SPECIAL REPAIR TO ROAD/CULVERTS ALONGWITH ROAD FURNITURE ON LINK ROADS INSIDE MARRIED ACCN ENCLAVES AND PERIPHERAL ROADS AT TALBEHAT MIL STN

Repair to potholes not exceeding 1.0 Sqm each, any depth exceeding 30mm, including sweeping free from dust and mud or water, scoring sunken surfaces in roads, paths, etc making good by applying tack coat at 5.0 Kg per 10 Sqm. putting in premixed bituminous macadam, well rammed and sealed with binder 9.8 Kg per 10 Sqm, blinded with 0.09 Cum of stone chippings, 6.3mm size and again will rammed (including supply or premixed macadam, binder & chippings) complete all as specified and as directed.

Scarifying or picking gravelled macadam or bituminous macadam surfaces, in area exc. 400 Sqm (depth exc 50mm and not exc 100mm deep) complete all as specified and as directed

M&L rolling and consolidating road formation surfaces in cutting with 8 to 12 tonne power road roller including watering as necessary and filling in hollows and depressions to required gradient and camber complete all as specified and as directed

M&L for laying and compacting 150mm thick (compacted thickness) granular sub base course (GSB) grading as per Grade V as specified in table 900-1 of MoRTH specifications for Road and Bridge works, 2013, in a three layers over compacted subgrade with natural sand, crushed gravel, crushed stone, crushed slag or combination thereof as per the grading required. The materials are mechanically mixed, spread and levelling on the subgrade by using motor grader of adequate capacity and rolling with vibratory roller of capacity 80-100 KN static weight for achieving required compaction density of atleast 98% of the maximum dry density and consolidating to required gradient and camber with finished surface tolerances as per table 900-1 of MoRTH specifications complete all as specified and as directed.

M&L for 150 mm thick (compacted thickness) WBM in two layers of 75 mm thick with coarse aggregate of grading 2 (63 to 40mm size) for first layer and of grading 3 (50 to 20 mm size) for second layer quartzite, flint stone, lime stone, sand stoneetc blinded with stone screeining type 'A' spread, rolled and consolidated to required gradient, camber, level, super elevation with 8 to 12 tonne power roller complete all as specified and as directed.

M&L for preparing unsurface WBM by brushing with wire brushes for removing caked mud etc, sweeping with brooms and finally fanning the cleaned surface with gunny bags to remove all loose dirt etc, unsurfaced water bound macadam applying evenly a priming/tack coat with bituminous primer (Paving bitumen VG-10) at 10 Kg per 10 sqm, using bitumenous primer by means of mechanical paver complete all as specified and as directed.

Material & Labour for laying premixed bituminous macadam (using binder not less than 4% by weight of total mix) rolled and compacted to required gradient and camber (consolidated thickness 50-75 mm) using VG-30 paving bitumen, complete all as specified and as directed.

M&L preparing of black top surface by brushing with wire brushes for removing caked mud etc. and sweeping with brooms and finally fanning the cleaned surfaces with gunny bags to removed all loose dirts and for applying evenly a priming/tack coat with VG-10 bituminous primer at 5 Kg per 10 Sqm using paving bitumen over black top surface complete all as specified and as directed.

M&L for providing bituminous premix semi dense asphaltic concrete 30mm consolidated thickness using VG-30 with 5.5% binder content by weight of total mix, rolled with 8 to 10 tonne power roller and compacted to required camber and gradient complete, complete all as specified and as directed. Note:- VG-30 paving bitumen content beyond 5.5% if required on account of design mix shall not be paid and shall be deemed to be included in unit quoted rate.

M&L Providing and applying 2.5 mm thick road marking strips (retro-reflective) of specified shade/ colour using hot thermoplastic material by fully/ semi-automatic thermoplastic paint applicator machine fitted with profile shoe, glass beads dispenser, propane tank heater and profile shoe heater, driven by experienced operator on road surface including cost of material, labour, T & P, cleaning the road surface of all dirt, seals, oil, grease and foreign material etc. complete all as specified and as directed.