HomeMy WebLinkAbout20130494 Ver 1_401 Application_201305132050 Northpoint Drive • Suite A • Winston - Salem, NC 27106
896 -1300 phone 336 - 896 -1020 fax www.geotec.com
TO:
Karen Higgins
NC DWQ 401Metlands Unit
1650 Mail Service Center
Suite 250
Raleigh, NC 27699 -1650
WE ARE SENDING YOU:
20130494
Letter of Transmittal
Date: 5/1/13
GeoSci Job # 12.235
Danch- Streambank Stabilization
FROM: John Butler .
ED
9
ti
X Attached Under separate cover via
the following:
COPIES
DESCRIPTION d
3
Construction Drawings (3) —11 X 17 d
2
Construction drawings (2)- 24 X 36
5
Project Narrative
5
PCN Applications and Agent Authorization
1
PCN Fee Check - $240 �t ZE
5
USGS Quad Maps
THESE ARE TRANSMITTED AS CHECKED BELOW:
OX For Approval 0 Approved as Submitted
0 For Your Use
0 As Requested
0 For Review and Comment
0 For bids:
Time: Date:
DI MADWQ-
Approved as Noted
0 Revise and resubmit/for your use
0 Prints returned after review /use
0 Other:
Attached are construction drawings and PCN's for a stream stabilization project in Winston -
Salem, NC. Please contact me with questions or comments.
0 =4211 Wr
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1
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April 30, 2013
NCDENR - DWQ
585 Waughtown Street
Winston- Salem, NC 27107
This letter is intended to clarify our plan for stream stabilization required at 550 Kelway Place in
Winston - Salem, NC. Please refer to our submitted plans and PCN in reference to this letter.
This project is intended to repair erosion caused by an unnamed tributary of Muddy Creek. The
erosion has occurred in a stream bend, causing the stream bank to incise to near vertical,
threatening an existing pool, pool deck, and cabana at a single family residence.
Our intention is to remove the bend, which appears to have been caused by fallen trees and
subsequent entangled debris, and divert the stream flow away from the structures. Compacted fill
will be placed to replace lost soil, and then protected using filter fabric and class I rip -rap backed
by Geolifts.
Work will be limited to periods of dry weather to the greatest extent possible. A temporary sand
bag coffer dam with pumps sufficient to pump the normal stream flow around the work site will
be provided so that equipment will not be directly in the stream.
Please include this letter with our submitted plans and PCN. I am sure that the contractor can
keep impacts to the stream minimized while constructing the repairs. We will be providing
project testing and oversight throughout the process. I hope that this letter will serve to expedite
the approval of our plans.
If you have any questions, please call.
Thank you for allowing us to be of service.
Sincerely,
Geoscience & Technology, PA
Q t
ohn A. Butler
Project Engineer
MAY
2013
Ada a i 6UAL171(
AGENT AUTHORIZATION FORM
PROPERTY LEGAL DESCRIPTION: DB 2360, PG 663
LOT NO.: 14
PARCEL ID: 6805 -14- 3678.00
STREET ADDRESS: 550 Kelway Place, Winston - Salem, NC
PROPERTY OWNER: Michael Danch
The undersigned, registered property owner of the above noted property, do hereby
authorize Geoscience and Technology. PA of Winton - Salem. NC
to act on my behalf and take all actions necessary for the processing, issuance and
acceptance of this permit or certification and any and all standard and special conditions
attached.
Property Owner's Address (if different than property above):
Telephone: 1312) 493 -1769
We hereby certify the above information submitted in
this application is true and accurate to the best u le
c�6
A thorized Signature Authorized Sig ture
Date Date �z
6;
eo sc2c2
' OF WATE9
\off pG Office Use Only:
2 0 1 3 0 4 9 4 Corps action ID no.
DWQ project M ° p no.
Form Version 1.3 Dec 10 2008
Pre - Construction Notification PC Form
A. Applicant Information
1. Processing
1 a. Type(s) of approval sought from the
Corps:
® Section 404 Permit ❑ Section 101Qermit
I
1 b. Specify Nationwide Permit (NWP) number: 13 or General Permit (GP) number:
1c. Has the NWP or GP number been verified by the Corps?
❑ Yes
® No
1d. Type(s) of approval sought from the DWQ (check all that apply):
® 401 Water Quality Certification — Regular ❑ Non -404 Jurisdictional General Permit
❑ 401 Water Quality Certification — Express ❑ Riparian Buffer Authorization
le. Is this notification solely for the record
because written approval is not required?
For the record only for DWQ 401
Certification:
❑ Yes ® No
For the record only for Corps Permit:
❑ Yes ® No
1f. Is payment into a mitigation bank or in -lieu fee program proposed for mitigation
of impacts? If so, attach the acceptance letter from mitigation bank or in -lieu
fee program.
❑ Yes
® No
1g. Is the project located in any of NC's twenty coastal counties. If yes, answer 1 h
below.
❑ Yes
® No
1 h. Is the project located within a NC DCM Area of Environmental Concern (AEC)?
❑ Yes
® No
2. Project Information
2a. Name of project:
550 Kelway Place Stream Bank Stabilization
2b. County:
Forsyth
2c. Nearest municipality / town:
Winston -Salem
2d. Subdivision name:
NA
2e. NCDOT only, T.I.P. or state
project no:
" .
