The URL can be used to link to this page

Home My WebLink AboutTR_Clover Creek Madrone TRAQISA. Basic Tree Risk Assessment Form Client C k)vt;:\1-( 'v-C~1£ H<J -A Date ~-2 ~, 2.~ Time ,: O(.) ?,.,-, Address/Tree location i?f\O.UL. \'®t4 S::01 ~ -\3 Tree no. ____ Sheet_j_ of~ Tree species Xb.x' .C,c.. ~ o.-ro\V-dbh ·yo '1 Height l#~-' • Crown spread dia. -30' Assessor(s) ~\)~,..., Cv,~on Time frame 2 'Ii, Tools used B .. w,c. L-, I 2-"-, r Target Assessment Tarset zone Occupancy ,.. i C ., ~ 11 rate s~ c,.. Jf ,~ ji 1-rart ii ta 2 -occulornil ~ :, T111et description Jf ~, ,~ 3-frequent -c-e C ; I! 4-consunt Ee F IIIC CL 1 UOt"\t X ~ t-J N 2 3 4 Site Factors History of failures ~ ?n.MtO::t Topography Flat□ Slope rt! / O % Aspect _s _ Site changes NoneJ21 Grade change□ Site clearing□ Changed soil hydrology□ Root cuts□ Describe ____________ _ Soil conditions Limited volume□ SaturatedJZf Shallow□ Compacted□ PavementoverrootsO __ % Describe _________ _ Prevailing wind direction~ Common weather Strongwindsfl lceif Snowif HeavyrainlZI Describe __________ _ Tree Health and Species Profile Vigor Low~ Normal □ High D Foliage None (seasonal) D None (dead) D Normal __ % Chlorotic __ % Necrotic_£_% Pests N "0 • Abiotic N , Q, Species failure profile Branches D Trunk D Roots□ Describe_..1li.1.1w~9=--_.1,1W,f.JQa.i;0 OuAoob-_....:1~w:b:L..:...:!o~"-~8~-,_ ___________ _ Load Factors Wind exposure Protected □ Partial □ Full~ Wind funneling □ _________ Relative crown size Small.!Zr Medium □ Large □ Crown density Sparse}2! Normal D Dense □ Interior branches FewS Normal D Dense D Vines/Mistletoe/Moss if _v......._, :::....t-1 ... E..ocS,_ ___ _ Recent or planned change in load factors -~L..LJl,L.1....---------------------------- Tree Defects and Conditions Affecting the Likelihood of Failure -Crown and Branches - Unbalanced crown¢ LCR JaQ._% 1, Dead twigs/branchesZ ~% overall Max. dla. ~ Broken/Hangers Number (d Max. dia. ~ Over-extended branches Z Pruning history Crown cleaned □ Thinned □ Reduced D Topped □ Raised □ Lion-tailed □ Cracks □ ------------Lightning damage □ Cod om in ant lli -----------Included bark 0 cavity/Nest hole_% circ. Similar branches present.ef Sapwood damage/decay □ We a k attachments Fti ------- Previous branch failures fl{ ----- Dead/Missing bark~ cankers/Galls/Buris D Conks □ Heartwood decay D _______ _ Flush cuts □ Other________ Response growth ----------------- Main concern(s) _8....,_r::.:O>-.uO.-C-h~--ri...:;"'--=..:...i ~;;..;;..;.'..='-;;__--1r ..... o ........ bi..::1S.. ..... •..;..A..:.,%--ct="'::;.;...{.;...""...:;~_•..,,.6~"--.... l'---'-'-""';.>,'~l-"f.)'--'-ry,f.-________ _ Load on defect N/A D • Minor □ Moderate lzf Significant □ ----------------- Likelihood of failure Improbable D Possible □ Probable ~ Imminent D ----------------- -Trunk- Dead/Missing bark ~ Abnormal bark texture/color D Codomlnant stems Ji! Included bark~ Cracks D Sapwood damage/decay □ cankers/Galls/Burls□ Sap ooze □ Lightning damage D Heartwood decay D Conks/Mushrooms D cavity/Nest hole __ % clrc. Depth___ Poor taper□ Lean~• Corrected? '\...,€$;:;;.._ _______ _ Response growth ---+i __ E:S ____________ _ Main concern(s) _____________ _ Load on defect N/A ~ Minor □ Moderate D Significant □ Likelihood of failure Improbable~ Possible 0 Probable □ Imminent 0 -Roots and Root Collar - Collar