Durham County Government

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Engineering and Environmental Services
Glen Whisler, P.E., County Engineer
120 East Parrish Street
Law Building, 1st Floor
Durham, NC 27701
Phone: 919-560-0735
FAX: 919-560-0740
Hours: 8:30 AM-5:00 PM
Department Website
engineering@durhamcountync.gov
 
Standard Details for Sedimentation and Erosion Control

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The following notes should appear in the General Approval Notes section of the Cover page.

a.      If more than 12,000 sq. ft. is disturbed a land-disturbing permit will be required prior to the commencement of any land-disturbing activities.

b.     If more than 20,000 sq. ft. is disturbed , a sedimentation and erosion control plan must be submitted and approved prior to the issuance of a land-disturbance permit.

c.      Tree protection is required by the City/ County Planning Department, tree protection certification must be submitted to the Durham County Erosion Control Division, and tree protection inspection completed prior to land-disturbance permit issuance.

d.      If an offsite spoil or borrow site is utilized, the disturbed area must be included in the Land Disturbance Plan and Permit unless already permitted.

e.      If the disturbed area exceeds five acres, an improvement security will be required prior to land-disturbing permit issuance.

TYPICAL CONSTRUCTION SEQUENCE
  Construction Sequence[word]
Construction Sequence[pdf]

STANDARD EROSION CONTROL DETAILS

Tree Protection FencePDF  

Silt Fence OutletPDF 

Temporary Silt FencePDF 

Gravel Bag Inlet ProtectionPDF 

Block and Gravel Inlet ProtectionPDF 

Silt SackPDF 

Skimmer Sediment Basin PDF

SkimmerPDF 

Construction EntrancePDF 

Diversion Ditch PDF 

Rock Check DamPDF  

Single Family Lot S &E [.gif]


 STANDARD STORMWATER DETAILS

Bioretention PlanPDF  

Bioretention Cross-SectionPDF 

Bioretention Planting ZonesPDF 

Bioretention Concrete SpillwayPDF 

Flow Splitter StructurePDF 

Wetpond PlanPDF 

Wetpond ProfilePDF

Wetpond Cross SectionsPDF 

Wetpond Littoral Shelf and BermPDF 

Grass ChannelPDF 

Grass Channel Planting PlanPDF 

Sand FilterPDF


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Last updated: October 31, 2011
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