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APPROVED BLD-BLD2021-1101+Structural_Analysis_or_Calculations+8.9.2021_12.24.17_PM+23466181 of 25 RECEIVED Aug 09 2021 CITY OF EDMONDS DEVELOPMENT SERVICES DEPARTMENT LONGITUDE ONE TWENTYo ENGINEERING & DESIGN Calculation Package for Foundation Stabilization/Left REVIEWED BY CITY OF EDMONDS BUILDING DEPARTMENT STRUCTURAL ENGINEER L120 ENGINEERING & DESIGN 13150 91s' PL NE KI RKLAN D, WA 98034-5901 CONTACT: MANS THURFJELL, PE 17808 73rrd P1 W, Edmonds, WA 98026 Project No: S210713-1XR July 30, 2021 Prepared for: R&R Foundation Specialist 3409 McDougall Ave, suite 204 Everett, WA 98201 P: 425.760.5077 EMAIL: MTHURFJELL@L120ENGINEERING.COM BLD2021-1101 PILE SPACING & LOAD REOUIRMENTS TABLE PILE$ PIPE TYPE YAXO.C.SPACING,R MIN VERTICAL CAPACITY, kips PROOF TESTING LOAD, kips LOCATION 6TWN PILES END OFFSET ALLOWABLE LOADING 200% MIN VERTICAL CAPACITY (MIN ULTIMATE CAPACITY) T)gtal HE1114 PER PLAN I PER PLAN Ml,il G2.0 Up TYP NOTES: a. MINIMUM AND MAXIMUM INSTALLATION TORQUE FOR HELICALASSEMBLIES SHALL BE SPECIFIED BY THE PILE MANUFACTURER. THE MINIMUM INSTALLATION TORQUE SHALL BE HIGH ENOUGH TO ACHIEVE THE REQUIRED BEARING CAPACITY LOADING, INCLUDINGA SAFETY FACTOR NO LESS THAN 2, THE MAXIMUM IN:TALLATON TORQUE SHALL NOT EXCEED THE ALLOWABLE TORSIONAL CAPACITY OF THE PILE SHAFTS OR MY PART OF THE PILE ASSEMBLY. MAXIMUM ITALLATION TORQUE RATING OF 8,300MLBS FOR A2-TM INCH DIAMETER HELICAL PILE WITH 8203INCH $HAFT WALL THICKNESS PER EBR37%, N. FOR HELICAL PILES, PER IDEAL GROUP DWG N0.: 2787G, THE ALLOWABLE STRUCTURAL CAPACITY FOR THE 2 TO TRU-FORCE UNDERPINNING BRACKET IS LIMITEDT030KIPS. c. HELICALASSEMBLIESAS MANUFACTURED BY IDEAL MANUFACTURING, INC., IN ACCORDANCE WITH ESR-3T50. V. PILE OR ANCHOR LOADS NOT TO EXCEED MAXIMUM CAPACITY AS DETERMINED BY THE MANUFACTURER FOR ANY PART OF THE ASSEMBLY. e. MAXIMUM ON -CENTER SPACING LISTED FOR TYPICAL PILE INSTALLATION UNLESS NOTED OTHERWISE ON PLAN. SITE PLAN LEGEND ■ EXISTING RESIDENCE STRUCTURE EXISTING ADJACENT STRUCTURE - AREA OF PROPOSED WORK ---- PROPERTY LINE APPROXIMATE DIMENSION i PRO_PE_RTY LINE L-_-_-_-_-_-_-159'-0" _-_-_-_._-_-_-_-_-_-_ _ 7. I G:i 4 - ain a ai (E) STRUCTURE -------------1=19'_0,. i 1 ' I SITE PLAN wo C) mrz i 2A C Amp I Y �2 Q 3P W -Na R,\yY.WEi7F �o`OO=O r �m � ¢ I PROPA », five 1 R�'ER 1 SEER O 1 ln� OVERALL PARCEL PLAN I ; I PRIMARY ENTRANCE 1 i 2� LOCATE PILE UNDER POST {} T —__lr (E) RESIDENCE 17808 73RD PL W, EDMONDS, WA 98026 JU :a0 L•ei..................... 1 6 7 LOCATE PILE WITHIN 2'-O" MAX / � OF CORNER AREA OF WORK FOUNDATION NOTES 1, VERIFY ALL DIMENSIONS ON SITE. 2. FOUNDATION DIMENSIONS ARE TO OUTSIDE FACE OF CONCRETE STEM WAIL PER RBR LEVEL SURVEY. 