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REVIEWED BLD2024-0664+Structural_Analysis_or_Calculations+5.16.2024_2.33.09_PM+42628371 of 27 LONGITUDE ONE TWENTYO ENGINEERING & DESIGN Calculation Package for Foundation Stabilization/Lift STRUCTURAL ENGINEER L120 ENGINEERING & DESIGN 13150 91s' PL NE 7710 218th St SW Edmonds, WA 98026 Project no: 5240402-2XR April291h 2024 Prepared for: R&R Foundation Specialist 3409 McDougall Ave, suite 204 Everett, WA 98201 P: 425.760.5077 KI RKLAN D, WA 98034-5901 CONTACT: MANS THURFJELL, PE EMAIL: MTHURFJELL@L120ENGINEERING.COM PHONE: (425) 636-3313 PILE SPACING & LOAD REQUIRMENTS TABLE PILEx - __' :lE MIN O.C. SPACING. ft MIN VERTICAL CAPACITY, kips PROOF TESTING LOAD, kips LOC-- BTWN PILES END OFFSET ALLOti','ABLE LOA-'"�G 200% MIN VERTICAL CAPACITY (MIN ULTIMATE CAPACITY) C �E --L _' C'7 -op 140kip NOTES: a. MINIMUM AND MAXIMUM INSTALLATION TORQUE FOR HELICAL ASSEMBLIES SHALL BE SPECIFIED BY THE PILE MANUFACTURER. THE MINIMUM INSTALLATION TORQUE SHALL BE HIGH ENOUGH TO ACHIEVE THE REQUIRED BEARING CAPACITY LOADING, INCLUDING A SAFETY FACTOR NO LESS THAN 2. THE MAXIMUM INSTALLATION TORQUE SHALL NOT EXCEED THE ALLOWABLE TORSIONAL CAPACITY OF THE PILE SHAFTS OR ANY PART OF THE PILE ASSEMBLY. MAXIMUM INSTALLATION TORQUE RATING OF 8,300FT*LBS FOR A 2-7/8 INCH DIAMETER HELICAL PILE WITH 0.203 INCH SHAFT WALL THICKNESS PER ESR-3750. b. HELICAL ASSEMBLIES AS MANUFACTURED BY IDEAL MANUFACTURING, INC., IN ACCORDANCE WITH ESR-3750. c. PILE OR ANCHOR LOADS NOT TO EXCEED MAXIMUM CAPACITY AS DETERMINED BY THE MANUFACTURER FOR ANY PART OF THE ASSEMBLY. d. MAXIMUM ON -CENTER SPACING LISTED FOR TYPICAL PILE INSTALLATION UNLESS NOTED OTHERWISE ON PLAN. )N nHULr- r 0 MURDD DLK 002 D-00 - ALL THAT PTN LOT 4 BLK 2 DAF - BEG NE COR SD LOT 4 TH S00*01 42E ALG E LN LOT 4 A DIST OF 81.57FT TH S84*25 38W 44.33FT TH N78*2712W 84.84FT TO INT WITH W LN SD LOT 4 THN00*01 36W ALG W LN SD LOT 4 A DIST OF 69.51 FT TO NW COR LOT 4 TH S89*43 15E ALG N LN SD LOT 4 A DIST OF 127.24FT TO POB AKA PAR 1 CITY OF ED SP S-34-76 REC AFN 7608030299 & REV PER AFN 7608160345 EXCW 20FT THOF CONVYD TO CITY OF ED BY QCD 1010-53 AUD FILE NO.7608160346 OWNER NAME & ADDRESS HATFIELD SHAWN L/SWENSON KIMBERLY S 7710 218th St SW Edmonds, WA 98026 NOTE: THE PROJECT WILL NOT RESULT IN CHANGING OF SITE TOPOGRAPHY OR EXISTING DEVELOPED AREAS. NOTE: L120'S SCOPE IS LIMITED TO THE PERIMETER SUPPORT SYSTEM/CONTINUOUS FOOTINGS. THE INTERIOR CRAWL SPACE SUPPORTED SYSTEM FOR THE FIRST FLOOR SHALL BE INSTALLED PER R&R. SITE PLAN NOTES 1. VERIFY EXISTING STRUCTURES AND ALL DIMENSIONS ON SITE. 2. FOUNDATION DIMENSIONS ARE TO OUTSIDE FACE OF CONCRETE STEM WALL PER R&R FOUNDATION SPECIALIST (R&R) LEVEL SURVEY. 3. REFER TO STRUCTURAL CALCULATIONS PACKAGE BY L120 DATED APRIL 29, 2024, FOR ADDITIONAL INFORMATION, SPECIFICATIONS, AND REQUIREMENTS. 4. LEVEL SURVEY PER R&R PROPOSAL DATED APRIL 2, 2024. REFER TO STRUCTURAL CALCULATIONS PACKAGE FOR MODIFICATIONS AND ADDITIONAL REQUIREMENTS FOR LEVEL SURVEY. 5. PARCEL DIMENSIONS APPROXIMATED BY SNOHOMISH COUNTY ASSESSOR GIS MAPPING TOOLS & TAXSIFTER INCLUDING THE SELECTED PARCEL. PROPERTY DIMENSIONS ARE APPROXIMATE FOR REPRESENTATIVE PURPOSES ONLY. NOT TO SCALE. NOT TO BE USED FOR LEGAL PURPOSES OR IN PLACE OF A FIELD SURVEY. 6. SITE FEATURES AND SOME EXISTING STRUCTURES ON ADJACENT PARCELS NOT SHOWN FOR CLARITY. 7. SPECIAL INSPECTOR SHALL BE CONTINUOUSLY PRESENT DURING HELICAL PILE INSTALLATION AND TESTING. SITE PLAN LEGEND EXISTING RESIDENCE STRUCTURE EXISTING ADJACENT STRUCTURE AREA OF PROPOSED WORK • — - — PROPERTY LINE * APPROXIMATE DIMENSION -41 HELICAL PILE ® L6x6x3/8 ANGLE IRON ® 4x6 ADJ. POST BASE w/ PAD 24' 0 19' � oco 7135' 8.5' o V N _ _ W 10 zt N Z (n zt 4 A (D a i nor 10, 1 - �- 00 A ,oL ao _Do w (D- 2ij... N 1 _ J71 N �? SSaaoy M W N 1 22W_ 1 � V A A Oi OD N N _. zz z cn CD cn 1 J 1 m cn co A A O W (D D w zz D rn M D 6 a n wcn D D� CD 0 �� (7) PILES @ 6' OC MAX X z r Om m 0 zW zm G)n C/) m ¢ ` z �m z = � o; �o v o O L Q R&R LEVEL SURVEY SEE STRUCTURAL CALCULATION PACKAGE FOR ADDITIONAL REQUIREMENTS SITE PLAN �• �.THUR�!, • -0 . 