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PPLIED TESTING CONSULTANTS <br />MATERIALS ENGINEERING <br />Nuclear Density Testing Report Per ASTM 1557 <br />Report 3". No. <br />cheat: Alliance Environmental pass: 1 of 2 <br />3060 Thomtree Drive, Suite 60 Date: 6/5/98 <br />ruy Chico, CA 95973 Tech: M. Haydon <br />. Willy lrvrin <br />project Tank Removal Backfill, Stockton Aviation Airport Facility <br />r.r n.ee.i ne Tan Silty Sand <br />Gauge p CALIBRATION DATA: tensity std. Std. Density Xi A <br />Req'd % <br />Equipment <br />Curve No. T-1 Max Dry Density 108.3 <br />Tom Wet H2O <br />Test # Degith Location Elev. Density Density <br />Opt. Mast. Content 15.7 <br />Dry Moisture % <br />DensitV Content Corn . <br />95% <br />Results <br />18 12" See Location Map <br />FG -1.0' <br />121.0 <br />18.0 <br />103.0 <br />17.4 <br />96% <br />PASS <br />19 12" Sae Location Map <br />FG -1.0' <br />121.8 <br />18.8 <br />103.0 <br />18.3 <br />96% <br />PASS <br />20 12" Sea Location MaE <br />FG <br />119.2 <br />17.9 <br />101.3 <br />17.7 <br />94% <br />OK <br />21 12" See Location,Map <br />FG <br />122.6 <br />17.2 <br />105.4 <br />16.3 <br />98% <br />PASS <br />22 12" ISee Location M <br />FG -1.0' <br />123.11 <br />21.0 <br />102.1 <br />20.6 <br />95% <br />PASS <br />23 12' See Location Map <br />FG -1.0' <br />120.0 <br />17.9 <br />102.1 <br />17.6 <br />95% <br />PASS <br />24 12' See Location Map <br />FG <br />120.9 <br />18.1 <br />102.8 <br />17.6 <br />95% <br />PASS <br />25171Sea Location Mae <br />FG <br />122.2 <br />19.2 <br />103.0 <br />18.7 <br />96% <br />PASS <br />26 12' See Location Map <br />FG <br />121.6 <br />19.3 <br />102.4 <br />18.8 <br />95% <br />PASS <br />27 12" See Location Mae <br />JFG <br />1 120.4 <br />18.2 <br />102.2 <br />17.8 <br />95% <br />PASS <br />,o" _.e.•Arrived at jobsite at 0800 hrs. to perform compaction testing in backfill material placed around the tank <br />removal area. At the time of our arrival, the contractor had completed removing all clay soils beneath the future <br />concrete slab to the satisfaction of the United States Army representative. Backfill material was placed in 6"-8" <br />loose lifts and thoroughly compacted with a vibratory smooth drum roller prior to placement of additional fill soils. <br />Nuclear density compaction tests were performed at randomly selected locations to verify that compaction <br />requirements were being met. Relative compaction test results along with corresponding elevations are indicated <br />above. For test locations, please refer to the attached location map. Where test results indicated significantly less <br />than the 95% relative compaction requirement, additional compactive efforts were applied until satisfactory <br />compaction was achieved. Based on the test results compiled on this project and witnessing the earthwork <br />operations, it is our judgement that the backfill material placed in the clay removal area beneath the proposed <br />concrete drive slab was properly moisture conditioned and compacted to the requirements of the project plans and <br />specifications and the applicable chapters of the 1994 UBC. Departed jobsite at 1330 hrs. <br />3080 Thorntree Drive, Ste. 35 • Chico, CA 95973 • Telephone: (530) 891-6625 - Facsimile: (530) 891.4243 <br />