Rate analysis
Providing and laying six courses water proofing treatment with bitumen felt over roofs consisting of first, third and fifth courses of blown or / and residual bitumen applied hot at 1.45, 1.20 and 1.70 kg per square metre of area respectively, second and fourth courses of roofing felt type 2 grade I (fibre base self finished bitumen felt) six and final courses of stone grit 6 mm and down size or pea sized gravel spread at 6 cubic decimeter per sqm including preparation of surface, excluding grading, compete.
DSR rate₹910.85as per item analysis
- Item code
- 22.1
- Sub-head
- SH 22 · WATER PROOFING
- Unit
- See analysis
- Source row
- 418
Cost components
| Code | Description | Unit | Quantity | Rate | Amount |
|---|---|---|---|---|---|
| Details of cost for 30 sqm | |||||
| Blown bitumen applied hot | |||||
| (1.45+1.20+1.70)x30 = 131 kg. | |||||
| 0313 | Blown type petroleum bitumen of penetration 85/25 of approved quality | tonne | 0.131 | ₹38,250.00 | ₹5,010.75 |
| Bitumen felt type B grade I (fibre base self finished bitumen felt) = 60 sqm. + Add for over lapping @ 10% = 6 sqm. Total =66 Sqm | |||||
| 0318 | Bitumen felt fibre base (vegetable or animal):Type 2 grade 1 | sqm | 66 | ₹75.00 | ₹4,950.00 |
| 2211 | Carriage of Tar bitumen | tonne | 0.278 | ₹0.00 | ₹0.00 |
| I/c Hession felt =(0.131 t+2.22x.001x66 = 0.278t) | |||||
| 1177 | Stone grit 6 mm and down size or pea sized gravel | cum | 0.18 | ₹985.00 | ₹177.30 |
| 30x6=180cudm | |||||
| CARRIAGE: | |||||
| 2202 | Carriage of Stone aggregate below 40 mm nominal size | cum | 0.18 | ₹0.00 | ₹0.00 |
| Fuel (Steam coal) = 2 quintals/t of bitumen i.e. 2x0.131=0.262q | |||||
| 0370 | Coal (steam) | quintal | 0.262 | ₹500.00 | ₹131.00 |
| 2200 | Carriage of steam coal | tonne | 0.026 | ₹0.00 | ₹0.00 |
| 9999 | Praparing roof surface, sutting groove and making good etc. | L.S. | 134.55 | ₹2.27 | ₹305.43 |
| LABOUR | |||||
| 0131 | Painter | day | 4.32 | ₹816.00 | ₹3,525.12 |
| 0114 | Beldar | day | 6.48 | ₹736.00 | ₹4,769.28 |
| 0130 | Mistry | day | 0.36 | ₹897.00 | ₹322.92 |
| 9999 | Sundries, brushes etc. | L.S. | 6.76 | ₹2.27 | ₹15.35 |
Rate build-up
| TOTAL | ₹19,207.15 |
| Add 1 % Water charges on "W" | ₹192.07 |
| TOTAL | ₹19,399.22 |
| Add GST on "X" (multiplying factor 0.2127) | ₹4,126.21 |
| TOTAL | ₹23,525.43 |
| Add 15% CPOH on "Y" | ₹3,528.81 |
| TOTAL | ₹27,054.24 |
| Add Cess @ 1% on "Z" | ₹270.54 |
| Cost of 30.00 Sqm. | ₹27,324.78 |
| Cost of 1.00 Sqm. | ₹910.83 |
| Say | ₹910.85 |