HomeMy WebLinkAbout20110291 Ver 1_Application_20110329I
0
STATE OF NORTH CAROLINA
DEPARTMENT OF TRANSPORTA'
BEVERLY EAVES PERDUE
GOVERNOR
Ms. Lori Beckwith
US Army Corps of Engineers
151 Patton Avenue, Room 208
Asheville, NC 28801-5006
March 25, 2011
A*
'fl9?,2 A_a
EP?A. CONTI, JR.
RETARY
11®29.
Subject: Nationwide Permit #14
SR 1591, Eastbrook Circle
State Project No. 13C.012139 (DWQ Minor Permit Fee $240)
Rutherford County, NC
Dear Ms. Beckwith:
I have enclosed a straight-line diagram with erosion control plan, a PCN application for
NWP 914, and a vicinity map relative to the proposed secondary road project on SR 1591
Eastbrook Circle, Burke County, NC.
We propose to replace a wooden/steel bridge with an 81" x 59" aluminum pipe culvert on
an UT to Hunting Creek. Total permanent stream impact will be 50 feet. A temporary
impervious dike will be used for dewatering during installation and removal. The UT is
approximately 5 feet wide with primarily bedrock substrate.
Existing channel morphology will be maintained upstream and downstream of the
culvert. The culvert will be placed below existing streambed elevation whenever
possible. Bedrock may prohibit burial of the culvert invert at this location. Riparian
vegetation will be reestablished along disturbed areas associated with the culvert
extensions. Stormwater will be diverted through grass-lined ditches or vegetated buffers
prior to entering streams.
No effect on federally listed species (threatened or endangered) or their habitats is
anticipated.
As a part of the 401 Certification process, a copy of the application will be forwarded to
the NC State Historic Preservation Office as required by Section 106 of the National
Historic Preservation Act of 1966 and GS 121-12(a).
Division Thirteen Office Post Office Box 3279 Asheville, NC 28802
Phone: 828/251-6171 Office of the Division Engineer Fax: 828/251-6709
www.ncdot.gov/doh/operations/divisionl3
Ms. Lori Beckwith
Page -2 SR 1591, Burke County
Marc 25, 2011
By copy of this letter, we request Ron Linville, North Carolina Wildlife Resources
Commission Coordinator, to comment directly to the Corps concerning the permit
request.
By copy of this letter, we are asking Ed Ingle, Area Roadside Field Operations Engineer,
to comment on the above project. The UT to Hunting Creek is classified WS-IV. A
trout buffer variance will not be required for the project.
By copy of this letter, I am forwarding four (4) copies of the application package to Brian
Wrenn, NC Division of Water Quality, 401/Wetland Unit and an additional copy to Mike
Parker, NC DWQ Asheville Regional Office for review and comment. Please charge the
application fee of $240.00 to WBS element # 13C.012139. Please forward comments
directly to the Corps with copy to Division 13 Environmental Officer.
Your earliest consideration for this request would be greatly appreciated. If you have any
questions or information needs, please contact me at (828) 251-6171.
Sincerely,
04r,
Roger D. Bryan
Division 13 Environmental Officer
Enclosures
cc: J.J. Swain, Jr., P.E.
D.R. McNeal, P.E.
Ed Ingle, CPESC
Ron Linville
Mike Parker
Brian Wrenn
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Office Use Only:
Corps action ID no.
DWQ project no.