3. Owner Information �-•
By
3a. Name(s) on Recorded Deed:
Michael Danch MAY ,
3b. Deed Book and Page No.
db 2360 pg 663
3c. Responsible Party (for LLC if
applicable):
Michael Danch s- WAS U
T1'
3d. Street address:
550 Kelway Place
-
3e. City, state, zip:
Winston- Salem, NC 27103
3f. Telephone no.:
312 -493 -1769
3g. Fax no.:
3h. Email address:
danch.michael @gst.com
Page 1 of 11
PCN Form — Version 1.3 December 10, 2008 Version
4. Applicant Information (if different from owner)
4a. Applicant is:
® Agent ❑ Other, specify:
4b. Name:
4c. Business name
(if applicable):
4d. Street address:
4e. City, state, zip:
4f. Telephone no.:
4g. Fax no.:
4h. Email address:
5. AgentlConsultant Information (if applicable)
5a. Name:
John A. Butler
5b. Business name
(if applicable):
Geoscience & Technology, P.A.
5c. Street address:
2050 Northpoint Drive
5d. City, state, zip:
Winston- Salem, NC 27106
5e. Telephone no.:
336.896.1300
5f. Fax no.:
336.896.1020
5g. Email address:
cvi @geotec.com
Page 2 of 11
PCN Form — Version 1.3 December 10, 2008 Version
B. Project Information and Prior Project History
1. Property Identification
1a. Property identification no. (tax PIN or parcel ID):
6805 -14- 3678.00
Latitude: 36 -05 -27.3 Longitude: - 80 -20-
1 b. Site coordinates (in decimal degrees):
57.25
(DD.DDDDDD) (- DD.DDDDDD)
1c. Property size:
1.06 acres
2. Surface Waters
2a. Name of nearest body of water (stream, river, etc.) to
Muddy Creek
proposed project:
2b. Water Quality Classification of nearest receiving water:
C
2c. River basin:
j Yadkin- Pee Dee
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:
The site is approximately 1.06 acres in size. Ground cover is approximately 20% impervious. Its current use is single
family residential. The land uses in the surrounding area are predomominantly residential as well. The unnamed stream
runs from north to south and transects the property. The stream is deeply incised at the repair location with near vertical
bank heights at the waters edge exceeding 8 feet in height. A pool house and swimming pool are in close proximity to the
vertically incised bank and are endangered by a potential slide.
3b. List the total estimated acreage of all existing wetlands on the property:
0
3c. List the total estimated linear feet of all existing streams (intermittent and perennial) on the property:
128
3d. Explain the purpose of the proposed project:
The purpose of this project is to reroute the stream so that it will not erode the stream bank and cause the pool and pool
deck to slide into the stream.
3e. Describe the overall project in detail, including the type of equipment to be used:
The stream will be realigned to remove a hair pin turn and divert the erosive forces of the stream away from the pool and
pool house. The new stream banks will be reinforced with rip-rap and geolifts. This site will require the following
equipment; trackhoe, backhoe, walk behind vibratory roller, bobcat/mini- excavator.
4. Jurisdictional Determinations
4a. Have jurisdictional wetland or stream determinations by the
Corps or State been requested or obtained for this property /
❑ Yes ® No ❑ Unknown
project (including all prior phases) in the past?
Comments:
4b. If the Corps made the jurisdictional determination, what type
El Preliminary [I Final
of determination was made?
4c. If yes, who delineated the jurisdictional areas?
Agency /Consultant Company:
Name (if known):
Other:
4d. If yes, list the dates of the Corps jurisdictional determinations or State determinations and attach documentation.
5. Project History
5a. Have permits or certifications been requested or obtained for
❑ Yes ® No ❑ Unknown
this project (including all prior phases) in the past?
5b. If yes, explain in detail according to "help file" instructions.
Page 3 of 11
PCN Form — Version 1.3 December 10, 2008 Version
6. Future Project Plans
6a. Is this a phased project? ❑ Yes ® No
6b. If yes, explain.
Page 4 of 11
PCN Form — Version 1.3 December 10, 2008 Version
C. Proposed Impacts Inventory
1. Impacts Summary
1 a. Which sections were completed below for your project (check all that apply):
❑ Wetlands ® Streams - tributaries ❑ Buffers
❑ Open Waters ❑ Pond Construction
2. Wetland Impacts
If there are wetland impacts proposed on the site, then complete this question for each wetland area impacted.
2a.
2b.
2c.
2d.
2e.
2f.
Wetland impact
Type of jurisdiction
number —
Type of impact
Type of wetland
Forested
(Corps - 404, 10
Area of impact
Permanent (P) or
(if known)
DWQ — non -404, other)
(acres)
Temporary
W1 ❑ P [IT
❑ Yes
❑ Corps
❑ No
❑ DWQ
W2 ❑ P ❑ T
❑ Yes
❑ Corps
❑ No
❑ DWQ
W3 ❑ P ❑ T
❑ Yes
❑ Corps
❑ No
❑ DWQ
W4 ❑ P ❑ T
❑ Yes
❑ Corps
❑ No
❑ DWQ
W5 ❑ P ❑ T
❑ Yes
❑ Corps
❑ No
❑ DWQ
W6 ❑ P [IT
❑ Yes
❑ 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.
3b.
3c.
3d.
3e.
3f.
3g.
Stream impact
Type of impact
Stream name
Perennial
Type of jurisdiction
Average
Impact
number -
(PER) ) or
(Corps - 404, 10
stream
length
Permanent (P) or
intermittent
DWQ — non -404,
width
(linear
Temporary m
(INT)?
other)
(feet)
feet)
S1 ®P ❑ T
Rip -Rap &
Geolifts for Bank
Unnamed
® PER
❑INT
® Corps
®DWQ
8 tob -tob
128
Stabilization
S2 [:1 P [:1 T
[:1 PER
El Corps
❑ INT
❑ DWQ
S3 ❑ P ❑ T
❑ PER
® Corps
❑ INT
® DWQ
S4 ❑ P ❑ T
❑ PER
❑ Corps
❑ INT
❑ DWQ
S5 ❑ P [IT
❑ PER
❑ Corps
❑ INT
❑ DWQ
S6 ❑ P ❑ T
❑ PER
❑ Corps
❑ INT
❑ DWQ
3h. Total stream and tributary impacts
128
3i. Comments: Impact length measured at existing stream centerline.
