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TRE2021-00008 City of Tigard, Oregon • 13125 SW Hall Blvd. • Tigard, OR 97223 1111 TIGARD 01/28/2021 SCHWOEBEL, MICHAEL J & ANDREA E 12318 SW WINTER LAKE DR TIGARD, OR 97223 Re: Tree Removal Permit Record Number: TRE2021-00008 Dear SCHWOEBEL, MICHAEL J & ANDREA E: On 01/28/2021 you submitted an application for tree removal at 12318 SW WINTERLAKE DR. Your application specified that: 1 Douglas Fir is/are proposed for removal. Based on the information supplied on your application, this is a simple tree removal permit request. City staff has reviewed your application and based on the relevant approval criteria in the Urban Forestry Manual, your application has been: Sensitive Lands Tree Replacement Required Approved with conditions: The applicant shall plant a replacement tree for each tree removed, or pay a fee in lieu of planting, in accordance with the Sensitive Lands Tree Replacement Standards in Section 6, part 2 of the Urban Forestry Manual. This decision is final and valid for a period of up to one year after issuance unless otherwise specified. Nothing prevents you from submitting another tree permit application if the conditions and circumstances surrounding this removal have changed. If you have any questions, please contact us at arborist@tigard-or.gov or 503-718-2421. Please be sure to reference record number- TRE2021-00008. Best regards, Community Planning Division City of Tigard City ofTigard I COMMUNITY DEVELOPMENT DEPARTMENT " Tree Removal Permit Application TIGARD Solicitud de Permiso para Remover Arboles PROPERTY ADDRESS I DIRECCION DE LA PROPIEDAD REQUIRED SUBMITTAL Address (Direccion): 12318 Sw Winter Lake Drive Tigard, Oregon 97223 ELEMENTS lOwner's REQUISITOS PARA APLICAR APPLICANT I SOLICITANTE Signature/Written Name (hombre): Andrea Schwoebel Authorization Address (Direccidn): 12318 Sw Winter Lake Drive Tigard,Oregon 97223 Firma del dueio/Autoriiacidnpor escrito Phone (Tel):_503.449.6285_Email: andrea.schwoebel@gmail.com Site Plan(show location& Owner(Duerio):Andrea & Mike Schwoebel c�c2 Same as applicant s ecies of each tree,2 copies) (Igual al solintante) roquis(Indicar ubicacidny eipecie de CONTRACTOR/ARBORIST INFORMATION cada arbo!2 copiar) INFORMACION DEL CONTRATISTA/ARBOLISTA Documentation (from removal Company(Compafia): Alder Creek LLC criteria) Phil Hennemon Do mentacidn(del criteria de Contact person(Contacto): octon) ISA/CCB#: / 179018 Expiration(Expiration): pplication Fee(complex only) Address (Dbeccldn): 21977 SE, OR-224, Damascus, OR 97089 Pago (rolopara elproceso compl¢ejo) Phone (Tel): (503) 348-9053 Email: aldercreektreeservice@gmail.com TREE INFORMATION—to be completed by applicant INFORMACION DEL ARBOL — el solicitante debe completar esta parte Fir - see attachedexplanation and photo FOR STAFF USE ONLY Tree species (Espetie del arb0 . p Solo para use del personal #of trees (#de arboles): 1 REVIEW PROCESS Tree location (Ubicaczdn delarbol): on our property - see map attached !, Simple ❑ Corn lex Fee(complex only): / Reason(s)for Tree Removal I Razones pars cortar el drbol Case No.: :. I. SIMPLE REVIEW PROCESS I PROCESO DE REVISION SIMPLE Related Case No(s): ❑ Tree is a hazard as determined ❑ Tree is dead(Arbol esta muerlo) Applicatip accepted: by anArborist(El arbo!esun Q pehgro segtin to determinade por un ❑ Removal required for approved land use or By: /�O Date: .� arbolista) building permit(Necesario Para la aprobacion de un permiso de use de suelo o construccan) Applic lion determined compl to e: �� 0 Tree is in an advanced state of 1r/,+���V decline(Arbolesta en estado de ® Roots are causing damage By: Date: deterioro avan ado �+s rakes estan caucando daffo) Z ) roots are gone-ripped out byfallen tree Translated El Conflicts with TSP Project El Thinning necessary to protect other trees (Confllcto con un proyect°de (Es necesario ralear para proteger otros arbaler) By: Date: 10/4"... transportacidn TSP) ❑ Location does not meet planting standards P g I:\Community Development\Land Use Applications\02_Forma (f]bicattdn no cumple con norms de plantation) and Templates\Land Use Applications Rev.09/2018 ❑ Species is on nuisance tree list (La espetie estd en la lirta de arboles ❑ Recommended by fire marshal problematicos) (Fue rwomendado per el manscal de incendios) ❑ It is infested with pests or disease 0 Tree has sustained physical damage (Estd infestado con plagas o (Athol estd frsicamente darr"ado) enfermedades) For complex reviewprocescsee next page I Pant elpnzrso de pea/lea-ion comp/ejo sra la prdxbna Arita City ofTigard • 13125 SW Hall Blvd. • Tigard,Oregon 97223 • wwwtigard-or.gov • 503-718-2421 • Page 3 of 4 TREE REMOVAL PERMIT APPLICATION II. COMPLEX REVIEW PROCESS (check applicable reason and provide brief proposal summary) PROCESO DE REVISION COMPI.FJO(Marque el motiva mphcable),di una explicaaom breve) ❑ Blocking views or solar access ❑ Undesirable species ❑ Other (explain below) (Bloqueo de vista o axes°solar) (Especie no deseada) Otro (explique debajo) Please leave blank for staff Dejar en blanco para el personal THE APPLICANT SHALL CERTIFY THAT: EL SOLICITANTE CERTIFICA QUE: • The above request does not violate any deed restrictions • La solicited anterior no viola ninguna restriction de las that may be attached to or imposed upon the subject escrituras de la propiedad que pueda ser conectada a a impuesta property. sobre la pmpiedad en cuestian. • If the application is granted,the applicant will exercise the • Si la solicited es cancedida, el solidtante eercerd los derechos rights granted in accordance with the terms and subject to concedidas de acuerdo can los terwinos y sujeto a las condicionesy all the conditions and limitations of the approval limitadones de la aprobacion. • All of the above statements and the statements in the plot • Todar lar declarations anterioresy las declaradones en el plan,attachments,and exhibits transmitted herewith,are cmquis,los documentos ad untos,y muestras trasmitidas,son true;and the applicants so acknowledge that any permit verdaderas,y los solicitantes asi reconocen gue cualquierpermisa issued,based on this application,and may be revoked if it is cancedido, basado en esta solicited,puede ser revocada si se found that any such statements are false. encuentra que alguna de estas afirmaciones es falsa. • The applicant has read the entire contents of the • El solicitante ha leido todo el contenido de la aplicacion, application,including the policies and criteria,and induyendo las politicasy criteriosy camprende los requisitos para understands the requirements for approving or denying the aprobar o negar la solicitud. application. SIGNATURES of each owner of the subject property required. FIRM AR(le rarla rinrnn de Is nrnniedad en cuestiOn requeridas. _oiciitayGje Andrea Schwoebel 503.449.6285 Jan. 25th 2021 .+nn�frnnrc c,rrv,nr„rP rern,n no, rolentante) Ooter7 ,1710� Andrea Schwoebel 503.449.6285 20215th LJW11cL a 51guatine µ'tern° act dueno) Print name (Nambre) Date (Fecha) gf 4.4 Mike Schwoebel 503.756.6135 Jan. 25th 2021 ner's si a trma del duefo) Print name (Nambre) Date (Fecha) Authorized agent's signature Print name (Hombre) Date (Fecha) (Firma de agente autorkado) City ofTigard • 13125 SW Hall Blvd. • Tigard,Oregon 97223 • www.tigard-rn.gov • 503-718-2421 • Page 4 of 4 We request a permit to remove a Fir that sustained storm damage and appears to be a clear danger for falling on our house close by. An adjacent Fir blew over on the night of January 12 creating a large cavity right at the base of this tree on its west side. Gusts from the west at 26 mph were recorded at the time the downed Fir fell. The cavity formed by the fallen tree is about 8' in diameter and is about 3'deep and most worrisome, is right at the edge of the trunk of the tree we want removed. The trees were close together and the roots were intertwined. In falling,the downed Fir ripped out the roots of the remaining Fir The remaining Fir has no root support to anchor it on the west side because of the void and is an imminent danger of falling on our house immediately to the east, especially if winds from the west as we saw on January 12 return. When it is windy, it is nerve wracking to try to sleep downwind from this damaged tree knowing it could easily crush into our house. If a permit is required,we request permission to remove this tree as soon as possible. Thank you very much, Sincerely Andrea Schwoebel 503.449.6285 'fj f:' • . 