Stormwater Atlas

Indiana

INDOT Design Manual Chapter 203

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Open source PDF ↗Official agency page ↗

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Heuristic agency extract from prepared text. INDOT Design Manual Chapter 203 — Hydraulics and Drainage Design Pipeline excerpt repair removed 1 unlocated citation(s).

Fields not found in document: design_criteria.water_quality_volume_method, document_metadata.jurisdiction_name
Other manuals in Indiana: City of Evansville, City of Fort Wayne, City of South Bend, Indiana

Document Metadata

Jurisdiction level
State

No evidence cited

State
Indiana

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Version / edition
Not found in document

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Adoption / effective date
Not found in document

No evidence cited

Last revised date
Not found in document

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Relationship to state manual
independent

No evidence cited

Design Criteria

Design storm return periods (years)
5-year, 100-year

“esign storm for the main stream and the 100-year design storm for the tributary. The other model will use the 100-year design st”

Water quality volume method
Not found in document

No evidence cited

Peak flow calculation method(s)
Rational Method, NRCS / SCS Curve Number (TR-55), HEC-HMS, HEC-RAS

“logy calculations which can include the Rational Method, Hydrograph Method (TR- 20, HEC-HMS, etc.), curve numbers, Manning’s n v”

Hydrologic/hydraulic software
HEC-HMS, HEC-RAS, HY-8

No evidence cited

Approved BMP categories
Infiltration Basin, Detention Basin

“Infiltration Basin, Detention Basin”