CONSTRUCTION SCHEDULE TO FIRST POWER Muskrat Falls Project Construction Year 2013 2014 2015 2016 2017
Quarter Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4
Muskrat Falls Generation Facility
Site infrastructure (access roads, camp, construction power)
Reservoir preparation
Spillway, Powerhouse, Dams construction
North Spur stabilization
Labrador Transmission Asset
Churchill Falls camp set-up and Labrador marshalling yard
Muskrat Falls and Churchill Falls switchyards
Right-of-way clearing
Muskrat Falls to Churchill Falls HVac transmission line construction
Labrador-Island Transmission Link
Soldiers Pond switchyard, converter station, synchronous condensers
Forteau and Shoal Cove transition compounds
Labrador HVdc and electrode transmission lines The Muskrat Falls hydroelectric development on the lower Churchill River in Labrador includes construction of an 824 megawatt Newfoundland HVdc and electrode transmission lines (MW) hydroelectric dam on the lower Churchill River in Labrador, and more than 1,500 km of associated transmission lines and infrastructure that will deliver electricity to homes and businesses in Newfoundland and Labrador. Dowden’s Point and L’Anse au Diable electrode sites
Strait of Belle Isle Marine Cable Crossing Project construction started in 2013 and will take approximately five years to complete.
Civil work GENERATION
HDD Shoal Cove Construction for the Muskrat Falls hydroelectric generating During construction, work is ongoing 24 hours/day, seven facility in Labrador began in January 2013. Major construction days/week. A permanent accommodations complex that HDD Forteau activities at Muskrat Falls include: can house 1,500 workers, along with dining and recreational Rock quarrying and delivery • Clearing the reservoir area to remove trees that could impact facilities are open at Muskrat Falls. operation of the generating facility or affect navigation. Liner install and vessel campaign • Bulk excavation of rock for the intakes, powerhouse and Land cable installation QUICK FACTS spillway structures. • 560,000 m3 of concrete is required for the powerhouse Subsea cable installation • Building temporary cofferdams to allow the structures to be and spillway at Muskrat Falls – equivalent to three constructed in a dry environment. Subsea rock berm construction Hebron gravity-based structures (GBS) and enough to • Constructing the powerhouse and spillway structures. pave a one-metre wide, 10 cm thick path from St. John’s Following first power, commissioning activities related to generation and transmission components of the project will continue into 2018. to Vancouver. Subject to change without notice according to project requirements. Effective June 2014. • Installing the turbines and generators for the hydroelectric facility. • The powerhouse at Muskrat Falls will be 90 m tall, or as • Constructing two dams: the north dam, built using roller- tall as the Peace Tower on Parliament Hill, Ottawa. compacted concrete through a series of horizontal layers; and, For general information contact us: the south dam, which will be a conventional rock-filled dam. • The turbines at Muskrat Falls will be among the most Toll Free: 1.888.576.5454 Tel: 709.737.1833 efficient in North America. E-mail: [email protected] • Impoundment of the reservoir once both dams have been
July 2014 July muskratfalls.nalcorenergy.com constructed. Muskrat Falls Project - Transmission North West River Churchill Falls Muskrat Sheshatshiu Falls Mud Lake C hurchill Rive r Gull Happy Valley-Goose Bay Island
QUEBEC LABRADOR
Isle elle f B t o L'Anse au Diable ai tr Forteau S St. Anthony QUICK FACTS Shoal Cove
• Approximately 4,500 transmission towers will be installed along the Labrador-Island Transmission Link.
• 6 million metres of conductor (wire) is required for the project, enough to stretch between St. John’s and Deer Lake Grand Falls-Windsor Athens, Greece. STRAIT OF BELLE ISLE MARINE CABLE CROSSING Gulf of • The Labrador-Island Transmission Link is designedSt. Lawrenc e NEWFOUNDLAND Clarenville To transmit power generated at Muskrat Falls to the island of by a rock-laying vessel, to protect the cables from marine
to stand up to Newfoundland and Labrador’s harsh Dowden’s St. John's Newfoundland, a 35 km underwater cable crossing will be vessel traffic and environmental conditions. Point
climate, able to withstand sustained winds of 180 km/h. Channel-Port aux Basques Soldiers constructed across the Strait of Belle Isle from Forteau Point, Holyrood Pond • Constructing transmission compounds in Forteau and Labrador, to Shoal Cove, on the island of Newfoundland. Shoal Cove. Major activities associated with the marine cable crossing TRANSMISSION include: QUICK FACTS More than 1,500 km of transmission lines and related Once operational, maintenance activities on the Labrador-Island • Site clearing and development in Forteau and Shoal Cove. infrastructure will be required for the Muskrat Falls Project. Transmission Link will be similar to existing transmission lines • The length of the HDD boreholes for the Strait of Belle This includes: across the province and will include regular inspection, repairs • Drilling three boreholes for the transmission cables from the Isle marine cable crossing are among the longest in the shore to the ocean floor, approximately 1.5 - 2 km long, on world for landfall application, at greater than 1.5 km for • Two 250 km, 315 kV High Voltage alternating current (HVac) and vegetation management as required. both sides of the Strait, using horizontal directional drilling Labrador and 2 km for Newfoundland. transmission lines between the hydroelectric generating (HDD) technology. facilities at Muskrat Falls and Churchill Falls • The cable for the Strait of Belle Isle marine cable crossing • Installation of the three transmission cables on the sea floor • 1,100 km, High Voltage direct current (HVdc) Labrador-Island is just 11 cm in diameter, roughly the same size around by a cable installation vessel. Transmission Link, between Muskrat Falls and Soldiers Pond as an orange. L’Anse au Diable on the Avalon Peninsula of Newfoundland • Construction of rock berms over each cable on the sea floor L’Anse au Loup
Major activities related to construction of the transmission Strait of Belle Isle Marine Cable Crossing lines include: • Surveying and constructing infrastructure (access roads, LABRADOR bridges, marshalling yards and temporary construction camps). Forteau L’Anse Amour • Clearing and preparation for the transmission line right-of- DRILL RIG way (ROW) and other transmission infrastructure. Forteau Strait of Belle Isle Point • Installing foundations for the transmission towers. L’Anse-au-Clair • Assembling and installing the transmission towers. Eddies Cove • Installing conductor and grounding systems.
• Building a converter station at Muskrat Falls and Soldiers Pond, a Ferry Rout
switchyard and synchronous condenser facility at Soldiers Pond, DRILL RIG as well as electrodes at L’Anse au Diable and Dowden’s Point. e • Building the Strait of Belle Isle transition compounds on each Shoal Cove side of the Strait, which act as the transition point between the subsea cable and overhead transmission line. NEWFOUNDLAND * NOT TO SCALE Flower’s Cove • Inspecting and commissioning the line.