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' mu - ,, -0;firt,*37-4.. ..* • , ,,,, ' 41,400,6' p, .. .---".-- • ' .t, '7 ' . % , 4.:' . , . , I ' , •• .1 . 0. 40' p ..., ,...' t trilt*A. . - :.•--- 1 ' .,, ''''' City ofTigard TIGARD Tree Risk Assessment Form Hazard Rating: 3 4 3 10 Probability + The Target + Size of = Overall Risk of Failure Area Defective Part Rating Recommended Hazard Tree Abatement Procedures: Remove Tree Property Address: 12318 SW Winterlake Drive Location: ❑ Public IN Private 0 Right-of-Way Protected Tree: ® Yes 0 No Tree Species: Douglas—fir (Pseudotsuga menziesii) Diameter at Breast Height (DBH): 27—inch Tree Height: 117 feet Crown Spread: 27 fee t Tree Part Subject of Evaluation: whole tree Diameter of Subject Tree Part: 27—inch Distance to Target of Subject Tree Part: 27 feet Length of Subject Tree Part: 117 feet Target: house/master bedroom Occupancy of Target: 0 Occasional Use ❑ Intermittent Use 0 Frequent Use ® Constant Use Date of Evaluation: January 28, 2021 Tree Risk Assessor: Todd Prager ISA Number: WE-6723B Tree Risk Assessor Signature: *Fill out this and supplemental rating form completely and attach:1)photos of the tree;2) an aerial photo showing the location of the tree on the subject property;and 3)a supplemental tree risk assessment report more fully describing whether the definition of hazard tree has been met and,if necessary,recommended hazard tree abatement procedures. Appendix 1 Probability of Failure(1-5 points) (d) One Low Defect is not likely to lead to Minor branch or crown dieback,small wounds,minor defects. I point j imminent failure,and no further action is required. In many cases, defects might not be recorded. Moderate One or more defects areas well- Several defects present. 2 points established but typically do not lead to • Shell wall exceeds minimum requirement failure for several years. Corrective • Cracks initiated but no extensive decay action might be useful to prevent • Cavity opening or other stem damage less than 30%of circumference future problems but only if time and • Crown damage or breakage less than 50%of canopy(30°o in pines) money are available. Not the highest • Dead crown limbs with fine twigs attached and bark intact priority for action,these are retain and • Weak branch union such as major branch or codominant stem with monitor situations used to inform included bark budget and work schedules for • Stem girdling roots with less than 40%of circumference compressed subsequent years. • Root damage or root decay affects less than 33%of roots within the critical zone • Standing dead tree that is recently dead(still has fine twigs)and no other significant defects Moderately One or more defects areas well- Areas of decay that may be expanding trees that have developed a recent High established,but not yet deemed to be but not yet critical lean;cracks noted but may be stable;edge trees that 3 points a high priority issue. Additional may adapt and become more stable. testing may be required or,the assessor may feel the problems are - g not serious enough to warrant immediate action,but do warrant placing the tree on a list of trees to be inspected more regularly. These are Retain and Monitor trees. _ High The defect is serous and imminent One or more major defects present. 4 points ' failure is likely and corrective action is • Insufficient shell wall thickness required immediately. These cases • Large cracks,possibly associated with other defects require treatment within the next few • Cavity opening greater than 30%of circumference days or weeks. • Crown damage or breakage more than 50%of canopy(>30°4 in pines) • Dead crown limbs with no fine twigs and bark peeling away. May be some saprophytic fungal evidence • Weak branch union has erack(s)or decay • Stem girdling root affects 40%or more of trunk circumference • More than 33%of roots are damaged within the critical zone • Tree is leaning. Recent root breakage,or soil mounding,or cracks, or extensive decay evident • Standing dead tree,has very few fine twigs,and no other significant defects Extreme The tree or component part is already Multiple high or extreme risk defects present. 