Type of structure | Design working life |
Structures of a temporary nature | Between 3 and 10 years |
Replaceable elements not forming part of the main structure (for example, handrails, pipe supports) | Between 10 and 25 years |
Agricultural or industrial buildings (or installations) and maritime works | Between 15 and 50 years |
Housing or office buildings, bridges or crossings of a total length of less than 10 metres and civil engineering structures (except maritime works) having a low or average economic repercussion | 50 years |
Buildings of a monumental nature or having a special importance | 100 years |
Bridges of a total length equal to or greater than 10 metres and other civil engineering structures having a high economic repercussion | 100 years |