8/10 • r ■ ■ ' W z 0 Wco z ,R Uw z W z zZ Dow REVISIONS 0 DESCRIPTION DATE BY PROJECT NAME 7710 218th St SW Edmonds, WA 98026 PROJECT NUMBER S240402-2XR DRAWN BY - PAM CHECKED BY - M RT SHEET DATE - 04/29/2024 SCALt c Q u W o w w Ln 3 of 27 PROJECT NO. SHEET NO. 4040 PROJECT 7710 218th St SW, Edmonds, WA LONGITUDE SUBJECT Foundation Stabilization/Jackin ONE TWENTYO ENGINEERING & DESIGN BY PAM DATE 04/29/24 Scope/Objective: To determine the required pile spacing and geometry to stabilize and lift (where required) the existing structural foundation. These findings have been based upon the calculated strength of the existing foundation system and the current vertical loading from the existing structure above (based on as -built assessments). The R&R Foundation Specialists' (R&R) proposed pile layout can be found in the following pages with structural recommendations based upon the findings of L120 Engineering & Design. Note that cosmetic damages to rigid wall coverings/members and siding are expected during a foundation lift. Such cosmetic damages/cracks are to be repaired by others following the completion of the foundation stabilization and lifting and are not included in the structural scope presented here. It should be further noted that L120's scope is limited to the perimeter support systems/continuous footings. The interior crawl -space support system for the first floor shall be installed per R&R. This could include the use of some or all of the following: longer support posts, adjustable post -base hardware, and/or the addition of taller wood support members. Settlement in these interior support areas shall be monitored and further adjustments shall be made if necessary. Structural Summary: - The foundation of the residence consists of CMU stem wall and concrete strip footings. Below the footings, piles are to be spaced at a distance no larger than 6 4' on -center w/ L6x6x3/8 angle iron at the locations indicated on the attached Level Survey. Piles and supplemental angle to be installed in accordance with SSK-01 & SSK-02. - End piles are to be placed as close to corners as possible and shall not exceed a max corner offset distance of 3'-0". - A maximum allowable loading of 1,200 plf was utilized in this analysis. This was determined through inspection of building geometry and conservative span/tributary loading assumptions based on standard construction practices - The following load values represent the maximum expected pile loads for the indicated spacing. R&R to provide pile and equipment assemblies with capacities equal to or greater than the indicated load values. Allowable Load Capacity Requirement: Piles 1-10 ............ 7 kip minimum vertical capacity (allowable load) Note: Refer to the attached General Notes for additional requirements. - As determined by R&R, the site appears to have no lateral (horizontal) displacements or concerns. As such, the analysis and recommendations presented in this report have been strictly limited to vertical stabilization/jacking. If lateral movement is observed or expected additional structural analysis will be required. - Structural recommendations contained in this package are based on site photographs dated April 2, 2024, provided by R&R. To the knowledge of L120, a geotechnical investigation was not performed on this site. Consequently, all structural recommendations assume adequate soil conditions to obtain the required pile capacities. Please inform L120 of site -specific conditions that were unconsidered by, may conflict with, or otherwise compromise the recommendations contained within this package, including, but not limited to, water drainage, slope stability, existing structural damage, or existing subsurface obstructions. In this instance, the structural assumptions, recommendations, and scope for this project will need to be revisited to consider and address the new findings Refer to the following pages for pile and connection specifications. L120 ENGINEERING & DESIGN 4 of 27 GENERAL NOTES HELICAL PILES 1. HELICAL PILES SHALL BE DESIGNED AND MANUFACTURED IN ACCORDANCE WITH THE 2021 INTERNATIONAL BUILDING CODE (IBC). 2. HELICAL PILES SHALL BE DESIGNED AND MANUFACTURED BY IDEAL MANUFACTURING, INC., AND SHALL BE IN ACCORDANCE WITH ESR-3750. 3. ALL MATERIAL PROPERTIES OF HELICAL PILE COMPONENTS SHALL BE IN ACCORDANCE WITH ESR-3750. 4. CORROSION PROTECTION OF ALL PILE COMPONENTS SHALL COMPLY WITH THE ICC-ES ACCEPTANCE CRITERIA FOR CORROSION PROTECTION OF STEEL FOUNDATION SYSTEMS USING POLYMER (EAA) COATINGS (AC228). 5. ALL HELICAL FOUNDATION COMPONENTS SHALL BE GALVANICALLY ISOLATED FROM CONCRETE REINFORCING STEEL, BUILDING STRUCTURAL STEEL, OR ANY OTHER METAL BUILDING COMPONENTS PER AC358 SECTION 3.9. 6. THE SHAFT SHALL BE DESIGNED AND FABRICATED TO SUPPORT THE SPECIFIED DESIGN LOADS. 7. ONLY MANUFACTURER -APPROVED CONNECTORS, ADAPTORS, AND ACCESSORIES MAY BE USED. 8. HELICAL PILES SHALL BE INSTALLED VERTICALLY INTO THE GROUND WITH AN ALLOWABLE ANGLE OF INCLINATION OF +/- 1 DEGREE FROM VERTICAL PER SECTION 4.2.1 OF ESR-3750. 9. MONITOR AND RECORD DEPTH OF PILE PENETRATION. PROVIDE TORQUE MONITORING DEVICE AS PART OF THE INSTALLING UNIT. MONITOR AND RECORD TORQUE APPLIED DURING THE INSTALLATION OF EACH PILE AT SPECIFIC DEPTHS. 