bids are invited for calibration services - mechanical, electrical, calibration of electrical wire rope hoist, swift make, qty 06, 1 ton each, calibration service required once in six months for 2 years; functional test/load test / proof load / calibration of lifting mec.. , calibration services - mechanical, calibration of horizontal air receivers elgi make qty 04 of 250 ltrs, calibration service required once in 6 months for 2 years; pressure , hydrostatic test and ultrasonic thickness measurement; nabl labs, any other.. , calibration services - mechanical, calibration of vertical air receiver, elgi make qty 01 of 1000 ltrs and qty 01 of 5000 ltrs, qty 01 of 500 ltrs calibration services required once in six months for 2 years; hydrostatic test, ultrasonic thickness me.. , calibration services - mechanical, electrical, calibration of fall arrester pp rope qty 15 calibration service required once in six months for 2 years; functional test / load test / visual dimensional check; nabl labs, any other government approved.. , calibration services - calibration of double lanyard full body harness ppe qty 17 protecta make, calibration service required once in 6 months for 2 years; functional / static load / visual dimensional check; nabl labs, any other government approve.. , calibration services - calibration of safety valves, calibration services required once in 6 months for a period of 2 years; visual inspection of belt/functional check/load testing/compliance with applicable is/en/ansi standards; nabl labs, any other.. , calibration services - mechanical, calibration of air receivers hydro test qty 06 (once in two years); visual inspection/functional check/load testing/compliance with applicable is/en/ansi standards; nabl labs, any other government approved labs / s.. , calibration services - mechanical, calibration of eot crane 7 1/2 ton hoist qty 02 calibration service required once in year; functional, mechanical load test calibration, static/dynamic load test; nabl labs, any other government approved labs / s.. , calibration services - mechanical, calibration of eot crane 5 ton hoist qty 01 calibration service required once in year; functional, mechanical load test calibration, static/dynamic load test; nabl labs, any other government approved labs / servic..