Rate analysis
Providing sand cast iron drop connection externally for 60 cm drop from branch sewer line to main sewer manhole including inspection and cleaning eye with chain and lid, sand cast iron drop pipe and bend encased all-round with cement concrete 1:5:10 (1 cement : 5 fine sand : 10 graded stone aggregate 40 mm nominal size) with all centering and shuttering required, cutting holes in walls and making good with brick work in cement mortar 1:4 (1 cement : 4 coarse sand) plastered with cement mortar 1:3 (1 cement : 3 coarse sand) on inside of the manhole wall, lead caulked joints between sand cast iron pipes and fittings, stiff cement mortar 1:1 (1 cement : 1 fine sand) joints between sand cast iron tee and S.W. pipe, making required channels complete as per standard design and specifications :
DSR rate₹16,577.80as per item analysis
150 mm dia sand cast iron drop connection
- Item code
- 19.22.2
- Sub-head
- SH 19 · DRAINAGE
- Unit
- See analysis
- Source row
- 2511
Cost components
| Code | Description | Unit | Quantity | Rate | Amount |
|---|---|---|---|---|---|
| Details of cost for one drop connection | |||||
| MATERIAL | |||||
| 1618 | S.C.I. soil, waste and vent single socketed pipe 1.80 metres long: 150mm dia | each | 0.556 | ₹1,800.00 | ₹1,000.80 |
| = 34.5+30+37 =101.5cm say 1.00 m | |||||
| Length of pipe = 1m. Hence, Qty = 1.00 / 1.8 =0.556 Nos | |||||
| 9977 | Carriage of pipe | L.S. | 1.82 | ₹2.27 | ₹4.13 |
| Cutting charges | |||||
| 18.83.4 | Rate as per item no 18.83.4 of SH Water Supply | each cut | 3 | ₹365.70 | ₹1,097.10 |
| 1337 | Clearing eye with chain and lid 150 mm dia | each | 1 | ₹60.00 | ₹60.00 |
| 1622 | S.C.I. plain bend 150 mm dia | each | 1 | ₹500.00 | ₹500.00 |
| 7087 | S.C.I. Tee 150 mm | each | 1 | ₹621.00 | ₹621.00 |
| Brick work in cement mortar 1:4 (1 cement : 4 coarse sand) | |||||
| 0.20x0.20x0.23 = 0.009 cum | |||||
| Less pipe 1/2x3.14x0.15x0.15x0.23 = 0.004 cum | |||||
| Net Qty= 0.005 cum | |||||
| 6.1.1 | Rate as per item no 6.1.1 of SH : Brick Work | cum | 0.005 | ₹7,370.65 | ₹36.85 |
| Cement concrete 1:5:10 (1 cement : 5 fine sand : 10 graded stone aggregate 40 mm nominal size) | |||||
| 0.45x0.50x1.15 m = 0.259 cum | |||||
| 0.45x0.25x0.45 = 0.0510 cum | |||||
| = 0.310 cum | |||||
| Less pipe portion | |||||
| 1/4x3.14x0.15x0.15x1.50 = 0.027 cum | |||||
| Toothing portion | |||||
| 3x0.45x0.05x0.10 m = 0.004 cum | |||||
| = 0.027 + 0.004 = 0.031 cum | |||||
| Net Qty 0.310-0.031 = 0.279 cum. Say 0.28 cum | |||||
| 4.1.11 | Rate as per item no 4.1.11 of SH : Concrete | cum | 0.28 | ₹6,189.65 | ₹1,733.10 |
| 12 mm cement plaster 1:3 (1 cement : 3 coarse sand) finished with floating coat of neat cement | |||||
| 1x0.25x0.25 m = 0.0625 Say 0.06 sqm | |||||
| 13.9.1 | Rate as per item no 13.9.1 of SH : Finishing | sqm | 0.06 | ₹449.55 | ₹26.97 |
| Providing lead caulked joints to 150 mm diameter pipe and special | |||||
| 12.39.2 | Rate as per item no. 12.39.2 of SH : Roofing | each | 4 | ₹798.00 | ₹3,192.00 |
| 9999 | Providing joint to S.W. pipe with cement mortar 1:1 (1 cement : 1 fine sand) | L.S. | 39.91 | ₹2.27 | ₹90.60 |
| Form work | |||||
| 1.450x1.15 m = 1.67 sqm | |||||
| 5.9.2 | Rate as per item no 5.9.2 of SH : RCC | sqm | 1.67 | ₹842.50 | ₹1,406.98 |
| 9988 | Sundries including carriage of bends etc. | L.S. | 34.06 | ₹2.27 | ₹77.32 |
| LABOUR | |||||
| For cutting holes 45 holes 5 cm deep toothing in alternate course of brick work benching and making channel | |||||
| 0123 | Mason 1st class | day | 0.85 | ₹897.00 | ₹762.45 |
| 0124 | Mason 2nd class | day | 0.85 | ₹816.00 | ₹693.60 |
| 0114 | Beldar | day | 3.5 | ₹736.00 | ₹2,576.00 |
Rate build-up
| TOTAL | ₹13,878.90 |
| Add 1 % Water charges on "W-A" | ₹63.86 |
| TOTAL | ₹13,942.76 |
| Add GST on "X-A" (multiplying factor 0.2127) | ₹1,371.86 |
| TOTAL | ₹15,314.62 |
| Add 15% CPOH on "Y-A" | ₹1,173.24 |
| TOTAL | ₹16,487.86 |
| Add Cess @ 1% on "Z-A" | ₹89.95 |
| Cost of one drop connection | ₹16,577.81 |
| Say | ₹16,577.80 |