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 MINES inc. NUNA’s fleet includes 50 to 190-ton rock trucks with , , 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 , , 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 INC. product to the coast at Milne Inlet for transfer onto ships. , 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 devel­op­ment 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. A418 dike constructed the award-winning Leslie Long Lake Frozen Core joins the existing A154 dike with construction methods similar to Dam with a core created of saturated, processed sand and gravel A154 – various sizes of rockfill, a central plastic concrete cut-off placed in layers during the winter so that each layer froze before wall, jet and curtain grouting and installation of instrumentation. subsequent material was added. Thermosyphons, which are A significant crushing facility prepared much of the rock obtained passive devices, were installed to keep the structure and the from A154 open pit. otherwise permeable creek bed frozen. The success of this dam resulted in 3 other similar dams at EKATI’s satellite site, Misery, which NUNA constructed.

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Committed to Northern Development Crushing Photo: NUNA Photo:

C anada’s remote and harsh northern conditions and terrain requires specialized knowledge for mineral exploration and mine development. NUNA provides expertise in mine construction methods, site planning, infrastructure construction, contract mining, site services and crushing. Site Services & Crushing Photos: NUNA/De Beer

Site Services De Beers Canada Inc. Snap Lake Diamond Mine, Northwest Territories, Canada NUNA’s high-arctic experienced personnel are well equipped to NUNA crushed, moved and placed rock for the construction of provide efficient site services comprising fully staffed infrastructures; Snap Lake’s 5,000' airstrip, facilities pad, tank farm, 2 kimberlite camp, shops and facilities installations; aircraft freight handling; road containment dams and site access roads. and runway clearing; and transportation of fuel and supplies. Diavik Diamond Mines LTD. Crushing Diavik Diamond Mine, Northwest Territories, Canada Being open for business from Day 1 of Canada’s diamond discovery, Lac de Gras Constructors, a partnership of NUNA and Peter Kiewit NUNA was provided the opportunity to supplying the majority of the Sons, developed the site earthworks which involved the crushing of Northwest Territories and Nunavut mine developments vital crushing material for the construction of a 5,250' airstrip, haul roads, plant services and site infrastructure construction for efficient mine site, kimberlite containment facilities, A154 and A418 water retaining operations. By employing NUNA’s complete crushing plants, NUNA dikes and cutoff wall and 200,000+ m3 crush for PKC dams. has crushed natural esker and blasted rock and has constructed the Additional contracts included: jaw-only crush for 70,000 tonnes majority of site runways (3,000' to 7,000'); site access roads 275+ of kimberlite material to a finished product of 304 mm; and km (8.2 m to 25 m wide x 2 m to 3 m high); pads for 100 to 350 716,800 m3 of crushed material to a finished product of person camps, shops and tank farms; and dams and dikes. 19 mm up to 150 mm. Tahera Diamond Corporation Successful Projects by NUNA & Partners Jericho Diamond Mine, Nunavut, Canada Ag nico-Eagle Mines Limited Crushed, moved and placed rock for the construction of site access Meadowbank Gold Project, Nunavut, Canada roads, pads, dams, lay down areas, tank farm and camp. 108 km Road - Baker Lake to Meadowbank Project The longest all-weather road in Nunavut employed NUNA’s heavy BAFFINLAND IRON MINES CORPORATION equipment construction fleet, crushing plant and crew of 60+ to drill, Mary River Iron Ore Project, Nunavut, Canada blast, crush, move and place over 1.7 million m3 of ROQ material. NUNA’s scope relating to the mining of a bulk sample and crushing services comprised the construction of a 120 km access road and BHP Billiton Diamonds Inc. a 9 km all-weather mining road, site infrastructure pads, airstrip EKATI Diamond Mine, Northwest Territories, Canada and fuel tank farms. The bulk sample alone required NUNA to drill, NUNA crushed, moved and placed 100,000 tonnes of blasted blast, haul and crush raw ore to fine and lump product totaling granite for the construction of EKATI’s 7,000' runway, plant site, 120,000 tonnes. 31 km access and haulage road linking EKATI to Misery, plus additional crush for road maintenance. Cumulative crush was 300,000+ tonnes. www.nunalogistics.com Dependable Project Development

