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Hoistman (Spider No. 2)

Hoistman (Spider No. 2)
4.  Preventative maintenance 5.  Drilling 6.  Blasting 7.  Hoisting Personnel
1. 4. Preventative maintenance
Grease zoned fittings of derrick
Obtain grease gun
Instruct topman to take extra tube of grease
Grease zoned fittings at base of derrick
Pump 12 pumps of multipurpose grease into each fitting
Grease derrick fittings
Use two hoists
Boom the hoist to be greased all the way down, dog off boom, and shut hoist down
Travel to other derrick
Instruct topman and helper to get into bucket of 2nd hoist
Consider tie-off options
Watch for topman or helper to signal hoist operator for bucket positioning Priority 2
Boom bucket of 2nd hoist so it is positioned to grease boom block
Reposition boom to grease the second boom block
Follow topman's directions/signals Priority 2
Reposition boom to grease the fittings on top of derrick
Grease/lube hoist (Model MCH 200)
one located on each side of load drum
one located on right side of boom drum
one located inside dial indicator chain (sprocket side)
one located on the end of the transmission
lubricate the ring gear using molly gear lube on the load line drum (as needed)
door located to the right rear of the operator
Grease/lube hoist (Model MCH 140)
one located on each side of load drum
one on each side of boom drum
one on each end of jack shaft on the load
one on each end of jack shaft on the boom
one on the dial indicator chain (sprocket side)
one located on each brake
Lock and tag out electric motor before removing guard to grease Priority 3
Grease three fittings on each end of the electrical motor coupler in the unit house Priority 3
Grease one grease fitting on each end of the electrical motor for bearings
one pump, once a month
lubricate the ring gear using molly gear lube on the load line drum (as needed)
door located on top middle of the guard on the far side of the load drum
2. 5. Drilling
Put in drill rig
Remove all personnel from hole Priority 3
instruct topman to hook to the drill rig
place in low speed Priority 2
pick up drill rig
Over-ride the upper limit to get over the fence
ensure the make-up does not go into the point sheave Priority 2
swing over the shaft
Ensure you are centered on shaft using center mark on boom drum and center mark on the swing circle
Ensure drill is entirely steady after placing over the shaft
steady up (if necessary) by having someone stand in crows nest to steady the rig with a wooden loading pole
lower drill rig to the bottom allowing for the height of the drill rig
Allow 3 wraps of cable to cover the height of the drill rig on the MCH200
stop at 3 wraps and ease to the bottom of shaft
observe pressure gauge - pressure will reduce when rig is on the bottom
raise approximately 1 foot
swing drill off center
set drill back on the bottom
shut hoist off
travel to the No. 2 hoist house
ensure topman is in crows nest Priority 2
send in mantrip on mantrip center
Once personnel are on the bottom, pull bucket back out and place on ground out of way
Shut No. 2 hoist off
Return to No. 1 hoist
wait for signal from hole boss to center rig in shaft
wait for signal from hole boss to lower rig onto blocks
observe pressure gauge for dropping pressure
allow a small amount of slack in the cable Priority 2
CAUTION: These moves are made very slowly and deliberately. Requires clear communication between hole boss and hoistman. If unsure of communications, stop until clear.
