No.

Factor/Aspect

Reference

Cracking Probability

Score

1

Leaks

Historical records

Very high failure probability

100

2

High hardness in the base material (susceptible material)

Metallographic analyses laboratory/field

High failure probability if stress levels are increased

80

3

By force withdrawn/ installed sections (high stress levels)

Field works

High failure probability

80

4

Linearity recovery of withdrawn pipe sections (high stress levels)

Field works

Very high failure probability

100

5

Identified cracks

Metallographic analyses laboratory/field

High failure probability

100

6

High stress level sites

Flexibility analysis

Intermediate failure probability if combined

with susceptible materials

50

7

Sites with high displacement

Flexibility analysis

Intermediate failure probability if combined

with susceptible materials

50

8

Sites with varying

stress level

Flexibility analysis

High failure

probability if combined

with susceptible materials

80