Same procedure, remove the topsoil/organics, add "A" Gravel compact and level, then install the SM insulation board 1 1/2" - 2" thick 30 DPI under slab, purchase ship-lap and tape. ( Magestik will supply SM by request )
Bolt the channel forms as per the P. Eng sealed drawing provided, then install the threaded bar with lock nuts and the re:bar.
Install radiant heat tubing under over the re:bar grid so the tube is not closer then 2" to the top of slab. ( future cutting of the slab )
Anchor Bolt the 2"x6" sills to the slab with 2" washers then install the foundation Gasket.
Erect the building as per usual Lumber Building construction practices.