TSF Daily Activities Report
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[Type text] TSF Daily Activities Report - 2014/02/11 TSF GA – TSF General Area LLSD – Lower Llagal Starter Dam LLD – Lower Llagal Dam ULD – Upper Llagal Dam SD1 – Saddle Dam 1 SD2 – Saddle Dam 2 SD3 – Saddle Dam 3 SD4 – Saddle Dam 4 ULCE – UL East Cofferdam ULCW – UL West Cofferdam ULDW – UL West Diversion Dam LLO – Low Level Diversion ULSE – UL East Spillway ULSW – UL West Spillway ULSEW – UL East West Spillway ES1 – Emergency Spillway 1 ES2 – Emergency Spillway 2 ES3 – Emergency Spillway 3 LBOR – Llagal Borrow LSTO – Llagal Stockpile AGG – Aggregates LA – Left Abutment RA – Right Abutment DS – Downstream US – Upstream STN – Station O/S – Offset N – North S – South E – East W – West RF – Rockfill TRF – Transition Rockfill WL – Waste Limestone CF – Coarse Filter FF – Fine Filter 1 1.2 General Water, Silt and Sediment Control Common Excavation 1.3 Foundation Preparation 1.4 Fills 1.1 Comments None None US LA – Contractor continued to remove all loose material using hand tools and a backhoe. Foundation was approved by QC to place additional RF and WL. Photo 1 US RA – Contractor continued to remove loose material using hand tools and an excavator. Photo 2 US LA – Contractor was placing and spreading RF material. LOWER LLAGAL DAM - Upstream Description Comments 2.0 General None 2.1 Water, Silt and Sediment Control None 2.2 Clearing and Grubbing 2.3 Common Excavation 2.4 Foundation Preparation 2.5 Fills None RA – None LA – Contractor continued to excavate the old access road. Photo 3 US RA – None US LA – None US LA – None US RA – None LOWER LLAGAL DAM – Downstream 3 Description General 3.2 3.3 Water, Silt and Sediment Control Clearing and Grubbing Common Excavation 3.4 Foundation Preparation 3.1 DH – Drill Hole PH – Pionjar Hole IN – Slope Inclinometer VW – Vibrating Wire Piezometer FO – Fiber Optic Piezometer ST – Standpipe Piezometer SP – Settlement Plate SM – Surface Monitoring Point TL – Time Lapse CM – Construction Management WAR – West Access Road None 2 3.0 RE – Rock Excavation FP – Foundation Preparation FL – Fills GT – Geotextiles GEM – Gabions and Erosion Mattresses CNE–Construction Equipment MSC – Miscellaneous TF – Test Fill TP – Test Pit BH – Borehole SADDLE DAM 1 Description 1.0 LPF – Low Permeability Fill RS – Road Surfacing TPS – Topsoil OSA – Oversize Aggregate M1A – Minus 1” Aggregate WST – Waste Material COM – Common Fill FDN – Foundation SOW – Summary of Work WSS – Water, Silt, and Sediment Control CG – Clearing and Grubbing Comments QA noticed that LPF placement was occurring prior to shaping the FF slope. QA notified QC/PVDC that survey layout the FF design toe and that the contractor trim the FF slope to the neat lines. Contractor and survey corrected the issue as per our recommendations. None None None RA DS – None RA Core – None LA Core – Contractor was cleaning foundation using hand tools, air and an excavator. Contractor was advised to prevent slope changes that does not meet specification. Photo 4 LA DS – Contractor continued cleaning foundation using hand tools and backhoe. Further downstream the contractor requested a foundation approval to place the CF and TRF capping on the outlet of the HMCS. The foundation [Type text] TSF Daily Activities Report - 2014/02/11 was approved to place additional material. Slush grout and dental concrete was placed to meet foundation requirements. 3.5 Fills 3.6 Instrumentation DS RA – None Chimney Filter – Test Pit Excavation to measure chimney filter widths ongoing. DS LA – None DS RF – None LPF – Contractor continued to place LPF material. LPF material is at elevation 184m at the central portion of the alignment, but LPF is lower at abutments. Photo 5 None 4 UL Fresh Water Diversions 4.1 Description General Comments No activity. 5 TESTING ACTIVITIES Description 5.1 5.2 5.3 5.4 Comments Standard Testing Lab Advanced Testing Lab Field Tests Audit Comparison testing of split LPF, FF, and CF samples. None None None 6 MATERIAL MANAGEMENT Borrow and Stockpile Areas Hauling to LLD - Q22 18K Borrow Type RF TRF WL Rio Yuna Oversize LPF LPF 16P 16L Area N13 N13 N13 QC Present Comments - Hauling to LLD None None - - None LLD - Yes - LPF - - LPF - - Production From Sample LLD FF O10N11 - None LLD CF M11 - None Filter - - Dolcasa continues setting up crushing and screening plant (crushing equipment has arrived onsite) O11 Location Diorite Hauling to LLD None QC was conducting test pits in the stockpile. QA observed limestone fragments in the test pit walls. Photo 6 None. Stockpile exhausted. Aggregates Comments [Type text] TSF Daily Activities Report - 2014/02/11 Photos: Photo 1: 20140211_SD1_RA_US_FP_Overview of foundation approval SD1-066 Photo 2: 201402011_SD1_RA_US_FP_Contractor cleaning foundation [Type text] TSF Daily Activities Report - 2014/02/11 Photo 3: 20140211_LLD_US_LA_CE_Contractor continued to excavate material from the foundation Photo 4: 20140211_LLD_Core_LA_FP_Contractor cleaning foundation [Type text] TSF Daily Activities Report - 2014/02/11 Photo 5: 20140211_LLD_Core_FL_Overview of LPF placement Photo 6: 20140211_LBOR_P16_QC completed a TP in the LPF material. Limestone was observed within the TP.
