Western Chapter ISA Tree Failure Database - Report Form (Root Failure)

✻ = Required

General Tree Info

Tree Genus ✻

Species ✻

Cultivar

Country ✻

State/Province ✻

County

DBH (in.) ✻

Height (ft.)

Age (years)

Tree/Site Ownership:

Address/Site Name

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Location Search

Address

Address 2

City

State

Postal Code

Country

GPS: Latitude

GPS: Longitude

Root Failure

Root Failure Specifics

Select One ✻

Roots broken Roots cut/severed Root plate lifted out of the ground Root restricted

IF roots broken, please list dia. of largest broken root (in.) and distance from break to trunk (ft.) respectively

IF roots broken, condition of broken roots:

Dead, no decay Live, no decay Decayed Unknown

IF roots cut/severed, please list dia. of largest broken root at cut (in.), Distance from trunk to cut (ft.), and % of roots cut, respectively

IF root plate lifted out of ground, please list root plate radius (ft.) and root plate depth (in.), respectively.

IF root restricted, due to:

Container Root Barrier Sidewalk/curb Wall/foundation Natural Feature Other

IF root restricted, please list distance from trunk to restriction (ft.) and % of root zone restricted, respectively.

IF root restricted, please list whether the root collar girdled (Y/N) and % of circumference girdled, respectively.

Site/ Soil Conditions

Soil composition:

Sand Silt Loam Clay Rock/gravel Unknown

Soil moisture at time of failure:

Unkown Dry Saturated Moist Flooded

Restricted rooting depth due to:

Poor drainage Shallow or layered soil High water table Compacted Other

Other site conditions:

Soil eroded Compaction Grade change Well surrounds trunk Fill soil against trunk or planted too deep

Defects associated with failure

Defects associated with failure:

Location of Decay

Please list % of roots decayed, whether there were conks/mushrooms (Y/N), and avg. sound wood thickness (in.), respectively.

Type:

Unknow Brown rot White rot

Surface Treatment

Surface treatment:

Mulch Bare soil Turf Ground cover Natural forest litter Gravel/rock Pavement Other

Irrigation:

Unknown Infrequent Frequent Never

Additional Information: Tree condition and Pruning History

were the defects associated with failure visible before the tree failed?

Yes No Unknown

At time of failure the tree was:

Dead Declining Alive

Was there construction around this tree?

Yes No

IF YES, when ________ years ago

Pruning History

No pruning Cleaned Lions-tailed Thinning: proper Thinning: excessive Reduction/Directional pruning: proper Reduction/Directional pruning: excessive Crown raised % of height Topped diameter of stub at cut

Habitat Information

Trees recently removed in the vicinity of the failed tree:

Yes No

History of prior failures at site:

Yes No

Setting

Aspect

N E S W NE SE SW NW Not applicable/ flat

Slope

No slope <5 5-15 15-30 30-45 >45

Date/Time of Failure

Date/ Season Unknown

Date of failure (Mo/Day/Yr)

Time of failure hour

OR Year:

Season of failure:

Spring Summer Fall Winter

Weather and other forces at time of failure

Unknown

Temperature (approx.) (^oF)

Wind Speed (approx.) (mph)

Precipitation

None Rain Snow Ice Unknown

Cause/ Result of tree failure

Why did this failure occur?

Result of tree failure:

None (No damage other than the failure described) Property damage Personal injury Fire Power Outage Removal of this tree Loss of other trees Other damage

Property damage estimate ($ US)

Cleanup costs ($ US)

Additional Comments (injury, damage, target, etc.)

Cooperator name

City

e-mail

date

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