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REVIEWED BLD-BLD2021-0947+Structural_Analysis_or_Calculations+7.8.2021_12.50.29_PM+22901101 of 17 BLD2021-0947 RECEIVED Jul 08 2021 CITY OF EDMONDS DEVELOPMENT SERVICES DEPARTMENT LONGITUDE ONE TWENTY° ENGINEERING & DESIGN calculation Package for ... REVIEWED BY CITY OF EDMONDS BUILDING DEPARTMENT Foundation Stabilization/Lift STRUCTURAL ENGINEER L120 ENGINEERING & DESIGN 1315091"PLNE KIRKLAND, WA 98034-5901 24319 90th Ave W Edmonds, WA 98206 Project no: 5210602-1XR ,July 2nd 2021 Prepared for: R&R Foundation Specialist 3409 McDougall Ave, suite 204 Everett, WA 98201 P: 425.760.5077 CONTACT: MANS THURFJELL, PE EMAIL: MTHURFJELL@L120ENGINEERING.COM PHONE: (425) 636-3313 PROPERTY LINE PARCEL NO. 00579600000600 1 LEGAL DESCRIPTION I SNO KING HOMES ELK 000 D-00 - LOT 6 OWNER NAME &ADDRESS SPEROFF MICHAEU YULIYA OLEGOVNA 111111 Ave W • 1 Edmonds, WA 98205 :4 O\ 4 4 (E)STRUCTURE \,• 24307 901h Ave Wm Edmonds, WA 98206 �. A. I WOOD DECK (E) RESIDENCE 24316 901h Ave W, Edmonds, WA 98206 DETACHED GARAGE PILEt PILE BTWN ENO 200%MIN VERTICAL CAPACffY --I- T YPE _.. __ ALLOWABLE LOADING _....... _....__._.___ 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 CAPACITYLOADING, 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 OF8,300FT'LBS FOR A 2-TI8INCH DIAMETER HELICAL PILE WITH LM INCH SHAFT WALL THICKNESS PER ESR-37W. b. FOR HELICALPILES, PER IDEA- GROUP MGNO. :MITES, THE ALLOWABLE STRUCTURAL CAPACITY FOR THE 271F 90th AVE W TRU-FORCE UNDERPINNING BRACKET IS LIMITED T029 KIPS. c. HELIGAL ASSEMBLIES AS MANUFACTURED BY IDEAL MANUFACTURING, INC., IN ACCORDANCE WITH ESR-3750. d. CONCENTRIC DRIVEN PILES AS MANUFACTURED BY STABILLOC SYSTEMS, L-C, IN ACCORDANCE WITH ES-21. e. PILE OR ANCHOR LOADS NOT TO EXCEED MAXIMUM CAPACITYAS DETERMINED BY THE MANUFACTURER FOR ANY PART OF THE ASSEMBLY. f. MAXIMUM ON -CENTER SPACING LISTED FOR TYPICAL PILE INSTALIATON UNLESS NOTED OTHERWISE ON PLAN. ,E)STIHLI11 UIHE 8917 244TH ST SW EC—deWA 4820E 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. FOUNDATION NOTES 2. FOUNDATION DIMENSIONS ARE TO OUTSIDE FACE OF CONCRETE STEM WALL PER RBR LEVEL SURVEY, 3. REFER TO THE FOLLOWING DETAILS FOR ADDITIONAL INFORMATION: STABIL-LOC PILES ....................................... SSK-001 4. REFERTO STRUCTURAL CALCULATONSPACKAGE DATED JULY2,421, FORADDITIONAL INFORMATION, SPECIFICATIONS, AND REQUIREMENTS. S. LEVEL SURVEY PER RBR REPAIR PLAN DATED MAY 26TH, 2021. REFER TO STRUCTURAL CALCULATIONS PACKAGE FOR MODIFICATIONS AND ADDITIONAL REQUIREMENTS FOR REPAIR PLAN. 6. MINIMUM PILE DIAMETER SHALL BE 2-7I0', 7. IT IS ACCEPTABLE TO INSTALL PILES AT THE SPACING SHOWN WITH t 