
8. AFTER THE EASTERN CULVERT BARREL IS OPENED TO STREAM FLOW.
NSTALL A TEMPORARY COFFER DAM ON THE UPSTREAM AND
DOWNS AM TRE ENDS OF THE WESTERN CULVERT BARREL REMOVE ANY
DEBRIS FROM THE WESTERN CULVERT BARREL AND PREPARE THE FLOOR
FOR INSTALLATION OF THE PROPOSED CONCRETE PIPE SUPPORTS AND
THE PROPOSED CONCRETE SILL WALL AT THE UPSTREAM END OF THE
WESTERN CULVERT BARREL
7. GRADE THE WESTERN STREAM BANKS ON THE UPSTREAM AND
DOWNSTREAM ENDS OF THE CULVERT AND LINE THE STREAMBARKS WITH
STACKED BOULDERS AND MATTING AS SHOWN.
8. CONSTRUCT THE PROPOSED CONCRETE SILL WALL AND THE PROPOSED
CONCRETE PIPE SUPPORTS AND INSTALL THE PROPOSED 30' WATER
MAIN ON THE PIPE SUPPORTS AS SHOWN ON SHEET 6.
9. ONCE THE NEW SECTION OF WATER MAIN IS INSTALLED AND TESTED
INSIDE THE CULVERT, REMOVE THE TEMPORARY COFFER DAMS AT EACH
ENO OF THE WESTERN CULVERT BARREL
-� 2015 Oahe- Maftln PoaM At AuacbtN. Mc
/
I ♦)
0
ar ft
M. Heig•,t
a
Topsoil (Depth Shat( Be Sufficient —�
To Support Stabilizing Vegetaton)
Rods Shall Be Angular And ❑ave A—�.
Z mun Width Equal To 1/3 The
lical Height Of The WaL.
Degree Of Setback ShMI
Dfpend On Design Slope
EXisting
Streambank
Stream Red -\
InvNUr
Class B �yb�
Rip -Rap
OdLkfiLt Slope Angle 12h:ty 0: Fla:te- But
Greater Than S%
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I
In 6, To Ih:40
EXating BanFflne -\
I Filter Fabric
� Stable Cut Face
Porous Backfill
`— Footer Stone At Or Belo.
Stream Bed Invert
�— Fill., Fabric
SECTION
Znd Tier
Of Stones
—Face of
Sacked Stone
Wall 6houtd Be Relatively
Min. 3' Smooth
Toe of
Setback
Flow Bank
—
`Class 2
Rip -Rap
PLAN
STACKED BOULDER DETAIL
NOT TO SCALE
NOTE: STACKED BOULDER DETAIL WAS ADAPTED FROM
DETAIL 1.3 IN "THE VIRGINIA STREAM RESTORATION h
STABILIZATION BEST MANAGEMENT PRACTICES GUIDE ". 2004.
Ist Tier
Of Stones
I,
PROPOSED STREAMBANK GRADING
r -2D'
71 /
790
/BU
780
,.
..
780
780 __
y _.
1
.I ./
780
. . . . . . .
. . . .
ti.
i
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i
770
-
770
sTREAMBJac
IMTH MATTING
PROP. GRADE
JNf n{ I
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!1 .. wiN MATTING
4AEA -
-
f PROR. GRAM
I
•-
_
760
PROP. .GRADE.
_.
760
r v �
.
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I. '1.
760
—_
min.
PROP. STACKED
BOULDERS
750 750
—1 +00 0 +00 1 +00
ABAADQO'li i
May Smwn"
\ __7w J
790
twU
780
,.
..
780
i
770
770
- Will.w` .
---
!1 .. wiN MATTING
f PROR. GRAM
•-
_
_.
..STACIO;D
760
.-- _L_ -W --
I. '1.
760
—_
min.
/ . ..
760
750
—1
+00
0 +00 1 +00
STREAM CROSS SECTION NO. 1 (DOWNSTREAM END OF CULVERT) STREAM CROSS SECTION NO.2 (UPSTREAM END OF CULVERT)
SCALE: 1' -40' H, 1" -4' V SCALE: 1 " -40' H, 1 " -4' V
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STREA11/BANK
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INSTALLATION
DETAIL
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CITY oP A INSWN -MEM
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CONTRACT B
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SHEET NO
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OF J

1. DRIVE STEEL POST 240 INTO GROUND AND EXCAVATE A 6'x6• TRENCH
UPHILL ALONG THE LINE OF POSTS. MAX. B' BETWEEN POSTS.
2 ATTACH WIRE FENCE TO POSTS AND EXTEND THE BOTTOM OF THE
FENCE 6' INM THE EXCAVATED TRENCH.
3. ATTACH THE FABRIC TO THE WIRE FENCE AND EXTEND THE
BOTTOM OF THE FABRIC 6'INTO THE TRENCH.