Page 5 of 11
PCN Form — Version 1.3 December 10, 2008 Version
4. Open Water Impacts
If there are proposed impacts to lakes, ponds, estuaries, tributaries, sounds, the Atlantic Ocean, or any other open water of
the U.S. then individually list all open water impacts below.
4a.
4b.
4c.
4d.
4e.
Open water
Name of waterbody
impact number —
(if applicable)
Type of impact
Waterbody type
Area of impact (acres)
Permanent (P) or
Tem ora
01 ❑P [IT
02 ❑P [IT
03 ❑P ❑T
04 ❑P ❑T
4E Total open water impacts
4g. Comments:
5. Pond or Lake Construction
If pond or lake construction proposed, then complete the chart below.
5a.
5b.
5c.
5d.
5e.
Wetland Impacts (acres)
Stream Impacts (feet)
Upland
Pond ID
Proposed use or purpose
(acres)
number
of pond
Flooded
Filled
Excavated
Flooded
Filled
Excavated
Flooded
P1
P2
K Total
5g. Comments:
5h. Is a dam high hazard permit required?
❑ Yes ❑ No If yes, permit ID no:
5i. Expected pond surface area (acres):
5j. Size of pond watershed (acres):
5k. Method of construction:
S. 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.
❑ Neuse ❑ Tar - Pamlico ❑ Other: Yadkin -Pee
Project is in which protected basin?
Dee
❑ 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
impact
required?
B1 ❑P [IT
❑Yes
❑ No
B2 ❑P ❑T
El Yes
❑ No
B3 ❑P ❑T
El Yes
❑ No
6h. Total buffer impacts
6i. Comments:
Page 6 of 11
PCN Form —Version 1.3 December 10, 2008 Version
D. Impact Justification and Mitigation
1. Avoidance and Minimization
1a. Specifically describe measures taken to avoid or minimize the proposed impacts in designing project.
Single equipment access point provided and no additional access points will be allowed. Permanent hard reinforcement
determined to be only stable stream reinforcement technique due to existing soil conditions and flows expected.
1 b. Specifically describe measures taken to avoid or minimize the proposed impacts through construction techniques.
Banks will be stabilized as fill is placed. Erosion control measures per the plan.
2. Compensatory Mitigation for Impacts to Waters of the U.S. or Waters of the State
2a. Does the project require Compensatory Mitigation for
impacts to Waters of the U.S. or Waters of the State?
❑ Yes ® No
2b. If yes, mitigation is required by (check all that apply):
❑ DWQ ❑ Corps
2c. If yes, which mitigation option will be used for this
project?
❑ Mitigation bank
❑ Payment to in -lieu fee program
❑ Permittee Responsible Mitigation
3. Complete if Using a Mitigation Bank
3a. Name of Mitigation Bank:
3b. Credits Purchased (attach receipt and letter)
Type
Quantity
3c. Comments:
4. Complete if Making a Payment to In -lieu Fee Program
4a. Approval letter from in -lieu fee program is attached.
❑ Yes
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.
Page 7 of 11
PCN Form — Version 1.3 December 10, 2008 Version
6. Buffer Mitigation (State Regulated Riparian Buffer Rules) — required by DWQ
6a. Will the project result in an impact within a protected riparian buffer that requires
buffer mitigation?
❑ Yes ® No
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.
Zone
6c.
Reason for impact
6d.
Total impact
(square feet)
Multiplier
6e.
Required mitigation
(square feet)
Zone 1
3 (2 for Catawba)
Zone 2
1.5
6f. Total buffer mitigation required:
6g. If buffer mitigation is required, discuss what type of mitigation is proposed (e.g., payment to private mitigation bank,
permittee responsible riparian buffer restoration, payment into an approved in -lieu fee fund).
6h. Comments:
Page 8 of 11
PCN Form — Version 1.3 December 10, 2008 Version
E. Stormwater Management and Diffuse Flow Plan (required by DWQ)
1. Diffuse Flow Plan
1a. Does the project include or is it adjacent to protected riparian buffers identified
❑ Yes ® No
within one of the NC Riparian Buffer Protection Rules?
1 b. If yes, then is a diffuse flow plan included? If no, explain why.
❑Yes No
❑
Comments:
2. Stormwater Management Plan
2a. What is the overall percent imperviousness of this project?
0 - No Change %
2b. Does this project require a Stormwater Management Plan?
❑ Yes ® No
2c. If this project DOES NOT require a Stormwater Management Plan, explain why: This is a repair project. No new
development of impervious area.
2d. If this project DOES require a Stormwater Management Plan, then provide a brief, narrative description of the plan:
❑ Certified Local Government
2e. Who will be responsible for the review of the Stormwater Management Plan?
❑ DWQ Stormwater Program
❑ DWQ 401 Unit
3. Certified Local Government Stormwater Review
3a. In which local government's jurisdiction is this project?
Winston- Salem/Forsyth County
® Phase II
3b. Which of the following locally- implemented stormwater management programs
❑ NSW
❑ USMP
apply (check all that apply):
❑ Water Supply Watershed
❑ Other:
3c. Has the approved Stormwater Management Plan with proof of approval been
❑ 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
❑ Other:
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 9 of 11
PCN Form — Version 1.3 December 10, 2008 Version
F. Supplementary Information
1. Environmental Documentation (DWQ Requirement)
1 a. Does the project involve an expenditure of public (federal /state/local) funds or the
❑ Yes ® No
use of public (federal /state) land?
