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Hazard tree removal STF2021-0016CITY OF EDMONDS 121 5th Avenue North, Edmonds WA 98020 Phone: 425.771.0220 • Fax: 425.771.0221 • Web: www.ci.edmonds.wa.us DEVELOPMENT SERVICES DEPARTMENT • PLANNING DIVISION I/Ic. 18N., June 3, 2021 Kevin Jenkins 19006 841h Ave. W. Edmonds, WA 98026 Subject: Hazard Tree Exemption (STF2021-0016) Kevin Jenkins, The City of Edmonds has received documentation regarding a request for hazard tree removal. Cody Herron a certified arborist has recommended removal of one (1) Red Maple tree located at 19006 841h Ave. W. The subject property does not contain critical areas. The requested hazard tree removal is reviewed per ECDC 23.10.040.F.2 under a hazard tree removal exemption. A detailed arborist report and tree risk assessment form has been prepared by Cody Herron (PN-6967A) a certified arborist on behalf of, Kevin Jenkins. The request is to remove one (1) Red Maple tree with an overall risk rating of "High". The subject tree is located along the southeastern property boundary. According to the report, 70% of the tree is dead and the tree will liekley not recover since it is in advanced stage of decline. The report identified a potential fungal infection as the likely cause of the decaying tree. Due to the high risk for failure of the tree it is a candidate for removal. Replacement trees are not required pursuant to ECDC 23.10.080.13.1. An exemption for tree cutting is granted with the following conditions: 1. Only the identified Red Maple tree may be removed as identified in the arborist report. 2. Vehicles and equipment shall be located on private property. Should it be necessary to utilize any portion of the City right-of-way, including the street or sidewalk, to perform any of this work then the contractor shall apply for and obtain a right-of-way construction permit in advance of starting work. A traffic control plan will be required as part of the right-of-way permit application. 3. Contractor/owner is responsible for keeping all debris on site and preventing any silt laden runoff from leaving the site and/or entering the city storm system. 4. Contractor/owner is responsible for locating all on -site utilities and any utilities on neighboring properties that could be impacted by the tree removal. Relocation/revision/repair to any utilities may require separate permit. If you have any questions, please let me know via email at michele.szafran@edmondswa.gov or you may call 425-771-0220 to speak with the Planner on duty. Sincerely, Michele Q. Szafran Planner Encl: Attachment 1 Arborist Report ABC Herron Tree LLC P.O. Box 64 j Gold Bar, WA 98251 425-293-2443 � �,'�.W' mountainredd@comcast.net Certified Tree Risk Assessor (TRAQ) Journeyman Tree Trimmer ® ISA certified Arborist PN-6967A May 23, 2021 Kevin Jenkins 19006 84th Ave W Edmonds, WA 98026 RE: 19006 84th Ave W, Edmonds 98026 Parcel00434600002104 Lot Size — .28 sq acres Dear Mr. Jenkins, ABC Herron Tree LLC is pleased to submit this report compiling the Visual Tree Risk and Evaluation Assessments performed on one tree located on Parcel 00434600002104, as shown on the map in my report. Visual Tree Assessments is an outlined process in accordance with TRAQ (Tree Risk Assessment Qualification) program and is a recognized standard of care by the ISA International Society of Arboriculture to evaluate tree health and risk. All tree assessments were made with a level 2 inspection. Our services were required as per our agreement dated and authorized to begin on May 22, 2021. I have included a detailed report of my findings below, along with a formal Basic Tree Risk Assessment Form. Please feel free to contact me with any questions you may have. Yours, Cody Herron Page 2 of 9 19006 841h Ave W, Edmonds Contents: • Assignment • Personal qualifications, scope of work and methodology • Methods used to determine tree location and tree health • Site Map • Discussion and Conclusion • Tree Assessment Matrix • Photos • References • Waiver of Liability Attachments: • Basic Tree Risk Assessment Form Assignment On May 22, 20211 was asked to complete a tree risk evaluation regarding one tree located on the property at 19006 841h Ave W, Edmonds as addressed per the Snohomish County Assessor. Personal qualifications, scope of work and methodology: The knowledge I used to evaluate the trees comes from 22 years