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k4 KLEINFELDER f 3 FIELD ACTIVITES 3.1 MONITORING WELL INSTALLATION AND SAMPLING 3.1.1 Permitting and pre-Field Activities It has been Kleinfelder's experience that this document contains sufficient detail and information to be submitted to San Joaquin County Environmental Health Department (EHD) to review and approve a boring/well permit. Kleinfelder will submit a well permit application along with this workplan to EHD. An encroachment permit will also be required by the City of Stockton to install the monitoring well in Glacier Court. Kleinfelder will obtain the encroachment permit from the City of Stockton prior to well installation. Additionally, a "Revocable Permit" will be prepared for the. City of Stockton prior to the monitoring well installation. The permits must be approved prior to drilling the boring. Following approval from the EHD and the City of Stockton,Xleinfelder will commence with the actual assessment. Please note that Kleinfelder can not commence with the actual field work until the proposed scope of work and the permits have been approved. Additionally, EHD will bill Del Monte Foods for their time spent on,the project. The drilling subcontractor will contact Underground Service Alert 48 hours prior to conducting fieldwork to notify local utilities of our proposed subsurface assessment. 3.1.2 Monitoring Well Installation One (1) soil boring will be advanced to a maximum depth of approximately 90 feet below ground surface (bgs). The monitoring well will be installed in the sidewalk in front of the residence located at APN 15703001, 103 Glacier Court. The boring will be advanced approximately 10 to 15 feet into groundwater. A 2 - inch Schedule 40 PVC monitoring well will be constructed in the boring. The well will be constructed with a ten foot 0.020 screened section and 80 feet of blank Schedule 40 PVC casing, fitted with a locking pressure cap, and installed in a flush mounted well vault. The Waterra High Density Polyethylene (HDPE) tubing.will be installed in the monitoring well equipped with the Waterra surge block fitted over a I - inch'(O.D.) standard flow DelrinTm foot valve (D-25). Please see the attached well construction diagram (Plate 3). Construction of this well appears appropriate to intercept the target stratigraphy at this location. The soil boring will be drilled at a location determined to be downgradient to the former Disco Site located on Glacier Court. 12280.GLAC 1 ST03P010 Page 4 of 1 I Copyright 2003,Kleinfelder,Inc. January 15,2003