CPWD Analysis of Rates · Water Proofing
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 II (glass fibre base self finished bitumen felt) and sixth and final course of stone grit 6 mm and down size or pea sized gravel spread at 6 cubic decimeter per sqm including preparation of surface but excluding grading, complete
- Item number
- 22.11
- Analysis basis
- Detail of cost for 30 sqm
- Priced inputs
- 9
- Derived rate
- ₹910.85 / Sqm
Under the CPWD Delhi Analysis of Rates 2023 (Civil), item 22.11 — 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 II (glass fibre base self finished bitumen felt) and sixth and final course of stone grit 6 mm and down size or pea sized gravel spread at 6 cubic decimeter per sqm including preparation of surface but excluding grading, complete — is derived from 9 priced inputs for 30 sqm and works out to ₹910.85 per sqm after water charges, GST, CPOH and cess. The full build-up is below.
- Blown or / and residual bitumen applied hot
- (1.45+1.20+1.70)x30 =131 kg.
- Bitumen felt as per IS 7193 Grade II (fibre base
- self finished bitumen felt) = 60 sqm. + Add for
- over lapping @ 10% = 6 sqm. Total =66 Sqm
- 30x6=180cudm
- Fuel (Steam coal) = 2 quintals/t of bitumen
- i.e. 2x0.131=0.262q
- Fuel (Steam coal) = 2 quintals/t of bitumen
- i.e. 2x0.131=0.262q
| Code | Input | Unit | Quantity | Rate (INR) | Amount (INR) |
|---|---|---|---|---|---|
| 0313 | Blown type petroleum bitumen of penetration 85/25 of approved qualityMaterial | tonne | 0.131 | 38,250.00 | 5,010.75 |
| 0318 | Bitumen felt fibre base (vegetable or animal):As per IS 7193 Grade IMaterial | sqm | 66 | 75.00 | 4,950.00 |
| 1177 | Stone grit 6 mm and down size or pea sized gravelMaterial | cum | 0.18 | 985.00 | 177.30 |
| 0370 | Coal (steam)Material | quintal | 0.262 | 500.00 | 131.00 |
| 9999 | Praparing roof surface, sutting groove and making good etcMaterial | L.S. | 134.55 | 2.27 | 305.43 |
| 0131 | PainterLabour | day | 4.32 | 816.00 | 3,525.12 |
| 0114 | BeldarLabour | day | 6.48 | 736.00 | 4,769.28 |
| 0130 | MistryLabour | day | 0.36 | 897.00 | 322.92 |
| 9999 | Sundries, brushes etc.Material | L.S. | 6.76 | 2.27 | 15.35 |
- 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
From the CPWD Delhi Analysis of Rates 2023 (Civil), Volumes I & II, printed page 1855. Reference only — CPWD amends rates through correction slips between editions, so verify against the official source before pricing a bid.
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