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-. �Ct���r c � <br /> . � . . . <br /> � � <br /> To: Melanie Curtis <br /> � �'rom: Willie Gibbs Onsite Septic Manager <br /> Date: September 5,2006 <br /> Re: Septic Design for 560 Big Island <br /> � Melanie,the septic design for 560 Big Island is not adequate for the house plans that have <br /> been submitted for review. The septic designer has called for the design to be sized for a <br /> � three bedroom type II residence. The Orono Septic Code has already been varied since this <br /> is a new residence and the Code calls for a primary and secondary site capable of supporting <br /> a 5 bedroom house, not 3. The limitations for allowing a residence to vary from a 5 to 3 <br /> bedroom septic system was allowed due to the limitations of the lot and it be limited to <br /> seasonal use. I have no problem with this part of ik <br /> The designer then downsizes the drainfield even more by calling the residence a type II <br /> under Minnesota Rules Chapter 7080. To be classified as a type II residence the total floor <br /> area must be between 500 and 800 square feet per bedroom and no more than 2 water use <br /> appliances. The proposed house has 790 square feet per bedroom but includes at least <br /> three water use appliances as per the submitted plans. If the drainfield cannot be made <br /> larger to accommodate the type of house plan submitted,then the house plan needs to <br /> change to accommodate the limitations of the septic system. <br /> The septic tank capacity also needs to be increased to 2-1000 gallon septic tanks in place of <br /> the 1500 gallon tank in the design. <br /> . 1 <br />