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<br /> <br />CHAUDHARY <br />& ASSOCIATES, INC. <br /> <br />ENGINEERS <br />. <br /> <br />SURVEYORS <br /> <br />. <br /> <br />INSPECTORS <br /> <br />851 NAPA VALLEY CORPORATE WAY. SUITE G . NAPA, CALIFORNIA 94558-7551 <br />PHONE: 707.255.2729 . FAX: 707.255.5021 . WWW.CHAUOHARY .COM <br /> <br />May 27, 2005 <br />#04-09-062 <br /> <br />Mr. Peter Vokametsanti <br />City of Redwood City <br />1017 Middlefield road <br />Redwood City, CA 94063 <br /> <br />Re: <br /> <br />Agreement for Professional <br />Consultant Services <br />Ralston A venue / Route 101 <br />Interchange Construction Project Dated 12/28/05 <br />Request for Amendment No.1 <br /> <br />Subject: <br /> <br />Dear Mr. Vokametsanti: <br /> <br />This letter is a request to increase Chaudhary & Associates' construction staking budget for the referenced <br />project by $75,000.00. Thereby, this Amendment No.1 would increase our authorized Time and Expense <br />Budget to a total of $170,877 .60. Chaudhary & Associates, Inc. took over construction staking responsibilities <br />on the Ralston A venue / 101 Interchange project on a Time & Expense Basis beginning 11/29/04. At that time <br />the construction was estimated at 30% complete. After approximately six months of performing construction <br />staking support services we have exceeded the authorized budget and there is still significant construction to be <br />completed. We underestimated the construction staking work remaining as of 11/29/2004 and we did not take <br />into consideration the following: <br /> <br />1. We have responded to 7 Harris & Associates survey requests (3HA-lOHA) related more to design <br />issues like utility conflicts than construction. <br />2. We were asked to perform a topographic survey, prepared topographic mapping and staked a detour <br />through the Mercedes Dealership that was not identified on the project drawings. <br />3. Some construction staking requests have gone far beyond industry standards in requesting excessive <br />numbers of stakes. An example is retaining wall stakes requested @ 2M spacing when the industry <br />standard is 10M minimum. <br /> <br />A". <br />-t" {f. Overtime work has been authorized that was not included in our original estimate. <br /> <br />In summary, we underestimated the time and problems that we would be encountering on this difficult project. <br /> <br />Eak:jb <br /> <br />Sincerely, <br />CHAUDHARY & ASSOCIATES, INc. <br /> <br />~~ <br /> <br />Edward A. Kru , .E. <br />Project Manager <br /> <br />--- <br /> <br />EXHIBIT <br /> <br />It <br /> <br />13IJI~!J~I\JG THE. INFRASTRUCTURE . <br /> <br />~ <br /> <br />PROTECTING THE ENVIRONMENT <br />