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

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D*Ibble Engineering* May 13, 2013 Prescott Municipal Airport Ernest A. Love Field 6546 Crystal Lane Prescott AZ 86301 Attention: Mr. Jeff Tripp Community Development Director RE: ENGINEERING SERVICES PROPOSAL Authorization of Services No. 3 Construction Phase Services Change Order Request No 4: Additional Construction Administration RW 21L-3R Runway Safety improvements PRC Proiect No. 2010 D8003 7500 North Dreamy Draw Drive Suite 200 Phoenix, Arizona 85020 phone 602.957.1155 fax 602.957.2838 www.dibbiecorp.com We appreciate the opportunity to provide additional construction administration services to meet the needs of Prescott Municipal Airport. The additional construction administration services are needed due to the extended effort required to close-out the project. The project completion was determined to be around the first week of May 2013, approximately four months later than originally anticipated, (an additional two months beyond what was anticipated for Change Order Request No. 3 based on the Contractor's submitted project schedule at that time). We have also included, (as an Allowance Item), effort to continue coordinating with and supporting the City of Prescott and the Airport through miscellaneous contractor claims. This effort cannot be worked without prior approval from the City/Airport. The Dibble Engineering team additional efforts have been spent coordinating with the Contractor regarding contract requirements, providing specification clarification, reviewing change requests, evaluating schedule issues and impacts, providing additional daily on -site observation and inspections, additional construction administration, coordination and attendance at additional construction meetings, coordination of claims, etc. We are proposing an additional time -and -materials not -to -exceed fee of $50,977.28 to close-out the project. We are also proposing an Allowance of $20,000 for contractor claim supportive services. Transmitted herewith are the Fee Summary, Derivation of Fee Proposal Summary and Estimated Manhours for the members of the team that were required to exceed their original limits. We greatly appreciate the opportunity to work with Prescott Municipal Airport and are excited to be a part of this critical safety improvement project. If you need additional information or have questions, please do not hesitate to call. Sincerely, Dibble En ineering Steven E. Rex, P.E. Chief Operations Officer Enclosures