CWE/CHD-12/2026-27 SPECIAL REPAIR TO ROADS AT K AREA, HALLOMAJRA AND PROVN OF NEW ROAD OF APPROX 600 MTR LENGTH AT HALLOMAJRA TRANSIT CAMP UNDER GE CHANDIGARH

M&L for Surface excavation not exceeding 30 cm deep and averaging 15 cm deep and getting out in soft/ loose soil complete all as specified and as directed by Engineer-in-Charge.

Excavation over areas, not exceeding 1.5 m deep and getting out in soft/ loose soil complete all as specified and as directed by Engineer-in-Charge.

Excavation in trenches not exceeding 1.5 metre wide and not exceeding 1.5 metre in depth for foundation, well, cesspits, man holes etc. and getting out in soft/ loose soil complete all as specified and as directed by Engineer-in-Charge.

Removing excavated material not exceeding 50 metre and depositing where directed at a level not exceeding 1.5 metre above the starting point complete all as specified and as directed by Engineer-in-Charge.

M&L for rolling and consolidating formation surfaces in cutting using power roller of capacity exceeding 8 Tonne and not exceeding 12 Tonne including watering as necessary and consolidating to the required level, gradient or camber, keeping roller wheels wet, if required, filling in hollows and depressions complete all as specified and as directed by Engineer-in-Charge.

M&L for supplying, laying and compacting 150 mm thick (compacted thickness) Granular Sub Base (GSB) grading as per Grade-II as specified Table 400-1 of MoRT&H specification of road and Bridge works 2013, in a single layer over compacted subgrade with natural sand, crushed gravel, crushed stone, crushed slag or combination thereof as per grading required. The materials shall be mechanically mixed, spread and levelled on the subgrade by using motor grader of adequate capacity and rolling with vibratory roller of capacity 80-100 KN static weight for achieving required compaction density of atleast 98% of the Max dry density, consolidating to required gradient and camber complete all as specified and directed the finished surface tolerances to be as per Table 900-1 of MoRT&H specifications for Road and Bridge works 2013 complete all as specified and as directed by Engineer-in-Charge.

M&L for Laying and compacting 225 mm thick (compacted thickness) Wet Mix Macadam (WMM) laid in three layers of 75 mm each, grading as per table 400-13 of MoRT&H specifications for Road and Bridge works 2013 manufactured in WMM plant, material comprising of clean, crushed, graded aggregate and granular material premixed with water to a dense mass, spreading with sensor paver and rolling with vibratory roller of capacity 80-100 KN static weight and consolidating to required gradient and camber, finished surface tolerances to be as per Table 900-1 of MoRT&H pecifications for Road and Bridge works 2013 complete all as specified and as directed by Engineer-in-Charge.

M&L for preparation of un-surfaced WMM/ WBM by brushing with wire brushes for removing caked mud etc., Sweeping with brooms and finally fanning the cleaned surface with gunny bags/ Air compressor to remove all loose dirt etc. and applying evenly a prime coat of Cationic Bitumen Emulsion SS1 confirming to IS: 8887 at a rate of application of 0.7-1.0 kg/sqm on surface of WMM/ WBM as specified in Table 500-3 of MoRT&H specification for Road and Bridge works 2013, using mechanical sprayer complete all as specifed and directed by Engineer-in-Charge.

M&L for Scarifying or picking gravelled, macadam or bitumenous macadam surfaces in area not exceeding 400 sqm and depth exceeding 50 mm but not exceeding 100 mm, complete all as specified and as directed by Engineer-in-charge.

Applying evenly a prime coat of Cationic Bitumen Emulsion SS1 confirming to IS: 8887 at a rate of application of 0.7-1.0 kg/sqm on surface of WMM/ WBM as specified in Table 500-3 of MoRT&H specification for Road and Bridge works 2013, using mechanical sprayer complete all as specifed and directed by Engineer-in-Charge.