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HomeMy WebLinkAboutR-433425CITY OF RENTON I PERMIT SERVICES TREE RETENTION AND CREDIT WORKSHEET TREE RETENTION REQUIREMENTS A minimum retention of thirty percent (30%) of all significant trees (as defined in RMC 4-11-200) is required on site. Please complete the form below to verify compliance with minimum tree retention requirements. Identify total number of trees 6-inch caliper or greater (or alder or cottonwood trees 8-inch caliper or greater) on site: 45 Trees • Deductions - Certain trees are excluded from the retention calculation: o Trees that are high -risk, as defined in RMC 4-11-200: 1 Trees o Trees within existing and proposed public right-of-way: 15 Trees o Trees within wetlands, streams, very high landslide hazards, protected slopes, and associated buffers: 0 Trees • Total remaining trees after deductions: 29 Trees • Required tree retention (30%): 8.7 Trees Required • Identify number of trees proposed for retention: 20 Trees Proposed • Identify number of trees requested for replacement in lieu of retention (skip page 3 if no tree replacement is requested): -11.3 Trees TREE CREDIT REQUIREMENTS Tree credit requirements apply at a minimum rate of thirty (30) credits per net acre. Complete the form below to determine minimum tree credit requirements. • Gross area of property in square feet: 57900 Square Feet • Deductions: Certain areas are excluded from tree credit calculation: o Existing and proposed public right-of-way: 0 Square Feet o Wetlands, streams, very high landslide hazards, protected slopes, and associated buffers: 0 Square Feet • Total excluded area: 0 Square Feet • Net land area (after deductions) in square feet: 57900 Square Feet • Net land area (after deductions) in acres: 1.33 Acres • Required tree credits: 40 Tree Credits Required TREE RETENTION AND CREDIT WORKSHEET PROPOSED TREE CREDITS Please complete the table below to calculate the total tree credits proposed for your project. Identify the quantity of trees for each tree category, after deducting trees within excluded areas, as shown in the previous section. TREE SIZE TREE CREDITS TREE QUANTITY TOTAL TREE CREDITS RETAINED TREES Preserved tree 6 - 9" caliper 4 7 28 Preserved tree 10-12" caliper 5 3 15 Preserved tree 12 -15" caliper 6 9 54 Preserved tree 16-18" caliper 7 0 Preserved tree 19-21" caliper 8 1 8 Preserved tree 22-24" caliper 9 0 Preserved tree 25 - 28" caliper 10 0 Preserved tree 29-32" caliper 11 0 Preserved tree 33 - 36" caliper 12 0 Preserved tree 37" caliper and greater 13 0 NEW TREES New small species tree (30' or less at maturity) 0.25 6 1.5 New medium species tree (30' to 50' at maturity) 1 6 6 New large species tree (50' or more at maturity) 2 0 TREE CREDITS PROPOSED: 112.5 Time Trunk TREE PROTECTION ZONE : The defined area around a time within which certain adwiit'ies are prohibited or restricted to r potential (TPZ) p p event or minimize lama a b tree arts rook ambor soil tlud mnsWction or tlevelo menl activitlas. The TP2 may a ass the CRZ and be basetl on the'ud ment of the 9 D r,g P Y noomD 1 9 oroiect amorist. a. CRITICAL ROOT ZONE CRZ: The CRZ of a treelsa lan,, model for the area of soil around a tree'. trunk where the minimum volume of mots considered 1 1 p critical toit the structural stability andlor health of the bee are generally -..Il Root systems will vary both in ng the and spread depending on the size u the tree, soils, water tale, specks, and other factors. While there is no universally acoapktl malhotl for wkuktirg the CRZ, UFSIBC calculates the CRZ using bunk bilizecl odel'the at Z I feet above grade (DS pl The CRZ is a w (ci l,) and I, r area that has a from a ol6 inches to every inch bunk diameter. As a generelbetl model the CRZ's often shown as a simple geomaldc shape (i role) antl s used as a guide flan whxm the specilletl TPZ'. eskbl shetl b. CALCULATED TREE PROTECTION ZONE (CTPZ) - The CTPZ .1 a trees also a planar ...I fo, the area & so I around a bees bunk where cm cal root. are expected to res de. Root system, .,It vary both In depth and spread depend ng on the size M the tr- ab Is water kble .Poi