10. HELICAL PILES SHALL BE INSTALLED TO THE MINIMUM TORQUE VALUE REQUIRED TO PROVIDE THE MINIMUM REQUIRED LOAD CAPACITIES INDICATED ON PLAN INCLUDING A FACTOR OF SAFETY NO LESS THAN TWO (2). THE MAXIMUM INSTALLATION TORQUE SHALL NOT EXCEED THE ALLOWABLE TORSIONAL CAPACITY OF ANY INDIVIDUAL COMPONENT OF THE PILE ASSEMBLY. 11. ALL BRACKETS AND HELICAL PILE ASSEMBLY COMPONENTS SHALL HAVE ADEQUATE CAPACITY TO ACHIEVE THE MINIMUM REQUIRED BEARING CAPACITY INCLUDING A FACTOR OF SAFETY NO LESS THAN TWO (2). 12. REPAIR BRACKETS MUST BE CONCENTRICALLY LOADED AND THE BRACKET PLATE MUST BE FULLY ENGAGED WITH BOTTOM OF CONCRETE FOUNDATION. 13. ALL HELICAL PILE ASSEMBLY COMPONENTS MUST HAVE ADEQUATE STRENGTH TO DEVELOP THE TORQUE REQUIRED FOR INSTALLATION AND ALL INDUCED STRESSES. 14. THE PILE QUANTITY, LAYOUT, AND SPACING INDICATED ON PLAN SHALL NOT BE CHANGED WITHOUT WRITTEN APPROVAL FROM THE ENGINEER -OF -RECORD PRIOR TO INSTALLATION. 15. CONTINUOUS SPECIAL INSPECTION IN ACCORDANCE WITH 2O18 AND 2021 IBC SECTION 1705.9 MUST BE PROVIDED FOR THE INSTALLATION OF THE HELICAL PILES AND FOUNDATION BRACKETS. ITEMS TO BE RECORDED AND CONFIRMED BY THE SPECIAL INSPECTOR MUST INCLUDE THE FOLLOWING: A. PRODUCT MANUFACTURER B. MANUFACTURER'S CERTIFICATION OF THE INSTALLERS C. PRODUCT TYPE AND CONFIGURATIONS FOR HELICAL PILE LEAD SHAFT SECTIONS, EXTENSIONS, BRACKETS, BOLTS, THREADED RODS, NUTS, WASHERS, AND TORQUES AS SPECIFIED IN THIS REPORT AND THE CONSTRUCTION DOCUMENTS D. INSTALLATION PROCEDURES FOR THE HELICAL PILE SHAFT, INSTALLATION EQUIPMENT USED, AND THE IDEAL FOUNDATION SYSTEMS INSTALLATION INSTRUCTIONS E. ANTICIPATED AND ACTUAL PILING DEPTH F. REQUIRED TARGET INSTALLATION TORQUE OF PILES AND MINIMUM DEPTH OF INSTALLATION G. INCLINATION AND POSITION OF PILES, TOP OF PILE EXTENSION IN FULL CONTACT WITH BRACKET, TIGHTNESS OF ALL BOLTS AND EVIDENCE THAT THE PILE FOUNDATION SYSTEMS ARE INSTALLED BY AN APPROVED IDEAL FOUNDATION SYSTEMS INSTALLER. 16. PILES IMPROPERLY INSTALLED BECAUSE OF MISLOCATION, MISALIGNMENT, OR FAILURE TO MEET OTHER SPECIFIED DESIGN/INSTALLATION CRITERIA ARE NOT ACCEPTABLE. ABANDON REJECTED PILES AND INSTALL ADDITIONAL PILES AS REQUIRED. HELICAL PILE PROOF TESTING THE CAPACITY OF THE INSTALLED PILES SHALL BE VERIFIED BY FIELD TESTING OF A MINIMUM THREE (3) PERCENT OF PILES UP TO FIVE (5) PILES MAXIMUM (ONE (1) MINIMUM) IN ACCORDANCE WITH THE PROCEDURE OUTLINED IN ASTM D1143 AND/OR THE 2021 INTERNATIONAL BUILDING CODE (IBC). THE MAXIMUM TEST LOAD SHALL BE TWO -HUNDRED (200) PERCENT OF THE SPECIFIED DESIGN LOAD. 5 of 27 GENERAL NOTES STRUCTURAL STEEL 1. REFERENCE STANDARDS: DESIGN, FABRICATION AND ERECTION ARE TO BE IN ACCORDANCE WITH THE LATEST EDITION OF THE AISC "CODE OF STANDARD PRACTICE FOR STEEL BUILDINGS AND BRIDGES". 2. MATERIALS: BOLTS - ASTM A307, UNLESS OTHERWISE NOTED ALL OTHER STEEL - ASTM A36 (Fy = 36,000 PSI) 3. ALL WELDING SHALL BE PERFORMED BY CERTIFIED WELDERS AND CONFORM TO AWS CODES D1.1 AND D1.3. WELDS NOT SPECIFIED ARE TO BE 1/4" CONTINUOUS FILLET MINIMUM. USE DRY E70 ELECTRODES. WHERE ON -SITE WELDING IS REQUIRED, SPECIAL INSPECTION IN ACCORDANCE WITH 2O18 AND 2021 IBC SECTION 1705.2 IS ALSO REQUIRED. CONCRETE 1. REFERENCE STANDARDS: ACI 301, ACI 318, IBC. 2. MINIMUM CONCRETE STRENGTH (28 DAYS): FOOTINGS AND STEM WALLS..................................................3,000 PSI - 5 SACK MIX BASEMENT FOUNDATION RETAINING WALLS .......................3,000 PSI - 5 SACK MIX SLAB-ON-GRADE........................................................................2,500 PSI - 5 SACK MIX SLAB -ON -GRADE... EXPOSED WEATHERING SURFACES ...... 3,000 PSI AIR -ENTRAINMENT 2.5% TO 5.5% FOR EXPOSED CONCRETE 3. MIXING: COMPLY WITH ACI 301. DO NOT EXCEED THE AMOUNT OF WATER SPECIFIED IN THE APPROVED MIX. PROPORTIONS OF AGGREGATE TO CEMENT SHALL BE SUCH AS TO PRODUCE A DENSE, WORKABLE MIX WHICH CAN BE PLACED WITHOUT SEGREGATION OR EXCESS FREE SURFACE WATER. 4. PLACING: COMPLY WITH ACI 301. PROVIDE A 3/4 INCH CHAMFER AT ALL EXPOSED CONCRETE EDGES, UNLESS INDICATED OTHERWISE ON ARCHITECTURAL DRAWINGS. 5. SLUMP: 4 INCHES PLUS OR MINUS 1 INCH. DO NOT ADD WATER TO MIX TO INCREASE SLUMP. GREATER SLUMP, ACCELERATED SET, OR HIGH EARLY STRENGTH MAY BE ACHIEVED BY USING APPROVED ADMIXTURES. 6. CURING: COMPLY WITH ACI 301. KEEP CONCRETE MOIST FOR SEVEN DAYS MINIMUM. 7. JOINTING: PROVIDE ADEQUATE JOINTING TO MINIMIZE EFFECTS OF VOLUME CHANGE. JOINTS SHOWN MAY BE ADJUSTED AT CONTRACTOR'S OPTION WITH PRIOR APPROVAL FROM ENGINEER. 8. WEATHER EXTREMES: COMPLY WITH ACI 305R FOR HOT WEATHER. COMPLY WITH ACI-306R FOR COLD WEATHER. 9. WATER/CEMENT RATIO SHALL NOT EXCEED 0.50 (BY WEIGHT), TYPICAL. 10. ALL SPECIFIED CONCRETE ANCHORS SHALL BE SIMPSON STRONG -TIE, HILTI, OR EQUIVALENT. SPECIAL INSPECTIONS REQUIRED. ANCHORS SHALL BE INSTALLED IN ACCORDANCE WITH MINIMUM EMBEDMENT, SPACING, EDGE DISTANCE, AND REQUIREMENTS PER MANUFACTURER. 