COMPREHENSIVE MAINTENANCE AND PERIODIC PAINTING OF BITUMINOUS SECTION OF THE RUNWAY INCLUDING RUBBER REMOVAL FROM RUNWAY SURFACES AND CONNECTING WORKS AT INS UTKROSH, SRI VIJAYA PURAM

Cleaning / removing the rubber particles from runway surface (Touch down points of Aircraft) by RUBBER REMOVAL EQUIPMENT and washing down the waste with water pressure (without disturbing the original surface) and removing the waste using vaccum cleaner so that surface is ready for operation and Performing Skid resistance test with PORTABLE SKID RESISTANCE TESTER (PSRT) on the rubber removed surface at the Touch down area of Aircraft @ 5.00 m c/c on both side ( Eastern / Western side ) of the center line of runway in a span of 15.00 m total width and for a given runway length of 300 m with the help of Portable BRITISH PENDULUM TESTER all as specified and directed.all as specified and directed by Engr-in-charge. Note : (a) The rubber removal is done by rubber removal equipment as per direction of Engineer-in-Charge and prior approval shall be taken from Garrison Engineer. (b) Caliberation test certificate of PSRT should be submitted for the test equipment before performing the test. (c) The rubber remvoal shall be preferably done during pre-monsoon and post monsoon period. (d) The PSRT test is to be carried out on Touch down area of runway surface at flexible as well as rigid pavements within one week of rubber removal process so as to ascertain friction value of cleaned surface. (e) The test should be performed by the qualified technician who have prior experience in this field. The test shall be conducted five times at one location and avg reading shall be considered. (f) The test report in duplicate should be submitted in hard copy as per standard format or as prescribed. (g) The Air-field is operational. So, the work shall be done durin Non - flying hours during day or night as per the direction of Engineer-in-Charge and guidelines of user & ATC.

M & L for Periodic cutting of Grass with the help of Hand held Grass cutting Machine of reputed Make for Cutting and Sweeping Grass after cutting of Grass, bushes, small plants of any type along the sides of Dispersal Area, Taxi Track, Runway, Shoulders and Airfield areas throughout the contract period, including supply of Fuel, lubricants, spares, renewal of blades as required including maintenance and repairs to Machine and trade insurance and license fees including removing of debris to a distance exceeding 250m but not exceeding 500m from the site complete all as directed. Note : The rate quoted shall be deemed to be considering following provisions and nothing shall be paid extra on this account. [a] Area of Grass cutting shall be as decided by the Engineer-in-Charge and representative of users as and when required basis. [b] Periodicity of grass cutting, will be as directed by the Engineer-in-Charge in consultation with users. For this purpose, the tenderer shall maintain a register indicating the details of location, date, area, signature of Engineer-in-Charge, user's representative and Contractor. [c] The grass shall be cut so that the protruding grass shall not be more than 15mm above ground level and disposal as directed. [d] The work is required to be executed in highly restricted area along Main Runway. Therefore, the work shall be executed during non-flying hours either during Day or Night without causing any disturbance for flying. Proper safety arrangement, equipment shall be provided by the contractor for workmen. [e] On any of the days if the grass cutting team of labours does not attend the site complaint on the same day. Failing which a penalty of Rs. 2000 per 08 hours shall be levied and the decision of GE in this regard will be final and binding.

M & L preparation of existing surfaces of Taxiway Marking and Turning Pads of Runway surfaces of all dirt, scales, oil grease and foreign materials etc. and Painting Lines, Dashes, Arrows, Letters etc. and the like exceeding 10 cm width or girth (Retro Reflective Type) of color yellow with white and black borders, cold applied type, applied by skilled painter manually or with mechnical applicator of wet film thickness of 400 microns in single coat and dry film thickness of 200 microns and coverage @ the rate of 0.4 to 0.5 litres per square meter and application of drop on Glass beads Type IV (Reflective Index 1.5) @ 50 Grams per square meter complete all as specified and directed

M & L for preparation of existing bituminous / concrete surfaces of all dirt, scales, oil grease and foreign materials etc. and Painting Lines, Dashes, Arrows, Letters, etc. on Roads / Pavements / Runway / Dispersal / Taxi Tracks and the like exceeding 10cm width or girth with two Coats of Water based Acrylic Runway marking paint of colour White or Golden Yellow or Yellow or Black or Red complete all as specified and as directed. Note: [a] The rate quoted shall be deemed to be considering following provisions and nothing shall be paid extra on this account. [b] Periodicity of painting, will be as decided by the Engineer-in-Charge in consultation with users. For this purpose, the tenderer shall maintain a register indicating the details of location, date, area, signature of Engineer-in-Charge, user's representative and Contractor. [c] The work is required to be executed in highly restricted area along Main Runway. Therefore, the work shall be executed during non-flying hours either during Day or Night without causing any disturbance for flying. Proper safety arrangement, equipment shall be provided by the contractor for workmen.

Demolition of precast concrete block walling built in cement mortar complete all specified and directed.

Demolition of Cement Concrete (un-reinforced) of any description and in any position not otherwise specifically provided for complete all as specified and directed by Engineer-in-Charge.

Demolition of Cement Concrete (reinforced) of any description and in any position not otherwise specifically provided for complete all as specified and directed by Engineer-in-Charge.

M & L for providing precast cement concrete Type B1 1:2:4 using 20mm graded aggregate as in landings, cover slabs (for man holes etc.) chullah hoods, chajjas, water troughs, mangers, shelves and similar articles with plain faces using required form work for fair finished surfaces complete all as specified and directed by Engineer-in-Charge.

M & L for Mild steel bars 10mm dia and over, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips complete all as specified and directed.

M & L for Mild steel bars 5mm dia and over upto and including 10mm dia as in stirrups, spacers and binders, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips complete all as specified and directed.