Contents 2 1 3 AY: 2020-21 Professional Practices and Valuation (2170610)
Materials required for 20mm thick external plaster Let’s assume that the plaster is in double coat, with 1 st coat 12mm thick in proportion (1:4) and 2 nd coat 8mm thick in proportion (1:2). Assume the total quantity of plaster . Materials required for 1 st coat (12mm thick): AY: 2020-21 Professional Practices and Valuation (2170610) 1
s Materials required for 2 nd coat (8mm thick): AY: 2020-21 Professional Practices and Valuation (2170610) 2
Labor required for both coats The following labor is required for mixing, applying mortar on the wall, smoothening, finishing…etc. AY: 2020-21 Professional Practices and Valuation (2170610) 3 Labor Number Job Mason 2 Smoothening, finishing Male coolie 1 Mixing mortar Female coolie 1 Carrying mortar Bhistie 0.5 Surface preparation and applying mortar on wall
Calculation Table Particulars Quantity/Number Rate Rs. Per Amount Rs. Materials: Cement Sand Sundries Labor: Mason Male coolie Female coolie Bhistie Scaffolding Sundries 1.5 0.15 2 1 1 0.5 300 800 600 300 300 300 Bag Meter cube Day Day Day Day Lump sum 450 120 20 --------------- 590 1200 300 300 150 60 20 ---------------- 2030 AY: 2020-21 Professional Practices and Valuation (2170610) 4
s Final Calculations: Material cost 590 Labor cost 2030 ----------- 2620 Add 1.5% water charges and 20% contractor’s profit Final Amnount Rate per meter square AY: 2020-21 Professional Practices and Valuation (2170610) 5
a Thank You AY: 2020-21 Professional Practices and Valuation (2170610) 6
References Websites: https://nptel.ac.in/ Books: Estimation Costing and Valuation by S C Rangwala AY: 2020-21 Professional Practices and Valuation (2170610) 7