Extra for depth of manholes dismantled
- Item number
- 19.25.4
- Analysis basis
- 0.61 metre
- Priced inputs
- 6
- Derived rate
- ₹2,229.20/ METRE
Under the CPWD Delhi Analysis of Rates 2023 (Civil), item 19.25.4 (Extra for depth of manholes dismantled : Circular manhole 122 cm diameter and beyond 1.68 m depth (up to 2.29 m depth)) is derived from 6 priced inputs for 0.61 metre and works out to ₹2,229.20 per metre after water charges, GST, CPOH and cess. The full build-up is below.
- Dismantling cement concrete 1:3:6 (1
- Cement : 3 coarse sand : 6 graded stone
- aggregate 40mm nominal size)
- 1.98x1.98x0.30 = 1.178 cum. Say 1.18
- cum.
- Dismantling IInd class brick work in
- cement mortar 1:4 (1 Cement : 4 Coarse
- sand)
- Curved on plan
- 3.14x1.45x0.85x0.23 = 0.891
- 3.14x(1.45+0.79)/2x1.32x0.23 = 1.069
- Total = 0.891 + 1.069 = 1.96 cum
- Duduct arch ring and portion of pipe
- 2x1/2x3.14x0.25mx0.23x0.10 m = 0.018
- cum
- 2x3.14/4x(0.15)²x0.23 = 0.008 cum
- Total deduction = 0.026 cum
- Net quantity 1.96-0.026 = 1.934 Say 1.93
- cum
- Qty in arch
- 2x1/2x3.14x0.25 m x0.23x0.10 m
- = 0.018 cum Say 0.02 cum
- Total = 1.93 + 0.02 = 1.97 cum
- Dismantling cemnet concrete 1:2:4 ( 1
- cement : 2 coarse sand : 4 graded 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
- =0.043 cum
- = 0.277 cum
- 0.0216 cum
- Net qty== 0.2554 cum Say 0.26 cum
- For fixing cover : 3.14/4 x d2 x thickness
- 0.7854x1.020x1.020x0.15 m =0.123 cum
- (-)0.037 cum
- Net qty= 0.086 cum Say 0.09 cum
- Total = 0.26 + 0.09 = 0.35 cum
- 1.68m deep
- Less pipe :1.22x3.14/4x(0.15)²(-) =
- Less cover 3.14/4x(0.28)² x 0.15 m : =
- Deduct cost of dismantling manhole
| Code | Type | Input | Unit | Quantity | Rate (INR) | Amount (INR) |
|---|---|---|---|---|---|---|
| SUB | (Rate as per item No.15.2.1 of SH. dismantling and Demolishing)Rate 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 demolishingRate as per item 15.7.4 | cum | 1.97 | 2,060.20 | 4,058.59 | |
| SUB | Rate as per item no 15.2.1 of SH : DismantlingRate as per item 15.2.1 | cum | 0.35 | 2,434.25 | 851.99 | |
| 9999 | MAT | Removal of SFRC cover | L.S. | 7.15 | 2.27 | 16.23 |
| 9999 | MAT | Removal of M.S. foot rests | L.S. | 8.09 | 2.27 | 18.36 |
| SUB | Rate as per Item No.19.24.4 of SH: DRAINAGERate as per item 19.24.4 | each | -1 | 6,472.40 | -6,472.40 |
- TOTAL
- 1,345.19
- Add 1 % Water charges on “W-A”
- +0.35
- TOTAL
- 1,345.54
- Add GST on “X-A” (multiplying factor 0.2127)
- +7.43
- TOTAL
- 1,352.97
- Add 15% CPOH on “Y-A”
- +6.36
- TOTAL
- 1,359.33
- Add Cess @ 1% on “Z-A”
- +0.49
- Cost of manhole 0.61m depth
- 1,359.82
- Cost per metre depth
- 2,229.21
- SAY
- ₹2,229.20
- 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
- 1760
From the CPWD Delhi Analysis of Rates 2023 (Civil), Volumes I & II, printed page 1760. 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
This is the CPWD base analysis. A real estimate adjusts it for the project's inputs and the current cost index, then maps it to the tender's BOQ. We can do this for you: send the tender and we return a priced BOQ on the applicable schedule, with rate build-ups and an engineer's sign-off.