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REVIEWED BLD2022-0069+Structural_Calculations+1.20.2022_1.13.30_PM+2632184MITCHELL ENGINEERING INC. 782 Reddmoond, nd, WA N.E. A N.E. (425)747-1500 mitchellengineeringinc@comcast.net RECEIVED Jan 21 2022 DEVELOPMENT DE ART ENRVICES77 /�i°/ram 4 4/ � 1-1)Wlt Z4 4a >112 a I-lse00 --a 7,3 2c0'45` z � 5A >// 7i REVIEWED m CITY OF EDMONDS PREPARED BY � PROJECT �% �AO SHEET NO. ,d-, O 2- F DATE SUBJECT�'� L JOB NO. d�/- MITCHELL ENGINEERING INC. L,rA -0, L MIA kQ� i77-,VT -q //v /4w 92�Wlsr2A2� m X �y'4 17 53�/- we q -� 4771 l-14 � r4 ® 1 Toyer 44a 7 r 7k1 - 168th Ave. N.E. Redmond, WA 98052 (425)747-1500 mitchellengineeringinc@comcast. net PREPARED BY J L�jj� PROJECT L'/ 2, wyn SHEET NO. Al2OF DATE �,� d . F� SUBJECT JOB NO. ��'�" 21''40 MITCHELL ENGINEERING INC. PREPARED BY / / +r/"'I PROJECT DATE 0 G 1 SUBJECT 7821 - 168th Ave. N.E. Redmond, WA 98052 (425)747-1500 mitchellengineeringinc@comcast.net SHEET NO. OF JOB NO. SHEAR WALL SCHEDULE tP2-21 il ze Nail Spacing ALLOWABLE SHEAR Ilem-Fir 42 #/Ft Ed es Studs Top/Btm. Plate Bloclung Re 'd. d 6" 12" 6" Yes 210 d 4" 12" 4" Yes 310 d 3" 12" 3" Yes 400 d 2- 12" 2" Yes 525 8 3" 12" 3" Yes 800 1 2" 1 12" 2" Yes 1050 Shear Wall Notes: 1. P 1 - 7/16 A.P.A. rated Plywood or Orientated Strand Board (O.S.B.) on one side of wall. P2 - 7/16 A.P.A. rated Plywood or Orientated Strand Board (O.S.B.) on each side of wall. 2. For P1-3, P1-2, P2-3, & P2-2 shear walls use 3x studs at adjoining panel edges. Nailing shall be staggered. 3. Nails shall be 8d common. (d = .131 inch) 4. Where plywood is installed on both sides of wall plywood joints shall fall on separate studs each side. 5. All panel edges backed with 24nch nominal framing for P1-6 & P1-4 shear wall. All panels edges backed with 3x framing at P1-3, P1-2, P2-3, & P2-2 shear walls. Install panels either horizontally or vertically. Space nails @ 12 inches on center @ intermediate supports. 6. All anchor bolts shall be installed with hot dipped galvanized plate washers. 7. Refer to foundation plan for anchor bolt size, spacing and mudsill/rim connections. STRUCTURAL NOTES CODE: DESIGN IS IN ACCORDANCE WITH THE 2018 INTERNATIONAL BUILDING CODE (I.B.C.) AS AMENDED BY THE LOCAL BUILDING DEPARTMENT. LIVE LOADS: ROOF ------------------- 25 P S F FLOOR ----------------- 40P S F LATERAL WIND ------------------ EXPOSURE B, 85MPH/110MPH(ULT)/ WIND PER ASCE 7-18, SECTION 28.5.3 SEISMIC -------------- SITE CLASS D. SEISMIC PER ASCE 7-18, SIMPLIFIED LATERAL FORCE SYSTEM, SECTION 12.14.8.1 FOUNDATIONS: EXTEND FOOTINGS TO FIRM UNDISTURBED SOIL, ASSUMED BEARING CAPACITY OF 1500PSF. ALL EXTERIOR FOOTINGS SHALL EXTEND A MINIMUM OF V-6" BELOW ADJACENT EXTERIOR GRADE. CAST -IN -PLACE CONCRETE: F'c=3000 PSI @ 28 DAYS. MINIMUM 5-1/2 SACKS OF CEMENT PER CUBIC YARD OF CONCRETE AND MAXIMUM OF 6-3/4 GALLONS OF WATER PER 94# SACK OF CEMENT. NO SPECIAL INSPECTION REQUIRED. CONCRETE SHALL COMPLY WITH ACI 318-14 SECTION 26.4.2.1. MAXIMUM SLUMP IS 4 INCHES. ALL PHASES OF WORK PERTAINING TO THE CONCRETE CONSTRUCTION SHALL CONFORM TO