Form Version 1.3 Dec 10 2008
Pre-Construction Notification (PCN) Form
A. Applicant Information
1. Processing
1 a. Type(s) of approval sought from the
Corps: X Section 404 Permit
? Section 10 Permit
1b. Specify Nationwide Permit (NWP) number: 14 or General Permit (GP) number:
1c. Has the NWP or GP number been verified by the Carps? X Yes ? No
1d. Type(s) of approval sought from the DWQ (check all that apply):
X 401 Water Quality Certification - Regular ? Non-404 Jurisdictional General Permit
? 401 Water Quality Certification - Express ? Riparian Buffer Authorization
le. Is this notification solely for the record
because written approval is not required? For the record only for DWQ 401
Certification:
? Yes X No For the record only for Corps Permit:
? Yes X No
1f. Is payment into a mitigation bank or in-lieu fee program proposed for mitigation
of impacts? If so, attach the acceptance letter from mitigation bank or in-lieu
fee program. ? Yes X No
1g. Is the project located in any of NC's twenty coastal counties. If yes, answer 1 h
below. ? Yes X No
1h. Is the project located within a NC DCM Area of Environmental Concern (AEC)? ? Yes X No
2. Project Information
2a. Name of project: SR 1591 Eastbrook Circle
2b. County: Burke
2c. Nearest municipality / town: Morganton
2d. Subdivision name: N/A
2e. NCDOT only, T.I.P. or state
project no: 130.012139
3. Owner Information
3a. Name(s) on Recorded Deed: North Carolina Department of Transportation
3b. Deed Book and Page No. N/A
3c. Responsible Party (for LLC if
applicable): N/A
3d. Street address: N/A
3e. City, state, zip: N/A
3f. Telephone no.: N/A
3g. Fax no. N/A
31h. Email address: N/A
Page 1 of 10
PCN Form -Version 1.3 December 10, 2008 Version
4. Applicant Information (if different from owner)
4a. Applicant is: North Carolina Department of Transportation
4b. Name: J.J. Swain, Jr., P.E., Division Engineer
4c. Business applicable): name
(?pplic
N.C. Department of Transportation
4d. Street address: 55 Orange Street, P.O. Box 3279
4e. City, state, zip: Asheville, NC 28802
4f. Telephone no.: 828-251-6171
4g. Fax no.: 828-251-6394
4h. Email address: rdbrvanancdot aov
5. AgentlConsultant Information (if applicable)
5a. Name: N/A
5b. Business name
(if applicable): N/A
5c. Street address: N/A
5d. City, state, zip: N/A
5e. Telephone no.: N/A
5f. Fax no.: N/A
5g. Email address: N/A
Page 2 of 10
B. Project Information and Prior Project History
1. Property Identification
1a. Property identification no. (tax PIN or parcel ID): N/A
1 b. Site coordinates (in decimal degrees): Latitude: 35.75547° N Longitude: 81.64125°W
1c. Property size: 2.1 acres
2. Surface Waters
2a. Name of nearest body of water (stream, river, etc.) to
proposed project:
UT to Hunting Creek
2b. Water Quality Classification of nearest receiving water: WS-IV
2c. River basin: Catawba
3. Project Description
3a. Describe the existing conditions on the site and the general land use in the vicinity of the project at the time of this
application:
Existing gravel secondary road
3b. List the total estimated acreage of all existing wetlands on the property:
0.0
3c. List the total estimated linear feet of all existing streams (intermittent and perennial) on the property:
100
3d. Explain the purpose of the proposed project:
Replace a deteriorated bridge, increase the typical section and pave the secondary road
3e. Describe the overall project in detail, including the type of equipment to be used:
Grade, drain, base and pave the roadway. Replace a bridge with a culvert on a jurisdictional stream. Equipment used
will include excavators, trucks and graders,
4. Jurisdictional Determinations
4a. Have jurisdictional wetland or stream determinations by the
Corps or State been requested or obtained for this property /
project (including all prior phases) in the past?
Comments: Blue line stream, Field evaluated by NCDOT
? Yes X No ? Unknown
4b. If the Corps made the jurisdictional determination, what type
of determination was made?
? Preliminary ? Final
4c. If yes, who delineated the jurisdictional areas?
Name (if known): N/A Agency/Consultant Company:
Other: N/A
4d. If yes, list the dates of the Corps jurisdictional determinations or State determinations and attach documentation.
5. Project History
5a. Have permits or certifications been requested or obtained for
this project (including all prior phases) in the past?
? Yes X No ? Unknown
5b. If yes, explain in detail according to "help file" instructions.
6. Future Project Plans
6a. Is this a phased project? ? Yes X No
6b. If yes, explain.
Page 3 of 10 -
PCN Form.- Version 1.3 December 10, 2008 Version
C. Proposed Impacts Inventory
1. Impacts Summary
la. Which sections were completed below for your project (check all that apply):
E] Wetlands X Streams - tributaries E] Buffers
? Open Waters ? Pond Construction
2. Wetland Impacts
If there are wetland impacts proposed on the site, then complete this questio n for each wetland area impacted
2a. 2b. 2c.
Wetland impact
2d. .
