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,, HALL COUNTY PUBLIC WORKS DEPARTMENT <br /> %`Y t:;:*t:I r‘at,p' 2900 WEST 2nd ST, GRAND ISLAND, NE 68803-5263 <br /> s rf �� www.hallcountyne.gov <br /> PHONE: (308) 385-5126 FAX: (308) 381-6486 <br /> ; r K Steven P.Riehle,P.E. <br /> tt County Engineer/Highway Superintendent <br /> F"'-`t stever@hallwuntyne.gov <br /> ajRA r: <br /> November 9, 2018 <br /> Summary of County Board Agenda Item <br /> Discussion and consideration of approval of change order number Change Order#3 on the 2018 <br /> Hall County Administration Building Parking Lot Replacement Project to remove and replace-life <br /> sidewalk east of the administration building and eliminate the drop off to the private entrance. <br /> Background <br /> The bids for the parking lot replacement project were opened on August 21, 2018 and a contract <br /> awarded to Bigzby's, Inc. of Grand Island. <br /> Change order Number 1 to reduce the island width in the parking lot and pave it with colored <br /> stamped concrete median surfacing was approved by the county board on October 2, 2018. <br /> Change Order#2 is being considered by the county board at this same meeting. <br /> Discussion <br /> A good portion of the sidewalk east the Hall County Administration Building was proposed to be used <br /> in place. Supervisor Quandt suggested we look into the cost of removing & replacing sidewalk to <br /> eliminate the drop off outside the private entrance on the east side of the building. <br /> Supervisor Quandt also noticed a roof drain from the building that drains into a pipe that goes under <br /> the sidewalk. The pipe under the sidewalk was overlooked during design and also overlooked white <br /> setting up the construction elevations for the parking lot. The outlet for the outlet pipe under the <br /> existing sidewalk is below the surface of the new concrete parking lot and no longer functional. <br /> Removing and replacing the sidewalk will eliminate the drop off. Removing some sidewalk will also <br /> provide room for a steel box to be placed under the concrete sidewalk to carry the water from the roof <br /> drain under the sidewalk. We looked into underground pipe to the gutter along Court Street, but the <br /> length of pipe is much longer than taking the roof drain water east to the new parking lot. <br /> Recommendation <br /> Discuss and approve change order number 3. <br /> Clk# <br /> C:). e—gat. <br /> Steven P. Riehle <br /> Hall County Engineer/Highway Superintendent <br /> cc: Doone Humphrey, Building and Grounds <br /> Attachments: Change Order Number 3 <br />