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 course of blown bitumen 85/25 or 90/15 conforming to IS : 702 applied hot @ 1.45, 1.20 and 1.45 Kg per square metre of area respectively, second and fourth courses of roofing felt type 3 grade I conforming to IS : 1322 (Hessian based self finished bitumen felt) , 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
- 22.9
- Analysis basis
- Detail of cost for 30 sqm
- Priced inputs
- 9
- Derived rate
- ₹806.45 / Sqm
Under the CPWD Delhi Analysis of Rates 2023 (Civil), item 22.9 — Providing and laying six courses water proofing treatment with bitumen felt over roofs consisting of first, third and fifth course of blown bitumen 85/25 or 90/15 conforming to IS : 702 applied hot @ 1.45, 1.20 and 1.45 Kg per square metre of area respectively, second and fourth courses of roofing felt type 3 grade I conforming to IS : 1322 (Hessian based self finished bitumen felt) , 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 ₹806.45 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+1.45)x30=123kg
- Bitumen felt Type 3 grade 1 (hessian base self
- finished bitumen felt) = 60 sqm.+ Add for over
- lapping @ 10% = 6 sqm. Total =66 Sqm
- 30x6=180cudm
- = 2 quintals/t of bitumen i.e. 2x0.123=0.246q
| Code | Input | Unit | Quantity | Rate (INR) | Amount (INR) |
|---|---|---|---|---|---|
| 0313 | Blown type petroleum bitumen of penetration 85/25 of approved qualityMaterial | tonne | 0.123 | 38,250.00 | 4,704.75 |
| 0322 | Bitumen felt :Type 3 grade 1Material | sqm | 66 | 80.00 | 5,280.00 |
| 1177 | Stone grit 6 mm and down size or pea sized gravelMaterial | cum | 0.18 | 985.00 | 177.30 |
| 0370 | Coal (steam)Material | quintal | 0.246 | 500.00 | 123.00 |
| 9999 | Praparing roof surface, sutting groove and making good etcMaterial | L.S. | 134.55 | 2.27 | 305.43 |
| 0131 | PainterLabour | day | 3.24 | 816.00 | 2,643.84 |
| 0114 | BeldarLabour | day | 4.86 | 736.00 | 3,576.96 |
| 0130 | MistryLabour | day | 0.2 | 897.00 | 179.40 |
| 9999 | Sundries, brushes etc.Material | L.S. | 6.76 | 2.27 | 15.35 |
- TOTAL
- 17,006.03
- Add 1 % Water charges on “W”
- 170.06
- TOTAL
- 17,176.09
- Add GST on “X” (multiplying factor 0.2127)
- 3,653.35
- TOTAL
- 20,829.44
- Add 15% CPOH on “Y”
- 3,124.42
- TOTAL
- 23,953.86
- Add Cess @ 1% on “Z”
- 239.54
- Cost of 30.00 Sqm.
- 24,193.40
- Cost of 1.00 Sqm.
- 806.45
- Say
- 806.45
From the CPWD Delhi Analysis of Rates 2023 (Civil), Volumes I & II, printed page 1853. Reference only — CPWD amends rates through correction slips between editions, so verify against the official source before pricing a bid.
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