2e. 2f.
number- Type of impact Type of wetland
Permanent (P) or
Forested Type of jurisdiction
(Corps - 404, 10 Area of impact
(if known)
Temporary DWQ - non-404, other) (acres)
W1 ? P ? T ? Yes ? Corps
? No ?DWQ
W2 ? P ? T ? Yes ? Corps
? No ? DWQ
W3 ? P ? T ? Yes El Corps
? No ? DWQ
W4 El P r-1 T ? Yes ? Corps
? No ? DWQ
W5 ? P ? T ? Yes ? Corps
? No ? DWQ
W6 ? P ? T ? Yes El Corps
? No ?DWQ
2g. Total wetland impacts
2h. Comments:
3. Stream Impacts
If there are perennial or intermittent stream impacts (including temporary impacts) proposed on the site, then complete this
question for all stream sites impacted.
3a.
Stream impact
number - 3 b.
Type of impact 3c.
Stream name 3d.
Perennial 3e.
Type of jurisdiction 3f.
Average 3g.
Impact
Permanent (P) or (PER) or (Corps - 404, 10 stream length
Temporary (T) intermittent DWQ - non-404, width (linear
(INT)? other) (feet) feet)
S1 X P O T Pipe Culvert UT to Hunting X PER X Corps
Creek ? INT X DWQ 5 50
S1 ? P X T Dewatering UT
to
Hunting X PER X Corps
C
reek
?
INT X DWQ
5
60
S2 ? P ? T ? PER ? Corps
? INT ? DWQ
S2 ? P ? T ? PER ? Corps
? INT ? DWQ
S3 ? P ? T ? PER ? Corps
? INT ? DWQ
S5 ? P ? T ? PER ? Corps
? INT ?DWQ
3h. Total stream and tributary impacts 110
3i. Comments: 50 feet of permanent and 60 feet of temoorarv imnactc
Page 4 of 10
PCN Form.- Version 1.3 December 10, 2008 Version
4. Open Water Impacts
If there are proposed impacts to lakes, ponds, estuaries, tributaries, sounds, the Atlantic Ocean, or any other open water of
the U.S. then individual) list all open water im acts below.
4a. 4b. 4c. 4d. 4e.
Open water Name of waterbody
impact number - (if applicable) Type of impact Waterbody type Area of impact (acres)
Permanent(P)or
Temporary T
01 ?P?T
02 ?P?T
03 ?P?T
04 ?P?T
0. Total open water impacts
4g. Comments:
5. Pond or Lake Construction
If and or lake construction proposed, then complete the chart below.
5a. 5b. 5c. 5d. 5e.
Pond ID Wetland Impacts (acres) Stream Impacts (feet) Upland
b Proposed use or purpose (acres)
num
er of pond
Flooded Filled Excavated Flooded Filled Excavated Flooded
P1
P2
5f. Total
5g. Comments:
51h. Is a dam high hazard permit required?
? Yes ? No if yes, permit ID no:
5i. Expected pond surface area (acres):
5j. Size of pond watershed (acres):
5k. Method of construction:
6. Buffer Impacts (for DWQ)
If project will impact a protected riparian buffer, then complete the chart below. If yes, then individually list all buffer impacts
below. If an impacts require mitigation, then you MUST fill out Section D of this form.
6a.
? Neuse ?Tor-Pamlico ? Other:
Project is in which protected basin? ? Catawba ? Randleman
6b. 6c. 6d. 6e. 6f. 6g.
Buffer impact
number - Reason Buffer Zone 1 impact Zone 2 impact
Permanent (P) or for Stream name mitigation (square feet) (square feet)
Temporary T impact required?
B1 ?P?T ?Yes
? No
62 ?P?T ?Yes
? No
B3 ?P?T ?Yes
? No
6h. Total buffer impacts
6i. Comments:
Page 5 of 10
D. Impact Justification and Mitigation
1. Avoidance and Minimization
la. Specifically describe measures taken to avoid or minimize the proposed impacts in designing project.
Minimum pipe length used to obtain needed typical section, alignment and shoulder width for safety.
1 b. Specifically describe measures taken to avoid or minimize the proposed impacts through construction techniques.