5 points failing. An emergency situation where • Shell wall is already cracked and failing treatment is required today. • Major cracks already open,such as hazard beams or split trunks • More than 30%of circumference defective and cracks or decay obvious • Dead crown limbs,no line twigs,no bark,decay present • Weak branch union has crack(s)and decay • Leaning tree with recent root failure,soil mounding,and cracks or extensive decay • Dead branches hung up or partly failed • Visual obstruction of traffic signs/lights at intersections • Any partly failed component or whole tree • Standing dead trees that have been dead for more than one season with l multiple defects such as cracks,decay,damaged roots,shedding bark Appendix 1 The Target Area(1-4 points) (V) One Low Sites rated at one point are very rarely used for any long period of time,and people passing through the 1 point area(regardless of how they travel)do not spend a lot of time within the striking range of the tree. There are no valuable buildings or other facilities within striking range. Examples are seldom used back country roads or trails,seldom used overflow or long-term parking,industrial areas where workers drive machines(trucks,forklifts,tractors)with substantial cab protection;natural or wilderness areas; transition areas with limited access;remote areas of yards,parks,or private lands open for public use within set hours. All of these sites have relatively low occupancy within any one day. Moderate Valuable buildings are at the edge off the striking distance,so they would not be seriously damaged even 2 points if the tree did fall down. The site has people within striking range occasionally,meaning less than 50% of the time span in any one day,week,or month,and do not stay within striking range very long. Examples include areas that are used seasonally;more remote areas of camping areas or parks;minor rural roads;picnic areas;low to moderate use trails;most park and school playgrounds.** Moderate to low use parks,parking lots with daily use;secondary roads and intersections,dispersed camping sites, moderate to high use trails,works and/or storage yards. Moderatel 'Ilse site has valuable buildings within striking range. People are within striking range more than 50%of y the time span in any one day,week,or month,and their exposure time can be more than just passing High by. Examples include secondary roads,trails,and access points;less commonly used parking areas and 3 points trails within parks;trails alongside fairways,bus stops. High The highest rated targets have a)a building within striking range frequently accessed by people,often 4 points for longer periods of time,or high volumes of people coming and going within striking range. Valuable buildings or other structures within striking range that would suffer major structural damage in the event of tree failure or;b)people within striking distance of the tree,or both,seven days a week,all year long,and at all times of the day. Examples include main roads,the busiest streets or highways;high X volume intersections power lines;*paths through busy open space areas and parks;short-term parking constantly in use;institutional buildings such as police stations,hospitals,fire stations;shopping areas; highly used walking trails;pick up and drop off points for commuters;golf tees and greens;emergency access routes and/or marshalling areas;handicap access areas;high use camping areas,visitor centers or shelters;residential buildings;industrial areas where workers take outside breaks;development sites where work activity-within striking range lasts snore than a few hours at a time. *There are very specific safe work practices required when working close to Power Lines. These vary depending on location,but all employ similar principles. **It is recognized that there is a tendency to rate playgrounds higher simply because children are involved. Most playgrounds are occupied for short periods of time in daylight hours. Overall,their use is infrequent when compared to other locations such as busy streets. Size of Defective Part(1-3 points) (V) 1 point Branches or stems up to 10 centimeters(4 inches)in diameter 2 points Branches or stems between 10 to 50 centimeters(4 to 20 inches)in diameter. 