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Home My WebLink AboutRS_Aborist_Report_250815_v1 ISA Certified Consulting Arborists Page 1 of 11 19712 147th Ave SE, Renton, WA 98058 Office: 425-867-2307 Cell: 425-260-4293 Lic# MTREEMT870DO August 12, 2025 Project: Proposed Valvoline Site VIOC – Renton, WA GF Project No: 20241205.0 Address: 4225 NE 4th Street, Renton, WA Prepared for: Greenberg Farrow Architecture Inc Prepared by: Anne M Morey Project Arborist: Anne M Morey ISA Certified Arborist PN-9302A ISA Qualified Tree Risk Assessor Introduction: This Tree Retention and Protection Plan (TRPP) has been prepared in accordance with Renton Municipal Code (RMC) 4-4-130 to identify existing significant trees, their condition, and proposed disposition during site development. The plan also details tree protection measures, replacement planting, and credit calculations for compliance with City requirements. Site Description: The subject site is located at the northeast corner of NE 4th Street and Whitman Court NE. The project involves construction of a new Valvoline facility and associated site improvements. Existing vegetation consists of ornamental and native trees both on-site and within the adjacent Right-of-Way (ROW). Tree inventory and condition assessments were conducted to determine which trees will be retained, removed, or transplanted. ISA Certified Consulting Arborists Page 2 of 11 19712 147th Ave SE, Renton, WA 98058 Office: 425-867-2307 Cell: 425-260-4293 Lic# MTREEMT870DO A1 Populus tremuloides Quaking Aspen 9 Good Not ROW tree, retain viable tree Retain B1 Populus tremuloides Quaking Aspen 8 Good Not ROW tree, retain viable tree Retain Southeast corner of the lot has trees A1 & B1, 8” & 9” Quaking Aspen trees. They are established in their planting beds with a cement walkway to the north that lays well within the dripline of the trees. The tree protection outlined on this site plan surrounds the planting bed and is acceptable for this project. Any pruning for clearance shall be completed by or under the supervision of a Certified Arborist and should be done in fall/winter. ISA Certified Consulting Arborists Page 3 of 11 19712 147th Ave SE, Renton, WA 98058 Office: 425-867-2307 Cell: 425-260-4293 Lic# MTREEMT870DO Trees AA – EE Are a mix of 4” & 5” Red maples. These are ROW trees. AA Acer rubrum Red Maple 4 Poor ROW Tree, is in decline Remove BB Acer rubrum Red Maple 5 Good ROW Tree to retain Retain CC Acer rubrum Red Maple 5 Fair ROW Tree to retain Retain DD Acer rubrum Red Maple 5 Good ROW Tree to retain Retain EE Acer rubrum Red Maple 5 Fair ROW Tree to retain Retain ROW trees located on the west side of Whitman Court NE within the planting strip are drought stressed. Tree AA has a dead top and very sparse canopy. Suggested for removal. The rest of the trees in this planting strip should receive ample watering (10 gal per inch in diameter per tree) prior to and regularly during the dry months of construction. Any pruning shall be completed by or monitored by a Certified Arborist. The tree protection suggested is acceptable. ISA Certified Consulting Arborists Page 4 of 11 19712 147th Ave SE, Renton, WA 98058 Office: 425-867-2307 Cell: 425-260-4293 Lic# MTREEMT870DO Trees #1 and #2 are 8” & 9” Quaking Aspen on site within the construction area in the northeast corner of the lot. These are still young trees that can be pruned as needed by or monitored by a Certified Arborist if any work is done within the dripline of the trees. 1 Populus tremuloides Quaking Aspen 9 Good Corner of lot on the corner of whitman court, northeast and northeast fourth street Retain 2 Populus tremuloides Quaking Aspen 8 Good Anthracnose, overall fair condition, retain Retain ISA Certified Consulting Arborists Page 5 of 11 19712 147th Ave SE, Renton, WA 98058 Office: 425-867-2307 Cell: 425-260-4293 Lic# MTREEMT870DO 2018 Trees A – N are young trees that were planted between 2014 and 2016. Each tree is in good health and suggested to retain and transplant in the proposed planting strip, exact location to be determined for best chances of survival. A Acer rubrum Red Maple 4 Good New tree to be transplanted for ROW or on site Transplant B Acer rubrum Red Maple 5 Good New tree to be transplanted for ROW or on site