REPAIR AND RE SERVICING OF ROAD AND ROAD FURNITURE IN AF STN BARRACKPORE INCLUDING CERTAIN PLACES AT OUTER POCKETS OF AF STN JAFFARPORE, LOS DUM DUM AND KPA AREA UNDER GE AF BARRACKPORE

Amount

Scarifying or picking gravelled, macadam or bituminous macadam surfaces in area exceeding 400 sqm, depth of pot hole exceeding 50 mm but not exceeding 100 mm including rolling over the broken surfaces using 8 to 10 tonnes power roller to required camber and gradient complete all as specified and as directed.

M & L for applying evenly a priming/tack coat with bituminous primer( paving bitumen VG-10) @ 7.5 kg per 10 sq metre of surface complete all as specified and as directed.

M & L for bituminous macadam not exceeding 75 mm thickness (compacted thickness) using hot mix plant and mechanical paver with 4% binder (paving grade bitumen VG-30 grade) content by weight of total mix, rolled and compacted with power roller 8 to 10 tonnes to required camber and gradient complete all as specified and as directed. Note :- (i) Bituminous macadam shall be laid using self propelled hydrostatic paver finisher and preparation of mix shall be using hot mix plant and transporting the mix in tipper. (ii) The exact bitumen content required shall be determined as per IRC 27: 2009. The adjustment in rate due to variation in quantity of bitumen if any shall be priced at the rate of ` as latest rate at time of bid submission end

M & L for repair to pot holes any depth, not exceeding 1 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 @ 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 cu m 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 complete all as specified and as directed.

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

M & L for applying evenly a priming/tack coat with bituminous primer( paving bitumen VG-10) @ 5.0 kg per 10 sq metre of surface complete all as specified and as directed.

M&L for bituminous premix semi -dense asphaltic concrete 30mm consolidated thickness with 5.5% binder (paving bitumen grade VG-30) content by weight of total mix spread evenly with mechanical paver to desired thickness and to the correct camber, rolled and compacted to required camber and gradient with 8 to 12 tonne power roller/ vibratory roller/ double drum or tandem roller as suitable complete all as specified and as directed. Note :- 1.Premix SDAC shall be procured from a hot mix plant. 2.Exact quantity of binder to be used shall be ascertained by Design mix. 3.The binder content in the mix shall be minimum 5.5% by weight of total mix.However in case more than 5.5% of binder content is required as per design mix,the same shall be provided by the contractor at no extra cost ) 4.Binder content and density testing equipment should be readily available at site. 5. Semi dense bituminous concrete shall be laid using self propelled hydrostatic paver finisher and preparation of mix shall be using hot mix plant and transporting the mix in tipper.(6) The exact bitumen content required shall be determined following the Marshall Mix Design procedure contained in the Asphalt Institute Manual MS-2 (Sixth Edition) as referred in case 3.5.3 of IRC 111: 2009. 6. Rate deemed to be included for making good of any undulation/damages in wearing surfaces where semi dense asphaltic concrete to be laid.

M&L for Painting lines, dashes, arrows, letters, etc. on roads, pavements and the like exc 10cm wide with road marking paint, white or golden yellow including cleaning surfaces complete all as specified and directed.

Supply and fixing metal tubular dealineator made out of ABS round body fitted with 2 Nos 65 mm dia highly reflective reflectors made out of PMMA and mounted on 45/50 mm dia mild steel pipe of 600 mm height duly powder coated and thermo plastic elastomer 3 bands of green, red and yellow reflector radium tape of 25 mm wide strips with anti theft steel net for reflector protection including embedding in PCC 1:2:4 150x150x300mm) type B1 complete all as specified and directed .

Supply and fixing cat eye solar reflective type of metal body alloy of size 100mm x 100mm x 20mm with PAMA striplens reflector of model No. DA 972.0 fixed with and incl MS stud of suitable size as per manufactures instructions. Fixing will be by drilling holes on the road for the shanks to go inside, without nails and using epoxy resin based adhesive as per manufacturer's recommendation and complete all as specified and directed . Note:- The contractor shall submit a two year warranty for satisfactory field performance including stipulated retro-reflectance of the reflecting panel to the Engineer-in-charge.

Supply and fixing solar cat eye aluminum alloy shall (100% water proofing design according to 65) of size 125mm x 125mm x 25mm (shank 65mm) of high efficiency Mono rystafie solar panel 2.4V/ 0.3 watt one NI-ed rechargeable battery (1.2V/ 1600MA) consisting of super bright LED with 10,000 to 18,000 mcd completed as per manufactures instructions etc. all as specified and directed.

Sabitri Jhunu Enterprise (BID ID -3112348)

ROY CONSTRUCTION (BID ID -3124690)

MINAKSHI DEVI (BID ID -3124542)