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$123,656. While final project delivery costs could be less, the KPG cost represents the <br />best cost basis for assigning value to the RID. <br />DISCUSSION: <br />PW's preliminary basis of cost was generated in 2017 when PW believed the project <br />would progress as an "in-house" design. The unexpected departure of the County <br />Engineer along with ongoing vacancies in PW design/construction division supported <br />using consultant design. While KPG and PW agree on many bid items, numerous costs <br />differences push the estimate upward. Overall project reductions in cost could result <br />from construction by "County Forces" in 2019. Any cost reductions could first be <br />applied to the Board's cost contribution towards total project costs_ <br />PW is now ready to prepare RID formulation documents supporting the RID <br />establishment process. <br />FISCAL IMPAC S: <br />The RID assumes: 15 year cost recovery period, three percent interest, 66 benefited <br />properties with a cost contribution of $600,61.4. The resulting approximate annual <br />assessment per lot is $740. <br />The BOCC's cost contribution would require ($874,270 - $600,614) $273,656, <br />representing 31 to of all project costs. <br />ATTACHMENTS: <br />Exhibit 1: PW Letter 10-25-2017 <br />Exhibit 2: Cost Comparison by Line Item (PW vs KPG) <br />Exhibit 3: Project Cost Summary <br />Page 2 of 5 <br />PUBLIC WORKS BOARD OF COUNTY COMMISSIONERS WORK SESSION STAFF RRPORT <br />