Literal question
5.1 Indicate whether any work or interventions were carried out to systems in the dwelling over the past ten years (electrical, plumbing, heating, etc.)
[] 1 Yes
[] 2 No
Interviewer instructions
This point deals with the maintenance, repair, restoration, and restructuring carried out on the dwelling over the past 10 years by both current and past residents. Small repairs and work carried out on the building that houses the apartment, must not be taken into consideration.
Question 5.1
Work and/or interventions on systems means the work carried out to maintain system efficiency (plumbing, bathroom, heating, electrical, etc.), to renew systems, change them and so forth. Small repairs must not be taken into consideration.