Why is there so much variance in pool design?
I have had 2 engineers design a reinforced concrete above ground pool.
Design 1 - 250 thick shell N16-300 each way on both faces of the pool shell
Design 2 - 220 thick shell S12-200 each way on both faces of the pool shell
Now the guys...
I am needing to carry out some underpinning to a dry pack sandstone foundation wall as I need to drop the floor level in a basement, however the footings are founded at a higher level than the proposed slab level.
I cannot use the conventional mass pour method of underpinning (which involves...