Repair to Joint Filling and Painting to Dispersal, Runway and connected work at Airfield at INS Dega Under GE ND, Visakhapatnam

Amount

M & L for removal of Rubber Deposits on Runway surfaces using Water Blasting-cum-Vacuume system with suitable operating pressure to remove total rubber deposits from the pavement surface without damaging the existing runway surface and maintaining the texture and surface condition of the pavement intact and applying evenly a coat of Cold applied Polymer Modified Emulsion [PME] by using mechanical sprayer, at the rate of Cold Liquid PME 1.00 Litre per Square Metre [undiluted] for two coats [after diluting with water], each coat diluted in the ratio 1:1 [PME : Water], ensuring uniform coverage and finish on applied area complete all as per manufacturer instructions and all as specified and as directed. Note: [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 Prepared black top surfaces by brushing with wire brushes for removing caked mud etc. sweeping with brooms and finally fanning the cleaned surfaces with compressed air to remove all dirt etc. and applying evenly a coat of Cold applied Polymer Modified Emulsion [PME] by using mechanical sprayer, at the rate of Cold Liquid PME 1.00 Litre per Square Metre [undiluted] for two coats [after diluting with water], each coat diluted in the ratio 1:1 [PME : Water], ensuring uniform coverage and finish on applied area complete all as per manufacturer instructions and all as specified and as directed. Note: [a] The work shall be got carried out by the manufacturer or his authorised applicator only.

M & L for preparation of old painted bituminous / concrete surfaces, cleaning the surfaces by removing all dirt, scales, oil grease and foreign materials etc. and Painting Lines, Dashes, Arrows, Letters, etc. on Road, Pavements and the like exceeding 10cm width or girth with One Coat Water based Acrylic Runway marking paint of colour White or Golden Yellow 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. 5 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 Friction Test for Flexible & Rigid Pavement with PSRT [Portable Skid Resistant Tester] Machine and shall be carried out by qualified and experienced Engineer at the places 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 place 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 one place and nothing extra shall be paid on this account.

Ruchira Associates

Sai Lakshmi Constructions

KONERU NARENDRA

Sri Venkateswara Constructions

NEW GURBINDER INDUSTRIES