INSPECTION FORM. Percuss. hours 1109* Shut down of suction for water holes x Water injector SanRemo. See report for more information

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1 1 (1) - Sandvik Surface TH/DTH Drills equipment Brand Ingersoll Rand Type CM780D Inspector Inspection date 7 April 016 Manufacture year Serial number USSG78379M Q Engine hours 6930 Percuss. hours 1109* Drifter type Rotary Head Drifters serial no. Owner Project number Manual language Options: Winch Collaring system Hydraulic jack Central lubrication system x Guides for grousers Electric filling pump x TIM system / Angle indicator / 3D system x Cabin Air Conditioning Engine heater Power extractor Dustmizer Remote control Vacuum cleaner Shut down of suction for water holes x Water injector SanRemo Towing hook See report for more information Points used in condition evaluation report: 1=New/OK =Acceptable 3=Must be repaired 4=Must be changed 1.0 Instruments Comments Points Est. Costs 1.1 Percussion pressure bar N/A 1. Rotation pressure 50 bar 1.3 Feed pressure 60 bar 1.4 Pilot pressure bar 1.5 Flushing pressure 11 bar high flushing free, 13 in hole, 3 standby and low bar flushing 1.6 Comp. temperature C Not reporting 3/4 1.7 Hyd. oil temperature 55 C Drifter/Rotary Head.1 Services of drifter/rotary head Unknown.3 Check leakages Slight leaks from drain holes on rotary head,.4 Fastening of tie rod N/A.5 Condition of shock absorber N/A.6 Operation of shank lubrication.7 Check accumulators N/A

2 (1).8 Check bolts, mounts,carriage Feed rail 3.1 Chain/cable/cylinder tight/cond. 3. Sprocket wheel 3.3 Check bleed in feed mechanism 3.4 Check shim (cradle) Excessive clearance Check shim (drifter carriage) Excessive clearance Check PITO Fork and jaws are worn, difficulty changing pipe Check feed rail 3.8 Check chain feed wear Average 3.9 Check safety bar or cage 3.10 Check weldments for cracks Weld in breakout cylinder mount cracked Check pipe winch and attachment N/A Rod changer 4.1 Check main components Some new parts, jaws cylinder, pins 3 4. Check cylinders for leakage 4.3 Check rod changer function Works but sloppy Check roller mech. condition N/A 4.5 Check rubber on rollers N/A 4.6 Check tubing/pipe spacers Check mounts, pins, bushings Main arm bushings are heavily worn Boom Check safety door, latches, retainers, arms 5.1 Check base boom Top door is worn and allowed tube to fall out while rotating tube. Main boom pins, bushings and yokes are 50% worn 5. Check knee boom 5.3 Check swing piece 5.4 Check cradle 5.5 Check lift cylinder 5.6 Check knee cylinder 5.7 Check swing cylinder 5.8 Check tilt cylinder Check zoom cylinder 5.9 movements and condition of wear pieces N/A 5.10 Check bolt tightness of cylinder pins 5.11 Check lubrication of all joints Many dry and worn pins Check weldments for cracks Hydraulic 6.1 Check drill control valve block Some small leaks 3 6. Check rod changer valve block Some small leaks Check boom valve block Some small leaks 3 3/4 4

3 3 (1) 6.4 Check tramming valve block 6.5 Check hydraulic hoses - carrier 6.6 Check hydraulic hoses - boom Some wet hoses Check oil cooler/cooler motors 6.8 Check hydraulic gauges 6.9 Measure the performance of hydraulic pumps N/A 6.10 Check hand pump and hose Pneumatic circuit 7.1 Check the performance of air compressor 7. Check air hoses for leakages 7.3 Check inlet valve 7.4 Check air intake hose, housing and filters 7.5 Check air receiver 7.6 Check compressor cooler 7.7 Check air pressure gauges 7.8 Check automatic greasing N/A 7.9 Check thread greasing 7.10 Compressor/percussion hour meter Is not working stopped at 1109 hrs Engine 8.1 Check oil level 8. Check engine for fluid leakages Wet around front main seal/oil pan (not dripping) /3 8.3 Check air intake hose, housing and filters 8.4 Check drive belts, guards, pulleys and shrouds. Belt guard cracked Measure engine oil pressure 34 psi 8.6 Check gearbox oil level N/A 8.7 Check cooling system 8.8 Check engine hours Hour meter is reported by ECM, appears to be a correct reading 8.9 Check electrical wires and connectors Some wiring unsecured Check exhaust gas after treatment system (TIER 4) N/A Dust collector 9.1 Check dust collector hose Some dry rot at ends, overall intact 9. Check dust collector motor 9.3 Check impeller 9.4 Check primary cyclone Has some wear and holes, very thin in spots Check suction head rubbers 9.6 Check fine dust collector 9.7 Eventual damages, bumps 9.8 Purging/cleaning valves Cleaning valves are detached from main box. May not be able to reattach due to wear on pipe stubs. 3/4

4 4 (1) 9.9 Check dustmizer/water injection valves and hoses Unable to test water injection, no water. Pump appears intact Check water tank and mounting Some dents in bottom of tank 9.11 Check pump/pressure washer N/A 9.1 Check filters Intact 9.13 Suction hood Cylinder is leaking Track assembly/undercarriage 10.1 Check track chain tightness 10. Check idler wheel 10.3 Check track rollers 10.4 Check track plates, guides, pins 10.5 Check drive sprocket 10.6 Check oil level of drive gears 10.7 Check oscillation cylinder, pins 10.8 Check weldments for cracks Electrical system and TIM 11.1 Check emergency stops 11. Check batteries, cables and main switch Batteries clean, good connections 11.3 Check working lights 11.4 Check gauges and instruments 11.5 Check operation of TIM / 3D 11.6 Cabinet seals, water/dust present N/A Body 1.1 Condition of covers 1. Condition of body 1.3 Condition of paint (generally) 1.4 Check oil receiver for damages and leakages 1.5 Check hydraulic oil tank for damages and leakages 1.6 Check fuel tank for damages and leakages 1.7 All warning signs Winch and hydraulic jack 13.1 Check winch wire N/A 13. Check function of winch N/A 13.3 Check locking of wire to drum N/A 13.4 Check hydraulic jack N/A Cabin

5 5 (1) 14.1 Check joysticks, levers Cabin joysticks detents/holding does not work and drill is currently using a bungee cord. Rubber boots are also in poor 3/4 shape. 14. Check wiper / washer system Front wiper works, top wiper does not Check seat 14.4 Check door and lock mech Check HVAC Heat works well, A/C does not function, pressure switch at dryer is not connected Check CD-Radio player No CD to test but radio work well Check operation of displays 14.8 Check control panels and switches 14.9 Check windows and fittings Front window cracked, top window heavily scratched Check mirrors and attachments Check steps, attachments 14.1 Check Horn Check beacon light N/A Check back up alarm Other 15.1 Spare parts/instructions manuals Manuals yes 15. Toolman CD N/A 15.3 General cleanliness of rig Needs to be cleaned Check extinguishers and suppression systems Extinguisher and bracket present 15.5 Heading Comments

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12 1 (1) Date and place Signature of inspector Edward A Gawrys 7 April 016 Name in block letters Edward A Gawrys Palmerton PA All faults or defects must be repaired before Security+ can be granted. Completed and signed form must be returned to warranty department. Repair date and place Signature of inspector Signature of manager Name in block letters Name in block letters