of experience in the tree care industry, including two years of schooling from South Seattle Community College. I am a recognized Journeyman Tree trimmer through IBEW with 12 years of experience (International Brotherhood Electrical Workers). I also have 10 years' experience as an ISA certified arborist, including six years working for Snohomish County PUD as an arborist I am also currently employed by King County as a Vegetation Specialist Arborist for the DOT. In addition, I have worked for Seattle City Light and Washington Department of Transportation in performing tree maintenance, mitigation and noxious weed control. In addition to my experience and ISA certification maintained and in good standing, I am also TRAQ certified (Tree Risk Assessment Qualified). I have relied on my training in these areas to perform the duties outlined. I followed the protocol delineated by the International Society of Arboriculture (ISA) for Level 2 Visual Assessment Process. By doing so I am examining each tree independently as well as collectively as groups or stands of trees provide stability and can lower risk of independent tree failure. This scientific process examines tree health (e.g. size, vigor, and insect and disease process) as well as site condition (soil, conditions nursery stumps, anaerobic conditions, compaction etc.). A key part of tree risk assessment is to categorize the likelihood of failure, of one or more branches, the stem, or the roots. Visual assessment includes looking for and determining the significance of the defects and structural conditions. Some structural defects or conditions are Cody Herron ABC Herron Tree LLC 425-293-2443 ISA Certified Arborist #PN-6967A Certified Tree Risk Assessor mountainredd@comcast.net Page 3 of 9 19006 84th Ave W, Edmonds more likely to lead to failure than others. Individual defects or conditions may not by themselves indicate a serious structural problem, but in combination with other conditions they may contribute to failure. All tree species have widely varying lifespans and tolerance capabilities to wound healing from damage caused by biotic and abiotic forces. Knowledge of failure patterns (Disease, lifespan, environmental conditions and species characteristics) associated with different species is critical in making effective reports. Methods used to determine tree location and tree health: Tree diameter was measured with forester's tape. Tree dripline and height were measured with a Nikon Pro laser range finder or tape. Tree is tagged with Dymo Rhino aluminum labeler numerical impression and pink ribbon. All measurements and notes are recorded in digital formatting on site. An Wad Generation 7 is used to record the data and pictures to help illustrate the findings. Nikon , PRO TAPE 9MMOT W GRAN Cody Herron ABC Herron Tree LLC 425-293-2443 ISA Certified Arborist #PN-6967A Certified Tree Risk Assessor mountainredd@comcast.net Page 4 of 9 19006 84th Ave W, Edmonds Site Map Discussion and Conclusion I arrived on site at about 9:00 am on May 23, 2021. The tree indicated in the scope of work was just inside of the fence line. The tree can be easily spotted from 84th Ave W. 70% of this tree is completely dead. It overhangs the driveway, main road, and house. This tree also presents high risk to the service lines to the house. This tree will not recover as it is too far in an advanced stage decline. This tree appears to be suffering from a root fungal infection. There are white mycelium fans present under the bark with black staining in some of the open wounds. This can be indicative of Armillaria root fungus. No rhizomorphs were found or searched for. Lab testing would be needed to confirm with a more advanced inspection. This is a high -risk tree and removal is recommended. It is also recommended that a deep stump grind be performed to chase roots. Tree tissues and material exposed to the sun can kill infection over time. This can help eliminate the infection and prepare site for replanting. All wood and debris should be removed from site. Disease resistant species should be selected for any replanting mitigation purposes. This city code may require replanting mitigation and should be followed with this in mind. Page 5 of 9 19006 84th Ave W, Edmonds ABC Herron Tree Tree Assessment Matrix Consulting Tree Risk Arborist 425-293-2443 ABC HERRON TREE.. Mountainredd@contcast.net C�_ T- 114 AA... Tree Species DBH (in) Drip (ft) CRZ (ft) Vigor Structure Risk Pres. Value Recommendations 1 Red maple 35.5 35.0 35.5 1 1 decayed 2 Poor High 1 Removal Acer rubrum I 1 1 70% of this tree is completely dead. There are multiple cavities throughout trunk of tree. Tree looks to have possible evidence of Armillaria root rot. White mycelium fans located just under bark.Heavy overextended limbs over house. Heavy dead overextended limbs aver trace target. Pile of debris in backyard from previous failures.Power-line and communication lines run directly 9 through this tree as potential targets. Z Al ilk tA 44 Power lines A0 IL Ed Page 8 of 9 19006 841h Ave W, Edmonds References: ANSI A300 (Pat 1) — 2008 American National Standards Institute. American National standard for Tree Care Operations: Tree, Shrub and Other Woody Plant Maintenance: Standard Practices (Pruning). New yok: Tree Care Industry Association, 2008. Coder, Dr. Kim D. Construction Damage Assessments: Tree and Sites. University of Georgia. October 1996. Ashley, Burl S. 1980 Reference handbook for foresters. USDA NA-FR-15. 35 pp. Dirr, Michael A. Manual of Woody Landscape Plants, Their Identification, Ornamental Characteristics, Culture, Propagation, and Uses. Champaign: Stipes Publishing Company, 1990. Dunster & Associates Environmental Consultants Ltd. Assessing Trees in Urban Areas and the Urban- Rural Interface. US Release 1.0. Silverton: Pacific Northwest Chapter ISA, 2006. Dunster, J. A. 2003. Preliminary Species Profiles for Tree Failure Assessment. Bowen Island: Dunster & Associates Environmental Consultants Ltd. Dunster, Julian A., E. Thomas Smiley, Nelda Matheny and Sharon Lilly. Tree Risk Assessment Manual. Champaign, Illinois: International Society of Arboriculture, 2013. Harris, Richard W, James Clark, and Nelda Matheny. Arboriculture, Integrated Management of Landscape Trees, Shrubs, and Vines. 4th ed. Upper Saddle River: Prentice Hall, 2004. Lilly, Sharon. Arborists' Certification Study Guide. Champaign, IL: The International Society of Arboriculture, 2001. Matheny, Nelda and Clark, James R. A Photographic Guide to the Evaluation of Hazard Trees in Urban Areas. Second Edition. Champaign, IL: The International Society of Arboriculture, 1994. Matheny, Nelda and Clark, James R. Trees and Development: A Technical Guide to Preservation of Trees during Land Development. Champaign, IL: The International Society of Arboriculture, 1998. Mattheck, Claus and Breloer, Helge. The Body Language of Trees: A Handbook for Failure Analysis. London: HMSO, 1994 Schwarze, Francis W.M.R. Diagnosis and Prognosis of the Development of Wood Decay in Urban Trees. Australia: ENSPEC Pty Ltd. 2008 Sinclair, Wayne A., Lyon, Howard H., and Johnson, Warren T. Diseases of Trees and Shrubs. Ithaca, New York: Cornell University Press, 1987.Prince, Susan Duvall Visual Tree Assessment Feb 2018. Smiley, E. Thomas, Nelda Matheny, and Sharon Lilly, Tree Risk Assessment Best Management Practices, ANSI A300 Part 9: Tree, Shrub, and Other Woody Plant Management— Standard Practices (Tree Risk Assessment: Tree Structure Assessment). The International Society of Arboriculture Press. Champaign. IL. 2011. Thies, Walter G. and Sturrock, Rona N. Laminated root rot in Western North American. United States Department of Agriculture. Pacific Northwest. Resource Bulletin PNW-GTR-349. April 1999 Cody Herron ABC Herron Tree LLC 425-293-2443 ISA Certified Arborist #PN-6967A Certified Tree Risk Assessor mountainredd@comcast.net Page 9 of 9 19006 841h Ave W, Edmonds Waiver of Liability There are many conditions affection a tree's health and stability, which may be present and cannot be ascertained, such as, root rot, previous or unexposed construction damage, internal cracks, stem rot and more which may be hidden. Changes in circumstances and conditions can also cause a rapid deterioration of a trees' health and stability. Adverse amount of time. While I have used every reasonable means to examine these trees, this evaluation represents my opinion of the tree health at this point in time. These findings do not guarantee future safety nor are they predictions of future events. Any legal description provided to the consultant -appraiser is assumed to be correct. Any titles and ownerships to any property are assumed to be good and marketable. No responsibility is assumed for matter legal in character. Any