6 of 27 PROJECT LONGITUDE SUBJECT ONE TWENTY° ENGINEERING & DESIGN BY PAM PROJECT NO. SHEET NO. 4040 7710 218th St SW, Edmonds, WA Foundation Stabilization/Jacki DATE 04/29/24 Idea! Foundation Systems 2-7/8"0 Helical Pile (0.203-inch wall thickness) -Soil Capacity per ESR-3750 DIGGA 6K Drive Head Pressure Torque Correlation Factor, K, Ultimate Axial Compressive Allowable Axial Compressive L120 ENGINEERING &DESIGN 7 of 27 LONGITUDE ONE TWENTY° ENGINEERING & DESIGN PROJECT NO. SHEET NO. 4040 PROJECT 7710 218th St SW, Edmonds, WA SUBJECT Foundation Stabilization/Jacking BY PAM DATE 04/29/24 * Ideal Foundation Systems 2-7/8"0 Helical Pile (0.203-inch wall thickness) -Soil Capacity per ESR-3750 DIGGA 10K Drive Head Pressure (psi) Torque, T (ft*Ibs) Torque Correlation Factor, Kt [Compression] (ft-1J Ultimate Axial Compressive Capacity, P„ = Kc*T (kips) Allowable Axial Compressive Capacity, Pa = 0.5*P„ (kips) 500 1,740 9 15.7 7.8 600 2,088 9 18.8 9.4 700 2,436 9 21.9 11.0 800 2,784 9 25.1 12.5 900 3,132 9 28.2 14.1 1000 3,480 9 31.3 15.7 1100 3,828 9 34.5 17.2 1200 4,176 9 37.6 18.8 1300 4,524 9 40.7 20.4 1400 4,872 9 43.8 21.9 1500 5,220 9 47.0 23.5 1600 5,568 9 50.1 25.1 1700 5,916 9 53.2 26.6 1800 6,264 9 56.4 28.2 1900 6,612 9 59.5 29.8 L120 ENGINEERING &DESIGN 8 of 27 Scope Of Work R&R CREW RESPONSIBILITIES & DETAILS: - Crew will install 10 helical piles to lift to maximum allowable recovery with a primary goal of stabilization - Crew will span Angle iron across piles indicated on repair plan. - Crew will install (12) 4x6 Post w/ 20" Composite Pads. - Crew will install (36 Ft) of new pressure treated beams. - Elevations taken from floor at 00 point. - Crawlspace height is 2 feet. - Footing Depth is shallow. - Crawlspace accesses are located on exterior of home. - Beam size will be 4x6. - Dingo Accessible. HOMEOWNER RESPONSIBILITIES: - Have work area cleared where piles will be installed. - Have necessary plants removed if they wish to preserve them. ADDITIONAL INFO: - R&R will handle necessary permit and engineering coordination. - Engineering is at the standard rate but fee may vary upon. municipality adding additional requirements. - 25% deposit, 25% upon issue of permit and final 50% upon completion of project. - Permit cost is not included and will be billed on final invoice. - Homeowner understands permit process may require the hiring of a Geotechnical Engineer billed at additional fees depending on municipality. Geo is typically only require in ECAs in Edmonds. - Responsible party representative must be onsite during crew arrival, project completion and foundation lifting if applicable. -Permitting/scheduling times may vary beyond R&R control. MATERIAL CLAUSE: - Depth Clause: Piles are bid to 25 foot maximum depth. $20 per foot charge beyond that. - Homeowner will be notified if any unexpected items arise and no additional work will be completed without homeonwer approval 9 of 27 L120 is in concurrence with pile layout recommended by R&R provided that the proposed layout is followed as marked and that a maximum pile spacing of 6'-0"o.c. is achieved. Alternatively, piles can be spaced at a maximum spacing of 8'-0"o.c. w/ the installation of supplemental C6x8.2 channels spanning from pile -to -pile. NOTES: 1. It is acceptable to install piles at the spacing shown with ± 0'-6" tolerance to allow for unexpected obstructions encountered during pile installation provided that no two adjacent spans exceed the spacing limitation of 6'-0"o.c. 2. End piles are to be placed as close to corners as possible and shall not exceed a maximum corner distance of 3'-0" as marked. 3. Supplemental steel to be anchored to concrete with 5/8" diam Simpson Titen HD screw anchors @ 12"oc with a 4" minimum embedment. Refer to attached SSK-1. Elevation Map & Repair Plan NOTE: 1-120's scope is limited to the perimeter support systems/continuous footings of the primary structure. All stabilization and replacement efforts of exterior decks and deck supporting elements are outside of 1-120's contract and scope and are not addressed in this package. - L120 10 of 27 Shed on backside of home, piles 1 and 2 will be installed inside shed which will require crew to remove and relay subfloor. Photographs provided by R&R Foundation Specialists. Note that analysis assumptions such as building geometry, tributary areas, and loading were determined through examination of these photographs and industry knowledge of standard construction practices. - L120 11 of 27 South side of home and location of helical piles 3 - 10 Photographs provided by R&R Foundation Specialists. Note that analysis assumptions such as building geometry, tributary