North Carolina Department of Transportation (NCDOT)

Guidelines for Drainage Studies and Hydraulic Design

StateDOTNorth CarolinamediumNeeds reviewCitations verified

This extraction is flagged for quality review.

Compare each cited field to the official PDF before relying on it. What this means

Heuristic agency extract from prepared text. NCDOT Guidelines for Drainage Studies and Hydraulic Design (2022 archived PDF; live guidance is web-based)

Fields not found in document: design_criteria.water_quality_volume_method

Other manuals in North Carolina: Charlotte-Mecklenburg, City of Asheville, City of Concord, City of Durham, City of Gastonia, City of Greensboro, City of High Point, City of Raleigh, City of Wilmington, City of Winston-Salem, North Carolina Department of Environmental Quality (NCDEQ), Town of Cary

Document Metadata

Jurisdiction level

State

No evidence cited

State

North Carolina

No evidence cited

Version / edition

2022

No evidence cited

Adoption / effective date

Not found in document

No evidence cited

Last revised date

Not found in document

No evidence cited

Relationship to state manual

independent

No evidence cited

Design Criteria

Design storm return periods (years)

25-year, 50-year

“the roadway shoulder of two feet for a 50-year impoundment level; • A means of draining the lake completely will be provided.”

Water quality volume method

Not found in document

No evidence cited

Peak flow calculation method(s)

Rational Method, HEC-RAS

“ations for future urbanization values o Rational Method ‘c’ values o design frequencies for different facility types • Pipes o a”

Hydrologic/hydraulic software

HEC-RAS

No evidence cited

Approved BMP categories

Filter Strip

“Filter Strip”