SPECIAL REPAIR/RENOVATION OF ROAD AND CONNECTING PATHS INSIDE THE SCHOOL BUILDING UNDER AGE BR-II OF GE (N) MAMUN

Amount

Material and Labour for Repair to potholes depth of potholes exc 30 mm, 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) and making good by applying tack coat with bituminous primer @ 5 kg per 10 sqm, putting in premix as specified for thin bituminous carpet (2 cm thick) well rammed and sealed with premixed sand seal coat (6.8 kg of binder with 0.06 cu m of sand), again well rammed (including supply of premix binder and sand), complete all as specified. Note : The patching of pot holes shall be as per para 20.A.34.2 of SSR Part-I

Material and Labour for Preparation of existing black top surface of road by brushing with wire brushes for removing caked mud etc, sweeping with brooms and finally fanning the surfaces by mechanical compressor to remove all loose dirt and applying evenly a priming/tack coat with paving bitumen VG 10 grade @ 5 Kg per 10Sqm of road surface and laying bituminous premixed semi dense asphaltic concrete 30mm thick (consolidated thickness) using binder (Bitumen VG-30 grade) contents @ 5.5 % by weight of total mix, mixed in Hot mix Plant and laid by using self propelled mechanical paver, rolled and compacted to required camber & gradient using 8 to 10 tonne power roller/tandem vibrating roller to achieve uniform smooth surface complete all as specified and directed. Note: The combined grading of aggregate shall be as per Para 20.B.2.5.4(d) & 20.B.4 of SSR Part-I.

Material and Labour for thermoplastic road marking paint 2.5mm thick, white or golden yellow in colour, conforming to BS-3262, in lines, arrow, dashes & letters not exceeding 15cm in width, applied hot, using application unit and retroreflective glass beads @ 250 to 300 gram/Sqm to withstand vehicular traffic load, laid as per manufacture's instructions, the finish surfaces to be level, uniform and free from streaks and holes as per MORTH specification complete all as specified and directed.

Demolition of cement concrete unreinforced of any description and in any position, complete all as specified.

Material and Labour for 75mm thick PCC 1:3:6, type C2, using 40mm graded stone aggregate as in sub base, sub floor, floor and paving, complete all as specified.

Material and labour for coloured 60mm thickness, M-35 Grade, machine pressed precast rubber moulded concrete interlocking (red/yellow) paver block of any shape and size with 6-8mm white cement layer mixed with pigment and coated with epoxy coating having high glossy finish confirming to IS 15658-2006, laid dry over and including 50 mm thick screened river washed sand cushion, complete all as specified and directed.

Material and labour for PCC (1:2:4) type B-1 using 20mm graded crushed stone aggregate as in , in lintels upto 1.5m clear span, cills, steps; seismic and other similar bands, plinth courses, string courses, lacing courses, parapets and railings upto 60 cm in height, copings, kneelers, apex stones, bed plates, kerbs, water troughs and the like including weathering, slightly rounded or chamfered angles and throating, as directed complete all as specified.

M/s Trade Linker Associates