How much money is needed? How do we create an optimal plan?
Which projects should be conducted first?
What data is needed? How good is it? How can it be improved?
What is the probability that a pipe will break? What is the break rate based on age? What is the service life?
If a pipe breaks what will the damages and disruptions of service be?
Length, Break Rate based on material, date of installation, date of abandonment, date of break, age, diameter, soil, etc.