MT Crane/Hoisting Operator case studies
MT Crane/Hoisting Operator · Put your knowledge to work in context.
The MT Crane/Hoisting Operator credential is a practical certification for people who run mobile cranes and hoisting equipment on job sites - lattice-boom and telescopic-boom truck cranes, rough-terrain and all-terrain machines, and the lifting work that goes with them. It is aimed at operators who need to show they can plan a lift, read a load chart, inspect equipment, set up on stable ground, and work safely around power lines and other crews. The MT Crane/Hoisting Operator case studies are 5 cases and about 3,887 words.
1Rooftop HVAC Unit with the Jib Deployed
A 60 t capacity all-terrain crane is set up on a concrete pad at a distribution centre to place a rooftop packaged HVAC unit. The unit weighs 8,200 kg; the hook block weighs 480 kg and the four-leg sling assembly with shackles weighs 170 kg.
753 words, about 4 min2Outrigger Over a Buried Storm Drain
A 50 t rough-terrain crane is set up in a newly landscaped area behind a retail unit to lift steel beams onto a mezzanine floor. The site plan shows a 600 mm storm drain running 1.2 m below finished grade, crossing beneath the right-hand outrigger position.
803 words, about 4 min3Four-Leg Bridle on an Offset Centre of Gravity
You are to lift a steel skid weighing 6,000 kg from a laydown area onto a foundation. The skid is 2.4 m long with a lifting lug at each corner.
834 words, about 4 min4Hoist Rope Condition at the Pre-Operational Check
During the pre-operational check on a 25 t truck-mounted lattice-boom crane used for general yard work, you inspect the hoist rope: 6 x 36 wire strand, independent wire rope core, 20 mm nominal diameter, in service about five years with no rope certificate in the crane file. The last recorded third-party inspection of the crane was 14 months ago.
599 words, about 3 min5Blind Lift with Conflicting Signals
You are operating a 90 t crawler crane setting 6 m x 2.5 m precast wall panels onto the second floor slab of a building under construction. The designated signalperson is at ground level with a two-way radio.
898 words, about 4 min