Workers at a GE plant in Poland prepare a massive generator stator for shipment to Darlington Nuclear. 2.1MB, pdf, The Committee endorses the Auditor’s findings and recommendations, and presents its own findings, views, and recommendations in this report. Advertisement. Confirming the containment of the unit has been restored then removing tooling and physical barriers. Shown here: the turbine generator system sits disassembled as the components are rebuilt and replaced. Refurbishment of all four Darlington units is expected to be completed by 2026. You also recognize by clicking “Accept” that the terms of this disclaimer are reasonable. Now that the reactor has been safely shut down and the reactor disconnected, workers use remote-controlled tooling to remove 6,240 fuel bundles from the unit and place them in water-filled fuel bays for up to ten years of safe storage. This preparatory work was essential to safeguard the health and safety of workers throughout the refurbishment process. (Photos by Joel Wittnebel) By Joel Wittnebel/The Oshawa Express On time. Ontario is moving forward with nuclear refurbishment at Darlington Generating Station, securing 3,500 megawatts of affordable, reliable, and emission free power. Fuel channels are made of several components: a pressure tube, two stainless steel end-fittings and annulus spacers, which separate the pressure tube from the calandria tubes, preventing them from touching. The unit 2 refurbishment has substantially completed the third major segment, the installation and reassembly of reactor components, which included the installation of fuel channel assemblies and installation of new feeder tubes. Next up for Aecon will be the refurbishment of Darlington Unit 3, followed by 1 and 4. The PDF creator functionality allows you to add selected web pages to a list that can be downloaded, printed or emailed. The refurbishment of Darlington 2 began in October 2016 when the unit was disconnected from the grid. Operators in the Re-Tube Control Centre can then begin the process of achieving first criticality, which means sustaining the chain reaction of splitting atoms and releasing heat. All four units are to be refurbished in a phased CAD 12.8 billion ($9 billion) project which is scheduled for completion by 2026. The Government of Ontario (the Province) has decided to secure a long-term supply of electricity generation in Ontario by refurbishing ten nuclear reactors at the Bruce and Darlington Nuclear Generating Stations and extending the life of the Pickering Nuclear Generating Station. Non-GAAP and non-IFRS financial measures do not have a standardized meaning as prescribed by GAAP and IFRS, and therefore may not be comparable to similar measures presented by other issuers. 1. In addition to disclosing financial information prepared in accordance with Canadian GAAP or IFRS, depending on the period, SNC-Lavalin also discloses certain non-GAAP and non-IFRS financial measures, such as gross margin, revenue backlog, operating income, EBITDA, freehold cash, bookings and working capital. OPG generates more than half of the province’s electricity primarily through more than 60 hydroelectric stations and Removing all 480 calandria tubes from the reactor. Following years of detailed planning, approvals and preparations, the Darlington Refurbishment Project team carries out the first major step in project execution: Shutting down the reactor and disconnecting it from the power grid. The Darlington Nuclear Generating Station, one of the top performing nuclear stations in the world, has produced 20% of Ontario’s electricity since the early 1990s. In 2016, after years of detailed planning and preparation, Ontario Power Generation’s team of project partners, industry experts, energy professionals, and skilled tradespeople successfully shut down the first of four Darlington reactors scheduled for refurbishment over the next 10 years. With the fuel and heavy water removed, the unit undergoing refurbishment must be separated from the operating plant. Click on a regional title to visit its community home page. The FAO refers to the following three elements collectively as the Nuclear Refurbishment Plan (or the Plan). Removing all 960 feeder tubes from the reactor. Workers must remove fuel and heavy water, and isolate the unit from the rest of the station. Inspecting and cleaning the calandria vessel then installing all 480 calandria tubes inside the reactor. The mock-up reactor and our experienced project team determined the safest way of removing and replacing the fuel channels in Darlington’s four nuclear reactors. Northeastern Ontario contains 14 of our hydroelectric stations, including several we built or redeveloped through key partnerships with local Indigenous communities. Sustainability is at the heart of everything we do. Islanding allows the unit to be refurbished safely and efficiently while limiting impact on the operating units and rest of the station. 14.5MB, UN Sustainable Development Goal 7: Affordable and clean energy, pdf, Before disassembling a CANDU® reactor, workers must disconnect it from the power grid. From blueprint to delivery, we connect people, technology and data to deliver outstanding project outcomes for our clients on time and on budget. Loading 6,240 fuel bundles into the reactor’s fuel channels. In 2016 Ontario Power Generation (OPG), which owns the Darlington site, received approval to commence a $12.8 billion refurbishment project servicing all four CANDU reactors at the Darlington nuclear generating station. Workers perform a containment pressure test at this stage to confirm that the disconnected unit has been safely and completely isolated from the rest of the operating plant. At this stage, workers pre-assemble the fuel channels in a climate- and foreign material-controlled clean room then prepare them for delivery to the vault for installation. Definitions of all non-GAAP and non-IFRS financial measures are provided in SNC-Lavalin’s Management Discussion and Analysis (MD&A) to give the reader a better understanding of the indicators used by management, and when applicable, SNC-Lavalin provides in its MD&A a clear quantitative reconciliation from the non-GAAP and non-IFRS financial measures to the most directly comparable measure calculated in accordance with GAAP and IFRS. A video about the steps required to refurbish the Darlington Nuclear Generating Station. The Darlington nuclear generation station Retube and Feeder Replacement (RFR) project is important because this reliable low carbon energy source accounts for more than 60% of Ontario’s energy, with Darlington accounting for approximately 20%. Darlington Refurbishment. The Darlington project is for the site preparation, construction, operation, decommissioning and abandonment