37
Street Tree Services Recommended for Contract Through 2017
PEST AND DISEASE CONTROL: (Cost and time dependent on species, size, and manner of treatment) Each pest and disease must be treated differently, often requiring special chemicals, proce- dures, and equipment. This work can also vary greatly depending on environmental conditions and time of the year, so it makes sense to leave this work to qualified contractors with the required experience, materials, and tools. Required equipment : Vehicle with spray rig, pesticides, protective equipment
Services that may be Performed by Either Staff or Contractors
NONHAZARDOUS TREE REMOVAL: ($130/hour if contracted, $18-$33/hour with staff) Potential savings of staff versus contractors: 74%-86% Most of the trees that require removal are small enough that they can be cut at ground level. Depending on the size of the tree, this can still be dangerous work. Required equipment: Vehicle, chainsaw, protective gear; chipper, trailer, stump grinder, or other equipment may also be needed. LARGE TREE PRUNING: ($80/hour if contracted, $18-$33/hour with staff, $37 per hour for bucket truck) Potential savings of staff versus contractors: 13% to 31% HAZARDOUS TREE REMOVAL: (Cost and time dependent on tree size, location, and other circumstances) Large tree pruning and removal is among the most important tasks for the urban forestry pro- gram, as people can be killed or injured by dead trees and limbs. Due to the size of large trees, this can be dangerous work, and becomes even more dangerous when trees are near build-
ings, cars, and driveways. If the town is willing to accept these risks, the program would need a bucket truck and at least one staff arborist with necessary skills and experience working aloft. These resources would allow the program to respond immediately to hazardous trees and damage from severe storms. Large tree pruning and removal require highly trained staff and ei- ther specialized climbing equip- ment or a bucket truck. Capital and maintenance expenses for a 40’ bucket truck are estimated at
Qualified staff and equipment, such as this bucket truck and chipper, are needed for large tree removal.
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