DEPENDABLE PROJECT DEVELOPMENT Committed to Northern Development Contract Mining Photo: NUNA Photo: With a large heavy equipment fleet and comprehensive support facilities, NUNA delivers a complete turnkey package for site construction and contract mining. Contract Mining Photos: NUNA Photos: N UNA Performance and Safety in late-1998. A total of 40 million tonnes of kimberlite and waste rock were moved in 33 months. NUNA was also retained for the When it comes to turnkey packages for site construction and pre-strip of the Koala North pit and complete turnkey contract contract mining, NUNA is equipped to provide the people, the mining of the Misery satellite pit. expertise and the equipment required to get the job done on time, within budget and without compromising safety or the environment. RIO TINTO, DIAVIK DIAMOND MINES INC. NUNA’s fleet includes 50 to 190-ton rock trucks with Diavik Diamond Mine, Northwest Territories, Canada the appropriate complement of shovels, loaders, dozers and Lac de Gras Constructors, a partnership of NUNA and Peter Kiewit graders; as well as crushing plants, on-site shops, fuel storage, Sons Ltd., successfully completed the water-retaining dikes, cutoff service trucks, offices, camps and other facilities essential walls and pre-stripping of the A154 and A418 pits. for efficient and complete self-supporting operations. A large portion of NUNA’s labour is made up of skilled Northern residents TAHERA DIAMOND CORPORATION accustomed to working under the most demanding and difficult Jericho Diamond Mine, Nunavut, Canada conditions, thus ensuring efficient operation and reliable NUNA assisted in the initial advanced exploration/underground performance. bulk sample of the Jericho mine providing operations NUNA has an excellent safety record and was support, planning, purchasing and construction of civil site acknowledged during our involvement at BHP Billiton’s EKATI, infrastructure including airstrip, site earthworks, dam construction, De Beers’ Snap Lake and former Tahera’s Jericho Mine – where raw water intake causeway and diversion ditches. NUNA continued we received awards for “Zero Lost Time Accidents”. on site providing contract mining of the starter pit to expose ore NUNA continues to be involved with the majority of the for commissioning of the process plant and long term open pit resource companies operating in the Northwest Territories and contract mining. Nunavut providing pre-strip and complete turnkey contract mining BAFFINLAND IRON MINES CORPORATION services when and as required. NUNA’s clients have confidence Mary River Iron Ore Project, Nunavut, Canada that the work program will be completed in the manner and time The Mary River project started in 2007 and NUNA became the frame discussed with them and have immediate and direct access General Contractor responsible for the successful delivery of a to all members of our management team and site supervisors. 120,000 ton bulk sample from Mary River to Milne Inlet. NUNA Successful Projects by NUNA & Partners constructed a 9 km road up a mountain to the ore body; drilled, blasted and hauled material to the crusher and hauled crushed BHP BILLITON DIAMONDS INC. product to the coast at Milne Inlet for transfer onto ships. EKATI Diamond Mine, Northwest Territories, Canada Contract mining services for the Panda pit pre-strip program. NUNA’s personnel moved 1.2 million tonnes per month during this pre-strip program that commenced early-1997 and finished www.nunalogistics.com DEPENDABLE PROJECT DEVELOPMENT Earthworks & Committed to Northern Development Site Development Photo: NUNA Photo: NA UN ’s in depth knowledge of northern operations and specialized equipment enable us to mobilize, build and maintain the reliable infrastructure required for continuous and cost-efficient operations in isolated regions of Northern Canada and the world. Earthworks & Site Development Photos: NUNA NUNA Photos: Remote Mine Site Development equipment, supplies and a crew of 37 into site and provided site services, construction of the Windy Lake 2,800' airstrip, camp pad, Proper classification of Canada’s permafrost is essential to mine tote road, crushing and construction and maintenance of seasonal planning, development and operation to ensure the location of mine ice access roads (Roberts Bay to the Doris North site). In 2010, infrastructure will have the least impact on permafrost. NUNA’s Nuna became General Contractor, as well as part of the EPC combined management and site personnel have worked throughout Design-Build Team, to optimize design and minimize total installed Canada’s North gaining a high level of experience with varying costs. NUNA provides a full complement of services including safety, permafrost. Additionally, NUNA has the earthmoving fleet capacity to engineering, quality control and procurement and are involved in address the movement and placement of millions of cubic meters of all planning, scheduling and execution of site civil infrastructures: earth required for mine site development. roads, airstrips, jetty