ATTACHMENT 3, PROPOSED WORKING HOURS AND HAUL HOURS
Early Work Activities Single Double Work Haul
Shift Shift Hours Hours
Stage 1 - Site Grading (Begi nning Summer 2023, 6 Months) Site grading X SAM- SPM SAM-4PM
Stage 2 - Site Developmen t (Begi nning Summer 2023, 9 Months) Construction of site roads X SAM- SPM SAM-4PM
Installation of site offices X SAM- SPM SAM-4PM
Stage 3 - Precast Plant and TBM Segment Storage Area (Beginn ing Summer 2023, 13 Months) Construction of precast plant X SAM - 6PM 6AM - 4PM
Stage 4 -TBM Shaft and Muck Bin Excavation (Beginn ing Fall 2023, 17 Months) Muck bin excavation X SAM- SPM SAM-4PM
Support of excavation - slurry walls X SAM-4AM SAM-4AM
TBM shaft and ramp excavation X SAM-4AM SAM-4AM
TBM shaft concrete pour X SAM-4AM SAM-4AM
TBM supporting facilities X SAM- SPM SAM-4PM
TBM assembly X SAM-4AM SAM-4PM
Start production of the precast plant X SAM - 11PM SAM-4PM Construction of interior concrete build-out X SAM- SPM SAM-4PM area and equipment foundations Construction of grout plant X SAM- SPM SAM-4PM
Notes:
1. Construction activities will be 6 days a week.