4. BACKFILL THE TRENCH AND COMPACT THE SOIL FIRMLY TO ANCHOR
THE BOTTOM OF THE SILT FENCE SO THAT RUNOFF IS FORCED TO
GO THRU THE FENCE AND CANNOT GO UNDER IT.
I_A
o
tiv
TEMPORARY SILT FENCE
r! T.S.
MAIOMUM PLACEMENT OF POST USING HO K WIN
APPROVED EROSION CONTROL FABRICS TO SE 10 FEET
VARIES (SEE PLAN)
MAXIMUM PLACDIEN OF POST WITHOUT N00 WINE USING
ILUSE STAPLES V APART HG12ONTALLY AND VERBCNIY ro ATTACH
APPROVED EROSION CONTROL FABRICS To BE
6 FEET TO a FEET APART
1 POST
POST METAL T -POST S FEET OR 6 FEET N HOCHT SLT -FENS
SILT- fETNCE
UEPDECNG ON FILL SLOPE OVER HOO ORE
OVER NOo CURE
FABRIC W VICES N MO N ((MUST MEET DRENOAS
LENS, SIDE SLOPES
EXTEND SHOWN ON THE PLANS WITH
- SPECFICA110N5 FOR FBO90HN COMTROQ
FILLED
EXTENDING HI THE TOP OF THE OVER FILLED EMBANKMENT,
IN
KEEP THE THICKNESS OF THE SIDES OF THE SPILLWAY CUTLET
STOLE H WASHED STONE ro BE PLACED 12 RICHES
STRUCTURE AT A MINIMUM OF 21 INCHES THE RIDE MUST BE
- DEEP AT SET FENCE
TOP VIEW
"DO MRi
CAPACITY
9LTiDlf£` I T11 FENCE POET
SILT-FENCE
[ OVER NOG YAPE
METAL
FENCE POST OVER HIM CC
aVFA N06 MAE
S FT"10
BE Y MM UP OF
THE
y G 3
INDIES 8 EROSION CONTROL STONE IS RECOMMENDED)
STRUCILL STONE
CURE N MAY OTHER
BCIAII OF THE 410 MINE
BAFF F INSTALATION
- STEP
2
SAL EXTEND THE FABRIC ACROSS THE SPILLWAY
FCUNDAT ANY SIDES TO THE TOP OF THE DAN; OR
HARD, ANGULAR. AND HIGHLY WEATHER-RESISTANT.
• EXCAVATE A KEYWAY TRENCH ALONG THE CENTERLINE OF 10.
FRONT VIEW
CROSS SECTION
DOWNSTREAM PAST THE TOE OF THE EMBANKMENT UNTIL STABLE
ARE REACHED AND OUTLET VEDGES IS ACCEPTABLE
2 FE I:I
LEAST 2 FEET DEEP AND 2 FEET WIDE WIM Ui SIDE
NOTE
SLOPES.
91RUC1UNAL STC6 SHALL BE
4 CLEAR THE POND AREA BELOW THE ELEVATION OF THE CREST
EWSB 8; STICK FMI ERo9CN
IRQ PUpPp5E5.
TEMPORARY STONE OUTLET
N.T.S.
SEQUENCE of CONSTRUCTION
1 NOTIFY NCOENR LAND QUALITY SECTION PRIOR TO CONSTRUCTION BY TELEPHONE AT
(336) 771 -5000
2. OBTAIN GRADING PERMIT AT PRE - CONSTRUCTION MEETING, OR REFER TO ENCLOSED
COPY IN CONTRACT DOCUMENTS AND SPECIFICATIONS BOOK
3 INSTALL STABILIZED CONSTRUCTION ENTRANCE/MUD RAMP AT ALL CONSTRUCTION
ENTRANCES.
4 CLEAR SITE ENOUGH TO INSTALL EROSION CONTROL DEVICES.
5 INSTALL SEDIMENT AND EROSION CONTROL DEVICES
6 PERFORM CONSTRUCTION ACTIVITIES PER CONSTRUCTION PLANS AND DIRECTIVE OF THE
ENGINEER.
7. MAINTAIN AND CLEAN EROSION CONTROL FACILITIES THROUGHOUT DURATION OF PROJECT
6. ONCE CONSTRUCTI ON IS COMPLETE, SEED AND MULCH SITE.
9. AFTER ALL AREAS HAVE BEEN STABIUZED AND APPROVAL IS GRANTED BY NCDENR LAND
QUAUTY SECTION. REMOVE TEMPORARY EROSION CONTROL DEVICES
GENERAL MAINTENANCE PROVISIONS
INSPECT TEMPORARY EROSION CONTROL DEVICES AFTER EACH PERIOD OF
SIGNIFICANT RAINFALL CHECK DEVICES FOR RILLS, EROSION, OR PIPING.
ALL AREAS SHOULD BE STABILIZED WITHIN 15 WORKING DAYS AFTER
5 CONSTRUCTION IN THAT AREA. DENUDED AREAS SHALL NOT EXCEED
C 1000 LINEAR FEET WITHOUT SEEDING AND STABILIZATION. ALL AREAS
'L7 DAMAGED PRIOR TO ESTABLISHING PERMANENT STABILIZATION SHALL BE
IMMEDIATELY RE- ESTABUSHED.
