REPAIR MAINTENANCE OF ROADS AND MISC ITEMS IN WSA AREA IN TECHNICAL AREA UNDER AIR FORCE STATION PATHANKOT

Amount

Repair to Pot holes size not exceeding 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 25mm in depth, and making good by applying bituminious tack coat @ 5 kg per 10 sq m (Using VG-10), putting in premixed semi dense asphaltic concrete 40mm consolidated, well rammed and sealed with binder 9.8 kg per 10sq m (Using VG-30), blinded with 0.09 Cum of stone chippings, 6.3 mm size and again well rolled with 8 to 12 tonne power roller complete (including supply of premixed macadam, binder and chippings), depth of potholes exc 30 mm complete all as specified and directed by Engr-in- Charge.

M&L applying evenly a priming/tack coat with viscocity grade (VG-10) bituminous primer @ 10.0 Kg/10 Sqm to road surface, complete, all specified and directed.

Premix bituminous macadam using paving bitumen (VG-30) any penetration @ 4% by weight of total mix, laid/rolled and compacted to required gradient and camber consolidated average thickness 75mm using 8 to 12 Tonne Power roller (consolidated thickness 75mm) complete all as specified and directed. Note : Please note that repairs to patches where depressions over 5mm thick shall also be carried out under this item. Contractor's Quoted Rates for this item shall be deemed to include for cleaning of surface and removal the rubbish material to a distance not exceeding 50m from the starting point.

Preparing black top surfaces by brushing with wire brushes for removing caked mud etc. sweeping with wire brush/brooms and finally fanning the cleaned surface with gunny bags or by mechanical blower to remove all loose dirt etc ,complete, all specified and directed.

M&L applying evenly a priming/tack coat with viscocity grade (VG-10) bituminous primer @ 5.0 Kg/10 Sqm to road surface, complete, all specified and directed.

M&L for Bituminous asphaltic semi dense concrete consolidated thickness 40mm with stone chippings graded aggregate with 5.5% of binder content by weight of total mix (Viscocity grade paving bitumen of grade VG-30) and 4% stone dust conforming to required specification for filler as per IRC-95, 1987 (filler) by weight of mix, prepared in hot mix plant, rolled and compacted to required camber and gradient to uniform smooth surfaces by mechanical paver and rolled with 8 to 10 tonne power roller complete, all specified and directed. Notes :- 1. Bituminous asphaltic semi dense concrete shall be laid using self propelled mechanical paver and preparation of mix shall be done using computerized hot mix plant. 2. The exact quantity of bitumen to be used shall be determined after design mix by Marshal method.

M&L for preparation/ cleaning of new/ old black top surface road surface and applying one coat of retro reflective thermoplastic road marking paint 2.5 mm thick for longer durability to withstand heavy traffic with 8% glass beads using special applicator machine with heating arrangement upto 160 degree Celsius: paint material shall be confirming to Ministry of surface transport (MOST) specification 803.4 Vol I as laid down in specification of road/ bridge work third revision after cleaning surfaces complete all as specified

S&F Reteo reflective coloured tape (colour as approved by GE of approved make and width not more than 15cm complete all specified and directed.

Sandeep Kumar (BID ID -3245501)

Surya & Gautam Builders (BID ID -3246382)

M/S G P MARWAHA (BID ID -3246429)

M/S SINGH AND ASSOCIATES (BID ID -3246306)

PARVINDER BHARDWAJ (BID ID -3246350)

JAGDISH SINGH ASSOCIATES (BID ID -3246526)