ISA Aerial Lift Specialist case studies
ISA Aerial Lift Specialist · Put your knowledge to work in context.
The ISA Aerial Lift Specialist credential is aimed at tree care professionals who work from boom lifts, bucket trucks, and scissor-type platforms rather than climbing or using rope-only systems. It is intended to demonstrate that an operator can plan aerial lift work, recognize hazards, inspect and set up equipment, and work aloft near people, structures, and energized conductors. The ISA Aerial Lift Specialist case studies are 5 cases and about 2,953 words.
1Silver Maple Over a 12.47 kV Primary
A two-person tree crew is asked to remove a storm-damaged limb from a silver maple beside a driveway. The 55-ft bucket truck is parked on a 6% slope, and the right outrigger pad sits over a septic tank lid 18 in below grade.
645 words, about 3 min2Scissor Lift on a Loading Ramp
A 26-ft electric scissor lift is the only lift available to install a sign on a warehouse wall. The approach is an asphalt loading ramp with an 8% grade and a 1-in lip at the bottom; the side slope is about 2°.
605 words, about 3 min3Telescopic Boom and a Sagging 12.47 kV Line
A 60-ft telescopic boom lift is positioned on the shoulder of a two-lane road to replace a sign bracket. The adjacent 12.47 kV distribution line is 27 ft above grade at the pole but sags to 24 ft at mid-span.
594 words, about 3 min4Morning Inspection of a 45-ft Bucket Truck
During the pre-use inspection of a 45-ft bucket truck, the operator finds a hydraulic oil leak at the boom pivot, and the boom drifts down about 4 in over 5 minutes with the controls neutral. The winch rope has three broken wires in one strand within one lay.
558 words, about 3 min5Fall Arrest in an Articulating Boom
An arborist is working from a 45-ft articulating boom lift at 35 ft to prune an oak. The platform has a manufacturer anchor at floor level.
551 words, about 3 min