areas, and loading were determined through examination of these photographs and industry knowledge of standard construction practices. - L120 12 of 27 Foundation has dropped away from sill plate at pile 4. Crew will lift foundation back up to match sill plate Photographs provided by R&R Foundation Specialists. Note that analysis assumptions such as building geometry, tributary areas, and loading were determined through examination of these photographs and industry knowledge of standard construction practices. - L120 13 of 27 Inproper beam at post locations 1 - 3. Crew will install new beam and 3 new 4x6 posts w/ 20" composite pads. Photographs provided by R&R Foundation Specialists. Note that analysis assumptions such as building geometry, tributary areas, and loading were determined through examination of these photographs and industry knowledge of standard construction practices. - L120 14 of 27 Location of posts 4 - 8, crew will remove existing supports and install new beam to replace stacked 2x4 lumber. Photographs provided by R&R Foundation Specialists. Note that analysis assumptions such as building geometry, tributary areas, and loading were determined through examination of these photographs and industry knowledge of standard construction practices. - L120 15 of 27 PROJECT NO. NO. S240402-2XR SSK-01 PROJECT 7710 218th St SW, Edmonds, WA LONGITUDE SUBJECT Foundation Stabilization/Jacki ONE TWENTYO ENGINEERING & DESIGN BY PAM (E) WOOD FRAMED FLOOR SYSTEM, FIELD VERIFY -------------------- \ --------- 8" (NOMIN,4t"11fh11MMSS, I CBMIMIROT�MIRIF ° V I _ d = O LL QLU V 1 4- Z / >\ fI LL / z O N O ~ U N ��d -IIII=IIII=IIII=IIII=IIII=IIII=IIII � 'I —"II _IIII=IIII=IIII=IIII=IIII=III �• ° —""=""=IIII=_IIII=_IIII •. • '—IIII—IIII—III ; o .d d o � d -�=IIII=IIII •� IIII=IIII=III ° ° '' =IIII= III=IIII 1=IIII=III - (E) CONTINUOUS CONIC FOOTING NOTES: 1. CONTRACTOR TO VERIFY NOTED MINIMUM EXISTING FOUNDATION DIMENSIONS PRIOR TO INSTALLATION. ENGINEER -OF -RECORD TO BE NOTIFIED PRIOR TO INSTALLATION IF MINIMUMS NOT MET. 2. ALL ASSEMBLY COMPONENTS SHALL BE FULLY SEALED BY A CORROSION RESISTANT SYSTEM. THIS INCLUDES ALL FINAL CUT ENDS AND DRILLED HOLES. CORROSION PREVENTION COATING SYSTEM BY OTHERS. PRIME AND PAINT PER MFR OR GALVANIZATION PER ASTM 153/A123. II Of 3. AT CUT INSTALLATION POCKET ALL EXPOSED STEEL w w REINFORCEMENT SHALL BE SEALED OR COATED TO PREVENT U) CORROSION. E:' �.0 DATE 04/29/24 (E) C9LI(S$EEWV1 LNLL T/STEM WALL = FIELD VERIFY T/FIN GRADE _ it -Rill -rill -rill VARIES =IIII=IIII=IIII=IIII_ I1=_IIII=_IIII=_IIII= (E) FTG TO BE CUT FLUSH =IIII=IIII=IIII=IIII it-Rill=rill=rill=l WITH FACE OF STEM WALL IIII=Rill! IIII=11 = WITH A 12" MAX WIDTH FOR IIIIIII=till=IIII IIII- INSTALLATION POCKET 11=IIII=IIII= II=III IIII=IIII=11 =IIII= 11=IIII=IIII_IIII=IIII =IIII IIII=IIII=11 T/GONG FTG = h pIII_ FIELD VERIFY IIII=IIII=III II—IIII—IIII— Rill=rill=lil WEDGE NCH S 11=IIII=IIII= PEv19 _ 11=li11-11r REQUIREMENTS zll��I'l =IIII=IIII- STABIL-LOC CONCENTRIC PIER — ASSEMBLY PER R&R FOUNDATION SPECIA�JA Tq figN'XL0AVLTpkft2l BRACKET ASSEMBLY PER R&R FOUNDATION SPECIALIST TO CONFORM TO ESR-3750 2-7/8" SHAFT W/ 10" DIAM DOUBLE HELIX W/ 3" PITCH ANC ANC REC L120 ENGINEERING & DESIGN 16 of 27 PROJECT NO. NO. S240402-2XR SSK-02 PROJECT 7710 218th St SW, Edmonds, WA LONGITUDE SUBJECT ONE TWENTYO ENGINEERING & DESIGN PAM Foundation Stabilization/Jacking DATE 04/29/24 STEEL ANGLE INSTALLATION AT (E) CMU STEM WALL: MU TEM WA L ANCH R PER CITE 2 TYP C011C FTG o . O LU T-hzLU C) ANCHOR SPACING,' Lq o S =12"OC MAX UNO, U SUPPLEMENTAL ANGLE L6x6x3/8 x 4'-0" CENTER ON PILE PILE AND CONNECTIONS PER R&R FOUNDATION SPECIALISTS, TYP NOTES. ABBREVIATIONS: CMU = CONCRETE MASONRY UNIT 1) ALL STEEL MEMBERS AND COMPONENTS SHALL BE GALVANIZED FOR EXTERIOR USE. CONC = CONCRETE 2) ALL ANCHORS SHALL BE 5/8"0 SIMPSON TITEN HD SCREW ANCHORS W/ 4" MINIMUM EMBEDMENT INTO EAREACHNTERED CONCRETE. ANY SUBSTITUTION SHALL BE SUBMITTED TO L120 FOR APPROVAL PRIOR TO INSTALLATION. FTC=FoonNc MIN/MAX =MINIMUM/MAXIMUM 3) ANCHORS SHALL BE INSTALLED WITHIN 6" OR LESS FROM EACH END OF STEEL MEMBER. OC=ON-CENTER 4) ADDITIONAL REQUIREMENTS PER ANCHOR MANUFACTURER. UNO=UNLESSNOTED OTHERWISE L120 ENGINEERING & DESIGN 1 1/2 X 1 SLOT (TYP) 3 X 3/4 SLOT(TYP) 2 7/8" TRUFORCE BRKT BRACED BASE GALV. TOP 2 7/8" TRUFORCE BRKT BRACED BASE GALV. FRONT TRUFORCE UNDERPINNING BRACKET FOR 2 7/8" PILE SHAFT 7�6 1 1/2 X ] 2 7/8" TRUFORCE BRKT T-BRKT GALV. SLOT (TYI TOP 2 7/8" TRUFORCE BRKT T-BRKT GALV. FRONT NOTES: 1. PLATE STEEL TO MEET OR EXCEED REQUIREMENTS OF ASTM A572/A1018/A656, 50 KSI. 2. ALL WELDING TO BE PERFORMED BY SHOP QUALIFIED WELDOR TO AWS D1.1 STRUCTURAL WELDING CODE - STEEL. 3. GALVANIZING PER ASTM A153/ASTM A123. BARE STEEL IS ALSO AVAILABLE. 