BUILDING CODE REQUIREMENTS FOR REINFORCED CONCRETE. ALL REINFORCING STEEL, DOWELS, ANCHOR BOLTS, AND OTHER INSERTS SHALL BE SECURED IN POSITION PRIOR TO POURING CONCRETE. ANCHOR BOLTS FOR PRESSURE TREATED SILL PLATES TO FOUNDATION WALLS TO BE 5/8 INCH DIAMETER WITH 7 INCH MINIMUM EMBEDMENT INTO CONCRETE AND MAXIMUM SPACING OF 2 FEET ON CENTER. MINIMUM 2 BOLTS PER SILL PLATE PIECE. ONE BOLT TO BE PLACED WITHIN 6 INCHES OF EACH END OF THE SILL PLATE. DIPPED GALVANIZED CONNECTORS SHALL CONFORM TO ASTM STANDARD 153 AND HOT DIPPED GALVANIZED CONNECTORS SHALL CONFORM TO ASTM A653M CLASS G-185. STAINLESS STEEL FASTENERS AND CONNECTORS SHALL BE TYPE 304 OR 316. SIMPSON PRODUCT FINISHES CORRESPONDING TO THESE REQUIREMENTS ARE ZMAX (HOT DIPPED GALVANIZED) AND SST 300 (STAINLESS STEEL). FASTNERS FOR PRESSURE TREATED AND FIRE -RETARDANT TREATED WOOD SHALL BE ZMAX HOT DIPPED GALVANIZED (G185). REINFORCING STEEL: ALL REINFORCING STEEL SHALL BE PLACED IN CONFORMANCE WITH THE BUILDING CODE REQUIREMENTS FOR REINFORCED CONCRETE AND THE MANUAL OF STANDARD PRACTICE FOR REINFORCED CONCRETE CONSTRUCTION BY CRSI, DEFORMED REINFORCING STEEL BARS SHALL CONFORM TO ASTM A- m 615 GRADE 40 FOR #5 AND SMALLER REINFORCEMENT AND GRADE 60 FOR #6 AND LARGER. ALL REINFORCING BAR BENDS SHALL BE MADE COLD WITH A MINIMUM RADIUS OF 6 BAR DIAMETERS (1'-7" MINIMUM). CORNER BARS (2'-0" BEND) SHALL BE PROVIDED FOR ALL HORIZONTAL REINFORCEMENT. LAP ALL BARS A MINIMUM OF 48 BAR DIAMETERS UNLESS NOTED OTHERWISE. UNLESS NOTE OTHERWISE ON THE DRAWINGS REINFORCING STEEL SHALL HAVE THE FOLLOWING MINIMUM COVER: CONCRETE CAST AGAINST EARTH 3 INCHES CONCRETE EXPOSED TO EARTH OR WEATHER: #6 THROUGH #18 BARS 2 INCHES #5 BAR AND SMALLER 1-1/2 INCHES STRUCTURAL TIMBER: ALL LUMBER SHALL CONFORM TO WWPA GRADING RULES FOR WESTERN LUMBER, LATEST EDITION. PROVIDE CUT WASHERS UNDER ALL NUTS AND BOLTS BEARING AGAINST WOOD. ALL WOOD IN CONTACT WITH CONCRETE SHALL BE PRESSURE TREATED IN ACCORDANCE WITH AWPA Ul AND M4 STANDARDS. ALL STRUCTURAL LUMBER SHALL BE AS NOTED BELOW: 2X FLOOR JOIST HEM-FIR#2------------------ Fb=850 PSI 2X ROOF RAFTERS HEM-FIR#2------------------ Fb=850 PSI 4X BEAMS DOUG-FIR/LARCH #2---- Fb-850PSI 6X BEAMS DOUG-FIR/LARCH #2---- Fb=850PSI LUMBER NOT NOTED HEM -FIR #2------------------ Fb=850 PSI MISCELLANEOUS HANGERS TO BE SIMPSON OR APPROVED EQUAL. ALL HANGERS SHALL BE FASTENED TO WOOD WITH PROPER NAILS. ALL HOLES SHALL BE NAILED. MACHINE BOLTS TO BE A-307. ANCHOR BOLTS INTO CONCRETE SHALL BE 5/8 INCH DIAMETER WITH 7 INCHES OF EMBEDMENT INTO CONCRETE UNLESS NOTED OTHERWISE ON THE PLANS. ALL NAILS SHALL BE COMMON WIRE NAILS. NAILING SHALL BE IN ACCORDANCE WITH THE CURRENT I.B.C. SCHEDULE. FLOOR SHEATHING: SHEATHING SHALL BE'/a INCH TONGUE AND GROOVE A.P.A. RATED SHEATHING. SPAN RATING 48/24 WITH LONG DIMENSION PERPENDICULAR TO SUPPORTS. UNLESS NOTED OTHERWISE NAIL WITH 8d COMMON NAILS AT 6 INCHES ON CENTER AT SUPPORTED PANEL EDGES AND 10 INCHES ON CENTER AT INTERMEDIATE SUPPORTS. THE FLOOR SHEATHING SHALL BE GLUED TO THE JOIST AND THE TONGUE AND GROOVE JOINTS WITH AN APPROVED ADHESIVE. WALL