Laserfiche WebLink
ORDINANCE 2012-036 <br />of the property. <br />0* A report of any such emergency action shall be made to the department of public <br />works by the owner or person in control of the property upon which emergency action was taken <br />as soon as practicable, but not more than ten (10) days following such action. Remedial action <br />may be required by the director of public works subject to appeal to the board of county <br />commissioners in the event of dispute. <br />Section 930.07. Review criteria for all development projects. <br />(1) Stormwater management system permit (Type A). A41 When a development <br />projects -are is determined not to be within a flood hazard area. a. Type A r-equ ~"ad to+q Abt a <br />stormwater management system (SWMS) permit shall be required and the project shall meet <br />_ejeet shall be issued urAess the following <br />No Type A pefmit to devejepmen4 pr <br />criteria: are-nwy- <br />(a) The design of the on-site stormwater management system and of any off-site <br />stormwater management system improvements shall be based at a minimum on <br />the impact of a twenty -five-year frequency, twenty -four-hour duration storm <br />event on the development project as proposed. Th design of """ ­rTsit' <br />The modified Type II SCS <br />rainfall distribution shall be used. Post development runoff shall not exceed pre - <br />development runoff unless a maximum discharge rate has been adopted for the <br />applicable drainage basin and the discharge does not exceed that rate. Maximum <br />discharge rates for each basin shall be adopted by an ordinance amendment to <br />section 930.071 herein. if - - a '' + '' "+ bee "`'""+"a � - Me <br />disr.hffge-. <br />(b) The hydrologic computations for the stormwater management system shall be <br />based on full hydrograph generation for the development project and contributory <br />area utilizing such methods as published by the Soil Conservation Service <br />(USDA, SCS, "National Engineering Handbook", Section 4, Hydrology: 1985 and <br />"Urban Hydrology for Small Watersheds", Technical Release No. 55: 1986). For <br />projects of less than twelve (12.0) acres, the rational method of runoff <br />computation is satisfactory. The rainfall intensity -duration -frequency curves <br />provided in Volume 2 -Procedures Florida Department of Transportation (FDOT) <br />Drainage Manual are hereby incorporated as a part of this chapter and shall be <br />used in making all required hydrologic computations. <br />(c) Retention or detention with filtration of the runoff from a minimum of the first <br />one (1) inch of rainfall shall be provided on-site. Credit for soil storage shall be <br />given in retention of the first one (1) inch of rainfall. Detention with filtration or <br />Underline: Additions to Ordinance <br />Stfike-thFough, Deleted Text from Existing Ordinance <br />16 <br />C:\Documents and Settings\tlister\Desktop\Revised IRC Flood Protect Ord final 10-26-12.rtf <br />