Skip to Main Content
Table 1

Definitions of deterioration and maintenance management systems

Deterioration condition
A (Sound)B (Satisfactory)C (Caution)D (Warning)E (Critical)
Deterioration has not occurred in most water utilities Deterioration has occurred at some water utilities Deterioration has occurred at moderate numbers of water utilities Deterioration has occurred in many facilities and repairs/reinforcement are needed Deterioration is severe, and needs urgent countermeasures 
Maintenance management system
Upward
Flat
Downward
If current maintenance management system continues, current state of deterioration will improve If current maintenance management system continues, current state of deterioration will not change Unless current maintenance management system is not improved, deterioration will worsen 
Deterioration condition
A (Sound)B (Satisfactory)C (Caution)D (Warning)E (Critical)
Deterioration has not occurred in most water utilities Deterioration has occurred at some water utilities Deterioration has occurred at moderate numbers of water utilities Deterioration has occurred in many facilities and repairs/reinforcement are needed Deterioration is severe, and needs urgent countermeasures 
Maintenance management system
Upward
Flat
Downward
If current maintenance management system continues, current state of deterioration will improve If current maintenance management system continues, current state of deterioration will not change Unless current maintenance management system is not improved, deterioration will worsen 
Close Modal

or Create an Account

Close Modal
Close Modal