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Page 1 of 2 CHANGE ORDER BACK-UP DOCUMENTATION FIN No.: 436379-1-54-01 & 436379-1-54-02 Contract No: IRC -1505 Change Order No.: 01 Amount -$55,000.00-and 0 Days Title of Issue Incorporate Contractor's Proposal to re -design the foundations, substructure and superstructure of the proposed bridge — 66th Avenue Over North Relief Canal. Entitlement Analysis The purpose of this Change Order is to incorporate the Contractor's proposal to construct the 66th Avenue bridge over North Relief Canal based on the proposed redesign of the foundations, substructure and superstructure as a lump sum amount minus the cost the County will incur for this redesign from their Engineer of Record (EOR). There are many benefits to the redesign, including upgrading the bridge structure to the 2021 standards (in lieu of 2015). Most importantly changing from a prestressed/post tension single deck superstructure design to a prestressed Florida Slab Beam (FSB) design will allow the bridge to be opened to traffic in phases. Constructing the bridge in two phases fulfills the contract requirement of always maintaining open lanes of traffic on 66th Avenue as the Contractor's MOT plan must accommodate. The net reduction to the Contract will be the redesign fee of $55,000.00, which the County will use to reimburse their EOR for the engineering costs to perform this revision. II. Time Analysis The Contractor is not pursuing any time nor is time warranted for this change. III. Engineer's Estimate a. Basis of Estimate The Engineer's Estimate totaling $2,370,915.00 was based on the original contract unit prices for all pay items related to the construction of the North Relief Canal Bridge ($2,425,915.00) less the cost of the engineering re -design of $55,000.00. b. Estimate The Engineer's Estimate for the re -design of the North Relief Canal Bridge resulted in the amount of -$55,000.00. This price includes all mark-ups and no bonding. Refer to Appendix "A" for a breakdown of the Engineer's Estimate and Exhibit "C" for the backup documentation. c. Contractor's Quote The Contractor's quote is a zero -dollar ($0.00) Change Order with the cost of the re -design from WGI, Inc. (Subconsultant to ARCADIS U.S., Inc.) to be removed from the contract for Indian River County to reimburse WGI, Inc. for their work. d. Final Disposition Since the Contractor's cost proposal in the amount of -$55,000.00 is the same as the Engineer's Estimate, the Engineer & the County have accepted the Contractor's price. :i