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HomeMy WebLinkAbout588 Clippership Lane 05.19.2026 Arborist Report ISABasic Tree Risk ss ssment Form Assessor Client �ei`j Date Z Address/Tree Location 66) l ?e-,^ .f Tools ✓t W t Tree Species C ✓^ 00 Tree#_DBH i0lig"Height Time Frame year /months Target Zone Occupancy Rate Check one box per target. during time frame: Target Description m Be specific,only one target per line. c = x o v d Z X U) v u 6 c Lq O '+ n O u° 2 3 Site Conditions Concerns: ❑None Site changes: one ❑Grade change ❑Site clearing ❑Changed hydrology ❑Other Crown Foliage: ❑None(dead) ❑NNoone(seasonal) Normal % Chlorotic D % Necrotic % Tree Health: El Dead t11 oor ❑ Fair El Good Health concerns: -f►uiy 1L :)Ww? ❑None Density: ❑Sparse ❑Average ❑Dense ❑ Vines/mistletoe/moss Relative size crown/trunk: ❑Sma edium ❑Large ❑Unbalanced GKrown dieback ❑Excessive end weight Wind Exposure: ❑Protected Partial []Full ❑Wind funneling Load concerns/recent changes Pruning: ❑Topped []Thinned ❑Lion tailed ❑Raised ❑Other Live crown ratio(LCR)45—r % oe Branches it Trunk [I No concerns Dead branches d %overall Max.dia._ � ❑ concerns ❑Codominant stems# El Included bark ❑ Broken/hanging# Max.dia. El Overextended Decay ❑Conks/mushrooms ❑Cavity opening ❑ r taper [:]Weak attachments ❑Decay depth ❑ Poor taper Lean-to—° ❑Corrected Previous branch failuresSimilar branches preWt Dead/missing bark ❑ ❑ ❑Cracks Ooze Lightning damage 71 structural support []Excessive sprouts Cracks Other Response growth ❑ Sapwood/heartwood decay ❑ Conks/mushrooms Main Trunk Failure Type: ❑ Cavity opening ❑ Response growth Likelihood of Failure: f-1 Improbable Possible []Probable []Imminent Main Branch and Crown Failure Types: Target#�_Protection _ Failure Type 1: Likelihood of Impact: ❑VeryLow ❑low [jMedium High Part size Fall distance Load: ❑Low ❑Med []High ,u-e,! Consequences: ❑Negligible [I Minor Significant [I Severe Likelihood of Failure: ❑Improbable ❑Possible [I Probable C]Imminent Target# Protection Target# Protection Likelihood of Impact: ❑ Very Low ❑ Low z8rMedium ❑ High Likelihood of Impact: []Very tow ❑Low ❑Medium ❑High Consequences: ❑ Negligible ❑ Minor Significant ❑ Severe Consequences: []Negligible ❑Mlnor ❑Significant []Severe Target# Protection Root Collar, Roots,and Soil Likelihood of Impact: 171 Very Low ❑Low ❑Medium ❑High ❑No concerns []Collar buried/not visible Depth Consequences: []Negligible ❑Minor ❑Significant []Severe [I Stem girdling ❑ Fill soil ❑Significant root damage or decay Conks/mushrooms Failure Type 2: ❑Cut,di nce from trunk El Root plate lifted Part size Fall distance Load: ❑ Low E] Med ❑ High Soil: Often saturated ❑Limited volume ❑Pavement/Compaction Likelihood of Failure: ❑Improbable ❑Possible ❑Probable ❑Imminent Response growth Target# Protection Main Root/Soil Failure Type: _ Likelihood of Impact: ❑Very Low []Low ❑Medium ❑High Likelihood of Failure: ❑Improbable 1311Possible ❑Probable ❑Imminent Consequences: ❑Negligible ❑Minor []Significant []Severe Target# Protection Target# Protection Likelihood of Impact: ❑Very Low []Low ❑Medium []High Likelihood of Impact: []Very Low []Low ❑Medium [:]High Consequences: ❑Negligible ❑Minor []Significant ❑Severe Consequences: []Negligible ❑Minor []Significant ❑Severe Target# Protection Likelihood of impact: ❑ Very Low 1711-ow ❑ Medium ❑ High This form is for data collection and analysis.It is not intended to be used as a report. i Consequences: ❑ Negligible ❑ Minor ❑ Significant ❑ Severe Risk Categorization and Analysis Likelihood of Likelihood of Failure and Impact Consequences Tree Part Failure Type Target Failure Impact on)Matrix 1. Risk Branches, Dead,Hanging,Decay, Description m T } a Rafting Trunk,Root Crack,etc. or Number ego 5 a v o E ' s ? a � m m rs C Collar,Roots, a o o E ° v = c £ a 4atrix 2 or SoilE a a E > o ° N Z am _.-._........... -------- — — — -- — _.... ... - i E r Overall tree risk rating: ❑Low []Moderate High []Extreme Matrix 1.Likelihood matrix Likelihood Likelihood of Impact of Failure Very low Low Medium j Nigh Imminent Unlikely ; Somewhat likely Likely Very likely Probable ' Unlikely Unlikelyomewhat likely Likely Possible Unlikely Unlikely Un i Somewhat likely Improbable Unlikely 1 Unlikely Unlikely ! Unlikely Matrix 2.Risk matrix — Likelihood of Consequences of failure Failure&Impact I Negligible Minor 1 Si i Severe Very likely Low Moderate High Extreme Likely Low, Moderate High High Somewhat likely 1 Low Low Moderate Moderate North Unlikely i Low Low Low Low Notes,explanations,descriptions — —-................... --- -- Cc c O Mitigation Residual Risk G O More than one failure type/target can be mitigated on each line. of the tree 1 iv9iiir:;al:i,-,n i>;don lar h i-'r,t.risk'("') 2 3 Inspection/imitations: None []Visibility ❑Access []Vines ❑Root collar buried Describe: Data: Final ❑Preliminary—Advanced Assessment recommended Type/reason: Reassessment recommended in years/months ©2025 International Society of Arboriculture page 2 of 2