Rate analysis
Providing and laying four courses water proofing treatment with bitumen felt over roofs consisting of first and third courses of blown bitumen 85/25 or 90/15 conforming to IS : 702 applied hot @ 1.45 Kg per square metre of area for each course, second course of roofing felt type 3 grade-I (hessian based self finished bitumen felt) and fourth and final course of stone grit 6 mm and down size or pea sized gravel spread at 6 cubic decimeter per square metre, including preparation of surface but excluding grading complete with :
DSR rate₹515.05as per item analysis
Bitumen felt (hessian base) type 3 grade I conforming to IS : 1322
- Item code
- 22.8.1
- Sub-head
- SH 22 · WATER PROOFING
- Unit
- See analysis
- Source row
- 350
Cost components
| Code | Description | Unit | Quantity | Rate | Amount |
|---|---|---|---|---|---|
| Detail of cost for 30 sqm | |||||
| Blown or / and residual bitumen applied hot = 2x1.45x30 = 87 kg | |||||
| 0313 | Blown type petroleum bitumen of penetration 85/25 of approved quality | tonne | 0.087 | ₹38,250.00 | ₹3,327.75 |
| Hession felt type 3 Grade I (hessian base self finished bitumen felt) = 30sqm + Add for over lapping @ 10% = 3 sqm. Total = 33 Sqm | |||||
| 0322 | Bitumen felt :Type 3 grade 1 | sqm | 33 | ₹80.00 | ₹2,640.00 |
| 1177 | Stone grit 6 mm and down size or pea sized gravel | cum | 0.18 | ₹985.00 | ₹177.30 |
| 30x6=180 cudm | |||||
| 2202 | Carriage of Stone aggregate below 40 mm nominal size | cum | 0.18 | ₹0.00 | ₹0.00 |
| 2211 | Carriage of Tar bitumen | tonne | 0.176 | ₹0.00 | ₹0.00 |
| I/c Hession felt =0.087t+2.7x0.001x33=0.176t | |||||
| 0370 | Coal (steam) | quintal | 0.174 | ₹500.00 | ₹87.00 |
| = 2 quintals/t of bitumen i.e. 2x0.087 =0.174q | |||||
| 2200 | Carriage of steam coal | tonne | 0.017 | ₹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 | 2.16 | ₹816.00 | ₹1,762.56 |
| 0114 | Beldar | day | 3.24 | ₹736.00 | ₹2,384.64 |
| 0130 | Mistry | day | 0.18 | ₹897.00 | ₹161.46 |
| 9999 | Sundries, brushes etc. | L.S. | 6.76 | ₹2.27 | ₹15.35 |
Rate build-up
| TOTAL | ₹10,861.49 |
| Add 1 % Water charges on "W" | ₹108.61 |
| TOTAL | ₹10,970.10 |
| Add GST on "X" (multiplying factor 0.2127) | ₹2,333.34 |
| TOTAL | ₹13,303.44 |
| Add 15% CPOH on "Y" | ₹1,995.52 |
| TOTAL | ₹15,298.96 |
| Add Cess @ 1% on "Z" | ₹152.99 |
| Cost of 30.00 Sqm. | ₹15,451.95 |
| Cost of 1.00 Sqm. | ₹515.07 |
| Say | ₹515.05 |