CPWD Analysis of Rates · Drainage
Constructing brick masonry chamber for underground C.I. inspection chamber and bends with bricks in cement mortar 1:4 (1 cement : 4 coarse sand) C.I. cover with frame (light duty) 455x610 mm internal dimensions, total weight of cover with frame to be not less than 38 kg (weight of cover 23 kg and weight of frame 15 kg), R.C.C. top slab with 1:1.5:3 mix (1 cement : 1.5 fine sand : 3 graded stone aggregate 20 mm nominal size), foundation concrete 1:5:10 (1 cement : 5 fine sand : 10 graded stone aggregate 40 mm nominal size), inside plastering 12 mm thick with cement mortar 1:3 (1 cement : 3 coarse sand), finished smooth with a floating coat of neat cement on walls and bed concrete etc. complete as per standard design: Inside dimensions 600x 850 mm and 45 cm deep for pipe line with three or more inlets
With common burnt clay F.P.S. (non modular) bricks of class designation 7.5
- Item number
- 19.30.3.1
- Analysis basis
- Details of cost of one chamber
- Priced inputs
- 10
- Derived rate
- ₹9,594.35
Under the CPWD Delhi Analysis of Rates 2023 (Civil), item 19.30.3.1 — Constructing brick masonry chamber for underground C.I. inspection chamber and bends with bricks in cement mortar 1:4 (1 cement : 4 coarse sand) C.I. cover with frame (light duty) 455x610 mm internal dimensions, total weight of cover with frame to be not less than 38 kg (weight of cover 23 kg and weight of frame 15 kg), R.C.C. top slab with 1:1.5:3 mix (1 cement : 1.5 fine sand : 3 graded stone aggregate 20 mm nominal size), foundation concrete 1:5:10 (1 cement : 5 fine sand : 10 graded stone aggregate 40 mm nominal size), inside plastering 12 mm thick with cement mortar 1:3 (1 cement : 3 coarse sand), finished smooth with a floating coat of neat cement on walls and bed concrete etc. complete as per standard design: Inside dimensions 600x 850 mm and 45 cm deep for pipe line with three or more inlets : With common burnt clay F.P.S. (non modular) bricks of class designation 7.5 — is derived from 10 priced inputs and works out to ₹9,594.35 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)
- 1.46mx1.21mx0.15 m= 0.26 cum
- Brick work in bricks of class designation
- 7.5 in cement mortar 1:4 ( 1 cement : 4
- coarse sand)
- 3.82 m x 0.23m x0.30 m = 0.26 cum
- 5x3.14x(0.10)²x0.23 m = (-) 0.009 cum
- Net Qty= 0.255 cum Say 0.26 cum
- 12 mm cement plaster 1:3 ( 1 cement : 3
- coarse sand) finished with floating coat of
- neat cement
- Wall : 2.90x0.30 m = 0.87 sqm
- Bed : 0.85x0.60 m = 0.51 sqm
- Total= 1.38 sqm
- Net Qty= 1.34 sqm
- R.C.C 1:1.5:3 ( 1 cement : 1.5 coarse
- sand : 3 graded stone aggregate 20 mm
- nominal size)
- 1.31x1.06x0.15 = 0.208 cum
- 0.61x0.455x0.15 m = (-) 0.042 cum
- Net Qty= 0.166 cum Say 0.17 cum
- Form work
- Inside area of chamber : 0.85x0.60 m =
- 0.511 sqm
- Outer periphery 4.50x0.15 m = 0.675
- sqm
- Total= 1.186 sqm
- sqm
- Net Qty= 0.908 sqm Say 0.91 sqm
- T.M.T. bars steel reinforcement for R.C.C
- work of slab
- 0.17 cum @ 48.06 kg/cum
- = 48.06x0.17cum = 8.17 kg
- Less pipe
- Less pipe 5x3.14/4x(0.10)² = (-) 0.04 sqm
- Deduct cover
- Deduct cover : 0.61x0.455 m = (-) 0.278
| Code | Input | Unit | Quantity | Rate (INR) | Amount (INR) |
|---|---|---|---|---|---|
| Rate as per item no 4.1.11 of SH : Concrete WorkRate as per item 4.1.11Sub-analysis | cum | 0.26 | 6,189.65 | 1,609.31 | |
| Rate as per item no 6.1.1 of SH : Brick WorkRate as per item 6.1.1Sub-analysis | cum | 0.26 | 7,370.65 | 1,916.37 | |
| Rate as per item no 13.9.1 of SH : FinishingRate as per item 13.9.1Sub-analysis | sqm | 1.34 | 449.55 | 602.40 | |
| Rate as per item no. 5.1.2 of SH : RCC workRate as per item 5.1.2Sub-analysis | cum | 0.17 | 9,045.75 | 1,537.78 | |
| Rate as per item no 5.9.2 of SH : RCCRate as per item 5.9.2Sub-analysis | sqm | 0.91 | 842.50 | 766.68 | |
| Rate as per item no. 5.22.6 of SH : RCC workRate as per item 5.22.6Sub-analysis | kg | 8.17 | 107.85 | 881.13 | |
| 1354 | Rectangular cover 455x610 mm with frame (low duty)C.I. Rectangular cover 455x610 mm with frame (low duty)Material | each | 1 | 1,540.00 | 1,540.00 |
| 9977 | Carriage of C.I. Cover and frameMaterial | L.S. | 7.15 | 2.27 | 16.23 |
| 9999 | Painting of C.I. Cover and frame with coal tarMaterial | L.S. | 7.15 | 2.27 | 16.23 |
| 9999 | SundriesMaterial | L.S. | 13.52 | 2.27 | 30.69 |
- TOTAL
- 8,916.82
- Add 1 % Water charges on “W-A”
- 16.03
- TOTAL
- 8,932.85
- Add GST on “X-A” (multiplying factor 0.2127)
- 344.40
- TOTAL
- 9,277.25
- Add 15% CPOH on “Y-A”
- 294.54
- TOTAL
- 9,571.79
- Add Cess @ 1% on “Z-A”
- 22.58
- Cost of one chamber
- 9,594.37
- Say
- 9,594.35
From the CPWD Delhi Analysis of Rates 2023 (Civil), Volumes I & II, printed page 1771. Reference only — CPWD amends rates through correction slips between editions, so verify against the official source before pricing a bid.
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