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Technical Standards & Details

Jurisdiction

On and after September 11, 1979, the standards and details contained herein shall be applicable to all new improvements and alterations in existing improvements lying within the regulatory jurisdiction of the City of Wilmington.

The City of Wilmington maintains a set of standards and details to be used in the construction of infrastructure improvements. The materials, design and construction standards contained in the following web pages are established as the minimum standards for the City of Wilmington. 

Variance or Modification

These standards and details have been compiled by the various technical agencies of the City of Wilmington and New Hanover County upon sufficient studies of the existing problems, improvement standards within other areas of the State, and applicable enabling legislation of the State, and have been determined to be reasonable improvement specifications and standards applicable to the City of Wilmington. All construction methods and material not specified within these pages shall conform with the current "North Carolina Department of Transportation Standard Specifications for Roads and Structures".

All proposed variances to the standards and details contained herein shall be subject to provisions of Section 18-9 of the City Subdivision Regulations. Any alternate designs, construction methods, and materials, not specifically prescribed herein, shall be subject to Section 18-88 of the City Subdivision Regulations.

If you have any problems downloading or viewing the files, please contact Jonathan Rhyne

Standard Details Files

Standard Details

Individual Detail Files

 

Std. Detail #  Detail Description  Revision Date  DWG  PDF
1-04  Typical Road Rebuild    1-04 1-04 
1-05  Pavement Repairs   1-05 1-05 
1-07 Pipe Trench   1-07 1-07
1-14  Alley & Private Access Easement Sections   1-14 1-14
1-17  Flared End Sxn and Dimension Table-Sheet 1   1-17.1 1-17.1
  Flared End Sxn and Dimension Table-Sheet 2      1-17.2 
1-18  Brick Sidewalk   1-18 1-18
2-01 Catch Basin   2-01 2-01
2-02  Grill Basin   2-02 2-02
2-03  Storm Drain Manhole   2-03 2-03
2-04  Subdrain   2-04 2-04
2-05  Storm Drain Interference Manhole   2-05 2-05
2-06  Trough Type Drop Inlet    2-06 2-06
2-10  Modified Catch Basin Pipes Over 24"    2-10 2-10
2-11  Slab Top for Modified Catch Basin   2-11 2-11
2-12 Modified Catch Basin Sidewalk & Curbing   2-12 2-12
2-13  Requirements for Corrugated Steel Pipe   2-13 2-13
2-15 Pipe Outlet Protection   2-15 2-15
2-16  Catch Basin Castings   2-16 2-16
2-17  Guidelines for Pipe Bedding-Storm Sewer   2-17 2-17
2-18  Pipe Connection-Metal to Concrete   2-18 2-18
2-19  Catch Basin Casting for 30" Hood & Grate   2-19 2-19
2-20  Catch Basin Grate for 30" Hood & Grate    2-20 2-20
2-21  Catch Basin Casting for 24" Hood & Grate   2-21 2-21
2-23  Precast Waffle Box   2-23 2-23
2-23a  Precast Waffle Box-General Notes    2-23a 2-23a
2-24  Precast Drainage Box-Solid   2-24 2-24
2-24a  Precast Drainage Box-Solid-General Notes   2-24a 2-24a
2-100  Concrete Pipe Collar   2-100 2-100 
3-01  Street Sections   3-01 3-01
3-02  Street Elevations   3-02 3-02
3-03  Driveways       
3-04  Cul-De-Sac   3-04 3-04
3-05  Turnarounds   3-05 3-05
3-07  Curb Ramps-Flare   3-07/3-08 3-07
3-08  Curb Ramps-Adjacent to Plaza     3-08
3-09  Intersection Layout   3-09 3-09
3-10  Sidewalk   3-10 3-10
3-11  Curbing   3-11 3-11
3-100  Reinforced Sidewalk   3-100 3-100
3-102 Brick Crosswalk   3-102 3-102
3-103  Brick Street-Typical Section   3-103 3-103
3-104 Guidelines for Sediment Control BMPs-Sheet 1   3-104 3-104.1
  Guidelines for Sediment Control BMPs-Sheet 2      3-104.2
3-105  Typical Retaining Wall   3-105 3-105
8-02 Right Turn Bay   8-02 8-02
8-18 Driveway Right Turn Lane-With Curb   8-18 8-18
8-19 Driveway Right Turn Lane-No Curb   8-19 8-19
8-20  Left Turn Lane Widening   8-20 8-20
8-21 One-Way Driveways    8-21 8-21
8-22  Left Turn Lanes   8-22 8-22
9-04  Typical Street Lamp   9-04 9-04
9-05  Typical Street Lamp Base & Electrical Detail   9-05 9-05
9-08  240V 3-Wire Service Street Light Power Riser   9-08 9-08
11-01  Pavement Markings-Line Types    11-01 11-01
11-02  Pavement Markings-Offsets   11-02 11-02
11-03  Guidelines for Pavement Markings and Symbols   11-03 11-03
11-04  Pavement Markings-Non Signal Intersections-Sheet 1   11-04 11-04
11-05  Pavement Markings-Non Signal Intersections-Sheet 2   11-05 11-05
11-06  Pavement Markings-Signalized Intersections   11-06 11-06
11-07  Pavement Markings-Thru-Lane Drop at Intersection   11-07 11-07
11-08  Pavement Markings-Turn Lanes    11-08 11-08
11-09  Pavement Markings-Turn Lanes   11-09 11-09
11-10  Pavement Markings-Raised Pavement Markers   11-10 11-10
11-11  Pavement Markings-Crosswalks   11-11 11-11
11-12  Thermo Markings-50' Driveway-No Left Turn   11-12 11-12
11-13  Thermo Markings-50' Driveways-Sheet 1   11-13 11-13.1
  Thermo Markings-50' Driveways-Sheet 2     11-13.2
11-14  Markings-Roundabout    11-14 11-14
14-02  Standard Manhole Ring and Cover    14-02 14-02
14-03  Standard Manhole Vented Section    14-03 14-03
14-04  Grill Basin Castings    14-04 14-04
14-05  Monument Detail    14-05 14-05
14-10  Slip Resistant Manhole Step Detail    14-10 14-10
14-11  Precast Manhole    14-11 14-11
14-12  Precast Manhole Ring Extension    14-12 14-12
15-01  Monument Base    15-01 15-01
15-03  Sign Installation-Sheet 1    15-03 15-03.1
  Sign Installation-Sheet 2      15-03.2
15-05  Standard Utility Location    15-05 15-05
15-07  Guidelines for Traffic Control    15-07 15-07
15-09  Tree Protection During Construction-Sheet 1    15-09 15-09.1
  Tree Protection During Construction-Sheet 2      15-09.2
15-10  Typical Unpaved Parking Facility-Under 25 Stalls    15-10 15-10
15-11  Parking Facility Under 25 Stalls-Paved or Unpaved    15-11 15-11
15-12  Parking Facility Equal to or Over 25 Stalls    15-12 15-12
15-13  Parking Facility Design Notes    15-13 15-13
15-14  Landscape Notes    15-14 15-14
15-16  Typical Pond Landscape    15-16 15-16
15-17 Residential Street Tree Standards    15-17 15-17
15-18  Standard Forms   15-18 15-18

 

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