CPWD Analysis of Rates · Roofing
Providing valleys of 90 cm wide overall in plain G.S. sheet fixed with polymer coated J, or L hooks, bolts and nuts 8 mm dia G.I. limpet and bitumen washers complete
1.60 mm thick with zinc coating not less than 350 gm/m²
- Item number
- 12.5.1
- Analysis basis
- Details of cost for 9.325m
- Priced inputs
- 10
- Derived rate
- ₹1,863.90 / metre
Under the CPWD Delhi Analysis of Rates 2023 (Civil), item 12.5.1 — Providing valleys of 90 cm wide overall in plain G.S. sheet fixed with polymer coated J, or L hooks, bolts and nuts 8 mm dia G.I. limpet and bitumen washers complete : 1.60 mm thick with zinc coating not less than 350 gm/m² — is derived from 10 priced inputs and works out to ₹1,863.90 per metre after water charges, GST, CPOH and cess. The full build-up is below.
- G.I. plain sheets 2.5x0.9m
- 4 nos. @ 29.95Kg/sheet =119.80Kg.+
- Total = 122.20 kg. or 1.222q.
- 25mmx6mm (There are 14 joints)
- Add 2% wastage = 2.40Kg.
| Code | Input | Unit | Quantity | Rate (INR) | Amount (INR) |
|---|---|---|---|---|---|
| 0992 | Galvanised steel plain sheetsMaterial | quintal | 1.222 | 6,800.00 | 8,309.60 |
| 0222 | Seam bolts and nuts 6 mm dia and 25 mm longMaterial | 10 Nos | 1.2 | 11.00 | 13.20 |
| 1211 | G.I. plain washer for seam boltsMaterial | 100 Nos | 0.12 | 32.00 | 3.84 |
| 1208 | Bitumen washerMaterial | 100 Nos | 0.12 | 30.00 | 3.60 |
| 9977 | Carriage of bolts, nuts and washersMaterial | L.S. | 0.91 | 2.27 | 2.07 |
| 9999 | SundriesMaterial | L.S. | 13.52 | 2.27 | 30.69 |
| 0130 | MistryLabour | day | 0.4 | 897.00 | 358.80 |
| 0102 | Blacksmith 1st classLabour | day | 1.2 | 897.00 | 1,076.40 |
| 0103 | Blacksmith 2nd classLabour | day | 0.8 | 816.00 | 652.80 |
| 0114 | BeldarLabour | day | 2.4 | 736.00 | 1,766.40 |
- TOTAL
- 12,217.40
- Add 1 % Water charges on “W”
- 122.17
- TOTAL
- 12,339.57
- Add GST on “X” (multiplying factor 0.2127)
- 2,624.63
- TOTAL
- 14,964.20
- Add 15% CPOH on “Y”
- 2,244.63
- TOTAL
- 17,208.83
- Add Cess @ 1% on “Z”
- 172.09
- Cost of 9.325 metres
- 17,380.92
- Cost of 1.00 metre
- 1,863.91
- Say
- 1,863.90
From the CPWD Delhi Analysis of Rates 2023 (Civil), Volumes I & II, printed page 859. Reference only — CPWD amends rates through correction slips between editions, so verify against the official source before pricing a bid.
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