es and oths, factors. The CTPZ -s calculated us ng bunk d amete, (DSH) and a muldpl cello, factor delved from anal,. s of the tree s species tolerance to consbavl on -mpacts and the tree s relat ve age. As a general zetl model, the CTPZ', often shown as a simple geometne shape hi,.) and -, used as a guide from witch the epecifetl TPZ is established. c. SPECIFIED TREE PROTECTION ZONE (STPZ) - The STPZ a -te for real-wodd factors and is adju in s¢e and slaps by the project -rat to -b mod -existing inhasWCWre, planned obbehudion, and species aspects of the site. Tree canopy condormsixi visible o, dihx emb d root xdentalion Condition, m ilmith, and species response to co-,tb c ion Impacts are also considered by the project amorist when determining - efecliv, STPZ. The CRZ and CTPZ am typically used W intonm the STPZ. BM Urban Forestry Services TREE PRESERVATION ZONE (TPZ) EXPLANATION BA RTLE T CONSULTING AN meo-hobehovel.bamox, AN51A"Pad5andthewmpaMoneMPflMrd hou. ftvma -.. n change 15hdy h' .ghom old ile d pprmarhes roVee pmre " (e. °RZ). x•em„ar, ea wow - l b cmmre mza. row t ..[r Soo t.. mvrapgia pow a Tree axpe�canpany"'pgem'arn TPZ-a1 144 �M. P 01 o N o lip \� Fp 92 EXP. 0 PSG 4NDSCAPE Urban Forestry Services BARTLETT CONSULTING Divisions of The F.A. s1m1b Tree Expert company UFSIBC TREE PROTECTION SIGNAGE SPECIFICATIONS AND INSTALLATION INSTRUCTIONS 1. Tree Protection Signs must be attached to tree protection fencing only (do not attach to trees or other vegetation) and must be shown as required on plans and construction documents. 2. Install and secure tree protection fencing per the placement and specifications outlined in the project's tree protection plan. 3. Signs may be produced by a professional sign service or printed and laminated by the contractor or other project representative(s). • Print signs 9 at full scale -minimum 11"x17" (Tabloid), landscape orientation. • Print signs in full color using the attached source document colors. 9 • Sign material and printed content must resist normal and expected weather for the life of the project - i.e., rainwater, freeze -thaw events, solar radiation, wind, etc. • If the sign is printed and laminated with clear plastic, all edges must be adequately sealed with laminate to prevent water incursion, and the laminate must be thick enough to support the attachment points. 4. Affix signs to tree protection fencing using zip ties, wire, or other substantial and secure materials/methods at the dashed attachment circles shown in the corners. Whatever material or method is used for attachment, it must withstand normal and expected weather for the life of the project. 5. Place signs every 15 feet at the upper half of the fence line. Signs should be visible and obvious to construction personnel, especially equipment operators, and should be visible from nearby roadways (if applicable) and site access points. 6. Signs must remain in place and be maintained in clear, readable condition for the life of the project. Upon discovery, signs that become faded, damaged, or go missing must be replaced immediately. Signs may only be removed after fencing has been removed, per the project's tree protection plan. 7. For questions and more information on these specifications and instructions, please contact Urban Forestry Services I Bartlett Consulting (UFSIBC) at 1(360)399-1377. 11" x 1 ]- full color Time Protection Fenoing: weather resistant sign Not to scale or spec. placetl every 15' along "t see tree protect on plan the fence line for details n\ r Urban Forestry Services I Bartlett Consulting • A Division of the F.A. Bartlett Tree Expert Company 15119 McLean Road, Mount Vernon, WA • 1(360)399-1377 • www.urbanforestryservices.com TREE PROTECTION ZONE AND SIGNAGE 3" = 11-011 _:ram r r".i:o-�-� rr•••••.....�p... _ _�� v�� •-♦rr•. • •..........� �._-_.___�____---.-.--� �:.:......._.....-_-_•_•_-_._._______.-.-.-��.:.:......._._.....-_•_-_•_•_�_�_•_rrr♦♦........... _._ y � •"r . ter... - 1t11Id U•♦♦♦♦♦♦♦♦..U♦•t�'<.�•♦•♦♦♦•♦♦••••••♦•♦♦♦♦1♦♦♦ nit•♦.♦.�♦...•♦♦♦1a•.♦♦•• ywr:♦. r ♦ • •♦�•�.�iiiii DO_li!ii Lt_�1_!�!�1�2i!�!O-�!�!J-•!�!