1)Materials Cost 2)Labour Cost 3)Electricity Cost 4)Profit

1)Materials Cost 10m 4m 9m 5m concrete Steel pipework Nails Weld electrodes GI sheeting Paint

PipeCost (rupees/m) 0.5’26 1.5’66 2’82 2.5’98 3’164 10m 4m 9m 5m Roof Tension – 1.5’ Roof Compression – 3’ Posts – 3’ Total Length 3’ Pipe = ( x ) + ( x )5m 4m 6 6 = 81m Purlins – 3’ + ( x ) 9m 3 Total Length 1.5’ Pipe = x7m 3 = 21m Total Cost 3’ Pipe = x 81m 164 Rs/m = Rs Total Cost 1.5’ Pipe = x 21m 66 Rs/m = 1386 Rs Total Cost = Rs 1386 Rs = Rs

10m 4m 9m 5m MaterialCost Cement200 Rs./kg Sand245 Rs./m 3 Gravel81 Rs./m 3 Concrete Mix – 1:3:6 Volume: 1.4m 3 Volume cement = x 1/10 = 7m Required Dry Volume = x 1.65 = Bags Cement = / = 7 bags Volume sand = x = 1.4m 3 Volume gravel = x 2.31m m m 3 /50kg bag cement 2.31m 3 3/10 6/ m m m 3 = Cost cement = x 7 bags 200Rs. = 1400Rs. Cost sand = 169Rs. Cost gravel = 113Rs. Total Cost = 1682Rs.

MaterialCost (rupees/m 2 ) GI270 Plastic GI431 10m 4m 9m 5m GI Sheeting Total Roof Area = x x 4m 10m 2 = 80m 2 7m Total Cost Roof = x 270 Rs/m 2 = Rs 80m 2 Total Cost = Rs.

1)Materials 2)Electricity 3)Labour Project Planning Can see when tasks need to be done – saves time Can see who needs to do each task – people always occupied, not bored Can predict and keep track of costs

Time Cost Quality Why things go wrong: Assumptions Bad Planning Bad Communication Wrong leadership Unrealistic timescale No clear aim