WBPWRD/AE/BHTHSD/eNIT06/26-27

Water Bound Macadam 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 8-10 tonnes 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 (Reference to MoRT&H's specification 404). By Manual Means Grading-2 (Table 400-9) Using Screening (Table 400-10) Type-B (11.2 mm aggregate)

Prime Coat Providing and applying primer coat with cationic bitumen emulsion SS1 grade (Packed) conforming to IS:8887 on prepared porous granular surface including clearing of road surface and spraying primer using mechanical means (Reference to MORT&H's specification clause 502). On WMM/WBM surface Using of Cationic Bitumen Emulsion @0.85kg/Sq.m.).

Repairing Pot-holes with Bituminous Macadam (Grading - II, for compacted thickness of upto 75mm) Filling Pot Holes with Bituminous Macadam using Mobile Hot Mix plant (6-10 TPH) with approved crushed aggregates of specified grading premixed with bituminous binder @3.4% by wt. of the total mix, transported to site and laid in the pot hole prepared before hand by cutting the edges to get a firm vertical face and by removing all the failed and loose materials including dust and applying tack coat evenly on the sides and on the surface as per specification, rolling the filled depression with 8-10 tonne smooth wheeled roller to achieve the desired compaction, including the cost and carriage of stone aggregates and bitumen, hire charges of machinery and equipment, cost of fuel and lubricants and wages of all operational staff, quality control except the cost of tack coat complete as per direction of Engineer-in-charge. Payment to be made on the basis of the loose net volume of the stone aggregates used in the work.including cost of tack coat. (Materials required per cum :- 20mm size @0.07m3, 13.2mm size @0.33m3, 5.6mm size @0.65m3, 2.36mm size @0.21m3, 300micron size @0.08m3, 75 micron size @0.08m3, bitumen @75Kg /m3)

Open -Graded Premix Surfacing Providing, laying and rolling of open - graded premix surfacing of 20 mm thickness composed of 13.2mm to 5.6 mm aggregates either using viscosity grade bitumen of approved grade 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 tandem or other approved type roller 8-10 tonne capacity, finished to required level and grades (Reference to MORT&H's specification clause 510).[ including cost of tack coat].

Seal Coat Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels,grade and cross fall using. Type B seal coats (Reference to MORT&H's specification clause 511) Type B seal coat (Materials required per sqm: 2.36mm to 90 micron size @0.006m3 & bitumen @0.68kg). Case-II : Type B Providing and laying of premix sand seal coat with HMP using approved crushed stone chipping and viscosity grade paving bitumen of suitable apaproved grade.

Clearing and Grubbing Road Land Clearing and grubbing road land including uprooting rank vegetation,grass, bushes, shrubs, saplings and trees girth up to 300 mm, removal of stumps of trees cut earlier and disposal of unserviceable materials and stacking of serviceable material to be used or auctioned, up to a lead of 1000 metres including removal and disposal of top organic soil not exceeding 150 mm in thickness. (Reference to MoRT&H's specification clause 201). By Manuaal Means In area of thorny jungle.

GST @ 18% over Sl. No. 1 to 4