shut hoist off
travel back to No. 2 Hoist
Instruct topman to unhook shaft bucket
place hook on water tank
Pick up out of holder ensuring it is steady
Place on proper water center
Lower into the hole on high speed
Stop 2 wraps before steady Priority 2
switch to low speed
wait for signal from hole boss
lower water tank down (upon signal) until you receive a signal to stop
Set hoist on dog and set brake
Place reference mark on cable
this will serve as a guide for future entry into the hole
stop 2 wraps above steady mark
wait for bell before lowering to reference mark
Pull drill rig
Upon signal from hole foreman, go to No. 1 Hoist
pick up drill rig off of blocks approximately 1 - 1 1/2 feet
this allows crew to remove blocking and load materials onto drill rig at the end of cycle
travel to No. 2 Hoist house
Instruct topman to hook up mantrip
lower mantrip down to steady mark
wait on signal from hole boss
lower mantrip bucket to bottom
Ensure topman is in crows nest Priority 2
Wait for bell signal to raise mantrip to surface
Once mantrip is on surface, travel back to No. 1 Hoist House
Pull drill rig on low speed
Over-ride the upper limit to get over the fence
ensure the make-up does not go into the point sheave Priority 2
swing drill rig back to drill rig pad
lower to ground
instruct topman to unhook
swing empty hook over and leave hanging over the backhoe
shut hoist off
travel back to No. 2 Hoist to begin blasting cycle
3. 6. Blasting
Ensure topman is in crows nest Priority 2
lower mantrip with men back into the hole
wait for signal from hole boss to raise bucket and swing into position to remove bull hose
Once bull line is removed on signal, lower bucket back down to bottom on center to allow workers to exit bucket
raise bucket on signal and place outside
instruct topman to unhook shaft bucket and hook up powder magazine
ensure loading poles and blow pipe are secured to the magazine Priority 2
Pick up magazine
Ensure bottom of magazine is clean before lowering into hole Priority 2
center magazine and lower into hole
stop at steady mark and wait for signal Priority 3
upon signal, lower slowly until you are signaled to stop (usually 6 - 8" from bottom)
prevents stray current from outside source coming in contact with the magazine
Wait for signal to pull magazine out of hole
instruct topman to unhook magazine and hook up to gravel bucket
Raise gravel bucket enough for topman to clean bottom of bucket and trim the top Priority 2
Lower into hole on center stopping at steady mark Priority 3
wait for signal before lowering gravel bucket to bottom
crew will unhook gravel bucket
Upon signal, pull up the empty hook
Instruct topman to hook up to bulk loader Priority 2
Raise bulk loader enough to allow topman to clean and trim
Lower into hole on center stopping at steady mark Priority 3
Stop approximately 3' above ground to allow crew to connect hoses
Wait for signal to raise bulk loader slowly until signaled to stop
Wait for signal to lower bulk loader again to remove hoses
Wait for signal to pull bulk loader back out of the hole
Instruct topman to unhook bulk loader and send empty hook back into the hole stopping at the steady mark
Wait for signal to lower empty hook to pick up empty gravel bucket
Wait for signal to pull empty gravel bucket back out of hole
Instruct topman to hook back up to shaft bucket
Wait for signal to send shaft bucket back in stopping at steady mark Priority 3
Wait on signal to lower shaft bucket 3 - 4 " above ground
Wait for signal to raise bucket to remove remaining hoses
wait for signal to lower bucket to bottom
Wait for signal to raise bucket w/materials and phone
Instruct topman to unhook bucket with materials and remove from hook
If within 100 - 150 feet of top of hole or when applicable, send in blasting mats
Instruct topman to hook empty bucket back up
Place electric cap in bucket
Lower bucket back down into hole to steady mark Priority 3
Wait for signal to lower bucket 3 - 4 inches above bottom
Wait for signal for raise mantrip
Ensure topman is in crows nest Priority 2
If topman is not in crow’s nest, sound horn three times to alert the extraction of personnel from shaft
Lower bucket to ground
Allow crew to exit
Shut hoist down
4. 7. Hoisting Personnel
CAUTION: slower speeds may be required if there is other equipment in the hole or immediately after a blast Subtopic
Place bucket alongside shaft on the ground
Allow personnel to enter mantrip bucket
raise bucket approximately 4 - 5 feet to allow for cleaning underneath bucket
Instruct topman to be in crows nest anytime no one is on the bottom Priority 2
Place the No. 1 Hoist (MCH200) in personnel mode Priority 2
Ensures compliance with regulations for speed and this is the only way to engage over-speed on this hoist
Keep speed under 500 feet per minute on either hoist Priority 2
MCH140 requires manual speed control
Slow to less than 200 feet per minute within 100 feet of a stop on either hoist Priority 2
Stop at the steady mark if persons are in the hole; otherwise, continue to bottom Priority 3
Maintain constant communication via radio with fireboss, and crew leader while they are conducting any examination Priority 2