AI ADDITIONALLY, THE FOLLOWING ITEMS SHALL BE PERFORMED IN
S OCCORDANCE 'NTH THE SPECIFIC CONSTRUCTION DETAILS ON THIS SHEET•
m 1. SEDIMENT BASINS AND INLET PROTECTION DEVICES SHALL BE CLEANED
WHEN SEDIMENT HAS ACCUMULATED TO ONE -HALF OF THE DESIGN
G DEPTH OF THE DEVICE. THE SEDIMENT SHALL BE PLACED IN THE
g DISPOSAL AREA OR APPLIED TO THE LAND AREA ANY GRAVEL
i FACINGS CONTAMINATED BY THE SEDIMENT SHALL BE REPLACED WITH
AS CLEAN GRAVEL.
Y 2 RIP -RAP, SILT FENCE, AND EARTH BERM DIVERSIONS SHALL BE
6 INSPECTED FOR EROSION, DISPLACEMENT, BREAKS, OVERRUNS, AND
EXCESSIVE SEDIMENTATION, THESE DAMAGES SHALL BE REPAIRED BY
RETURNING THE DEVICE TO ITS DESIGN CONDITION
3. SEEDED AREAS ERODED PRIOR TO PERMANENT STABLIZATION SHALL BE
REGRADED AS NECESSARY, RESEEDED AND MULCHED UNTIL A SUITABLE
SURFACE IS ACHIEVED
EROSION CONTROL PROCEDURE
C[ The CONTRACTOR shall conform to all mal kements of the -1
PLI sedlmentotlon and erosion control lows and regulations of the
Y #! State of North Carolina as established and enforced by the
Land Quality Section of the North Carolina Department of
j Environment and Natural Resources These requirements
8 Shall Include but not be limited to the following,
1. All denuded areas We to be Seeded and stabilized
within 1S days of completion of any phase of grading
Should condltlone exist unlo,robl, far seeding W other
Intended ground cover, mulch and tack application as
Specified below will be required.
2. All erosion control Improvements shall be mointolned, repaired
IL and kept working until acceptance of project.
u�
5g
ffi
C)2015 OaNR -NOHM POWNI k AswelOtp, Inc
L ORIVf 7 STm POST AT LEAST 24• INTO SOLD GROUND
ENSURE THAT THE STONE (DRAINAGE) SECTION OF THE
Is-
ILUSE STAPLES V APART HG12ONTALLY AND VERBCNIY ro ATTACH
1 CLEAR, GRUB, AND STRIP THE AREA UNDER THE EMBANKMENT
MAXIMUM SIDE SLOPES OF TO THAT EXTEND TO THE BOTTOM OF
THE aVW THTHEE BAFFLES AACCOPO�NO ro THE APPROVD PLAN
11X98
/1 ABP RAP
4. THE FLOOR OF THE BASIN N THE OUTLET ZONE AND BERMS
WOULN9IRUCSTEp� AND MULCHED IMMEDIATELY AFTER TIE BASIN
L THE SIG
OBJECTIONABLE MATERIAL TO THE DESIGNATED DISPOSAL AREA,
N
LENS, SIDE SLOPES
EXTEND SHOWN ON THE PLANS WITH
BAFFLE INSTALLATION - STEP 1
FILLED
EXTENDING HI THE TOP OF THE OVER FILLED EMBANKMENT,
IN
KEEP THE THICKNESS OF THE SIDES OF THE SPILLWAY CUTLET
ROOTS, WOODY VEGETATION, ,ORGANIC NATTER, AND OTHER
STRUCTURE AT A MINIMUM OF 21 INCHES THE RIDE MUST BE
OBJECTIONABLE MATERIAL PLACE THE FILL IN LIFTS NOT TO
LEVEL AND CONSTRUCTED TO GRADE TO ASSURE DESIGN
EXCEED 9 INCHES AND MACHINE COMPACT OVER FILL THE
CAPACITY
WP OA E1101RD
WATER FLOWS DO NOT BYPASS THE
B,
J CONSTRUCT THE OUTLET SECTION IN THE EMBANKMENT.
BE Y MM UP OF
THE
C T B' SUIS q W FENCE
FABRIC A11XN0 THE Borrow
INDIES 8 EROSION CONTROL STONE IS RECOMMENDED)
CUT "m
NT REAL ES T IS
t
CURE N MAY OTHER
BCIAII OF THE 410 MINE
BAFF F INSTALATION
- STEP
2
DEMON
SURFACE T. , / Lzr Nw �n �.L „°,• `°'
nE
R B.` a FT MIN salce pcEUCx Er -Hass
X AREA 5 FT pcepce pAH iTLEp
MA% FILL 2• ib S 5
FlLifn 36' MIN ' .Mice ubnE
FLBNIC �
CROSS - SECTION
NCDOT 5 FT MIN
BURIED IN TIMM
y*ej ri}tlt 1}•tE .
