REPAIR TO FLEXIBLE AND RIGID PAVEMENT JOINT FILLING, EPOXY, ELASTOMERIC CONCRETE IN TECH AREA AT AF STN CHANDIGARH

Material & Labour for repair to cracks/poth holes/patches/edges etc in existing concrete slabs/pavement by cutting out damaged portion around the poth holes/damaged edges with mechanical means into regular shape and size, removing the loose material to a distance exc 500 metre but n.exc 1000 m and cleaning the cut out portion with compressed air to remove all foreign materials like dust, dirt, loose aggregates etc, priming the pot holes/patches with Compatible Primer recommended by manufacturer and filling with Modified Elastomeric Concrete in proper level and shape to flush with the existing slab and joints including necessary form work complete all as specified and as directed.

Material & Labour for repairs to poth holes/patches/edges etc in existing cement concrete pavement by cutting out existing damaged portion around the poth holes/edges with mechanical means into regular shape and size, cleaning the surface with compressed air/other means to remove to all dust/loose particles etc and disposing off to a distance exceeding 500 mtr but nexc 1000 mtr and applying one coat of Epoxy Primer using clean and dry brush, filling with Epoxy Mortar all as per manufacturer's instructions in proper level and shape to flush with the existing slab and joints including necessary form work complete all as specified and as directed.

Material & Labour for repairs to 10mm to 25mm existing dummy joints of concrete pavement by racking out of old existing sealant compound, back up rod and filler board of the existing joints by special tools like racker/cutting blades/machines , widening of joints by 2 mm by using joint cutting blades of appropriate size, straight and smooth edges. Joint cleaned thoroughly with application of compressed air. Joint shall be made dry, vacuum cleaned and free of dirt, oil, vegetation and other debris Application of two coats of primer with thin brush by forward and backward movement at an interval of 30 minutes before placing the filler board and pouring the sealant Thereafter filled with pre-molded 25 mm thick compressible polyethylene closed cell type filler board as specified , over it filled with closed cell medium density, cross linked polyethylene foam backup rod of 25 mm to 35mm dia for complete length of the joint. Finally filled with polyurethane joint sealant meeting the requirements mentioned in BS-5212, BS 4254 and EN-141875-2003 with minimum movement accommodation factor MAF of +/- 30%. complete all as specified and as directed.

Material & Labour for repairs to 10mm to 25mm existing construction joints of concrete pavement by racking out of old existing sealant compound, back up rod and filler board of the existing joints by special tools like racker/cutting blades/machines , widening of joints by 2 mm by using joint cutting blades of appropriate size, straight and smooth edges. Joint cleaned thoroughly with application of compressed air. Joint shall be made dry, vacuum cleaned and free of dirt, oil, vegetation and other debris Application of two coats of primer with thin brush by forward and backward movement at an interval of 30 minutes before placing the filler board and pouring the sealant Thereafter filled with pre-molded 25 mm thick compressible polyethylene closed cell type filler board as specified , over it filled with closed cell medium density, cross linked polyethylene foam backup rod of 25 mm to 35mm dia for complete length of the joint. Finally filled with polyurethane joint sealant meeting the requirements mentioned in BS-5212, BS 4254 and EN-141875-2003 with minimum movement accommodation factor MAF of +/- 30%. complete all as specified and as directed.

Material & Labour for repairs to 25mm to 40mm existing expansion joints of concrete pavement by racking out of old existing sealant compound, back up rod and filler board of the existing joints by special tools like racker/cutting blades/machines , widening of joints by 2 mm by using joint cutting blades of appropriate size, straight and smooth edges. Joint cleaned thoroughly with application of compressed air. Joint shall be made dry, vacuum cleaned and free of dirt, oil, vegetation and other debris Application of two coats of primer with thin brush by forward and backward movement at an interval of 30 minutes before placing the filler board and pouring the sealant Thereafter filled with pre-molded 25 mm thick compressible polyethylene closed cell type filler board as specified , over it filled with closed cell medium density, cross linked polyethylene foam backup rod of 25 mm to 35mm dia for complete length of the joint. Finally filled with polyurethane joint sealant meeting the requirements mentioned in BS-5212, BS 4254 and EN-141875-2003 with minimum movement accommodation factor MAF of +/- 30%. complete all as specified and as directed.

Material & Labour for applying One coat of Water Based Road marking Paint after preparation of old surfaces as per manufacturer's instructions for making lines, dashes, arrows, letters etc. on bituminous/concrete roads, pavement, runways and other simillar surfaces exc. 10 cm width or girth, with road marking paint/traffic paint (water based) conforming to the requirements of IS-164 (1981) of White, Golden, Yellow, Deep Orange, PO Red and Black Tint or any other shade (thickness in micron not less than DFT 50 micron) as approved by the GE in consulation with AF Authoriities/Users by using fully/semi automatic paint applicator machine (using cold air less spray/striper machine with minimum two spray guns) with and including scraping existing water based paint/reflective paint manually by wire brushes, steel scrappers, brooming down the surface and removing the debries outside the runway area complete all as specified and as directed.

Material & Labour for applying road marking strips with water born paint (WBP) having DFT 240 micron (retoreflective), by using fully/semi automatic paint applicator machine (using cold airless spray/striper machine with minimum two spray guns), driven by experienced operater on road surface, including application of high index glass beads @ 300 gms per square metre (TTB1325 Type-III) after cleaning the road surface of all dirt, oil, grease, foreign material etc, in accordance with applicable specifications on bituminous surface/concrete, colour of paint shall be white/yellow/Black/Red or any colour as approved by the GE in consultation with AF Authorities, marking surfaces exceeding 10 cm in width or girth complete all as specified and as directed.