Name of Work:Impt. Of IVR from NH-150 to Tingkai Khunou via Irengbam and Imol.
Sl. No.
Item Description
1
Excavation in soil with Dozer with lead upto 1000 metres ( Excavation for roadway in soil by mechanical means including cutting and transporting the earth to site of embankment/dumping area with lead upto 1000 metres including trimming bottom and side slopes in accordance with requirements of lines, grades and cross sections. )
2
Surface dressing of the ground including removing vegetation and in-equalities not exceeding 15 cm deep and disposal of rubbish, lead upto 50 m and lift upto 1.5 m.
3
Scarifying the existing granular road surface to a depth of 50 mm and disposal of scarified material within all lifts and leads upto 1000 meters. (ii) Mechanical Means using Hydraulic excavator
4
Providing, laying & compacting granular base/sub-base with naturally occurring sand gravel material freefrom organic ore other deleterious constituents spreading with Motor Grader and compacted by rolling with power roller of 8 - 10 capacity in layers not exceeding 150 mm (spread thickness).
5
Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with 3 wheeled steel/ vibratory roller in stages to proper grade and camber, applying and brooming requisite type of screening/ binding Materials to fill up the interstices of coarse aggregate, watering and compacting to the required density. A).By Manual Means (ii) Grading-II,a) Using Screening Crushable type such as Moorum or Gravel
6
i). Gradding-I
7
ii). Gradding-II
8
Providing, laying and rolling of open - graded premix surfacing of 20 mm thickness composed of 13.2 mm to 5.6 mm aggregates using Viscocity grade bitumen to required line, grade and level to serve as wearing course on a previously prepared base, including mixing in a suitable plant, laying and rolling with a smooth wheeled roller 8-10 tonne capacity, finished to required level and grades including Providing and applying primer coat with bitumen emulsion on prepared surface of granular Base including clearing of road surface and spraying primer at the rate of 0.70 kg/sqm using mechanical means and including seal coat of Type BOver WBM
9
Providing and applying primer coat with bitumen emulsion using emulsion pressure distributor at the rate of 0.20 kg per sqm on prepared bituminous/granular surface cleaned with mechanical broom.
10
Bituminous Concrete (Providing and laying bituminous concrete with higher capacity batch type hot mix plant using crushed aggregates of specified grading, premixed with bituminous binder @ 5.2 per cent of mix and filler, transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per MORTH specification clause No. 507 complete in all respects (i) for Grading-I ( 13 mm nominal size ) a). VG-30 (30 mm thick)
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