CROSS-SECTION
TFA1 ARY TR a TION amFr TONS 7.
ENSURE THAT THE STONE (DRAINAGE) SECTION OF THE
Is-
EMBANKMENT HAS A MINIMUM BOTTOM 'WIDTH OF 3 FEET AND
1 CLEAR, GRUB, AND STRIP THE AREA UNDER THE EMBANKMENT
MAXIMUM SIDE SLOPES OF TO THAT EXTEND TO THE BOTTOM OF
OF ALL VEGETATION N AN D T MAT REMOVE ALL SURFACE
SPILLWAY SECTION .
THE $PILL A
AMOUNTS
SOIL CONTAINING HIGH A F IT PROPERLY OF ORGANIC NATTER AND
aT OSPOERI HAUL ALL S.
9BJECTI TO
CONSTRUCT THE MINIMUM FINISHED STONE SPILLWAY BOTTOM
L THE SIG
OBJECTIONABLE MATERIAL TO THE DESIGNATED DISPOSAL AREA,
N
LENS, SIDE SLOPES
EXTEND SHOWN ON THE PLANS WITH
2, ENSURE THAT FILL MATERIAL FOR THE EMBANKMENT IS FREE OF
FILLED
EXTENDING HI THE TOP OF THE OVER FILLED EMBANKMENT,
IN
KEEP THE THICKNESS OF THE SIDES OF THE SPILLWAY CUTLET
ROOTS, WOODY VEGETATION, ,ORGANIC NATTER, AND OTHER
STRUCTURE AT A MINIMUM OF 21 INCHES THE RIDE MUST BE
OBJECTIONABLE MATERIAL PLACE THE FILL IN LIFTS NOT TO
LEVEL AND CONSTRUCTED TO GRADE TO ASSURE DESIGN
EXCEED 9 INCHES AND MACHINE COMPACT OVER FILL THE
CAPACITY
T
EMBANKMENT 6 INCHES TO ALLOW FOR SETTLEMENT
WATER FLOWS DO NOT BYPASS THE
B,
J CONSTRUCT THE OUTLET SECTION IN THE EMBANKMENT.
MATERIAL USED IN THE STONE SECTION SHOULD BE A
WELL- ITRADEO MIXTURE OF STONE WITH A 050 SIZE OF 9
PROTECT THE CONNECTION BETWEEN THE RIP-RAP AND THE SOIL
INDIES 8 EROSION CONTROL STONE IS RECOMMENDED)
A KEYWAY
FROM PIPING BY USING FILTER FABRIC KEYED
AND A A)UOMU STONE SIZE OF INCHES. THE STONE MAY
TU SOL
TRENCH PL BETWEEN THE RIP-RAP A IC STRUCTURE AND THE SAL
BET
• PLACE THE THE FABRIC BETWEEN THE RIP-RAP AND
A
BE MACHINE PLACED AND THE SMALLER STONES WORKED INTO
MACHINE PL
THE MODS THE LARGER STONES THE STONE SHOULD BE
SAL EXTEND THE FABRIC ACROSS THE SPILLWAY
FCUNDAT ANY SIDES TO THE TOP OF THE DAN; OR
HARD, ANGULAR. AND HIGHLY WEATHER-RESISTANT.
• EXCAVATE A KEYWAY TRENCH ALONG THE CENTERLINE OF 10.
ENSURE THAT THE STONE SPILLWAY CURET SECTION EXTENDS
THE SPILLWAY FOUNDATION THE UP THE SIDES TO
MET OF THE DAM THE TRENCH SHOULD BE AT
DOWNSTREAM PAST THE TOE OF THE EMBANKMENT UNTIL STABLE
ARE REACHED AND OUTLET VEDGES IS ACCEPTABLE
2 FE I:I
LEAST 2 FEET DEEP AND 2 FEET WIDE WIM Ui SIDE
FOR RECEIVING STREAM. KEEP THE EDDIES OF THE STONE
FOR THE
SLOPES.
OUTLET SECTOR FLUSH WITH THE SURROUNDING GROUND AND
FL
4 CLEAR THE POND AREA BELOW THE ELEVATION OF THE CREST
SHAPE THE CENTER TO CONFINE THE OUTFLOW STEAM
OF THE SPILLWAY TO FACILITATE SEDIMENT CLEANOUT 11,
DIRECT EMERGENCY BYPASS TO NATURAL STABLE AREAS
S ALL WT AND FILL SLOPES SHOULD BE 2:1 OR PUTTER.
LOCATE BYPASS OUTLETS SO THAT FLOW WILL NOT DAMAGE THE
EMBANKMENT.
