REPAIR TO JOINT FILLING AND SIGNAGE BOARD AT TAXI TRACK IN SOUTH AND NORTH LOOP IN TECH AREA AT AFS BHISIANA

Material and labour for Racking out of old existing sealant compound and back up rod of the existing joints by special tools like 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 pacing the backup rod and pouring the sealant. Thereafter filled with closed cell, medium density, cross linked polyethylene foam backup rod of 8 mm dia for complete length of the joint, over it to be 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 directed by Engr-in-Charge.

Material and labour for Racking out of old existing sealant compound and back up rod of the existing joints by special tools like 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 pouring the sealant Thereafter filled with closed cell medium density, cross linked polyethylene foam backup rod of 12 mm dia for complete length of the joint, over it to be 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 directed by Engr-in-Charge.

Material and labour for Racking out of old existing sealant compound, back up rod and filler board of the existing joints by specia 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 30 mm dia and above as required 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 directed by Engr-in-Charge. Note: 01 to 03 item: (i) Rate quoted by bidder is deemed to be inclusive of all the equipment for removing old sealant and filling the sealant. Also, rate quoted is deemed to be inclusive of sealant, backup rod and filler board. (ii) Any joint of width if exceeding 25mm would also be measured under this item. The quoted rates would deemed to have included this item.

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 of Hindustan CIBA, SIKAA or Dell patch/NG Patch complete all as specified and directed by Engr-in-Charge.

Material and labour for repair to pot holes depth & girth upto 25mm 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.

Material and labour Repair to pot holes depth & 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 Engr-in-Charge.

Maintenance and clearance of shoulders of air field by cutting grass, vegetation, shrubs, bushes, small trees using Jungle Jim on hired basis including tractor & drivers pay from 0800 hrs onwards and removal of rubbish complete all as specified and as directed by Engr-in-Charge. Note: (a) According to ATC requirement, 02 tractors shall be used for Jungle Jim in a day or as and when required and directed by Engr-in-Charge. (b) Documents of all tractor used for jungle jim should be updated including licence and entry pass of drivers and kept in safe cutody with Engr-in-Charge. (c) Payment to contractor shall only be made after verifing the entry and exist timing, fuel consumption register to ascertain number of hours of running and daily running register duly signed by user.

Maintenance and clearance of shoulders of Air Field by cutting grass, vegetation, shrubs, bushes, small tress using manual grass cutting/scraping by motor driver bush cutters/ grass cutting machine along with manual laboures near traffic lights on shoulders of Runway where non accessible by Jungle Jim and removal of rubbish where directed complete all as specified and as directed by Engr-in-Charge.

Material and labour for replacement of visible signage board, Signage Board shall be made of engineering plastic, having monolithic structure to withstand temperature variations from extreme cold environments to sweatering hot conditions and meet the frangibility requirements specified for objects in runway strip. Structure specially reinforced with Antimony Trioxide and Methyl Amine Acrylate to withstand high velocity winds. sheet size 3.75m x 0.45m, inside acrylic sheet 01mm thick and outer side perspex transparent sheet 03mm thick required, fixed with frame made of aluminium square section Inside the acrylic sheet numbers/letters/digit/sign/lines as per sample (provided by ATC), on base with reflective tape & sticker on 01mm acrylic sheet and covered with transparent perspex sheets 03mm thick & rubber beading complete as per directed. Three frangible metalic feet 0.45m high from ground level and 0.45m grouted in earth with PCC 1:2:4 of size 0.45mX0.45mX0.45m depth (All above connected items deemed to be included in quoted rate and bidder can visit the site before quoting the rate).