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<br />k lot z .~. ass 0 cia t e 5 <br /> <br />If and when construction of regional detention projects occur, the order of their <br />construction will be dictated by several factors which cannot at the current time be <br />determined: <br /> <br />. Where and at what level development is occurrmg in the City and thus the <br />magnitude of the need for having regional detention <br />. Whether all needed detention is to be provide by regional detention or only a <br />portion of the needed detention would be provided by regional detention; this <br />factor may be significant if deciding the number of actual detention projects to be <br />developed to meet an overall detention need (because as has been previously <br />noted, all the projected regional detention for a particular channel system does not <br />have to constructed at one location). <br />· What type of funding arrangements are to be used to pay for cost for construction <br />of a regional detention pond <br />· To what extent joint regional detention projects developed in conjunction with <br />HCFCD or other cities can be relied upon to meet regional detention goals <br />· Whether regional detention or on-site mitigation is to be used by developers in the <br />area potentially serviced by a regional detention facility. <br /> <br />In regard to use of regional detention versus on-site detention (the last issue in the above <br />list), decisions about use of regional or on-site detention will likely in large measure be <br />determined on a cost basis: Is it more cost efficient for a developer to pay for <br />participation in regional 'detention or to develop on-site mitigation but lose developable <br />land because of on-site pond construction? To gauge the potential choice to be made, <br />there is included in Tables 5-2 (for FEMA modeled ch81mels) and 5-3 (for non-FEMA <br />modeled channels) data which presents the cost of regional detention per acre of <br />developable land (i.e., currently open land presumed to be fully developed in the future) <br />tributary to the regional detention site. The smaller the value of this dollars per acre of <br /> <br />5-5 <br /> <br />Klotz Associates Project No, 0127.008.000 <br />January 2009 <br /> <br />La Porte Citywide Drainage Study <br />City of La Porte <br />