5. MINIMUM DEPTH TO BE 35 FEET (1 5 FEET BELOW GRADE AND 212,
STABAIZE THE EMBANKMENT AND ALL DISTURBED AREAS ABOVE
FEET MINIMUM STORAGE ABOVE GRADE)
THE SEDIMENT POOL AND DOWNSTREAM FROM THE TRAP
IMMEDIATELY 010 CONSTRUCTION
IMMEDIATELY AFTER GRADING THE CHANNEL AND BERM,
INSTALL EXCELSIOR MATTING IN CHANNEL AND SEED, eE EX. GROUND
SEED /MULCH BERM.
.n 'OFF,gSF•
PROP
CONSTRUCTION 2' MIN.
(\ \CORRIDOR
3.
CLEAN WATEFR DIVERSION
N.'f.S.
CONSTRUQTION SPECIFIrATIONS:
WASHING - I CONDITIONS AT tHE SITE ARE SUCH THAT MOST OF THE MUD AND SEDIMENT ARE
NOT REMOVED BY VEHICLES TRAVELING OVER THE GRAVEL, THE TIRES SHOULD BE WASHED.
WASHING SHOULD BE DONE ON AN AREA STABILIZED WITH CRUSHED STONE THAT DRAINS INTO A
SEDIMENT TRAP OR OTHER SUITABLE DISPOSAL AREA. A WASH RACK MAY ALSO BE USED TO
MAKE WASHING MORE CONVENIENT AND EFFECTIVE
1. CLEAR THE ENTRANCE AND EXIT AREA OF ALL VEGETATION, ROOTS, AND OTHER
OBJECTIONABLE MATERIAL AND PROPERLY GRADE IT
2. PLACE THE GRAVEL TO THE SPECIFIC GRADE AND DIMENSIONS SHOWN ON THE PLANS, AND
SMOOTH IT.
3, PROVIDE DRAINAGE TO CARRY WATER TO A SEDIMENT TRAP OR OTHER SUITABLE CUTLET,
4. USE GEOTEXTILE FABRICS BECAUSE THEY IMPROVE STABILITY OF THE FOUNDATION IN
LOCATIONS SUBJECT TO SEEPAGE OR HIGH WATER TABLE,
MAINTAIN THE GRAVEL PAD IN A CONDITION TO PREVENT MUD OR SEDIMENT FROM LEAVING THE
CONSTRUCTION SITE. THIS MAY REQUIRE PERIODIC TOP DRESSING WITH 2 -INCH STONE AFTER
EACH RAINFALL, INSPECT ANY STRUCTURE USED TO TRAP SEDIMENT AND CLEAN IT OUT AS
NECESSARY. IMMEDIATELY REMOVE ALL OBJECTIONABLE MATERIALS SPILLED, WASHED, OR
TRACKED ONTO PUBLIC ROADWAYS.
TEMPORARY CONSTRUCTION ENTRANCE
N.T.S
MdB
INSPECT TEMPORARY SEDIMENT TRAPS AFTER EACH PERIOD OF
SIGNIFICANT RAINFALL REMOVE SEDIMENT AND RESTORE THE
TRAP TO ITS ORIGINAL DIMENSIONS WHEN THE SEDIMENT HAS
ACCUMULATED TO ONE -HALF THE DESIGN DEPTH OF THE TRAP
PLACE THE SEDIMENT THAT IS REMOVED IN THE DESIGNATED
DISPOSAL AREA AND REPLACE THE CONTAMINATED PART OF THE
GRAVEL FACING
CHECK THE STRUCTURE FOR DAMAGE FROM EROSION OR PIPING
PERIODICALLY CHECK THE DEPTH OF THE SPILLWAY TO ENSURE IT
IS A MINIMUM OF 1 5 FEET BELOW THE LOW POINT OF THE
EMBANKMENT IMMEDIATELY FILL ANY SETTLEMENT OF THE
EMBANKMENT TO SLIGHTLY ABOVE DESIGN GRADE. ANY RIP -RAP
DISPLACED FROM THE SPILLWAY MUST BE REPLACED IMMEDIATELY
AFTER ALL SEDIMENT - PRODUCING AREAS HAVE BEEN
PERMANENTLY STABILIZED, REMOVE THE STRUCTURE AND ALL
UNSTABLE SEDIMENT SMOOTH THE AREA TO BLEND WITH THE
ADJOINING AREAS AND STABILIZE PROPERLY.
BAFFLED TEMPORARY SEDIMENT TRAP
N..
///---TEMP. SED. TRAPS, TYP.
EACH SIDE STREAM TEMP IMPERVIOUS
SIZE PER PLANS NON - ERODIBLE
m5F WATER BARRIER WATER
PART 2 1 11 1
PART 1 • ---_
STREAM
BOTTOM
SILT FENCE
PROP. PIPE
el6u PBOflLE
CONSTRUCTION SEQUENCE
I CONSTRUCTION SHALL BE PERFORMED DURING LOW FLOW PERIODS.
2 CROSSINGS SHALL BE ACCOMPLISHED IN A MANNER THAT WILL NOT PROHIBIT THE
STREAM FLOW.
