Rate analysis
Constructing brick masonry circular manhole 1.52 m internal dia at bottom and 0.56 m dia at top in cement mortar 1:4 (1 cement : 4 coarse sand) inside cement plaster 12 mm thick with cement mortar 1:3 (1 cement : 3 coarse sand) finished with a floating coat of neat cement, foundation concrete 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size) and making necessary channel in cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) finished with a floating coat of neat cement, all complete as per standard design : 2.30 m deep with SFRC Cover and frame (heavy duty HD- 20 grade designation) 560 mm internal diameter conforming to I.S. 12592, total weight of cover and frame to be not less than 182 kg. fixed in cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) including centering, shuttering all complete. (Excavation, foot rests and 12 mm thick cement plaster at the external surface shall be paid for separately) :
DSR rate₹52,266.80as per item analysis
With Sewer bricks conforming IS : 4885
- Item code
- 19.13.1.2
- Sub-head
- SH 19 · DRAINAGE
- Unit
- See analysis
- Source row
- 1879
Cost components
| Code | Description | Unit | Quantity | Rate | Amount |
|---|---|---|---|---|---|
| Details of cost for 1 manhole | |||||
| MATERIAL | |||||
| Cement concrete 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size) | |||||
| 2.74x2.74x0.30 m = 2.25 cum | |||||
| 4.1.6 | Rate as per item no 4.1.6 of SH : Concrete Work | cum | 2.25 | ₹7,178.75 | ₹16,152.19 |
| Brick work with bricks modular extruded brunt fly ash clay sewer bricks in cement mortar 1:4 (1 cement : 4 coarse sand) | |||||
| Curved on plan | |||||
| 3.14x1.98x0.25x0.46 = 0.716 cum | |||||
| 3.14x(1.98+0.905)/2x0.345x1.93 = 3.019 cum | |||||
| Total= 3.735 cum | |||||
| Duduct arch ring and portion of pipe | |||||
| 2x½x3.14x0.25mx0.46x0.10 m = 0.036 cum | |||||
| 2x3.14/4x(0.15)²x0.460 = 0.016 cum | |||||
| Total= 0.052 cum | |||||
| Net quantity 3.735-0.052 = 3.683 cum | |||||
| 6.36.1 | Rate as per item No 6.36.1 of SH : Brick Work | cum | 3.68 | ₹7,197.75 | ₹26,487.72 |
| Brick work in arches with modular extruded brunt fly ash clay sewer bricks in cement mortar 1:3 ( 1 cement : 3 fine sand ) | |||||
| 2x1/2x3.14x0.25 m x0.460x0.10 m = 0.036 cum Say 0.04 cum | |||||
| 6.37 | Rate as per item No 6.37 of SH : Brick Work | cum | 0.04 | ₹13,427.30 | ₹537.09 |
| Cement concrete 1:2:4(1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size ) | |||||
| For benching : | |||||
| 3.14/4x(1.52)²x0.20 = 0.363 cum | |||||
| [(2x8.133)/360]x(4/3)x3.14x(0.76)³ =0.083 cum | |||||
| Total= 0.446 cum | |||||
| Less pipe :1.52x3.14/4x(0.15)²(-) = 0.027 cum | |||||
| = 0.419 cum Say 0.42 cum | |||||
| 4.1.3 | Rate as per item no. 4.1.3 of SH : concrete | cum | 0.42 | ₹7,878.50 | ₹3,308.97 |
| Cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) | |||||
| For fixing cover : 3.14/4 x d² x thickness | |||||
| 3.14/4x(1.020)²x0.15 m =0.123 cum | |||||
| Less cover 3.14/4x(0.28)² x 0.15 m : = (-) 0.037 cum | |||||
| Net Quantity= 0.086 cum Say 0.09 cum | |||||
| 4.1.3 | Rate as per item no. 4.1.3 of SH : Concrete Work | cum | 0.09 | ₹7,878.50 | ₹709.07 |
| 12 mm cement plaster 1:3 (1 cement : 3 coarse sand) finished with floating coat of neat cement | |||||
| 3.14x(1.454+0.56)/2x1.799 = 5.694 sqm | |||||
| 3.14x0.56x0.075 = 0.13 sqm | |||||
| Benching | |||||
| 3.14x(1.454)²/4-1.454x0.15+1.454x1/2x | |||||
| 3.14x0.15 =1.786 sqm | |||||
| Total= 7.61 sqm | |||||
| 13.9.1 | Rate as per item no 13.9.1 of SH : Finishing | sqm | 7.61 | ₹449.55 | ₹3,421.08 |
| LABOUR | |||||
| Extra labour for making channel : | |||||
| 0123 | Mason 1st class | day | 0.1 | ₹897.00 | ₹89.70 |
| 0124 | Mason 2nd class | day | 0.1 | ₹816.00 | ₹81.60 |
| S.F.R.C cover | |||||
| 7135 | Circular shape 560 mm dia precast R.C.C. manhole cover with frame - H.D. - 20 | each | 1 | ₹935.00 | ₹935.00 |
| 9977 | CARRIAGE | L.S. | 6.89 | ₹2.27 | ₹15.64 |
| 9999 | Sundries | L.S. | 16.9 | ₹2.27 | ₹38.36 |
Rate build-up
| Say 3.68 cum | — |
| TOTAL | ₹51,776.42 |
| Add 1 % Water charges on "W-A" | ₹11.60 |
| TOTAL | ₹51,788.02 |
| Add GST on "X-A" (multiplying factor 0.2127) | ₹249.26 |
| TOTAL | ₹52,037.28 |
| Add 15% CPOH on "Y-A" | ₹213.17 |
| TOTAL | ₹52,250.45 |
| Add Cess @ 1% on "Z-A" | ₹16.34 |
| Cost of one manhole | ₹52,266.79 |
| Say | ₹52,266.80 |