0'8 TOLERANCETOALLOW FOR UNEXPECTED OBSTRUCTIONS ENCOUNTERED 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 MEND MIN BE PAST SUPPORTING PILE EA END, 9. IF REQUIRED, ALL SUPPLEMENTAL CHANNELS TO BE ANCHORED TO THE FOUNDATION WITH BR' DIM. x 4' SIMPSON TITEN HD SCREW ANCHORS (OR APPROVED EQUIVALENT( AT MAXIMUM SPACING IFOC. ANCHORS TO BE CENTERED ON OR INSTALLED MOVE THE CENTER LINE OF THE 10. FIELD VERIFY ALL EXISTING STEM WALLS ATAND BETWEEN PILE ATTACHMENT LOCATIONS ARE 8' THICK MINIMUM WITH 2' ' HEIGHT (MEASURED FROM MG TO TCONC) MINIMUM. 11. PARCEL DIMENSIONS PROVIDED BY SNOHOMISH COUNTY. NOT TO SCALE. PROPERTY LINE AND RESIDENCE LOCATING DIMENSIONS (WITH ASTERISK,') APPROXIMATED PER PIERCE COUNTY PALS AND GIS MAPPING TOOLS. NOT TO BE USED FOR LEGAL PURPOSES. 12. SITE FEATURES AND EXISTING STRUCTURES ON AGJACENT PARCELS NOTSHOWN FOR CLARITY. 14. PILES SHALL BE INSTALLED TO A MINIMUM EMBEDMENT OF —OR UNTIL REFUSAL, WHICHEVER IS SHALLOWER. DRIVEN PILE REFUSAL CRITERIA: ADVANCEMENT OF THE PILE SHALL CONTINUE UNTIL A WORKING PRESSURE IS ACHIEVED TO PROVIDE THE SPECIFIED MINIMUM VERTICAL CAPACITY WJTHASAFETYFACTOROFNOLESSTHANTWO. ADVANCEMENTSHALLBE HALTED IMMEDIATELY IF THE STRUCTURE BEGINS TO EXPERIENCE UPLIFT FLEXURE. SITE PLAN LEGEND EXISTING RESIDENCE STRUCTURE EXISTING ADJACENT STRUCTURE -- AREA OF PROPOSED WORK --- PROPERTY LINE APPROXIMATE DIMENSION STABIL-LOC PILE 19 4X6 ADJ. POST BASE W/ PAD SITE PLAN 3of17 PROJECT NO. SHEET NO. S210602-1 PROJECT 24315 90th Ave W, Edmonds, WA LONGITUDE SUBJECT Foundation Stabilization/Jackin ONE TWENTYO ENGINEERING & DESIGN BY PAM DATE 07/02/21 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 continuous CMU stem wall and post and beam supports. - The pile shall be centered under the flue. - For the flue loading, a maximum allowable loading of 2,100 plf was utilized. It is assumed that the flue is tied into and laterally braced by the primary structure. The flue shall be carefully monitored during lifting for any indications of lateral instabilities. - 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: Flue Support Pile ............ 17 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 May 26, 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 4of17 GENERAL NOTES CONCENTRIC/DRIVEN PILES 1. "CONCENTRIC" OR DRIVEN PILES SHALL BE DESIGNED AND MANUFACTURED IN ACCORDANCE WITH THE 2018 INTERNATIONAL BUILDING CODE (IBC). 2. IT IS RECOGNIZED THAT THE SEATTLE BUILDING CODE (SBC) REQUIRES 8 INCH MINIMUM DIAMETER PIPE FOR PIPE PILE INSTALLATION. THE APPROPRIATE ANALYSIS/EVALUATION AND TESTING REQUIREMENTS IN ACCORDANCE WITH SEATTLE DEPARTMENT OF CONSTRUCTION & INSPECTIONS (SDCI) DIRECTOR'S RULE 10-2009 ARE PROVIDED TO ALLOW FOR USE OF PILES LESS THAN 8 INCHES IN DIAMETER AS REQUIRED BY SECTION 104.5 OF THE SBC. 3. DRIVEN PILES SHALL BE DESIGNED AND MANUFACTURED BY STABIL-LOC SYSTEMS, LLC, AND SHALL BE IN ACCORDANCE WITH ESR-4121. 