REPAIRS TO JOINT FILLING, EPOXY, ELASTOMERIC OF ORA, PTT, DISPERSAL, TAXI LINK FOR SOUTH LOOP AND NORTH LOOP AT AF STN JAISALMER

Amount

M&L for pouring of elastomeric compound on runway/dispersal/raxi track etc all as per the following specification complete all as specified & directed:- (a) Cutting/Chipping of existing cracked concrete/Bituminous surface not less than 100mm wide and 40mm deep with concrete cutter in proper alignment, removing all loose concrete/dust etc by air blower and carefully cleaning the surface to receive new material. (b) Appliying primer to old surfaces using pump sprayer or brush covering all the area as directed.make of primer RDL 942 or equivalent. The primer shall be allowed to dry before pouring the elastomeric compound. (c) Pouring of elastomeric compound mixed with all ingradient and pouring the mix in the affected area trowelled to acheive grooved or textured finish including all necessary forwork all as directed and specified. Note : (i) The rate shall be inclusive of providing masking tape at joints and formwork required if any at spalled joints edges. (ii) The quoted rate deemed to be inclusive of making good to disturbed joint filling around the area where material is applied.

M&L for cutting existing loose patches/spalled edges/widening of existing cracks of concrete pavement in geometrical shapes to average depth of 20 to 25mm using diamond cutters operated with generator sets,cleaning the surface with air compressors and all as specified and directed.

M&L for applying Epoxy mortar with following specification up to depth of 20 to 25mm & including primer @ 0.45Kg/Sqm. Mixing ratio or ingradients of Epoxy Mortar:- 1. Araldite 250-100 part by weight (Rasine). 2. Araldite 140-50 part by weight (Hardner) 3. Quartz sand 10 No - 500 Part. Note : (i) The rate shall be inclusive of providing masking tape at joints and formwork required if any at spalled joints edges (ii) The quoted rate deemed to be inclusive of making good to disturbed joint filling around the area where material is applied

M&L for cleaning and racking out the existing expansion joints 25mm to 30mm wide and up to required depth by appropriate hand tools (Chisel and hammer or L hook) including removing the existing sealing compound from the edges with knife or any orther means such as chisel and hammer and grinding tools without damaging the edges and sides of the joints and removing the loose particle using wire brush and hot compressed air and priming the sides as per manufacturer's instructions, provision of 30 to 35mm thick polyethlene rod or appropriate de bonding strip at bottom of joints and sealing the joint with pitch free grey polyurethane sealant conforming to BS 5212 (Type-FB) (minimum depth of sealant above de bonding strip shall be 10-12mm) and applying masking tape on edges or joint to prevent accidental spillage of sealant on top surface to give a neat finish to the sealant and removing the masking tape after sealant applied complete all as specified and directed.

M&L for cleaning and racking out the existing Construction/Dummy joints 15mm to 25mm wide and upto required depth by appropriate hand tools (Chisel and hammer or L hook) including removing the existing sealing compound from the edges and bottom with knife or any orther means such as chisel and hammer and grinding tools without damaging the edges, sides and bottom of the joints and removing the loose particle using wire brush and hot compressed air and priming the sides as per manufacturer's instructions, provision of 20 to 30mm dia polyethylene rod or appropriate de bonding strip at bottom of joints and sealing the joint with pitch free grey polyurethane sealant conforming to BS 5212 (Type-FB) (minimum depth of sealant 10-12mm above de bonding strip) and applying masking tape to prevent accidental spillage of sealant on top surface to give a neat finish to the sealant and removing the masking tape after sealant applied complete all as specified and directed.

JANGID BUILDERS

MARUDHARA CONSTRUCTION COMPANY

NAIRA CONSTRUCTIONS AND MANAGEMENT SERVICES