CPWD Analysis of Rates · Roofing
Providing and fixing precoated galvanised steel sheet roofing accessories of total coated thickness 0.50mm (base metal of minimum 0.45mm thickness with total coating thickness of 0.05mm) with Zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns using self drilling/ self tapping screws complete
Ridges plain (500 - 600mm)
- Item number
- 12.51.1
- Analysis basis
- Detail of cost for 20.20 metre
- Priced inputs
- 6
- Derived rate
- ₹532.35 / metre
Under the CPWD Delhi Analysis of Rates 2023 (Civil), item 12.51.1 — Providing and fixing precoated galvanised steel sheet roofing accessories of total coated thickness 0.50mm (base metal of minimum 0.45mm thickness with total coating thickness of 0.05mm) with Zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns using self drilling/ self tapping screws complete : Ridges plain (500 - 600mm) — is derived from 6 priced inputs for 20.20 metre and works out to ₹532.35 per metre after water charges, GST, CPOH and cess. The full build-up is below.
- One piece plain ridges
- Consider a shed of 20x10m (external dimensions at plinth).
- Length of ridges 20.2 metre + 5% wastage =
- 23.11 metre.
| Code | Input | Unit | Quantity | Rate (INR) | Amount (INR) |
|---|---|---|---|---|---|
| 8672 | Precoated galvanised steel plain ridges 0.50 mm TCT and 500 -600 mm widePrecoated galvanised steel plain ridges 0.50 mm TCT and 500-600 mm wideMaterial | metre | 23.11 | 248.00 | 5,731.28 |
| 9977 | Carriage (The ridge is to be fixed with the same hooks as the Sheets)Material | L.S. | 13.52 | 2.27 | 30.69 |
| 9999 | SundriesMaterial | L.S. | 6.76 | 2.27 | 15.35 |
| 0130 | MistryLabour | day | 0.14 | 897.00 | 125.58 |
| 0112 | Carpenter 2nd classLabour | day | 0.55 | 816.00 | 448.80 |
| 0114 | BeldarLabour | day | 1.64 | 736.00 | 1,207.04 |
- TOTAL
- 7,558.74
- Add 1 % Water charges on “W”
- 75.59
- TOTAL
- 7,634.33
- Add GST on “X” (multiplying factor 0.2127)
- 1,623.82
- TOTAL
- 9,258.15
- Add 15% CPOH on “Y”
- 1,388.72
- TOTAL
- 10,646.87
- Add Cess @ 1% on “Z”
- 106.47
- Cost of 20.20 metre
- 10,753.34
- Cost of 1.00 metre
- 532.34
- Say
- 532.35
From the CPWD Delhi Analysis of Rates 2023 (Civil), Volumes I & II, printed page 913. 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