300 Series - Storm Drain Standards

300 Series - Storm Drain Standards

Drawings in this series include NCDOT standards approved for use, catch basins, wingwalls, riprap aprons, flared end section pipe, riprap plunge pools, trench drains, paved ditches, subdrains, overlapping of easements, minimum drainage easements, and grading at drop inlets.

300 Series Drawings PDF

Adobe AutoCAD

Std
No.

Description

PDF

DWG

300.1

NCDOT Standards Approved for Use

PDF

DWG

301.1

NCDOT Standards Approved for Use

PDF

DWG

302.1

NCDOT Standards Approved for Use

PDF

DWG

303.1

Brick Double Catch Basin 15"-36"

PDF

DWG

304.1

Concrete Wingwall with Splash Pad

PDF

DWG

305.1

Concrete Wingwall with Splash Pad

PDF

DWG

306.1

Rip Rap Aprons at Pipe Outfalls other than SWIM

PDF

DWG

307.1 Flared End Section 12" Thru 72" Pipe

PDF

DWG

308.1

Rip Rap Plunge Pool

PDF

DWG

309.1

Trench Detail for Storm Drain

PDF

DWG

310.1

Concrete Paved Ditches

PDF

DWG

311.1

Rip Rap Dicthes

PDF

DWG

312.1

Subdrain Detail

PDF

DWG

313.1

Overlapping Storm Drain/Sanitary Sewer Easements

PDF

DWG

314.1

Minimum Drainage Easement Requirements for Storm Drain Pipes and Open Channels

PDF

DWG

315.1

Offset Catch Basin

PDF

DWG

316.1

Grading at Drop Inlet