| Hurricane Mitigation: The cost of repairs, shouldered | | | | must be hardened before installing. This is |
| by local governments, for repairs to the municipal | | | | accomplished by wrapping the root ball in burlap and |
| infrastructure after a catastrophic storm. | | | | placing the tree on a concrete slab, or well |
| Pre Hurricane Mitigation: Funds available to | | | | compacted material, and wetting it over a specified |
| municipalities, provided by FEMA, to strengthen their | | | | time to harden and flatten the root ball." |
| infrastructure against a catastrophic storm. | | | | "When planting the tree, specified earth anchors will |
| FEMA and the Army Corps of Engineers, have | | | | be driven at equal points around the perimeter of the |
| conducted extensive research into pre hurricane | | | | specified size root ball, where they will extend to |
| mitigation, and their findings show, for every one | | | | depths of 4 to 8 feet below the root ball. Cables will |
| dollar spent on shoring up a municipal infrastructure | | | | then be attached from each of the anchor points, |
| pre disaster, 3 dollars will be saved on infrastructure | | | | while strapping over the top of the root ball, |
| repairs, post disaster. | | | | ultimately securing the tree at the nursery line." |
| Results show that not only securing buildings, bridges | | | | Purpose: |
| and sea walls is an important part of pre hurricane | | | | "Securing the root ball against high winds in it's first |
| mitigation, but they also showed an obvious need for | | | | few years of growth, allows the tree the chance to |
| the protection of the urban canopy. | | | | extend it's roots horizontally, where it will eventually |
| In an example of their research into the state of | | | | stabilize itself against high winds when properly |
| Florida's hurricane mitigation costs on the agricultural | | | | pruned. Usually within 5 years." |
| division of it's municipalities, they recorded a cost of | | | | Mitigation experts agree, properly securing and |
| 1. 1 billion dollars for hurricane Andrew damage alone. | | | | pruning trees pre disaster, will save taxpayers billions |
| Hurricane Katrina showed a cost to taxpayers in | | | | of dollars post disaster, for the clean up and |
| Mississippi of over 1.2 billion dollars in agricultural tree | | | | replacement costs associated with tree loss. |
| damage to a collective 181 municipalities. | | | | Originally sought out for their strength and ease of |
| The research found proper tree planting and pruning | | | | installment, the earth anchors were also found to be |
| education were needed to ensure the municipal tree | | | | sustainable, made up of aluminum and stainless steel. |
| canopy would have all the means available to help it | | | | As a result of their use, the impact on the |
| through a storm, and save taxpayers money. | | | | environment from cutting down trees to use as |
| With 47% of post mitigation expenditures being | | | | braces to support trees is reduced, resulting in |
| associated with the clean up, re-bracing, or the | | | | hundreds of thousands of timber forest acreage |
| replacement costs of trees after a disaster, the need | | | | saved each year. |
| for educating urban landscape planners on the use of | | | | Initially the cost of a tree anchoring system is more |
| tree anchoring systems for high wind corridors was | | | | than 2x4 bracing, but as the anchors can be dug up |
| required. | | | | and re-used at a later date, the cost is reduced |
| As a result of pre mitigation education to date, | | | | exponentially over time. |
| municipal landscape architects are now specifying | | | | Eventually to a point where smaller municipalities will |
| "Root Ball Preparation for Tree Anchoring Systems" | | | | never need to purchase a 2x4 for tree bracing again. |
| at the nursery to prevent the uprooting of recently | | | | Municipal directors are encouraged to instruct their |
| planted, or transplanted specimen trees, due to | | | | finance department to apply for their states share of |
| moderate hurricane winds of 80 to 140 mph. | | | | FEMA mitigation funding early, as these requests for |
| An example of a specification reads: | | | | Urban Forestry Mitigation are received in abundance |
| "To prep a tree for root ball anchoring, the root ball | | | | from all states in high wind corridors. |