3. REFER TO THE FOLLOWING DETAILS FOR ADDITIONAL INFORMATION: HELICAL PILE................................................................................... 11S0.1.1 4. REFERTO STRUCTURAL CALCULATIONS PACKAGE DATEDJULY 30,2021, FORADDITIONAL INFORMATION.. SPECIFICATIONS, AND REQUIREMENTS. 5. LEVEL SURVEY PER RBR REPAIR PLAN DATED JUNE 30,2021. REFER TO STRUCTURAL CALCULATIONS PACKAGE FOR MODIFICATIONS AND ADDITIONAL REQUIREMENTS FOR REPAIR PLAN. 6. MINIMUM PILE DIAMETER SHALL BE 2-71F. 7. IT IS ACCEPTABLE TO INSTALL PILES AT THE SPACING SHOWN WITH x tlE' TOLERANCE TO ALLOW FOR UNEXPECTED OBSTRUCTIONS ENCGUNTERED DURING PILE INSTALLATION PROVIDED THAT NO TWO ADJACENT SPANS EXCEED THE SPACING LIMITATION AS INDICATED ON LEVEL SURVEY. B. IF REQUIRED, ALL SUPPLEMENTAL CHANNELS TO SPAN FROM PILE TO PILE AND EMEND MIN 6" PAST SUPPORTING PILE EA END. 9. IF REQUIRED, ALL SUPPLEMENTAL CHANNELS TO BE ANCHORED TO THE FOUNDATION WITH 51T DAM. SIMPSON TITEN HD SCREW ANCHORS (OR APPROVED EQLVALENT) AT MAXIMUM SPACING 12' O.C. WI MIN. C EMBED. ANCHORS TO BE CENTERED ON OR INSTALLED ABOVE THE CENTER LINE OF THE CHANNEL. 10. FIELD VERIFY ALL EXISTING STEM WALLS AT AND BETWEEN PILE ATTACHMENT LOCATIONS ARE 8' THICK MINIMUM WITH 2'4H HEIGHT (MEASURED FROM B/FTG TO TICONC) MINIMUM. 11. PARCEL DIMENSIONS APPROXIMATED BY SNOHOMISH COUNTY ASSESSOR GIS MAPPING TOOLS 8 TAXSIFTER INCLUDING THE SELECTED PARCEL. PROPERTY DIMENSIONS ARE APPROXIMATE FOR REPRESENTATIVE PURPOSES ONLY. NOT TO SCALE. NOT TO SE USED FOR LEGAL PURPOSES OR IN PLACE OF A FIELD SURVEY. 12. SITE FEATURES AND EXISTING STRUCTURES ON ADJACENT PARCELS NOT SHOWN FOR CLARITY. 13, PILES SHALL BE INSTALLED TO MINIMUM EMBEDMENT OF 5'-0' OR UNTIL REFUSAL, WHICHEVER IS SHALLOWER.. HELICAL PILE REFUSALCRITERA TORQUING OF THE PILE SHALL CONTINUE UNTIL HYDRAULIC PRESSURE IS ACHIEVED TO PROVIDE THE SPECIFIED MINIMUM VERTICAL CAPACITY WITH A SAFETY FACTOR OF NO LESS THAN TWO. ADVANCEMENT SHALL. BE HALTED IMMEDIATELY IF THE STRUCTURE BEGINS TO EXPERIENCE UPLIFT FLEXURE. PARCEL NO. 00473700000900 LEGAL DESCRIPTION HILLVIEW ADD BLK 000 D-00 LOT 9 TGW TH PTN LOT 8 SO PLAT DAF BEG AT MOST NWLY CORSO LOT 8 TH N40'58 49E ALG NWLY UN SO LOT 106.97FT TH S22'40 OOW 45.353FT TH S42'24 09W 35.887FT TH S66'27 33W 31.057FT TO POB AKA REV LOT 9 PER CITYOF EDM SP S-20-90 REC AF NO 9102010195 OWNER NAME 8 ADDRESS MITCHELL STEPHEN 17808 73RD PL W, EDMONDS, WA 98026 w Q ? j Zo 00E J 17808 73RD PL W, EDMONDS, WA 98026 PROTECT NUMBER S210713-1 XR DRAWN BY FY al- MRT 07/30/2021 THE PROJECT WILL NOT RESULT IN CHANGING OF SITE TOPOGRAPHY OR EXISTING DEVELOPED AREAS. SITE PLAN 3 of 25 LONGITUDE ONE TWENTYO ENGINEERING & DESIGN PROJECT NO. SHEET NO. S210713-1 PROJECT 17808 73RD PL W, EDMONDS, WA 98026 SUBJECT Foundation Stabilization/Jackin Vo FY DATE 07/30/2021 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 Summa - The foundation of the residence consists of continuous cast -in -place concrete stem wall and concrete strip