Committed to Northern Development Ice Roads & Airstrips Photo: TCWR/Diavik

NAUN has constructed the majority of Nunavut’s and the Northwest Territories’ exploration and early-mine operations access ice roads and Hercules aircraft capable ice airstrips. Ice Roads & Airstrips Photos: NUNA Photos:

Ice Roads & Airstrips BHP BILLITON DIAMONDS, Northwest Territories - Ice airstrip and 160 km over the barren lands and frozen lakes to support a major NUNA has constructed the majority of Nunavut’s and the Northwest exploration drill program. Territories’ exploration and early-mine operation access ice roads and Hercules aircraft capable ice airstrips. BHP BILLITON EXPLORATION, Qilaluqaq, Repulse Bay, Nunavut - Using a Bombardier SW48HY tractor, constructed a 5,000' ice For Canada’s remote north, ice roads and airstrips are Hercules airstrip. critical supply links. In particular, the regional mining industry depends heavily on the Tibbitt to Contwoyto Winter Road for the COMMITTEE BAY RESOURCES, Hayes Lake, Nunavut - 5,000' ice transportation of construction equipment, building materials, Hercules airstrip in a location inaccessible by overland methods. equipment parts, oil and essential survival goods such as food and DE BEERS CANADA, Nunavut - Pioneering of a Nodwell route into Nisha fuel for power generation. site. Snap Lake site access ice road. Gahcho Kué route selection and construction of a 125 km ice road and 5,000' Hercules ice airstrip. Successful Projects by NUNA & Partners DIAVIK DIAMOND MINES, Lac de Gras, Northwest Territories - T ibbitt to Contwoyto Winter Road Joint Venture Annual site access ice road and ice airstrip. The Tibbitt to Contwoyto Winter Road (TCWR) has developed from an 800 load per annum road system to a renowned and engineered KENNECOTT CANADA EXPLORATION, Afridi Lake, - Constructed and maintained 65 km ice road. ice super highway with transport trucks delivering up to 10,000 Northwest Territories loads during the months of February and March each season. Arnak Project - Constructed and maintained ice airstrip. Since 1998, NUNA has constructed, maintained and PEREGRINE DIAMONDS, WO Properties, Nunavut - Constructed site dispatched the TCWR (formerly Lupin Winter Road). Camps, shops, access roads and 5,000' Hercules ice airstrip. laydown areas and fuel storage have been strategically positioned along the route enabling NUNA to respond quickly to various TAHERA, Jericho, Nunavut - Constructed and maintained ice access demands placed on operating a heavy haul ice road in Canada’s road off of the TCWR. Access road included a segment constructed of snow and ice over a substantial boulder field. remote and harsh north. The TCWR starts 70 km north of , Northwest TECK COMINCO, Darby Lake, Nunavut - Constructed a 5,000' Territories, traverses between 400 km and 600 km (depending on ice airstrip. mining activities) and 85% frozen lakes and 15% land portages at its longest length. In earlier years, the route terminated at Echo Bay’s Lupin Gold Mine and then was extended to reach Tahera’s Jericho Diamond Mine. With both of these mines in care and maintenance status, the TCWR now terminates near the Diavik Diamond Mine.

www.nunalogistics.com Dependable Project Development Mine Reclamation

Committed to Northern Development Care & Maintenance Photo: NUNA Photo:

Nu na’s experience in reclamation, care and maintenance is born out of its involvement in many of the major Canadian arctic mine developments and exploration programs. Mine Reclamation Care & Maintenance Photos: NUNA Photos:

