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cc <br />&v <br />A total of 1380 feet of underdrain has been completed. <br />Tree /Slash Clearing, Chipping: <br />Seed Masters continues to "grind and chip" stockpiled trees and brush. Equipment (Seed Masters): one "Chipper", <br />one CAT 330 Excavator <br />B) Underground Workings <br />During the reporting period exploratory excavation and remediation were performed on was performed on UG <br />working No. 6115, No. 6116, No. U6017, No. 6060 and No. 6076 . The sites were excavated to practical refusal into <br />rock varying depths depending on the working remediated. The site for each working was then backfilled in 2 foot <br />loose lifts to approximate planned subgrade elevation using the onsite structural fill (excavated material) and "bucket <br />tamped" with the back of the CAT 330 excavator bucket. All backfill material was free of organic material, ice and <br />snow. <br />Confirmatory drilling continued during the reporting period on UG Working No. U6111, No. 6112, No. U6113 and <br />No, 6019. All drill locations were spaced on 4( + / -) foot centers and drilled to specified depth. Exploratory excavation <br />will continue until remediation has been performed. <br />Blasting was performed on Underground Working No. 6030 and No. 6076 during this reporting period. <br />C) Highway 67 <br />CQA Monitor <br />Page 2 of 6 <br />ame0 <br />MHT #2 is in place and is working properly. No other work was performed for the existing HWY 67 crossing during <br />this reporting period. <br />H) Storm Water Management <br />A) Best Management Practices (BMP) are being performed. Inspections continue and there have been no <br />issues identified. <br />CQA ACTIVITIES: <br />I) Field Activities: Construction activities and observation of clearing and grubbing, structural fill and compaction, <br />underground workings, HWY 67 progress observation were some of the tasks performed in the field as required to <br />project specifications. <br />II) Laboratory Activities: Laboratory testing continued (Permeability, Particle Size Distribution, Atterberg Limits, <br />Moisture- Density, gradations and material identifications) were some of the laboratory testing performed during this <br />reporting period as required to project specifications. <br />General Project Items <br />Meetings and Discussions: None at this time. <br />Summary of Concerns: None at this time <br />CCU V: Working with CC &V Daily updates and reporting. A weekly Project Status meeting was held at 1100am on March 26th <br />between CC &V, CDOT, Ames and Amec. Topics discussed were Safety, Schedule, Project Issues, concerns and planning. <br />Miscellaneous: None <br />Deliveries: None <br />MLE2 WE 03.30.13.doc <br />