4. ALL MATERIAL PROPERTIES OF DRIVEN PILE COMPONENTS SHALL COMPLY WITH ESR-4121. 5. 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). 6. ALL PILE COMPONENTS SHALL BE GALVANICALLY ISOLATED FROM CONCRETE REINFORCING STEEL, BUILDING STRUCTURAL STEEL, OR ANY OTHER METAL BUILDING COMPONENTS PER AC358 SECTION 3.9. 7. THE SHAFT SHALL BE DESIGNED AND FABRICATED TO SUPPORT THE SPECIFIED DESIGN LOADS. 8. ONLY MANUFACTURER -APPROVED CONNECTORS, ADAPTORS, AND ACCESSORIES MAY BE USED. 9. DRIVEN PILES SHALL BE INSTALLED VERTICALLY INTO THE GROUND WITH AN ALLOWABLE ANGLE OF INCLINATION OF 1 DEGREE FROM VERTICAL PER SECTION 5.7 OF ESR-4121. 10. DRIVEN PILES SHALL BE INSTALLED TO THE MINIMUM FORCE REQUIRED TO PROVIDE THE MINIMUM REQUIRED LOAD CAPACITIES INDICATED ON PLAN INCLUDING A FACTOR OF SAFETY NO LESS THAN TWO (2). THE MAXIMUM INSTALLATION FORCE SHALL NOT EXCEED THE ALLOWABLE CAPACITY OF ANY INDIVIDUAL COMPONENT OF THE ASSEMBLY. 11. ALL BRACKETS AND 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. THE PILE QUANTITY, LAYOUT, AND SPACING INDICATED ON PLAN SHALL NOT BE CHANGED WITHOUT WRITTEN APPROVAL FROM THE ENGINEER -OF -RECORD PRIOR TO INSTALLATION. 13. SPECIAL INSPECTION IN ACCORDANCE WITH IBC SECTION 1705.7 IS REQUIRED FOR INSTALLATION OF THE STABILLOC FOUNDATION PIERING SYSTEM. A GEOTECHNICAL SPECIAL INSPECTOR MUST VERIFY AND RECORD THE FOLLOWING: A. VERIFICATION OF MANUFACTURER PRODUCT MODEL NUMBERS B. TYPES, CONFIGURATIONS, AND IDENTIFICATIONS OF HYDRAULICALLY DRIVEN STEEL PIER SEGMENT AND ADJUSTABLE HEAD ASSEMBLY AS SPECIFIED IN ESR-4121 AND THE CONSTRUCTION DOCUMENTS. C. INSTALLATION PROCEDURES, ANTICIPATED AND ACTUAL PILING DEPTH D. TIP ELEVATIONS, THE INSTALLATION PRESSURE AND FINAL DEPTH OF THE DRIVEN FOUNDATION SYSTEM E. INCLINATION AND POSITION/LOCATION OF HYDRAULICALLY DRIVEN PIER SEGMENTS H. COMPLIANCE OF THE INSTALLATION WITH THE APPROVED CONSTRUCTION DOCUMENTS AND THIS EVALUATION REPORT. 14. 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. DRIVEN 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 SEATTLE BUILDING CODE (SBC). THE MAXIMUM TEST LOAD SHALL BE TWO -HUNDRED (200) PERCENT OF THE SPECIFIED DESIGN LOAD. 5of17 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. 