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STATE OF NORTH CAROLINA
DEPARTMENT OF TRANSPORTATION
BEVERLY PURDUE P O Box 25201 Raleigh, NC 27611 5202 EUGENE CONTI JR
GOVERNOR PHONE 919 733 2520 SECRETARY
January 12 2012
N C Division of Water Quality
Winston -Salem Regional Office
585 Waughtown St
Winston- Salem, NC 27107
Attention Ms Amy Euhss
Subject State Stormwater Permit Request for the replacement of Bridge #32 over Buttermilk
Creek on SR 1582 in Alamance County Debit WBS 45353 3 6 $505
Dear Ms Euliss
The North Carolina Department of Transportation is scheduled to replace Bridge #32 with a new longer
bridge at the same location Since this bridge crosses a High Quality Water I have included a Stormwater
Application Form the Project Scope Narrative a set of the project plans and the authority to debit $505 for
the permit application fee
Because the project is within the Jordan Lake Watershed, a buffer authorization is also required I am
requesting review through the Low Impact Bridge Replacement Process I have included Attachment L with
a project description and set of the project plans Please review this project for the appropriate
authorizations by your Division
We would like to begin construction as soon as possible If further information is required, please contact
Jerry Parker at (336) 256 -2063 Your early review and consideration will be appreciated
Sincerely
J Mills P E
i vis ion Engineer Division 7
Enclosures
cc Jerry A Parker Division Environmental Supervisor
Andy Williams US Army Corps of Engineers
Tun Powers NCDOT
NCDENR DWQ Wetlands /401 Unit Raleigh, NC
Barry Harrington, Roadside Environmental Field Operations Engineer
P O Box 250 N WILKESBORO NC 28659
PHONE (336) 667 9111 FAx (336) 6674549
OFFICE USE ONLY
Date Received Fee Paid Permit Number
State of North Carolina
Department of Environment and Natural Resources
Division of Water Quality
STORMWATER MANAGFMENT PERMIT APPLICATION FORM
NORTH CAROLINA DEPARTMENT OF TRANSPORTATION
LINEAR ROADWAY PROJECT
This form may be photocopied for use as an original
DWO Stormwater Management Plan Review
A complete stormwater management plan submittal includes this application form a supplement form for each BMP
proposed (see Section V) design calculations and plans and specifications showing all road and BMP details
NCDOT Project Number 75 3 S-3,3 (rte
Project Name B D— S I J it E
Project Location 0 1 m mJ 0 )J 1e S
Contact Person � err,1 Pa t' I� L
Receiving Stream Name
Proposed linear feet of project 39 0 -4�
County A/a !►tieii, A (. e
)ne 33�. ;,5 Fda _
River Basin CA. JD �e-G i-
Class WSJ %Q W A, /s" i, /
Proposed Structural BMP and Road Station (attach a list of station and BMP type tf more room is needed)
S C e, Gt i+"a. C� 1, E'_ A
Type of proposed project (check all that apply)
❑ New []Widening 02 lane* ❑4 lane* ❑Curb and Gutter XBridge Replacement
DOther (Describe)
*2 lane and 4 lane imply that roadside ditches are used unless Curb and Gutter is also checked
H REQUIRED ITEMS CHECKLIST
Initial in the space provided below to indicate the following design requirements have been met and supporting
documentation is attached Supporting documentation shall at a minimum consist of a brief narrative description
including (1) the scope of the project (2) how the items below are met (3) how the proposed best management practices
minimize water quality impacts and (4) any significant constraints and/or justification for not meeting a b c and d to the
maximum extent practicable
Designer s Initials
::ye.'r a The amount of impervious surface has been minimized as much as possible
b The runoff from the impervious areas has been diverted away from surface waters as much as possible
c Best Management Practices are employed which minimize water quality impacts
-:SL -r d Vegetated roadside ditches are 3 1 slope or flatter
Form SW401 NCDOT Linear Roadway Rev 1 Page 1 of 2
ST®RMWATER MANAGEMENT PLAN
H Required Items Checklist
The proposed structure is a 75 long single span 24" cored slab bridge with spill through
abutments Approximately 390 linear feet of roadway is being widened including the bridge
a. Minimized to the extent hydraulically possible
b The grade on the bridge carries the runoff to the north side Two inlets are proposed
