5.4.B. SR 04-05-2010 - Laserfiche WebLink

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rd 2/25/2010193 Avenue – Burandt Proposal Grading Currently the area near the stop bar is at an elevation of approximately 938. The elevation at rd the base of the retaining wall is 941. The elevation of the approaching traffic lane on 193 Avenue 360 feet west of the intersection is at 942. The existing elevation at the top of slope just south of the Burandt property line fence is 950. Given all of these elevations any changes to the grading at the southwest corner would require the elevation to be cut to approximately the 941 elevation in areas in which sight lines are to cross. Fencing rd The construction of 193 Avenue includes installation of chain link fencing along the top of the retaining walls that are more than 4 feet in height. The proposed fencing is 6 feet high black vinyl coated chain link. The fencing along the top of the retaining wall west of Tyler rd Street and on the south side of 193 Avenue begins approximately 140 feet west of Tyler Street and runs west for approximately 360 feet. Currently only the end posts are in place, the rest of the fence was not in place when construction was suspended in November of 2009 so the Burandt's request is for grading and installation of 140 feet of additional fencing. One concern if this request by the Burandts is undertaken, there still may be the feeling that a driver on Tyler Street has to "creep" forward to achieve a sight line on 193rd Avenue. This would be due to the curvilinear six-foot high chain link fence that will appear somewhat solid to the driver's eye, so they will want to look around it rather than through it. It is important to remember that the original design (prior to negotiations breaking down) was to accommodate the installation of a ten-foot pathway and not just for sight lines. Cost The cost of the work proposed by the Mr. Burandt is estimated to be $15,000. This would include removal of the retaining wall, tree clearing, grading, restoration, temporary fencing and permanent fencing. In addition there would be a cost associated with preparing a Supplemental Agreement to accomplish the work and a cost of negotiating, preparing and executing the necessary easement document with the Burandts. Finally, there has already been dollars spent on the retaining wall that is in place. Conclusion If the City wants to move forward on this request, the contract with RL Larson is still open, so it could be accomplished by Supplemental Agreement. The Burandts would also need to execute a grading easement which would allow the removal of vegetation, grading of the property and maintaining the established grade into the future. 6