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PB STRUCTURES Foundation Design Job No.18050 <br /> PETER M BLAKELY,SE 3020 Gedney street 06.19.18 <br /> WA LICENSE 46754 Everett,WA 98201 <br /> Page: -----__,4// <br /> STRUCTURAL CALCULATIONS <br /> ROOF LOADS FLOOR LOADS WALL LOADS <br /> 3.0 ROOFING 2.5 FLOORING 2.0 SIDING <br /> 2.1 SHEATHING 3.0 SHEATHING 2.1 SHEATHING <br /> 1.0 MEP 0.5 MEP 2.0 INSULATION <br /> 1.0 INSULATION 0.7 MISC 0.4 MISC <br /> 1.1 MISC 2.3 CEILING 2.8 GYP BOARD <br /> 2.8 CEILING 1.0 JOISTS 1.7 STUDS <br /> 2.0 RAFTERS 10.0 PSF TO JOISTS 11.0 PSF <br /> 13.0 PSF TO RAFTERS 2.0 BEAMS AND GIRDERS <br /> 2.0 BEAMS AND GIRDERS 12.0 PSF TO GIRDERS <br /> 15.0 PSF TO GIRDERS 40.0 PSF TYPICAL LIVE LOAD <br /> 20.0 PSF LIVE LOAD 60.0 PSF LIVE LOAD ON DECKS <br /> 25.0 PSF ROOF SNOW LOAD <br /> 25.0 PSF GROUND SNOW LOAD <br /> WIND LOADS-PER ASCE7-10,CHAPTER 28-PART 2 <br /> ENCLOSED SIMPLE DIAPHRAGM BUILDINGS <br /> REF <br /> BASIC WIND SPEED 110 MPH 26.5 <br /> EXPOSURE CATEGOF B 26.7 0.1*LHD 0.4H 3FT MIN <br /> TOP. FACTOR Kzt 1 a = 0 8.8 3 <br /> ENCL.CLASSIF. ENCLOSED 26.10 THEREFORE a= 3 FT <br /> RISK CATEGORY 1 II 1.5.2 2a= 6 FT <br /> ROOF ANGLE 22.6 6:12 <br /> MEAN ROOF HEIGH1 22 FEET VERTICAL PRESSURES <br /> A= 1 E F G H <br /> ps=A* Kzt* ps30 ps30 -23.1 -16.0 -16.0 -12.2 <br /> = 1 * ps30 (exp fac.) ps -23.1 -16.0 -16.0 -12.2 <br /> ASD FACTOR= 0.6 ps asd -13.9 -9.6 -9.6 -7.3 <br /> HORIZONTAL PRESSURES OVERHANGS <br /> A(Wall C) B(RF C) C(Wall F) D(RF F) Ech Goh <br /> ps30 26.6 -7.0 17.7 -3.9 ps30 -32.3 -25.3 <br /> ps 26.6 -7.0 17.7 -3.9 ps -32.3 -25.3 <br /> ps asd 16.0 -4.2 10.6 -2.3 ps asd -19.4 -15.2 <br /> Use 12 PSF Min <br /> PO BOX 354,MAPLE VALLEY,WA 98038 <br /> 18050 3020 Gedney Structural Calcs Pages 2-5 425.691.0443/pete.pbstructures@gmail.com <br />