Transplant C Acer rubrum Red Maple 5 Good New tree to be transplanted for ROW or on site Transplant D Acer rubrum Red Maple 5 Good New tree to be transplanted for ROW or on site Transplant E Picea species Spruce Species 4 Good New tree to be transplanted for ROW or on site Transplant F Picea species Spruce Species 4 Good New tree to be transplanted for ROW or on site Transplant G Picea species Spruce Species 5 Good New tree to be transplanted for ROW or on site Transplant H Picea species Spruce Species 5 Good New tree to be transplanted for ROW or on site Transplant J Picea species Spruce Species 5 Good New tree to be transplanted for ROW or on site Transplant K Picea species Spruce Species 4 Good New tree to be transplanted for ROW or on site Transplant L Picea species Spruce Species 5 Good New tree to be transplanted for ROW or on site Transplant M Picea species Spruce Species 5 Good New tree to be transplanted for ROW or on site Transplant N Picea species Spruce Species 5 Good New tree to be transplanted for ROW or on site Transplant ISA Certified Consulting Arborists Page 6 of 11 19712 147th Ave SE, Renton, WA 98058 Office: 425-867-2307 Cell: 425-260-4293 Lic# MTREEMT870DO Tree Inventory: Inventory performed by Anne Morey PN 9302A, on July 28, 2025. DBH measured at 4.5 ft above grade. Tree Tag Botanical Name Common Name Exact DBH Tree Condition Notes Retain or Remove 1 Populus tremuloides Quaking Aspen 9 Good Corner of lot on the corner of whitman court, northeast and northeast fourth street Retain 2 Populus tremuloides Quaking Aspen 8 Good Anthracnose, overall fair condition, retain Retain A Acer rubrum Red Maple 4 Good New tree to be transplanted for ROW or on site Transplant B Acer rubrum Red Maple 5 Good New tree to be transplanted for ROW or on site Transplant C Acer rubrum Red Maple 5 Good New tree to be transplanted for ROW or on site Transplant D Acer rubrum Red Maple 5 Good New tree to be transplanted for ROW or on site Transplant E Picea species Spruce Species 4 Good New tree to be transplanted for ROW or on site Transplant F Picea species Spruce Species 4 Good New tree to be transplanted for ROW or on site Transplant G Picea species Spruce Species 5 Good New tree to be transplanted for ROW or on site Transplant H Picea species Spruce Species 5 Good New tree to be transplanted for ROW or on site Transplant J Picea species Spruce Species 5 Good New tree to be transplanted for ROW or on site Transplant K Picea species Spruce Species 4 Good New tree to be transplanted for ROW or on site Transplant L Picea species Spruce Species 5 Good New tree to be transplanted for ROW or on site Transplant M Picea species Spruce Species 5 Good New tree to be transplanted for ROW or on site Transplant N Picea species Spruce Species 5 Good New tree to be transplanted for ROW or on site Transplant A1 Populus tremuloides Quaking Aspen 9 Good On site tree, retain viable tree Retain B1 Populus tremuloides Quaking Aspen 8 Good On site tree, retain viable tree Retain AA Acer rubrum Red Maple 4 Poor ROW Tree, is in decline Remove BB Acer rubrum Red Maple 5 Good ROW Tree to retain Retain CC Acer rubrum Red Maple 5 Fair ROW Tree to retain Retain DD Acer rubrum Red Maple 5 Good ROW Tree to retain Retain EE Acer rubrum Red Maple 5 Fair ROW Tree to retain Retain ISA Certified Consulting Arborists Page 7 of 11 19712 147th Ave SE, Renton, WA 98058 Office: 425-867-2307 Cell: 425-260-4293 Lic# MTREEMT870DO Tree Retention Requirements (30% of significant trees)3. Replacement Justification • The removal of Tree AA (poor condition) and retaining others aligns with city guidance; strict retention threshold is respected and reasonable tree replacement ensures continued canopy longevity. Replacement trees meet or exceed required credits. Tree Retention & Removal Summary • Retained On-Site Trees o Tree #1 – Quaking Aspen, 9" DBH, Good condition, located at the corner of Whitman Court NE and NE 4th Street. o Tree #2 – Quaking Aspen, 8" DBH, Good condition, has Anthracnose but deemed viable for retention with monitoring and proper care. o Tree A1 – Quaking Aspen, 9" DBH, Good condition, outside the ROW, viable tree to be preserved. o Tree B1 – Quaking Aspen, 8" DBH, Good condition, outside the ROW, viable tree to be preserved. • Removed