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It's a mezzanine floor, the drain in the inner courtyard doesn't work and the downpipe is poorly constructed. We believe the entire installation needs to be changed. Every time it rains, we flood. This is a communal work, we need a quote for the community president. In any case, I have bought a spare part for the rubber ball (rubber/plastic ball with rod and nuts) but given the difficult access, I would like a professional familiar with this type of work to install it. That's why I'd like to request a quote. After flushing the toilet, i.e. the cistern flush. The cistern fills up and water starts coming out again, forcing us to close the stopcock... The cistern flush has a button. I'm sorry if I'm not expressing myself correctly, as I lack knowledge in this area.
