cable moving presentation.pdf

8/13/2019 cable moving presentation.pdf

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Actual Mine Shovel

Power Cable

Handling Techniques

Presented by: Martin Reyes BarrickGoldstrike Mines Inc.


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Barrick Goldstrike is Large

Open Pit Gold Mine.

4 P&H 2800 Electric Shovels

420,000 tons per day.

20 930E haul trucks, 39 TrolleyEquipped 685E haul trucks, 2

Trolley Equipped 730E haul

trucks.

650 Mine Division Employees.

12 On-crew Rotating

Electricians.

3 In-shop PM Electricians.

Mine Overview


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Daily - 8:30am meeting at Pit

overlook.

Attending: Mine Operations

Survey

Dewatering

Geo technical

Blasting

Maintenance

cable handling people.

How a Cable Move ComesAbout.


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Short Range Planning / Blasting

determine cable moves required

for blast.

Short Range Planning / MineOps. Determine shovel progress

that would require cable moves.

Short Range Gets With The Pit

Supervisor and 269 People todetermine plan of attack.

Discussing a Cable Move.


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Beginning of a Cable Move Due

to a Blast Pattern.

269 personal calls theElectricians.

Electricians get to the

sub and call the shoveloperator to make sure

the bucket is on the

ground and shovel isshut down.


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Electricians open the

breaker, ground it outwith the built in

grounding bar and

verify that the breaker

is open and grounded.

Each Electrician puts

their personal lock on,

then they meet the 269

people to see what

needs to be

disconnected.


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Electricians arrive at

the box that needs

disconnecting. They begin by

unlocking the box,

once again theyground out each phase.

Then they disconnect

the cable, tape the


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After cable is

disconnected, 269

person hooks up to theBox and drags it out of

harms way.


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Heres the other end

off the cable gettingdragged out of harms

way.


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What Can Happen if J-Boxes

Arent Moved Far Enough.


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As with any cable or

Shovel move it startsat the 8:30 morning

meeting.

Basic Shovel Move


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Electricians get the

call and go down to

the sub and stand by in

case they trip the Sub

while Walking the

Shovel.


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269 people startgetting the cable ready

to move.


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Then The Fun Starts!


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Shovel Walking Down a Ramp


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Equipment Used to Pull Cable

Along While Shovel is Walking


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Shovel Reaches its Destination

Cable handlers beginto lay out the Shovels

cable.


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Shovel is Called Up and PutBack to Work.


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B.G.M.I Cable Repair Facilities.


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Cable Splicing Shed.


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Inside Cable Splicing Shed.


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Cable Reeling Equipment. 834 RTD converted to

fulltime cable reeler .


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Stationary Reeler.

Used for handling the

cable through the shed.


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Stationary Reeler.

Controlled by a small

VFD inside the shed

with remote control.


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Good Cable Staging Area.


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Bad Cable is Laid Out.


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We will start to

cadweld our cableconnections soon.


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This should help on our pilot

wire connections. This is our

weak link in a s lice.


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Internal Grounding Bar. Internal Grounding

Bar.


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834 Reeler at Work.

834 Cable Reeler at

Work.

i i


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Previous Picture Shows Reeler

Rolling up This Cable going

Down this High Wall.

Previous Picture

Shows Cable Reeler

Reeling This Cable up

Going Down This

High Wall.


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Documents

cable moving presentation.pdf