REPAIR/ MAINT TO CERTAIN ROADS AT STN HQ AWANTIPUR UNDER GE 861 EWS

Amount

M&L for repair to potholes any depth, area not exc 1.00 Sqm each including sweeping free from dust and mud or water, scoring sunken surfaces in roads, paths, etc. cutting around edges to at least 25mm in depth, making good by filling in screened & graded road metal, watering and well ramming (including supply of road metal) and compacted to required camber and gradient using 8 to 12 tonne power roller, complete all as specified and directed.

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

M&L for applying evenly a priming/ tack coat with bituminous primer @ 5 KG/ 10 Sqm of paving bitumen of Grade VG-10, complete all as specified and directed.

M&L for premixed bituminuous macadam using 4% binder content of paving bitumen of Grade VG-30 by weight of total mix (consolidated thickness 75mm or less), laying with mechanical paver and rolled and compacted to required camber and gradient with using 8 to 12 tonne power roller, complete all as specified and directed. Notes :- (a) Premixed Bituminuous Macadam shall be laid using self propelled hydrostatic paver finisher and preparation of mix shall be using hot mix plant and transporting the mix in tipper. (b) The exact bitumen content required shall be determined follwing the Mix Design procedure contained in the Asphalt Institute Manual MS-2 (Sixth Edition) as referred in case 3.5.3 of IRC 111:2009. The adjustment in rate due to variation in quantity of bitumen if any shall be priced at the rate of Rs. 60.00 Per KG of bitumen.

M&L for bituminous premix asphaltic semi dense concrete (SDAC) 30mm thick (consolidated thickness) with 5.5% binder content of paving bitumen of Grade VG-30 by weight of total mix, rolled and compacted to required camber and gradient with using 8 to 10 tonne power roller and laying with mechanical paver, complete all as specified and directed. Notes :- (a) Bituminous premix semi dense asphaltic concrete shall be prepared in central computerised hot mix plant. (b) Design mix shall be got done by the contractor at his own expenses from NABL laboratory as decided by GE. (c) Contractor shall quote his rates by considereing binder contents @ 5.5% of total mix by weight, however in case of any variation in weight of binder contents on lower side as per actual mix design, the same shall be ajusted @ Rs. 60.00 Per Kg of bitumen.

M&L for preparing bituminous surfaces of road and marking 2.5mm thick centre lines, stop lines, dashes, arrows, etc. and the line not exceeding 10cm in width with applied hot thermoplastic road marking paint of approved colour (white or golden yellow), confirming to BS-3262-1989 with special applicator machine and including traffic diverson arrangement, complete all as specified and directed.

M/S GASSI BROTHERS (BID ID -3181461)

M/S UNIQUE CONSTRUCTION (BID ID -3181067)