6of17 LONGITUDE ONE TWENTY° ENGINEERING & DESIGN PROJECT NO. SHEET NO. S210602-1 PROJECT 24315 90th Ave W, Edmonds, WA SUBJECT Stabil-Loc Concentric Pile Installation Chart BY PAM DATE 07/02/21 Stabil-Loc 2-7/8"0 i.) Power Team C25C Hydraulic Cylinder effective cylinder area has from manufacturer cut sheets ii.) Piles shall reach a pressure that correlates with an allowable capacity that meets or exceeds the maximum allowable load demand as listed in the structural package, but shall not exceed the maximum allowable capacity for any part of the pile assembly. III.) Referto ESR-4121 and Stobil-Loc, Inc. documents for additional information and requirements. iv.) 1 kip =1,000 Ibs Concentric Pier -Soil Capacity per by Installation Pressure Power TeamC25C Hydraulic Cylinder Pressure,p (psi) Cylinder Effective Area, A (in1) Ultimate Axial Compressive Capacity, P„ =p'A (kips) Allowable Axial Compressive Capacity, Pa=0.5;P, (kips) 1,000 5.15 5.2 2.6 1,500 5.15 7.7 3.9 2,000 5.15 10.3 5.2 2,500 5.15 12.9 6.4 3,000 5.15 15.5 7.7 3,500 5.15 13.0 9.0 4,000 5.15 20.6 10.3 4,500 5.15 23.2 11.6 5,000 5.15 25.3 12.9 5,500 5.15 23.3 14.2 6,000 5.15 30.9 15.5 6,500 5.15 33.5 16.7 7,000 5.15 36.1 13.0 7,500 5.15 33.6 19.3 3,000 5.15 41.2 20.6 3,500 5.15 43.3 21.9 9,000 5.15 46.4 23.2 9,500 5.15 43.9 24.5 L120 ENGINEERING &DESIGN 7of17 DocuSign Envelope ID: 7FB633E4-0526-4669-97FB-9CE31B94F916 Wednesday, May 26, 2021 CO P F OF WORK FOUNDATION Crew will install 1 stabil-loc pile to maximum structural recovery. Crew will also install 4 new 4x6 posts and pads. 50% down & 50% due upon job completion. Piles bid to 25ft depth, $20 per foot beyond that depth. Crawlspace height 2 feet. Has Dingo access and parking is not a problem. Whomever represents home will need to be onsite upon crew arrival and and upon completion of work. Homeonwer only wants to address middle area at this time. L120 is in concurrence with pile layout recommended by R&R provided that the proposed layout is followed as marked and that the pile be centered under the flue. 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 the pile is centered under the flue. ELAVATION MAr ':::::' Mmmmmmmmmm rooms::::: EMEN =0 �::::::: ::: ::::::::: 1M■M■■MMmNONE 11/2 .. .. .. .. ■■■■■■■............MEMO m- 0MENEM MMMMMMMMmMMMMM I. ............■■. ..... .............. I. .....■m.....■■. ..... .............. IN IN ■■■E■N:ioo■■■ M■■■■ M■M■■■■■■■■■■■ ■■■■■■mono■ NONE ■■■M■■■■■■■■■■ IN ■M■mm■■■■■■ loom ■■■■■mm■■■E■m■ IN ■M■■■■■■■■■ ■■■■m■■■C■■ ■■■ ■■■■■■■■■■■■■■ I■ .■ NINE ■■NE■■■■■ES■NE ■■■■■■■■Eli■■ ■■■■■ M■■■■■■■■■■■■■■ 1M■■■■■■■■■■11■■■ ...................■■■■ l■■■■■■■■■■■■■■■ ....................... MENEM ■■■MENEM No ON • .• • ...