Assume the following data in Table Q3 for your computation: 1 Materials 1.1 Cost of G25...

 

 

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Assume the following data in Table Q3 for your computation: 1 Materials 1.1 Cost of G25 concrete Waste 1.2 2 Labour 2.1 2.2 2.3 3 Plant 3.1 3.2 4 Mark-ups 4.1 Overheads and profit Spread & level Vibration & compaction All-in labour rate Pump rate Pump rental Remarks $180/m³ 5% 0.3mh/m³ 0.1mh/m³ $40/mh 15m³/hr $120/hr 10% Table Q3 (a) Using the data below, determine the build-up rate (in cost/m2) for a 150 mm thick Grade 25 concrete floor slab. (The formwork and reinforcement shall be measured separately). (14 marks) (b) Discuss the difficulties in building up the rate. (6 marks) Assume the following data in Table Q3 for your computation: 1 Materials 1.1 Cost of G25 concrete Waste 1.2 2 Labour 2.1 2.2 2.3 3 Plant 3.1 3.2 4 Mark-ups 4.1 Overheads and profit Spread & level Vibration & compaction All-in labour rate Pump rate Pump rental Remarks $180/m³ 5% 0.3mh/m³ 0.1mh/m³ $40/mh 15m³/hr $120/hr 10% Table Q3 (a) Using the data below, determine the build-up rate (in cost/m2) for a 150 mm thick Grade 25 concrete floor slab. (The formwork and reinforcement shall be measured separately). (14 marks) (b) Discuss the difficulties in building up the rate. (6 marks)