Trees o Tree AA – Red Maple (ROW), 4" DBH, Poor condition, in decline; removal and replacement per City standards. • Transplanted Trees o Trees A–N – Combination of Red Maple and Spruce species (4–5" DBH), in good to fair condition, to be transplanted either on-site or into the ROW as required by the City. o Select ROW Trees – Where feasible and approved by the City, ROW trees in good or fair condition will be transplanted rather than removed. ISA Certified Consulting Arborists Page 8 of 11 19712 147th Ave SE, Renton, WA 98058 Office: 425-867-2307 Cell: 425-260-4293 Lic# MTREEMT870DO ISA Certified Consulting Arborists Page 9 of 11 19712 147th Ave SE, Renton, WA 98058 Office: 425-867-2307 Cell: 425-260-4293 Lic# MTREEMT870DO Protection Measures for Retained Trees 1. Tree Protection Fencing o Install 6’ high chain-link fence around the drip line or Tree Protection Zone (TPZ), per City of Renton detail. o Fencing to be installed prior to any site work and maintained for the duration of construction. 2. Signage o “Tree Protection Area – Keep Out” signs posted at 20’ intervals on fencing. 3. Prohibited Activities Within TPZ o No grading, trenching, or soil compaction. o No storage of materials, equipment, or debris. o No fueling or vehicle parking. 4. Arborist Oversight o A qualified ISA Certified Arborist will inspect retained trees before, during, and after construction activities. o Any pruning will comply with ANSI A300 Standards. Compliance Statement This plan is designed to comply with the City of Renton tree protection ordinance, ensuring preservation where feasible, removal only when necessary, and adequate mitigation for lost canopy. Thank you, please contact me if you have any further questions on this letter. Anne Marie Morey A & M Tree Service NW, Inc. President/Owner ISA Certified Arborist #PN-9302A ISA Qualified Tree Risk Assessor Office Voice Mail: 425-867-2307 Cell: 425-260-4293 Member of PNW and Western Chapters ISA ISA Certified Consulting Arborists Page 10 of 11 19712 147th Ave SE, Renton, WA 98058 Office: 425-867-2307 Cell: 425-260-4293 Lic# MTREEMT870DO Assumptions and Limiting Conditions 1) Any legal description provided to the A & M Tree Service NW, Inc. is assumed to be correct. Any titles and ownerships to any property are assumed to be good and marketable. No responsibility is assumed for matters legal in character. Any and all property is appraised or evaluated as though free and clear, under responsible ownership and competent management. 2) It is assumed that any property is not in violation of any applicable codes, ordinances, statutes, or other governmental regulations, unless otherwise stated. 3) Care has been taken to obtain all information from reliable sources. All data has been verified insofar as possible; however, A & M Tree Service NW, Inc. can neither guarantee nor be responsible for the accuracy of information. 4) A & M Tree Service NW, Inc. shall not be required to give testimony or to attend court by reason of this 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. 5) Loss or alteration of any part of this report invalidated the entire report. 6) Possession of this report or a copy thereof does not imply right of publication or use for any purpose by any other than the person to whom it is addressed, without the prior expressed written or verbal consent of A & M Tree Service NW, Inc. 7) Neither all or any part of the contents of this report, nor copy thereof, shall be conveyed by anyone, including the client, to the public through advertising, public relations, news, sales or other media, without the prior expressed written or verbal consent of A & M Tree Service NW, Inc. -- particularly as to value conclusions, identity of A & M Tree Service NW, Inc., or any reference to any professional society or to any initialed designation conferred upon A & M Tree Service NW, Inc. as stated in its qualifications. 8) This report and any values expressed herein represent the opinion of A & M Tree Service NW, Inc., and the fee is in no way contingent upon the reporting of a specified value, a stipulated result, the occurrence neither of a subsequent event, nor upon any finding in to reported. 