GAIL India Limited Tender

leaning the grit wash surface and removing dirt, dust, bird dropping, grease, oil, algae, fungus, monkey beats, vegetable growth etc., including providing, applying and washing the surface with liquid Ammonia Chemical of 5% solution and other chemical cleaning agent as approved by Engineer-in-charge, of approved brand and manufacturer, with the help of required scrubbers and also cleaning with machine operated water jet mixed with desired quantity of fine silica where ever required, without causing any scratching/ damage to the stone surface and finally washing the surface with clean water with the help of pressure jet machine, complete in all respect, including taking all precautions to safeguard ventilators, windows, doors etc. by suitable covering so as to avoid any damage to the building/structure, all as per direction of Engineerin- charge (The rate is inclusive of all materials & labours involved including scaffolding).

Applying breathable, non-reactive, antifungal, and water repellant Silane/Siloxane chemical of approved brand and manufacture,without dilution on the existing grit wash masonry surface (coating cofficient included in rate) with two or more coats to give uniform application of chemical on the surface, all complete as per manufacturer's specification and direction of Engineer-In-charge (The rate is inclusive of all materials & labours involved including scaffolding). APPROVED MAKE: Dr. Fixit (Repellin WR), Sika (Sikagard®-72 W), DCP (Repelicone L), Fosroc (Nitocote SN502)

Repair of cracks in Grit wash plaster and its grooves using readymade crack repair putty of approved make as per direction of Engineer-in-Charge.

Finishing walls with Premium Acrylic Smooth exterior paint of required shade : (Make: Asian,Nerolac,Berger)

New work (Two or more coat applied @ 1.67 ltr/10 sqm over and including priming coat of exterior primer applied @ 0.90 litre/10 sqm)