SPECIAL REPAIR TO ROAD IN CERTAIN AREA AT HAPPY VALLEY UNDER GE SHILLONG

Amount

Scarifying or picking gravelled macadam or bituminous macadam surface in area not exceeding 400sqm and depth exceeding 50mm but not exceeding 100mm 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 10 tonne capacity power roller all as specified.

Material and labour for 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. and applying evenly a tack coat with bituminous primer (Paving bitumen of grade VG-10) @ 10 Kg per 10Sqm complete all as specified and directed.

Material and labour for providing premixed 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 preparation of existing black top surfaces by 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. and applying evenly a priming/tack coat with bituminous primer (Paving bitumen VG-10 Grade) @ 5 Kg per 10Sqm complete all as specified and directed.

Material and labour for providing bituminous premixed carpet 40mm consolidated thickness with 0.54 cum of stone chippings mixed with 29.20 Kg of binder (paving bitumen of grade VG-20) per 10 Sqm, mixed in automatic hot mix plant and laid with mechanical paver, rolled and compacted to required camber and gradient etc. complete all as specified and directed.

Material and labour for premixed sand seal coat using paving bitumen @ 9.8 Kg per 10 Sqm, blinded with 6.3mm size of stone chipping @ 0.09 Cum per 10 Sqm (paving bitumen of grade VG-20), rolled with 8 to 10 tonne power roller to uniform fair surfaces complete all as specified and as directed.

Supply and fix in repair convex mirror of 60 cm dia size having 130 degree of viewing angle, made of polycarbonate plastic, brim and back holding plate made of metal/FRB alongwith pole mounted brackets and pole 50mm dia made of galvanised steel firmly fixed to the ground by mean of PCC 1:2:4 type B-2 using 40mm graded stone aggregate in foundation filling (size 50cm x 50cm x 60cm) all as specified and directed.

Material and labour for painting lines, dashes, arrows, letters etc on road with retroreflective thermoplastic road marking paint 2.5mm uniform thickness finished with glass beads (MORTH Grade) white or yellow colour not exc 100mm wide with the help of road marking machine including cleaning the surface thoroughly and removing all dirts, dust etc complete all as specified and directed.

M/S UTTAM SAHA