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v <br /> A S S O C I A T E S I N C <br /> 7.0 SCHEDULE OF TASKS <br />' The following estimated duration for each task depicts the preliminary time schedules to complete the <br /> previously listed tasks These time estimates do not include delays associated with the evaluation and <br />' installation of the VES and AS system, and permitting or equipment delivery delays The estimated <br /> time frame would commence upon approval of the FRP by the regulatory agencies and award of <br />' contract by the City of Stockton Unforeseen delays may include permitting issues, off-site access <br /> issues, equipment procurement, or other issues <br /> Task 1 Design Plans and Specifications 60 Days <br />' Task 2 Building, Air Pollution Control District <br /> and City Discharge Permits 90 Days <br /> Task 3 Bid Package and Bid Evaluation 60 Days <br /> Task 4 Construction and Construction Inspection 65 Days <br /> Task 5 Systems Startup and Operation 10 Days <br /> Task 6 Systems Performance Evaluation 2-3 years <br /> The schedule assumes that soil and groundwater remediation can be completed in approximately 1 to 3 <br />' years The assumption is based on optimum soli, groundwater, and operating conditions existing for <br /> the VES and groundwater AS system, and that the hydrocarbons can be effectively desorbed from the <br />' soil by volatilization, and removed from groundwater The progress and expected duration of the soil <br /> and groundwater cleanup is dependent on physical factors such as fluctuating groundwater levels, <br />' adsorption and desorption effects, migration of offsite contaminants, and the correlation of data from <br /> specific points (wells and borings)with the actual conditions across the site Fluctuating groundwater <br />' levels in on-site wells may decrease the effective screen available to vent from, and hence reduce the <br /> effectiveness of the VES Duration of cleanup can be more accurately predicted after a performance <br />' evaluation of the VES has been completed <br /> The schedule assumes that the performance evaluation will show that the remediation system is <br /> effectively removing hydrocarbons from areas of impacted sod and groundwater on site It also <br /> assumes that no additional on-site or off-site vapor or groundwater wells, or other remedial <br />' technologies are required to effectively remediate impacted areas, once the treatment system is <br />' W 162174 011CAP report doc 14 <br />