Floor Joist Check w Partition (stress conservative - deflection good)
Floor Construction
none 12mm ply / OSB 2 x 12mm ply / OSB (Warm deck) 18mm chipboard 22mm chipboard 15mm t&g floor boarding 38mm chipboard		18	kg/m2
100 x 50 timbers 150 x 50 timbers 200 x 50 timbers 225 x 50 timbers		8	kg/m2
Insulation		3	kg/m2
No plasterboard 1 layer 12.5mm plasterboard 2 layer 12.5mm plasterboard 3 layer 12.5mm plasterboard 4 layer 12.5mm plasterboard		24	kg/m2
contingency		0	kg/m2
Total		53	kg/m2
Permanent Load (G)		0.52	kN/m2
Domestic Variable Load (QA) Office Variable Load Shop Variable Load Mezzanine floor Variable Load		1.5	kN/m2
Total		2.02	kN/m2
Partition Construction
lightweight partition
No plasterboard 1 layer 12.5mm plasterboard 2 layer 12.5mm plasterboard 3 layer 12.5mm plasterboard 4 layer 12.5mm plasterboard		15	kg/m2
100 x 50 timbers 150 x 50 timbers 200 x 50 timbers 225 x 50 timbers		12	kg/m2
No plasterboard 1 layer 12.5mm plasterboard 2 layer 12.5mm plasterboard 3 layer 12.5mm plasterboard 4 layer 12.5mm plasterboard		15	kg/m2
Insulation		8	kg/m2
Contingency		0	kg/m2
Total		50	kg/m2
Permanent Load (G)		0.49	kN/m2
Total		0.49	kN/m2
Floor Joist	Data Entry
Height of Partition		m
Clear Span		m eff	3.75
Centres		m
Trial Depth		mm
Trial Width		mm	Factor Emin
No of Members	1 2 3 4	No.	1.24
timber grade	C16 C24	stress	deflection
joist satisfactory		69.4%	75.2%