3 INSTALL TEMPORARY SILT FENCE AND SEDIMENT TRAPS AT THE TOP OF BANK ON
EACH SIDE OF THE STREAM,
4 THE BANK OPPOSITE OF THE COFFER DAM SHALL BE PROTECTED BY SAND BAGS,
THE MINIMUM LENGTH OF PROTECTION REQUIRED IS 25 FT ON EACH SIDE OF THE
COFFER DAM, AT A HEIGHTH OF 24• ABOVE WATER LEVEL. THE EXTENT OF
PROTECTION MAY VARY AS DIRECTED BY THE ENGINEER ON AN INDIVIDUAL BASIS.
5 INSTALL ALL E R NON-ERODIBLE
BARRIER AROUND
1/2 OF CROSSING
REMOVE LARGE ROCKS A ND DE BRIS FROM T HE AREA WERE SAND BAG
WILL BE PLACED.
• LAYOUT IMPERVIOUS POLY- FABRIC WITH THE CENTER OF THE LINER LOCATED OVER THE
CENTER OF THE SAND BAG DIKE
• PLACE SAND BAGS TO THE DESIRED HEIGHT. THE DIKE SHALL HAVE A SUITABLE WIDTH TO
SUPPORT THE REQUIRED HEIGHT, EACH ROW OF SAND BAGS SHALL BE OFFSET SO THE
JOINTS ARE STAGGERED, AND SAND BAGS SHALL BE PACKED TIGHTLY TOGETHER
• WRAP THE IMPERVIOUS POLY- FABRIC AROUND THE SAND BAG DIKE AND SECURE WITH A
FINAL LAYER OF SAND BAGS.
6 DEWATER WORK AREA BY PUMPING INTO TEMPORARY SEDIMENT TRAP.
7 EXCAVATE PIPE TRENCH.
B INSTALL PIPE.
9 BACKFILL WITH EXCAVATED MATERIAL TO ORIGINAL PROFILE.
10 REMOVE TEMPORARY IMPERVIOUS BARRIER.
11 IMMEDIATELY REVEGETATE STREAM BANK BY SEEDING AND MULCHING
12 RELOCATE TO OPPOSITE SIDE OF STREAM AND REPEAT ABOVE STEPS.
13 AFTER WATER MAIN HAS BEEN INSTALLED AND COFFER DAMS REMOVED,
CONTRACTOR SHALL INSTALL RIP -RAP WITH FILTER FABRIC AND STONE
UNDERLAYMENT TO STABILIZE STREAM BED AND BANKS.
TEMPORARY (tQFFFR J AM STRFAM CROSSING
N. T S.
BORE PIT
PROPOSED '
ENCASEMENT�,, 1 I
PIPE
I L I SOIL
1 1 i -' % %�� STOCKPILE
I I
I i tl
EDGE O
PAVEMENT M---v w
W'ST ALL CHECK DAM AT
NATURAL DRAINAGE CUTLET
BORE SITE DETAIL
N.T.S.
1. PREPARE SOIL BEFORE INSTALLING BLANKETS, INCLUDING
APPLICATION OF LIME, FERTILIZER, AND SEED
2 BEGIN AT THE TOP OF THE CHANNEL BY ANCHORING THE BLANKET
IN A 6' DEEP X 6' WIDE TRENCH. BACKFILL AND COMPACT THE
TRENCH AFTER STAPLING.
3 ROLL CENTER BLANKET IN DIRECTION OF WATER FLOW ON BOTTOM
OF CHANNEL.
4, PLACE BLANKETS END OVER END (SHINGLE STYLE) WITH A 6'
OVERLAP. USE A DOUBLE ROW OF STAGGERED STAPLES 4'
APART TO SECURE BLANKETS.
5 FULL LENGTH EDGE OF BLANKETS AT TOP OF SIDE SLOPES MUST
BE ANCHORED IN 6' DEEP X 6' WIDE TRENCH. BACKFILL AND
COMPACT THE TRENCH AFTER STAPLING.
6. BLANKETS ON SIDE SLOPES MUST BE OVERLAPPED 4' OVER THE
CENTER BLANKET AND STAPLED (2' FOR 0350 MATING).
7 IN HIGH FLOW CHANNEL APPLICATIONS, A STAPLE CHECK SLOT IS
RECOMMENDED AT 30 TO 40 FOOT INTERVALS USE A ROW OF
STAPLES 4' APART OVER ENTIRE WIDTH OF THE CHANNEL. PLACE
A SECOND ROW 4' BELOW THE FIRST ROW IN A STAGGERED
PATTERN.
