Rate analysis
Providing and applying fibre reinforced elastomeric liquid water proofing membrane with resilient acrylic polymers having Sun Reflectivity Index (SRI) of 105 on top of concrete roof in three coats @10.76 litre/ 10 sqm. One coat of self-priming of elastomeric waterproofing liquid (dilution with water in the ratio of 3:1) and two coats of undiluted elastomeric waterproofing liquid (dry film thickness of complete application/system not less than 500 microns). The operation shall be carried out after scrapping and properly cleaning the surface to remove loose particles with wire brushes, complete in all respect as per the direction of Engineer-in-Charge.
DSR rate₹563.10per sqm
- Item code
- 22.22A
- Sub-head
- SH 22 · WATER PROOFING
- Unit
- sqm
- Source row
- 651
Cost components
| Code | Description | Unit | Quantity | Rate | Amount |
|---|---|---|---|---|---|
| Details of cost for 10 Sqm | |||||
| MATERIAL | |||||
| 8511 | Fibre reinforced elastomeric liquid water proofing membrane | litre | 11.3 | ₹255.00 | ₹2,881.50 |
| 10.76 litre + 0.538 (Add wastage 5%) = 11.30 litre | |||||
| 9977 | Carriage of materials | L.S. | 1.43 | ₹2.27 | ₹3.25 |
| LABOUR | |||||
| 0115 | Coolie | day | 0.67 | ₹736.00 | ₹493.12 |
| 0131 | Painter | day | 0.67 | ₹816.00 | ₹546.72 |
| 9999 | Wire brush brushes, rollers etc. | L.S. | 6.76 | ₹2.27 | ₹15.35 |
| 9999 | Sundries | L.S. | 8.06 | ₹2.27 | ₹18.30 |
Rate build-up
| TOTAL | ₹3,958.24 |
| Add 1 % Water charges on "W" | ₹39.58 |
| TOTAL | ₹3,997.82 |
| Add GST on "X" (multiplying factor 0.2127) | ₹850.34 |
| TOTAL | ₹4,848.16 |
| Add 15% CPOH on "Y" | ₹727.22 |
| TOTAL | ₹5,575.38 |
| Add Cess @ 1% on "Z" | ₹55.75 |
| Cost of 10 sqm | ₹5,631.13 |
| Cost of 1 sqm | ₹563.11 |
| Say | ₹563.10 |