2013-10-11_REPORT - M1980244 - Laserfiche WebLink

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cc &XI V_ amec. 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 32 °F. Clay (SLF) Processing: Cameron Site: Clay mining and processing continued during this reporting period. Squaw Gulch Clay Borrow Site: Clay stockpiling occurred 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: No work was performed on the temporary underdrain during this reporting period. Tree /Slash Clearing, Chipping: Seed Masters paused operations until further notice. B) Underground Workings Confirmatory drilling was performed on underground working No. 6167 and No. U6273. All drill hole locations were established on a 4 -foot center isolating any voids found. Further remediation efforts will be ongoing until remediated. Summary of the remediation efforts will follow 100% remediation. Underground Working No. 6147 was 100% remediated with a two layer Geo -grid system. Underground Working No. 6051 was 100% remediated with a concrete plug and Cap. No other sites were remediated during this reporting period. C) Highway 67 Schmidt Construction continued hauling and placing Aggregate Base Course (ABC) material from the Schmidt Pit located near Fountain, Colorado. During the reporting period Schmidt completed the placement and compaction of the ABC (Class 6) materials. Final proof roll will be determined during the next reporting period; progress was slowed due to weather conditions. Schmidt's equipment consisted of a John Deere 310SG combination loader, A John Deere 672D grader, a Cat CS56 vibratory, 10 -ton, smooth -drum roller, and a Cat 938G loader. Material was cut from the north side of the existing Highway 67 near station 1029 +00 on the realignment by a Cat 330 excavator and a Cat D8T (GPS) dozer. The material was loaded into tandem dump trucks and hauled directly across the Highway 67 roadway and used as fill. The fill was placed in approximately 24 inch lifts with a Cat D6 dozer and compaction was achieved utilizing a smooth -drum roller by method specification. Approximately 6 inch thick layer of topsoil continue to be placed on the lower portion of the downstream slope of the Highway 67 Realignment Embankment. A Cat D8T and Cat D6N (GPS) dozer placed the material working from the bottom up. The material was loaded by a Cat 320 excavator into a Cat 740 haul truck from the topsoil stockpile located next to the underdrain detention ponds. Topsoil placement is expected to continue. Passe 2 of 7 MLE2 WE 09.14.13.doc