City of Bakersfield

Kern County Development Standards — Division Four: Standards for Drainage (metro co-permittee basis)

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Kern County Division Four drainage standards used for Bakersfield metro / co-permittee coverage. City of Bakersfield may publish a separate Subdivision/Engineering Design Manual — prefer swapping if a durable city PDF is found. Pipeline excerpt repair removed 1 unlocated citation(s).

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Other manuals in California: Alameda Countywide Clean Water Program (ACCWP) / City of Fremont, California, California Department of Transportation (Caltrans), California Department of Transportation (Caltrans), City of Anaheim, City of Chula Vista, City of Long Beach, City of Oakland, City of Sacramento, City of San Diego, City of San Francisco, City of San Jose / Santa Clara Valley (SCVURPPP), City of Santa Barbara, City of Santa Rosa, City of Stockton / San Joaquin County, County of Los Angeles, County of Orange, Fresno Metropolitan Flood Control District, Riverside County, San Bernardino County, Tahoe Regional Planning Agency (Lake Tahoe Region)

Document Metadata

Jurisdiction level

Not found in document

No evidence cited

State

California

“County of Kern”
§402 definitions

Version / edition

Division Four

“Division Four”
Header

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

“Kern County Development Standards Division Four”
Coverage note

Design Criteria

Design storm return periods (years)

10-year, 100-year

“Capital Storm Design Discharge (CSDD) ... referred to as the 100-year storm; Intermediate Storm Design Discharge (ISDD) ... referred to as the ten-year storm”
§402-1.04 / §402-1.17

Water quality volume method

Drainage facilities designed for Intermediate Storm Design Discharge (ISDD ≈ 10-year) and Capital Storm Design Discharge (CSDD ≈ 100-year). Retention basins (sumps) and detention basins sized for design ponding depth/volume per Kern County standards; off-site CSDD/ISDD mitigation required for development.

“RETENTION BASIN: is a terminal storm water facility for the storage of runoff. Commonly referred to as a sump.”
§402-1.24

Peak flow calculation method(s)

Capital Storm Design Discharge (CSDD / 100-year), Intermediate Storm Design Discharge (ISDD / 10-year), Kern County hydrology methods (per bulletin/standards)

“CSDD and ISDD flows shall be calculated in accordance with the current Kern County”
§402-3

Hydrologic/hydraulic software

Not found in document

No evidence cited

Approved BMP categories

Retention basins (sumps), Detention / retardation basins, Closed conduit systems and catch basins, Culverts, bridges, at-grade crossings, Constructed channels, Street drainage

“Retention Basin Design; Detention Basin Design; Closed Conduit Systems, Catch Basins”
Division Four chapters