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Projects Detail

Snart Ontario Power Generation | Lac Seul, Ontario

The engineers and specialists of DST’s Geotechnical Division provide comprehensive civil and geotechnical engineering to hydro, wind and solar power generation and transmission line clients. Our team can provide quality control services for construction of major project elements as well as specialty design services.Geotechnical Design

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Client

Ontario Power Generation / SNC Lavalin, Lac Seul, Ontario

Assignment

Ontario Power Generation wanted to optimize its Ear Falls Generation Station by adding a new unit to annually generate more than 50 million kilowatt hours of reliable clean hydroelectricity.

Services

DST provided extensive civil and geotechnical engineering, blasting and outdoor environmental services.

Our Role

DST was retained to provide quality control service for construction of the major project elements: the intake structure, power tunnel, draft tube, tailrace and powerhouse. Responsibilities included geotechnical engineering and instrumentation, drilling, concrete field and laboratory testing, thermocouple installation and concrete temperature analysis, form work, rebar and steel inspection, construction surveying, pressure testing, rock anchor inspection and pull out testing. DST completed this work through challenging timelines and winter weather where 24 hour shifts and on-site temperatures of -40o were a regular occurrence. Additional tasks included specialty assignments for environmental site remediation, blast engineering and vibration monitoring.

Achievement

A new sustainable and green power asset for OPG, with its quality assured.

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