IM 2017 June 17 | Page 23

UNDERGROUND DRILLING A Doofor DF538L rock drill in a component kit make drill feed building for our customers convenient”, explains Kalle Kuusento of Doofor Inc. “Customers may wish to source all the components of the kit, only some or none depending on their need. There are a number of companies and contractors, that want to build their own equipment. Our ready-thought component kit makes it almost effortless to get to the basics.” The Doofor component kit can include the DF430X, DF430S, DF530X, DF530S and the DF538L rock drills and their variations. The component kit also includes, depending on request, the Doofor feed profile of Finland-made anodised aluminium, feed motor, drill carriage, drill steel centraliser, feed chain and a drill steel retainer and protective cover. The drill feed can then be attached to an excavator, skid steer loader or a mini-loader. Doofor is also celebrating its 30th anniversary in September this year. The company, which manufactures hydraulic rock drills and original spare parts in Nokia, Finland, was founded in 1987 by Jaakko Kuusento as a manufacturing consultancy and the design and manufacturing of hydraulic rock drills started in 1993. Contracted development Specialist underground mining contractor PYBAR Mining Services has announced that it has been awarded the development and mining contract at Auctus Resources’ Mungana and King Vol projects, and has commenced operations at both sites. The contract covers 31 months service provision at Mungana and five years at King Vol. The Mungana zinc, copper, silver, gold and lead mine is located 16 km from Chillagoe in far north Queensland. The mine commenced operations in 2006 and went into a period of care and maintenance in 2012 under its previous owner. Auctus acquired the project in 2015 with the objective of recommencing production as soon as possible. The contract at Mungana follows PYBAR’s successful completion of an early works program at the project which took place from September 2016 to January 2017. Following a competitive tender process for the early works, PYBAR commenced work on site on 16 September under a four month agreement. The scope of early works consisted of the rehabilitation of the decline, the re-establishment of underground services and electrical supply, and the commencement of waste development out to the orebody. By the end of December 2016, over 2,000 m of decline had been repatriated, and access development was underway in the top four levels – 2225, 2200, 2175 and 2150 – of the planned sub-level cave. The equipment fleet for the early works comprised of one jumbo, truck and loader which achieved up to 300 m per month of development. On 31 December the ore zone on 2225 level was accessed ahead of schedule and PYBAR was subsequently awarded the 31 month IT’S A MATCH! BUILD A HYDRAULIC DRILL FEED EASILY. Doofor feed system component kit helps building a hydraulic drill feed easily, economically and quickly. The kit includes a Doofor drifter, aluminum feed, a hydraulic valve and other components according to your needs. The feed can be installed on number of platforms such as excavators, mini-loaders and can be used as a part of a drill rig. An era of easiness starts with Doofor! DOOFOR INC. Talttakatu 8 Tel. +358 3 343 0747 FI-37150 Nokia, Finland LQIRUPDWLRQ#GRRIRUƛ www.doofor.com www.facebook.com/doofor