�•iiii ••iii0•ii00•iii! . clearance as ♦♦•i _ �•�•i•�i�'�'�'�•�i��e� w�i+i is i•�•� �•�•�•�•�•�•�•� �•�•i �•�•�•i �•�•ii•�•i•�•�•1•♦• /••••• �Af_LAA♦- �1_J .ARw} �� • .1 I• 1 1 1 1 ♦ / - i` i `i i i ii : ♦ ��!i: ii R�n i •ii �•i iii ii• i i�i �iiiit , - . • • .: .. •. •nstructi•' o •ii ♦! i�'i� �.•i• •�•������� ���� • • ,�••^.,•:...;.w:a..::..,.::•:::::.Q:.......���Ot 4!♦!♦!O57 aafwrd`r+if� •9.w•i�! .. • _ _ .• -!''!!:a.�1 ::°:'moo•♦ ....:: ...' 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See Arborist Report for details and explanations Inventoried and Assessed Tree Recommended Action O Retain - Protection Required X Remove - Direct Impacts (Tree 38 is recommended for removal due to poor condition) Tree Protection Recommended Treatments * See the attached Tree Assessment Tree Protection Fencing Matrix for individual tree details. 1 Specified Tree Protection Zone (STPZ) See the Attached TPZ Explanation for details. 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W W W W ` V W AC.P � --rit_ - - I CH.ON LY W W AT _ TREES 1-6 ARE IN S 3RD ST ROW W i50 - 4' STONE, "PIAllA" MVJ-6 ---- - MIC 23e 04 'fD 2811 AND NOT COUNTED TOWARDS TREE W, 6" CPP C8 72731 LID 37.00 349 I 36.09 E LEV 36 .69 ® TOP OF VC RIM 3 8.44 MH 72 RIM EDIT E, 12" METAL SD CONIC IE 35.2 NW, RENTENTION CREDITS N, 12" METAL RIM 35.99 IE 34.3 W, 6 C Aspillil " CONC SIG Symbols: (Approximate location) - Areas of Expected Significant Change Inventoried and Assessed Tree Tree Preservation Zones (TPZ)' - Based on improvement areas shown on p Expected Impacts Calculated Tree Protection Zone CTPZ preliminary Architectural and Landscape ( ) plans provided by Hewit and Graham Baba. 0 Direct See Arborist Report for details and O Major Generalized canopy spread explanations Critical Root Zone (CRZ) O Minor * See the attached Tree Assessment O Negligible *See the attached Tree Preservation ' = Map Extent Matrix for individual tree details. • none Zone Explanation for details.:: 08/13/2024 topographic survey base plan overlay produced by KPG and provided by the City of Renton. 2023 Aerial imagery retrieved from King County GIS Portal - L7 v h h E •j L J 3 lym� � U m to � '•Qm z ��o O t �� � N NOTES Il H a w m>� � w 1. REFER TO ARBORIST REPORT INCLUDED WITH BID PACKAGE. = 2. PROVIDE TREE PROTECTION FENCING PER TREE PROTECTION SITE PLAN. 3. TREE REPLACEMENT IS NOT REQUIRED ON THIS PROJECT SINCE THE PROJECT MEETS THE 30% TREE RETENTION MINIMUM. oR 40 TREE CREDITS REQUIRED 112.5 TREE CREDITS PROVIDED N O , LL C= E Qi Q E � N � N W � , O N U uj r DO O a' M o �� m N N c) H N0� © Urban Forestry Servicesl Bartlett Consulting -A Division of The F. A. Bartlett Tree Expert Company, October 2024. These documents have been prepared specifically for the above -named project. They are not suitable for use on other projects, or in other locations, and/or without the approval and participation of the The F.A. Bartlett Tree Expert Company. Pacific Northtbwest`` TA-06 d 0, '' E a o •� J g IYm� U O1 m n M 0Qn N i Z d -m N E.'D. m 1 w m>� to zo 'o -O m Q i c to Q� E Q� C: 0 E M U) N N (6 -0 I_ W to N CD 5 CO E O m N N co H N� © Urban Forestry Servicesl Bartlett Consulting -A Division R 4 3 34 2 5 The F. A. Bartlett Tree Expert r Company, October 2024. These documents have been prepared specificallyfor yare of suitable IN COMPLIANCE WITH CITY OF RENTON STANDARDS project. They are not suitable for use on other projects, or in other locations, and/or without the approval and participation of the The F.A. Bartlett Tree Expert CURRENT PLANNING Company. i t DEVELOPMENT ENGINEERING ' Pacific NhweISA amorganroth orts08/12/2025 asG msippo 08/13/2025 TA-04 H E W ITT SURVEYED SCALE VERTICAL: NAVDATE D 1988 RENTON MARKET &PIAZZA HORIZONTAL: NAD 1983/1991 CITY O F FIELDB 25 DESIGNED: PER PLAN CIVIL CONSTRUCTION PERMIT PAGE: 106 Lenora Street � FIELDBOOK Seattle, WA 98121 DRAWN DATUM 0M IN RENTON ONE INCH DRAWING NO: f� (206) 624-8154 iv CHECKED: F NOT O SCALE L� 02 IF NOT ONE INCH • SCALE ACCORDINGLY Planning/Building/Public Works Dept. TREE RETENTION PLAN - PIAZZA info@hewittseattle.001'1'1 NO. REVISION BY DATE APPR APPROVED: SHEET: OF 25 61 N co C) C) CD CD N