Idaho
ITD Roadway Design Manual Section 600 Hydraulics
StateDOTIdahomediumNeeds 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. ITD Roadway Design Manual Section 600 Hydraulics Pipeline excerpt repair removed 1 unlocated citation(s).
Fields not found in document: design_criteria.water_quality_volume_method, design_criteria.approved_bmp_categories, document_metadata.jurisdiction_name
Document Metadata
Jurisdiction level
State
No evidence cited
State
Idaho
No evidence cited
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
No evidence cited
Design Criteria
Design storm return periods (years)
10-year, 25-year, 50-year, 100-year, 500-year
“y Methods 625.00- Design Floods 625.01- 100-Year Flood 625.02- Scour Review Flood 630.00- Permits 630.01- Joint Application for”
Water quality volume method
Not found in document
No evidence cited
Peak flow calculation method(s)
Rational Method, NRCS / SCS Curve Number (TR-55), USGS regression equations
“10 square miles • NRCS TR-55 Method. • Rational Method. Is generally used for storm sewer design and is limited to small waters”
Hydrologic/hydraulic software
HY-8
No evidence cited
Approved BMP categories
Not found in document
No evidence cited