footings. Below the footings, piles are to be spaced at a distance no larger than 6'-0" on -center at the locations indicated on the attached Level Survey Piles to be installed in accordance with SSK-01. - End piles are to be placed as close to corners as possible and shall not exceed a max corner offset distance as per plan. - A maximum allowable loading of 2,660 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: Exterior/Perimeter Piles @ 6-0" Max ........................................... 16.0 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 June 30, 2021, 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 25 GENERAL NOTES HELICAL PILES 1. HELICAL PILES SHALL BE DESIGNED AND MANUFACTURED IN ACCORDANCE WITH THE 2018 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 2012 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 2018 INTERNATIONAL BUILDING CODE (IBC). THE MAXIMUM TEST LOAD SHALL BE TWO -HUNDRED (200) PERCENT OF THE SPECIFIED DESIGN LOAD. 5 of 25 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 2012 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 25 LONGITUDE ONE TWENTY° ENGINEERING & DESIGN PROJECT NO. SHEET NO. S210713-1 PROJECT 17808 73RD PL W, EDMONDS, WA 98026 SUBJECT StdbdubnbQ n6itabiiizRiieri,f EteiN n Chart BY FY DATE 07/30/2021 Ideal Foundation Systems 2-7/8"0 Helical Pile (0.203-inch wall thickness) -Soil Capacity per ESR-3750 DIGGA 6K Drive Head L120 ENGINEERING &DESIGN 7 of 25 LONGITUDE ONE TWENTY° ENGINEERING & DESIGN PROJECT NO. SHEET NO. S210713-1 PROJECT 17808 73RD PL W, EDMONDS, WA 98026 SUBJECT StdWdn btRBnFAabiiizMierihistoNi n Chart BY FY DATE 07/30/2021 Oaf01111d7tion Systems 2-7/8"0 Helical Pik (0.103-inch wall thickness) -Soil Capacity per ESR-3750 Torque L120 ENGINEERING &DESIGN 8 of 25 Wednesday, June 30, 2021 SCOPEOF WORK FOUNDATION SPEC'""` Crew will install 3" Helical Piles and lift home to maximum practical recovery. Crew will drive piles to a maximum 25' after there will be a $20 a foot charge per pile. Crew will drill 3/8" holes and inject Polyurethane Foam to lift and support slab. Crew will pump a maximum of 220 Ibs, after there will be a $7 charge per lb. Estimated amount of foam will be 200-240lbs 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. 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 specified below. LEVEL SURVEY 0 ZQ LO N 3/4 �i I ❑ = Polyurethane Lift � Iipl Pile with ■ 51.5' 0 S in UNDER P LOCATE PILE WITHIN 2'-0" MAX I OF CORNER 9 of 25 Wednesday, June 30, 2021 JOCK Fr1OTOS FOUNQATION SPECIALIST West side of home, Piles 1-7 will be installed here. South side of home, Piles 8-11 will be installed here. Crew will drill 3/8" holes here and inject Polyurethane Foam to lift and support slab. Crew will pump a maximum of Ibs, after there will be $5 charge per lb. Homeowner will need to remove carpet and stored items so slab can be raised. Photographs provided by R&R. 