SPL REPAIR OF ROAD FROM RP GATE NO 04 AND OLD CWE COMPLEX AT BGTC AND MT AREA TO SINGLE LIVING AND COMPLETE AREA OF MT AND MAIN OFFICE OF FMN HQ UNDER GE BARRACKPORE

Prepaing of old 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 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 0.30 kg/sqm in Table 500-3 of MoRTH specification for road and bridge works 2013, using mechanical sprayer complete all as specified and/or as directed by Engr-in-charge.

M&L for applying evenly a tack coat of Cationic Bitumen Emulsion (RS-1) conforming to IS:8887 at a rate of application of 0.3 kg/sqm on bituminous surface as specified in Table 500-5 of MoRTH specification for road and bridge works 2013, using mechanical sprayer after cleaning of existing surface complete all as specified and/or as directed by Engr-in-charge.

Scarifying or picking gravelled, macadam or bituminous macadam surfaces in area exc 400 sqm and depth exc 50mm but not exc 100mm complete all as specified and/or as directed by Engr-in-charge.

M&L WBM 7.5 cm thick compacted thickness with granite, trap or basalt type coarse aggregates of grading 2 (63 to 40mm size) or of grading 3 (50 to 20mm size), spread, rolled and consolidated to gradient materials and camber required complete all as specified and/or as directed by Engr-in-charge.

All as per item No 3 above but except materials.

Preparing unsurfaced water bound macadam surfaces 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. and applying evenly a prime coat of Cationic Bitumen Emulsion SS1 confirming to IS: 8887 at a rate of application of 1 kg/sqm on surface of WMM/WBM as specified in Table 500-3 of MoRTH specification for road and bridge works 2013, using mechanical sprayer complete all as specified and/or as directed by Engr-in-charge.

Repairs to pot holes exc 30mm depth and not exc 1 sqm each including sweeping free from dust and mud or water scoring sunken surfaces in road paths etc cutting around edges to a least 25mm in depth, making good by applying tack coat with bituminous primer (paving bitumen VG-30) @ 5kg per 10 sqm putting in premixed bituminous macadam, well rammed and sealed with binder 9.8kg (paving bitumen VG-30) per 10 Sqm blinded with 0.09 cum of stone chippings, 6.3mm size and well rammed with 8 to 10 tonne power roller (including supplying of premixed macadam, binder and chippings) complete all as specified and/or as directed by Engr-in-charge.

M&L Premix bituminous, macadam laid/rolled and compacted to required gradient and camber (consolidated thickness 75mm or less) using binder content 4% by weight of total mix, over primed surfaces of road using paving bitumen (grade VG-30) laid/rolled and compacted with vibrator power roller to required camber and gradient as specified in SSR 2009 (Part I) and complete all as specified and/or as directed by Engr-in-charge. .

M&L for semi-dense asphaltic concrete 30 mm consolidated thickness with 5.5% paving bitumen (grade VG-30) binder content by weight by total mix, rolled and compacted to required camber and gradient complete all as specified and/or as directed by Engr-in-charge.

M&L for preparing bituminous surfaces of road and marking 2.5mm thick centre lines, stop lines, dashes, arrows etc. and the like not exc 10cm wide on road pavements with hot applied thermoplastic road marking paint of approvd colour conforming to BS 3262-1989 with special applicator machine all as per manufacturer's instructions complete all as specified and/or as directed by Engr-in-charge.