AAI Cargo Logistics And Allied Services Company Limited Tender

Dismantling and removing the existing mastic flooring and disposing of debris within 50m lead and as directed Engineer-in-charge.

4mm thick Polyurethane concrete flooring Providing and applying Cementitious polyurethane floor topping at thickness of 4mm using Fosroc Nitoflor SL 3000 UT a three-component product or equivalent. A forced-action rotary paddle mixer is recommended for the mixing the product. Topping applied at 3mm thickness over a scratch coat with Nitoflor SL 3000 UT or equivalent of 1mm to the designated area and shall have smooth matt finish, including treating the edges of joint with appropriate profile for taking dianomic continuous wheel loads etc complete as per manufacturer specification and as per directed by Engineer-in-charge. On cured shall exhibits the following: Compressive Strength (ASTM C109) 28 days at 50.8 MPA, Tensile strength (BS6319-7) 6.8MPA, Flexural strength (BS6319-3)17.9 MPA, slip resistance (ASTM E303) Dry, S56/S96-22/32 (moderate slip risk), Impact Resistance (ASTM D2794), 8.1 Joules, high resistance to damage. Ensure that the construction, control joint and other anchorage grooves of as per manufacturer specification are fully wetted out with material at the edges, day joints, up-stands, drain, doorways and at regular points across the floor and all debris removed, including surface preparation. Surface preparation Preparing the existing surface of floor by short blasting/ scarification and cleaning by wire brushing etc, to remove all dirt, dust, oil etc to expose clean sound base concrete. Cost shall include treatment of construction and control joints filling as per manufacturer's specification and direction of Engineer-in-charge. Any imperfections in the concrete shall be treated with suitable epoxy/ polyurethane system as per manufacturer specification which shall be paid separately.

6mm thick Polyurethane concrete flooring Providing and applying Cementitious polyurethane floor topping at thickness of 6mm using Fosroc Nitoflor SL 3000 UT a three-component product or equivalent. A forced-action rotary paddle mixer is recommended for the mixing the product. Topping applied at 5mm thickness over a scratch coat with Nitoflor SL 3000 UT or equivalent of 1mm to the designated area and shall have smooth matt finish, including treating the edges of joint with appropriate profile for taking dianomic continuous wheel loads etc complete as per manufacturer specification and as per directed by Engineer-in-charge. On cured shall exhibits the following: Compressive Strength (ASTM C109) 28 days at 50.8 MPA, Tensile strength (BS6319-7) 6.8MPA, Flexural strength (BS6319-3)17.9 MPA, slip resistance (ASTM E303) Dry,S56/S96-22/32 (moderate slip risk), Impact Resistance (ASTM D2794), 8.1 Joules, high resistance to damage. Ensure that the construction, control joint and other anchorage grooves of as per manufacturer specification are fully wetted out with material at the edges, day joints, up-stands, drain, doorways and at regular points across the floor and all debris removed, including surface preparation. Surface preparation Preparing the existing surface of floor by short blasting/ scarification and cleaning by wire brushing etc, to remove all dirt, dust, oil etc to expose clean sound base concrete. Cost shall include treatment of construction and control joints filling as per manufacturer's specification and direction of Engineer-in-charge. Any imperfections in the concrete shall be treated with suitable epoxy/ polyurethane system as per manufacturer specification which shall be paid separately.