and all property is appraised or evaluated as though free and clear, under responsible ownership and competent management the tree evaluation consists of an external visual inspection of an individual tree's root flare, trunk, and canopy from the ground. Care has been taken to obtain all information from reliable sources. All data has been verified insofar as possible; however, the consultant/appraiser can neither guarantee nor be responsible for the accuracy of information provided by others. Sketches, maps, diagrams, graphs and photographs in this report, being intended as visual aid, are not necessarily to scale and should not be construed as engineering or architectural reports or survey. As conditions change, it is the responsibility of the property owners to schedule additional site visits by the necessary professionals to ensure that the long-term success of the project is insured. It is the responsibility of the property owner to obtain all required permits form city, county state, for federal agencies. It is the responsibility of the property owner to comply with all applicable laws, regulations, and permit conditions. If there is a homeowner's association, it is the responsibility of the property owner to comply with all Codes, Covenants, and Restrictions (CC&R's) that apply to tree pruning and tree removal. This tree evaluation is to be used to inform and guide the client in the management of their trees. This in no way implies that the evaluator is responsible for performing recommended actions or using other methods or tools to further determine the extent of internal tree problems without written authorizations from the client. Furthermore, the evaluator in no way holds that the opinions and recommendations are the only actions required to ensure that the tree will not fail. A second opinion is recommended. The client shall hold the evaluator harmless for any and all injuries of damages incurred if the evaluator's recommendations are not followed of for acts of nature beyond the evaluator's reasonable expectations, such as severer winds, excessive rains, heavy snow loads, etc. The consultant/appraiser shall not be required to give testimony or to attend court by reason of the report unless subsequent contractual arrangements are made including payment of an additional fee for such services as described in the fee schedule and contract of engagement This report and all attachments, enclosures, and references, are confidential and are for the use of the client concerned. Loss or alteration of any part of this report invalidates the entire report. They may not be reproduced, used in any way of dispersed in any form without the prior consent of the client concerned and ABC Herron Tree LLC. This report constitutes a whole. No single piece of part can be used without the entire text. Any use or restricted copying nullifies the entire report. Cody Herron ABC Herron Tree LLC 425-293-2443 ISA Certified Arborist #PN-6967A Certified Tree Risk Assessor mountainredd@comcast.net ISA. Basic Tree Risk Assessment Form Client Kevin Jenkins Address/Tree location 19006 84th Ave W Edmonds WA 98026 Tree species Red Maple Acer rubrum Assessor(s) Cody Herron PN 6967A Date 5-23-21 Tree no dbh 35.5" Height 40' Time frame 30 min Tools use Target Assessment Time 9:15am I Sheet 1 _ Crown spread dia. 60' Tape/Rangefinder/I pad Gen 7 of 2 Target zone Occupancy M1• r 3 = y t 2 rate 1—rare $ ,, m c F Target description d a c 3 x u1 z—occasional F W ` F F 1Z ai —frequent3 u> u Fv 3~ 4—costant a` E z a 1 House ✓ 4 N N 2 Powerline ✓ 4 N N 3 Drive way ✓ 3 N N 4 Site Factors History of failures 7 signicant failures of limbs over 5" Topography FlatM Slope❑ NSA % Aspect N/A Site changes None ❑ Grade change ❑ Site clearing❑ Changed soil hydrology❑ Root cuts0 Describe Lawnmower damage Soil conditions Limited volume ❑ Saturated ❑ Shallow Compacted 0 Pavement over roots ❑ % Describe Prevailing wind direction Common weather Strong winds ❑ Ice ❑ Snow ❑ Heavy rain ❑ Describe Tree Health and Species Profile Vigor Low 0 Normal ❑ High ❑ Foliage None (seasonal) ❑ None (dead) 0 Normal 30 % Chlorotic 0 % Necrotic 70 % Pests None Abiotic Species failure profile BranchesE Trunk❑ Roots❑ Describe nPari nvarPxtPnriari limhs Load Factors Wind exposure Protected ❑ Partial ❑ Full 0 Wind funneling❑ None Relative crown size Small ❑ Medium ❑ Large 0 Crowndensity