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Pagel of 2 <br /> Mike Infurna [EH] <br /> To: Shortridge, Julie <br /> Subject: RE: Revision to Well Permit Application - PGE Zuckerman Rd <br /> Julie, <br /> good job.. This is acceptable to me/the EHD. Please provide a well schematic that details <br /> these dimensions and any product information on the 'pre-packed' well construction as soon as <br /> you can.. <br /> thank you.. <br /> Michael Infurna <br /> SJCEHD.. <br /> From: Shortridge, Julie [mailto:Julie.Shortridge@arcadis-us.com] <br /> Sent: Wednesday, August 03, 2011 10:49 AM <br /> To: Mike Infurna [EH] <br /> Cc: Costa, Aaron; Ralph <br /> Subject: Revision to Well Permit Application - PGE Zuckerman Rd <br /> Dear Mike, <br /> Thanks for your help over the phone today and for letting us know about San Joaquin County's <br /> requirement for 2" of annular space for grouting. I spoke with Ralph at Woodward Drilling, and we would <br /> like to do the following to ensure that there is at least 2 inches of annular space for the grouted extent of <br /> the well: <br /> Use direct-push 3.5" probes to drill to the total depth (17 feet bgs) as described in workplan,then over <br /> drill with 8" hollow stem augers (this can still be done with a direct-push rig)to planned top of bentonite <br /> (6 ft bgs).The pre-packed well will then be built through the probe rods as described in the workplan (10' <br /> screened interval, one foot of bentonite), and then we will pull the probe rods to the bottom of the <br /> auger, and then grout though auger to surface. Aside from the plan for overdrilling the top six feet of the <br /> well, all other details on the construction will be unchanged from the plan presented in the workplan and <br /> original permit application. <br /> Could you please confirm that this is acceptable to you? <br /> Thank you, <br /> Julie <br /> Julie Shortridge I Staff Environmental Engineer I julie.shortridge@arcadis-_is.coitI <br /> ARCADIS U.S., Inc. 13101 Wilson Blvd. Suite 550 1 Arlington,VA 22201 <br /> T. 202.679.6535 <br /> www.arcadis-us.com <br /> ARCADIS, Imagine the result <br /> Please consider the environment before printing this email. <br /> 8/3/2011 <br />