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 LONGITUDE ONE TWENTY ENGINEERING & DESIGN 10 of 25 PROJECT NO. NO. S210713-1XR SSK-01 PROJECT 17808 73RD PL W, EDMONDS, WA 98026 SUBJECT Foundation Stabilization/Jackin BY y (E) WOOD FRAMED FLOOR SYSTEM, FIELD VERIFY 8" MIN THICKNESS, CONTRACTOR TO VERIFY r d oILL W U F = <LLJ Z I L \ v d z p a 0 N N d —" li =IIII=IIII=IIII=IIII=IIII=III ° "" =11' =IIII=IIII=IIII • d d =IIII—IIII—III d d . '=IIII=IIII • 'III=IIII=III ° ° '' =IIII— 11=IIII=IIII=IIII= 1=IIII=IIII=IIII=IIII= (E) CONTINUOUS CONC 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. 3. AT CUT INSTALLATION POCKET ALL EXPOSED STEEL REINFORCEMENT SHALL BE SEALED OR COATED TO PREVENT CORROSION. DATE 07/30/2021 (E) CONC STEM WALL T/STEM WALL = FIELD VERIFY T/FIN GRADE _ 1=IIII=IIII=IIII=1 VARIES 'IIII=IIII-IIII-IIII= 1=Illl=llll=dll— (E) FTG TO BE CUT FLUSH IIII=IIII=1111=1II1 =rill=rill=rill=i WITH FACE OF STEM WALL 'IIII—I111=I111=11 - WITH A 12" MAX WIDTH FOR I=IIII=fill=fill lilt Ii11-Ii11-1i11— I11_ INSTALLATION POCKET 1=IIII=ILI =III 'IIII=IIIIrill-ll, T/CONC FTG = h I— — — FIELD VERIFY IIII=IIII=IIII 11=IIII=IIII= IIII—IIII—IIII II=IIII=IIII= IIII=IIII=1i II=IIII=IIII IIII=IIII=IIII- III=IIII— IIII=1 IIII_ IDEAL HELICAL PILE & REPAIR BRACKET ASSEMBLY PER R&R FOUNDATION SPECIALIST TO CONFORM TO ESR-3750 L120 ENGINEERING & DESIGN 1 1/2 X 1 SLOT(TYP) 2 7/8" TRUFORCE BRKT BASE GALV. TOP 2 7/8 TRUFORCE BRKT BASE GALV. FRONT" TRUFORCE UNDERPINNING BRACKET FOR 2 7/8" PILE SHAFT 7'Y2 -- + 1 1/2 X 1 2 7/8" TRUFORCE BRKT T-BRKT GALV. SLOT (TYP) TOP -10 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.I 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. 8. 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 401DEAL Group 278TFG THE INFORMATION CONTAINED IN THIS DRAWING IS THE SOLE PROPERTY OF IDEAL MANUFACTURING, INC. ANY REPRODUCTION IN PART OR AS A WHOLE WITHOUT WRITTEN PERMISSION OF IDEAL MANUFACTURING, INC. IS PROHIBITED. 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][DID2]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. pa I p3 I �I �D3 �D= �{ �D� I I I p3 —Li LING NUTS 5% (TYP) ?� 1 T 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][D'D2D3]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 PICTURE PARKWAY STER, NY 14580 789-48101 WWW.IDL-GRP.COM NOT TO SCALE ALL UNITS IN INCHES U.N.O. 3 401DEAL Group 278203 SINGLE HELIX EXTENSION TRIPLE HELIX LEAD TIP CUT AT 45° THE INFORMATION CONTAINED IN THIS DRAWING IS THE SOLE PROPERTY OF IDEAL MANUFACTURING, INC. ANY REPRODUCTION IN PART OR AS A WHOLE WITHOUT WRITTEN PERMISSION OF IDEAL MANUFACTURING, INC. IS PROHIBITED. SHEET 1 OF 1 B 13 of 25 LONGITUDE ONE TWENTY° ENGINEERING & DESIGN LOAD ANALYSIS: IBC 2018 - 2-STORY BUILDING Max Wall Spacing = 6'-0" Max *Typical @ Perimeter