Laserfiche WebLink
09/14/1995 04:52 9093579307 TONTO PAGE 05 <br /> • • SOP NO. 10.2 <br /> REVISION NO.0 <br /> DATE: Mnfi 95 <br /> PAGE 4 OF r l <br /> work pians and SOPS, generation of variances to CPT and sampling requirements, issuing <br /> nonconfaamances, eon.) if problems occur. <br /> 4.1.3 Field personnel assigned to CPT, soil sampling, and Hydtopunch® activities are <br /> ' responsible for completing their tasks according to this and other appropriate procedures. All <br /> staff are responsible for rep x g deviations from the procedure to the Site Superintendent, <br /> Delivery Order Manager, or the C QCM. <br /> ' 4.2 Prep wafka Procedure <br /> ' 4.2.1 prior to commencement of CRT activities, elrame that all CRT, soil sampling, and <br /> HydropumchO locations have been appropriately cleared of all undergtonnd utilities and <br /> buried objects per the project work plans. Review all forms and diagrams documenting the <br /> location of the cleated sampling and CPT locatiou, as well as that of any underground utility <br /> lines or other buried objects. <br /> 4.2.2 Performa calibration of air monitoring g equtiptaent tequh+ed for air spar <br /> ' monitoring according to the instrument manufamaer's specifications. Calibration results will <br /> be recorded on the appropriate form(s). as specified in the project work plans. Instruments <br /> that an not be calibrated according w the manufactu='s specifications will be removed from <br /> service and tagged <br /> 4.2.3 Don the appropriate personal protection equipment specified in the project-specific <br /> work plans. <br /> 4.1 Coni P*wtf>ftfon T"Mg <br /> ' In general. the CPT is the first run to be conducted. Tire CRT rig is normally truck-mounted <br /> and contains a hydraulic push system (20 ton is typical). The depth of investigation will <br /> ' <br /> typically be less than 100 feet below ground surface (bgs). Lighter weight rigs an be <br /> utilized for shallow surveys up to Approximately 15 feet bgs. <br /> ' Some CRT rigs are equipped with an au ornatic decontamination system feaaaing an enclosed <br /> chamber that may be mounted beneath the CPT rig (project-specific decontamination <br /> M7j03.1 t:93MVT/SOP/10P10.2 <br />