Article Figures & Data
Tables
Task Fixed factor Variable factor 1. Job assignment, pick up tools, gas up equipment X 2. Travel time to job site X 3. Work site organization, tools, traffic signs X 4. Actual work operation climbing tree, cutting branches for a particular size tree and pruning class X 5. Presence or absence of electric wires, traffic, buildings X 6. Clean up of work site, chipping brush, cutting up wood for a particular pruning class or activity X 7. Disposal of debris at dump site X 8. Travel time back to crew headquarters X Task Factor Man hours Crew members Man hours 1. Job assignment, etc. Fixed .5 2 1.0 2. Travel time, etc. Var. .75 2 1.5 3. Work site organization, etc. Fixed .25 2 .5 4. Medium prune 16” oak Fixed 2.1 1 2.1 5. Medium Prune 30” maple Fixed 5.2 1 5.2 6. Clean Up Fixed .5 2 1.0 7. Disposal of debris Var. 1.0 2 2.0 8. Travel time, etc. Var. .75 2 1.5