tender for repairs to joint filling of main runway mm l dispersal in tech area af stn utarlai; 1 m&lfor cleaning and racking out the existing expansion joint /construction jointsealed with sealing compoundgrade bor any description 30 mm to 40 mm wide and up to 35 mm to 45 mm depth by appropriate hand tools (chisel and hammer or l hook including removing the existing sealing compound from the edges with knife or any other means such as chisel hammer and grinding or any tools without damaging the edges and sides of the joint and removing the loose particles using wire brush and hot compressed air and priming the sides and making the surface bitumen free as per the manufacturer instruction provision of de bonding strip (thickness shall be 20 to 25 % more than the width of joint ) at bottom of joint and sealed the joint with pitch free grey polyurethane sealant conforming to bs -5212 , bs4254 and en- 141875-2003 with minimum movement accommodation factor maf of +/- 30 % .minimum depth of the sealant above debonding strip shall be 10-15 mm and applying the masking tap on edge of joint to prevent accidental spillage of sealant and removing the masking tap after sealant is applied complete all as specified and directed 2 m&lfor cleaning and racking out the existing expansion joint /construction jointsealed with polyurethene sealant or any description 20 mm to 30 mm wide and up to 35 mm to 45 mm depth by appropriate hand tools (chisel and hammer or l hook including removing the existing sealing compound from the edges with knife or any other means such as chisel hammer and grinding or any tools without damaging the edges and sides of the joint and removing the loose particles using wire brush and hot compressed air and priming the sides and making the surface bitumen free as per the manufacturer instruction provision of de bonding strip (thickness shall be 20 to 25 % more than the width of joint ) at bottom of joint and sealed the joint with pitch free grey polyurethane sealant conforming to bs -5212 , bs4254 and en- 141875-2003 with minimum movement accommodation factor maf of +/- 30 % .minimum depth of the sealant above debonding strip shall be 10-15 mm and applying the masking tap on edge of joint to prevent accidental spillage of sealant and removing the masking tap after sealant is applied complete all as specified and directed 3 m&l cutting for existing runway/taxi track at cracks and spelled edges upto a minimum depth 30mm by mechanicals tools making grooves at cleaning through air blower/air blasting and applying propriety primer on the cleaned surface to obtain tack and finally filling in elastomeric concrete of make fosroc chemicals/ chokesy chemicals pvt ltd/ cipy polyurethane pvt ltd/ basf india ltd ( prepared by mixer part a, part b and adding fiberglass sand all as per manufacturers instruction and properly mixing in purpose made mixer plant electrically operated) to obtain a homogeneous mix and finally tooling the surface with hand tools to obtain a grooved textured finish and all so including connected joints expansion/construction/dummy joint filling with sealing compound/polyurethane sealant complete all as specified and directed by engr-in-charge 4 m&l for cleaning existing holes/cavities with broom and compressed air surfaces area not exceeding3 sq cm each of any shape & filling with epoxy resin mortar of makefosroc chemicals/ chokesy chemicals pvt ltd/ cipy polyurethane pvt ltd/ basf india ltd prepared by mixing all as per manufacturers instruction complete all as specified and directed