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FORWARD LANDFILL <br /> ENGINEERING PRE-TEST <br /> OCTOBER 3, 2006 <br /> Narrative report prepared by Eric Tjensvold of Bryan A. Stirrat & Associates: <br /> Two ADC materials were tested on October 3, 2006 to develop procedures to be used <br /> during subsequent tests scheduled for October 11 and 12, 2006. 1 was on-site shortly <br /> before 9 am, when I met Ruben, (Forward Landfill's Site Manager) who drove me up to the <br /> working area. As the tippers had been moved the night before, a relatively small test area <br /> was available - I decided to run the tests on a 50' x 50' section rather than the planned <br /> 100'x100'. The same procedure was followed for both greenwaste and treated auto <br /> shredder waste (TASW). Greenwaste was tested first, and TASW was done after lunch. <br /> A flat test area was prepared by a CAT 836G compactor, which compacted the surface <br /> until the machine "stood up" off the surface rather than sinking in and causing ruts and <br /> heaves. Once prepared, I measured a 50' x 50' square area, marking the corners of the <br /> area with PVC pipe. Site personnel then weighted an empty CAT D330 dump truck to <br /> establish the tare weight, and commenced delivering loads of ADC to the prepared test <br /> area. <br /> Greenwaste: Six (6) loads of processed greenwaste, with a net weight totaling 87,680 <br /> pounds, were placed over the test plot up to an approximate depth of 1 foot.. <br /> TASW:Seven (7) loads of treated auto shredder waste (TASW), with a net weight totaling <br /> 149,580 pounds, were placed over the test plot up to a depth of 1.5 feet. <br /> A CAT D8R dozer spread and track-walked the material as it was placed in a manner <br /> consistent with normal operating procedures at the site. During placement of the <br /> processed greenwaste, the initial measurement indicated 6-8" of material had been placed. <br /> Thereafter, I directed additional loads to be delivered and spread and compacted until the <br /> thickness was approximately 12" as specified in the BAS work plan and in accordance with <br /> 27 CCR Minimum Standards. A similar procedure was followed for the TASW, up to an <br /> approximate thickness of 18" as specified in the BAS work plan and in accordance with 27 <br /> CCR Minimum Standards. Based on follow-up discussions with Ruben a bit more TASW is <br /> generally placed in order to provide adequate cover with no daylighting of waste. <br /> 1 <br /> j.\AI1ied\Forward\2006.0154 ADC Test\ADE Test Report\App A Engr Pre-Test.doc <br />