Stormwater Atlas

City of Durham

Reference Guide for Development

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

Durham RGD; pair with City addendum to NC DEQ BMP manual for full SCM sizing.

Fields not found in document: document_metadata.version_or_edition, document_metadata.adoption_or_effective_date, document_metadata.last_revised_date, design_criteria.required_hydrologic_hydraulic_software

Document Metadata

Jurisdiction level
City

“City of Durham”

Purpose

State
North Carolina

“North Carolina”

NC DEQ references

Version / edition
Not found in document

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

“NC DEQ Archived Stormwater Design Manual”

Stormwater review criteria

Design Criteria

Design storm return periods (years)
100-year

“habitable structure will be flooded or have water impounded against it during the 100-year storm event”

Drainage criteria

Water quality volume method
Stormwater quality and quantity facility design per Sections 8.x. SCM design standards in Section 8.3 plus City addendum to NC DEQ archived Stormwater BMP/Design Manual. BMPs include bioretention, vegetated water quality swales, sand filters with underground detention.

“design of stormwater quality and/or quantity facilities”

Stormwater Services role

Peak flow calculation method(s)
Drainage criteria Section 8.1 / storm drainage, culverts, open channels, gutter spread, 100-year storm flooding check for habitable structures, Peak flow calculations for stormwater quantity facilities

“Storm Drainage / Culverts / Open Channels”

Section 8.0

Hydrologic/hydraulic software
Not found in document

No evidence cited

Approved BMP categories
Bioretention, Vegetated water quality swales, Underground detention, Closed sand filter with underground detention, Silva Cell suspended pavement with bioretention

“Bioretention Areas / Vegetated Water Quality Swales”

SCM list