City of Frisco

Engineering Standards — Design Standards (Part A)

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Frisco 2025 Design Standards Part A; Section 4 drainage. Pipeline excerpt repair removed 1 unlocated citation(s).

Fields not found in document: design_criteria.required_hydrologic_hydraulic_software, document_metadata.state_code

Other manuals in Texas: City of Amarillo, City of Arlington, City of Austin, City of Beaumont / Jefferson County Drainage District No. 6, City of Brownsville, City of College Station, City of Corpus Christi, City of Denton, City of El Paso, City of Fort Worth, City of Garland, City of Grand Prairie, City of Houston, City of Killeen, City of Laredo, City of Lubbock, City of McAllen, City of McKinney, City of Mesquite, City of Pasadena, City of Pearland, City of Plano, City of Round Rock, City of San Antonio, City of Waco, Dallas / North Central Texas (iSWM), Harris County, Tarrant County, Texas, Texas Commission on Environmental Quality

Document Metadata

Jurisdiction level

City

“City of Frisco”
Title

State

Not found in document

No evidence cited

Version / edition

October 2025

“Table of Contents October 2025”
TOC

Adoption / effective date

2025-10-28

“Standards Table of Contents October 2025 TC-1 Table of Contents Part A ñ Design Standards Page SECTION 1 GENERAL REQUIREMENTS 1-1 1.01 Short Title ..................................................................................................................1-2 1.0”
p. 1

Last revised date

2025-10-28

“October 2025”
Section headers

Relationship to state manual

independent

“City Engineering Standards / NCTCOG”
General

Design Criteria

Design storm return periods (years)

2-year, 5-year, 25-year, 100-year

“2-year 5-year 25 year 100- year”
Section 4.02

Water quality volume method

Section 4 Drainage Design Requirements include stormwater quality treatment (4.18), detention/retention facility design (4.09), and sustainable development provisions. Street and enclosed-system conveyance sized with multi-frequency storms including 100-year street capacity / dry-lane criteria; references NCTCOG construction standards.

“4.18 Stormwater Quality Treatment”
Section 4 TOC

Peak flow calculation method(s)

Rational Method / Q=CIA for enclosed systems and inlets, Multi-frequency rainfall (2-, 5-, 25-, 100-year; Hydro-35 / TP-40 era tables referenced), Downstream assessment and detention sizing (4.03 / 4.09), 100-year street capacity / dry-lane criteria

“100-year runoff, Q=CIA (cfs)”
Section 4 inlet design

Hydrologic/hydraulic software

Not found in document

No evidence cited

Approved BMP categories

Detention / retention facilities, Stormwater quality treatment BMPs, Open channels / culverts / energy dissipators, Erosion and sedimentation controls

“Detention/Retention Facility Design / Stormwater Quality Treatment”
Section 4.09 / 4.18