REPAIR TO CERTAIN ROAD INCLUDING ROAD FURNITURE AT GRD KUNRAGHAT

Scarifying or picking gravelled macdum or bituminous macadum surfaces in area not exceeing 400 Sqm, exceeding 50 mm and not exceeding 100 mm deep complete all as specified and as directed.

Preparing of unsurfaced WBM surface 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 tack coat with bituminous primer using paving bitumen of grade VG-10 @ 10 Kg per ten square metre complete all as specified and as directed.

Repair to potholes any depth, 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) but making good by applying tack coat @ 5 kg per 10 sq m, putting in premixed bituminous macadam, well rammed and sealed with binder 9.8 kg per 10 sq m, blinded with 0.09 cum of stone chippings, 6.3 mm size and again well rammed (including supply of premixed macadam, binder and chippings). depth of potholes exc 30 mm all as specified.

Preparing of existing old black top surface 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 tack coat with bituminous primer using paving bitumen of grade VG-10 @ 5 Kg per ten square metre complete all as specified and as directed.

M&L Providing bituminous premix semi dense asphaltic concrete 30 mm consolidated thickness with minimum 5.0 % binder content by weight of total mix, using paving bitumen VG-30 using hot mix plant and laid by using mechanical paver, rolled and compacted to required camber and gradient complete all as specified and as directed. Note :- (i) Work shall be executed as per approved design mix from NABL Govt approved lab /Govt Engg College as decided by GE. (ii) Any variation in binder content during design mix at site on plus side shall be borne by the contractor without any extra cost to the Government.

M&L for preparing bituminous surfaces of road and marking 2.5mm thick centre lines, stop lines, dashes, arrows etc. and the like on roads pavements with hot applied thermo plastic road marking paint of approved colour confirming to BS 3262-1989 with special applicator machine all as per manufacturers instruction complete all as specified and directed. Note:- (i) Road marking work shall be carried out in accordance with manufacture's instructions and as specified. (ii) Refer MORTH specification of Para 803.4.2.1 and 800.4.2.2 on bituminous surface in white colour or yellow colour and super imposed with glass beads confirming to BS 6088 and MORTH specification Para 803.4.3.3

M&L 75 mm thick cement concrete 1:4:8 type D-2 using 40 mm grade stone aggregate as in sub base complete all as specified and as directed.

M&L 60 mm thick , M-35 grade machine pressed pre-cast interlocking paver block any shape and size conforming to IS 15658-2006 with grey cement and pigment complete all as specified and as directed.