DRILLING AND BLASTING PROCESS

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DRILLING AND BLASTING PROCESS

EXCAVATE

REMOVING RUBBLE FROM SITE

LOADER AND DUMP TRUCK

FRAGMENTATION

VIBRATION AND AIR BLAST

FLYROCK CAN MINIMIZED SIMULTANEOUS ROW BLAST

3.LOADING AND BLASTING

DYNAMITE AND NFO

1-8 INCH DIA 8-24 INCH LENGTH

DETONATOR AND PRIMACORD USED TO FIRED DYNAMITE

AMMONIUM NITRATE AND FUEL DIESEL USED IN NFO DYNAMITE

MILISECOND DELAY ELECTRONIC DETONATOR FREQUENTLY USED

2.MACHINERIES

BLAST HOLE DRILLING MACHINE

-ROCK BLASTING DRILLING RANGE 10 TO 20 FEET LENGTH CONTINUALLY ADDED TO REACH BOTTOM OR DEPTH TO BE BLASTED

FLUSHED WITH WATER

CONTRACTOR MUST BE EXPERT EXPRIENCED

1.DEFINED ROCK

SIZE AND HARDNESS ROCK

AUTHORITIES

TRENCH V MASS ROCK