to pick up the runoff on each side of the road at —L Sta 14 +05 +/ The inlets will
discharge as far away from Buttermilk Creek as reasonably possible At this site,
four rock check dikes have already been installed at each corner of the bridge inside
the existing ditch lines These dikes are in good condition and can be used to
dissipate the flow from the inlet described above Stormwater will sheet flow from
there to the creek, which is located about 50 feet to the south In addition to the rock
dikes already installed a rock energy dissipater pad will be installed at the outlet end
of storm drainage system to reduce velocities further No deck drains are called for
in the plans There will be no slots in the railing so all drainage will be routed to the
ends of the bridge The total discharge from the proposed inlets is 0 4 cfs (Q10)
c We saw no benefit to install additional BMP's at this site This meets the alternative
design criteria for a swale outlet as described in the latest NCDOT Stormwater Best
Management Practices 1 oolbox The roadway fill slopes will be vegetated using the
latest seeding requirements under NCG 010000 General Construction Permit
effective August 3 2011 All appropriate construction BMPs will be employed
during bridge demolition and reconstruction
d NIA A minimum amount of grading is required to tie the proposed fill slopes into
existing ground The proposed design does not affect the existing ditches or existing
BMP s installed
A FOX,
r
NCDENR
North Carolina Department of Environment and Natural Resources
Division of Water Quality
Beverly Eaves Perdue Coleen H Sullins
Governor Director
Attachment L Low Impact Bridge Replacement Process
Low Impact Bridge Project No BD -5107E County - Alamance
Bridge No 32 over Buttermilk Creek WBS Element Number 45353 3 6
This project is subject to the Low Impact Bridge Process as agreed to on October 6
2009 This project meets the documentation requirements and approval procedures
under NEPA as defined by FHWA for Low Impact Bridge Replacements This project
meets the standards of NCDOT s Minimum Criteria Rules
Date January 12, 2012
Applicant Name NCDOT
Applicant Address 1584 Yancevville Street
Greensboro NC 27415
Primary Contact for Project Jerry A Parker
Phone No 336 256 2063
Is this an after the fact application Yes X No
River Basin Cape Fear
Stream Classification WS-II, HQW, NSW
Regulatory Authorization Options for this Activity
Federal USACE Nationwide General Permit 3 — Maintenance
State General Water Quality Certification #3687 and/or Buffer Authorization
Local None
Dee Freeman
Secretary
Transportation Permitting Unit One
1650 Mail Service Center Raleigh North Carolina 27699 1650 NorthCarohna
Location 2321 Crabtree Blvd Raleigh North Carolina 27604 /�y+ //
Phone 919 733 1786 \ FAX 919 733 6893 ��K6 �66�
Internet http //h2o enr state nc us /ncwetlands/
Project Description — The project consists of replacing Bridge #32 over Buttermilk Creek on
SR 1582 (Jimmy Boyles Rd) and improving roadway approaches The existing 70 X 20 bridge
is structurally deficient and will be replaced with a new 75 X 30 bridge at the same location An
off -site detour will be utilized during construction Total project length is 390 ft The stream
adjacent to the site has been classified as High Quality Waters which has necessitated the need
for Design for Environmentally Sensitive Waters (attached) A Stormwater Management Plan
and permit application has also been attached The project will impact a total of 1175 sf of
buffered area in Zone 1 and 275 sf of buffered area in Zone 2 for a total of 1450 sf of impacts to
buffered areas Therefore a buffer authorization is being requested NCDOT proposes to utilize
existing nprap dikes to meet diffuse flow and fulfill the need for BMP s
Signature
Print Name J M Mills. P E
Title Division Engineer, Division 7
HIGH QUALITY WATERS
Description
Buttermilk Creek has been identified as high quality waters This designation requires special
procedures to be used for clearing and grubbing temporary stream crossings and grading
operations within the High Quality Water Zone and as designated by the Engineer The High
Quality Water Zones are identified on the plans as Environmentally Sensitive Areas This also
