CC - Agendas - City Council - REGULAR - 7/23/2013

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COUNCIL AGENDA MEMO - July 23, 2013 DEPARTMENT: Airport AGENDA ITEM: Approval of Change Order No. 4, City Contract No. 2011-015 A4, with Dibble Engineering for professional services associated with the Runway 21 L-3R Runway Safety Area Improvement Project in the amount of $70,977.28 Approved. By: udW. Department Head: Jeffrey Tripp7/10/2013 Finance Director: Mark Woodfill City Manager: Craig McConnell ?- l6-13 Item Summary This item is to enable payment for work performed by Dibble Engineering beyond the original scope set forth by the construction phase engineering services contract. The amendment covers construction management services provided after January 31, 2013. The project was originally scheduled to be completed by the construction contractor in November 2012. Background In April 2012 the City contracted with Dibble Engineering for construction administration and related professional services for the Runway Safety Project in an amount not to exceed $648,414.21. The three prior change orders involved project design work and attendance at a required FAA training conference. Change Order No. 4 is necessary to compensate Dibble Engineering for work beyond the original scope, and includes requests . for technical and contractual information, contractor change orders, and project close-out costs. In addition, Dibble Engineering has of necessity been required to spend extensive time explaining contract requirements, providing specification clarification, reviewing change order requests, and evaluating scheduling issues with the contractor. Budget Construction management expenses are grant eligible and will be reimbursed at a rate of 95% ($67,429) by the FAA; 2.5% ($1,774) ADOT; leaving 2.5% ($1,774) as the net cost to the City. At the end of the project, the Airport will submit a grant amendment to include the additional cost for construction management services. The FAA and ADOT have confirmed that the contract amendment with Dibble Engineering is eligible and will be reimbursed. With the City Council's approval of this request, the total Authorization of Services contract amount will increase by $70,977.28 to $879,500.44. Attachment - Dibble Engineering — Change Order #4