4. ULTIMATE STRUCTURAL CAPACITY IS 60 KIPS. 5. (2) 7/8"-9 X 3' GALVANIZED THREADED ROD - ASTM A193 (GRADE B7). 6. (4) 7/8" GALVANIZED HEX NUT - ASTM A194. 7. (6) 7/8" GALVANIZED FLAT WASHERS - ASTM F436. (2) WASHERS MUST BE USED ON THE TOP OF EACH THREADED ROD (ABOVE THE 'T' BRACKET) TO OBTAIN THE FULL BRACKET CAPACITY. B. HELICAL PILE ASSEMBLIES MANUFACTURED IN ACCORDANCE WITH ICC-ES AC358 ACCEPTANCE CRITERIA FOR HELICAL FOUNDATION SYSTEMS AND DEVICES. PICTURE PARKWAY STER, NY 14580 789-4810 1 WWW.IDL-GRP.COM NOT TO SCALE ALL UNITS IN INCHES U.N.O. 3 wrvrl VCIV � IH1 THE INFORMATION CONTAINED IN THIS � � � DRAWING IS THE SOLE PROPERTY OF 1 � IDEAL M NUFAC URIN IDEAL MANUFACTURING, INC. ANY REPRODUCTION IN PART OR AS A Group WHOLE WITHOUT WRITTEN PERMISSION OF IDEAL MANUFACTURING, INC. IS PROHIBITED. 27STFBPG SHEET 1 OF 1 A 1 1 2 W ULTEMA CAPACITY IIS740.7EXCEEKIPS IMUM TORQUE NOT AS ON A CAPACITY TO 2 7/8" O.D. X 0.203'' W.T. HELICAL LEADS & EXTENSIONS TORQUE RATIO OF kt = 9 FT-1 ICC-ES AC358 -REPORT #ESR-3750 [L] EXTENSION FLIGHTED EXTENSION FLIGHTED EXTENSION (EX: 278203EXT[L]G) SINGLE HELIX (SH) DOUBLE HELIX (DH) (EX: 278203FESH[L][Di]X[T]G) (EX: 278203FEDH[L][D3D2]X[T]G) NOTES: 1. PILE SHAFT TO MEET OR EXCEED REQUIREMENTS OF ASTM A500, 80 KSI. 2. PLATE STEEL TO MEET OR EXCEED REQUIREMENTS OF ATSM A572, GRADE 50. 3. ALL HELICES ARE FORMED BY PRESS DIE. LEADING EDGE OF HELICES ARE TAPERED TO IMPROVE INSTALLATION CAPABILITIES. 4. HELIX SPACING IS THREE (3) TIMES THE DIAMETER OF THE LOWER HELIX. B SPACING OF LEADING HELIX ON FLIGHTED EXTENSIONS IS THREE (3) TIMES THE DIAMETER OF THE LAST HELIX ON THE PRECEDING SHAFT. 5. STANDARD HELIX DIAMETERS ARE 8", 10", 12", & 14". STANDARD HELIX THICKNESS IS 3/8". 6. ALL WELDING TO BE PERFORMED BY CERTIFIED WELDOR IN ACCORDANCE WITH AWS D1.1 STRUCTURAL WELDING CODE - STEEL. 7. HOT DIP GALVANIZING PER ASTM A153/ASTM A123. BARE STEEL IS ALSO AVAILABLE. 8. (2) 3/4" DIAMETER X 4 1/2" LONG GALVANIZED HEAVY HEX BOLT ASTM A325 AND (2) 3/4" GALVANIZED HEAVY HEX NUT ASTM A194 (GRADE 2H). 9. HELICAL PILE ASSEMBLIES MANUFACTURED IN ACCORDANCE WITH ICC-ES AC358 (IDEAL REPORT #ESR-3750) ACCEPTANCE CRITERIA FOR HELICAL FOUNDATION SYSTEMS AND DEVICES. Da p3 I �I �D3 �D= �{ �D� I I I p3 —Li LING NUTS 5% (TYP) ?� 1 SINGLE HELIX (SH) DOUBLE HELIX (DH) TRIPLE HELIX (TH) QUAD HELIX (QH) LEAD LEAD LEAD LEAD (EX: 278203SH[L][Di]X[T]G) (EX: 278203DH[L][DiD2]X[T]G) (EX: 278203TH[L][DTD2D3]X[T]G) (EX: 278203QH[L][D3D2D3D4]X[T]G) 2%O.D.X� 2 4 IDEAL PART # ABREVIATIONS: 0.203 W.T. 278 = SHAFT DIAMETER = _ 3 PITCH TYPICAL PILE 203 = SHAFT WALL THICKNESS ASSEMBLY EXT = EXTENSION (NP) FE = FLIGHTED EXTENSION O15l6 SH, DH, TH, QH = SINGLE, DOUBLE, TRIPLE, OR QUAD. HELIX [L] = SHAFT LENGTH IN FEET BOLT HOLE HELIX FORMED BY (EXAMPLE: 7' = 7) DETAIL PRESS DIE [D] = HELIX DIAMETER(S) IN INCHES (EXAMPLE: 10" = 10) X = X (SEPARATES HELIX DIAMETER(S) AND HELIX THICKNESS) [T] = HELIX THICKNESS (EXAMPLE: 3/8" = 38) G = GALVANIZED SINGLE HELIX EXTENSION TRIPLE HELIX LEAD TIP CUT AT 45° 4/3/2020 'D El A L rKurKIC I AKT AIVU U ivr1UCIV I1A1 THE INFORMATION CONTAINED IN THIS DRAWING IS THE SOLE PROPERTY OF EKED 4/7/2020 1 IDEAL MANUFACTURING, INC. ANY REPRODUCTION IN PART OR AS A 1L MANUFACTURING, INC. PICTURE PARKWAY WHOLE WITHOUT WRITTEN STER, NY 14580 Group PERMISSION OF IDEAL 789-4810 1 W W W.IDL-GRP.COM MANUFACTURING, INC. IS PROHIBITED. NOT TO SCALE SIZE I DWG NO REV SHEET 1 OF 1 ALL UNITS IN INCHES U.N.O. B 278203 0 3 B 8 O M N 4 19 of 27 LONGITUDE ONE TWENTYO ENGINEERING & DESIGN PROJECT NO. SHEET NO. ,0,0 PROJECT 7710 218th St SW, Edmonds, WA SUBJECT Foundation Stabilization/Jacki Vo LOAD ANALYSIS: IBC 2018 - 1-Story Building 6' SPAN Piles MAX TRIB Condition Roof LL (snow ground): 25 psf Floor LL: 40psf Floor/Roof DL: 15psf Wall DL: 12psf Roof Trib = 0.5*22' max span = 11' Floor Trib = 0.5*12' max span = 6' Typical Flr Ht = 10' x 1 stories = 10' wpL = 15psf*(11'+6')+12psf*10' = 0.38 klf wLL= 25psf* 1 1'+40psf*6' = 0.52 klf WSTEM = 0.25klf wTL.A„ew. = D+L+Stem = 0.38kif + 0.52kif + 0.25kif = 1.2kif ■2T DATE 04/29/24 ---------------------- I ----------------------- L/2 L L/2 - IL 6' Span PoE = 0.38klf * 6' = 2.3 k 6' Span PEE = 0.52klf * 6' = 3.2 k 21-2" 6' Span PITEM = 0.25klf * 6' = 1.5 k (1 8"+ 8") 6' Span PTL111—=2.3k+3.2k+1.5k=7.0 k Case 1: Point Load 6'-0" Span: (Conc Only) Pt Load = 7k Refer to attached calculations for analysis. Case 2: Uniform Load 6'-0" Span: (Conc Only) Uniform Load DL = 630 plf LL = 240 plf LL, (snow) = 280 plf Refer to attached calculations for analysis. Pile and connection requirements per Pile and connection requirements per contractor contractor 6'-0" max NOTES: 1. Both uniform and point loads analyzed in the following calculations. Uniform loads are assumed to be standard due to load distribution from bearing walls, however, the additional point load is conservatively considered here for any major beam supports from above. 