■■■■■ ■■l ■ ■■■■■■ ■■■■■ ■■■■M ■■■■■■■ ■■■E■ ■NONE■■■ MEMO ■o■■■■■■■ ■■■■■■ ■■lmmom MENEM MENOMO■■E■■ _ 1■■■■■M■■■■ NONE 1■■■■■■MM■■ NONE MENOM■■■■ SEEM looms 1■■■■■■Mm ■■■■■■AO■■■■■■■■■■■■■oS■ .... MENEM m■■■■■m■■ EE■■■■■■■■■■■■■■■■■■■■E■ ■■■■E 1■■■■■■■E■■ ■■■■■■E■■■■■■■■■■■■■■ ■■■ 1M■■■■M■EMo SS■■■SOS■SM■MM■■E 1■■■■M■■M 1M■■■M■■IM .. :: ; ME ■■ MONSOON ■■■■■■■■ MENOMO■■■ MENEM mmo M■■ MENEM ONE m■■ ■■■MO■MM■M■■ME■■ME■M■ - •: � I■■m■■■■m■■■ - • ■M■M■M■■■ - .... ■■■ MENEM ■MEMO ■■■■ ONE MENEM MEMO ismomm■■■■■ ■■ ■■ ■■ ■■ ■■ ■■ ■■ ■■■■■ 1M■■■■■■■■■ ■E■■ MENEM ME■■■■■■■■■ ■■■■ ■■■■■ 1M■■■■■■■■■ r,4 MM■■■■■M■■M■■■ i■■■■■mmmm■ ■■■mo■om■■■■mm m■■■■■■■■■■ ■■■S■■■■■ ■■■■■■■■■■■■■■ 1■■■■M■■■M■ ■■■■■■■■■ ■■■■■■E■■■■■■N i■■■■m■■m■■ ■■■■� ■■■■ ■■ ■■■■■■EN■■O■■■ 1Nm■■■■■■■■ ■■■■ ■ ■■■■■om■■■■■■m 1■■■■M■■■■M OMEN ■■■■■M■■■■m■■m 1M■■■■M■■■■ M■■■■■ ■■■NEE■■■■■■■■■■E■MMEMO 1■■■■■■■■■■ ■■■■■■■■■ ■■■■■■■■■■■■■■■■■■■■■■■ i■■■■m■■■■■ ■■■■■■■■■■■ ■■■■■■N■moomo■■■■■■■■■■■ ■MMMMMMMMMMmI loommommommom� moommom■ 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 8of17 DocuSign Envelope ID: 7FB633E4-0526-4669-97FB-9CE31B94F916 Wednesday, May 26, 2021 juLi HHOTOS Interior flu pipe, location of stabil-loc pile ' ;j FOUNDATIONJ SPECIALIST Location of new 4x6 posts and 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 LONGITUDE ONE TWENTYO ENGINEERING & DESIGN 9of17 PROJECT NO. NO. S210602-1 XR SSK-001 PROJECT 24315 90th Ave W, Edmonds, WA SUBJECT Installation Detail - Stabil-Loc Concentric Pile BY PAM (E) PILASTER '=IIIIIIIIIII IIIIIIIIII IIIIIIIIII (IIII d d '=IIII-IIII=IIII=IIII=IIII ° III=IIII=IIII= � ' d •. -IIII=IIII=IIII a a IIII=IIII= . 11=IIII=11 _ . =IIII=III —IIII=IIII (E) CONIC FOOTING II—IIII-IIII- IIIIII-IIII FIELD VERIFY I I 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. GALVANIZATION PER ASTM 153/A123 IS RECOMMENDED. DATE 07/02/21 T/GONG FTG = -IIII FIELD VERIFY • 1=IIII=IIII= . IIII=IIII=IIII d 1=IIII=IIII= WEDGE ANCHORS IIII-IIII=IIII PER STABIL-LOC IIII=IIII=1' REQUIREMENTS IIII=IIII=IIII=111' - 1=IIII=IIII=""- II IIII= "' STABIL-LOC CONCENTRIC PIER ASSEMBLY PER R&R FOUNDATION SPECIALIST TO CONFORM TO ESR-4121 L120 ENGINEERING & DESIGN 10of17 ESR-4121 I Most Widely Accepted and Trusted PLATE ROUND 4=375 IM CUT -0 ETT E ICTALL AFTER QIF ETEO PER NS'MUTIOA Te I�aYw 0 HEDGE EDfL IE IT CUT I, HER k OUTS HSS AT 17' FinISC O4 R� EOO T141CAL OUTER PER SEAM RDIIID Im 7d79A.217 ASI4 A5OD-13 AS:f WHIM NIER GR. B k OUTER PER SEG4E4'S STARTER F Ayagv I emRM OR ORIER I 9UTTAfli SWA T" P31 R 2 ASI4 PIER ASSEMBLY STABL-LOC SYS1El15, 11C ELATE 8-12-18 FIGURE 1—STABIL-LOC FOUNDATION PIERING SYSTEM OUTUNC ' 1 BEARING tt PLAN V1EW rVOxhx18 B_IWEEN PLATE / BRG E & FOOTING BEARING PLATL HSS2.375x0.188 CUT TO FIT & INSTALL AFTER COMPLETED PIER INSTALLATION 7A 0 H01 FS .w,---FOOTING 2—WO x 3.5' AKIN. FSR 1 E6 WEDLN I ESR 1396 MIEDGF ANCHORS