MAINTENANCE/ REPAIR OF PU JOINT FILLING, EPOXY AND ELASTOMERIC ON TAXI TRACK, PTT, DISPERSAL IN TECH AREA AT AF STATION BHISIANA UNDER GE (AF) BHISIANA

Amount

Material and labour for raking out existing filling PU/Bitumen(Grade-B) material in expansion, construction and dummy joints of width exceeding 08mm but not exc 12mm and required depth as specified by special tools like concrete cutter, wire/coir brushes/machines and joint cleaned thoroughly with application of compressed air, making free from all the loose material i.e. dirt, dust, grease existing sealing compound, filler board (as required), including sticked material of existing compound racked upto full depth (up to 40mm) of joints etc to entire satisfaction of Engr-in-Charge and filling the joint with polyurethane joint sealant compound using mechanical means with depth of joint sealing compound 10- 12 mm (depth minimum above the backup rod) with minimum movement accommodation factor (MAF) ± 30% conforming to the requirements of BS-5212 and EN-141875-2003 for Hydrolysis/ water resistance test including two coats of primer and filling the balance racked depth of joint with backup material i.e closed cell polyethylene to ensure tight packing, so that no gaps or void exist at the top of backup material separated by bond breaker tape over suitable size HD 100filler board in position where required and applying masking tape on edge of joint to prevent accidental slippage of sealant on top surfaces to give a neat finish to the sealant and remove the masking tape after sealant is applied as required complete as per manufacturer's instructions complete all as specified and directed by Engr-in-Charge.

All as per Srl item No 1 above but joint of width exc 20mm and not exc 25mm.

All as per Srl item No 1 above but joint of width exc 25mm and not exc 30mm.

All as per Srl item No 1 above but joint of width exc 30mm and not exc 35mm.

All as per Srl item No 1 above but joint of width exc 35mm and not exc 40mm.

All as per Srl item No 1 above but joint of width exc 40mm and not exc 45mm.

Material and labour for repair to top out spelled joints, broken corners and pot holes in concrete slab by chiseling/mechical cutter to provide regular prismatic cavity with sides perpendicular and cleaning off all loose or broken materials to a distance exc 50m and not exceeding 100metre. Cleaning and washing the surface and application of surface treatment with Epoxy complete all as specified and directed by Engineer-in-Charge.

Material and labour in repair to pot holes depth and girth upto 25mm in concrete slab, cleaning the pot holes with electric blower to remove the dust particles and applying primer properly and leave for 30 minutes for settle down and fill with elastomeric concrete as per manufacturer instructions and compacted with tools complete all as specified and directed by Engineer-in-Charge.

Material and labour in repair to pot holes depth and girth 25 to 50mm in concrete slab, cleaning the potholes with electric blower to remove the dust particles and applying primer properly and leave for 30 minutes for settle down and fill with elastomeric concrete as per manufacturer instructions and compacted with tools complete all as specified and directed by Engineer-in-Charge.

NEW GURBINDER INDUSTRIES (BID ID -3071920)

M/s Luxmi Constructions (BID ID -3069455)