2. Maximum loading on the grade beam was determined by inspection of the building geometry and through conservative assumptions regarding span lengths and support wall/foundation. All concrete walls assumed full tributary span of floor and roof members. Conclusion: Based on the loading and geometry of the structure we conclude that the foundation may be stabilized through the use of piles and connections per R&R. These are to be attached to the stem -wall (grade -beam) at an on -center (o.c.) spacing no greater than 6-0" with the installation of L6x6x3/8 angle iron, bolted to the existing foundation (connections per R&R). L120 ENGINEERING & DESIGN 20 of 27 Project Title: Engineer: Project ID: Project Descr: Steel Beam LIC# : KW-06011993, Build:20.22.7.25 L120 Engineering and Design (c) ENERCALC INC 1983-2022 DESCRIPTION: L6x6x3/8 - 4ft Segment (Max Load) CODE REFERENCES Calculations per AISC 360-10, IBC 2015, CBC 2016, ASCE 7-10 Load Combination Set: IBC 2018 Material Properties Analysis Method Allowable Strength Design Fy : Steel Yield : 36.0 ksi Beam Bracing : E: Modulus: 29,000.0 ksi Bending Axis: Major Axis Bending Vertical Leg Up D(1.0) L(1. , Span = 1.60 ft , Span = 0.8330 ft , Span = 1.60 ft i S(0.40) Applied Loads Service loads entered. Load Factors will be applied for calculations. Beam self weight calculated and added to loading Load for Span Number 1 Uniform Load : D = 1.0, L = 1.440, S = 0.50 k/ft, Tributary Width = 1.0 ft, (Typical Uniform) Point Load : D = 1.0, L = 1.440, S = 0.50 k @ 0.0 ft, (Point Load) Load for Span Number 2 Uniform Load : D = 1.30, L = 0.850, S = 0.50 k/ft, Tributary Width = 1.0 ft, (Typical Uniform) Load for Span Number 3 Uniform Load : D = 1.30, L = 0.850, S = 0.50 k/ft, Tributary Width = 1.0 ft, (Typical Uniform) Point Load : D = 1.0, L = 1.30, S = 0.40 k @ 1.60 ft, (Point Load) DESIGN SUMMARY Maximum Bending Stress Ratio = Section used for this span Ma: Applied Mn / Omega: Allowable Load Combination Span # where maximum occurs Maximum Deflection Max Downward Transient Deflection Max Upward Transient Deflection Max Downward Total Deflection Max Upward Total Deflection Overall Maximum Deflections 0.748 : 1 Maximum Shear Stress Ratio L6x6x3/8 Section used for this span 7.089 k-ft Va : Applied 9.474 k-ft Vn/Omega : Allowable +D+0.750L+0.750S Load Combination Location of maximum on span Span # 1 Span # where maximum occurs 0.022 in Ratio = 1,749 —360 Span: 3: L Only -0.001 in Ratio = 8,163 —360 Span: 3: L Only 0.038 in Ratio = 999 —180 Span: 3: +D+0.750L+0.750S -0.002 in Ratio = 4395 —180 Span: 3: +D+0.750L+0.750S 0.220 : 1 L6x6x3/8 6.407 k 29.102 k +D+0.750L+0.750S 1.600 ft Span # 1 Load Combination Span Max. "-" Defl Location in Span Load Combination Max. "+" Defl Location in Span +D+0.750L+0.750S 1 0.0384 0.000 0.0000 0.000 2 0.0000 0.000 +D+0.750L+0.750S -0.0023 0.416 +D+0.750L+0.750S 3 0.0364 1.600 0.0000 0.416 Vertical Reactions Support notation : Far left is #' Values in KIPS Load Combination Support 1 Support 2 Support 3 Support 4 Overall MAXimum 7.984 6.403 Overall MINimum 1.626 1.216 D Only 2.711 4.112 +D+L 7.984 5.951 21 of 27 Project Title: Engineer: Project ID: Project Descr: Steel Beam LIC# : KW-06011993, Build:20.22.7.25 L120 Engineering and Design (c) ENERCALC INC 1983-2022 DESCRIPTION: L6x6x3/8 - 4ft Segment (Max Load) Vertical Reactions Support notation : Far left is #' Values in KIPS Load Combination Support 1 Support 2 Support 3 Support 4 +D+S 4.411 5.329 +D+0.750L 6.666 5.491 +D+0.750L+0.750S 7.941 6.403 +0.60D 1.626 2.467 L Only 5.274 1.839 S Only 1.700 1.216 Steel Section Properties : L6x6x3/8 Depth = 6.000 in I xx = 15.40 in^4 J = 0.218 in^4 S xx 3.51 in^3 Cw = 0.58 in^6 Leg Width = 6.000 in R xx = 1.870 in Ro = 3.340 in Thickness = 0.375 in Zx = 6.270 in^3 Area = 4.380 in^2 1 yy = 15.400 in^4 Weight = 14.900 plf S yy = 3.510 in^3 Kdesign = 0.875 in R yy = 1.870 in Ycg = 1.620 in Qs = 0.912 Iz = 6.210 in^4 Sz = 2.690 in^3 Yp = 0.365 in Rz = 1.190 in Tarp = 1.00 deg Eo = 0.365 in 838 1i Ll8 1S9 I'll 233 Diske(k) 1 DOnly I+D+I I+D+S 1441% 1 +D+D,1SH+D,1S0S 1 fORD 22 of 27 Project Title: Engineer: Project ID: Project Descr: Steel Beam LIC# : KW-06011993, Build:20.22.7.25 L120 Engineering and Design (c) ENERCALC INC 1983-2022 DESCRIPTION: L6x6x3/8 - 4ft Segment (Max Load) i 3 wMEM4R...r> ti v 1 N •3 038 019 Ll'' Ib9 193 233 2d9 3,08 349 9,E8 DIS�By�e (ftM 1 DO�Iy I+D+1 I+D+S I+D+6,TS611 +D+61S61+6,1S6S 1 +6,6DD 031 016 1I4 IS3 193 233 V4 3.0 1& I'll DiSUIKe(R) 1 DOdy I+D+61+D+S