REPAIRS TO CONSTRCTION EXPANSION JOINTS, REMOVAL OF RUBBER DEPOSITS APPLYING OF PME AND PAINTING ON RUNWAY AND DISPERSAL AT INS DEGA UNDER GE ND, VISAKHAPATNAM

Amount

M & L for complete removal of existing Rubber Deposits of any thickness from Runway pavement surfaces using Water Blasting-cum-Vacuum system with suitable operating pressure without damaging the existing runway pavement surface and maintaining the texture and surface condition of the pavement intact all as specified and as directed. Note: Friction Test shall be measured and paid separately.

M & L for two coats of Polymer Modified Emulsion [PME], cold applied by using mechanical sprayer duly diluted with water in the ratio 1:1 [PME : Water], applied at the rate of 1 litre of diluted mix per square metre per coat and ensuring uniform coverage and finish on applied area including necessary preparation of runway pavement surfaces by sweeping clean with brooms and finally fanning the surfaces with Air blower to remove all loose particles, dirt, dust, etc., complete all as per manufacturer instructions, all as specified and as directed. Notes: [a] The work shall be got carried out by the manufacturer or his authorised applicator only. [b] Friction Test shall be measured and paid separately.

M & L for Preparing the existing black top surfaces by brushing with wire brushes for removing caked mud, etc., sweeping with brooms and finally fanning the surfaces with Air blower to remove all loose particles, dirt, dust, etc. and providing two coats of Polymer Modified Emulsion [PME], cold applied by using mechanical sprayer duly diluted with water in the ratio 1:1 [PME : Water], applied at the rate of 1 litre of diluted mix per square metre per coat and ensuring uniform coverage and finish on applied area complete all as per manufacturer instructions, all as specified and as directed. Note: The work shall be got carried out by the manufacturer or his authorised applicator only.

M & L for Painting Lines, Dashes, Arrows, Letters, etc. by mechanical Airless sprayer unit to achieve requisite finish with Water based Acrylic Runway marking paint of White or Golden Yellow colour [as per existing colour] on old painted bituminous / concrete Roads, Pavements and the like exceeding 10cm width or girth including necessary preparation of surfaces by using Air blower to remove all dirt, scales, oil grease and foreign materials, etc. complete all as specified and as directed.

M & L for preparation of existing surfaces of Taxiway Marking and Turning Pads of Runway by using Water Blasting-cum-Vacuume system with suitable operating pressure to remove total paint deposits from the pavement surface without damaging the existing runway surface and maintaining the texture and surface condition of the pavement intact and Painting Lines, Dashes, Arrows, Letters, etc. and the like exceeding 10cm width or girth [Retro Reflective Type] of colour Yellow with White or Black Borders, Cold applied type, applied by skilled painter / applicator of wet film thickness of 400 microns in single coat and dry film thickness of 200 micron and coverage @ the rate of 0.4 to 0.5 Litres per Square Metre and application of drop on Glass Beads Type IV [Reflective Index 1.5] @ 350 Grams per Square Metre complete all as specified and as directed.

M & L for Racking out existing Bituminous Sealant from Expansion Joints to a depth of at least 30mm, cleaning edges up to a depth of at least 15 mm by scrapping / grinding by mechanical means to expose the concrete surfaces, Placing PVC Foam Baker Bar of 25 mm dia, inserting the same to keep a clear depth of 10 mm from top of pavement, applying epoxy based primer compound to the sides of joint from Baker Bar to the top of pavement, applying polyurethane sealant mixed thoroughly by stirring with Palette Knife and applying the same to the joint to a depth of 10 mm up to the top of pavement in Expansion Joints of 20 mm width complete all as per manufacturer's instructions and as directed. Make: M/s. Fosroc Chemicals / M/s. Sika India Pvt. Ltd. / M/s. STP Ltd. / M/s. Choksey Chemicals Pvt. Ltd. / M/s Bostik India Pvt. Ltd.

All as per Serial Item No. 6 above but Construction Joints to a depth of at least 20mm and using Baker Bar of 15 mm dia and Construction Joints of 12 mm width complete all as per manufacturer's instructions and as directed. Make: M/s. Fosroc Chemicals / M/s. Sika India Pvt. Ltd. / M/s. STP Ltd. / M/s. Choksey Chemicals Pvt. Ltd. / M/s Bostik India Pvt. Ltd.

Dismantling carefully Cracked Rigid Surface of concrete patches by using mechanical cutter like diamond cutter of average depth 15 mm, sweeping, cleaning with compressed air, removal of all loose particles up to a distance exceeding 250m but not exceeding 500m and filling with a Mix of Epoxy Resin and Epoxy Hardener Compound in 2:1 ratio mixed thoroughly with Quartz Sand [3Kg/Mix] [Total mix will be 2:1:3] including applying a coat of Epoxy Resin on the finished top surface complete all as per manufacturer’s instructions and as directed. Make: M/s. Fosroc Chemicals / M/s. Sika India Pvt. Ltd. / M/s. STP Ltd. / M/s. Choksey Chemicals Pvt. Ltd. / M/s Bostik India Pvt. Ltd.

M & L for conducting of Friction Tests for Flexible & Rigid Pavement with Portable Skid Resistant Tester [PSRT] Machine and shall be carried out by qualified and experienced Engineer at the locations as shown by the user representative and as directed by Engineer-in-Charge. Note: [a] The test shall be conducted before and after the rubber removal to ascertain friction developed. [b] The tests shall be conducted five times at one location and average reading shall be considered. [c] The test shall be conducted in non-flying time as per guidelines of the ATC. [d] The test results shall be submitted in triplicate. [e] The rate quoted shall be deemed to be included for conducting five tests at Each location and nothing extra shall be paid on this account.

Sri Surya Enterprises

GAGANSRI INFRA

SOUTHERN BUILDERS

S A R CONSTRUCTIONS

M/S SRI VENKATA BHAVANI CONSTRUCTIONS

NEW GURBINDER INDUSTRIES

M/s Kirti Enterprises

lakshmibuilders