8. THE TERMINAL END OF THE BLANKETS MUST BE ANCHORED IN A
6' DEEP X 6' NOE TRENCH BACKFILL AND COMPACT THE
TRENCH AFTER STAPLING
NORTH AMERICAN GREEN
TEMPORARY DITCH LINING
INSTALLATION GUIDE
M r.S
CONSTRUCTION SPECIFICATIONS
1 CLEAR, GRUB. AND STRIP THE AREA UNDER THE EMBANKMENT OF ALL VEGETATION AND ROOT MAT REMOVE ALL
SURFACE SOL CONTAINING HIGH AMOUNTS O. ORGANIC MATTER AND STOCKPILE OR DISPOSE OF IT PROPERTY
HAUL ALL OBJECTIONABLE MATERIAL TO THE DESIGNATED DISPOSAL AREA
2. ENSURE THAT FILL MATERIAL FOR THE EMBANKMENT IS FREE OF ROOTS, WOODY VEGETATION. ORGANIC MATTER, AND
OTHER OBJECTIONABLE MATERIAL. PLACE THE FILL IN LIFTS NOT TO EXCEED 9 INCHES AND MACHINE COMPACT IT,
OVER TILL THE EMBANKMENT 101 TO ALLOW FOR SETTLEMENT
3. CONSTRUCT THE OUTLET SECTION IN THE EMBANKMENT PROTECT THE CONNECTION BETWEEN THE Po`-RAP AND THE
SOIL FROM PIPING BY USING FILTER FABRIC OR A KEYWAY CUTOFF TRENCH BETWEEN THE RIP-RAP STRUCTURE AND
PLCE THE • LAC
E FILTER FABRIC BETWEEN THE RIP -RAP AND SOIL EXTEND THE FABRIC ACROSS THE SPILLWAY
FOUNDATION AND SIDES TO THE TOP OF THE DAM; OR
•EXCAVATE A KEYWAY TRENCH ALONG THE CENTERLINE OF THE SPILLWAY FOUNDATION EXTENDING UP THE SIDES TO
THE HEIGHT OF THE DAM THE TRENCH SHOULD BE AT LEAST 2 FEET DEEP AND 2 FEET WIDE WITH V 1 SIDE
SLOPES,
4. CLEAR THE POND AREA BELOW THE ELEVATION OF THE CREST OF THE SPILLWAY TO FACILITATE SEDIMENT CLEANOUT
5. ALL CUT AND FILL SLOPES SHOULD BE 2:1 OR HITTER.
8. ENSURE THAT THE STONE (ORNNACE SECTION OF THE EMBANKMENT HAS A MIN. BOTTOM WIDTH OF 3 FEET AND MAX
SIDE SLOPES OF 1'I THAT EXTEND T� THE BOTTOM OF THE SPILLWAY SECTION.
7. CONSTRUCT THE MINIMUM FINISHED STONE SPILLWAY BOTTOM WIDTH. AS SHOWN ON TIKE PLANS. WITH 2:1 SIDE SLOPES
EXTENDING TO THE TOP OF THE OVER FILLET EMBANKMENT. KEEP THE THICKNESS OF THE SIDES OF THE SPILLWAY
OUTLET STRUCTURE AT A MINIMUM OF 21'. THE WEIR MUST BE LEVEL AND CONSTRUCTED TO GRADE TO ASSURE
DESIGN CAPACITY I
6. MATERIAL USED N THE STONE SECTION SHOULD BE A WELL- GRADED MIXTURE OF STONE NTH A DSO SIZE OF 9
INCHES (CLASS B EROSION CONTROL STORE IS RECOMMENDED) AND A MAXIMUM STONE SZE OF 14 INCHES THE
STONE MAY BE MACHINE PLACED AND THE SMALLER STONES WORKED INTO THE VOIDS OF THE LARGER STONES THE
STONE SHOULD BE HARD, ANGULAR, AND HIGHLY NEAIHER- RESISTANT
B. SHOW THE DISTANCE FROI THE TO' OF THE SPILLWAY TO THE SEDIMENT CLEANOUT
(ONE HALF THE DESIGN CAPACITY) ON THE PLANS AND MARK IT N THE FIELD.
