2013-08-23_REPORT - M1980244 (3)

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, TW_1 In addition to the structural fill placement for the PSSA toe berm embankment, the contractor continued cut to fill operations and compaction by method specification located at the mid -way ADR haul road location at approximate Sta.44 +00 — 47 +00. A Cat D8 Dozer with GPS and a Cat C556 Smooth Drum roller was utilized. Progress is expected to continue. See Hwy 67 below for detail of embankment fill progress. Note: An Amec field representative monitored structural fill material temperatures placed within the areas of fill during all shifts. Average structural fill temperatures were above 327 Clay (SLFl Processing: Cameron Site: No clay mining or processing occurred during this reporting period due to a saturated site from previous rains. However on July 31St an Amec representative potholed 17 test pit's to determine possible clay limits within an area of the Whex, adjacent the Cameron site. A sample was taken from each pit and returned to our laboratory for classification and permeability testing. Results will be forwarded upon completion. Squaw Gulch Site: No work occurred at the VLF clay borrow site during this reporting period. Underdrain System: Secondary Underdrain: No work was performed on the Secondary underdrain during this reporting period. A total of 1380 feet of Secondary underdrain has been completed. Primary Underdrain: No work was performed on the Primary underdrain during this reporting period. A total of 1280 feet of Primary underdrain has been completed. Temporary Underdrain: Temporary underdrain pipe is installed thru the embankment. No other work occurred during this reporting period. Tree /Slash Clearing, Chipping: Seed Masters paused operations until further notice. B) Underground Workings Confirmatory drilling was not performed during this reporting period.. During this reporting period exploratory excavation was performed on UG working No. U6122, No. U6255, No. 6260 and No. U6263. Site's listed require further investigation and excavation into bedrock as remediation continues to be completed. It should be noted, working No.U6263 is planned to have a concrete Mug and cemented rock fill for remediation. Its expected remediation on this working will be completed during the next reporting period. During this reporting period remediation efforts were performed and completed on UG working No.6079, No. 6084, No. 6196, No. 6206, No. 6251, No. 6252, No, 6253, No. 6254, No. 6255, No . 6259, No. 6264, No. 6265 and No. U6267. Sites listed were excavated to practical refusal into rock varying depths depending on the working remediated. The site for each working was then backfilled in 2 foot loose lifts to approximate planned subgrade elevation using the onsite structural fill (excavated material) and "bucket tamped" with the back of the CAT 330 excavator bucket. All backfill material was free of organic material, ice and snow and are considered remediated as specified. Page 2 of 6 MLE2 WE 08.03.13.doc