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k' ■ K L E I N F E L D E R Task 4—Reporting Upon completion of the field activities, a short letter report documenting our observations will be prepared for client and agency review. The report will include: • A description of the field activities, observations, and protocols • A well destruction log will be submitted for each well/piezometer to the Department of Water Resources (DWR) All information gathered during the study by Kleinfelder is considered confidential and will be released only upon written authorization from the client or as required by law. California law requires a person to inform the state if a situation is encountered that can be considered an immediate endangerment to the public's health or welfare and/or to the environment. Therefore, the client will be contractually bound to make said disclosures in lieu of Kleinfelder, its owners, principals, employees and subcontractors. CLIENT RESPONSIBILITIES AND ASSUMPTIONS This proposal and the attached cost estimate are based on the following assumptions: • Adequate work space and access will be provided. If the drilling equipment cannot be positioned, alternative methods should be investigated. • The piezometers are to be pressure grouted with a truck mounted drill rig. The domestic/irrigation well will be tremmie grouted using cement sand slurry. If the estimated volume of grout/bentonite slurry used varies significantly from the actual amount used, costs will be adjusted accordingly on a time and expense basis. • The client will provide access to and from the wells/piezometers to be destroyed. Kleinfelder is not responsible for additional costs incurred from inclimate weather conditions. • This proposal is based on the presumption that the client will clearly mark utilities and will provide any and all available survey maps or other data to determine the location of tanks, existing structures, underground utilities and services. • The client should be aware that penetrating the site's surface is inherently risky. It is impossible to determine with certainty the precise location of all structures which may be buried in the ground. Kleinfelder's fee is not adequate to compensate for both the performance of the services and the assumption of risk of damage to such structures. • Underground Services Alert (USA) at 1-800-642-2444 provides a partial location service free of charge for major utility lines. It is important to understand that subsurface structures (such as the septic systems and leach fields) buried under private property will 20-YPO-357/2000429/2000W047 Page A-3 Copyright 2000,Kleinfelder, Inc. November 27,2000