Interviewer instructions
35. Sewerage installations (item 12)
The dwellings are considered as having installations for sewage system when the housing unit is using a piped system for waste water disposal that is connected to a public sewage disposal plant (the mark x will be recorded on the box for the code 1), or the dwellings having available piped system for waste water empties to a certain place as a pit absorbent (the mark x will be recorded to the box for the code 2).