Harmonious block has a noise issue

We are in Sydney and our block of 9 with mostly long term tenants and a few owners has a noise issue that has gone on too long and leaving some in tears (literally). 

We need some steps please as the Strata Manager and Owners Corporation has filed the whole thing in the too hard basket at the last AGM (November). 

I’m an owner and the secretary of the Strata Committee seeking a pathway to a resolution for a tenant (T) who has lived here for 8 years. A new tenant moved in above their family a year ago and they have had no peace since. Every move the upstairs tenant makes is heard in T’s apartment clear as day. 

The upstairs landlord had renovated before I had bought/moved in and there is no mention in any Strata Meeting minutes of the floor boards that were put in. However at the last meeting he reassured owners that they comply acoustically and he gave mats to the tenant… Matter was closed and made clear by the majority no more is to be done and T can go to the tribunal. 

T has had no support from the Owners, T’s landlord (the only owner/landlord that no one has ever met) or the Strata Manager who is outright hostile about T and sides completely with the upstairs owner. 

T was hoping that upstairs would move out but they have extended their lease. T speaks to upstairs and upstairs have tried. No one has faith the tribunal will resolve the issue but this is where we are heading. 

What does T need for the best outcome at the tribunal? 

I am sympathetic to T’s challenge. What can I do? Do I become a witness to the noise (I have heard it hence my sympathy)? Can I provide minutes of the AGM for T’s battle. Do I contact the upstairs landlord on T’s behalf? I don’t want to ruin my relationship with the other owners we have a great relationship. There is maybe 1 other owner sympathetic to T’s challenge. Anyone got some clear steps to follow for a happy outcome. 

Thank you in advance