100+ years of experience Giant Mine Freeze Optimization Study Under the Giant Mine care and maintenance contract, Deton’Cho/ NUNA’s management team and northern operation Nuna Joint Venture provided construction services to support a trial personnel have a combined 100+ years of experience in the project designed to optimize methods of freezing the underground design and execution of remote arctic mining developments and arsenic storage chambers. Our work included surface drilling by reclamation projects such as the reclamation activities of Port a variety of methods (mud rotary, coring and down hole hammer) Radium and Pine Point, located in the Northwest Territories. and installation of piping for a mechanical freezing system, NUNA understands and adheres to the strict environmental instrumentation installations, underground development required for regulations that govern reclamation of mine sites including: horizontal drilling and freeze pipe installation, surface civil works and handling of hazardous materials (hydrocarbon contaminated soils, site grading and bulkhead construction. reagents) tailings, reclamation and site rehabilitation. NUNA’s site specific procedures are based on our Integrated Health, Safety and CORPORATION (formerly Echo Bay Mines) Environment Management System (IHSEMS). , Nunavut, Canada NUNA establishes and implements hazardous materials First phase tailings reclamation at Lupin Mine included the crushing handling and disposal programs at all NUNA work sites. and transportation of esker materials and backfill at the tailings site.

Successful Projects by NUNA & Partners BHP BILLITON DIAMONDS INC., EKATI Diamond Mine, Northwest Territories, Canada Pu blic Works Government Services Canada Contaminated soils reclamation and treatment (test). Giant Mine, Yellowknife, Northwest Territories, Canada In 2004, NUNA, through a joint venture with the Deton’Cho Successful Projects by NUNA’s Corporation, was contracted by Public Works Government Services Management Team Canada to provide care and maintenance at the Giant Mine site. ECHO BAY MINES, , Northwest Territories, The site carries pre-existing environmental conditions including Canada 237,000 tonnes of arsenic trioxide stored underground. NUNA’s Site reclamation. services at Giant Mine cover a wide range including maintaining site facilities and equipment, underground access and hoisting and COMINCO LTD., Pine Point, Northwest Territories, Canada pumping equipment, site security, pipework upgrade and demolition Plant site reclamation and equipment purchase. of bulk fuel storage and selected buildings. NUNA reconstructed Miramar Mining Corporation the nearby Baker Creek, specifically the rehabilitation of the existing Con Mine Reclamation, Northwest Territories, Canada channel over a linear distance of 600 m (1,969'), creation of a new Reclamation work comprised site road and pad contouring. stream channel and construction of a 21 m (70') clear span steel bridge to support future heavy equipment traffic.

www.nunalogistics.com Dependable Project Development Large Diameter

Committed to Northern Development Drilling Photo: Gold Inc. Shore

Nu na Drilling provides large diameter drilling using the Bauer BG 36, a state of the art drill rig capable of augering to a depth of 85 m and flooded reverse circulation drilling (1,200 mm diameter) to an ultimate depth of over 350 m. Large Diameter Drilling Photos: NUNA Photos:

Nuna Drilling Services Successful Projects by NUNA & Partners NUNA Drilling’s Bauer BG 36 drill rig systems are capable of Shore Gold Inc. drilling 1,200 mm (4') diameter holes to a depth of 350 m Star Diamond Project, Prince Albert, Saskatchewan, (1,150'). These diesel-powered electric/hydraulic units utilize Canada Caterpillar-powered crawler units with retractable masts. After a Bulk Sample 184 Holes (39,000 m) (128,000') unit is walked to a large diameter drill (LDD) location, overburden to Shore Gold Inc.’s Star Diamond Project lies in Fort à la Corne, a maximum depth of 85 m (279') is augered using a Kelly system Saskatchewan, hosting one of the most extensive kimberlite fields with a selection of excavation tools. A Bauer-supplied oscillator is in the world. The kimberlite is overlain by as much as 120 m used to set and recover double-walled casing to as much as 40 (394') of overburden consisting of sand, mudstone, boulders m (131') depth. Beyond that depth, or in harder formations, the and glacial till. system is reconfigured to use reverse circulation drilling. NUNA Drilling was chosen to conduct a large diameter In reverse circulation mode, 6 m (20') long sections of drill program, with an initial target of 72 holes, to collect bulk 9-5/8" double-walled drill pipe are added to the drill string utilizing samples from the extensive area. Holes were 1,200 mm in a manipulator which enables an operator to handle pipe while diameter (4') with depths ranging to over 300 m (984'). safely removed from the suspended load. Compressed air is Working with Bauer Maschinen GmbH, NUNA Drilling supplied down the hole between the inner and outer pipe walls. developed new equipment and techniques to drill holes in 2 stages. Air valves which form part of the drill string allow high-pressure The process used 2 sets of fully-equipped mobile BG 36 drill rigs, air to enter the inner pipe at a distance above the hole bottom bentonite and polymer solutions and primary support equipment; and to escape to surface; the vacuum created lifts slurry from the all provided by NUNA Drilling. Holes were “Kelly drilled” through the hole bottom. Holes are drilled in flooded conditions utilizing drilling first 85 m of overburden and then the rigs were switched to reverse “muds” to stabilize open holes below the casing. circulation drilling and geologists were provided sampling intervals. A variety of drill bits are employed to suit conditions Rigs were walked between holes and the skid-mounted support which range from soft soils to rock with high compressive equipment was repositioned with support equipment. Operations strengths. Drill data is electronically recorded for later analysis. continued year-round on a 24 hour basis. Sampling for diamonds in kimberlite is accomplished NUNA Drillings’ work for Shore Gold extended onto the through the use of a desanding unit which separates drilling fluids FALC Joint Venture ground where a series of similar holes were from the sample, washes the sample and recovers materials drilled. Accumulated drill program covered 184 holes (39,000 m) greater than a specified size. The samples are bagged and (128,000'). transported to a designated area. Drilling operations are 24 hours per day, year-round.