SHEATHING: SHEATHING SHALL BE 7/16 INCH A.P.A. RATED SHEATHING, SPAN RATING 24/0. PANEL END JOINTS SHALL OCCUR AT SUPPORTS. NAIL PANEL EDGES WITH 10d 0 NAILS AT 6 INCHES ON CENTER AND 10 INCHES ON CENTER AT INTERMEDIATE SUPPORTS UNLESS NOTED OTHERWISE ON THE DRAWINGS. GLU-LAMINATED TIMBER: LAMINATED TIMBER SHALL BE DOUGLAS-FIR/LARCH KILM DRYED. STRESS GRADE COMBINATION OF 24F-V4 FOR SIMPLE SPANS AND 24F-V8 FOR CANTILEVER AND CONTINUOUS BEAMS. ROOF SHEATHING: SHEATHING SHALL BE 7/16 INCH A.P.A. RATED SHEATHING. SPAN RATING 32/16, INSTALLED WITH LONG DIMENSION ACROSS SUPPORT. PANEL END JOINTS SHALL OCCUR AT SUPPORTS. NAIL PANEL EDGES WITH 8d NAILS SPACED AT 4 INCHES ON CENTER AND 10 INCHES ON CENTER AT INTERMEDIATE SUPPORTS. FLOOR FRAMING: PROVIDE FULL DEPTH BLOCKING FOR JOIST AT THE SUPPORTS. FLUSH BEAMS (FB) AND HEADERS NOT CALLED OUT ON THE PLANS SHALL BE (2)2X8. ALL VERTICALLY LAMINATED COLUMNS AND HEADERS SHALL BE SPIKED TOGETHER WITH 12d NAILS SPACED AT 12 INCHES ON CENTER. BEARING WALL FRAMING: ALL DOOR AND WINDOW HEADERS NOT CALLED OUT ON THE PLANS SHALL BE (2) 2X8 HEM-FIR#2 WITH ONE CRIPPLE AND ONE STUD AT EACH END FOR OPENINGS 4 FEET WIDE OR LESS. ALL COLUMNS NOT CALLED OUT ON THE PLANS SHALL BE (2) STUDS SPIKED TOGETHER WITH 12d NAILS AT 12 INCHES ON CENTER. PROVIDE 2 LAYERS OF BUILDING PAPER BETWEEN WOOD AND CONCRETE. WALLS SHALL HAVE A SINGLE BOTTOM PLATE AND DOUBLE TOP PLATE. END NAIL TOP PLATES AND BOTTOM PLATES TO EACH STUD WITH 2-16d NAILS. FACE NAIL DOUBLE TOP PLATE WITH I Od NAILS AT 10 INCHES ON CENTER. LAP AND FACE NAIL PLATES WITH 2-1 Od NAILS AT EACH SPLICE, CORNER INTERSECTION. STAGGER SPLICES A MINIMUM OF 48 INCHES. ROOF TRUSSES: TRUSSES SHALL BE PLANT FABRICATED DOUGLAS-FIR/LARCH OR HEM -FIR. TRUSS MANUFACTURER SHALL SUBMIT SHOP DRAWING AND CALCULATIONS STAMPED, SIGNED AND DATED BY A WASHINGTON STATE LICENSED STRUCTURAL ENGINEER. SUBMIT TRUSS DRAWING TO THE ENGINEER OF RECORD AND BUILDING DEPARTMENT FOR REVIEW AND APPROVAL PRIOR TO FABRICATION. ROOF TRUSSES SHALL BE DESIGNED AS ATTIC TRUSSES WITHOUT STORAGE. MANUFACTURERS INSTALLATION INSTRUCTIONS SHALL BE AVAILABLE ON THE JOB SITE AT THE TIME OF INSPECTION, FOR THE INSPECTORS USE AND REFERENCE. a. THE TRUSS LIVE LOADING SHALL BE PER IRC SECTION 301.5 AND TABLE 301.5, ESPICALLY NOTING FOOTNOTE B & G. z b. THE TRUSS DESIGN SHALL BE PER IRC SECTIONS 502.11.1 AND 802.10.2 ESPECIALLY INDICATING THE TRUSS DESIGN AND MANUFACTURING SHALL BE PER ANSI/TPII. c. THE TRUSS TEMPORARY AND PERMANENT BRACING SHALL BE IRC SECTIONS 502.11.2 AND 802.10.3 AS WELL AS THE TRUSS PLATE INSTITUTES'S BUILDING COMPONENT SAFETY INFORMATION. d. TRUSS ALTERATIONS SHALL NOT OCCUR UNLESS THE APPROVAL OF A DESIGN PROFESSIONAL AS INDICATED IN IRC SECTIONS 502.11.3 AND 802.10.4. 0 �4A a 44 J AAA9. WAS /4 AAj `Coda " 7®l -d,,f/z Z W -Z Va _ sto n 4¢� od441 JJ�d oM) Klr2o) 50V13,' 05 & Avv �( v ,r 2 .67 �d �4 514444 6 aAl MITCHELL ENGINEERING INC. 0 MITCHELL ENGINEERING INC. /�x 79 671vr 414 4 Co�r%� 6v6 44dw) &Ir` fa,00 & G® [4-,r 061 W/ /-- ao -) . 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