REPAIRS / MAINTENANCE / RESURFACING OF BLACK TOP SURFACES INCLUDING ROAD FURNITURE IN OMQ AREA AND KV SCHOOL UNDER GE (AF) HASIMARA

Repair to potholes any depth, not exc 1.00 Sqm each including sweeping free from dust and mud, or water, scoring sunken surfaces in roads, paths, etc. cutting around edges to at least 30 mm in depth making good by applying tack coat with bituminous primer using paving bitumen @ 5kgs/10 sqm, putting in pre-mixed bituminous macadam, well rammed and sealed with binder 6.8 kg per 10 sqm blinded with 0.06 cum of stone chipping 6.3 mm size and again well rammed (including supply of premixed macadam, binder and chippings) complete all as specified and directed.

M&L for preparing existing black top surfaces by brushing with wire brushes for removing caked mud etc sweeping with brooms and finally cleaning the surface with gunny bags to remove all loose dirt etc and applying evenly a priming/tack coat of paving bituminous primer @ 5Kgper 10Sqm complete all as specified and directed by Engr-in-Charge.

M&L for premix bituminous macadam (using 4% binder content by weight of total mix) laid/rolled and compacted to required gradient and camber (consolidated thickness 75mm or less) using paving bitumen of grade VG-30 complete all as specified and directed.

M&L for bituminous premix semi-dense asphaltic concrete 40 mm thick consolidated thickness with 5.50% binder content by weight of total mix using paving bitumen of grade 30 (VG 30), rolled and compacted, mixed in mechanical hot mixed plant and pre-mixed material laid with mechanical paver, finished including rolling to required gradient and camber with 8 to 10 tonne complete all as specified and directed. Note:- Semi-dense asphaltic bituminous concrete shall be designed as per design mix. Contractor shall quote his unit rate considering the bitumen contents as 5.5%. Any variation in binder content on minus side shall be adjusted at the rate of Rs. 50.00 per KG of binder. No adjustment in price shall be made if the variation is on plus side.

M & L for preparing bituminous surfaces of road and marking 2.5mm thick centre lines, stop lines, dashes, arrows etc. and the like n. exc 10cm wide on roads pavements with reflective thermoplastic road marking paint @5kg/sqm of approved colour confirming to BS 3262-1989 and applying glass grit (BS6086) @300gms/sqm with special applicator machine all as per manufacturers instruction complete all as specified and directed. Note:- Application shall be carried out through mechanical applicances by the approved applicator of the manufacturer of paint

S&F in repairs bi-directional abrasion resistant raised pavement markers/cats eye made out of micro prismatic tough polycarbonate lens of approved colour, engineered thermoplastic body and fixed on the road with epoxy/approved adhesive including making good the disturbed portion of the road complete all as specified and dircted.

Demolition of cement concrete (un-reinforced) of any description and in any position not otherwise specifically provided for complete all as specified and directed.

M&L 100 mm thick, PCC 1:3:6, type C-1 (using 20 mm graded crushed stone aggregate) as in sub base ,PCC path complete all as specified and directed.

M & L for Sand filling under floors or in foundations including watering and consolidation complete all as specified and directed.

M&L for machine pressed precast concrete interlocking coloured paver block of any shape and size conforming to IS 15658-2006 of 60mm thickness, M-35 Grade with grey cement and pigment complete all as specified and directed.