20201981 Ver 1_Durham St. Ext Stormwater Plan_20210122

Highwa North Carolina Department of Transportation
J— ---- Highway Stormwater Program
STORMWATER MANAGEMENT PLAN
(Version 2.07; Released October 2016) FOR NCDOT PROJECTS
WBS Element: 46060.1.1 TIP No.: B-5346 County(ies): Alamance Page 1 of 1
General Project Information
WBS Element: 46060.1.1 TIP Number: B-5346 Project Type: Bridge Replacement Date: 6/29/2017 1
NCDOT Contact: Galen Cail, PE Contractor/ Designer: Joshua G. Dalton, PE, CPESC
Address: NCDOT Hydraulics Unit Address: Sungate Design Group, P.A.
1590 Mail Service 905 Jones Franklin Road
Raleigh, NC, 27699-1590 Raleigh, NC 27606
Phone: [phone] Phone: [phone]
Email: dcailt ncciot oov Email: [e-mail]
City/Town: Burlington County(ies): Alamance 11
River Basin(s): Cape Fear CAMA County? No
Wetlands within Project Limits? No
Project Description
Project Length (lin. miles or feet): 0.06 Surrounding Land Use: Low and Medium Residential
Proposed Project Existing Site
Project Built-Upon Area (ac.) 0.2 ac. 0.2 ac.
Typical Cross Section Description: 2 - 11' lanes with 4' paved shoulders 2 - 11' paved lanes with grass shoulders
Annual Avg Daily Traffic (veh/hrlday): Design/Future: 3500 Year: 2035 Existing: 2682 Year: 2017
General Project Narrative: B-5346 invloves replacement of Alamance County bridge #3 on SR 1529 (Durham Street Extension) over Dry Creek. The existing structure is a 3-span bridge 52'-4" in length
(Description of Minimization of Water with a timber deck and timber joists. The proposed replacement structure is a single span 70' cored slab bridge. No deck drains are needed on the proposed structure. The run
Quality Impacts) off from the bridge deck will be collected by inlets and discharged outside of buffer zone 2 onto class B riprap.
Waterbody Information
Surface Water Body (1): Dry Creek NCDWR Stream Index No.: 16-13
NCDWR Surface Water Classification for Water Body Primary Classification: Water Supply V (WS-V)
Supplemental Classification: Nutrient Sensitive Waters (NSW)
Other Stream Classification: None
Impairments: None
Aquatic T&E Species? No Comments:
NRTR Stream ID: Buffer Rules in Effect: Jordan Lake
Project Includes Bridge Spanning Water Body? Yes Deck Drains Discharge Over Buffer? No Dissipator Pads Provided in Buffer? N/A
Deck Drains Discharge Over Water Body? No (If yes, provide justification in the General Project Narrative) (If yes, describe in the General Project Narrative; if no, justify in the
(If yes, provide justification in the General Project Narrative) General Project Narrative)