Name of Work:-Repairing asphalt approach road near Dolwal Dam @ Kolad.
Sl. No.
Item Description
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Item No. 1:- Picking the road surface including sectioning etc. complete (BT surface.).
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Item No. 2:-Providing and applying tack coat on the prepared surface heating by fames in Boiler and spraying bitumen with sprayer on Dry / Hungry B.T. surface 3 kg/10 sqm. (VG-30 bulk bitumen rates are considered to arrive at rates) .
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Item No 3:- Providing, laying and compacting of built-up-spray grout layer 75 mm thick over prepared base consisting of two layers composite construction of compacted crushed coarse aggregates with application of bituminous binder of VG-30 Grade @ 1.520 Kg/ Sqm after each layer, ( i.e 1.520x2=3.04 say 3.00 Kg/Sqm) and with key aggregates placed on top of the second layer and compacting with static roller 8 to 10 MT. Excluding cost of tack coat and scarifying etc. Complete. (VG-30 bulk bitumen rates are considered to arrive at rates) .
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Item No 4:- Open Graded Premix Surfacing- Providing and Laying OGC 20 mm thickness composed of 13.2 mm to 5.6 mm aggregates premixed with bituminous binder transported to site with VTS , laid over a previously prepared surface, finished to the required grade, level, alignment, and rolling to achieve the desired compaction but excluding prime / tack and Seal coat. For Bitumen of specified grade--USING Batch mix type hot mix plant with SCADA, Paver and Vibratory roller( over BT Surface) (VG-30 bulk bitumen rates are considered to arrive at rates)
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Item No. 5:Providing bituminous Type A liquid seal coat on bituminous surface including supplying all materials and bitumen of VG-30 grade preparing existing road surface, heating and applying bitumen @ 0.98 KgSqm. by mechanical means, spreading chips and rolling, by static roller having weight 8 to 10 MT. etc. complete.(VG-30bulkbitumenrates are considered to arrive at rates) .
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Item No 6: Supplying hard murum/ Kankar on the roadside including conveying and stacking etc. complate. .
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Item No 7: Spreding graval/hard murum / Kankar on the road formation/ side width etc. complete. .
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Item No 8: Compacting the hard murum side with layer wise on each side with vibratory roller including artifitial watering etc. complete. .
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