CPWD Analysis of Rates · Conservation of Heritage Buildings
Applying two or more coat of Ethyl Silicate chemical as approved by Archaeological Survey of India/ Engineer-in-charge, of approved brand and manufacturer, with brush or spray on the existing stone masonry surface till there is no further absorption of chemical by stone surface, including protecting the applied surface from direct sunlight by suitable means during application, all complete as per direction of the Engineer-in-Charge (The rate is inclusive of all materials & labours involved except scaffolding)
- Item number
- 24.7
- Analysis basis
- Detail of cost for 5 sqm
- Priced inputs
- 4
- Derived rate
- ₹329.05 / sqm
Under the CPWD Delhi Analysis of Rates 2023 (Civil), item 24.7 — Applying two or more coat of Ethyl Silicate chemical as approved by Archaeological Survey of India/ Engineer-in-charge, of approved brand and manufacturer, with brush or spray on the existing stone masonry surface till there is no further absorption of chemical by stone surface, including protecting the applied surface from direct sunlight by suitable means during application, all complete as per direction of the Engineer-in-Charge (The rate is inclusive of all materials & labours involved except scaffolding) — is derived from 4 priced inputs for 5 sqm and works out to ₹329.05 per sqm after water charges, GST, CPOH and cess. The full build-up is below.
| Code | Input | Unit | Quantity | Rate (INR) | Amount (INR) |
|---|---|---|---|---|---|
| 7769 | Stone surface strengthening chemical approved by ASIMaterial | litre | 1 | 910.00 | 910.00 |
| 0131 | PainterLabour | day | 0.15 | 816.00 | 122.40 |
| 0114 | BeldarLabour | day | 0.15 | 736.00 | 110.40 |
| 9999 | SundriesMaterial | L.S. | 6 | 2.27 | 13.62 |
- TOTAL
- 1,156.42
- Add 1 % Water charges on “W”
- 11.56
- TOTAL
- 1,167.98
- Add GST on “X” (multiplying factor 0.2127)
- 248.43
- TOTAL
- 1,416.41
- Add 15% CPOH on “Y”
- 212.46
- TOTAL
- 1,628.87
- Add Cess @ 1% on “Z”
- 16.29
- Cost of 5.00 sqm
- 1,645.16
- Cost of 1.00 sqm
- 329.03
- Say
- 329.05
From the CPWD Delhi Analysis of Rates 2023 (Civil), Volumes I & II, printed page 1893. 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.
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