Title Page
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Site conducted
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Conducted on
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Document Number
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Machine type:
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Person conducting prestart
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Work phase:
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Shift:
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Drive pack hour meter
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Rotation meter:
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Thrust pack hour meter
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Hour meter
1. Main Frame
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Columns greased?
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Drill string in the centre of the work table?
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Expansion pin: tight and in position?
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Base Plate bolts: tight?
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Wedge bolts: tight?
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Slip Plate condition?
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Worktable Proxies installed and functional “NO GO ITEM”
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Verify dip of the machine (Inclinometer)
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Turnbuckles in good condition and holes covered?
2. Chuck / Semi-wrench
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Chuck bolts tight?
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Floatbox Float indicator functional
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Wear ring Condition
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Floatbox Inspection (Thread gauged / Tyre gauged)
3. Drive Train
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Excessive Noise - Running free “NO GO ITEM”
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Excessive Noise - Running load “NO GO ITEM”
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Garlock Seal leaks
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Grear Shifter working
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Water Swivel overflow “NO GO ITEM”
4. Lube System
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Oil Level (lube tank)
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Oil leaks
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Filter Clogging gauge “NO GO ITEM”
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Magnetic Plug (Crosshead)
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Oil through white cloth
5. Hydraulic System - THRUST
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Oil level in thrust pack?
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Oil Foaming (Milkyness) “NO GO ITEM”
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Oil Leaks in Thrust pack
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Oil Leaks - Any leaks on the thrust hoses
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Oil Leaks - Any leaks on the Thrust cylinders
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Oil Leaks - Any leaks on teh Quick couplers
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Thrust Cylinders / Columns chrome condition
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What's the condition of the Thrust hoses?
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Hydraulic Pump coupler to motor (Coupler insert)
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Pressure Filter clogging gauges “NO GO ITEM”
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Return Filter clogging gauges “NO GO ITEM”
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Offline Filter clogging gauges in range?
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No Excessive noise levels avbove 80dB
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No Excessive Vibration?
6. Hydraulic System - DRIVE
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Whats the drive pack Oil level?
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Oil condition, Oil Foaming (Milkyness) “NO GO ITEM”
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Oil Leaks - Drive pack
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Oil Leaks - Hose to rig
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Oil Leaks - Drive motors
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Oil Leaks - Quick couplers
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Hydraulic Hose condition
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Hydraulic Pump coupler to motor (Coupler insert)
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Pressure Filter clogging gauges “NO GO ITEM”
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Return Filter clogging gauges “NO GO ITEM”
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Offline Filter clogging gauges
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Excessive noise
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Excessive Vibration
7. Pipe Loader
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Oil Leaks
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Alignment of pipe loader
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Gripper Shoe condition
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Proxies installed and functional “NO GO ITEM"
8. Electric Pack
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Inspect the electrical cabinet
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Doors locked and secure. “NO GO ITEM”
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Earth Leakage working?
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Inspect the electrical cabinet and ensure clean and dry inside
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Supply voltage (Max +10%; Min -5%)
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Inspect the electrical cabinet and ensure there are no loose leads or corroded lugs.
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Torque limiter working. “NO GO ITEM”
9. Water Management
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Please tick n/a if not pilot drilling
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Water Pumps condition
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Are you reaming
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Water hose condition
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Water Flow meter installed and working
ADDITIONAL WORK COMPLETED
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Was there any additional work completed (i.e general repairs)
Was there any additional work completed (general repairs and maintenance)
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Maintenance task
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Parts used
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Part used serial number
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Quantity in store
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Quantity to order
Sign off
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Driller
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Driller review prestart and to verify that the rig is in good condition safe to operate
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Driller
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Supervisor
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Supervisor review prestart and to verify that the rig is in good condition safe to operate
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Project Supervisor
