Pipe

No.

Weighting

Coefficient

Pipe

Failure

Prob.

Weighted

Pipe fail.

Prob.

Node

No.

Weighting

Coefficient

Nodal

Failure

Prob.

Weighted

Nodal fail.

Prob.

P1

1

0.098

0.098

N1

0.9

0.0448

0.0403

P2

0.8

0.134

0.107

N2

0.8

0.0016

0.0013

P3

0.5

0.092

0.046

N3

0.5

0.0634

0.0317

P4

0.5

0.142

0.071

N4

0.6

0.0240

0.0144

P5

0.6

0.110

0.066

N5

0.5

0.0408

0.0204

P6

0.6

0.062

0.037

N6

0.4

0.0170

0.0068

P7

0.6

0.048

0.029

N7

0.7

0.0772

0.0540

P8

0.8

0.108

0.082

N8

1

0.0018

0.0018

P9

0.5

0.215

0.108

N9

0.9

0.0810

0.0729

P10

0.5

0.082

0.041

N10

0.8

0.0534

0.0427

P11

0.7

0.119

0.083

P12

0.7

0.063

0.044

P13

0.7

0.091

0.063

P14

0.9

0.056

0.05

P15

0.8

0.077

0.062

P16

0.8

0.051

0.041

System failure probability

0.108

System reliability

0.892