HomeMy WebLinkAboutCity's Tree Hazard ReportATTACHMENT #2
A Photog rap hic Guide to the Evaluation of Hazard Trees,,, ujucaji mft�as
TREE HA ZA RD E VA L UA TION FORM2nd Edition
Site/Address: � L1Q_1 N_)
;asap/Location: Z
Owner-, public — private unknown — other
e —
Date: Inspector: 0 cilv)ac/e ck I L
Date of last inspection: (Jahlotj n
IoA, Species:
HAZARD RATING,
Failure + Size + Target = Hazard
Potential of pari Rating Rating
Immediate action needed
Needs further inspection
Dead tree
DBH: — of of trunks: _ Height: — Spread:
Form: LT /generally mmetric minor asymmetry C_ major asymmetry 0 stump sprout 0 stag -headed
ly
Crown class: ; /do m Mco-dominant I C intermediate El suppressed
Live crown ratio: 104) % Age class: C] young t__ semi -mature � �ature I❑I over-maturelsenescent
Pruning history: 11 crown cleaned 7 excessively thinned --, tocced El crown raised 1771 pollarded 0 crown reduced 7 flush cuts 7 cabled/braced
E) no '_ multiple pruning events pprox. -�12res: �pr�ctected by �onv a�genc,
Special Value: ci ; �wi wildlife Ze men�E] heritage/historic Idlife I--- unusual R street tree E01 screen F01 shade indigenous y gov. agency
TREE HEALTH
Foliage color nor a] 0 chlorotic � necrotic Epicormics? d) N
Foliage density: normal CJ sparse Leaf size. normal 0 small
Annual shoot growth: El excellent [Yaverage -CI poor Twig Dieback?
Woundwood development: E] 'exlent Zaverage' El poor El none
Vigor class: 1`7 excellent — average fair [I pyor
Major pests/dIseases:
SITE CONDITIONS
Site Character 0 residence El commercial
Landscape type: [I parkway 7, raised bed
R
Y
I
Growth obstructions:
Elstakes 0 wire/ties El signs E:J cables
❑ cur /pavement 0 guards
'r
`Zthother A16 n e
E mous-uial
park
11 open space Vnatural
I woodland\f o rest
0 container
mound
11 lawn C3 shrub border
E, wind break
ifl"gat! o none R adequate L inadequate L excessive El trunk wettled
Recent site disturbance? Y (D 11 c traction El soil ais-,jrbance E grade change E71 line clearing site clearing
% dripline paved: 00,10 10-25% 25-50",0 50-75% 75-100% Pavement lifted? Yl N
dripline w/ fill soil: 0,0'.0 10-25% 25-50% 50-75% 75-100%
% dripline grade lowered: 090 10-25%Z 25-509,16 50-7511% 100%
Soil problems: L1 drainage Clshallow CD compacted �droughty FJ saline Valkaline 0 acidlc El small volume 0 disease center 0 history of fail
171 clay 0 expansdve slope aspen.
Obstructions: 11 fights R signage 0 fine -of -sight [I ' w D overhead lines 0 undergrou utilities Eltraffic Eladjacent veg. .-El_
Exposure to wind: Elsingle tree Elbel canopy 92'abovecanopy Rrecently exp VWindward, canopy edge El area prone to windthrow
Prevailing wind direction: Occurrence of snow/ice storms ;n/ever 0 seldom 13 regularly
TARGET
Use Under Tree: El building El parking __1 traffic 0 pedestrian III recreation 0 landscape ED hardscape [I small features EJ utility lines
Can target be moved? Y N Can use be restricted? Y N
Occupancy: .7 occasional use [I intermittent use 0 frequent use ED constant use I
The International Society of Arboriculture assumes flG responsibility, for conclusions or recommendations derived from use of this form.
TREE DEFECTS
ROOT DEFECTS.
Suspect root rot: Y ()N Mushrcom/conklbrackpt present: Y (0 10:
Exposed roots: 0 severe 0 moderate jx /Ow Undermined: 0 severe L-1 moderate 2 /low
Root pruned! --CL— distance from trunk Root are affected: 0 % Buttress �wounded- Y @- When- le�
Restricted root area: 0 severe E mode to Root
Potential for root failure., 0 severe III moderate ow
L E4 N: deg. from vertical � 7natural [J unnatural 0 self -corrected Sail heaving: Y
Decay in plane of lean: Y 6)
N Roots broken Y 0 Soil cracking: Y No
kec
Compounding factors: klk�y iTee_5 Lean severity: Esevere 0moderate taw
CROWN DEFECTS: Indicate oresence of individual defects and rate their severity (s = severe, m = moderate, I = low)
DEFECT
ROOT GROWN
TRUNK
SCAFFOLDS
BRANCHES
Poor taper
_1
3 - frequent use; - constant use
HAZARD ABATEMENT
T__
Bow, sweep.
Draise canopy Ocrown reduce EJ restructure El shape
_Cable,,`Brace:
Inspect further: Droot crown Odecay Faerial Elmonitor
Z:
Codominants/forks
L
L
L
Multi le attachments
COMMENTS
L
L
Included bark
AIM
kpct L/
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Excesstve end weight
L
L
Cracks/splets
Hangers
L
Girdkng
L
Z_
Wounds/seam
Z_
Z_
Decav
L
Cavi
L
L
Conks'm ushrooms/b racket
L
L
L
Bleedingisap flow
L
I_
Looselcracked bark
Z_
Nesting hole/bee hive
L
Z_
Deadwood/stubs
07�
Borers/termites/ants
Cankers/galls/buds
L
Previous failure
L_
HAZARD RATING
-We
Tree pafl most likely to fail" (A P.C. Y C EOF 013f� Failure potential: 1 - low, 2 - medium: 3 - high; 4 - severe
Size of part. I --<S" 05 cm): 2 z 6-18" (15=45 cm)-
Inspection period� annual — biannual other 3 - 18-30" (45-75 cm); 4 - >30," (75 cm)
Potential + Size of Part + Target Rating Hazard Rating
+ +
Target rating- 1 - occasional use; 2 intermittent use:
4
_1
3 - frequent use; - constant use
HAZARD ABATEMENT
Prune; D remove defective part Dreduce end weight Ocrown clean Othin
Draise canopy Ocrown reduce EJ restructure El shape
_Cable,,`Brace:
Inspect further: Droot crown Odecay Faerial Elmonitor
Remove tree: Y N Replac ? Y N Move target: Y 61 Other.
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Effect an adjacent trees:
�evZOLVerning
Notification: 0 owner 0 manager agency Date:
COMMENTS
S CY\
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kpct L/
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