2008-096 Purchasing - Coulter, Jewell & Thames Amendment for Professional Services Northern Park Septic Project

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r ~~zstx~~....... I ,~~''~~~~~~ t.~*~.~ es~'_,'Fb..~. Coulter ~ leweil ~ Thames~A ~= 171 WEST MAIN 57REET DURHAM, NORTH CgROLINA 27701 p919.682.0388 !919.668.5646 Planning Tor the Tutu ra3. October 2, 2008 Ms. Pam Jones, Director Orange County Purchasing & Central Services P.O. Box 8181 Hillsborough, NC 27278 Dear Ms. Jones: Re: Northem Human Services Center /Park Letter Proposal To Amend Coulter Jewell Thames P.A. Contract Dated 11/9/07 With Orange County For On-Site Sanitary Sewer Treatment System The purpose of this letter is to provide Orange County a proposal to amend our present engineering contract with Orange County dated 11/9/2007 for the on-site sanitary sewer treatment system that will serve the Northern Human Services Center /Park. The proposal being provided is per the request of Orange County. Acceptance of this proposal will authorize Coulter Jewell Thames P.A. to complete the design, permitting, bidding and oversee construction phase services necessary to build the on-site sanitary sewer treatment system that will serve the Northern Htunan Services Center /Park. The engineering services that will be provided if this proposal is acceptable are for additional services not originally required of Coulter Jewell Thames PA. by the 11/9/2007 Contract. It is Coulter Jewell 'Thames P.A. understandmg that since the signing of the 11 /9/2007 Contract with Orange County, unforeseen events and circumstances within Orange County now require a greater involvement with this Project from Coulter Jewell Thames P.A. in order to complete the work that otherwise was going to be handled by Orange County. It is with this understanding that Coulter Jewell Thames P.A. is submitting this proposal to Orange County in order to complete the work necessary to build an on-site sanitary sewer system at the Northern Human Services Center /Park. As of this proposal, Coulter Jewell Thames P.A. has completed the bulk of the work required under our 1 I/9/2007 Contract. Obligations that remain under the 11/9/2007 Contract would primarily have involved assisting Orange County with its design responsibilities for this Project. Orange County's design responsibilities included the sanitary sewer treatment system part of the Project. Coulter Jewel I Thames P.A. was going to provide drafting assistance and coordinate with Orange County the inclusion of our designs for the Grinder Lift Station and Effluent Lift Station with the design of the on-site sanitary sewer treatment system that was to be performed by Orange County. Remaining monies available for use under the 11/9/2007 Contract to assist Orange County total 516,670 as of Invoice No. 08497 dated 9/17/2008. This dollar amount can still be used by Orange County in addition to the additional funds outlined by this proposal that will be necessary to cover the cost of additional engineering services for Coulter Jewell Thames P.A. to complete this Project. E N G t N E E R I N G P L A N N I N G- L A N D S C A P E A R C H I T E C T U R E