20231505 Ver 1_401-driveway-creek-crossing-from-above_11-20-23_20231211

Addendum to 401 Application for NCDEQ Hannah's Farm (South) Driveway Crossing ID # 20231505 Ver 1 on 11/8/2023
20pipe
Pipe width20(via https://gis.orangecountync.gov/orangeNCGIS/default.htm}
5ĻƷğźƌʹ
Dewatering dam (not to scale)
Rip rap 2wide2
10wide gravel driving surface
Down slope5
Down slope
Temporary dewatering dam (not to scale)
5-to-5.5

Addendum to 401 Application for NCDEQ Hannah's Farm (South) Driveway Crossing ID # 20231505 Ver 1 on 11/8/2023
Culvert design/placement, as per Nationwide Permit 18,Section B. Regional Conditions Applicable to All NWPs, item #9
beginning on p.27:
Until we use machinery to scrape the bottom of the streambed, we cannot know if there is bedrock involved. There is
bedrock evident at the edge of the driveway placement (see below), but the easement may be wide enough to stay
away from it and still cross the creek at a perpendicular angle (our first priority).
Bedrock
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