1b. If you answered "yes" to the above, does the project require preparation of an
environmental document pursuant to the requirements of the National or State
❑ Yes ❑ No
(North Carolina) Environmental Policy Act (NEPA/SEPA)?
1c. If you answered "yes" to the above, has the document review been finalized by the
State Clearing House? (If so, attach a copy of the NEPA or SEPA final approval
❑ Yes ❑ No
letter.)
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 26.0200)?
2b. Is this an after - the -fact permit application?
❑ Yes ® No
2c. If you answered "yes" to one or both of the above questions, provide an explanation of the violation(s):
3. Cumulative Impacts (DWQ Requirement)
3a. Will this project (based on past and reasonably anticipated future impacts) result in
❑ Yes ® No
additional development, which could impact nearby downstream water quality?
3b. If you answered "yes" to the above, submit a qualitative or quantitative cumulative impact analysis in accordance with the
most recent DWQ policy. If you answered "no," provide a short narrative description.
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 10 of 11
PCN Form — Version 1.3 December 10, 2008 Version
5. Endangered Species and Designated Critical Habitat (Corps Requirement)
5a. Will this project occur in or near an area with federally protected species or
❑ Yes ® No
habitat?
5b. Have you checked with the USFWS concerning Endangered Species Act
❑ Yes ® No
impacts?
5c. If yes, indicate the USFWS Field Office you have contacted.
El Raleigh
❑ Asheville
5d. What data sources did you use to determine whether your site would impact Endangered Species or Designated Critical
Habitat?
Physical observation of the surrounding area - heavily developed residential use. There is no habitat for the red -
cockaded woodpecker or the bog turtle per USFWS website.
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?
This is a class C urban creek. There is no essential fish habitat.
7. Historic or Prehistoric Cultural Resources (Corps Requirement)
7a. Will this project occur in or near an area that the state, federal or tribal
governments have designated as having historic or cultural preservation
❑ Yes ® No
status (e.g., National Historic Trust designation or properties significant in
North Carolina history and archaeology)?
7b. What data sources did you use to determine whether your site would impact historic or archeological resources?
North Carolina State Historic Preservation Office Website; NC list of National Historic Register sites and recent
nominations. NC Office of State Archaeology website; list of archaeological sites.
8. Flood Zone Designation (Corps Requirement)
8a. Will this project occur in a FEMA- designated 100 -year floodplain? --FO
Yes ® No
8b. If yes, explain how project meets FEMA requirements: This site is not in a designated FEMA floodplain.
8c. What source(s) did you use to make the floodplain determination? FEMA (FIRM) flood map #3710680500J.
John A. Butler
Geoscience and Technology, PA
Applicant/Agent's Signature
Date
Applicant/Agent's Printed Name
(Agent's signature is valid only if an authorization letter from the applicant
is provided.)
Page 11 of 11
PCN Form — Version 1.3 December 10, 2008 Version
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ENGINEERING CONSULTANT
GE ❑SCIENCE & TECHNOLOGY
a 2050 N❑RTHPOINT DRIVE
WINSTON— SALEM, N.C. 27106 SCALE: 1 = 5001
a PHONE (336) 696 -1300
REVNO. DRAWN BY DESCRIPTION DATE USGS QUADRANGLE MAP
550 KELWAY PLACE
WINSTON- SALEM, NORTH CAROLINA
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CONSTRUCTION SEQUENCE:
1. LOCATE A SOURCE OF COHESIVE BACKFILL. CONTACT
ENGINEER TO SCHEDULE AN INSPECTION OF THE PROPOSED
BACKFILL AT THE BORROW SITE PRIOR TO IMPORTING ANY
BACKFILL TO THE SITE. THE SUITABILITY OF THE BACKFILL
SOURCE SHALL BE AT THE DISCRETION OF THE ENGINEER.
2. FLAG THE CLEARING LIMITS AS SHOWN ON THE PLAN.
CONTACT THE ENGINEER, AND ALL LAND OWNERS OF RECORD
TO VERIFY THAT CLEARING/DISTURBED LIMITS ARE ACCEPTABLE
PRIOR TO ANY CLEARING.
3. FLAG TREES TO BE REMOVED AND VERIFY REMOVAL WITH THE
LANDOWNER OF RECORD.
4. INSTALL TEMPORARY SURGE STONE CONSTRUCTION ROAD
FROM DRIVEWAY TO WORK AREA. PROVIDE FILTER FABRIC
UNDER SURGE STONE,
6. INSTALL THE TEMPORARY BRIDGE TO GAIN ACCESS TO THE
WORK AREA AND FINISH CLEARING. THE BRIDGE. SHALL BE
NOM I[NALLY AT THE TOP OF THE STREAM BANK.
6. STAKE NEW STREAM CENTERLINE AND OFFSETS. SCHEDULE A
MEETING WITH THE ENGINEER AND OWNERS OF ALL
PROPERTIES IMPACTED TO VERIFY THAT THE CHANNEL
ALIGNMENT IS ACCEPTABLE PRIOR TO BEGINNING EXCAVATION.
7. BEGIN EXCAVATING THE NEW CHANNEL FROM THE MIDPOINT
OF THE NEW ALIGNMENT. WORK UPSTREAM AND DOWNSTREAM,
BUT MALT EXCAVATION 6 FEET FROM THE EXISTING STREAM
BANK DO NOT OPEN THE NEW CHANNEL UP TO RECEIVE FLOW.
