SPECIAL REPAIR OF OFFICE ROAD OF MAIN ROAD HALL 88 UNDER GE GUWAHATI

Scarifying or picking gravelled macadam or bituminous macadam surface in area not exceeding 400sqm and depth exceeding 50mm but not exceeding 100mm deep complete all as specified and directed.

Materials and labour 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) of granite, trap or basalt, spread, rolled and consolidated to required gradient and camber required with 8 to 2 tonne capacity power roller all as specified and directed.

Preparation of unsurfaced WBM surfaces by brushing with wire brushes for removing caked mud etc, sweeping with brooms and finally fanning the cleaned surface with gunny bags or compressed air to remove all loose, dirt, etc. complete all as specified and directed.

Material and labour for repairs to potholes, any depth, not exceeding 1.00 Sqm each including sweeping free from dust and mud or water, scoring sunken surfaces in roads etc cutting around edges to at least 25mm in depth and making good by filling in screened & graded road metal, watering and well ramming (including supply of screened & graded road metal), complete all as specified and as directed.

Material and labour for applying evenly a priming/tack coat with bituminous primer @ 10 Kg per 10 Sqm (VG-10) on unsurfaced water bound macadam complete all as specified and directed.

Material and labour for preparation of 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 or compressed air to remove all loose, dirt, etc. complete all as specified and directed.

Material and labour for applying evenly a priming/tack coat with bituminous primer (VG-10) @ 5 Kg per 10 Sqm on existing black top surfaces / bituminous carpet surfaces complete all as specified and directed.

Material and labour for providing bituminous premixed asphaltic dense concrete using Paving bitumen any penetration, 40mm consolidated thickness with 5.5% binder content (using paving bitumen VG-30) by weight of total mix, laid using Mechanical paver, rolled and compacted to required camber and gradient, using 8 to 12 ton capacity power roller complete all as specified and directed.

Material and labour for providing premix bituminous macadam laid/rolled and compacted to required gradient and camber using 8 to 10 tone capacity power roller (consolidated thickness 75mm or less) using paving bitumen (VG 30 Grade) @ 4% by weight of total mix complete all as specified and directed.

Material and labour for painting lines, dashes, arrows, letters, etc. by applying 2.5 mm thick thermoplastic road marking compound of white/ yellow of approved make and shade for road marking, exceeding 10cm width on bituminous roads/ pavements or on cement concrete surfaces using Hot Processor Plant complete all as specified and directed.