CPWD Analysis of Rates · Roofing
Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-Charge) 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. Sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 12 metre or as desired by Engineer-in-charge. The sheet shall be fixed using self drilling /self tapping screws of size (5.5x 55 mm) with EPDM seal, complete upto any pitch in horizontal/ vertical or curved surfaces, excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required
- Item number
- 12.50
- Analysis basis
- Details of cost of 216.14 sqm.
- Priced inputs
- 10
- Derived rate
- ₹738.65 / sqm
Under the CPWD Delhi Analysis of Rates 2023 (Civil), item 12.50 — Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-Charge) 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. Sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 12 metre or as desired by Engineer-in-charge. The sheet shall be fixed using self drilling /self tapping screws of size (5.5x 55 mm) with EPDM seal, complete upto any pitch in horizontal/ vertical or curved surfaces, excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required — is derived from 10 priced inputs and works out to ₹738.65 per sqm after water charges, GST, CPOH and cess. The full build-up is below.
- Consider a shed of 20x10 metres. (External
- dimensions of plinth).
- Area of roof20.2x10.70m = 216.14 sqm.
- Sheets used = 20 nos.x10.70mx1.06m =
- 226.84sqm
- Total = 233.65sqm.
- Add 3% wastage = 6.81
| Code | Input | Unit | Quantity | Rate (INR) | Amount (INR) |
|---|---|---|---|---|---|
| 8671 | Precoated galvanised iron profile sheet 0.50 mm TCTMaterial | sqm | 233.65 | 380.00 | 88,787.00 |
| 9977 | Carriage of sheetsMaterial | L.S. | 104 | 2.27 | 236.08 |
| 1023 | Galvanised steel J or L hooks 8 mm diaMaterial | 10 Nos | 47.6 | 130.00 | 6,188.00 |
| 1208 | Bitumen washerMaterial | 100 Nos | 4.76 | 30.00 | 142.80 |
| 1209 | G.I. plain washer thickMaterial | 100 Nos | 4.76 | 35.00 | 166.60 |
| 9977 | Carriage of bolts and nuts, washers etc.Material | L.S. | 8.06 | 2.27 | 18.30 |
| 9999 | SundriesMaterial | L.S. | 39.52 | 2.27 | 89.71 |
| 0130 | MistryLabour | day | 2.34 | 897.00 | 2,098.98 |
| 0112 | Carpenter 2nd classLabour | day | 9.34 | 816.00 | 7,621.44 |
| 0114 | BeldarLabour | day | 9.34 | 736.00 | 6,874.24 |
- TOTAL
- 1,12,223.15
- Add 1 % Water charges on “W”
- 1,122.23
- TOTAL
- 1,13,345.38
- Add GST on “X” (multiplying factor 0.2127)
- 24,108.56
- TOTAL
- 1,37,453.94
- Add 15% CPOH on “Y”
- 20,618.09
- TOTAL
- 1,58,072.03
- Add Cess @ 1% on “Z”
- 1,580.72
- Cost of 216.14 sqm.
- 1,59,652.75
- Cost of 1.00 sqm.
- 738.65
- Say
- 738.65
From the CPWD Delhi Analysis of Rates 2023 (Civil), Volumes I & II, printed page 912. 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