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DAILY FIELD REPORT Page 1 of 1 Project Name: Foothill Sanitary Landfill - Area 2A Report Number: 051 Project Number: 14-101-01 Date: Tuesday 07/21/15 Owner: Dept. of Public Works, San Joaquin County CQA Monitors: Jude A Contractor: R J Gordon Construction, Inc. M. Hu and Weather: Clear Wind: 0-10 mph. Tem erature: A2prox. range 70- 95 F Other: The contractor worked from 5:30 am to 5:30 pm. Excavation: (1) CAT D6 dozer finish graded Basin 2. (1) 4k gallon water truck was used to maintain excavations, haul roads and fill areas. Slope Subgrade Preparation: No activity observed. Access Road: No activity. Foundation Layer: (1) water -truck moisture conditioned and 14 H motorgrader brushed over the foundation layer. (1) CAT 54B smooth drum roller compacted and smoothed the finish surface on the floor. Up to 4 laborers assisted in addressing irregularities in the floor finish surface. Sump /Lysimeter Construction: (1) Hitachi 300 excavator placed foundation material in lifts in the lysimeter excavation, the material was compacted by using a large vibratory plate, the slot for the lysimeter burrito was then excavated by hand. The HDPE welds have been spark tested. A small 1" cut was made in the liner floor which will be repaired in the morning. Soil Gas Collection Pipe: The pipe backfill zone for the floor foundation layer has been finished and tests indicated compliance with the specifications. North West Stockpile: No activity was observed. South Stockpile 2 (Operations): No activity was observed. South Stockpile 3: No activity was observed. Geosynthetic Liner: Geosynthetics detailing and deployment continued on the floor in the NW corner. QA activities included monitoring of placement, trial welds, seaming and collection of destructive seam samples. A cumulative quantity of approximately 207,000 SF of GCL and geomembrane has been deployed. Relocate 12"Gas Main T&M: The contractor used the CAT 320 excavator and up to 2 laborers to continue with the gas main relocation from 7 am to 3:30 pm. Backfill began and one compaction test indicated compliance with the specifications. Whackers and the large vibratory plate were used for compaction effort. There is a small amount of fill left for completion. (1) Water truck supplied moisture conditioning. Equipment Onsite: (1) CAT D8T dozer, (1) CAT D6T LGP dozer, (1) CAT D6R dozer (with slope board) (1) CAT 621G water pull, (2) CAT 627 scrapers, (1) 14H motorgrader, (1) CAT 825H compactor, (1) water truck, (1) Hitachi 300 excavator, (1) CAT CS 54B smooth drum roller (vibratory type), (1) CAT TH160B folk lift,, (1) CAT 430D backhoe. (1) CAT 320 excavator Problems/Resolutions. Visitors: M. Raub Reviewed By: M. Raub ELL, 0 iiw� .7