I0+619114+0.1S61+6.795 I466D 1 Wgly 150,11 23 of 27 Appendix Parcel Details & Photographs 24 of 27 SnohomishOnline Government Information & Services County4O Washinaton Property Account Summary 4/29/2024 Parcel Number 00461000200400 Property Address 17710 218TH ST SW, EDMONDS, WA 98026-7950 General Information Property Description HADLEYS ACRES BLK 002 D-00 - ALL THAT PTN LOT 4 BLK 2 DAF - BEG NE COR SD LOT 4 TH S00*01 42E ALG E LN LOT 4 A DIST OF 81.57FT TH S84*25 38W 44.33FT TH N78*27 12W 84.84FT TO INT WITH W LN SD LOT 4 THN00*01 36W ALG W LN SD LOT 4 A DIST OF 69.51FT TO NW COR LOT 4 TH S89*43 15E ALG N LN SD LOT 4 A DIST OF 127.24FT TO POB AKA PAR 1 CITY OF ED SP S-34-76 REC AFN 7608030299 & REV PER AFN 7608160345 EXCW 20FT THOF CONVYD TO CITY OF ED BY QCD 1010-53 AUD FILE NO. 7608160346 Property Category Land and Improvements Status Tax Code Area Active, Locally Assessed 100217 Property Characteristics Use Code Unit of Measure (Size (gross) 111 Single Family Residence -Detached Acre(s) 10.17 Parties Role Percent Name Address Taxpayer 100 HATFIELD SHAWN L/SWENSON KIMBERLY S 7710 218TH ST SW, EDMONDS, WA 98026 Owner 100 HATFIELD SHAWN L/SWENSON KIMBERLY S 7710 218TH ST SW, EDMONDS, IWA 98026-7950 United States Related Properties No Related Properties Found Property Values Value Type Tax Year 2024 Tax Year 2023 Tax Year 2022 Tax Year 2021 Tax Year 2020 Taxable Value Regular $708,400 $767,000 $576,900 $511,900 $487,500 Exemption Amount Regular Market Total $708,400 $767,000 $576,900 $511,900 $487,500 Assessed Value $708,400 $767,000 $576,900 $511,900 $487,500 Market Land $536,100 $554,800 $417,100 $343,400 $327,900 Market Improvement $172,300 $212,200 $159,800 $168,500 $159,600 Personal Property Active Exemptions 25 of 27 No Exemptions Found Events Effective Entry Date - Type Remarks Date Time 02/27/2024 02/27/2024 Excise Processed Temporary Excise: T192318 Finalized to: E212012 11:00:03 02/23/2024 02/29/2024 Recording No. Property Transfer Filing No.: E212012, Statutory Warranty Deed, new 08:59:00 Changed Recording No.: 202402277012 02/23/2024 by SASTLM 02/23/2024 02/29/2024 Owner Property Transfer Filing No.: E212012 02/23/2024 by SASTLM 08:59:00 Terminated 02/23/2024 02/29/2024 Owner Added Property Transfer Filing No.: E212012 02/23/2024 by SASTLM 08:59:00 02/23/2024 02/27/2024 Excise Processed Property Transfer Filing No.: T192318, submitted by eREET 02/23/2024 11:00:00 by ASCEREET Tax Balance Installments Pa able Tax Year Installment Due Date Principal Interest, Penalties and Costs Total Due Cumulative Due 2024 2 10/31/2024 1 $2,500.851 $0.001 $2,500.851 $2,500.85 Distribution of Current Taxes District Rate Amount Voted Amount Non -Voted Amount CENTRAL PUGET SOUND REGIONAL TRANSIT AUT 0.16 $116.77 $0.00 $116.77 CITY OF EDMONDS 1.02 $725.60 $200.67 $524.93 EDMONDS SCHOOL DISTRICT NO 15 2.73 $1,932.66 $1,932.66 $0.00 PUB HOSP #2 0.05 $34.50 $0.00 $34.50 SNO-ISLE INTERCOUNTY RURAL LIBRARY 0.32 $229.74 $0.00 $229.74 SNOHOMISH COUNTY-CNT 0.50 $357.40 $0.00 $357.40 STATE 2.25 $1,595.01 $0.00 $1,595.01 SNOHOMISH CONSERVATION DISTRICT $10.02 $0.00 $10.02 TOTAL 7.05 $5,001.70 $2,133.33 $2,868.37 Levy Rate History Tax Year 2023 2022 2021 Real Property Structures Description IType IYear Built 1 Story w/Basement IDwelling 11937 Receipts More Information View Detailed Structure Information Total Levy Rate 6.799556 8.270203 8.207334 Date Receipt No. Amount Applied Amount Due 04/24/2024 00:00:00 13220527 $2,500.85 $5,001.70 12/05/2023 00:00:00 13122438 $2,632.24 $2,632.24 04/05/2023 00:00:00 12607171 $2,612.64 $5,225.28 12/06/2022 00:00:00 12561244 $2,437.34 $2,437.34 04/21/2022 00:00:00 12185853 $2,389.54 $4,779.09 10/26/2021 00:00:00 11900740 $2,104.67 $2,104.67 26 of 27 04/27/2021 00:00:00 11627581 $2,104.67 $4,209.34 10/26/2020 00:00:00 11333595 $2,265.16 $2,265.16 04/17/2020 00:00:00 11034965 $2,265.15 $4,530.31 10/24/2019 00:00:00 10760239 $2,106.74 $2,106.74 04/18/2019 00:00:00 10460559 $2,106.73 $4,213.47 Sales History Sale Date Entry Date /2024 Property Maps Recording Sale Excise �Deed�Transfer Grantor(Seller) Grantee(Buyer) trce her Number Amount Number Tvpe Tvoe 77012 $786,000.00 E212012 W S JAMES11 SHAWN S/MARY M L/SWENSON KIMBERLY S Neighborhood Code ITownship IRange Isection lQuarter 1parcel Map 11605000 127 104 130 INE IYkw parcel maps for this TomLan 27 of 27 Rii Wd DA �. zr 1 si r sus U1{f ar C ST i Rf A M' t Conc Ir "al 14 S' Existing building plan provided by Snohomish County records for Parcel #: 00461000200400 for address: 7710 218th St SW, Edmonds, WA 98026 Note that analysis assumptions such as building geometry, tributary areas, and loading were determined through examination of these photographs and industry knowledge of standard construction practices. -L120