Conrete cancer in apartment

So I have had about 9 months of drama trying to get the concrete cancer in my apartment fixed and would appreciate some advice as to what the EC should be paying for.

The basic story is I inherited the apartment about a year ago and once all the estate issues were finalised I moved in and went about fixing up the place. The first, and most obvious, thing that needed fixing was the concrete cancer in the kitchen. It was very visible with large lumps and cracks in the lino. In one section that the lino was not covering you could very easily break away the concrete to reveal the rusting metal supports.

I raised the issue with strata and after about 6 months a company was sent to do some exploratory work to see how bad it was. The result of this was that evidence of concrete cancer was found throughout the apartment and I was left with ripped carpet everywhere and a kitchen with huge holes in the ground. We have since had to use a strip of carpet in the kitchen to avoid tripping in the holes which means there is a strip of carpet missing from the living room. This was in March.

After quotes were prepared and a company was finally selected to do the work in May, I enquired about who would be covering the costs to replace the kitchen, that would have to be completely ripped out, and the carpet. I was told that the apartment would be left with no floor covering or kitchen and that I was expected to cover the costs for both of these to be replaced plus the costs of alternate living arrangements for a month while the works were completed. I have argued this as it seems a bit ridiculous to me that I should be expected to cover these costs so that a building issue could be rectified. Strata is saying that they have ‘statutory evidence’ that I stated I would cover the costs which was no more than a conversation with the company managing the works about doing renovations when the work was complete.

Does anyone know if these costs should be covered by the EC / sinking fund?