There’s beams spanning 215mm centers approx.
There’s 7 beams.
With approx 60-70 , 7.3n blocks between beams.
Between each T beam is a row of 7.3N blocks
T beam is 10mm thick steel.
The T beam is 100mm high, from where blocks sit on , upto top of block.
So the T beam is inverted T , with T...