Tamil Nadu Maritime Board Tender

Dismantling Pressed tiles, weathering Course and removing debris from the the site as instructed by the Board Engineers etc., complete.

Providing and grouting with single component Polyurethane Foam injection grout at dripping leakage points, grout mixed at ratio of 10:1 (10 parts of Resin: 1 part accelerator) at the rate of 0.40kg/nozzle which will foam after reaction with water/moisture, cream time 20 seconds, rise time 30 seconds, foam expansion more than 30 times. It has a mixed viscosity of 350 cP as per ASTM D 2196. Allow the PU foam grout to cure for 5 -10 mins. Providing and grouting with two component Polyurethane based resin injection grout mixed at ratio of 2:1 (2 parts of Base: 1 part Hardener) which will injected through same nozzle at the rate of 0.30kg/nozzel which gives Adhesion strength 2.5 MPa, Adhesion in wet concrete 1.5MPa, Elongation 80%. It has a mixed viscosity of 350 cP as per ASTM D 2196. The finished cost to include surface preparation, fixing of non-return valve injection packers at dripping leakage locations and damp patch locations, seal the nozzles with polyester resin anchor grout Instant leak plug 0.2kg/nozzle. All the application procedure shall be as per the direction of the Engineer In charge.,etc,complete.

Re-installation of the dismantled 2000-liter PVC water tank(3-nos) in its original location with site preparation, ensuring the leveling and stability of the surface and carrying out the necessary repairs to the foundation or support structures. The contractor will provide the necessary support during this phase to ensure stability. Once the site is ready, the shifted dismantled water tank is carefully reinstalled to its original location without damage. Once the tank has been positioned, all connections, including pipes, valves and fittings, are securely reattached and properly aligned to prevent leaks. Once reinstalled, the entire piping system is tested to ensure that it is functioning properly and has no leaks. Coordination with the authorities is maintained throughout the process to ensure that all work meets the standard specifications as per instruction of Board Engineers,etc.,complete.