Mobile crane lift plan example: a 3D walk round the lift

A 3D view from an RMT Solutions mobile crane lift plan (example job). A Liebherr LTM 1100-5.2 lifts a 4,200 kg air handling unit off a delivery vehicle at a 16 m landing radius, at 44.7% utilisation of the Liebherr duty chart.

The video is rendered from the same 3D model as the plan's elevation, exclusion zone plan and rigging drawing, so the machine, the radius and the rigging match the figures on the sheets.

The lift in figures

Crane
Liebherr LTM 1100-5.2
Configuration
22.7 m main boom, 11.5 t counterweight, 7.36 x 7.00 m outrigger base
Load
4,200 kg air handling unit
Gross load
4,691 kg including the hook block and 4-leg chain
Duty
10.5 t on the Liebherr duty chart at the 16 m landing radius
Utilisation
44.7%

Utilisation is the gross load, including all the lifting accessories, divided by the capacity on the manufacturer's chart for that configuration and radius.

What the video shows

  1. 0:00The lift in 3D, drawn from an RMT mobile crane lift plan
  2. 0:05The crane: Liebherr LTM 1100-5.2 with a 22.7 m main boom, 11.5 t counterweight and 7.36 x 7.00 m outrigger base
  3. 0:10The load: a 4,200 kg air handling unit, gross load 4,691 kg with the hook block and 4-leg chain
  4. 0:16The duty check: 10.5 t at the 16 m landing radius, 44.7% utilisation
  5. 0:21The exclusion zone barrier layout, outrigger mats, slinger and lift supervisor
  6. 0:28Lift plans by a CPCS A61 Appointed Person
Watch the vertical version on YouTube Shorts

Every RMT lift plan comes with drawings like these

An elevation, an exclusion zone plan, a rigging drawing and 3D views, drawn to the machine's real dimensions and written by a CPCS A61 Appointed Person with 35 years in lifting operations.

Example job for illustration. It is not a site instruction or an approved plan for another lift: every lift needs a plan for the actual machine, load and site.

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