20150884 Ver 1_Permit Drawings_20150831

North Carolina Department of Transportation
Highway Stormwater Program
STORMWATER MANAGEMENT PLAN
(Version 2.02; Released April 2015)FOR NCDOT PROJECTS
WBS Element:42329.1.1TIP No.:B-5171County(ies):Granville Page 1of 1
General Project Information
WBS Element:42329.1.1TIP Number:B-5171Project Type:Bridge ReplacementDate:6/16/2015
NCDOT Contact:Galen Cail, PEContractor / Designer:Sungate Design Group, PA
Address:Address:
Hydraulics Unit915 Jones Franklin Road
1590 Mail Service CenterRaleigh, NC 27606
Raleigh, NC 27699-1590
Phone:[phone]Phone:[phone]
Email:[e-mail]:[e-mail]
City/Town:OxfordCounty(ies):Granville
River Basin(s): RoanokeCAMA County?No
No
Wetlands within Project Limits?
Project Description
Rural
Project Length (lin. miles or feet): 950'Surrounding Land Use:
Proposed ProjectExisting Site
Project Built-Upon Area (ac.)0.5ac.0.4ac.
Typical Cross Section Description: 2 @ 10' Paved Lanes w/ 1' Paved Shoulders and 3.0' Grassed Shoulders 2 @ 8.5' Gravel Lanes w/ 4' Grassed Shoulders
Annual Avg Daily Traffic (veh/hr/day):
Design/Future:255Year:2036Existing:175Year:2016
General Project Narrative:This project involves the replacement of Bridge No. 038125 over Aarons Creek on SR 1400 (Grassy Creek Road.) in Granville County, NC. The existing bridge,
a 1@ 15',
(Description of Minimization of Water 1@15', 1@40', 1@15', 1@15' timber deck on steel I-beams with timber caps, piles, and abutments will be replaced with a 1@70', 1@65' 24" Cored Slab
Bridge with 4' End Bent
Caps. Bridge replacement and associated roadway improvements have been designed in a manner to minimize the increase in impervious surface area to the maximum extent
Quality Impacts)
possible. Deck drains on 3' centers will be required from 14+39.3 to 14+69.3 -L- Lt and from 15+26.3 to 15+68.3 -L- Lt. Stormwater runoff from the bridge deck will not be
discharged directly into Aarons Creek. Excess stormwater runoff from the bridge deck will be conveyed through a grated inlet and 15" pipe at the north-west corner of the bridge
to the base of the proposed fill. A rip-rap pad will be provided at the outlet of the 15" pipe to protect against erosion. Drainage from the south-west, south-east, and north-west

quadrants of the project will follow existing drainage patterns to Aarons Creek. Drainage from the north-east quadrant of the project will be transported in a 2' base ditch until
station 16+50 -L- Lt where overly steep slopes require the use of an 18" pipe to transport project flows. This 2' base ditch will be lined with CL 'B' rip rap in order to avoid
erosion. The proposed 18" pipe will outlet into a 2' base ditch lined with CL 'I' rip rap which outlets into Aarons Creek. CL 'II' Rip Rap will be provided at the embankment at the

outlet of the proposed 2' base ditch to protect the streambank from erosion. CL 'I' rip rap toe protection will be used at the base of the fill slope at the north-east corner of the

proposed bridge to protect against erosion. Permanent CL 'II" rip rap streambank stabilization will be installed along both banks of the stream as indicated in the plans in order
to protect the streambanks from erosion due to existing bent removal and proposed bent installation.
Waterbody Information
Aarons Creek22-59
Surface Water Body (1): NCDWR Stream Index No.:
Primary Classification: Class C
NCDWR Surface Water Classification for Water Body
Supplemental Classification: None
None
Other Stream Classification:
Impairments:None
No
Aquatic T&E Species?Comments:
NRTR Stream ID:Buffer Rules in Effect:N/A
YesN/A
Project Includes Bridge Spanning Water Body?Deck Drains Discharge Over Buffer?Dissipator Pads Provided in Buffer?N/A
(If yes, provide justification in the General Project Narrative)(If yes, describe in the General Project Narrative; if no, justify in the
No
Deck Drains Discharge Over Water Body?
General Project Narrative)
(If yes, provide justification in the General Project Narrative)

WETLAND PERMIT IMPACT SUMMARY
WETLAND IMPACTSSURFACE WATER IMPACTS
Hand
Existing Existing
PermanentTemp. ExcavationMechanized ClearingPermanent Temp. ChannelChannelNatural
SiteStationStructureFill InFill Inin Clearingin SW SWImpactsImpactsStream
No.(From/To)Size / TypeWetlandsWetlands Wetlandsin Wetlands WetlandsimpactsimpactsPermanentTemp.Design
(ac)(ac)(ac)(ac)(ac)(ac)(ac)(ft)(ft)(ft)
114+82 to 15+ 35-L- 0.01< 0.017527
BANK STABILIZATION
0.0365
14+80 to 15+25 -L-
TEMPORARY CAUSEWAY
TOTALS*: 0.010.0375920
*Rounded totals are sum of actual impacts
NOTES:
NC DEPARTMENT OF TRANSPORTATION
DIVISION OF HIGHWAYS
06/16/2015
Granville County
B-5171
42329.1.1
SHEET 7OF7
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