20190592 Ver 1_17bp.7.C.14_HYD_SMP_10022018 (2)_20190507

Highway North Carolina Department of Transportation
Stormwater
Highway Stormwater Program
STORMWATER MANAGEMENT PLAN
(Version 2.07; Released October 2016) FOR NCDOT PROJECTS
WBS Element: 17BP.7.C.14 TIP No.: County(ies): Guilford Page 1 of 1
General Project Information
WBS Element:
17BP.7.C.14 ITIP Number: Project Type: Culvert Replacement Date: 10/2/2018
NCDOT Contact:
Galen Cail
Contractor / Desi ner:
Address:
1020 Birch Ridge
Raleigh, NC 27610
Address:
Phone:
[phone]
Phone:
Email:
gcail(a)ncdot.gov
Email:-
City/Town:
Greensboro
Count ies :
Guilford
River Basin(s):
Cape Fear
CAMA County?
No
Wetlands within Project Limits?
No
Project Description
Project Length (lin. miles or feet):
50ft Surrounding Land Use: ISlight Urban
Proposed Project
Existing Site
Project Built -Upon Area (ac.)
0.1 ac.
0.1 ac.
Typical Cross Section Description:
12 ft lanes w/ 6 ft grassed shoulders
12 ft lanes w/ 6' grassed shoulders
Annual Avg Daily Traffic (veh/hr/day):
Design/Future: 5100 Year: 2018
Existing: 5100 Year: 2018
General Project Narrative:
(Description of Minimization of Water
Quality Impacts)
Culvert project will replace existing 1 @ 73" x 55" corrugated metal pipe arch with a 1 @ 117" x 79" corrugated aluminum alloy pipe arch w/ headwall on SR 2835 (McKnight Mill
Rd). Larger culverts will reduce outlet velocities. Armor outlet bed with Class II Rip Rap for bed stabilization. Armor stream banks with rip rap for stabilization. New culvert will
not be buried due to avoidance of conflict with existing city of Greensboro 30" water line .
Waterbody Information
Surface Water Body (1): UT to North Buffalo Creek
NCDWR Stream Index No.:
16-11-14-1
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:
Aquatic T&E Species?
No Comments:
NRTR Stream ID:
Buffer Rules in Effect: Jordan Lake
Project Includes Bridge Spanning Water Body?
No
Deck Drains Discharge Over Buffer? No
Dissi ator Pads Provided in Buffer? I N/A
Deck Drains Discharge Over Water Body?
IN2
(If yes, provide justification in the General Project Narrative)
(If yes, describe in the General Project Narrative; if no, justify in the
General Project Narrative)
(If yes, provide justification in the General Project Narrative) I