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CR 512 EMPROVEMENTS/MARTIN PAVING/CHANGE ORDER NO. 4 <br />The Board reviewed a Memorandum of February 8, 1995: <br />TO: <br />THROUGH: <br />FROM: <br />SUBJECT: <br />DATE: . <br />James Chandler <br />County Administrate <br />James W. Davis, P.: <br />Public Works Direc- <br />Roger D. Cain, P.E <br />County Engineer <br />Change Order 4 <br />Project 8612 <br />February 8, 1995 <br />DESCRIPTION AND CONDITIONS <br />This contract has a current contract amount of $2,783,574, 1c: , of <br />which $2,464,716.88 was for the CR 512 corridor Improvements, the <br />rest was for CR 510 and CR 512 intersection improvements. As of the <br />January payment $1,647,135.25 has been paid, or about 59% of the <br />contract. This Change Order No. 4., for $75,078.38 increases the <br />contract amount to $2,858,652.53. At this time the Contractor is <br />progressing well and indicates the project should be finished <br />reasonably close to schedule in spite of the number of days with <br />rain last year. <br />This change order incorporates several changes to quantities on <br />this project. The county requested that a turn lane be added for <br />the North County Library because the County was not able to require <br />the developer to locate the Laconia St. extension on the east <br />library property line. There was an underestimation of the group 9 <br />base and the 2" asphalt course. The reduction in the leveling <br />course resulted from the decision to overlay the side streets <br />rather than do a more expensive and more traffic disruptive <br />reconstruction, which would have also required longer to construct. <br />The addition of the tie backs for the new and replaced headwalls <br />resulted from our observation that the existing headwall, which we <br />are replacing where our construction required replacement, did not <br />appear adequate and needed further support. At this time we do not <br />anticipate any other significant overruns of quantities, other than <br />sidewalk as a result of field change"s due to utility conflicts and <br />increasing the width by one foot, although we will be using sod and <br />the planted buffer trees to provide as much buffering and aesthetic <br />enhancement as possible. <br />ALTERNATIVES AND ANALYSIS <br />Alternative 1: Approve the change order and direct the Chairman to <br />execute the change order on behalf of the Board. <br />Alternative 2: Deny the change order. <br />RECOMMENDATION AND FUNDING <br />Staff recommends Alternative 1, funding to be from account number <br />101-153-541--067.38 _ <br />BOOK 94 P°!Jc • J1 <br />FEBRUARY 14, 1995 25 <br />