REPAIR, MAINTENANCE OF CERTAIN ROADS AT AF STN SALUA UNDER GE AF KALAIKUNDA

M&L repair to potholes any depth, not exc 1 sq m each including sweeping free from dust and mud, or water, scoring sunken surfaces in roads, paths, etc. cutting around edges to at least 25 mm in depth, making good by filling in screened & graded road metal, watering and well ramming (including supply of road metal) complete all as specified and as directed.

Scarifying or picking gravelled, macadam or bituminous macadam surfaces exc 50 mm and n exc 100 mm deep and area not exc 400 sqm complete all as specified and as directed.

M&L for 100 mm thick (Compacted thickness) WBM, with coarse aggregate of grading 1 (90 to 40mm size), spread, rolled and consolidated to gradient and camber required with using granite, trap or basalt stone all as specified and as directed.

M & L for Preparing unsurfaced water bound macadam 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. complete all as specified and as directed.

M&L for applying evenly a priming coat with catonic bitumen emulsion SS-1 conforming to IS:8887 @ 10 kg per 10 sqm on surface of WMM/WBM as specified in Table 500-3 of MORTH specification for road and bridge works 2013, using mechanical sprayer after cleaning of existing surfaces complete all as specified and as directed.

M&L Premix bituminous ,macadam with 4% binder content by weight of total mix (using paving bitumen of VG-30) laid/rolled and compacted to required gradient and camber rolled/laid with power roller (consolidated thickness 75mm) including preparation of area before laying of macadam complete all as specified and as directed.

Preparing of bituminous/black top surfaces by brushing with wire brushes for removing caked mud etc., sweeping with brooms and finally fanning the cleaned surface with mechanical air compressor and with gunny bags to remove all loose dirt etc. complete all as specified and as directed.

M&L for applying evenly a priming / tack coat with catonic bitumen emulsion (RS-1 grade) conforming to IS:8887 @ 3 kg per 10 sqm on bituminous surface as specified in, using mechanical sprayer after cleaning of existing surfaces complete all as specified and as directed.

M&L bituminous premix semi-dense asphaltic concrete 40mm consolidated average thickness with 5.5% binder (paving bitumen grade VG-30) content spread evenly with mechanical paver mechine to desired thickness and to the correct camber, rolled and compacted to required camber and gradient with 8 to 12 tonne power roller/ vibratory roller/ double drum as suitable complete all as specified and as directed.

M&L for preparation of bituminous surfaces of road and marking center lines, stop lines, dashes, arrows etc of 2.5 mm thick (Reflective type) of colour of white or golden yellow and the like n exc 10cm wide on roads, pavements with hot thermo plast materials by fully autumatic thermoplastic paint applicator machine complete all as specified and as directed.