c49 Tree and Palm

what are the main characteristics of carabiners used in tree work?

Self-closing, self-double-locking, and able to withstand a 5,000-lb load

rigging branches

involves setting up ropes, slings, and pulleys to safely cut and lower limbs without damaging nearby property or structures.

ppe

Personal protective equipment

One employee can complete 4 tree installations in 8 hours. At the same rate, how many trees can that employee install in 12 hours?

6 trees

A circular planting area has a radius of 10 feet. Using π = 3.14, approximately how many square feet is the area?

314sq ft

A crew has 2 employees. Each employee can dig 4 tree holes in 8 hours. If the labor rate is $42 per hour per employee, what would it cost to dig 24 tree holes?

2 employees × 4 holes = 8 holes per 8 hours

24 holes ÷ 8 = 3 work periods

3 × 8 hours = 24 hours

2 employees × 24 hours × $42 = $2,016

A contractor is estimating the labor for removing trees. One employee can remove 3 trees in 6 hours. At the same rate, how many trees can 2 employees remove in 12 hours?

• Rate per employee: 3 trees ÷ 6 hours = 0.5 trees per hour per employee.

• Total labor hours available: 2 employees × 12 hours = 24 total labor hours.

• Total trees removed: 24 hours × 0.5 trees per hour = 12 trees.

A contractor needs to estimate the labor cost for digging 18 tree holes. Two employees can each dig 3 holes in 6 hours. If the labor rate is $40 per hour per employee, what is the total labor cost?

$960

Which location would be the BEST choice for planting a tree that does not tolerate poorly drained conditions?

Well-drained soil

. A tree worker needs to lower a large branch to the ground while maintaining control of its descent. Which operation is BEST suited for this task?

Rigging

A crew of 2 employees can remove 4 trees in 8 hours. At the same rate, how many trees can the same crew remove in 20 hours?

10 trees

A contractor charges $50 per hour per employee. A three-person crew works 6 hours. What is the total labor cost?

$900