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Public Works Director Chris Mora, used a PowerPoint Presentation (on file) to provide <br />background on Mr. McCalister's request to re -pipe with HDPE pipe, a swale in front of his <br />house, from which County staff had removed a substandard PVC pipe. He outlined staffs <br />concerns on the HDPE pipe, and upheld the recommendation to allow only concrete or metal <br />stormwater pipes within the County right-of-ways. Director Mora acknowledged that staff was <br />willing to try the pipe in certain circumstances, but did not feel that residential application was a <br />good usage. <br />Director Mora, with assistance from County Engineer Chris Kafer, addressed a series of <br />questions posed by the Board regarding FDOT and County regulations; Mr. McCalister's <br />specific job; and the costs for utilizing the HDPE versus other types of pipe. Staff also provided <br />extensive information and analysis regarding the performance characteristics of the HDPE pipe. <br />A broad -ranging discussion ensued, during which the Board and staff considered what <br />would be the best methods for making the HDPE pipe suitable for residential roadways. <br />The Board CONSENSUS was to direct staff to draft and <br />bring back for Board consideration some specifications for <br />using the HDPE pipe for residential applications. The <br />specifications should include mandatory boxed ends <br />(headwalls); ensuring that the pipe is three years of age or <br />less; and making sure the pipe is compacted properly, with <br />the invert positioned evenly. <br />Commissioner Davis asked if there was a way for Mr. McCalister to put the pipe in now, <br />and not to have to wait until staff develops the standards. <br />Director Mora affirmed that the aforementioned standards could be applied to the permit <br />application for Mr. McCalister, and that staff would subsequently follow up with drafting the <br />new standards for residential use of the HDPE pipe. <br />14 <br />June 15, 2010 <br />