10. THE BERM SHOULD BE SEEDED IMMEDIATELY AFTER IT IS BUILT
BERM WfTHNROCK OUTLET
CONTRACT B
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/57 WASHED 7 ST A E ' `H
1 WEN WIDTH VARIES DEPENDING
as
UPON THE ORMNAGE AREA ABOVE
IBM CU -FT /ACRE ,IrN
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THE OUTLET,
2. CONTRACTOR TO ENSURE EARTH
BERM EXTENDS ABOVE ROCK
EXCAVATED PIT
OTET BERM TO INSURE STORM
FILTER FABRIC
WATER FLOWS DO NOT BYPASS THE
FILTER OUTLET
CROSS SECTION
ROD( OUTLETS NOT
TO EXCEED 200
FEET SPACING
BERM
BEAN
jjg�
BERM
EXCAVATED
PIT, TYP
PLAN VIEW
DESIGN SETTLED MIN
OVERFILL 6'
FOR SETTLEMENT
TOP ELEV x(21
\
/
4 n m n
YT NAX EMERGENCY
5D -O', MA�\f FILL 7B' SI� =/� BY -PASS 8'
FFTER FASPoC BELOOF
\
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J0• MN I I MAX
.'\ EAU Top
\NATURAL
SIDE SLOPE
GROUND
STONE SECTION
CONSTRUCTION SPECIFICATIONS
1 CLEAR, GRUB. AND STRIP THE AREA UNDER THE EMBANKMENT OF ALL VEGETATION AND ROOT MAT REMOVE ALL
SURFACE SOL CONTAINING HIGH AMOUNTS O. ORGANIC MATTER AND STOCKPILE OR DISPOSE OF IT PROPERTY
HAUL ALL OBJECTIONABLE MATERIAL TO THE DESIGNATED DISPOSAL AREA
2. ENSURE THAT FILL MATERIAL FOR THE EMBANKMENT IS FREE OF ROOTS, WOODY VEGETATION. ORGANIC MATTER, AND
OTHER OBJECTIONABLE MATERIAL. PLACE THE FILL IN LIFTS NOT TO EXCEED 9 INCHES AND MACHINE COMPACT IT,
OVER TILL THE EMBANKMENT 101 TO ALLOW FOR SETTLEMENT
3. CONSTRUCT THE OUTLET SECTION IN THE EMBANKMENT PROTECT THE CONNECTION BETWEEN THE Po`-RAP AND THE
SOIL FROM PIPING BY USING FILTER FABRIC OR A KEYWAY CUTOFF TRENCH BETWEEN THE RIP-RAP STRUCTURE AND
PLCE THE • LAC
E FILTER FABRIC BETWEEN THE RIP -RAP AND SOIL EXTEND THE FABRIC ACROSS THE SPILLWAY
FOUNDATION AND SIDES TO THE TOP OF THE DAM; OR
•EXCAVATE A KEYWAY TRENCH ALONG THE CENTERLINE OF THE SPILLWAY FOUNDATION EXTENDING UP THE SIDES TO
THE HEIGHT OF THE DAM THE TRENCH SHOULD BE AT LEAST 2 FEET DEEP AND 2 FEET WIDE WITH V 1 SIDE
SLOPES,
4. CLEAR THE POND AREA BELOW THE ELEVATION OF THE CREST OF THE SPILLWAY TO FACILITATE SEDIMENT CLEANOUT
5. ALL CUT AND FILL SLOPES SHOULD BE 2:1 OR HITTER.
8. ENSURE THAT THE STONE (ORNNACE SECTION OF THE EMBANKMENT HAS A MIN. BOTTOM WIDTH OF 3 FEET AND MAX
SIDE SLOPES OF 1'I THAT EXTEND T� THE BOTTOM OF THE SPILLWAY SECTION.
7. CONSTRUCT THE MINIMUM FINISHED STONE SPILLWAY BOTTOM WIDTH. AS SHOWN ON TIKE PLANS. WITH 2:1 SIDE SLOPES
EXTENDING TO THE TOP OF THE OVER FILLET EMBANKMENT. KEEP THE THICKNESS OF THE SIDES OF THE SPILLWAY
OUTLET STRUCTURE AT A MINIMUM OF 21'. THE WEIR MUST BE LEVEL AND CONSTRUCTED TO GRADE TO ASSURE
DESIGN CAPACITY I
6. MATERIAL USED N THE STONE SECTION SHOULD BE A WELL- GRADED MIXTURE OF STONE NTH A DSO SIZE OF 9
INCHES (CLASS B EROSION CONTROL STORE IS RECOMMENDED) AND A MAXIMUM STONE SZE OF 14 INCHES THE
STONE MAY BE MACHINE PLACED AND THE SMALLER STONES WORKED INTO THE VOIDS OF THE LARGER STONES THE
STONE SHOULD BE HARD, ANGULAR, AND HIGHLY NEAIHER- RESISTANT
B. SHOW THE DISTANCE FROI THE TO' OF THE SPILLWAY TO THE SEDIMENT CLEANOUT
(ONE HALF THE DESIGN CAPACITY) ON THE PLANS AND MARK IT N THE FIELD.
10. THE BERM SHOULD BE SEEDED IMMEDIATELY AFTER IT IS BUILT
BERM WfTHNROCK OUTLET
CONTRACT B
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5"'ft1116'•1.0'
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M -A -2052
M -A -2053
M -A -2064
WA 2055
M-A -2056
M-D-272
M-D -273
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DETAIL OF LUMNITE :XCTION(OR NTSTABUTWT)
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forf rtherdetollsafarch
see ollowlnq plans. -
M -A -2052
M A -2053
M- A-2054
M-A -2055
M -A -2056
M-D-27
M -D -27
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50UTNEAN RAILWAY COMPANY
EF
WINSTON- .SALEM, N.C.
AS CONSTRUCTED PLAN
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M. P. K -24
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AS CONSTRUCTED PLAN
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M. P. K -24
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M-A -2
M -A -2053
M -A -2054
M -A -2055
M -A -2056
M-0-272
M -D-e?3
PLAN -RELAY RAIL REINFORCEMENT -'WEST ABUTMENT --�.
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