Name of Work:- REPAIR TO RUNWAY SURFACE, DISPERSAL, PTT BY USING PME AND MOSS REMOVAL AT INS HANSA UNDER GE (NW) VASCO
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Item Description
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M&L for preparation of old black top surface by brushing with wire brushes for removing caked mud etc sweeping with brooms and finally fanning the cleaned surface with air blower to remove loose dirt etc. complete and apply cold polymer modified emulsion (PME) by using mechanical spraying of total cold liquid PME 1 ltr per sqm (undiluted) for two coats with mineral filler as recommended by manufacturer of PME (after diluting with water), each coat diluted in the ratio 1:1 (PME: WATER) and ensure uniform finish of applied flight strips complete all as per manufactcurer instructions all as specified and directed by Engr-in-Charge
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Note: The tenderer shall take into consideration for the following points while quoating for the tender(a) Due care shall be taken for friction parameters during application of PME as per ICAO DOC 9137 Part 2 standard.(b) The work shall be carried out through authorized and qualified applicators of the manufacturer(c) Care shall be taken to fill gap/ cracks with 0.6 mm to 2.36 mm size coarse sand with mineral filler as per manufacturers instructions and quoated rate is deemed to included for repair of gap / cracks(d) A performance gurantee certificate for two years shall be submitted by the contractor to the GE on completion of the work specified.(e)No price adjustment shall be applicable if excess/ wastage quantity of bitumen emulsion than that mentioned above is used depending upon the surface to be treated.(f)Removel of dust/ FOD occured during shall be done as directed. (g)Majority of the works to be carried out during night time, bidder should arrange proper illumination for execution of the work
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Removel of conflict paint , markings on Apron & runway surface using water blasting cum vacuuming system with suitable operating pressure so that total paint removed from runway both (rigid & flexible) surfaces without damaging the existing surface using SH 5000 StripeHog machine or equivalant machine all as specified and as directed by Engr-in-Charge.
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Note: (a) The surface of both concrete / bitumen (rigid/ flexible ) shall not get any kind of damage during the process of paint removal nor to any adjoining areas, joint filling etc. Damages made if any, shall be made good by the contractor without any extra cost complete all as specified and as directed by Engr-in-Charge.(b) Work shall be carried out in phase manner as per availability of runways for maintanance.(c) Total paint should be removed and debris/ water acuumed simultaneously leaving no FOD so that the eunway is available for operation(d)The machine make to be deployed for runway rubber removal should have E-in-C approval eg SH 8000, SH5000 or equivalant machine all as specified and directed by Engr-in-Charge(e)In any emergency condition the machine should exit from runway in less than two minutes without leaving any FOD.(f)Majority of the works to be carried out during night time, bidder should arrange proper illumination for execution of the work
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Removal of Moss/ Algae deposits on Apron and Runway surface using water blasting cum vacuuming system with suitable operating pressure using SH 5000 stripeHog machine or equivalent machine all as specified and directed by Engr-in-Charge
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Note: (a) The surface of both concrete / bitumen (rigid/ flexible ) shall not get any kind of damage during the process of moss/ algae removal nor to any adjoining areas, joint filling etc. Damages made if any, shall be made good by the contractor without any extra cost complete all as specified and as directed by Engr-in-Charge.(b) Work shall be carried out in phase manner as per availability of runways for maintanance.(c) The moss/ Algae should be removed and debris/ water acuumed simultaneously leaving no FOD so that the eunway is available for operation immediately(d)The machine make to be deployed for runway rubber removal should have E-in-C approval eg SH 8000 SH5000 or equivalent machine all as specified and directed by Engr-in-Charge(e)In any emergency condition the machine should exit from runway in less than two minutes without leaving any FOD.(f) Majority of works to be carried out during night time bidder should arrange proper illumination for execution of the work(g) Rate of application of high pressure water between 350 to 750 kg/ cm(h) The work shall be commenced within 15 days of request by user and shall be completed within 30 days of the intimation. if the Contractor fails to finish the work within the stipulated time frame appropriate penalty will be imposed on Contractor/ firm as per procedure in vouge Please Enable Macros to View BoQ information
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