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HomeMy WebLinkAboutTR_Arborist Report Altitude Appartments_11222024A Plus Tree LLC www.aplustree.com Arborist Report for: Altitude Apts 1620 Benson Rd S, Renton WA, 98055 Prepared by Sophia Huang ISA Certified Arborist #WE-13598A sophia@aplustree.com Assumptions & Limiting Conditions Arborists are tree specialists who use their education, knowledge, and experience to examine trees, recommend measures to enhance their health and beauty, and attempt to reduce the risk of living near trees. Clients may choose to accept or disregard the arborist’s recommendations or to seek additional advice. Arborists cannot detect every condition that could possibly compromise the structure of a tree. Trees are living organisms that may fail in unpredictable or poorly understood ways. Conditions are often hidden internally or underground. Arborists cannot guarantee that a tree will be healthy or safe under all circumstances, or for a specific period of time. Treatment, pruning, and removal of trees may involve considerations beyond the scope of arborist services, such as property boundaries, property ownership, sight lines, neighbor or landlord-tenant disputes, etc. The person contracting the arborist accepts full responsibility for authorizing recommended treatments. Unless stated otherwise: 1) Information provided in this report applies only to trees that were inspected and reflects the condition of those trees at the time. 2) Inspection is limited to visual assessment from ground level and accessible areas; no excavation, sampling, or testing was performed. 3) There is no guarantee that tree problems or deficiencies will not arise in the future. Conditions change over time; to live near a tree is to accept some degree of risk. I hereby declare that the statements below and information are true to the best of my professional knowledge and belief. Page 2 of 6 Background This report concerns three trees at 1620 Benson Rd S, Renton WA, 98055, managed by Altitude Apts. A Plus was contracted to evaluate all trees on site and provide yearly maintenance recommendations. Three trees were identified for wildlife snagging. Observations 1. Western Cottonwood, Populus trichocarpa, about 13” DBH [See attachment 1 for photos] • Dieback in canopy • Leaning towards building 2. Western Cottonwood, Populus trichocarpa, about 13” DBH [See attachment 2 for photos] • Dead • Leaning towards road 3. Western Cottonwood, Populus trichocarpa, about 12.5” DBH [See attachment 3 for photos] • Dead • Leaning towards road Discussion 1. Western Cottonwood (13" DBH, Dieback, Leaning Towards Building) This tree exhibits canopy dieback and a significant lean towards a neighboring building. Due to limited access to the base, a full inspection is not possible, but the dieback suggests potential root or base failure. The tree poses a moderate risk of failure within 3 years, with high potential for significant damage to the building. 2. Western Cottonwood (13" DBH, Dead, Leaning Towards Road) The tree is dead and leaning towards an occasionally trafficked road. Whole tree failure is likely within 3 years, posing a moderate risk of severe injury or damage to vehicles or pedestrians. Snagging at 15 feet could reduce the risk while maintaining wildlife habitat. 3. Western Cottonwood (12.5" DBH, Dead, Leaning Towards Road) This dead tree leans towards the road, with limb failure probable within 3 years. There is a medium chance of impacting vehicles or pedestrians, presenting a moderate risk of severe injury. Limited access to the base hinders further inspection. Recommendation It is recommended to address these trees by creating wildlife snags for both dead or leaning specimens that pose a moderate risk. Snagging at appropriate heights will mitigate the potential for complete tree failure while maintaining Page 3 of 6 some ecological benefits for wildlife. Additionally, closer monitoring of the live tree showing canopy dieback is necessary to assess further signs of decline. Attachment 1 Populus trichocarpa 13” DBH Page 4 of 6 Page 5 of 6 Attachment 2 Populus trichocarpa 13” DBH Attachment 3 Populus trichocarpa 12.5” DBH . Page 6 of 6 Site Map 1. Populus trichocarpa 13” DBH 2. Populus trichocarpa 13” DBH 3. Populus trichocarpa 12.5” DBH