www.nunalogistics.com Dependable Project Development Heavy Equipment

Committed to Northern Development Contract Training Photo: NUNA Photo:

NAUN TRAINING TECHNOLOGIES delivers to your doorstep professional, cost effective and comprehensive heavy equipment operator/instructor training and safety programs. NUNA utilizes classroom, simulator and field training methodologies meeting legislative and industry best practices. Heavy Equipment Contract Training Photos: NUNA Photos:

Quality & Value NUNA’s mobile heavy equipment simulators offer a safer, faster and more economical means to test, train and retrain frontline NUNA provides heavy equipment training and safety programs equipment operators and instructors. to Canada’s mining and construction industries, government and Designed to meet various operator levels, training programs educational institutions. The foundation of our training is based on can be customized to meet the unique requirements of a wide range years of experience gained as equipment operators, safety facilitators of mining and construction operations. Within the simulator, the op- and as mining and construction contractors. NUNA’s instructors erator sees, hears and feels everything in a realistic way – just as if understand that people learn by different means and that Canada they were operating the actual heavy equipment. Instruction in practi- comprises various cultures and environments and have developed cal terms on how to react to brake failures, tire fires, wet and slippery training programs accordingly. conditions, fog and dust and night driving are just a few examples of Companies that employ heavy equipment understand that this simulated reality training. proper equipment training protects people and assets. Training can NUNA’s simulator provides the trainers with selectable represent a significant amount of the operating budget. The fixed lesson levels that record the operator’s performance and the costs of lost equipment productivity revenue, fuels and lubes, and the machine’s operation from start-up to shut-down. This important wear and tear a machine might receive in the initial training process feature ensures unbiased evaluation. A new or pre-employment are all good reasons to look for a better way. operator is exposed to all simulator lessons and error warnings, NUNA’s heavy equipment simulator training is value while experienced operators undergo refresher testing without adding by lower costs and risk to employees and equipment. assistance from the simulator trainer. Lessons make use of

advanced multimedia including voice-over narration and graphics (in both English and local dialects) to get the correct method and Field & Simulator Contract Training custom designed message across. NUNA supplements this training with classroom specific to training those who desire to work in the video, manuals, study material and examination. mining and construction industry while meeting the The simulator’s inter­changeable vehicle, site and dash needs of mining and construction operations. components provide complete flexible training on a wide range Simulator Based Training Programs of equipment types, such as the full line of Caterpillar haul trucks, Haul Truck, Wheel Loader, Crawler, Dozer, excavators and shovels; and Bell, Komatsu and Hitachi dozers, Track Excavator, Motor Grader loaders, rope shovels and underground machinery. , Combination Program Simulator and Field The simulator can be up and running within hours of arrival

Field Based Training Programs (including valuable at a mine/construction site, and is so cost-effective that companies classroom sessions), Skid Steer Loader, Forklift, can recover training costs with the saving on fuels and lubes alone. Compact Equipment, Motor Grader, Flag Person, Diamond Drill Helper

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