F3 Black Walnut Report — original pdf

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— Trunk — — Crown and Branches — — Roots and Root Collar —Unbalanced crown  LCR ______% Dead twigs/branches  ____% overall Max. dia. ______Broken/Hangers Number __________ Max. dia. ______Over-extended branches Pruning historyCrown cleaned Reduced  Flush cuts  Thinned  Topped Other Raised  Lion-tailed Cracks  ___________________________________ Lightning damage  Codominant __________________________________ Included bark Weak attachments ___________________ Cavity/Nest hole ____% circ. Previous branch failures _______________ Similar branches present Dead/Missing bark  Cankers/Galls/Burls  Sapwood damage/decay Conks  Heartwood decay  ________________________ Response growthCollar buried/Not visible  Depth________ Stem girdling Dead Decay  Conks/Mushrooms  Ooze  Cavity  _____% circ.Cracks  Cut/Damaged roots Distance from trunk _______Root plate lifting  Soil weakness Response growthMain concern(s)Load on defect N/A Minor Moderate SignificantDead/Missing bark  Abnormal bark texture/color Codominant stems  Included bark  Cracks  Sapwood damage/decay  Cankers/Galls/Burls Sap ooze Lightning damage  Heartwood decay  Conks/Mushrooms Cavity/Nest hole _____ % circ. Depth _______ Poor taper Lean _____° Corrected? ________________________________ Response growth Main concern(s) Load on defect N/A Minor Moderate SignificantClient _______________________________________________________________Date___________________Time_________________Address/Tree location _________________________________________________________Tree no.____________ Sheet _____ of _____Tree species _________________________________________dbh_____________ Height ___________ Crown spread dia. ____________ Assessor(s)__________________________________________ Time frame_____________Toolsused______________________________Target AssessmentTarget numberTarget description Practical to move target? Restriction practical?1234 History of failures _____________________________________________________________ Topography Flat Slope _________% Aspect _____Site changes None  Grade change  Site clearing Changed soil hydrology Root cuts Describe _____________________________________Soil conditions Limited volume Saturated Shallow Compacted Pavement over roots ______% Describe __________________________Prevailing wind direction______ Common weather Strong winds  Ice Snow Heavy rain Describe______________________________Tree Health and Species Profile Vigor Low Normal High Foliage None (seasonal) None (dead) Normal _____% Chlorotic _____% Necrotic _____% Pests_____________________________________________________ Abiotic ________________________________________________________ Species failure profile Branches Trunk Roots Describe ____________________________________________________________________Load Factors Wind exposure Protected Partial Full Wind funneling ________________________ Relative crown size Small Medium LargeCrown density Sparse Normal Dense Interior branches Few Normal Dense Vines/Mistletoe/Moss  _____________________ Recent or planned change in load factors _________________________________________________________________________________________Tree Defects and Conditions Affecting the Likelihood of FailureOccupancy rate1–rare 2 – occasional 3 – frequent 4 – constantLikelihood of failureLikelihood of failureBasic Tree Risk Assessment FormPage 1 of 2 Site FactorsTarget zone Target within drip line Target within 1x Ht. Target within 1.5x Ht.Main concern(s)Load on defect N/A  Minor  Moderate  Significant Likelihood of failure Improbable  Possible  Probable  Imminent Improbable Possible Probable ImminentImprobable Possible Probable Imminent 1 2 3 4 Matrix 1. Likelihood matrix. Likelihood of FailureLikelihood of Impacting TargetVery lowLowMediumHighImminentUnlikelySomewhat likelyLikelyVery likelyProbableUnlikelyUnlikelySomewhat likelyLikelyPossibleUnlikelyUnlikelyUnlikelySomewhat likelyImprobableUnlikelyUnlikelyUnlikelyUnlikelyCondition numberPart sizeFall distanceTarget protectionConditions of concernFailureImpactFailure & Impact (from Matrix 1)LikelihoodImprobableImminentPossibleVery lowUnlikelyNegligibleMediumLikelySignificantProbableLowSomewhatMinorHighVery likelySevereConsequencesRisk rating of part (from Matrix 2)Tree partLikelihood of Failure & ImpactConsequences of Failure Negligible MinorSignificantSevereVery likelyLowModerateHighExtremeLikelyLowModerateHighHighSomewhat likelyLowLowModerateModerateUnlikelyLowLowLowLow Data Final  Preliminary Advanced assessment needed No Yes-Type/Reason________________________________________________Inspection limitations None Visibility Access Vines Root collar buried Describe ___________________________________________Notes, explanations, descriptionsMitigation options _____________________________________________________________________ Residual risk ____________________________________________________________________________________________ Residual risk ____________________________________________________________________________________________ Residual risk ____________________________________________________________________________________________ Residual risk ________Overall tree risk rating Low  Moderate  High  Extreme  Work priority 1  2  3  4  Overall residual risk Low  Moderate  High  Extreme  Recommended inspection interval__________________This datasheet was produced by the International Society of Arboriculture (ISA) and is intended for use by Tree Risk Assessment Qualified (TRAQ) arborists – 2013NorthPage 2 of 2Matrix 2. Risk rating matrix.Risk CategorizationTarget number