RES 86104 - Laserfiche WebLink

CDM CAMP DRESSER & McKEE INC. environmental engineers, scientists, planners. &management consullints 710 South Broadway. Suite 201 Walnut Creek, California 94596 415 933-2900 August 30, 1985 Mr. Robert T. Okamura City Engineer City of Pleasanton P.O. Box 5 20 P1 easanton, CA 94566 Modified Scope of EngineerinV. Services Dear Bob: The current Pleasanton/CDM agreement of April 10, 1984, set forth a scope of services that we were to perform and compensation for those services. In August 1984 we determined, after considerable work, that geotechnical problens and land acquisition constraints at the site of the proposed Tank 510-2 on Santos Ranch Road made it impossible to construct a tank that would be safe from long-term foundation stability problems. This determination required that we study alternatives to the proposed 250,000 gallon tank, and the results of our study indicated that Foothill Booster Pump Station No. 2 should be expanded into a more elaborate pump station. The above described engineering services were performed and Foothill Booster Pump Station No. 2 is under construction. The terms of the April 10, 1984, agreement state that CDM's compensation will be 6.5 percent of the construction cost estimate. Therefore, we will not be compensated for the work we have already performed on Tank 510-2 because the tank will not be constructed. In view of the changed scope of services, we formally request the fol lowi ng additional compensation: $ 4,890 for basic services (site layouts, preliminary design and related work) 3,920 for special services ( geotechnical study, 1 imited topographic survey) 2,000 for study and computer analyses of the service area around Santos Ranch Reservoir to determine alternatives to Tank 510-2 $10,810 Total EXHIBIT A SEP 5