burled/Not visible □ Depth___ Stem girdling □ Dead □ Decay D Conks/Mushrooms □ Ooze □ cavity ~ .15'.:._% circ. Cracks)a Cut/Damaged roots□ Distance from trunk __ _ Root plate lifting □ Soil weakness D Response growth ____________ _ Main concern(s) 0A'I '"t'{ • N 5$1tcs £" Load on defect N/A D Minor □ Moderate □ Significant ,J Likelihood of failure Improbable D Possible D Probable,i Imminent D Page I of 2 Risk Categorization Likelihood r.. Consequences J r.. Failure & Impact e QI 1l Failure Impact (from Matrix 1) ~ u E Risk C C ::, .J .. c rating I QI ; C c II ~ :I .ll " .c ! ~ N .3 1 E ~ of part ·;;; ... " ~ ~ ! .. .. ! !ij ~ :, j !E '6 Conditions QI Target e .3 :s ~ ~ :;. ~ J (from t: -e!I 1 e ~ ! .c E " C 8 "ii a. e " ~ c ~ .11111 ~ " i JI ~ Matrix 2) Tree part of concern "' ~ protection .§ .§ ~ :E ::r: ::, ::I z .,, CL u. II. II. ~ ,..., ,..., -,., I t1W r, -'1 -r: () (., V: lito.' \ tJ ,, V~ I V ' ' \. ., \. L '~ \. ___, ' ~ (..\..... r ~ C ,...., ,,- 1 y ,, -, C C ,, '-' .,,. ,(' V Li '-' I u \. 'L.J ~ ~ -,~rv r-,. ,-C r C C -C r: r I", ,... ,.,. ( I ~--\ ' \ '----' L v ' ' \. , L \. " IC 'r --~\t:,.t+ ~, l\ ,.,. r fl, ,.,. 'C r C fl V: I 1£ \ ~ \. _,, \_____, ' _,, \. .-' C,o..v,~ µ'~ u ' , ~ --{_~ -.-. 2 C ,.,. L L ( l___.. ( ( ( l___.. , ' ~..s '-, '------' '., \ \.. ~rt.J..,r.~ ' , I"', C r -C L -C r, ,,-C: r ~q '-, '-., u L.., ' u \. '., '-~ \..____, C C --,..., -r, ,-. C r C \...., v \..,i v v V v V V V v v ,... ,... r: r ,.,. n C --3 ,-. r ,.... ,,,...., C ,.... I \. ___, \, \. _,, \. _,, ~ ~ \.. .-' \. _. \. ., ,.,. ,.,. ,... C --C r.. ,.... ~ -C, --r ., L \, , \. , \..__., L L '-( ' , \. .-' ' ., \ -L -IC C r ,.... ----,.,. F c, I f L L \. .-' ~ \.._ _. \..J '-, \ , \. , \. , \..__, ,.... ~ --C ,.... ,... ,... ----4 -,.,., I ~ \.___, '-, \. , \ _. \._~ ~ ' \ \.. , '-, \..___., L \. ___, '\. C 0 u L C C C: n ,-..., ~ Q ,.... (~ L L.., v \. ., Motrix I. Likelihood matrix. Likelihood Likelihood of Impacting Target of Failure Very low Low Medium High Imminent Unlikely Somewhat likely Likely Very likely Probable Unlikely Unlikely Somewhat likely Likely Possible Unlikely Unlikely Unlikely Somewhat likely i - Improbable Unlikely Unlikely Unlikely Unlikely Motrix2. Risk rating matrix. Likelihood of Consequences of Failure Failure & Impact Negligible Minor Significant Severe Very likely Low Moderate High Extreme I I ~~El i I Likely Low Moderate High High Somewhat likely Low Low Moderate Moderate North Unlikely Low Low Low Low Notes, explanations, descriptions ___________ _ Mitigation options _ ___.,\4.a:.Oi..c..:...t-re'.;..;;_ ________________________ Residual risk _____________________________________ Residual risk ___ _ -------------------------------------Residual risk ___ _ _____________________________________ Residual risk ___ _ Overall tree risk rating Low D Moderate D High~ Extreme D Work priority 1-2 D 3 D 4 D Overall residual risk Low D Moderate D High, Extreme D Recommended inspection interval 2 't 11. Data;t'Final D Preliminary Advanced assessment needed,rff,lo □Yes-Type/Reason __________________ _ Inspection limitations)t!None □Visibility □Access □Vines □Root collar buried Describe ________________ _ lhl, datuheet was produced by the International Society of Arboriculturt (!SA) and is intended for use by Tree Rlsk Ancssmcnt Qualified (TRAQ) arborists -2013 Page 2 of 2