Sparse0 Normal❑ Dense[] Interior branches FewO Normal❑ Dense❑ Vines/Mistletoe/Moss❑ None Recent or planned change in load factors None Tree Defects and Conditions Affecting the Likelihood of Failure — Crown and Branches — Unbalanced crown 0 LCR 30 % Cracks 0 Cracks along dead leads Lightning damage ❑ Dead twigs/branches 0 70 %overall Max. dia. 10". Codominant 0 Several dead co -dominates Included bark 0 Broken/Hangers Number 0 Max. dia. 0 Dead limbs o Weak attachments 0 Cavity/Nest hole n /o circ. Over -extended branches 0 Pruning history Previous branch failures E 7 significant Similar branches present 0 Crown cleaned ❑ Thinned ❑ Raised p Dead/Missing bark 0 Cankers/Galls/Burls ❑ Sapwood damage/decay 0 Reduced ❑ Topped ❑ Lion -tailed ❑ Conks ❑ Heartwood decay 0 Flush cuts 0 Other Response growth ^'^^^ fr^^ i^ ir A—li— f,-- f,.—I Main concern(s) Tree appears to have Armilliaria root rot indcations lab testing would confirm. Over 70% of canopy is dead see r irfi,r Load on defect N/A ❑ Minor ❑ Moderate ❑ Significant 0 Heavy overhang house and powerlines Likelihood of failure Improbable ❑ Possible ❑ Probable 0 Imminent ❑ Dead limbs weakly attached. —Trunk — — Roots and Root Collar — Dead/Missing bark 0 Abnormal bark texture/color 0 Collar buried/Not visible ❑ Depth NSA Stem girdling ❑ Codominant stems 0 Included bark ❑ Cracks 0 Dead ❑ Decay 0 Conks/Mushrooms ❑ Sapwood damage/decay 0 Cankers/Galls/Burls ❑ Sap ooze ❑ Ooze ❑ Cavity ❑ 0 % circ. Lightning damage ❑ Heartwood decay Conks/Mushrooms ❑ Cracks ❑ Cut/Damaged roots 0 Distance from trunk 5' Cavity/Nest hole 0 % circ. Depth 0 Poor taper ❑ Root plate lifting ❑ Soil weakness ❑ Lean 0 Corrected? Response growth None Response growth Lawnmower damage old wound wood Main concern(s) white mycillium fans under lower trunk bark Main concern(s) Root rot likley indicative of Armillaria root rot Load on defect N/A ❑ Minor ❑ Moderate ❑ Significant 0 Load on defect N/A ❑ Minor ❑ Moderate 0 Significant ❑ Likelihood of failure Likelihood of failure Improbable ❑ Possible ❑ Probable 0 Imminent ❑ A Improbable ❑ Possible ❑ Probable 0 Imminent ❑ Page I of 2 Risk Categorization Likelihood -0 E u a) -0 Consequences Failure Impact Failure & Impact (from Matrix 1) c N +° Risk rating s „ a c Conditions L ° °' uLa Tar et g o a N o f 2 3 m v v, £ Y Y �, r- G a) of part (from c°� Tree part of concern a LL protection £ a a > ° _ ° > z 0 0 Matrix 2) Crown Dead limbs 10— 40' 1 None 0000000 • 000000o High 1 10"40' 2 None 0I0I0O 000I 0 00( o 0010 Mod 10— 40' 3 None OIOOO O 0 0 O0 000 High 000 000 100 00 000 0000 0000 0 000 2 00000 0 000 0000 0000 000 O O 3 0000 0000 000 000 0000 O 00 0 000 0000 010100 001010 00 0 0000 0000 O 00 000 000 4 010100 O 00 OI00 000 Matrix I. Likelihood matrix. Likelihood of Failure Likelihood of Impacting Target Very low Low Medium High Imminent Unlikely Somewhat likely Likely Very likely Probable Unlikely Unlikely Somewhat likely Likely Possible Unlikely Unlikely Unlikely Somewhat likely Improbable Unlikely Unlikely Unlikely Unlikely Matrix2. Risk rating matrix. Likelihood of Failure & Impact Consequences of Failure Negligible Minor Significant Severe Very likely Low Moderate High Extreme Likely Low Moderate High High Somewhat likely Low Low Moderate Moderate Unlikely Low Low Low Low Notes, explanations, descriptions This tree 70% dead with little live wood on the north side. This tree has indications of root rot. Lab testing could confirm pathogen type most likley Armilliaria with white mycelium fans present no rhizomorph found on level II inspection. Removal of this tree is recomended with stump grind. Locates should be observed. Mitigation options Removal of tree in its entirety. This tree is mostly dead with no chance of recovery North Residual risk Low Residual risk Residual risk Residual risk Overall tree risk rating Low ❑ Moderate ❑ High 0 Extreme ❑ Work priority 1 0 2 ❑ 3 ❑ 4 ❑ Overall residual risk Low 0 Moderate ❑ High ❑ Extreme ❑ Recommended inspection interval None Data M Final ❑ Preliminary Advanced assessment needed ❑No ❑Yes-Type/Reason Level II inspection performed Inspection limitations ONone ❑Visibility ❑Access ❑Vines ❑Root collar buried Describe Advanced would be required for further testing This datasheet was produced by the International Society of Arboriculture (ISA) and is intended for use by Tree Risk Assessment Qualified (TRAQ) arborists — 2013 Page 2 of 2