REPAIR TO JOINT FILLING AND MISC WORK AT ALGS MECHUKA AND TUTING UNDER GE (AF) JORHAT

Amount

Racking out of old existing sealant compound and back up rod of the existing dummy joints by special tools like cutting blades/machines, widening of joints by 2mm with 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. Thereafte filled with closed cell, medium density, cross linked polyethylene foam backup rod of 8mm 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 as directed.

Racking out of old existing sealant compound and back up rod of the existing construction joints by special tools like cutting blades/machines, widening of joints by 2mm 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 12mm 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 as directed.

Racking out of old existing sealant compound, back up rod and filler board of the existing expansion joints by special tools like racker/cutting blades/machines, widening of joints by 2mm with 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 25mm 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 30mm 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 directed.

M&L for making good/ repair to potholes in concrete slabs (exposed rigid pavement) by cutting area exceeding 50 Sqcm and 25mm to 35mm deep and cutting spilled joint, sides perpendicular and parallel to edges by mechnical tools like diamond cutter, cleaning with compressed air under pressure and filling with epoxy resing mortar in the ratio of 1:5 (i.e. one part of epoxy and five part of sand) after application of specified resin primer and removal to rubbish to a distance exceeding 250m and not exceeding 500m and depositing complete all as specified and directed. Note : Application of epoxy to be done through authorised Applicator

M&L for preparation and cleaning existing asphaltic / concrete surface by brushing with plastic wire brushes for removing all dust and dirt and applying one coat of road marking paint (Aqua base) white/golden yellow/orange/black for paint over main runway area taxi lines, holding point, ORP, turn pad, dispersal, signal square, wind direction indicator base, letters, oblitration etc width or girth exceeding 100mm complete all as specified and as directed.

Cutting and cleaning of grown vegitation as in edges not exceeding width of 1.5m alongwith runway drain including removal and disposal of the grass/ vegatation to a distance exceeding 250m but not exceeding 500m complete all as specified and directed. Note : Cleaning of area vegatation shall be as per users requirement viz. once before mansoon and after mansoon or as per necessitated and as directed

Cleaning of existing monsoon drains of avg depth not exceeding 1.00m, by removal of silt, sludge, etc. from drain bed, to ensure free flow of storm water including disposal of silt, dludge etc from drain bed to a distance exceeding 250m but not exceeding 500m complete all as specified and as directed.

M/S N M TRADERS

PEE BEE INDIA

A K DUTTA CHOWDHURY AND CO

satyabhama and co

MridulCh Baruah

Bidder Name

A K DUTTA CHOWDHURY AND CO

satyabhama and co

M/S N M TRADERS

PEE BEE INDIA

M/S AJOY DUTTA CHOWDHURY & CO

MridulCh Baruah