N/A
2. Compensatory Mitigation for Impacts to Waters of the U.S. or Waters of the State
2a. Does the project require Compensatory Mitigation for
impacts to Waters of the U.S. or Waters of the State? X Yes ? No
21b. If yes, mitigation is required by (check all that apply): ? DWQ X Corps
2c. If yes, which mitigation option will be used for this
project? ? Mitigation bank
El Payment to in-lieu fee program
X Permittee Responsible Mitigation
3. Complete if Using a Mitigation Bank
3a. Name of Mitigation Bank:
3b. Credits Purchased (attach receipt and letter) Type Quantity
3c. Comments:
4. Complete if Making a Payment to In-lieu Fee Program
4a. Approval letter from in-lieu fee program is attached. ? Yes
4b. Stream mitigation requested: linear feet
4c. If using stream mitigation, stream temperature: ? warm ? cool ?cold
4d. Buffer mitigation requested (DWQ only): square feet
4e. Riparian wetland mitigation requested: acres
4f. Non-riparian wetland mitigation requested: acres
4g. Coastal (tidal) wetland mitigation requested: acres
4h. Comments:
5. Complete if Using a Permittee Responsible Mitigation Plan
5a. If using a permittee responsible mitigation plan, provide a description of the proposed mitigation plan. NC DOT
Page 6 of 10
PCN Form -Version 1.3 December 10, 2008 Version
6. Buffer Mitigation (State Regulated Riparian Buffer Rules) -required by DWQ
6a. Will the project result in an impact within a protected riparian buffer that requires ? Yes X No
buffer mitigation?
61b. If yes, then identify the square feet of impact to each zone of the riparian buffer that requires mitigation. Calculate the
amount of mitigation required.
Zone 6c.
Reason for impact 6d.
Total impact
Multiplier 6e.
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
1 a . Does the project include or is it adjacent to protected riparian buffers identified
within one of the NC Riparian Buffer Protection Rules? ? Yes X No
1 b . If yes, then is a diffuse flow plan included? If no, explain why.
Comments: Yes No
? ?
2. Stormwater Management Plan
2a . What is the overall percent imperviousness of this project? N/A
2b . Does this project require a Stormwater Management Plan? X Yes ? No
2c . If this project DOES NOT require a Stormwater Management Plan, explain why
2d . If this project DOES require a Stormwater Management Plan, then provide a brief, narrative description of the plan:
The project will use BMP's to the Maximum Extent Practicable (MEP) in compliance with NCDOT's NPDES Permit No.
000250 Post Construction Stormwater Program.
? Certified Local Government
2e. Who will be responsible for the review of the Stormwater Management Plan? X DWQ Stormwater Program
? DWQ 401 Unit
3. Certified Local Government Stormwater Review
3a. In which local government's jurisdiction is this project? N/A
? Phase II
31b. Which of the following locally-implemented stormwater management programs [J NSW
? USMP
apply (check all that apply): ? Water Supply Watershed
X Other: N/A
3c. Has the approved Stormwater Management Plan with proof of approval been ? Yes ? No
attached?
4. DWQ Stormwater Program Review
? Coastal counties
4a.
Which of the following state-implemented stormwater management programs apply ? HQW
? ORW
(check all that apply): ? Session Law 2006-246
X Other: N/A
4b. Has the approved Stormwater Management Plan with proof of approval been
attached? ? Yes ? No
5. DWQ 401 Unit Stormwater Review
5a. Does the Stormwater Management Plan meet the appropriate requirements? ? Yes ? No
5b. Have all of the 401 Unit submittal requirements been met? ? Yes ? No
Page 8 of 10
PCN Form.- Version 1.3 December 10, 2008 Version
F. Supplementary Information
1. Environmental Documentation (DWQ Requirement)
la . Does the project involve an expenditure of public (federal/state/local) funds or the
use of public (federal/state) land? El Yes ? No
1b . If you answered "yes" to the above, does the project require preparation of an
environmental document pursuant to the requirements of the National or State ? Yes ® No
(North Carolina) Environmental Policy Act (NEPA/SEPA)?
1c . If you answered "yes" to the above, has the document review been finalized by the
State Clearing House? (If so, attach a copy of the NEPA or SEPA final approval
letter.) ? Yes ? No
Comments:
2. Violations (DWQ Requirement)
2a. Is the site in violation of DWQ Wetland Rules (15A NCAC 2H .0500), Isolated
Wetland Rules (15A NCAC 2H .1300), DWQ Surface Water or Wetland Standards, ? Yes ® No
or Riparian Buffer Rules (15A NCAC 2B .0200)?
2b. Is this an after-the-fact permit application? ? Yes ® No
2c. If you answered "yes" to one or both of the above questions, provide an explanation of the violation(s):
3. Cumulative Impacts (DWQ Requirement)
3a. Will this project (based on past and reasonably anticipated future impacts) result in
additional development, which could impact nearby downstream water quality? ? Yes ®No
31b. 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.
4. Sewage Disposal (DWQ Requirement)
4a. Clearly detail the ultimate treatment methods and disposition (non-discharge or discharge) of wastewater generated from
the proposed project, or available capacity of the subject facility.