STOCKPILE QUALITY SOIL FOR USE AS GEOLIFT BACKFILL. ALL
UNSUITABLE SOIL SHALL BE HAULED OFF. THE QUALITY OF FILL
PLACED SHALL BE AT THE DISCRETION OF THE ENGINEER. LOW
QUALITY FILL (I.E. WET, TOPSOIL, ETC.) SHALL NOT BE USED.
8. BEGIN INSTALLING GEOLIFTS IN THE PARTIALLY EXCAVATED
CHANNEL PER THE CONSTRUCTION DETAIL. DO NOT OPEN NEW
CHANNEL UP TO STREAM FLOW.
8. INSTALL THE TEMPORARY SAND BAG COFFER DAM PRIOR TO
BEG[lINNING WORK IN THE STREAM ITSELF. PROVIDE A PUMP (OR
PUMPS) CAPABLE OF CONVEYING THE STREAM'S FLOW,
DISCHARGING THE HOSE DOWNSTREAM OF THE WORK AREA IN
A LOCATION WHERE IT WILL NOT CAUSE ADDITIONAL EROSION.
10. AFTER THE STREAM FLOW HAS BEEN DIVERTED BY THE
PUMIPS, COMPLETE EXCAVATION OF THE NEW CHANNEL
UPSTREAM AND DOWNSTREAM. COMPLETE CONSTRUCTION OF
THE GEOLIFTS UPSTREAM AND DOWNSTREAM.
11. AFTER THE NEW CHANNEL IS COMPLETE, REMOVE THE
TEMPORARY COFFER DAM AND PUMP TO ALLOW STREAM FLOW
THROUGH THE NEW CHANNEL.
12. BEGIN PLACING FILL TO ESTABLISH THE GRADES SHOWN ON
THE PLAN. ALL FILL SHALL BE COMPACTED TO AT LEAST 85% OF
THE SOILS OPTIMUM DRY DENSITY AS DETERMINED BY A
STANDARD PROCTOR TEST.
13. SEED ALL BARE AREAS PER SEEDING SPECIFICATIONS.
SEEDING SPECIFICATION SHALL BE APPROVED BY A LANDSCAPE
PROFESSIONAL AND ADJUSTED AS NECESSARY TO ENSURE
GROWTH.
14. INSTALL VEGETATION BETWEEN GEO LIFTS PER DETAIL AND
INSTALLATION NOTES. CUTTINGS SHALL BE INSTALLED IN THE
DOPjAANT SEASON.
GEtkERAL NOTES:
REVISIONS
SEAL i a
C•1179 CO.:
"
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5. HAVE ALL UNDERGROUND UTILITIES FIELD MARKED BY A
<
(FEDERAL, STATE, COUNTY, AND LOCAL) AND APPROVALS HAVE
DISTURBED LIMITS AND
NECESSARY TO AVOID DAMAGE TO UTILITIES. THE CONTRACTOR
BEEN OBTAINED PRIOR TO PROCEEDING WITH WORK ASSOCIATED
i
UTILITIES INCLUDING THE EXISTING SANITARY SEWER IN THE
y
WITH THESE DOCUMENTS.
SCALE: AS SHOWN
Z
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t)
i
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0
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NOT SHOWN ON THIS PLAN.
o
CONTRACTOR SHALL SCHEDULE ANY WORK WITHIN THE STREAM
TO COINCIDE WITH PERIODS OF FAVORABLE WEATHER
SHEET
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FORECASTS.
z
3. SCHEDULE A PRE - CONSTRUCTION CONFERENCE WITH OWNER,
THE [ENGINEER, AND ALL CONTRACTORS ASSOCIATED WITH THE
WCI RK.
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1 CO3 CO3 INTRACTOR SHALL ENSURE THAT ALL APPLICABLE PERMITS
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5. HAVE ALL UNDERGROUND UTILITIES FIELD MARKED BY A
<
(FEDERAL, STATE, COUNTY, AND LOCAL) AND APPROVALS HAVE
DISTURBED LIMITS AND
NECESSARY TO AVOID DAMAGE TO UTILITIES. THE CONTRACTOR
BEEN OBTAINED PRIOR TO PROCEEDING WITH WORK ASSOCIATED
i
UTILITIES INCLUDING THE EXISTING SANITARY SEWER IN THE
y
WITH THESE DOCUMENTS.
SCALE: AS SHOWN
Z
w
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0
0
i
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1
0
BID Illy ORDER TO COMPENSATE FOR ANY FIELD CONDITIONS THAT
ARE
CL
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NOT SHOWN ON THIS PLAN.
o
CONTRACTOR SHALL SCHEDULE ANY WORK WITHIN THE STREAM
TO COINCIDE WITH PERIODS OF FAVORABLE WEATHER
SHEET
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FORECASTS.
z
3. SCHEDULE A PRE - CONSTRUCTION CONFERENCE WITH OWNER,
THE [ENGINEER, AND ALL CONTRACTORS ASSOCIATED WITH THE
WCI RK.
1 CO3 CO3 INTRACTOR SHALL ENSURE THAT ALL APPLICABLE PERMITS
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5. HAVE ALL UNDERGROUND UTILITIES FIELD MARKED BY A
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(FEDERAL, STATE, COUNTY, AND LOCAL) AND APPROVALS HAVE
DISTURBED LIMITS AND
NECESSARY TO AVOID DAMAGE TO UTILITIES. THE CONTRACTOR
BEEN OBTAINED PRIOR TO PROCEEDING WITH WORK ASSOCIATED
ACCESS PLAID
I
UTILITIES INCLUDING THE EXISTING SANITARY SEWER IN THE
y
WITH THESE DOCUMENTS.
