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VECTOR ENGINEElUNC� INC. 0 DAILY CONSTRUCTION► REPORT Project Name: Project No. Daily Field Report Sequence Number: Forward Landfill Closure 021605.06 21 Location of Work: Client Or Manager Date: Day of The Week: Manteca, Ca Ruben Ramirez 15, 2005 1 Thursday General Contractor: Liner Contractor: -September Project Engineer: Guinn Construction BAS General Foreman: Liner Superintendent: Others: Larry Simms Source and Description of Fill Material Weather: CQA Technician: On site native light brown silty Clay Warm, clear and breezy Ken Davila 4—F---1 vu a LV. 1-Sheepsfoot roller, 3 -water trucks, 1-D6 dozer, 6-627 scrapers, 1-140 blade, 1- John Deere with discs, 1-966 loader, 1 -backhoe NOTES (Describe work completed during the day, any problems and their solutions): I arrived on site today for observations and documentation at the job location listed above. Guinn Construction continued using the 627 scrapers to haul clay throughout the day. One dozer, one water truck and the sheepsfoot roller also worked on the north slope. The other water trucks moisture conditioned the haul roads and the cut area behind the tractor with discs. The contractor continued excavating the I% slope for the seep collection pipes along the toe of the north slope. Sections of perforated and nonperforated pipes were placed along the shallow trench, west to east, as were the leachate collection sumps, drain rock, geomembrane and geocomposite. Twenty five (25) nuclear moisture density tests were performed at random locations and elevations on the north slope fill area. All tests passed the specified values in density and moisture content and the on site foreman was verbally informed of the test results. Three (3) drive tube permeability tests samples (P-7, P-8, & P-9) were collected from the north slope fill area. These samples, and those collected yesterday, will be transported to the Vector laboratory today for off site testing. Baggie samples CL -9 through CL -15 will also be transported for off site lab testing. Because of the lack of percentage of fines in the material and the increase in coarse sand, it was suggested that the scrapers move to the northern portion of the cut area. In the late afternoon, two test pits were excavated with the backhoe to sample material at lower intervals in the cut area in order to see if this would get better with depth. As is, the material at the eight to ten feet interval is hard, blocky and has considerably less fines (-200) than the material used so far. These will be tested on site for moisture value and —200 content. Off site laboratory testing will be used to confirm field results. By: Reviewed By: Rc 4/23/03, Rev. 0 1 of 1 C-2