Roof LL (snow ground): 25 psf Floor LL: 40 psf Floor/Roof DL: 15 psf Wood Wall DL: 12 psf Brick Wall DL: 39 psf Stemwall DL: 100 psf * 8" stemwall Typical Pile: Roof Trib: 0.5*40' span = 20' Floor Trib: 0.5*20' span * 2 story =10' Wood Flr Ht: 10' Brick Flr Ht: 10' Concrete Ht = 2'-6" *conserv. assumed for load calculations 7 ter• 0 =11 0 = 0• S210713-1XR PROJECT 17808 73RD PL W, EDMONDS, WA 98026 SUBJECT Foundation Stabilization/Jacking BY FY DATE 07/30/2021 Typical Perimeter Pile: 6'-0" Max Beam Span = 6.00 ft Story tt Trib DL LL RL SL EQ Roof 1 20.0 ft 300 pif 0 plf 400 plf 500 pif 0 plf Floor 2 10.0 ft 300 plf 800 plf 0 plf 0 plf 0 pif Wood Wall Ht 1 10.0 ft 120 plf 0 plf 0 plf 0 plf Brick Wall Ht 1 10.0 ft 390 pif 0 plf 0 pif 0 plf Conc Wall Ht 1 2.5 ft 250 pif 0 plf 0 pif 0 pif 0 plf Total 1360 pif 800 pif 400 pif 500 plf 0 pif Total x Span w/ SW 8.2k 4.8k 2.4k 3.0k 0.0k Total x Span w/o SW 6.7k 4.8k 2.4k 3.0k 0.0k Unfactored Uniform Load 2,660 pif 2,020 plf Unfactored Point Load 16.0 k 14.5 k W/ SW W/o SW Notes: 1. Both uniform and point loads analyzed in the following concrete beam analysis. 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 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. L120 ENGINEERING & DESIGN 14 of 25 LONGITUDE ONE TWENTYO ENGINEERING & DESIGN PROJECT NO. SHEET NO. S210713-1 PROJECT 17808 73RD PL W, EDMONDS, WA 98026 SUBJECT Foundation Stabilization/Jackin Vo FY DATE 07/30/2021 Maximum loading on grade beam determined based on building geometry, and through conservative assumptions regarding span lengths and support walls/foundation. Basically, all concrete walls assumed full tributary span of floor members 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 the maximum spacing indicated on the attached Level Survey. L120 ENGINEERING & DESIGN 15 of 25 Project Number: Plan Name: Sheet Number: S210713-1XR 17808 73RD PL W, EDMONDS, WA 98026 Engineer: Subject: Date: FY 2ft Unreinforced Conc Beam (Typical 6-0") 7/30/2021 DEMAND CALCULATION numberofstories # 2stories span L 6.0 ft concrete area A 216 in2 concrete self weight SW 225 plf Pt DL DL 6.70 k = 6.0 ft * 946 Pt LL LL 4.80k = 6.0 ft * 980 Pt LLr LLr 3.00 k = 6.0 ft * 100 momentfrom DL MDL 11,063 lb-ft 132.8 Wn momentfromLL MLL 7,2001b-ft 86.4k-in momentfromSL MLL, 4,500lb-ft 54.0k-in factored moment MLRFD 185.9 k-in 1.4DL MLRFD 324.5k-in 1.2DL + 1.6LL + 0.5SL MLRFD 332.1 k-in 1.2DL+ 1.6SL+ LL controlling factored moment M„ 332.1 k-in factored shear VLRFD 5.6 k 1.4DL VLRFD 9.4k 1.2DL + 1.6LL + 0.5SL VLRFD 9.6 k 1.2DL+ 1.65L+ LL controlling factored shear V„ 9.6 k controlling factored bearing B„ 9.6 k STRENGTH CALCULATION concrete strength Pc 2.5ksi assumed light wt concrete mod. factor X 1 normal weight concrete flexure strength red. factor 1pfie. 0.9 tension -controlled shear strength red. factor shear 0.75 bearing strength red. factor Obeam, 0.65 moment of ineritia 1.. 