SCALE: AS SHOWN
0
z
EXPENSE OF THE CONTRACTOR.
DATE: 4.30 -13
2. THE CONTRACTOR SHALL VISIT THE SITE PRIOR TO MAKING A
PLAN ARE IN PLACE TO BEGINNING WORK IN THE STREAM.
0
BID Illy ORDER TO COMPENSATE FOR ANY FIELD CONDITIONS THAT
ARE
CONTRACTOR SHALL WORK DURING PERIODS OF LOW STREAM'
0
NOT SHOWN ON THIS PLAN.
IM
CONTRACTOR SHALL SCHEDULE ANY WORK WITHIN THE STREAM
TO COINCIDE WITH PERIODS OF FAVORABLE WEATHER
SHEET
c 1
FORECASTS.
z
3. SCHEDULE A PRE - CONSTRUCTION CONFERENCE WITH OWNER,
THE [ENGINEER, AND ALL CONTRACTORS ASSOCIATED WITH THE
WCI RK.
4 FLAG THE NEW CONSTRUCTION LIMITS AS INDICATED ON THE g
PLAN, DO NOT EXCEED PROPERTY BOUNDARIES WITHOUT t ! ; z
WRITTEN APPROVAL OF ADJACENT PROPERTY OWNERS. THE
EXISTING PROPERTY LINES ARE SHOWN APPROXIMATE. LOCATE 7, ( '
AND) FLAG PROPERTY CORNERS PRIOR TO BEGINNING WORK. A
LICENSED LAND SURVEYOR MAY BE NECESSARY TO ACCURATELY A T
IDENiIIFY PROPERTY CORNER LOCATIONS.
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5. HAVE ALL UNDERGROUND UTILITIES FIELD MARKED BY A
LICENSED UTILITY LOCATION SERVICE OR THE UTILITY OWNER AS
DISTURBED LIMITS AND
NECESSARY TO AVOID DAMAGE TO UTILITIES. THE CONTRACTOR
SHALL PROVIDE MEASURES TO PROTECT ALL UNDERGROUND
ACCESS PLAID
I
UTILITIES INCLUDING THE EXISTING SANITARY SEWER IN THE
WORK AREA. ALL DAMAGES TO EXISTING UTILITIES SHALL BE
SCALE: AS SHOWN
REPAIRED TO THE UTILITY OWNERS SATISFACTION AT THE SOLE
EXPENSE OF THE CONTRACTOR.
DATE: 4.30 -13
6. ENSURE THAT ANY EROSION CONTROL DEVICES SHOWN ON THE
PLAN ARE IN PLACE TO BEGINNING WORK IN THE STREAM.
PROJECT: 12.365
7 CHECK WEATHER CONDITIONS FOR THE WORK PERIOD. THE
CONTRACTOR SHALL WORK DURING PERIODS OF LOW STREAM'
DRAWN BY: JAB
FLOW WHEN WORKING DIRECTLY IN THE STREAM. THE
CONTRACTOR SHALL SCHEDULE ANY WORK WITHIN THE STREAM
TO COINCIDE WITH PERIODS OF FAVORABLE WEATHER
SHEET
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FORECASTS.
(V'.
% f
s /
EXISTC G CiiA
/ EXISTING
RETA11NING WALL
BRIAN & JESSJGA THACKER ,/ f
540 KELWAY PLACE
EX,IjSTING -' 001_
TEMPORARY C�,�C?FFER DAM AND
/ PUMPIAN EE CONSTRUCTION '� f
GENERAL NOTES:
1. ALL DESIGN CONTOURS AND SPOT ELEVATIONS REFLECT FINISHED GRADES.
2. EXISTING FEATURES AND TOPOGRAPHY ARE SHOWN PER AN INFORMAL FIELD
SURVEY BY GEOSCIENCE & TECHNOLOGY, PA AS WELL AS PUBLICLY AVAILABLE
INFORMATION OF RECORD.
3. PERMANENT FILL SLOPES SHALL BE PLACED ON A SUITABLE FOUNDATION AND
SHALL BE CONSTRUCTED AT 2H:1V (HORIZONTAL TO VERTICAL) OR FLATTER,
UNLESS OTHERWISE NOTED ON THE PLANS.
4. ANY PERMITS REQUIRED FOR OF SITE BORROW AND WASTE AREAS SHALL BE
THE RESPONSIBILITY OF THE CONTRACTOR.
S. ANY GRADING BEYOND THE LIMITS OF CONSTRUCTION SHOWN IS SUBJECT TO A
FINE.
6. CONTRACTOR SHALL INSTALL ANY EROSION CONTROL MEASURES SHOWN ON
THE PLAN PRIOR TO STARTING GRADING OPERATIONS. NO DEVICE MAY BE
REMOVED UNTIL SITE IS STABILIZED. NO DEVICE MAY BE REMOVED WITHOUT
AUTHORIZATION FROM THE ENGINEER.
7. THE CONTRACTOR SHALL BLEND NEW EARTHWORK SMOOTHLY WITH EXISTING
CONTOURS.
8. ALL DISTANCES ARE HORIZONTAL GROUND.
9. EXISTING UTILITIES SHOWN IN APPROXIMATE LOCATION PER INFORMATION ON
RECORD AND AN INFORMAL FIELD BY GEOSCIENCE. PRIOR TO COMMENCING WORK,
THE CONTRACTOR SHALL CONTACT A UTILITY LOCATING SERVICE SO THAT ACTUAL
UTILITY LOCATIONS CAN BE FIELD MARKED PRIOR TO BEGINNING CONSTRUCTION.
CONFLICTS WITH SITE IMPROVEMENTS SHALL BE IMMEDIATELY REPORTED TO THE
ENGINEER FOR RESOLUTION.
