Browse Forums Building Standards; Getting It Right! 1 Jun 24, 2016 5:30 pm Hi, will be owner building a house but not yet at engineer stage. I would like to install a Hydronic Underfloor Trench with a Raft Slab, close to and parallel to the edge of the slab, basically along bi-fold doors. The trench needs to be approx 200(W) x 2000(L) by 300(D) to fit the hydronic panel/elements. Can it be done cost effectively? If yes, what is involved? Do you make the edge beam say 600mm wide and 500mm deep with the trench installed while the slab is being poured? Any idea of the estimated extra cost involved? 2 4342 1 10119 my suspicion - some builders, they do usually make 'odd' settings in their site plan / pricing as their standards - being hopeful that first - the initial price is… 9 2440 |