11

2

• Hazards• Causes• Control Measures

• Activities

• Facts

2

3

2%1%4%

5%

4%

36%12%

1%

2%1%

1%

5%1%

23%

Aphyxiation/inhalationCaught in stationary eqpt.Collapse of structureCrush in betweenElectric shockDrown,non-lethal fallFall from heightFall of objectfire/explosion

hyper thermia/hypothermiaLifting operationTrench collapseManual liftingOther

Causes Wise Construction Fatalities, 1999 (USA)

4

2%1%

8%

4%

3%

6%

1%

1%

46%

10%9%

9%

Fall of PersonFall of objectLifting eqpt.Non rail transportMachineryExcavationElectrical

TunnelingFire/ExplosionStricking an objectPoisoning & GassingOthers

Causes Wise Construction Fatalities, 1999(INDIA)

5

Fall of Person

Fall of object

Crush in between

Burn injury

Struck by object

Causes Wise Construction Fatalities, L & T E & C Division

8%

8%

33%

8%

42%

6

Activities

Roof work

Material shifting / Removal

Painting Insulation

Hot work

Equipment / Structural erection

7

8

Fall of Person

9

Fall of Material

10

Time(Seconds)

Distance(meters)

Distance(feet)

0.51

1.52

2.534

1.25

1120314478

4163664

100144256

TIME TAKEN BY MATERIAL TO FALL

11

ITEM WEIGHT STRIKING FORCE

WHEN DROPPED FROM

10 Meter 15 Meter

SQUARE WASHER 0.099 Kgs. 0.990 Kg.mt. 1.48 Kg.mt.

13.5 Kv INSULATOR 1.15 Kg. 11.15 Kg.mt. 17.25Kg.mt.

LAG SCREW 0.099 Kg. 0.990 Kg.mt. 1.48 Kg.mt.

5/8” BOLT 0.737 Kg. 7.370 Kg.mt. 11.05Kg.mt.

12” WRENCH 0.6849 Kg. 6.849 Kg.mt. 10.27Kg.mt.

9” PLIER 0.4249 Kg. 4.249 Kg.mt. 6.37 Kg.mt.

STRIKING FORCE ON HEADSTRIKING FORCE ON HEAD

12

Fire due to Fall of Hot Spatters

1 2

13

14

Scaffolding foundation is not firm

15

Non provision of Handrails

16

17

18

19

Makeshift Arrangements

20

USE OF DEFECTIVE

LADDER

21

LEAN TOO FAR SIDEWAYS

22

Non use of Crawling board

23

24

Slippery Working Platform

25

Floor Opening

26

Non use/incorrect use of Safety belt

1. 2.

27

Electric Shock

28

1. 2.

3. 4.

Poor Housekeepin

g

29

Not preparing welding booth / No protection against fall of hot

spatters

30

Case Study

1 2

31

• Engineering Control Method

• Compliance of statutory requirements

• PPE

32

33

• Competent person should be present during scaffold work & same to be Inspected regularly.

34

• Correct installation of cross/support brace.

35

Base of the scaffolding is stable and strong

36

37

GUARD RAILS AND TOE BOARDS FOR WORKING PLATFORM

38

RiserHeight = 19cm

75 - 85 cm

Slope :- 30 - 350

Staircase WidthMin. - 100cm

No. of Riser shall be limited to 12 per flight

Toe BoardHeight to be 150mm

Statutory Requirements for Staircase

39

• To be secured/tied to the structure or wall at the proper interval.

• Safe means of access to be provided by ladder or stairways• Working surface, guardrails, access/egress should be maintain in clean & non slippery condition• Ensure that scaffold system is not overloaded.

• Defective scaffold component to be repaired or destroyed.

Things to do ...

40

41

Use of crawling board

42

WORKING ON A C SHEET ROOFS

43

Roof Clamps

44

Ladd

ers

• 20 % of accident occurs due to defective ladders.

• 80 % of accidents are due to thoughtlessness & foolishness of ladder users

45

1 M

1

4

or Angle : 75 O

Ration 1 : 4 from side to up

Safe position of Ladder

Ladder

46

47

48

Ladder should be tied to the scaffolding or stable structure

49LADDER CLAMP

LADDER SHOULD PROJECT ONE METRE ABOVE THE

POINT OF SUPPORT

50

• NON – SLIP LADDER SHOES

51

52

53

54

55

56

FACE THE LADDER WHEN ASCENDING AND DESCENDING

57

58

Additional person holding the ladder to avoid collapse of ladder

59

Covered floor Openings

60

SHED to be provided at the entrance forto avoid fall of material from height

61

Provide extra porch to avoid fall of material. Display Precautionary board.

62

Safe procedure for lifting tubular to higher elevation

• Check all lifting tools & tackles• Shall be certified by competent person

• Cordon area• Ensure that material is secured prior to lift.

63

64

65

Safety Belt ( IS 3521 : 1989 )1. Waist Safety Belt 2. General Purpose Safety

Belt

66

3. Safety harness for confined Spaces & Hazardous area

4. Pole Safety Belt

67

68

69

Safety belt and horizontal lifeline to be provided while working on

structure.

70

71

72

73

74

Horizontal life line

75

Use of fall arrestor system

76

Safety Net System

8 feet

Up to 5 feet...More than

5 feet up to 10feet

To 10 feet

More than10feet

13 feet

Working Surface

Safety Net

77

Safety net is provided to prevent fall of material

on the persons working below on the ground

78

Case Study

Operation:- Bridge Construction

79

DON’T JUMP

FROM HIGHER ELEVATION,

YOU ARE NOT WORKING

FOR A CIRCUS COMPANY

80

Finish

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