REPAIR/MAINT TO RUNWAY FOR JOINT FILLING, CRACK FILLING ON BITUMEN PORTION EPOXY,PME AND COLD EMULSION WORK AT AF STN BAMRAULI

Amount

M&L for preparing of exisiting construction or contraction or dummy joints including removing filled material in joints of runway by removing the cracking out joints 10 to 12 mm wide and 27 mm deep including removing all loose material and cleaning the joints with brush and removing all loose fine particles with compressed air , primed and providing a sutiable dia polyurethane back up rod or deboning strip and top 15 mm primed and sealed with using polyurethane based sealing compound with suitable primer as per manufactuers recommendation.Polyurethane sealant complying with BS-5212 & BS-4254 and EN 141875-2003 (for hydrolysis/water restance test) priming the sides with minimum MAF + 30% with ten years performance guarantee and applying masking tape on edges of joint to prevent accidental spillage of sealant and removing the same after sealant is applied complete all as speciied and directed. Note:- Old unserviceable material so obtained from removing of existing filled up materials shall be disposed off out side MoD land.

M&L for preparing of existing expansion joints including removing filled material in joints of runway by removing the cracking out joints 20 to 25 mm wide and 38 mm deep including removing all loose material and cleaning the joints with brush and removing all loose fine particles with compressed air, primed and providing suitable dia polyurethane back up rod or deboing strip and top 13 mm primed and sealed with using polyurethane based sealing compound with suitable primer as per manufacturers recommendation polyurethane sealant complying wiht BS-5212 & BS-4254 and EN 141875-2003 (for hydrolysis/water resistance test), priming the sides with minimum MAF + 30% with ten years performance guarantee and applying masking tape on edges of joint to prevent accidental spillage of sealant and removing the same after sealant is applied complete all as specified and directed. Note:- Old unserviceable material so obtained from removing of existing filled up materials shall be disposed off out side MoD land.

M&L for preparing old black bituminous surface by fibre for removing all loose dusts, dirt, particle etc sweeping the surface with brooms and finally the cleaned surface with gunny bags to remove all loose particle or dust etc and applying evenly a coat of cold bituminous emulsion @ 5 Kg per 10 Sqm by brushing to an uniform and fully blinded surface complete all as specified and directed. Note:- (i) Cold bituminous emulsion shall be slow setting emulsion (SS-1) (IS:8887) and shall be procured directly from the manufacturer's only and brought at site sealed drum/container of 200 litres. (ii) Empty drum shall be property of the department/MES and the same shall be removed from site from time to time and deposited at MES store yard as directed.

M&L for cleaning of craks of depth up to 20mm and width up to 15 mm in bitumeneous surfaces with mechanical blower and applying bitumen based hardner primer and filling with PU Sealant crack filler of joint sealer bitumeneous grouting material complete all as specified and directed. Notes :- (i) Work shall be carried out by authorised applicator of firm. (ii) The warranty of material shall be three years from the date of completion of work.

M&L for removal of paints deposits from runway surface using waterblasting cum vacuuming system with suitable operating pressure so that the total rubber deposits are removed from runway both rigid and flexible surface by the method of water blasting cum vacuuming system with suitable water pressure without use of any chemical & without causing damage to the existing surface complete all as specifed and directed.

M&L for repair to broken/damage portion of concrete slab or pavement by cutting damaged portion to silab /spoils edges to triangular or rectangular cross section with mechanical cutter and removing all loose and foreign materials and depositing the same to out side MOD land and cleaning the surface by compressed air to remove all dust dirt etc and washing with hydrochloric acid and filling with epoxy resin mortar after application of epoxy primer as per manufacture instructions- bull nosing the edges complete all as specified and directed. Notes:- (i) Old unserviceable material so obtained from damaged portion of concrete slab shall be removed from out side MoD land. (ii) working hours may be restricted due to flying operations. (ii) Unit quoted rate shall be deemed to included the cost of power supply required for cutting of damaged portion of concrete slab of runway.

M&L for repair to broken or damaged portion of concrete slab or pavement by cutting damaged portion to slab /spoils edges to triangular or rectangular cross section with mechanical cutter and removing all loose and foreign materials and removing the same to out side MOD land and cleaning the surface by compressed air to remove all dusts, dirts etc and washing with hydrochloric acid and filling with elastomeric concrete after application of primer as per manufacture instructions bull nosing the edges complete all as specified and directed. Note :- (i) Material obtained from damaged portion of concrete slab shall be removed from out side MoD land. (ii) Working hours may be restricted due to flying operations. (iii) Unit rate quoted is included the cost of power supply required for cutting of damaged portion of concrete slab of runway.

M&L for applying two coats of runway or road marking paint of approved make white or golden yellow, black etc including preparation of previously untreated bituminous or concrete surfaces of runway or road painting lines, dashes, arrows, letters and the like exceeding 10 cm width or girth complete all as specified and directed.

M&L for applying two coats of runway or road marking paint of approved make white or golden yellow, black etc including preparation of previously untreated bituminous or concrete surfaces of runway or road painting lines, dashes, arrows, letters and the like not exceeding 10 cm width or girth complete all as specified and directed.

R.K.ASSOCIATES

R K CONSTRUCTION COMPANY

M/S Amar Enterprises