CPWD Analysis of Rates · Drainage
Providing and fixing square-mouth S.W. gully trap class SP-1 complete with C.I. grating brick masonry chamber with water tight C.I. cover with frame of 300 x300 mm size (inside) the weight of cover to be not less than 4.50 kg and frame to be not less than 2.70 kg as per standard design: 180x150 mm size P type
With Sewer bricks conforming to IS : 4885
- Item number
- 19.4.3.2
- Analysis basis
- Details of cost of one gully tarp
- Priced inputs
- 8
- Derived rate
- ₹2,779.65
Under the CPWD Delhi Analysis of Rates 2023 (Civil), item 19.4.3.2 — Providing and fixing square-mouth S.W. gully trap class SP-1 complete with C.I. grating brick masonry chamber with water tight C.I. cover with frame of 300 x300 mm size (inside) the weight of cover to be not less than 4.50 kg and frame to be not less than 2.70 kg as per standard design: 180x150 mm size P type With Sewer bricks conforming to IS : 4885 — is derived from 8 priced inputs and works out to ₹2,779.65 after water charges, GST, CPOH and cess. The full build-up is below.
- Cement concrete 1:5:10 ( 1 cement : 5
- fine sand : 10 graded stone aggregate 40
- mm nominal size)
- 0.68x0.68x0.10 m = 0.046 cum
- Concrete around trap
- 0.30x0.30x0.675 m = 0.061 cum
- Total=0.107 cum
- 0.155÷3x[0.09+0.032+(0.09x0.032)1/2] =
- 0.008 cum
- 3.14/4x(0.182)²x0.70 =0.018 cum
- Total= 0.026 cum
- Net quantity 0.107 cum (-) 0.026 cum =
- 0.081 cum say 0.08 cum
- Brick work with sewer bricks conforming to IS:4885 in cement mortar 1:4 (1
- cement : 4 coarse sand)
- 1.66x0.115x0.675 m = 0.129 cum say
- 0.13 cum
- Cement concrete 1:2:4 ( 1 cement : 2
- coarse sand : 4 graded stone aggregate
- 20 mm nominal size)
- 1.66x0.115x0.04 m =0.008 cum
- 12 mm cement plaster 1:3 (1 cement : 3
- coarse sand) finished with floating coat of
- neat cement :
- [1/2x0.166x(1.20+0.72)] = 0.159 sqm
- say0.16 sqm
- Deduct:
| Code | Input | Unit | Quantity | Rate (INR) | Amount (INR) |
|---|---|---|---|---|---|
| 1904 | S.W. gully trap P type 180x150 mmMaterial | each | 1 | 253.00 | 253.00 |
| 1367 | C.I. grating 180x180 mmMaterial | each | 1 | 65.00 | 65.00 |
| 1352 | C.I. cover and frame 300x300 mm insideMaterial | each | 1 | 525.00 | 525.00 |
| 9977 | Carriage of materialsMaterial | L.S. | 4.5 | 2.27 | 10.22 |
| Rate as per item no 4.1.11 of SH : Concrete WorkRate as per item 4.1.11Sub-analysis | cum | 0.08 | 6,189.65 | 495.17 | |
| Rate as per item No 6.36.1 of SH : Brick WorkRate as per item 6.36.1Sub-analysis | cum | 0.13 | 7,197.75 | 935.71 | |
| Rate as per item no 4.1.3 of SH : Concrete WorkRate as per item 4.1.3Sub-analysis | cum | 0.008 | 7,878.50 | 63.03 | |
| Rate as per item no 13.9.1 of SH : FinishingRate as per item 13.9.1Sub-analysis | sqm | 0.16 | 449.55 | 71.93 |
- TOTAL
- 2,419.06
- Add 1 % Water charges on “W-A”
- 8.53
- TOTAL
- 2,427.59
- Add GST on “X-A” (multiplying factor 0.2127)
- 183.29
- TOTAL
- 2,610.88
- Add 15% CPOH on “Y-A”
- 156.76
- TOTAL
- 2,767.64
- Add Cess @ 1% on “Z-A”
- 12.02
- Cost of each
- 2,779.66
- Say
- 2,779.65
From the CPWD Delhi Analysis of Rates 2023 (Civil), Volumes I & II, printed page 1703. Reference only — CPWD amends rates through correction slips between editions, so verify against the official source before pricing a bid.
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