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C DAILY FIELD REPORT Page 1 of 1 Project Name: Foothill Sanitary Landfill - Area 2A Report Number: 080 Project Number: 14-101-01 Date: Monday 08/31/15 Owner: Dept. of Public Works, San Joaquin County CQA Monitors: R. Nogales Contractor: R J Gordon Construction, Inc. M. Hu and Weather: Clear - Hot Wind: 0-10 mph. Tem erature: Apgrox. range 61- 94 F Other: The contractor worked from 5:00 am to 4:30 pm. Operations Layer Processing: Contractor continued screening of operations stockpile today at 6:00 am. (1) Hitachi 300 excavator, (1) CAT D6 dozer (1) 950 M Loader was used to perform screening operations. The Hitachi 300 was used to load soil from the western end of Stockpile 2 into the Power Screen screening plant. Screened product was stockpiled in a cone using a belt stacker to keep the screened soil separate from unprocessed soil. (1) 950 M Loader was used relocate +1" from under the belt into separate stockpile. (1) Sample collected from today's stacker belt stockpile. Full gradation was performed in field lab. Lab results indicated 100 % Passing 1" Screen. Screening operation ended at 2:30 pm. Operations Layer Placement: (1) Hyundai 300 loaded (2) Cat 745 Dump Truck with Screened Operations Layer for placement on cell floor. (1) D6 LGP Dozer was used to spread Operations layer 2 ft thick over deployed 8 oz/sy geotextile along middle of cell working to the north and west Random samples of Operations layer were hand sieved in field with 1" screen during placement. Observed 100% passing 1" screen. Operations layser placement discontinued at 3:30 pm. At approximately 7:00 am (1) Cat 745 Dump Truck tipped over while discharging load. Dump Truck was up righted and parked for balance of day. (2) Laborers and (1) John Deere 410 Backhoe used to expose 8oz/sy geotextile in this location to check for damage. No damage observed. Gravel Drainage Material Placement: Import operation not running today. (1) CAT D6 LGP dozer equipped with GPS spread previously stockpiled GDM in the center of cell floor pushing west this morning beginning at 5:00 am. (1) Laborer controlled wrinkles. GDM placement discontinued at approximately 1:30 pm due to moderate to heavy wrinkles observed in HDPE Liner. AES QA personnel monitored the placement and verified the depths of the placed LCRS gravel by using a dulled probe. The D6 Dozer tore a 4 by 6 ft cut through HDPE liner and GCL during grading of GDM middle of cell floor approximately 100 ft south of the north slope. Liner repair was scheduled for 9/1/15. Geotextile: No activity observed today. Geocomposite: Geocomposite deployed on the north slope starting in the NE corner and proceeding to the West. Observed nylon ties secured at 3 foot intervals along length and 6 -inch intervals along width. Geotextile seams were sewn using hand sewing machine. Installation resulted in horizontal seams on the slope. The horizontal seams were joined per the specifications and information provided by the Engineer. Leachate Collection Pipe: Contractor welded portions of Leachate Collection Pipe at the toe of eastern slope. No gravel placed at this time. 24" HDPE Riser Pipe: (1) Hitachi 300 excavator, (1) Hyundai 480LC excavator, and (1) CAT D4 Dozer were used to set Primary Riser and Primary Inspection pipe in Sump. The perforated sections of the pipes were not set flush to the sump floor. Contractor indicated that the pipes would be arranged to conform to the details. Equipment Onsite: (1) CAT D6T LGP dozer, (2) water trucks, (1) Hitachi 300 excavator, (1) CAT TH160B folk lift, (1) John Deere 410 Backhoe. (1) CAT 623 paddlewheel scraper. (1) Power Screen, (1) Belt Stacker, (1) Hyundai 480LC excavator, (1) CAT D6T dozer, (2) Cat 745 Dump Truck, (1) Cat 950 M Loader (1) CAT D4 Dozer Problems/Resolutions. Visitors: M. Raub Reviewed By: M. Raub