11,016 in4 elastic section modulus Sm 1,001 in3 tens fiber to NA C 11.0 in nom flexure strength (T controls) Mn 250.4 k-in Mn = 51JcS,,, nom flexure strength(C controls) Mn 2,128.1 k-in M. =O.R5f'S RESIDENTIAL CONCRETE M„ 375.5 k-in M„ = 7.55AVfTcS„L CONTROLS flexure strength OW 338.0 k-in > Mu OK nom shear strength V„ 14.4 k i7 4 * A n =3 V/ c shear strength 41V� 10.8 k > Vu OK loaded bearing area A, 74 in2 supporting surface bearing area AZ 74 in2 nom bearing strength B„ 156.6 k 0.85f'Al bearing strength 41B* 101.8 k > Bu OK Additional Verification Calc: max concrete tensile strength f, 375 psi %r = 7.SA max beam tensile stress Fr 332 psi Ft = (M * c)/ Ixx fr > Ft OK [max on -center pile spacing] *see attached [Includes total height w/o ACI14 §14.5.1.7 redux] [2-story loading] [2-story loading] [2-story loading] [R=V for SS beam] ACI14 [Table 21.2.1] ACI14 [Table 21.2.1] ACI14 [Table 21.2.1] *see attached *see attached *see attached ACI 318-14 [Eq. 14.5.2.1a] ACI 318-14 [Eq. 14.5.2.1b] ACI 332-14 [Eq. 8.2.1.11 D/C= 98.26% ACI14 [Table 14.5.5.1(a)] D/C= 89.17% [IDEAL 2-7/8" Tru-Force Underpinning Bracket] [If the supporting surface is > than loaded area] ACI14 [Table 14.5.6.1(c)] D/C= 9.46% ACI 14 [Eq. 19.2.3.1] 16 of 25 Project Number: Plan Name: Sheet Number: 5210713-1XR 17808 73RD PL W, EDMONDS, WA 98026 Engineer: Subject: Date: FY 2ft Unreinforced Conc Beam (Typical 6'-0") 7/30/2021 Final Section Properties Total Area 216.0 in^2 Ixx 11.016.0 in^4 Sxx : - Y 1,001.45 in^3 lyy 1,631.93 in^4 Sxx : +Y 847.38 in^3 Calculated final C.G. distance from Datum : X cg Dist. 0.0 in Zxx 1,349.99 in^3 Syy : - X 271.988 in^3 Syy : +X 271.988 in^3 Y cg Dist. 0.0 in Zyy 504.0 in^3 Edge Distances from CG.: r xx 7.141 in +X 6.0 in +Y 13.0 in r yy 2.749 in -X -6.0 in -Y In Rotation of All Components @ , 0.00 deg CCW Per AC114 §14.5.1.7 General - I : 1f1 Xcg = 0.000 in Ycg = 0.000 in Rotation = 0 deg CCW Top Flange Width = S.00Oin Top Flange Thick = 8.000in Web Thickness = 8.00Oin Bottom Flange Wid 12.000in Bottom Flange This 6.00Oin Top Height = 24.00Oin 17 of 25 Concrete Beam KU-06011993 LIZI hngineering ancllesign DESCRIPTIO Typ Unreinf Fndn - 8ft 1-Story - C6x8.2 Supplemental Vertical Reactions Support notation : Far left is #1 Load Combination Support 1 Support 2 +D+0.70E+H 3.367 3.367 +D+0.750Lr+0.750L+0.450W+H 6.067 6.067 +D+0.750L+0.750S+0.450W+H 4.567 4.567 +D+0.750L+0.750S+0.5250E+H 4.567 4.567 +0.60D+0.60W+0.60H 2.020 2.020 +0.60D+0.70E+0.60H 2.020 2.020 D Only 3.367 3.367 Lr Only 2.000 2.000 L Only 1.600 1.600 S Only W Only E Only H Only Maximum Forces & Stresses for Load Combinations Load Combination Location (ft) Bending Stress Results ( k-ft ) Segment Span # along Beam Mu: Max Phi`Mnx Stress Ratio MAXimum BENDING Envelope Span # 1 1 8.000 29.79 64.50 0.46 +1.40D+1.60H Span # 1 1 8.000 16.12 64.50 0.25 +1.20D+0.50Lr+1.60L+1.60H Span # 1 1 8.000 28.03 64.50 0.43 + 1.20 D+ 1.60 L+0.50S+ 1.60 H Span # 1 1 8.000 24.04 64.50 0.37 +1.20D+1.60Lr+0.50L+1.60H Span # 1 1 8.000 29.79 64.50 0.46 +1.20D+1.60Lr+0.50W+1.60H Span # 1 1 8.000 26.60 64.50 0.41 + 1. 