Ord 1982-018 - Laserfiche WebLink

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d. Erosion prevention techniques as referenced in "Erosion and Sediment Control Guidelines for Developing Areas in Texas" will be utilized to obtain drainage objectives for channelization and overland flow. (2) The report and plan for erosion control and restoration measures shall comply with the Soil Conservation Service manual titled "Erosion and Sediment Control Guidelines for Developing Areas in Texas". (3) The Director of Public Works, or his designated representative, may modify the approved erosion control and construction sequencing plans upon written notice forty-eight (48) hours in advance to the holder of a site development permit when new information reveals a latent condition or evidence that there was a serious deficiency in the approved plan which makes the controls and/or sequencing approved inadequate because of said new information. The holder of the site development permit shall have the right to appeal the decision to modify the approved erosion control and construction sequencing plans to the Director of Public Works; provided, however, that all work being done pursuant to said site development permit shall cease for the duration of the appeal. If dissatisfied with the decision of the Director of Public Works, the holder may appeal the decision to the City Manager; further appeals shall be made to the City Council; provided, however, that said cessation of work shall continue for the duration of the appeal. C. Runoff attenuation. (1) All drainage channels on the site shall be designed to minimize potential erosion. (2) All constructed and altered drainage channels shall be stabilized and vegetated immediately after final grading. (3) The rate of runoff after construction shall be equal to or less than the site's runoff prior to construction. Rate of runoff shall be computed on a 25-year storm peak flow using the City of Austin Drainage Criteria Manual as of the effective date of this ordinance. D. Wastewater collection and disposal. (1) Organized Sewer Systems. All construction of sewer systems within developments which require compliance with this ordinance shall comply with the special standards of Sec. VII-B of the City of Austin manual, "Standard Specifications for Water and Wastewater Util ity Construction" as of the effective date of this ordinance. If the system is over the Edwards Recharge Zone, construction standard specifications for wastewater will be done in accordance with the Texas Water Development Board Edwards Rule. 7