Rate analysis
Providing and laying bitumen mastic wearing course (as per specifications) with industrial bitumen of grade 85/25 conforming to IS : 702, prepared by using mastic cooker and laid to required level and slope, including providing antiskid surface with bitumen precoated fine grained hard stone chipping of approved size at the rate of 0.005 cum per 10 sqm and at approximate spacing of 10 cm centre to centre in both directions, pressed into surface protruding 1 mm to 4 mm over mastic surface, including cleaning the surface, removal of debris etc. all complete. (Considering bitumen using 10.2% as per MORTH specification).
DSR rate₹1,365.50per sqm
40 mm thick
- Item code
- 16.37.2
- Sub-head
- SH 16 · ROAD WORK
- Unit
- sqm
- Source row
- 2087
Cost components
| Code | Description | Unit | Quantity | Rate | Amount |
|---|---|---|---|---|---|
| Details of cost for surface area of 108.75sqm for single layer of 40 mm finished thickness. | |||||
| MATERIAL | |||||
| Taking wearing coat as 10 tonne and density as 2.3 gm/c.c Volume of bitumen mastic = 10000/2300= 4.35 cum surface area = 4.35/0.040 = 108.75 sqm. | |||||
| 0313 | Blown type petroleum bitumen of penetration 85/25 of approved quality @ 10.2% by weight of mix | tonne | 1.02 | ₹38,250.00 | ₹39,015.00 |
| 2211 | Carriage of Tar bitumen | tonne | 1.02 | ₹0.00 | ₹0.00 |
| (ii) Weight of coarse aggregate @ 40% | |||||
| 10x(1000 - 150) x 40/100 = 3400 kg. | |||||
| Stone aggregate : (3400/43.38)x0.0283 = 2.22 cum. | |||||
| 0295 | Stone Aggregate (Single size) : 20 mm nominal size | cum | 0.2 | ₹1,425.00 | ₹285.00 |
| 0296 | Stone Aggregate (Single size) : 12.5 mm nominal size | cum | 2.02 | ₹1,400.00 | ₹2,828.00 |
| (iii) Weight of fine aggregate @ 15% = 10x850 x15/100 = 1275 kg., volume of fine aggregate: (1275/43.103)x0.0283 =0.83 cum | |||||
| 1159 | Stone dust | cum | 0.83 | ₹1,100.00 | ₹913.00 |
| (iv) Weight of lime stone dust @ 45% = 10x(850-340-127.5) = 3825 kg., Volume of lime stone dust 3825/2200 =1.74 cum. | |||||
| 0784 | Marble dust/ powder | cum | 1.74 | ₹1,180.00 | ₹2,053.20 |
| (v) Precoated stone chipping for surface finish: Volume of chips @ 0.005 cum/10 sqm=108.75x0.005/10 = 0.054 cum | |||||
| 0297 | Stone Aggregate (Single size) : 10 mm nominal size | cum | 0.054 | ₹1,400.00 | ₹75.60 |
| Bitumen for precoated stone chipping @ 2%=0.054x1600x2/100= 1.7 kg say 2 kg | |||||
| 0313 | Blown type petroleum bitumen of penetration 85/25 of approved quality | tonne | 0.002 | ₹38,250.00 | ₹76.50 |
| 2211 | Carriage of Tar bitumen | tonne | 0.002 | ₹0.00 | ₹0.00 |
| 2202 | Carriage of Stone aggregate below 40 mm nominal size | cum | 2.274 | ₹0.00 | ₹0.00 |
| 2.02+0.20 + 0.054 =2.274 cum | |||||
| 2267 | Carriage of Stone dust | cum | 0.83 | ₹0.00 | ₹0.00 |
| 2208 | Carriage of Lime | cum | 1.74 | ₹0.00 | ₹0.00 |
| for mastic cooker (Taking capacity of cooker as one tonne) | |||||
| LABOUR | |||||
| 0139 | Skilled Beldar (for floor rubbing etc.) | day | 15 | ₹816.00 | ₹12,240.00 |
| 0130 | Mistry | day | 5 | ₹897.00 | ₹4,485.00 |
| 0138 | Sprayer (for bitumen, tar etc.) | day | 35 | ₹816.00 | ₹28,560.00 |
| 0139 | Skilled Beldar (for floor rubbing etc.) | day | 2.5 | ₹816.00 | ₹2,040.00 |
| 0128 | Mate | day | 5 | ₹816.00 | ₹4,080.00 |
| 0016 | Mastic Cooker | day | 5 | ₹850.00 | ₹4,250.00 |
| 9999 | sundries (Sealing of joints, placing angles, wastage materials) | L.S. | 1,532.7 | ₹2.27 | ₹3,479.23 |
Rate build-up
| TOTAL | ₹1,04,380.53 |
| Add 1 % Water charges on "W" | ₹1,043.81 |
| TOTAL | ₹1,05,424.34 |
| Add GST on "X" (multiplying factor 0.2127) | ₹22,423.76 |
| TOTAL | ₹1,27,848.10 |
| Add 15% CPOH on "Y" | ₹19,177.22 |
| TOTAL | ₹1,47,025.32 |
| Add Cess @ 1% on "Z" | ₹1,470.25 |
| Cost for 108.75 sqm | ₹1,48,495.57 |
| Cost per sqm | ₹1,365.48 |
| Say | ₹1,365.50 |