2020 – SaskPower Boundary Dam Phase Shifting Transformer Pad & Grounding
2020 – SaskPower Boundary Dam Phase Shifting Transformer Pad & Grounding
Client: SaskPower
Duration of the Work: 4 Months (Sept – Nov, Mar)
Area of Work: Piling, pile caps, concrete foundations & pads, electrical grounding grid.
Comments: All work is being executed within a 230kV switch station. Piling and pile caps for various electrical equipment and ~200 m3 concrete pad for a new phase shifting transformer.
Grounding grid system complete with ground rods and CAD welds for the pad and all piles.
Key Quantities:
Piling: 90 Concrete piles varying in diameter from 600mm – 900 mm and varying in depth from 9 m – 15 m
Concrete: ~ 300 Cubic Meters
Grounding: ~ 1,500 Lm of ground grid and 60 ¾” Sectional CCS Ground Rods (3.1m)
Key Challenges: Executing the work within a high voltage operating switch station in a remote region. Facing harsh winter conditions and the potential for high voltage, arc flash and control of hazardous energy. These were overcome by meticulous project planning that included:
Executing safely by utilizing daily Job Hazard Analysis (JHA) and Field Level Hazard.
Assessments (FLHA) along with our quick report system.
Hundreds of Job Cards – Tron’s custom pre- planning deliverable to remove restraints.
Drug & alcohol screening.
Control of Hazardous Energy and Arc Flash Training.
Providing all staff relevant and pertinent training certifications prior to mobilization.
Recruitment of a highly skilled and relevantly experienced supervisory and craft workforce.
Outcome of Project: Successful Delivery and Turnover.