1. How much is your product worth?
Materials Cost
Labour Cost
Electricity Cost
Profit

2. How much is your product worth?
Materials Cost
GI sheeting
10m
Weld electrodes 4m
Nails
Steel pipework 5m
Paint 9m
concrete

3. Pipe
Cost (rupees/m)
0.5’ 26
1.5’ 66 2’ 82
2.5’ 98 3’
164
Total Length 3’ Pipe = ( x ) + ( x ) 5m 6 4m 6
+ ( x ) 9m 3 =
81m
Total Cost 3’ Pipe = x
81m
164 Rs/m =
13284 Rs
Roof Compression – 3’
10m
Total Length 1.5’ Pipe = x 7m 3 =
21m 4m
Total Cost 1.5’ Pipe = x
21m
66 Rs/m =
1386 Rs 7m 5m 9m
Total Cost =
13284 Rs
1386 Rs
Posts – 3’ =
14670 Rs
Roof Tension – 1.5’
Purlins – 3’

4. Required Dry Volume = x
1.4m3
1.65 =
2.31m3
Material
Cost
Cement
200 Rs./kg
Sand
245 Rs./m3
Gravel
81 Rs./m3
Volume cement = x
1/10
2.31m3 =
0.231m3
Bags Cement = /
0.231m3
0.0332m3/50kg bag cement =
7 bags
10m
Cost cement = x
200Rs.
7 bags 4m =
1400Rs.
Volume sand = x
3/10
2.31m3 =
0.69m3 7m 5m
Cost sand =
169Rs. 9m
Volume gravel = x
6/10
2.31m3 =
1.39m3
Concrete Mix – 1:3:6
Volume: 1.4m3
Cost gravel =
113Rs.
Total Cost =
1682Rs.

5. Material
Cost (rupees/m2) GI
270
Plastic GI
431
Total Roof Area = x x 4m
10m 2 =
80m2
Total Cost Roof = x
80m2
270 Rs/m2 =
21600 Rs
GI Sheeting
Total Cost =
10m
37952 Rs. 4m 7m 5m 9m