Rate analysis
Constructing brick masonry manhole in cement mortar 1:4 ( 1 cement : 4 coarse sand ) with R.C.C. top slab with 1:1.5:3 mix (1 cement : 1.5 coarse sand (zone-III) : 3 graded stone aggregate 20 mm nominal size), foundation concrete 1:4:8 mix (1 cement : 4 coarse sand (zone-III) : 8 graded stone aggregate 40 mm nominal size), inside plastering 12 mm thick with cement mortar 1:3 (1 cement : 3 coarse sand) finished with floating coat of neat cement and making channels 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 complete as per standard design : Inside size 120x90 cm and 90 cm deep including C.I. cover with frame (medium duty) 500 mm internal diameter, total weight of cover and frame to be not less than 116 kg (weight of cover 58 kg and weight of frame 58 kg) :
DSR rate₹26,244.70as per item analysis
With Sewer bricks conforming to IS : 4885
- Item code
- 19.7.2.2
- Sub-head
- SH 19 · DRAINAGE
- Unit
- See analysis
- Source row
- 1167
Cost components
| Code | Description | Unit | Quantity | Rate | Amount |
|---|---|---|---|---|---|
| Details of cost for 1 manhole | |||||
| MATERIAL | |||||
| Cement concrete 1:4:8 (1 cement : 4 coarse sand : 8 graded stone aggregate 40 mm nominal size) | |||||
| 1.81x1.51x0.20 m = 0.547 cum Say 0.55 cum | |||||
| 4.1.8 | Rate as per item no 4.1.8 of SH : Concrete Work | cum | 0.55 | ₹6,812.00 | ₹3,746.60 |
| Brick work with modular extruded brunt fly ash clay sewer bricks (Conforming to IS: 4885 ) in cement mortar 1:4 (1 cement : 4 coarse sand) | |||||
| 5.12x0.23x0.80 m = 0.942 cum | |||||
| Less for pipe 2x3.14x(0.15m)²x0.23m = (-) 0.008 cum | |||||
| = 0.934 cum Say 0.93 cum | |||||
| 6.36.1 | Rate as per item No 6.36.1 of SH : Brick Work | cum | 0.93 | ₹7,197.75 | ₹6,693.91 |
| Cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) for benching | |||||
| 2x1.20x(0.90/2) x (0.30+0.20)/2 = 2.70 cum | |||||
| Less for pipe 1.20x3.14/4x(0.15m)² = (-) 0.021 cum | |||||
| = 0.249 cum say 0.25 | |||||
| 4.1.3 | Rate as per item no. 4.1.3 of SH : Concrete Work | cum | 0.25 | ₹7,878.50 | ₹1,969.63 |
| 12 mm cement plaster 1:3 (1 cement : 3 coarse sand) finished with floating coat of neat cement | |||||
| 4.20mx0.50m = 2.10 sqm | |||||
| 2x½x0.90x0.10m = 0.09sqm | |||||
| = 2.19 sqm | |||||
| 13.9.1 | Rate as per item no 13.9.1 of SH : Finishing | sqm | 2.19 | ₹449.55 | ₹984.51 |
| Reinforced cement concrete 1:1.5:3 (1 cement : 1.5 coarse sand : 3 graded stone aggregate 20 mm nominal size) | |||||
| For slab : 1.66x1.36x0.15m = 0.339 cum | |||||
| Less for cover 0.7854x(0.50)²x0.15m = (-) 0.029 cum | |||||
| = 0.31 cum | |||||
| 5.1.2 | Rate as per item no. 5.1.2 of SH : RCC work | cum | 0.31 | ₹9,045.75 | ₹2,804.18 |
| T.M.T. bars steel reinforcement for R.C.C work of slab | |||||
| 0.31 cum @ 80.09 kg/cum = 24.83 kg | |||||
| 5.22.6 | Rate as per item no. 5.22.6 of SH : RCC work | kg | 24.83 | ₹107.85 | ₹2,677.92 |
| Form work = 1.20x0.90 = 1.08 sqm | |||||
| Less cover = 3.14/4x(0.50)² = (-) 0.196 sqm | |||||
| = 0.884 sqm Say 0.88 sqm | |||||
| 5.9.3 | Rate as per item no 5.9.3 of SH : RCC Work | sqm | 0.88 | ₹927.25 | ₹815.98 |
| LABOUR | |||||
| Extra labour for making channel : | |||||
| 0123 | Mason 1st class | day | 0.08 | ₹897.00 | ₹71.76 |
| 0124 | Mason 2nd class | day | 0.08 | ₹816.00 | ₹65.28 |
| 1356 | 500 mm dia cover with frame (medium duty) | each | 1 | ₹4,400.00 | ₹4,400.00 |
| 9977 | Carriage of C.I. cover & frame | L.S. | 6.76 | ₹2.27 | ₹15.35 |
| 9999 | Painting of C.I. cover & frame with coal tar | L.S. | 6.76 | ₹2.27 | ₹15.35 |
| 9999 | Sundries | L.S. | 16.64 | ₹2.27 | ₹37.77 |
Rate build-up
| TOTAL | ₹24,298.24 |
| Add 1 % Water charges on "W-A" | ₹46.06 |
| TOTAL | ₹24,344.30 |
| Add GST on "X-A" (multiplying factor 0.2127) | ₹989.39 |
| TOTAL | ₹25,333.69 |
| Add 15% CPOH on "Y-A" | ₹846.14 |
| TOTAL | ₹26,179.83 |
| Add Cess @ 1% on "Z-A" | ₹64.87 |
| Cost of each | ₹26,244.70 |
| Say | ₹26,244.70 |