bearers
6300/1750 =3.6
round to 4+1 is 5 rows
5at 12.25 not ordable so 2 at 5.2 and one at 1.85
so 2 at 5.4 and one at 2.1
X5 rows is 10 at 5.4m and 5 at 2.1m
extra bit 3.15/1.75 is 1.8 but need 3 so 3 at 4.5
stumps
12.25/1.3 is 9.42 is 10+1 is 11 per row 4.4/1.3 is 3.3 round to 4+1 is 5
11x5 rows is 55 and 3x5 is 15
70 stumps at 0.9m
sole plates
70 at 300 long.
70x0.3 is 21m
so 2at 5.1 and 2 at 5.4
joists
12.25/o.45 = 27.22 is 28 +3 is 31
31 at 5.5 and 31 at 0.9 and 11 at 3.3
sheeting
area of floor
6.3 X 12.25 = 77.175
3.15 X 4.4 = 7.55
77.175+7.55 = 84.725m
area of sheet is 4.32m
84.725/4.32 = 19.61 or 20 sheets
