CPWD Analysis of Rates · Water Supply
Disinfecting C.I. water mains by flushing with water containing bleaching powder @ 0.5 gms per litre of water and cleaning the same with fresh water, operation to be repeated three times including getting the sample of water from the disinfected main tested in the municipal laboratory
200 mm diameter C.I. pipe
- Item number
- 18.80.5
- Analysis basis
- Details of cost for 100 metres
- Priced inputs
- 4
- Derived rate
- ₹4,771.60 / metres
Under the CPWD Delhi Analysis of Rates 2023 (Civil), item 18.80.5 — Disinfecting C.I. water mains by flushing with water containing bleaching powder @ 0.5 gms per litre of water and cleaning the same with fresh water, operation to be repeated three times including getting the sample of water from the disinfected main tested in the municipal laboratory 200 mm diameter C.I. pipe — is derived from 4 priced inputs for 100 metres and works out to ₹4,771.60 per metres after water charges, GST, CPOH and cess. The full build-up is below.
- Bleaching powder
- 3x3.14/4x(200/10)²x (100x100)/1000x 0.5
- gms = 4712.39 gms Say 0.047 q
| Code | Input | Unit | Quantity | Rate (INR) | Amount (INR) |
|---|---|---|---|---|---|
| 1301 | Bleaching powderMaterial | quintal | 0.047 | 1,700.00 | 79.90 |
| 0116 | Fitter (grade 1)Labour | day | 1.15 | 897.00 | 1,031.55 |
| 0114 | BeldarLabour | day | 2.95 | 736.00 | 2,171.20 |
| 9999 | Sundries including testing of samplesMaterial | L.S. | 31.46 | 2.27 | 71.41 |
- TOTAL
- 3,354.06
- Add 1 % Water charges on “W”
- 33.54
- TOTAL
- 3,387.60
- Add GST on “X” (multiplying factor 0.2127)
- 720.54
- TOTAL
- 4,108.14
- Add 15% CPOH on “Y”
- 616.22
- TOTAL
- 4,724.36
- Add Cess @ 1% on “Z”
- 47.24
- Cost of 100 metre
- 4,771.60
- Say
- 4,771.60
From the CPWD Delhi Analysis of Rates 2023 (Civil), Volumes I & II, printed page 1570. Reference only — CPWD amends rates through correction slips between editions, so verify against the official source before pricing a bid.
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