landings, quarry development, culvert and Successful Projects by NUNA & Partners bridge installations, and site services support. Nuna provides heavy equipment, crushers, cranes, shops, concrete batch plants and drill AOGNIC -E GLE MINES LIMITED and blast activities as necessary to support the work. Meadowbank Gold, Nunavut, Canada NUNA’s work primarily comprised the construction of an BAFFINLAND IRON MINES CORPORATION 108 km all-weather road starting north of the Hamlet of Baker Mary River Iron Ore Project, Nunavut, Canada Lake to the Meadowbank site. Nuna planned and mobilized all The Mary River project started in 2007 and NUNA became the equipment and supplies to Baker Lake necessary for year-round General Contractor responsible for the successful delivery of a construction activities – with only 6 weeks to source and position 120,000 ton bulk sample from Mary River to Milne Inlet. NUNA at Churchill, Manitoba for furtherance by barge to Baker Lake. Road carried out the planning and mobilization of all necessary equipment construction required the planning and development of 22 quarry and supplies for the: construction of a 120 km all-weather road locations, crusher operation, drill and blast activities, survey control with 4 major river crossings to the Mary River site; 9 km road up for layout and as-built preparation as well as installation of 9 bridges a mountain to the ore body; drilling, blasting and hauling of ore to to facilitate the river crossings and 119 culvert installations. NUNA the crusher, crushing of fine and lump product and hauling crushed also carried out the construction and maintenance of all necessary product to the coast at Milne Inlet for transfer onto ships. NUNA infrastructure to support the operation. also provided services for the construction and maintenance of all necessary infrastructure to support the operation such as camp NEWMONT MINING CORPORATION setup and operation, airstrip construction and maintenance, fuel (Formerly Miramar Mining Corporation) containment construction and maintenance, shops and Hope Bay Gold Project (Doris North), Nunavut, Canada power generation. Since 1991 Nuna has worked closely with Miramar Mining (former owner) with respect to project planning, design and costing estimates. Nuna continues that process under Hope Bay’s new owners, Newmont Mining. In 2007, Nuna mobilized, via barge, www.nunalogistics.com DEPENDABLE PROJECT DEVELOPMENT Committed to Northern Development Dams & Dikes Photo: NUNA Photo: NAUN provides efficient and cost-effective dam and dike construction services. Structurally and environmentally sound, frozen core dams provide an efficient and reliable control of tailings and other effluents in challenging environmental conditions. Dams & Dikes Photos: (l-r) J. Herman, J. Herman, Diavik Frozen Core Dams Dikes Frozen core dams are a type of earth filled dam typically Dikes serve to isolate portions of lake beds from the main lake constructed in high latitudes with permafrost conditions. body providing accessibility for open pit mining. Coolant circulates through thermosyhons to maintain a water-tight region of the permafrost within. RIO TINTO, DIAVIK DIAMOND MINES INC. NUNA has designed and assembled its own plants for Diavik Diamond Mine, Northwest Territories, Canada the construction of frozen core dams. The plants can accurately Lac de Gras Constructors (LDGC) is a joint venture between monitor the moisture content and temperature of core granular NUNA and Peter Kiewit Sons, formed to construct Diavik Diamond material prior to placement and produce up to 4,000 tonnes Mines’ A154 dike, North Inlet dike, A418 dike, and raising of the per 24-hour shift. PKC dams. LDGC’s A154 and A418 dike contract comprised dike construction, dewatering and pre-stripping. BHP BILLITON DIAMONDS INC. The A154 dike is the first dike of its kind constructed EKATI Diamond Mine, Northwest Territories, Canada in Canada and was completed ahead of schedule. The A154 NUNA has been involved as a contractor with BHP from kimberlite pipe, located 20 m below water off an island in Lac the early stages of devel op ment of its $1 billion EKATI de Gras, required the construction of a 3.9 km long and up to Diamond Mine. 25 m high dike to enclose an area of 1.5 km2. Construction of the One challenge for the EKATI Mine was to build an dike involved placing 2.2 million m3 of zoned rock fill and a plastic 3 800 m long frozen core dam to contain 100 million m of concrete diaphragm wall which extended through both the fill and processed kimberlite in an area where there was no source of low the till foundation. The wall was joined to the granite bedrock by permeable soil and a number of other soils constraints such as a continuous barrier of jet-grouted columns. sand, gravel, boulders, permafrost and an unfrozen zone below A418’s water retaining dike and cut-off wall is the boulder creek bed. 1.2 km long, required approximately 1.1 million cubic meters The solution – EBA Engineering designed and NUNA of rockfill and was built in water up to 32 m deep.