CPWD Analysis of Rates · Drainage
Making connection of drain or sewer line with existing manhole including breaking into and making good the walls, floors with cement concrete 1:2:4 mix (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) cement plastered on both sides with cement mortar 1:3 (1 cement : 3 coarse sand), finished with a floating coat of neat cement and making necessary channels for the drain etc. complete
For pipes 100 to 250 mm diameter
- Item number
- 19.21.1
- Analysis basis
- Details of cost for one connection
- Priced inputs
- 6
- Derived rate
- ₹810.45 / one connection
Under the CPWD Delhi Analysis of Rates 2023 (Civil), item 19.21.1 — Making connection of drain or sewer line with existing manhole including breaking into and making good the walls, floors with cement concrete 1:2:4 mix (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) cement plastered on both sides with cement mortar 1:3 (1 cement : 3 coarse sand), finished with a floating coat of neat cement and making necessary channels for the drain etc. complete : For pipes 100 to 250 mm diameter — is derived from 6 priced inputs for one connection and works out to ₹810.45 per one connection after water charges, GST, CPOH and cess. The full build-up is below.
- cement concrete 1:2:4 mix (1 cement : 2
- coarse sand : 4 graded stone aggregate
- 20 mm nominal size)
- = 0.30x0.30x0.23 m = 0.0207 cum
- 0.0096 cum
- = 0.0111 cum Say 0.01 cum
- 12 mm cement plater 1:3 ( 1 cement : 3
- coarse sand ) finished with a floating coat
- of neat cement
- 2x0.35x0.35 =0.25sqm
- (For cutting holes average size 30x30 cm in
- 23 cm thick wall and making channel etc.)
- Less pipe = 1/2x3.14x0.23x0.23x0.23 =
| Code | Input | Unit | Quantity | Rate (INR) | Amount (INR) |
|---|---|---|---|---|---|
| Rate as per item no. 4.1.3 of SH : ConcreteRate as per item 4.1.3Sub-analysis | cum | 0.01 | 7,878.50 | 78.79 | |
| Rate as per item no 13.9.1 of SH : FinishingRate as per item 13.9.1Sub-analysis | sqm | 0.25 | 449.55 | 112.39 | |
| 0123 | Mason 1st classMason 1st classLabour | day | 0.12 | 897.00 | 107.64 |
| 0124 | Mason 2nd classMason 2nd classLabour | day | 0.12 | 816.00 | 97.92 |
| 0114 | BeldarLabour | day | 0.25 | 736.00 | 184.00 |
| 9999 | Add for delay sundries etc.Material | L.S. | 20.15 | 2.27 | 45.74 |
- TOTAL
- 626.48
- Add 1 % Water charges on “W-A”
- 4.35
- TOTAL
- 630.83
- Add GST on “X-A” (multiplying factor 0.2127)
- 93.51
- TOTAL
- 724.34
- Add 15% CPOH on “Y-A”
- 79.97
- TOTAL
- 804.31
- Add Cess @ 1% on “Z-A”
- 6.13
- Cost for 1 connection
- 810.44
- Say
- 810.45
From the CPWD Delhi Analysis of Rates 2023 (Civil), Volumes I & II, printed page 1747. Reference only — CPWD amends rates through correction slips between editions, so verify against the official source before pricing a bid.
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