9) Sketches, diagrams, graphs, and photographs in this report, being intended as visual aids, are not necessarily to scale and should not be construed as engineering or architectural reports or surveys. 10) Unless expressed otherwise: 1) information contained in this report covers only those items that were examined and reflects the condition of those items at the time of inspection; and 2) the inspection is limited to visual examination of accessible items without dissection, excavation, probing, or coring. There is no warranty or guarantee, expressed or implied, that problems or deficiencies of the tree or other plant or property in question may not arise in the future. Note: Even healthy trees can fail under normal or storm conditions. The only way to eliminate all risk is to remove all trees within reach of all targets. Annual monitoring by an ISA Certified Arborist or Certified Forester will reduce the potential of tree failures. It is impossible to predict with certainty that a tree will stand or fail, or the timing of the failure. It is considered an ‘Act of God’ when a tree fails, unless it is directly felled or pushed over by man’s actions. ISA Certified Consulting Arborists Page 11 of 11 19712 147th Ave SE, Renton, WA 98058 Office: 425-867-2307 Cell: 425-260-4293 Lic# MTREEMT870DO Methods Measuring We measured the diameter of each tree at 54 inches above grade, diameter at standard height (DSH). If a tree had multiple stems. We measured each stem individually at standard height and determined a single‐stem equivalent diameter by using the method outlined in the city of Seattle Director’s Rule 16‐ 2008 or the Guide for Plant Appraisal, 10th Edition Second Printing published by the Council of Tree and Landscape Appraisers. A tree is regulated based on this single‐stem equivalent diameter value. Evaluating We evaluated tree health and structure utilizing visual tree assessment (VTA) methods. The basis behind VTA is the identification of symptoms, which the tree produces in reaction to a weak spot or area of mechanical stress. A tree reacts to mechanical and physiological stresses by growing more vigorously to re‐enforce weak areas, while depriving less stressed parts. An understanding of the uniform stress allows the arborist to make informed judgments about the condition of a tree. Rating When rating tree health, we took into consideration crown indicators such as foliar density, size, color, stem and shoot extensions. When rating tree structure, we evaluated the tree for form and structural defects, including past damage and decay. A & M Tree Service NW, Inc. has adapted our ratings based on the Purdue University Extension formula values for health condition (Purdue University Extension bulletin FNR‐473‐W ‐ Tree Appraisal). These values are a general representation used to assist arborists in assigning ratings. Excellent ‐ Perfect specimen with excellent form and vigor, well‐balanced crown. Normal to exceeding shoot length on new growth. Leaf size and color normal. Trunk is sound and solid. Root zone undisturbed. No apparent pest problems. Long safe useful life expectancy for the species. Good ‐ Imperfect canopy density in few parts of the tree, up to 10% of the canopy. Normal to less than ¾ typical growth rate of shoots and minor deficiency in typical leaf development. Few pest issues or damage, and if they exist, they are controllable, or tree is reacting appropriately. Normal branch and stem development with healthy growth. Safe useful life expectancy typical for the species. Fair ‐ Crown decline and dieback up to 30% of the canopy. Leaf color is somewhat chlorotic/necrotic with smaller leaves and “off” coloration. Shoot extensions indicate some stunting and stressed growing conditions. Stress cone crop clearly visible. Obvious signs of pest problems contributing to lesser condition, control might be possible. Some decay areas found in main stem and branches. Below average safe useful life expectancy Poor ‐ Lacking full crown, more than 50% decline and dieback, especially affecting larger branches. Stunting of shoots is obvious with little evidence of growth on smaller stems. Leaf size and color reveals overall stress in the plant. Insect or disease infestation may be severe and uncontrollable. Extensive decay or hollows in branches and trunk. Short safe useful life expectancy