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MINUTES OF THE <br />ORONO PLANNING COMMISSION MEETING <br />Tuesday, January 21, 2014 <br />6:30 o’clock p.m. <br />_____________________________________________________________________________________ <br />  <br />Page 7 of 26  <br />  <br />when the project is all done, the stairway will zigzag, will not be that noticeable from the lake, and will be <br />able to handle a substantial amount of runoff. <br /> <br />Lemke asked what type of timbers will be used. <br /> <br />Gustafson stated they will be treated landscape timbers but not treated with creosote. <br /> <br />Lemke asked whether the timbers will disturb the soil even more. <br /> <br />Gustafson indicated the soil will be disturbed where the posts are located but that the soil would be <br />packed in and the other timbers will help stabilize the slope. <br /> <br />Schwingler asked whether he has done this type of project before. <br /> <br />Gustafson indicated he has done quite a few projects like this. <br /> <br />Landgraver asked what the typical life span is of this type of timber. <br /> <br />Gustafson stated good data is not available for the life of the posts located under the ground, but that it <br />likely will last 50 to 75 years. Gustafson stated the most critical time is the first few months until the <br />vegetation is established. Once the soil is put back on, there will also be a layer of fabric placed on top of <br />that that will deteriorate over time but will provide some stability. <br /> <br />Lemke asked whether the rock swale is considered hardcover. <br /> <br />Curtis indicated Staff in the past has not considered that hardcover. Curtis stated the City does have <br />different drainage systems on different properties for stormwater management, but given the way this is <br />constructed, it is not something that Staff would consider hardcover. <br /> <br />Thiesse asked if there is a means or methods to control the water runoff on top of the hill, such as a swale <br />to slow it down. <br /> <br />Gustafson stated the lawn area will be re-graded to the most natural slope that can be attained on the bank. <br />Gustafson stated the idea is to spread the grade out as much as possible during the final grading, and that <br />the runoff from around the back of the house will drain into a rain garden and go the other direction. <br /> <br />Landgraver noted this property is higher than either adjoining property and that it is a difficult property to <br />work with. <br /> <br />Gustafson stated both of those properties have been graded substantially to create the gentler slope down <br />to the lake. <br /> <br />Lemke asked if the majority of the trees will be preserved. <br /> <br />Gustafson stated they should be preserved with the exception of the dead ash tree that has been removed. <br /> <br />Lemke asked if the pilings will have any effect on the trees. <br /> <br />Item #01 - PC Agenda - * 02/18/2014 <br />Approval of Planning Commission Minutes 01/21/14 <br />[Page 7 of 26]