3 points Branches or stems greater than 50 centimeters(20 inches)in diameter. X *In some cases,there may be large areas of sloughing back bark,dwarf mistletoe brooms,branch stubs,or large bird nests in cavities that pose a risk. The assessor must use his or her judgment to assign a number to these components. In general,the lowest rating(1 point)is reserved for component parts that would not create much impact on a person or property if it were to fail. The highest rating is used for parts that have the potential to kill people or seriously damage property. Appendix 1 Overall Risk Rating and Action Thresholds (1) One Risk Risk Category Interpretation and Implications Rating 3 Low 1 Insignificant—no concern at all. 4 Low 2 Insignificant—very minor issues. 5 Low 3 Insignificant—minor issues not of concern for many years yet. 6 Moderate 1 Some issues but nothing that is likely to cause any problems for another 10 years or more. 7 Moderate 2 Well defined issues—retain and monitor. Not expected to be a problem for at least another 5-10 years. 8 Moderate 3 Well defined issues—retain and monitor. Not expected to be a problem for at least another 1-5 years. 9 High 1 The assessed issues have now become very dear. The tree can still reasonably be retained as it is not likely to fall apart tight away,but it must now be monitored annually. At this stage,it may be reasonable for the risk manager/owner to hold public education sessions to inform people of the issues and prepare them for the reality that part or the entire tree has to be removed. • 10 I ligh 2 The assessed issues have now become very clear. The probability of failure is now getting serious,or the target rating and/or site context have changed such that mitigation measures should now be on a schedule with a clearly defined x • timeline for action. There may still be time to inform the public of the work being planned,but there is not enough time to protracted discussion about whether or not there are alternative options available. 11 High 3 The tree,or a part of it has reached a stage where it could fail at any time. • Action to mitigate the risk is required within weeks rather than months. By this stage there is not time to hold public meetings to discuss the issue. Risk reduction is a clearly defined issue and although the owner may wish to inform ! the public of the planned work,he/she should get on with it to avoid clearly foreseeable liabilities. 12 Extreme This tree,or part of it,is in the process of failing. Immediate action is required. All other,less significant tree work should be suspended,and roads or work areas should be closed off,until the risk issues have been mitigated. This might be as simple as removing the critical part,drastically reducing overall tree height,or taking the tree down and cordoning off the area until final dean up,or complete removal can be accomplished. The immediate action required is to ensure that the dearly identified risk of harm is eliminated. For areas hit by severe storms,where many extreme risk trees can occur,drastic pruning and/or partial tree removals,followed by barriers to contain traffic,would be an acceptable first stage of risk reduction. 'There is no time to inform people or worry about public concerns. Clearly defined safety issues prelude further discussion. The Table shown above outlines the interpretation and implications of the risk ratings and associated risk categories. This table is provided to inform the reader about these risk categories so that they can better understand any risk abatement recommendations made in the risk assessment report. Notes: The ad'acent tree recently failed and roots of up to 6-inch diameter have been broken on the west side of the subject tree. The tree is now fully exposed to west winds and its structural stability has been compromised by the recent failure. It also has an unbalanced crown and marginal to poor trunk taper. Appendix 1 Vicinity Map gl a?la MapTitle Beaverton — • Tigard City of Tigard, Oregon f '` Unimproved Right of Way CWS vegetated Corridor Tlralatirt Goal 5 Significant Habitat Areas Highest Value Habitat i Moderate Value Habitat Lower Value Habitat • Ix S Y,. 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