REPAIR / MAINT OF INTERNAL ROADS INCLUDING ROADS SIDE FURNITURE AT UPPER AND LOWER LEIMAKHONG MIL STN UNDER GE 869 EWS

M&L for Scarifying or picking gravelled exc. 50 mm but n. exc. 100 mm deep, macadam or bituminous macadam surfaces in area exc. 400 sqm complete all as specified and directed at site.

M&L for 7.5cm thick (compacted thickness) WBM, with coarse aggregates of grading 2 (63 to 40mm size) or of grading 3 (50 to 20mm size), spread, rolled and consolidated to required gradient and camber with 8 to 12 tonne power rollers completed (Granite, trap or basalt stone) complete all as specified and directed at site.

M&L for Preparing unsurfaced WBM surface by brushing with wire brushes for removing caked mud etc, sweeping with brooms and finally fanning the cleaned surfaces with gunny bags to remove all loose dirt etc. Applying evenly a tack coat of paving bitumen VG-10 grade at the rate of 10 kg per 10 sqm, complete all as specified and directed.

M & L for preparing existing black top surfaces by brushing with wire brushes for removing caked mud etc, sweeping with brooms and finally fanning the cleaned surface with gunny bags to remove all loose dirt etc, unsurfaced Water bound macadam complete all as specified and directed.

M & L for applying evenly a priming/tack coat with bituminous primer at 5 kg per 10 sqm, using Paving bitumen of grade VG-10, complete all as specified and directed.

Material and labour for bituminous premix semi dense asphaltic dense concrete 40mm (consolidated thickness) with 5.5% binder of paving bitumen VG-30 grade content by weight of total mix, including cement filler on surfaces rolled and compacted with using 8 to 10 tonne power rollers to achieve the required compactness, camber and gradient. The mix shall be done using hot mix plant as per design mix and shall be laid by mechanical paver complete all as specified and directed at site. Note: (i) The actual binder content shall be as per optimum content based on approved job mix formula with minimum content of 5.5% by weight of total mix, if the actual qty of bitumen to be incorporated on approval of design mix if found more than that of minimum bitumen content specified above, no price adjustment shall be made for actual bitumen content of mix design. (ii) Design mix to be approved by the GE.)

M&L for premix bituminous macadam 75mm or less consolidated thickness by using paving bitumen VG-30 grade with binder content @ 4% weight of total mix laying with mechanical paver and rolled and compacted to required camber and gradient by using 8 to 10 tonne capacity power road rollers complete all as specified and directed.

M & L for preparing existing black top surfaces by brushing with wire brushes for removing caked mud etc, sweeping with brooms and finally fanning the cleaned surface with gunny bags to remove all loose dirt etc, and applying evenly a priming/tack coat with bituminous primer at 2.5 kg per 10 sqm complete all as specified and directed.

Repairs to pot holes any depth, n. exc. 1 sqm each including sweeping free from dust and mud or water, scoring sunken surfaces in road, path etc cutting around edges to at least 25 mm in depth making good by filling in screened and graded road materials making good by applying tack coat @ 5 kg per 10 sqm, putting in premixed bituminous macadam, well rammed and sealed with binder 9.8 kg bitumen of grade VG-30 per 10 Sqm, blinded with 0.09 cum of stone chippings, 6.3 mm size and again well rammed (including supply of premixed macadam, binder and chippings).depth of potholes exc. 30 mm and rolled with power roller 8 to 10tonne and compacted to required camber and gradient and finishes to a uniform and smooth surfaces complete all as specified and directed.

M&L for Moorum / red bajri filling in floors or paving’s, laid in layers n exc. 15 cm thick, spread, levelled and rammed including watering and well ramming complete all as specified and directed.