City of McKinney

Engineering Design Manual

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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 Frisco, City of Garland, City of Grand Prairie, City of Houston, City of Killeen, City of Laredo, City of Lubbock, City of McAllen, 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 McKinney”
Title

State

Not found in document

No evidence cited

Version / edition

Engineering Design Manual (Rev. — DocumentCenter 16490)

“Engineering Design Manual”
Title

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

“City Engineering Design Manual / iSWM Technical Manuals”
References

Design Criteria

Design storm return periods (years)

5-year, 100-year

“fully developed 5-year and 100-year flows”
Section 4

Water quality volume method

Section 4 Stormwater Design Requirements cover detention basins and fully developed 100-year criteria. Section 8 Environmental Design Requirements include Post Construction Stormwater Quality Plan permanent controls and reference iSWM Technical Manual structural control screening.

“Post Construction Stormwater Quality Plan - Permanent Controls / iSWM Technical Manual”
Section 8.4

Peak flow calculation method(s)

Fully developed 100-year design storm / water surface elevation, 5-year and 100-year open-channel flows, Modified Rational Method detention pond design, iSWM Technical Manuals referenced for BMPs

“Modified Rational Method Detention Pond Design”
Section 4.10 / figures

Hydrologic/hydraulic software

Not found in document

No evidence cited

Approved BMP categories

Detention / retention facilities, iSWM structural controls / BMPs, Post-construction stormwater quality permanent controls

“Refer to the Rights-of-Way Management Ordinance (Section 90) and Rights-of-Way Construction and Permitting Procedures Manual available online at mckinneytexas.org. Contact the Public Works Department regarding ROW permits at row@mckinneytexas.org or (972)547-1033. ER”
p. 279