N/A
Page 9 of 10
PCN Form -Version 1.3 December 10, 2008 Version
S. Endangered Species and Designated Critical Habitat (Corps Requirement)
5a. Will this project occur in or near an area with federally protected species or
habitat? ? Yes No
5b. Have you checked with the USFWS concerning Endangered Species Act
impacts? ? Yes No
5c. If yes, indicate the USFWS Field Office you have contacted ? Raleigh
. ? Asheville
5d. What data sources did you use to determine whether your site would impact Endangered Species or Designated Critical
Habitat?
NC Natural Heritage distribution/habitat mapping, field survey
6. Essential Fish Habitat (Corps Requirement)
6a. Will this project occur in or near an area designated as essential fish habitat? ? Yes ® No
66. What data sources did you use to determine whether your site would impact Essential Fish Habitat?
Current Maps/Database
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
status (e.g., National Historic Trust designation or properties significant in
? Yes ®No
North Carolina history and archaeology)?
7b. What data sources did you use to determine whether your site would impact historic or archeological resources?
Current Maps/Database
8. Flood Zone Designation (Corps Requirement)
8a. Will this project occur in a FEMA-designated 100-year floodplain? ? Yes ®No
8b. If yes, explain how project meets FEMA requirements:
8c. What source(s) did you use to make the floodplain determination? Current FEMA Maps
Roger D. Bryan n 3/25/2011
Applicant/Agent's Printed Name pplicant/Agebt's Signature Date
(Agent's signature is valid only if an authorization letter from the applicant
is rovided.
Page 10 of 10
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Name: MORGANTON NORTH Location: 035.7546521° N 081.6415771° W
Date: 3/25/2011 Caption: SR 1591 Eastbrook Circle
Scale: 1 inch equals 1000 feet Burke County, NC
Figure 1. SR 1591 Eastbrook Circle, LIT to Hunting Creek, Burke County, NC.
1'
1
l
1
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i
PROPOSED ROAD ADDITION
COUNTY: Burke
PROJECT New Addition: Eastbrook Circle
WORK TYR& grade, drain, base, erosion control
LOCATION From SR. 1520. 0.21 miles north of
SR. 1591, thence north for 0.28 miles
WBS ELEMENT NO: 13C. 012 3C(
I (ate
W
SHEET 1 OF 9
TOWNSHIP: Morganton
LENGTH: 1,493 feet, 0.28 miles
Division File Number: 12.0797
CONSTRUCTION W. O. NO.
DATE: 1/18/2011 SCALE: V=50' DRAWN BY: D.G.M.
NOTES AND PROVISIONS PERTAINING TO STRAIGHT LINE DIAGRAM
1. Driveway pipes to be furnished and installed as needed by the Department of Transportation
crews in existing drives.
2. Any asphalt or concrete drives cut off during construction of road will not be replaced.
3. Fences to be moved off right of way by property owner and not reset on the right of way. If
property owner elects not to move fence off right of way, fence will be removed by the
Department of Transportation during construction of road and not reset.
4. Use erosion control plan for erosion control purposes only.
?,eG5lonl L.` .
v T'
1
Page 1
NEW ADDITION
EASTBROOK CIRCLE
BURKE COUNTY
TYPICAL SECTION
GO' EXISTING R/W
O'
n,
SHEET 2 OF 9
7,
PAVEMENT
R /'W
?- 6'? _ I:I SLOPE
L I/' PER FT. SLOPE
A. FILL SLOPE 2 :I 6' ABC COMPACTED
B. SHOULDER SLOPE I' PER FT. 9' ABC LOOSE
C. DITCH SLOPE 3 :I TONS (DRIVES)
STONE BY
0. CUT SLOPE 1112:1 TONS (INTERS.) PO
- TONS (ROAD)
TONS (TOTAI )
1
l
1
1
1
1
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SHEET 3 OF 9
FULL
SUPERELEVATION
FULL SUPERELEVATION
_ SECTION - EE
2/3
SUPERELEVATION
2/3 S UPERELEVATION
P. C. OR P. T.
SECTION - DO
SUPERELEVATION
NORMAL CROWN NORMAL CROWN
SECTION - CC
LEVEL NORMAL CROWN
SECTION - BB
NORMAL CROWN NORMAL CROWN
SECTION - AA
STANDARD METHOD FOR OBTAINING SUPERELEVATION
2 LANE PAVEMENTS
Ideally. 2/3 of superelevation is obtained at P. C. or P. T.
as shown on Section - DO
Example: if maximum superelevation is +.06 -.06. the 5uperelevotion
at the point of curve or point of tangent is +.04 -.04
.06 X 2/3 : .04
Superelevation for 18' Pavement
02
.04
.06
.08
Normal Crown
0.4' E.P. to E.P.
