REPAIR TO RIGID/FLEXIBLE PAVEMENT OF RUNWAY, CRACK FILLING AND PAINTING OF RUNWAY AT STATION UNDER GE(AF) CHABUA

Amount

M&L for raking of joint/removing old any sealing compound, dirt from EXPANSION JOINTS 20mm wide (+ 3 mm) and 40 mm deep, cleaning the joint sides properly by mechenical means with diamond cutter,filling the joints with closed cell, medium density, cross linked polyethene foam backup rod of 20mm dia and applying bond breaker tape on top of backup rod for complete width of the joints, priming top with specified primer suitable for polysulfied sealing compound and filling polysulfied based sealent, 10 mm thick including using masking tape on edges of joints to avoid accidental spillage of sealent on top of surface of pavements complete all as specified and directed.

M&L for raking of joints/removing old any sealing compound, dirt from DUMMY/CONSTRUCTION JOINTS 10 mm wide (+ 3 mm) and 30 mm deep, cleaning the joint sides properly by mechenical means with diamond cutter ,filling the joints with closed cell, medium density, cross linked polyethene foam backup rod of 10 mm dia and applying bond breaker tape on top of backup rod for complete width of the joints,priming top with specified primer suitable for polysulfied sealing compound and filling polysulfied based sealent, 10 mm thick including using masking tape on edges of joints to avoid accidental spillage of sealent on top of surface of pavements complete all as specified and directed.

M&L for raking of joints/removing old any sealing compound, dirt ,upto a average depth of 30 mm from DUMMY/CONSTRUCTION JOINTS of a average width 12 mm, (+ 3 mm) cleaning the joint sides properly by mechenical means with diamond cutter,filling the joints with closed cell, medium density, cross linked polyethene foam backup rod of 12 mm dia and applying bond breaker tape on top of backup rod for complete width of the joints,priming top with specified primer suitable for polysulfied sealing compound and filling polysulfied based sealent, 13 mm thick including using masking tape on edges of joints to avoid accidental spillage of sealent on top of surface of pavements complete all as specified and directed.

M&L for making good cracks/repair in Concrete slabs (exposed rigid pavement ) by cutting 30 mm to 40 mm deep and cutting spilled joint, sides perpendicullar and parallal to edges by mechenical tools like dimond cutter,cleaning with compressed air under pressure and filling with Elastomeric concrete after application of specified primer all as per manufactures instruction and specifications complete and removal of rubbish to a distance exc 250 m and nexc 500 m and depositing complete all as specified and as directed by the Engr-in-Charge.

M & L for preparation of old painted surface of concrete/flexible pavement and applying one coat of road marking paint / water based grade-2 conforming to IS 164-1981 (white, Yellow, Black and Orange, etc) as in 102 Sqn Dispersal, PTT, tech flt dispersal, loops/links etc complete all as specified and as directed. (The work may be ordered six times during currency of the contract) (Each coat will be measured and paid separately if directed in the writting for additional coat).

M & L preparing old black top surfaces by brushing with wire brushes for removing any foreign objects or other stone pieces /vegetations etc and sweeping with brooms and finally cleaning with air compressor, making the surface free from dust and appying polymer modified bitumen emulsion PMBEs by spraying with conventional tractor mounted bitumen sprayer, complete for uniform apllication with undiluted quantity of PMBEs @ 1.0 litres/sqm mix with water in 1:1 ratio and provide uniform finish to runway complete all as per manufactures instruction and as specified and as directed . Note:- (a) The work shall be carried out after filling of pores, pin/pot holes of area not exc 491 sqmm each and filled with ready mix Dense asphaltic concrete (DAC) and finished properly to match with existing flexible portion of runway and to be executed one day before placing of polymer modified emulsion, and rate will be inclusive in quoted rate. (b) Contractor shall produce original purchase voucher of PMBEs from authorised dealer. (c) Contracotor shall bring the materials and to be incorperated after checking the consignment by Engr in charge. (d) Runway surface friction will be tested by the contractor prior and after the application of PMBEs and rates thereof shall included in the unit rate of this item. (e) Arrangement for protection of centre line lights to be made before application of bitumen emulsion. Any damage to centre line light to be reapir at his own cost. (f) Protection to centre line painting to be arranged by the contractor and cost of it will be included in quoted rate. (g) Any spillage of bitumen emulsion over existing centre line paint and centre line light to be removed by the contractor and cost of it wiil be included in quoted rate.

Prova Stores

M/S MAHATO ENTERPRISE

M/s KL Agarwalla & Co

M/S D P BERLIA

M/S R & R D ENTERPRISES

M/s Krishna Construction

M/s United Builders