tender for annual comprehensive repair, replacement of spares and maintenance of 03 nos. 40 ton weigh bridges of port management board installed at haddo, chatham and junglighat wharf, sri vijaya puram- complete dismentling of weigh bridge top m.s plates by removing nut bolts, cleaning, removing dust ,rusts by buffing all the metallic surfaces and top plates of weigh bridge structure, applying two coats of anticorrossive primer and two coats of enamel paint. after painting assembling of all the dismentled structures, replacing the damaged m.s nut bolts, load cell base plate, load cell cup, backlite plates in every six months, alignment of weigh bridge base unit etc as directed by the engineer in charge. 2 supplying, installation, testing and commissioning of 30 ton load cell of following specification.(in junglighat & haddo). model :- adc 90410, capacity - 30 ton, material :- stainless steel, ingress protection :- ip68, out put sensitivity:- 2.0 +/- 0.002mv/v, input resistance :- 450 +/- 2 ohms, out put resistance :- 480 +/- 3 ohms. etc as directed by the engineer in charge. 3 supplying, installation, testing and commissioning of 30 ton load cell (chatham) of following specification.model :- asc2, capacity - 30 ton, material :- stainless steel, ingress protection :- ip68, out put sensitivity:- 2.0 +/- 0.002mv/v, input resistance :- 1160 +/- 60 ohms, out put resistance :- 1011 +/- 11 ohms. etc as directed by the engineer in charge. 4 complete cleaning of weigh bridge pit by removing all the silts,muds in every three months and as directed by engineer in charge. 5 annual callibration and certification of weigh bridge from the legal metrology department by providing test loads and labours etc and as directed by engineer in charge. 6 supplying, installation, testing and commissioning of 1 kva off line ups etc as required and as directed by the engineer in charge. 7 supplying, installation, testing and commissioning ofdisplay indicator with accessories etc as required and as directed by the engineer in charge. 8 supplying of callibrated cast iron weight of 50 kgs eachfor callibrationwithcertification from the competent authority etc as required and as directed by the engineer in charge. 9 supplying, installation, testing and commissioning offollowing specification desktop computer with loaded weigh bridge software with all accessories such as 54.48 cm fhd monitor, keyboard,mouse etc as required and as directed by the engineer in charge.specifications :- desktop make :- hpa) 13 generation intel core i3 processorb) 512 gb ssd hard drivec) window 11 homed) 8 gb ddr4-3200 mt/s (1x8 gb)e) intel uhd graphics 730f) hp 125 usb black wired keyboard, 1 vga, 1 hdmi-out 1.4b monitor (make hp)g)54.48 cm (21.45) fhd (1920 x 1080 @ 100 hz) h) flat ips with edge-lit, 1 hdmi 1.4 i) tilt, vesa mountable , anti- glare, low blue light modej) onscreen controls 10 supplying, installation, testing and commissioning offollowing specification laser printer for desktop computer with loaded cartridge with all accessories etc as required and as directed by the engineer in charge. a) a4 black and white laser printer b) print speet upto 20 ppm (black), usb, mobile printing, hp smart app, wi-fic) equivalent to hp laser 1008w