of up to four new nuclear reactors at the existing Darlington Site to generate approximately 4,800 megawatts of electricity to the Ontario grid. This is an important step in Ontario and Canada’s fight against climate change. This is done through a process also known as ‘breaker open,” which involves cooling the reactor and stopping nuclear fission in accordance with Canadian Nuclear Safety Commission regulations and operational procedures. Eastern Ontario is host to one gas-fired generating station and 15 of our hydroelectric generating stations on the St. Lawrence, Ottawa and Madawaska Rivers. But shutting down the unit is not just a matter of pulling a plug. The refurbishment of all four units is expected to involve about … A fuel bundle contains natural uranium in the form of ceramic pellets. At this stage, workers refill the moderator with heavy water, load each of the 6,240 fuel bundles into the fuel channels, then fill and pressurize the heat transport system. Casework: Darlington Nuclear Generating Station Refurbishment In 2011, Ontario Power Generation (OPG) sought approval to refurbish the Darlington Nuclear Generating Station (DNGS) in Clarington, Ontario, one of the largest nuclear power plants in North America. Access information and tools for investors including quarterly and annual reports, share and dividend information, our financial calendar and more. Southwestern Ontario is host to our Western Waste Management Facility in Bruce County, as well as one hydroelectric station and our new solar facility on the site of the former Nanticoke coal station. This is done through a process known as Islanding, whereby workers disconnect equipment and put physical barriers in place. The Darlington Nuclear Generating Station recently marked the halfway point of the refurbishment work on its second of four reactors being renovated in order to extend the life of the facility for as long as 30 years. The latest video update on the Darlington Refurbishment Project. After installation, inspection and testing, workers reattach the bellows assemblies, which allow for any movement of pressure tubes and calandria tubes, caused by temperature changes. SNC-Lavalin has no control over the External Website, any data or other content contained therein or any additional linked websites. The Darlington nuclear generating station is Canada’s second largest nuclear facility by total energy output. What’s happening? Learn more about Laurentis Energy Partners, an OPG subsidiary. December 6, 2018. The refurbishment will increase Ontario’s … OPG Darlington Nuclear Station Refurbishment Fluor was selected by Ontario Power Generation (OPG) for the procurement and construction of refurbishment work at OPG's Darlington Nuclear Generating Station in Ontario, Canada. We have offices in over 50 countries across six continents. With 96% of project costs spent in the province and a heavy reliance on Ontario-based contractors, for every $1 spent on the project, Ontario’s GDP will increase by an average of $1.40. The Darlington Nuclear Generating Station, one of the top performing nuclear stations in the world, has produced 20% of Ontario’s electricity since the early 1990s. We are SNC-Lavalin, and we are experts at mastering complexity. A calandria tube is a long cylindrical tube made of zirconium that surrounds the pressure tube and forms a leak tight seal of the calandria vessel – the heart of the reactor. 3.0MB, pdf, Benefits of refurbishment. 1.5MB, pdf, We connect people, technology and data to shape the future of our industry and the world around us. Planning for the RFR project took several years and started back in February 2010 when OPG announced plans to proceed with the detailed planning phase for the mid-life refurbishment of the Darlington station. A Darlington CANDU reactor contains 480 calandria tubes, which are removed using specialized tooling, which workers operate remotely and transport in protective flasks to OPG’s Re-tube Waste Processing Building for storage preparation. Throughout refurbishment, the Canadian Nuclear Safety Commission carries out inspections and grants approvals for the project to progress from one milestone to the next. Powering forward, the refurbishment project will extend Darlington’s operations to 2055. Page successfully added to download basket, Page successfully removed from download basket. Prolonging the life of the Darlington nuclear generating station will ensure a reliable, low-carbon source of power for the people of Ontario for the next 30 years. Darlington Nuclear Refurbishment. Removing fuel and heavy water from the reactor. It was then defueled. Ontario Power Generation’s (OPG) plan to refurbish the four reactors at the Darlington Nuclear Generating Station (DN… Putting the reactor back together requires quality, precision workmanship on every task. Once this process is complete, workers install 480 new calandria tubes inside the reactor. Stay connected with us through social media. Originally scheduled to begin in May this year, Unit 3’s refurbishment was postponed due to the COVID-19 pandemic. A $35-million reactor vault mock-up and re-tube and feeder replacement (RFR) was completed as part of the preliminary phase of the refurbishment project. ... Nuclear Engineering International is a … Darlington Nuclear Generating Station Status • Units 1, 3, 4 – Operational • Unit 2 shutdown in October 2016 for refurbishment • Unit 2 return to service projected for December 2019 Scope: • Overview of the CNSC regulatory oversight activities for the refurbishment and return to service of The construction of the complex was completed in January 2013. 198KB, pdf, Lorem ipsum dolor sit amet, consectetur adipiscing elit. Find out more about the status of this project. On October 14, 2016, OPG began Canada’s largest clean infrastructure project – the refurbishment of all four of Darlington’s reactors. Because of their unique composition, installing them inside the reactor is a process similar to putting together a puzzle. 1.1MB, pdf, The refurbishments will take place at the Darlington and Bruce Nuclear Generating Stations. As a result, reducing nuclear generation or ... the Bruce and Darlington Nuclear Generating Stations and extending the life of the Pickering Nuclear Generating Station. The refurbishment will run until 2026, and is expected to create up to 11,800 jobs for more than 180 companies across Ontario Once fully refurbished; the reactors will continue to produce approximately 20% of the province’s energy for at least another 30 years. Installing all 960 feeder tubes prior to filling the moderator system. The building also comprises an office space for 450 staff, a public information centre and a 70,000ft² warehouse. 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