BLOCK PLA IL ASSEMBLED INNER & OUTER PIER SEGMENTS HEAD ASSEMBLY STABIL-LOC VFW. LLC FIGURE 2—STABIL-LOC"FOUNDATION PIERING SYSTEM ADJUSTABLE HEAD ASSEMBLY LONGITUDE ONE TWENTYO ENGINEERING & DESIGN 11 of 17 PROJECT NO. NO. S210602-1 XR PROJECT 24315 90th Ave W, Edmonds, WA SUBJECT Foundation Stabilization/Jacking BY PAM DATE 07/02/21 O O N 2'_0" 2'-0" Perspective Support below (E) Chimney Flue #1 Elevation - Unit weight of CMU lower level = 104psf (assume 10" normal weight solid grouted) - Est. length of chimney perimeter = 8'-0" (conservative) - Est. height of brick veneer = 20'-0" - Est. max height of chimney = 20'-0" Total weight = 104psf (8'x20') = 17k L120 ENGINEERING & DESIGN 12 of 17 Appendix Parcel Details & Photographs 13 of 17 SnohomishOnline Government Information & Services County 4* Washinqton Property Account Summary 7/1/2021 Parcel Number 100579600000600 jProperty Address 24315 90TH AVE W , EDMONDS, WA 98026-9012 General Information Property Description SNO KING HOMES BLK 000 D-00 - LOT 6 Property Category Land and Improvements Status Active, Locally Assessed Tax Code Area 00227 Property Characteristics Use Code I I I Single Family Residence - Detached Unit of Measure Acre(s) Size (aross) 0.20 Related Properties No Related Properties Found Parties Role Percent Name Address Taxpayer 100 SPEROFF MICHAEL/ YULIYA 24315 90TH AVE W, EDMONDS, WA OLEGOVNA 98026 Owner 100 SPEROFF MICHAEL & 24315 90TH AVE W, EDMONDS, WA YULIYA OLEGOVNA 98026-9012 United States Property Values Value Type Tax Year Tax Year 2021 2020 Tax Year 2019 Tax Year 2018 Tax Year 2017 Taxable Value Regular $485,900 $461,900 $432,600 $375,300 $334,600 Exemption Amount Regular Market Total $485,900 $461,900 $432,600 $375,300 $334,600 Assessed Value $485,900 $461,900 $432,600 $375,300 $334,600 Market Land $351,000 $334,000 $306,700 $261,600 $229,100 Market Improvement $134,900 $127,900 $125,900 $113,700 $105,500 Personal Property Active Exemptions No Exemptions Found Events Effective Entry Date- Type Remarks Date Time 08/31/2020 08/31/2020 Excise Temporary Excise: T121099 Finalized to: E145220 08:01:35 Processed 08/26/202012/18/2020 Recording No. Property Transfer Filing No.: E145220, Statutory Warranty Deed, new Recording No.: 11:57:00 Changed 202008317005 08/26/2020 by SASLMS 08/26/202012/18/2020 Owner Property Transfer Filing No.: E145220 08/26/2020 by SASLMS 11:57:00 Terminated 08/26/202012/18/2020 Owner Added Property Transfer Filing No.: E145220 08/26/2020 by SASLMS 14of17 11:57:00 08/26/2020 08/31/2020 08:01:00 Excise Processed Property Transfer Filing No.: T121099, submitted by eREET 08/26/2020 by ASCEREET 07/19/2012 07/19/2012 Taxpayer Party/Property