requires special procedures to be used for seeding and mulching and staged seeding
The High Quality Water Zone/Environmentally Sensitive Area shall be defined as a 50 -foot
buffer zone on both sides of the stream measured from top of streambank
Construction Methods
(A) Clearing and Grubbing
In areas identified as High Quality Water Zones/Environmentally Sensitive Areas the
Contractor may perform clearing operations but not grubbing operations until
immediately prior to beginning grading operations as described in Article 200 -1 of the
Standard Specifications Only clearing operations (not grubbing) shall be allowed in tins
buffer zone until immediately prior to beginning grading operations Erosion control
devices shall be installed immediately following the clearing operation
(B) Grading
Once grading operations begin in identified High Quality Water Zones/ Environmentally
Sensitive Areas work shall progress in a continuous manner until complete All
construction within these areas shall progress in a continuous manner such that each
phase is complete and areas are permanently stabilized prior to beginning of next phase
Failure on the part of the Contractor to complete any phase of construction in a
continuous manner in High Quality Water Zones/ Environmentally Sensitive Areas will
be ,lust cause for the Engineer to direct the suspension of work in accordance with Article
108 -7 of the Standard Specifications
(C) Temporary Stream Crossings
Any crossing of streams within the limits of this project shall be accomplished in
accordance with the requirements of Subarticle 107 -13(B) of the Standard Specifications
(D) Seeding and Mulching
Seeding and mulching shall be performed in accordance with Section 1660 of the
Standard Specifications and vegetative cover sufficient to restrain erosion shall be
installed immediately following grade establishment
Seeding and mulching shall be performed on the areas disturbed by construction
immediately following final grade establishment No appreciable time shall lapse into
the contract time without stabilization of slopes ditches and other areas within the High
Quality Water Zones/Environmentally Sensitive Areas
(E) Stage Seeding
The work covered by this section shall consist of the establishment of a vegetative cover
on cut and fill slopes as grading progresses Seeding and mulching shall be done in
stages on cut and fill slopes that are greater than 20 feet in height measured along the
slope or greater than 2 acres in area Each stage shall not exceed the limits stated above
Additional payments will not be made for the requirements of this section, as the cost for this
work shall be included in the contract unit prices for the work involved
REFORESTATION
Description
Reforestation will be planted in areas as directed Reforestation is not shown on the plan sheets
See the Reforestation Detail Sheet
All non - maintained riparian buffers impacted by the placement of temporary fill or clearing
activities shall be restored to the preconstruction contours and revegetated with native woody
species
The entire Reforestation operation shall comply with the requirements of Section 1670 of the
Standard Specifications
Materials
Reforestation shall be bare root seedlings 12 " -18" tall
Construction Methods
Reforestation shall be shall be planted as soon as practical following permanent Seeding and
Mulching The seedlings shall be planted in a 16 -foot wide swath adjacent to mowing pattern
line or as directed
Root dip The roots of reforestation seedlings shall be coated with a slurry of water and either a —
fine clay (kaolin) or a superabsorbent that is designated as a bare root dip The type mixture
ratio method of application, and the time of application shall be submitted to the Engineer for
approval
With the approval of the Engineer, seedlings may be coated before delivery to the fob or at the
time of planting, but at no time shall the roots of the seedlings be allowed to dry out The roots
shall be moistened immediately prior to planting
Seasonal Limitations Reforestation shall be planted from November 15 through March 15
Measurement and Payment
Reforestation will be measured and paid for in accordance with Article 1670 -17 of the Standard
Specifications
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