PPT ON EXCAVATION... FOR SAFETY OFFICER WORK

1. INDIAN SAFETY
SOLUTIONS
PPT ON (EXCAVATION)
DIRECTOR- JAMAL AFROJ SIR
PRESENTED BY- RAZIK & EMAMMUDIN

2. INTRODUCTION
WHAT IS EXCAVATION?
IT IS DONE BY TWO
WAYS:-
THE DIGGING ON EARTH AND MAKING A PIT IS CALLED
EXCAVATION.
MANUALLY MECHANICALLY

4. TYPES OF EXCAVATION
1
2
3
4
5
6
Bridge
Borrow
Channel
Drainage/Structur
e
Dredge
Earth
THERE ARE 13 TYPES OF EXCAVATION AND THEY
ARE-

5. TYPES OF EXCAVATION
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8
9
10
11
1
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Muck
Roadway
Rock
Stripping
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13
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d

6. HAZARDS IN EXCAVATION
FALL OF A PERSON INTO
EXCAVATION PIT.COLLAPSE OF MACHINE IN THE PIT.
COLLAPSE OF EXCAVATION SIDES & FALLING OF EXCAVATION MATERIALS ON TO PERSON WHOM IS
WORKING WITHIN THE EXCAVATION.
COLLAPSE OF TEMPORARY STRUCTURE MADE TO SUPPORT SIDE OF EXCAVATION.
STRIKING UNDERGROUND ELECTRIC CABLES WHICH MAY CAUSE FLASH BURN &
ELECTRIC SHOCK.FIRE & EXPLOSION FROM FLAMMABLE GASES HEAVIER THAN AIR WHICH MAY ENTER IN TO
EXCAVATION.POISONING FROM GASES HEAVIER THAN AIR SUCH AS HYDROGEN SULPHIDE, CO2, METHANE
ETC.EMULSION & ACCUMULATION OF WATER.
RELIGIOUS SENTIMENTS LIKE TEMPLE, MOSQUE, STATUE, GURUDWARA, ETC.
TRAFFIC PROBLEMS.
PERSON WITHIN THE EXCAVATION MAY BE STRUCK BY PARTS OF MACHINE, FALLS OF SOIL FROM
EXCAVATION BUCKET AND OTHER OBJECTS DROPPED ON THEM.
ASPHYXIATION DUE TO LACK OF OXYGEN.
INHALATION OF TOXIC MATERIALS.

7. HAZARDS IN EXCAVATION
TRENCH HAZARD.
CAVE-IN HAZARD

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9. SAFETY MEASURES FOR
EXCAVATIONSOIL COLLAPSE:- SHORING, SHIELDING & BENCH MARKING.
TOXIC GAS:- PERIODIC TOXIC GAS MONOTORING USING GAS DETECTORS:
ADEQUATE VENTILATIONS.

10. SAFETY MEASURES FOR
EXCAVATIONUNDERGROUND UTILITIES:- ESTIMATION OF LOCATION, ISOLATION, USAGE OF HAND
TOOLS AND PROTECTION.
EXPOSURE OF FALLING LOADS:- SCALING, USING
PROTECTIVE BARRICADES, ETC..

11. SAFETY MEASURES FOR
EXCAVATIONACCUMULATION OF WATER:- DEWATERING PROVISION, RE-ROUTING TO COMMON
COLLECTION POINT, USING SPOILS..
VEHICLE TRAFFIC:- INSTALL BARICADES,
STOPS, LOGS, MECHANICAL SIGNALS..

12. INSPECTION OF THE EXCAVATION
PIT
DAILY AND BEFORE THE START OF EACH SHIFT..
AFTER EVERY RAIN STORMS.
AFTER OTHER EVENTS THAT COULD INCREASE HAZARDS e.g. SNOWSTORM, WINDSTORM, THAW,
EARTHQUAKE,ETC..
WHEN FISSURES, TENSION CRACKS, SLOUGHING, UNDERCUTTING, WATER SEEPAGE, BUILDING AT
THE BOTTOM, OR OTHER SIMILAR CONDITION OCCURS..

13. T H A N K S F O R W A T C H I
N G
ANSARI.ABDUL961@GMAIL.C
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ANSARI.ABDUL961@GMAIL.C
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