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I .. I I I I I I I .. I I I I I I I. I I ARDEN HILLS CITY COUNCIL - JULY 8. 1996 12 John Grove, Vice President of Buchen Environmental Services, Inc., advised the curing rate of the resin is approximately two hours and the sewer line may need to be temporarily blocked off, depending on the flow and depth of the sewer. If possible, sewage can be diverted and rerouted during that time, He then explained how service laterals are accommodated. MOTION: Malone moved and Aplikowski seconded a motion to authorize the hiring of Buchen Environmental Services, Chaska, Minnesota, to conduct the repairs to the Oak Avenue sanitary sewer at a cost not to exceed $17,535. The motion carried unanimously (4-0). D. Change Order No.1 for 1996 Street Improvement Project Mr. Statford advised that Pine Tree Drive is one of the streets scheduled for an overlay in the 1996 Street Improvement Plan. However, Ramsey County has indicated there may be a conflict at the intersection of Pine Tree Drive and County Road E in that the new overlay will not match the existing pavement on County Road E or the existing curb at the edge of Pine Tree Drive. Therefore, it is necessary to mill a portion of the existing bitwninous surface to a depth of approximately I Yz inches. The concern is that the loop detectors which control the semaphores at this intersection are typically buried only I Yz to 2 y, inches in the pavement and milling this area could damage or completely destroy the existing detectors. Mr. Stafford stated the Public Works Department recommends the Council approve Change Order #1 appropriating $7,317.40 for the replacement of the loop detectors, if necessary, and that the City Engineer be directed to take all precautions possible to protect and save the existing loop detectors, thereby saving any repair or replacement costs. MOTION: Hicks moved and Malone seconded a motion to approve Change Order No. I in the amount of$7,317.40 for the 1996 Street Improvement Project, as presented. The motion carried unanimously (4-0). ADMINISTRATOR COMMENTS Mr. Fritsinger advised staff has mailed the RFQ for City Hall professional services to about 25 firms and due to the delay in preparation, extended the time period for submittal by one additional week.