20 D+0. 50 L+ 1.60S+ 1.60 H Span # 1 1 8.000 17.01 64.50 0.26 + 1.20 D+ 1.60S+0.50 W + 1.60 H Span # 1 1 8.000 13.82 64.50 0.21 +1.20D+0.50Lr+0.50L+W+1.60H Span # 1 1 8.000 21.01 64.50 0.33 + 1. 2 0 D+0.5 0 L+0. 5 0 S+ W+ 1. 60 H Span # 1 1 8.000 17.01 64.50 0.26 +1.20 D+0.50L+0.70S+E+ 1.60 H Span # 1 1 8.000 17.01 64.50 0.26 +0.90D+W+0.90H Span # 1 1 8.000 10.36 64.50 0.16 +0.90D+E+0.90H Span # 1 1 8.000 10.36 64.50 0.16 18 of 25 Concrete Beam DESCRIPTIO Typ Unreinf Fndn - 8ft + Cant - 1-Story Uniform - C6x8.2 Supplemental 4,34 5.45 6156 1,64 8115 9186 11,00 Distance (ft) 1 +1.46D+1.66N 1 +I,ZDD+6.5D1 +1.661+1.66N 1 +11DD+121456S+L66H 1 +110+1101. D,S01+L66H 1 +LZDD+110I. D,SDW+L66H 1 +1,ZDD+D,SDl+1,665+1,66H +1,ZDD+I.6DS+6,56W+1,66H 1 +S,ZDD+6.5D1 +6.5D1+W+1.6DH 1 +11DD+DSDl+6.5DS+W+L66H 1 +1,ZDD+D,SDI+6,165+E+1,66H 1 +D,9DD+W+6,96H 1 +6,9DD+E+6,9DH 0 1 i MEMBER•••,, .7 l 1 I I I I 'M l ij a 2.19 3.23 434 5.45 6156 7.64 8,75 9186 11,00 Distance (ft) +I.0+166H 1 +1,ZDD+D,SOb+1,663+1,66H 1 +110N.61)I4SDS+L66H 1 +110+1101. 101+L66H 1 +11DD+L6 I.A.S6W+L66H 1 +i,ZDD+D,SDl+1,665+1,60H +1,ZDD+I.6DS+6,56W+1.6DH 1 +110D+D,SDU+D,S15I40.66H 1 +1101)4SDI+D,S0540,6611 1 +1,ZDD+D.SDI+0,IDS+E+1,66H 1 +D,9DD+W+D,9DH 1 +6.9DD+E+6.9DH 19 of 25 LONGITUDE ONE TWENTYO ENGINEERING & DESIGN PROJECT NO. SHEET NO. S210713-1 PROJECT 17808 73RD PL W, EDMONDS, WA 98026 SUBJECT Foundation Stabilization/Jackin BY y DATE 07/30/2021 FOUNDATION LOADING ------------ ----------------- -------------- 0 0 M -1111-III 1111=1111=1111=1111=1111=1111=IIII=1111 III-1111=1111=1111=1111=1111=1111=IIII=11 1111=IIII=1111 IIII=1=IIII-iln-1111=�111=II11=IIII=1111= I 1=1111=1111=1111=1111=1111=1111=IIII=1111 111=IIII=1111= 6'-0" OC 6'-0" OC PILE PILE PILE As illustrated above, the concrete compression cone extending from each pile will expand to cover the full length of any wall with a height greater than 1/2 of the pile spacing. Therefore an unreinforced wall with minimum height of 3'-0" can span between piles spaced at 6'-0"oc. L120 ENGINEERING & DESIGN 20 of 25 Appendix Parcel Details & Photographs 21 of 25 SnohomishOnline Government Information & Services County Washington Home Other Property Data > Search Results > Help Property Account Summary 7/30/2021 Parcel Number 100473700000900 jProperty Address 117808 73RD PL W, EDMONDS, WA 98026 General Information HILLVIEW ADD BLK 000 D-00 LOT 9 TGW TH PTN LOT 8 SD PLAT DAF BEG AT MOST NWLY CORSD LOT 8 TH N40*58 491 Description ALG NWLY LN SD LOT 106.97FT TH S22*40 OOW 45.353FT TH S42 24 09W 35.887FT TH S66 27 33W 