10. THE CONTRACTOR(S) SHALL CONTACT ALL OWNERS OF EASEMENTS, U11UTIES
AND RIGHT -OF -WAYS, PUBLIC OR PRIVATE, PRIOR TO WORKING IN THESE AREAS.
12. DAMAGE TO EXISTING INFRASTRUCTURE OCCURRING AS A RESULT OF
CONSTRUCTION ACTIVITIES SHALL BE REPAIRED AT THE SOLE EXPENSE OF THE
CONTRACTOR.
EQUENCE THIS SHE .
769 �` f / p(t
EXISTING
RE AINING WALL
768
MICHAEL DANCH / 3 /''--
550 KELWAY PLACE
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- EXISTING CREEK CENTERLINE
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NOTE: IMPACT LENGTH MEAS�IRED ALONG CENTERLI E OF THE EXISTING STREAM
j f /
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f
= 10 f�-
PROJECT NARRATIVE:
THIS PROJECT IS INTENDED IMPACT THE STREAM BANK ONLY WITHIN THE LIMITS AS SHOWN ON THIS
PLAMTHE INTENTION OF THIS PROJECT IS TO RELOCATE STREAM FLOW AWAY FROM THE EXISTING
POOL DECK AND RETAINING WALL. THIS WILL (ENTAIL THE REALIGNMENT OF THE STREAM
CENTERLINE, THE CONSTRUCTION OF GEOLIFTS, GRADING AS SHOWN, AND VEGETATIVE
STABILIZATION AS SPECIFIED. STREAM IMPACT LENGTH, AS MEASURED ALONG THE EXISTING
STREAM CENTERLINE, SHALL NOT EXCEED 128 LF. STREAM DISTURBANCE OUTSIDE THE LIMITS AS
PERMITTED BY NCDENR -WATER QUALITY DIVISION MAY INCUR FINES AND REPAIR OF DAMAGES OR
BOTH. THIS PROJECT IS NOT LOCATED WITHIN A FLOODPLAIN PER FEMA FIRM PANEL 3710680500J.
TEMP ®RAN PUMP
12 LF TEMPORARY
STREAM IMPACT LENGTIJ/'
/ 469.
CH /
'LACE
TEMPORARY BRIDGE
PROPOSED STREAM CENTERLINE
,--- /! 116 LF PERMANENT STREAM IMPAef LENGTH
/X I EXISTING STREAM CENTERLINE
. --v- `.- �1 `, -', _�
EXISTING TREE LINE
-- • —• —•— — --
PROPERTY LINE (APPROXIMATE)
752
EXISTING CONTOURS @ 2' INTERVALS
750
EXISTING CONTOURS @ 10' INTERVALS
752
PROPOSED CONTOURS @ Z INTERVALS
750- --
PROPOSED CONTOURS @ 10' INTERVALS
o750
PROPOSED SPOT ELEVATION
— -- — -- —
EXISTING STREAM CENTERLINE
— - - -•-- - - --®-
NEW STREAM CENTERLINE
STREAM IMPACT LENGTH LIMITS
SCALE: 1" = 20'
NOTES:
SEED ALLBARE AREAS PER PERMANENT
SEEDING SPECIFICATION. PROVIDE
1. EMBED RIP -RAP AS NATIVE ROCK IN
BIODEGRADEABLE STRAWIPLASTIC NET -
STREAM BED ALLOWS.
SLOPE PROTECTION.
2. SEE DETAILED GEOLIFT CONSTRUCTION NATIVE BORROW OR IMPORTED
SEQUENCE ON SHEET C2.
TOPSOIL COMPACTED WITH
EXCAVATOR BUCKET
A
LIVE STAKING PER SPECIES LIST ,
6"
BENCH. SEED WITH RIPARIAN
MIX. MULCH WITH STRAW
900 GRAM/ SOWUARE
24"
METER COIR FABRIC
8" LIFT HEIGHT
SECTION A r A
STREAM CHANNEL TYPICAL SECTION
WITH RIP -RAP & GEOLIFTS
(NOT TO SCALE)
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REVISIONS
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STABILIZATION PLAN
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Table 6.14a
Mulching Materials ana Appitcation Kates
Material
Rate Per Acre
Quality
Notes
Organic Mulches
Straw
1 -2 tons
Dry, unchopped.
Shvj! d come from wheat or oats:
.cute net
Cover area
unweathered; avoid
spread by hand or machine; must
weeds.
be tacked down.
Wood chips
5-6 tons
Air dry
Tre t with 12 lbs nitrogeniton. Apply
with mulch blower. chip handler; or
Excelsior
Cover area
by hand. Not for use In fine turf.
Wood fiber
0.5-1 tons
Also referred to as wood cellulose.
mat
Ma'i be hydroseeded. Do not use in
Fiberglass roving
6.5 -1 tons
Continuous fibers of
hot, dry weather.
Banc
35 cubic yards
Air.dry, shredded or
Apply with mulch blower, chlp
hammer - milled, or chips.
hantrar, or by hand. Do not use
agent.
asphalt tack.
Cotta stalks
4-6 tons
Cut or shredded in 4-6
Apply with mulch blower or by hand.
In. lengths.
Notrtor use in fine turf.
Sedcea
1 -3 tons
Green or dry; should
lespedeza
contain mature seed.
seed - bearing
stems
Nets and Mats'
.cute net
Cover area
Heavy, uniform; woven
Withstands waterflow. Best when
of single jute yam.
used with organic mulch.
Fiberglass net
Cover area
Withstands waterfiow. Best when
used with organic mulch.
Excelsior
Cover area
Wit.estands waterflow.
