SPL REPAIR TO CERTAIN ROADS AT VARIOUS LOCATIONS UNDER GE N BINNAGURI

M&L for 7.5cm thick (compacted thickness) WBM, with coarse aggregate of Lime stone, sand stone, flint or quartzite of grading 2 (63 to 40mm size) spread, rolled and consolidated to gradient and camber with 8 to 10 ton power roller, complete all as specified and directed.

M&L for preparing un-surfaced water bound macadam by brushing with wire brushes for removing caked etc sweeping with brooms and finally fanning the cleaned surface with gunny bags to remove all loose dirt etc, applying evenly a prime coat of cationic bitumen emulsion (SS-1) conforming to IS : 8887 at a rate of application of 0.70 - 1 kg/sqm on surface of WMM/WBM as specified in table 500-3 of Morth specification for road and bridge work 2013 using mechanical sprayer, complete all as specified and directed.

M&L for Preparing of black top surface of road by brushing with wire brushes for removing caked mud etc, sweeping with brooms and finally fanning the cleaned surface with mechanical air compressor and gunny bags to remove all loose dirt etc, applying evenly a tack coat of cationic bitumen emulsion (RS-1) conforming to IS : 8887 at a rate of application of 0.20 - 0.30 kg/sqm on bituminous surface as specified in table 500-5 of Morth specification for road and bridge work 2013, using mechanical spraye after cleaning of existing surface, complete all as specified and directed.

M&L for Scarifying or picking gravelled, macadam or bituminous macadam surfaces in area not exceeding 400 Sqm and depth exceeding 50 mm but not exceeding 100 mm deep including removing stacking and deposing off, complete all as specified and directed.

M&L for repairs to potholes of any depth not exceeding 1.0 sqm each including sweeping free from dust & mud or water, scoring sunken surfaces in road, path etc, cutting around edge to at least 25 mm in depth, making good by applying tack coat @5 kg per 10 sq m, putting in premixed bituminous, well rammed and sealed with binder 9.8 kg per 10 sq m, blinded with 0.09 cu m 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 complete all as specified and directed.

M&L for premix bituminous, macadam laid/rolled and compacted to required gradient and camber (consolidated thickness 75mm or less) using paving bitumen Vg-30 @ 4% (minimum) by the weight of total mix of any penetration compacted to required gradient and camber with 8 to 12 tone power roller, complete all as specified and directed. NOTE : (i) No extra allowances shall be admissible to the contractor if the bitumen content is required more than 4% by the weight of total mix as per approved design. The contractor shall quote the rate accordingly.

M&L for bituminous premix asphaltic semi dense concrete 40mm consolidated thickness (minimum) with 5.5% binder content of paving bitumen Gde-VG-30 by weight of total mix, rolled and compacted, mixed in mechanical hot mixed plant and pre-mixed material laid with mechanical paver, finished including rolling to required gradient and camber with 8 to 12 tonne power roller to required compaction complete all as specified in the relevant clauses of SSR Part-I (2009) and, complete all as specified and directed. Note : (a) Rate deemed to be included for making good of any undulation/damages in wearing surfaces, where semi sense asphaltic concrete to be laid. (b) Semi dense asphaltic bituminous concrete shall be designed as specified and binder content shall be provided as per design mix, contractor shall quoted his rates considering the bitumen contents as 5.5%. Any variation in binder content on minus side shall be adjusted at the rate of Rs 50.00 per kilogram of binder but variation in binder plus side shall not be paid extra contractor shall quote accordingly.

M&L for preparing bituminious surfaces of road and marking 2.5 mm thick painting to road surfaces as in lines, dashes, arrows, letters , zebra crossing etc on roads, pavements and like n exc 10 cm wide on roads pavement with hot applied thermoplastic road marking paint approved colour conforming to BS 3263-1989 with special applicator machine all as per manufactures instruction, complete all as specified and directed. (Note. The painting shall be carried out through mechanical appliances by the company's approved applicator). Note:The contract sum shall be calculated by deducting the amount shown in Credit Schedule attached to this tender, from total amount of Schedule 'A'/BOQ.