supply and installation of necessary equipment for updating the fire and safety system installed in regional office, chandigarh- diesel engine driven main fire pump, control panel, -providing, installation, testing and commissioning of 100 mm dia non-return valve of following sizes confirming to is: 5312 complete with rubber gasket, gl bolts, nuts, washers etc.as required. providing & fixing of pressure switch in m.s. pipe line including connection etc. as required, supply, installation, testing and commissioning of smoke detector with built-in led and mounting base complete with all connections etc. as required. earthing with copper earth plate 600 mm x 600 mm x 3 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoall coke and salt as required. supplying and laying 25 mm x5 mm.copper strip at 0.50 metre below ground as strip earth electrode, including connection/ terminating with nut, bolt, spring, washer etc. as required. (jointing shall be done by overlapping and with 2 sets of brass nut bolt & spring washer spaced at 50mm) providing and fixing 25 mm x5 mm copper strip on surface or in recess for connections etc. as required. supplying and making end termination with brass compression gland and aluminium lugs for 3% x 185 sq. mm (57mm) pvc insulated and pvc sheathed/xlpe aluminium conductor cable of 1.1kv grade as required. laying and fixing of one number pvc insulated and pvc sheathed / xlpe power cable of 1.1 kv grade of above 95 sq. mm and up to 185 sq. mm (clamped with 25/40x3mm ms flat clamp) size on wall surface as required. providing and fixing of 250 a, 35 ka, tpmccb with thermomagnetic release and terminal spreaders in existing cubicle panel board including drilling holes in cubicle panel, making connections, etc. as required. providing and fixing of 12 v, 7ah, sealed maintenance free battery supply & fixing of 4.5 kg, co2 type fire extinguisher, isi marked supply, installation, testing and commissioning of co2 type, automatic fire extinguisher system for protection of main electrical panel installed at basement of office complex. (panel size 14.5x7x1.3 feet)