31.057FT TO POB AKA REV LOT 9 PER CITYOF EDM SP S-20-90 REC AF NO 9102010195 Status Tax Code Area Property Characteristics Use Code Unit of Measure Size (gross) Related Properties No Related Properties Found Parties Land and Improvements Active, Locally Assessed 00217 III 0.39 Residence - Detached Role Percent Name Address Taxpayer 100 MITCHELL 17808 73RD PL W, EDMONDS, WA STEPHEN 98026 United States Owner 100 MITCHELL 17808 73RD PL W, EDMONDS, WA STEPHEN 198026 United States Property Values Value Type Tax Year 2021 Tax Year 2020 Tax Year 2019 Tax Year 2018 Tax Year 2017 Taxable Value Regular $545,900 $531,400 $512,600 $460,000 $399,100 Exemption Amount Regular Market Total $545,900 $531,400 $512,600 $460,000 $399,100 Assessed Value $545,900 $531,400 $512,600 $460,000 $399,100 Market Land $346,000 $333,700 $323,000 $286,200 $243,500 Market Improvement $199,900 $197,700 $189,600 $173,800 $155,600 22 of 25 LPersonal Property Active Exemptions No Exemptions Found Events Effective Date jEntry Date -Time IType Remarks 08/30/2011 08/30/2011 11:34:00 IThe situs address has changed by sasjra 08/30/2011 08/30/2011 11:34:00 IThe situs address has changed by sasjra Tax Balance Pay Online Visit our payment site to make an online payment. PAY NOW Pay By Mail Make Check/Money Order to: Snohomish County Treasurer Send to: Snohomish County Treasurer 3000 Rockefeller Ave M/S 501 Everett, WA 98201 Installments Pa able Tax Year Installment iDue Date I Principall Interest, Penalties and Costsl Total Duel Cumulative Due 2021 2 10/31/2021 $ 244.211 $0.001 $2,244.211 $2,244.21 View Detailed Detailed information about taxes and all other charges displayed Statement above. Calculate Future Payoff Taxes, interest and penalty due on a specific future date. Distribution of Current Taxes District Rate Amount Voted Non - Amount, Voted Amount CENTRAL PUGET SOUND REGIONAL TRANSIT AUT 0.20 $107.59 $0.00 $107.59 CITY OF EDMONDS 1.26 $689.85 $195.14 $494.71 EDMONDS SCHOOL DISTRICT NO 15 2.80 $1,527.88 $1,527.88 $0.00 PUB HOSP #2 0.06 $33.72 $0.00 $33.72 SNO-ISLE INTERCOUNTY RURAL LIBRARY 0.42 0.64 $231.691 $347.29 $0.00 $0.00 $231.69 $347.29 SNOHOMISH COUNTY-CNT STATE SNOHOMISH CONSERVATION DISTRICT TOTAL 2.83 $1,542.37 $0.00 $1,542.37 $8.03 $0.00 $8.03 8.21 $4,488.42 $1,723.02 $2,765.40 Pending Property Values Pending Market Market Tax Year Land Value Improvement Value 2022 $388,000.00 $222,200.00 Market Current Use Current Use Current Use Total Value Land Value Improvement Total Value $610,200.00 $0.00 $0.00 $0.00 Levy Rate History 23 of 25 24 of 25 LFin 1326 s.f. io is N N 51' Existing building plan provided by Snohomish County records for Parcel No. 00473700000900 for address: 17808 73RD PL W, 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. -1-120 25 of 25 Photographs provided by R&R. 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