Assume that carpenter's hourly rate is $35/hour and all of the following rates are for a carpenter (or two) to do the work. In reality you would probably have different rates for form builders and labourers. Forming - footings .085hrs/LF - keyway .015hrs/LF - foundation Wall .13hrs/SF Fibre Joint Filler .021hrs/LF Reinforcing Steel 15.238hrs/TON (TON = 2000 pounds) SOG - place 1.449hrs/CY - screed .021hrs/SF - float .012hrs/SF - under slab vapour retarder $0.10/SF Place Concrete - footings .4hrs/CY - foundation walls .48hrs/CY Perimeter Insulation .012hrs/SF Frames - Hollow Metal (HM) 2 carpenters 1 hour per frame - wood 2 carpenters 1.21 hours per frame Doors - HM 2 carpenters 0.8 hours per door - wood 2 carpenters .941 hours per door Hardware - HM or wood doors 2 carpenters 1 hour per door Windows .889hrs/window