Dismantling of manhole including R.C.C. top slab, C.I. cover with frame, including stacking of useful materials near the site and disposal of unserviceable materials within 50 m lead as per direction of Engineer-in-charge
- Item number
- 19.24.4
- Analysis basis
- Details of cost of a manhole 1.22 m inter-
- Priced inputs
- 5
- Derived rate
- ₹6,472.40
Under the CPWD Delhi Analysis of Rates 2023 (Civil), item 19.24.4 (Dismantling of manhole including R.C.C. top slab, C.I. cover with frame, including stacking of useful materials near the site and disposal of unserviceable materials within 50 m lead as per direction of Engineer-in-charge: Circular manhole 122 cm diameter and 1.68 m deep) is derived from 5 priced inputs and works out to ₹6,472.40 after water charges, GST, CPOH and cess. The full build-up is below.
- nal diameter 1.68 m deep
- Dismantling of cement concrete 1:3:6 (1
- cement : 3 coarse sand : 6 aggregate
- stone 40 mm nominal size)
- 1.98x1.98x0.30 m = 1.178 cum Say 1.18
- cum
- Dismantling of second class brick work in
- cement mortar 1:4 (1 cement : 4 coarse
- sand)
- Curved on plan
- 3.14x1.45x0.24x0.23 = 0.251
- 3.14x(1.45+0.79)/2x1.32x0.23 = 1.069
- = 1.320
- Duduct arch ring and portion of pipe
- 2x½x3.14x0.25mx0.23x0.10 m = 0.018
- cum
- 2x3.14/4x(0.15)²x0.23 = 0.008 cum
- = 0.026 cum
- Net quantity 1.320-0.026 = 1.294 Say
- 1.29 cum
- Brick work in arches
- 2x1/2x3.14x0.25 m x0.230x0.10 m
- = 0.018 cum Say 0.02 cum
- Total = 1.294+0.02 = 1.1.314 cum. Say
- 1.131 cum
- Dismantaling cement concrete 1:2:4
- (1 cement : 2 coarse sand : 4 gradeed
- stone aggregate 20 mm nominal size)
- For benching :
- 3.14/4x(1.22)²x0.20 = 0.234 cum
- [(2x8.133)/360]x(4/3)x3.14x(0.61)³
- Total =0.043 cum
- 0.024 + 0.043 = 0.277 cum
- 0.0216 cum
- Net Qty. = 0.277 - 0.0216 = 0.26 cum
- In cover fixing 0.7854x1.020x1.020x0.15
- m =0.123 cum
- (-) 0.037 cum
- = 0.086 cum Say 0.09 cum
- Total = 0.26 + 0.09 = 0.35 cum
- Less pipe :1.22x3.14/4x(0.15)² = (-)
- Less cover 3.14/4x(0.28)² x 0.15 m : =
| Code | Type | Input | Unit | Quantity | Rate (INR) | Amount (INR) |
|---|---|---|---|---|---|---|
| SUB | Rate as per item no 15.2.1 of SH : DismantlingRate as per item 15.2.1 | cum | 1.18 | 2,434.25 | 2,872.42 | |
| SUB | Rate as per item no. 15.7.4 of SH :dismantling and dimolishingRate as per item 15.7.4 | cum | 1.31 | 2,060.20 | 2,698.86 | |
| SUB | Rate as per item no 15.2.1 of SH : Demolishing and dismantlingRate as per item 15.2.1 | cum | 0.35 | 2,434.25 | 851.99 | |
| 9999 | MAT | Removal of S.F.R.C cover with frame size 560 mm diameter (medium duty) | L.S. | 7.15 | 2.27 | 16.23 |
| 9999 | MAT | Removal of M.S. foot rests | L.S. | 8.06 | 2.27 | 18.30 |
- TOTAL
- 6,457.80
- Add 1 % Water charges on “W-A”
- +0.35
- TOTAL
- 6,458.15
- Add GST on “X-A” (multiplying factor 0.2127)
- +7.42
- TOTAL
- 6,465.57
- Add 15% CPOH on “Y-A”
- +6.35
- TOTAL
- 6,471.92
- Add Cess @ 1% on “Z-A”
- +0.49
- Cost of one no
- 6,472.41
- SAY
- ₹6,472.40
- PUBLISHED BY
- Central Public Works Department (CPWD)
- EDITION
- DAR 2023 · Delhi
- EFFECTIVE
- 2023-09-14Both volumes are dated 14 September 2023 on their title pages.
- RETRIEVED
- 2026-09-08
- GST
- 18%, added in each item's build-up
- PRINTED PAGE
- 1757
From the CPWD Delhi Analysis of Rates 2023 (Civil), Volumes I & II, printed page 1757. For reference only. CPWD amends rates through correction slips between editions, so verify against the official source before pricing a bid.
Use this rate in a live estimate
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