Relationship by strbrl 10:17:00 Changed 05/14/2012 05/14/2012 13:28:00 Tax Bill Recalculation Senior Exemption Denied for 2012 performed by strpmw 05/11/2012 07/10/2012 07:36:00 Owner Terminated Property Transfer Filing No.: 1002830 05/11/2012 by sasset 05/11/2012 07/10/2012 07:36:00 Owner Added Property Transfer Filing No.: 1002830 05/11/2012 by sasset 05/11/2012 07/03/2012 11:37:00 Taxpayer Changed Property Transfer Filing No.: 1002830 05/11/2012 by strtjg 05/11/2012 07/03/2012 11:37:00 Excise Processed Property Transfer Filing No.: 1002830, Statutory Warranty Deed 05/11/2012 by strtjg 05/08/2012 06/05/2012 08:23:00 Owner Terminated Property Transfer Filing No.: E012088 05/08/2012 by sasdas 05/08/2012 06/05/2012 08:23:00 Owner Added Property Transfer Filing No.: E012088 05/08/2012 by sasdas 05/08/2012 05/10/2012 12:52:00 Excise Processed Property Transfer Filing No.: E012088, submitted by eREET 05/08/2012 by ASCEREET 03/24/2011 03/24/2011 13:13:00 Tax Bill Recalculation Senior Exemption Granted for 2011 performed by strpmw 03/11/2010 03/11/2010 Taxpayer Party/Property Relationship by strpcs 13:44:00 Changed Tax Balance Installments Payable Tax Year linstallment Due Date I Principall Interest, Penalties and Costsl Total Duel Cumulative Due 2021 12 10/31/2021 1 $1,997.981 $0.001 $1,997.981 $1,997.98 Distribution of Current Taxes I District Rate Amount Voted Amount Non -Voted Amount CENTRAL PUGET SOUND REGIONAL TRANSIT AUT 0.20 $95.77 $0.00 $95.77 CITY OF EDMONDS 1.26 $614.03 $173.69 $440.34 EDMONDS SCHOOL DISTRICT NO 15 2.80 $1,359.95 $1,359.95 $0.00 PUB HOSP #2 0.06 $30.01 $0.00 $30.01 SNO-ISLE INTERCOUNTY RURAL LIBRARY 0.42 $206.23 $0.00 $206.23 SNOHOMISH COUNTY-CNT 0.64 $309.12 $0.00 $309.12 STATE 2.83 $1,372.83 $0.00 $1,372.83 SNOHOMISH CONSERVATION DISTRICT $8.02 $0.00 $8.02 TOTAL 8.21 $3,995.96 $1,533.641 $2,462.32 Pending Property Values I Pending Tax Year Market Land Value Market Improvement Value Market Total Value Current Use Land Value Current Use Improvement Current Use Total Value 2022 $425,300.001 $131,100.001 $556,400.001 $0.001 $0.00 $0.00 Levy Rate History Tax Year Total Levy Rate 2020 9.276512 2019 9.204494 2018 10.655914 Real Property Structures Description 1 Story Type Year Built Imore Information Dwelling 11942 lView Detailed Structure Information Receipts 15 of 17 16 of 17 it RiX wa Ok Joe s.f. r 1 sft � C it 1290 s.f. U* r t r 11' Rfx r Conc N s-t Dot Gar 676sf A is Existing building plan provided by Snohomish County records for Parcel #. 00579600000600 for address: 24315 90th Ave W, Edmonds, WA 98206 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. -L 120 17 of 17 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