(wood fiber)
mat
Fiberglass roving
6.5 -1 tons
Continuous fibers of
App r` with a compressed air ejector.
drawn glass bound
Tack:, Ath emulsified asphalt at a
together with a non -toxic
rated 25 -35 gal /1,000 sq R.
agent.
Chemical Stabilizers
Aquatain follow Not taneficial to plant growth.
Aerospray manufacturer's
Curesot AK specifications
Petroset SB
'Cerra Tack
Crust 500
Genaqua 743
M -145
'Rater to Practice No. 6.30, Grass Lined Channels.
2USe of trade names does not imply endorsement of product.
6,14.2
SEEDING PEC ICAT
3 (NOT TO SCALE)
t .
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Z
A
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Definition n graveled area or pad located at points inhere vehicles enter and leave a
construction site.
Purpose To provide a buffer area where vehicles can drop their mud and sediment to
mvoid transporting it onto public roads, to control erosion from surface runoff,
and to help control dust.
Conditions Where st herever traffic gill be leaving a construction site and moving directly onto a
public road orotherpaved off -site area. Construction plans should limit traffic
Practice Applies to property constructed entrances.
Design Criteria Aggregate Size —Use 2 -3 inch washed stone.
Dimensions of gravel pad -
716ickness: 6 inches minimum
!lfdth: 12 -feet minimum or full width at all points of the vehicular
entrance and exit area, whichever is greater
length: 50 -feet minimum
Location—Locate construction entrances and e.cits to limit sediment from
:!eating the site andto provide for maximum utility by all constructionvehicles
ignue 6.06x): Avoid steep grades, and entrances at curves in public roads.
2 -3"
coarse aggregate
Im
Practice Standards and Specifications
Seeding mlxtture
Species' Rate (lblacre)
Blend of two turf- -type tall
fescues (90 + %) and two or
more improved Kentucky
bluegrass varieties (10 %) 200-250
Seeding dates
Best Possible
Fall: Aug. 25 - Sept. 15 Aug. 20 - Oct. 25
Winter: -- Feb. 1- Mar. 31
For quality turf, avoid spring seeding. Where grading is completed
during late winter or spring, an alternative Is to seed 30 lb/acre Kobe
lespedeza, keep mowed, prepare seedbed, and seed a permanent
mixture In earlyifall.
Soil amendments
Apply time and,, rillizer according to soil tests, or apply 4,000 Iblacre
ground agricultural limestone and 1,000 Iblacre 10 -10 -10 fertilizer.
Mulch
Apply 4,000 Iblacre small grain straw or equivalent cover of another
suitable mulch. Anchor straw by tacking with asphalt, netting, roving, or
by crimping with a mulch anchoring tool. A disk with blades set nearly
straight can be used as a mulch anchoring tool.
Maintenance
Fertilize according to soil tests or apply 40 Iblacre nitrogen In Jan, or
Feb., 40 lb In Sept., and 40 lb in Nov, from a 12- 4- 8,16.4 -8, or similar
turf fertilizer. Avotd fertilizer applications during warm weather, as this
Increases stand losses to disease. Mow to a height of 2.5 -3.5 inches
as needed. Reseed, fertilize, and mulch damaged areas Immediately.
'Refer to Appenfo1x 8.02 for botanical names.
NOTE:
PROVIDE FILTER FABRIC (NOT
SHOWN) UNDER STONE COURSE.
6.11.21
•
Table 6.11n
Seeding No. 4P for: Gentle
Slopes, Soils Somewhat
Warmer or Drier than 3P, or
with Physical Limitations;
High Maintenance
6.11.22
STREAM BED
Seeding mixture
Species, mate (Iblacre)
Blend of 50% KY-31 tall fescue
and 50% mixture of two or
more turf-type tall fescues 200 -250
or
Blend of three or more turf-type
tall fescues 200-250
Seeding dates
Best Possible
Fall: Aug. 25 - Sept. 15 Aug. 20 - Oct. 25
Winter: -- Feb.1 Mar. 31
For quality turf, avoid spring seeding. Where grading is completed
during late winter or spring, an•attemative Is to seed 30 We= Kobe
lespedeza, keep mowed, prepare seedbed, and seed permanent
mixture between Aug. 25 and Sept. 16.
Soil amendments
Apply lime and fertilizer according to soil tests or apply 4,000 Ib /acre
ground agricultural limestone and 1,000 lb /acre 10 -10 -10 fertilizer.
Mulch
Apply 4,000 Iblacre grain straw or equivalent cover of another suitable
mulch. Anchor straw by tacking with asphalt, roving, netting, or by
crimping with a mulch anchoring tool. A disk with blades set nearly
straight can be used as a mulch anchoring tool.
Maintenance
Fertilize according to soil tests or apply 40 Iblacre nitrogen in Jan. or
Feb., 40 lb in Sept., and 40 lb In Nov., from a 12 -4- 8,16 -4 -8, or similar
turf fertilizer. Avoid fertilizer applications during warm weather, as
this Increases stand losses to disease. Reseed, fertilize, and mulch
damaged areas immediately. Mow to a height of 2.5 -3.5 Inches as
needed.
,Refer to Appendix 8.02 for botanical names.
..... E
RECOMMENDATIONS 1. THE SEEDING
ON THIS PLAN SHALL BE CONSIDERED AS A
G"ENERAL GUIDE ONLY.
® r A
MEMBRANE (BLACK POLY, ETC.)
ACE
TEMPODAIIV
i
(NOT TO SCALE)
�— STREAM ,FLOW _
18 ° +/- DEEP
EXCAVATED SUS
FOR PUMP INTAKE.
REVISIONS
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