biennial rate contract for testing and certification of various lifting tools tackles pressure vessels cranes and lifts- 1 testing of lifting tools 2 passenger cum goods lifts 3 mobile crane of different capacity 4 electrical hoist/hot/monorail 5 chain pulley block of any capacity 6 max puller /ratchet puller /ratchet lever 7 i bolt / clamps of any capacity 8 wire rope slings of any capacity 9 dee / bow shackles 10 circuit breaker trolley 11 hydraulic jacks / puller jack 12 dozer 13 testing of pressure vessels (external) 14 testing of pressure vessels (internal) 15 testing of pressure vessels (hydro) 16 testing of high mast tower lifing mechan