Risk factors

Prob. events

Impact risk level

Risk level in (%)

Time

cost

quality

Time

Cos

Qua

RII

risk

RII

RII

RII

RII

RII

RII

RII

Labour dispute & strike

0.5685

0.63

0.638

0.653

36.1

36.3

37.1

36.5

M

Labour poor productivity

0.7246

0.76

0.770

0.747

55.7

55.9

54.1

55.2

V.H

Labour culture, & religious

0.434

0.55

0.509

0.476

24.1

22.1

20.7

22.3

L

Equipment/material failure

0.7179

0.81

0.846

0.651

58.4

60.8

46.8

55.3

V.H

Equipment/material scarcity

0.719

0.79

0.77

0.607

57.4

55.9

43.7

52.3

V.H

Non-availability transportation

0.6067

0.58

0.612

0.567

35.6

37.1

34.4

35.7

M

Managerial inadequacy

0.5842

0.66

0.650

0.686

38.6

38.0

40.1

38.9

M

Supervisory inefficiency

0.5842

0.58

0.609

0.646

34.1

35.6

37.8

35.3

M

lack of Training b/n staffs

0.702

0.71

0.636

0.678

49.9

44.6

47.6

47.3

H

Lack of Communication

0.673

0.67

0.622

0.712

45.4

41.8

48.0

45.0

H

Weatherandseasonal implication

0.521

0.624

0.627

0.562

32.5

32.6

29.3

31.4

M

Sub-soilandgeological condition

0.549

0.61

0.653

0.585

33.9

35.8

32.2

33.9

M

Flood during construction

0.4186

0.54

0.567

0.601

23.0

23.7

25.2

23.9

L

departures of qualified staff

0.676

0.596

0.611

0.685

40.4

41.4

46.4

42.7

H

contractor/subcontractor’s incompetence

0.5299

0.62

0.589

0.705

33.0

31.2

37.3

33.8

M

Injuries

0.3151

0.32

0.3724

0.385

10.3

11.7

12.2

11.4

V.L

Earthquakes and Winds

0.2821

0.279

0.294

0.380

7.9

8.3

10.7

9.0

V.L

landslides and rock falls

0.327

0.415

0.423

0.501

13.6

13.8

16.4

14.6

V.L

New technology/materials fa,

0.561

0.581

0.528

0.633

32.6

29.7

35.5

32.6

M

Technology selection and Im,

0.567

0.611

0.571

0.662

34.6

32.4

37.5

34.8

M

Test failure

0.5790

0.605

0.556

0.648

35.1

32.2

37.5

34.9

M