CPWD Analysis of Rates · Drainage
Raising manhole cover and frame slab to required level including dismantling existing slab and making good the damage as required (Raising depth of manhole to be paid separately)
Rectangular manhole 120x90 cm with circular cover 560 mm dia of grade HD - 20
- Item number
- 19.26.3
- Analysis basis
- Details of cost for one manhole
- Priced inputs
- 5
- Derived rate
- ₹3,881.50 / one manhole
Under the CPWD Delhi Analysis of Rates 2023 (Civil), item 19.26.3 — Raising manhole cover and frame slab to required level including dismantling existing slab and making good the damage as required (Raising depth of manhole to be paid separately) : Rectangular manhole 120x90 cm with circular cover 560 mm dia of grade HD - 20 — is derived from 5 priced inputs for one manhole and works out to ₹3,881.50 per one manhole after water charges, GST, CPOH and cess. The full build-up is below.
- Dismantling of R.C.C slab of 1:1.5:3 (1
- cement : 1.5 coarse sand : 3 aggregate
- stone 20 mm nominal size)
- 1.66x1.36x0.15 = 0.339 cum
- 3.14/4x(0.90)²x0.15 =(-) 0.095 cum
- Net qty 0.244 cum Say 0.24 cum
- R.C.C work 1:1.5:3 ( 1 cement : 1.5
- coarse sand : 3 graded stone aggregate
- 20 mm nominal size )
- 1.66x1.36x0.15 = 0.339 cum
- 3.14/4x0.90x0.90x0.15 =(-) 0.095 cum
- Net qty= 0.244 cum Say 0.24 cum
- Form work = 1.2x0.90 = 1.08 sqm
- sqm
- Net qty= 0.834 sqm Say .83 sqm
- Less for R.C.C cover with frame
- Less portion cover with frame =
- Less cover = 3.14/4x(0.56)² =(-) 0.246
| Code | Input | Unit | Quantity | Rate (INR) | Amount (INR) |
|---|---|---|---|---|---|
| Rate as per item no 15.3 of SH : Dismantling and demolishingRate as per item 15.3Sub-analysis | cum | 0.24 | 3,551.25 | 852.30 | |
| 9999 | Removal of R.C.C cover and frameMaterial | L.S. | 7.15 | 2.27 | 16.23 |
| Rate as per item no. 5.1.2 of SH : RCC workRate as per item 5.1.2Sub-analysis | cum | 0.24 | 9,045.75 | 2,170.98 | |
| Rate as per item no 5.9.3 of SH : RCC workRate as per item 5.9.3Sub-analysis | sqm | 0.83 | 927.25 | 769.62 | |
| 9999 | SundriesMaterial | L.S. | 20.28 | 2.27 | 46.04 |
- TOTAL
- 3,855.17
- Add 1 % Water charges on “W-A”
- 0.62
- TOTAL
- 3,855.79
- Add GST on “X-A” (multiplying factor 0.2127)
- 13.38
- TOTAL
- 3,869.17
- Add 15% CPOH on “Y-A”
- 11.44
- TOTAL
- 3,880.61
- Add Cess @ 1% on “Z-A”
- 0.88
- Cost of one no
- 3,881.49
- Say
- 3,881.50
From the CPWD Delhi Analysis of Rates 2023 (Civil), Volumes I & II, printed page 1763. Reference only — CPWD amends rates through correction slips between editions, so verify against the official source before pricing a bid.
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