1) The loads coming on the formwork is as below
Self weight of concrete with density taken as 2600 kg per cum, live load about 400 kg per sqm.
2) The load transfer mechanism
Plywood skin to wooden rafters supported on acrow span and to telescopic props and transferes to floor below or grade slab
3) based on the above load and the properties of plywood, wooden battens called chavis ,acrow spans and props.
4) details can be obtained from manufacture brouchure and wooden details from google...
Hope this addresses the query