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 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
- Item number
- 22.10
- Analysis basis
- Details of cost for 30 sqm
- Priced inputs
- 9
- Derived rate
- ₹910.85 / Sqm
Under the CPWD Delhi Analysis of Rates 2023 (Civil), item 22.10 — 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 — 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 bitumen applied hot
- (1.45+1.20+1.70)x30 = 131 kg.
- Bitumen felt type B grade I (fibre base self
- finished bitumen felt) = 60 sqm. + Add for over
- lapping @ 10% = 6 sqm. Total =66 Sqm
- 30x6=180cudm
- CARRIAGE:
- 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):- Type 2 grade 1Bitumen 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 1854. Reference only — CPWD amends rates through correction slips between editions, so verify against the official source before pricing a bid.
Use this rate in a live estimate
This is the CPWD base analysis. A real estimate adjusts it for the project's inputs and the current cost index, then maps it to the tender's BOQ. Arched reads the tender, maps it to the applicable schedule, and flags where the numbers are exposed before submission.
See how estimation works