0.7' E.P. to E.P.
1.1' E.P. to E.P.
1.4' E.P. to E.P.
- 0.2
1
Sheet 4 of 9
EROSION CONTROL PLAN SHEET
1 Generally, the order of installation of the erosion control measures will be as
follows:
Temporary silt basins shall be installed before clearing and
grubbing begins.
:• j
Silt fences and temporary silt ditches shall be installed after
l
c
earing and before grading.
Temporary stone ditch checks shall be installed as soon as
ditch line is established.
Pipe outlet and inlet protection will be done as soon as the
pipe is installed.
Seeding and other permanent erosion control measures are
to be implemented as soon as practical.
Temporary rock silt checks (type B) will be spaced as required
by percent of grade as described on page VI-16 in the Erosion
And Sedimentation Guidelines.
No. 5 stone, or equivalent, will be used in conjunction with
temporary rock silt check Type-B in locations where water is
leaving the project or entering a pipe.
For silt basin size see attached plans. Basins are to be cleaned out when half
full.
Per permit conditions for Corps of Engineers and the Wildlife Resources
Commission, all pipes in streams 48" or greater must be buried 12" below _
streambed elevation. Pipes less than 48" must be buried with 20% of the
diameter below streambed elevation.
Sheet 5 of 9
PIPE INSTALLATION NOTES
1) Install erosion control devices. Pipe to be placed in the dry.
2) Remove material and existing pipe while limiting, as much as possible,
material and sediment from entering the stream and/or escaping from project.
3) Prepare pipe foundation while again taking care to limit, as much as possible
material and sediment from entering the stream and/or escaping from project.
Where possible, new grade will be below existing streambed.
4) Place the new pipe and compact backfill.
5) Install slope protection on outlet and inlet ends of pipe. Also complete
installation of erosion control measures and perform maintenance as needed
on existing measures.
6) Establish permanent vegetation as soon as possible.
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SHEET 7 OF 9
EROSION CONTROL
DETAILS AND
SPECIFICATIONS
1
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1630.03
1630.05
1605.01
1605.02
1622.01
1630.01
1630.02
1633.01
1633.02
1634.01
1634.02
1635.01
1635.02
1636.01
1630.04
1632.01
1632.02
Descnptinn
Temporary Silt Ditch
Temporary Diversion
Temporary Silt Fence
Special Sediment Control Fence
temporary Slope Drain
Silt Basin Type A
Silt Basin Type B
Temporary Rock Silt Check Type A -
Temporary Rock Silt Check Type B -
Temporary Rock Sediment Dam Type A -
Temporary Rock Sediment Dam Type B -
Rock Pipe Inlet Sediment Trap Type A -
Rock Pipe Inlet Sediment Trap Type B -
Rock Silt Screen
Stilling Basin
Bock Inlet SPdimeo Trap
Type A
Type B
1632.03 Type C
868.01 Rip Rap
Pipe Outlet Energy. Disipator
Ditch Liner
Pipe Outlet or Inlet Stabilization
Environmentally Sensitive Area
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A
B
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OR A
Bo. OR - B
00
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D
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SHEET 8 OF 9
ROCK SILT CHECKS - OUTLET -OF PIPE
(WIDTH OF ROCK AT THE OUTLET END TO BE 3 TIMES THE DIAMETER
OF THE PIPE AND TAPERED INTO EXISTING DITCH)
_ MttIN.II
5-
18' CSP
RR 18
MIN.
6'
XI IN H
24' CSP
RR 24
MAIN.
?• 8'
EXISTING DITCH 7.5'
30' CSP
RR 30
MIN.
9'
EXISTING DITCH q•
36' CSP
RR 36
MIN.
II'
EXISTING DITCH 10.5'
42' CSP
RR 42
Mz .
EXISTING DITCH 2•
48' CSP
RR 48
1 i
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1 I New Addition, Eastbrook Circle: Begin project at survey station 0+00
I in the center of SR. 1520, 0.21 miles northerly of SR. 1591, thence in
_I -- a northerly direction for a distance of 1,493 feet, 0.28 miles, to the
end of project at survey station 14+93 in the center of SR. 1591.
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