To find the location where thematic issues about "Operation and maintenance" are being discussed, please go here on the forum (actually, there is no specific thematic category for operation and maintenance (O&M) but O&M issues are often discussed in the threads in this category):
forum.susana.org/forum/categories/33-sanitation-systems

They can also appear in this category:
forum.susana.org/forum/categories/68-mar...nance-and-governance

In contrast, this sub-section here only discusses organisational issues around the Working Group 10 on operation and maintenance, such as the date for next meeting, minutes from meetings, planned outputs of working group etc.