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24.9 Providing compacted water bound macadam base course with graded material of crushed well burnt, picked jhama or first class bricks and bats (50 mm downgraded brick chips having LAA value not exceeding 40%) including supplying of 12 mm downgraded chips made of same quality bricks, having compacted thickness made as per specifications including local handling and spreading uniformly to proper grade, camber and super elevation, hand packing watering,dry rolling followed by wet rolling in layers of specified thickness with 8 to 10 ton capacity power driven road roller to attain minimum soaked CBR of 80% or design CBR at minimum degree of compaction of 98% of MDD (Modified Proctor), including supplying and blinding with sand (F.M. 0.80) @ 0.012 m3 per sqm or as required etc. all complete as per direction of of the Engineer-in-charge. After adequate dry rolling, spreading of sand on the surface, sprinkling of water and rolling is to be continued untill all the voids are filled. thickness of each layer should not be more than 100 mm loose and payment will be made on compacted thickness.

Consider 1 cum (35.315 cft) of work

SL Item Name Quantity Unit Item Rate (Taka) Item Unit Unit Price (Taka) Sub Total (Taka)
1 1st class/Picked jhama standard bricks Cost of materials : Brick 380 nos 10000 per % 0 nos 10 3800
2 Breaking of 50 mm down brick chips Breaking 50mm downgraded brickchips 38.5 cft 870 per % cft 8.7 334.95
3 Breaking of 12 mm (1/2") down brick chips Breaking 12mm downgraded brickchips 5 cft 1220 per % cft 12.2 61
4 Head mason / Mosaic head mistry Labour charges: Head Mason 0.002 no 800 per day 800 1.6
5 Skilled labour Skilled labour 0.2 no 600 per day 600 120
6 Ordinary labour Ordinary labour 0.45 no 550 per day 550 247.5
7 Hire charge of 8 - 12 ton road roller Equipment Charges: Hire charge of 8 ton to 12 ton road roller (two steel drum roller) 0.022 day 6050 per day 6050 133.1
8 Hire charge of water tanker (truck mounted) Hire Charge of Water Tanker (Truck Mounted) 0.018 day 3200 per day 3200 57.6
9 Diesel Diesel 0.15 liter 68 litre 68 10.2
10 Lubricants Lubricants 0.01 liter 220 per litre 220 2.2
Sub-Total 4768.15
Contractor's Profit 10% 0.1 476.81
Contractor's Overhead Expenses 3.5% 0.035 166.89
Total 5411.85
Add VAT with adjustment factor. 1.08108 7.5% 0.075 438.8
Grand Total 5850.65
Rate per cft 165.68
Rate per cum 5850.99
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