Federal Highway Administration

HEC-24 Highway Stormwater Pump Station Design

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

Title/edition from FHWA Highway Drainage publications list (HEC-24, February 2001). HY-22 citation appears with OCR artifact. BMPs referenced generically for NPDES compliance but no approved BMP category list. water_quality_volume_method not stated (pump-station hydrology focus).

Fields not found in document: document_metadata.adoption_or_effective_date, document_metadata.last_revised_date, design_criteria.water_quality_volume_method, design_criteria.approved_bmp_categories

Other federal manuals: HDS-4 Introduction to Highway Hydraulics, HEC-14 Hydraulic Design of Energy Dissipators for Culverts and Channels, HEC-15 Design of Roadside Channels with Flexible Linings, HEC-21 Design of Bridge Deck Drainage, HEC-22 Urban Drainage Design Manual

Document Metadata

Jurisdiction level

Federal

“mandatory for interstate highways”
Chapter 5 – Site Planning and Hydrology, 5.3.2 Design Frequency, pages 65-66

State

Not found in document

No evidence cited

Version / edition

February 2001

“queue id fhwa-hec-24; Hydraulic Engineering Circular stormwater pump station manual context”
Corpus fhwa-hec-24

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

“The choice of hydrologic methods is either based on agency standard practice or left up to the designer based on local conditions and judgment.”
Chapter 5 – Site Planning and Hydrology, 5.4.1 Hydrologic Methods, page 66

Design Criteria

Design storm return periods (years)

50-year, 100-year, 2-year

“The recommended design for a highway stormwater pump station is a return period of 50 years”
Chapter 5 – Site Planning and Hydrology, 5.3.2 Design Frequency, pages 65-66

Water quality volume method

Not found in document

No evidence cited

Peak flow calculation method(s)

NRCS Tabular Hydrograph Method (Technical Release 55, TR55), NRCS dimensionless unit hydrograph method (Technical Release 20, TR 20), Methods available in the computer programs HEC-1 and HEC-HMS

“National Resources Conservation Service (NRCS) – formerly Soil Conservation Service) – Tabular Hydrograph Method of Technical Release 55, Urban Hydrology for Small Watersheds (TR55),8”
Chapter 5 – Site Planning and Hydrology, 5.4.1 Hydrologic Methods, page 66

Hydrologic/hydraulic software

HEC-1, HEC-HMS, HY-22

“Methods available in the computer programs HEC-1 and HEC-HMS.”
Chapter 5 – Site Planning and Hydrology, 5.4.1 Hydrologic Methods, page 66

Approved BMP categories

Not found in document

No evidence cited