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June 28,1990 <br /> Thursday <br /> Day # 19 <br /> Backfilling Continue backfilling of East excavation Compaction <br /> test are averaging 95% AIM is testing every lift <br /> the lift are in 12" layers Last day of continues <br /> L soils testing Will have AIM return on Monday to <br /> spot check base rock compaction <br /> Biocell Measured the final main cell and expansion cell <br />' Measurement Main cell was modified to fit the last plastic <br /> liner run The liner would not stretch <br /> Main cell as built dimensions is 215'x 1751 , filled <br />' to 18" level equalling 2090 CY <br /> Expansion cell dimensions are connecting link <br /> 36'x 8' expansion 77'x 78' filled to 24" level <br />' equalling 467 CY <br /> Biocell Manually turned water on at cell Water for a one <br /> Irrigation hour period The is some puddling of the water at <br />' the low spots on the cell The cell has natural <br /> fall towards the south/east corner <br />' Irrigation Dave Christen said that the 2 x 4 ramp that our <br /> Piping contractor built over the 4" line crossing the <br /> driveway, was already broken Dave asked if we <br /> could pave over the pipe I told him that we could <br /> do this work when the other paving work was done on <br /> une 9th <br /> Equipment CKC removed there excavator equipment today <br /> Remaining equipment is the water truck, loader and <br /> small compactor <br /> Debris Bin Waste management picked up the 20 yard bin filled <br /> with miscellaneous debris generated from the <br /> biocell and the excavation work <br />' Sub Grade Work CKC, using loader to remove native materials from <br /> area to be paved The material is the same as the <br />' over burden The plan is to scrape the top surface <br /> down to sub grade This top material will be push <br /> into excavation as fill Do not want have excess <br /> material to be handled at the end of the fob <br />