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STRUCTURAL NOTES
<br />CODES AND SPECIFICATIONS
<br />1. INTERNATIONAL BUILDING CODE, 2018 EDITION, ASCE 7-16
<br />2. INTERNATIONAL RESIDENTIAL CODE, 2018 EDITION
<br />3. SIMPSON STRONG TIE WOOD CONTRUCTION CONNECTORS 2021-2023
<br />4. FASTENERS IN CONTACT WITH PRESSURE TREATED WOOD MUST BE STAINLESS STEEL, ZMAX(G185HDG PER ASTM A653),
<br />BATCH/POST HOT -DIP GALVANIZED (PER ASTM 8695, CLASS 55 OR GREATER). UNCOATED AND PAINTED PRODUCTS SHOULD
<br />NOT BE USED WITH TREATED WOOD. WHEN USING STAINLESS STEEL HOT -DIP GALVANIZED CONNECTORS, THE
<br />CONNECTORS AND FASTENERS SHOULD BE MADE OF THE SAME MATERIAL.
<br />DESIGN CRITERIA
<br />1, WIND LOAD: INTERNATIONAL BUILDING CODE, 2018, ASCE 7-16, ALTERNATE ALL -HEIGHTS METHOD, ULTIMATE DESIGN WIND
<br />SPEED = 110 MPH, NOMINAL DESIGN WEND SPEED = 85 MPH, EXPOSURE B
<br />SEISMIC: INTERNATIONAL BUILDING CODE, 2018, ASCE 7-16
<br />RISK CATEGORY II
<br />SEISMIC IMPORTANCE FACTOR, Ie=1.0
<br />MAPPED SPECTRAL RESPONSE ACCELERATION PARAMETERS, Ss=1.5, S1=0.5
<br />SITE CLASS D
<br />DESIGN SPECTRAL RESPONSE ACCELERATION PARAMETERS, Sds=1.09, Sd1=0.59
<br />SEISMIC DESIGN CATEGORY D2
<br />BASIC SEISMIC FORCE -RESISTING SYSTEM: LIGHT FRAME WALLS WITH WOOD SHEAR WALLS
<br />DESIGN BASE SHEAR, V : F (Sds) (W) / R = 0.1846 (%M
<br />RESPONSE MODIFICATION COEFFICIENT, R=6.5
<br />ANALYSIS PROCEDURE USED: SIMPLIFIED ALTERNATIVE STRUCTURAL DESIGN FOR SIMPLE BEARING WALL SYSTEMS
<br />3. ROOF LOAD: DL = 15 PSF LL = 25 PSF (ROOF SNOW LOAD)
<br />4. FLOOR LOAD: DL = 10 PSF LL =40 PSF
<br />5, DECK LOAD: DL = 10 PSF LL = 40 PSF
<br />6. SOILS: ASSUMED 1500 PSF ALLOWABLE SOIL BEARING
<br />ASSUMED 30 PCF ACTIVE SOIL PRESSURE, 300 PCF PASSIVE PRESSURE, 0.35 COEFFICIENT OF FRICTION
<br />ALL FOOTINGS AND SLABS SHALL BEAR ON UNDISTURBED SOIL OR FILL COMPACTED TO 95% MODIFIED
<br />PROCTOR.
<br />7. CONCRETE: 3000 PSI @ 28 DAYS (2500 PSI USED FOR DESIGN)
<br />GRADE 40 REINFORCEMENT
<br />MINIMUM 3" COVER FOR ALL REINFORCEMENT EXCEPT AS NOTED AT RETAINING WALLS OR OTHER
<br />DETAILS
<br />TIMBER CONSTRUCTION NOTES
<br />1. LUMBER GRADES AND ALLOWABLE STRESSES SHALL BE AS FOLLOWS UNLESS NOTED OTHERWISE ON PLAN:
<br />ALL SAWN LUMBER HF#2 OR BETTER,
<br />Fb = 875 PSI, Fv = 75 PSI, E = 1,300,000
<br />GLULAM BEAMS 24F-V4, Fb = 2400 PSI, Fv = 165 PSI, E = 1,800,000
<br />MICROLAM, LVL Fb = 2600 PSI, Fv = 285 PSI, E=1,900,000
<br />PARALLAMS, PSL Fb = 2600 PSI, Fv = 290 PSI, E = 2,000,000
<br />2. WHEN TOP PLATE IS INTERRUPTED BY HEADER, HEADER SHALL HAVE STRAP CONNECTORS TO THE TOP PLATE EACH END,
<br />USE 2-SIMPSON MSTA24 CONNECTORS, UNLESS NOTED OTHERWISE.
<br />3. ALL SHEAR WALL SHEATHING NAILS AND ANCHORS SHALL BE AS DETAILED ON THE DRAWINGS AND AS NOTED IN THE
<br />SHEAR WALL SCHEDULE,
<br />4. FLOOR SHEATHING SHALL BE %" MINIMUM APA RATED FLOOR SHEATHING WITH 10d COMMON @ 6" OC AT ALL SUPPORTED
<br />PANEL EDGES AND 10d @ 12" OC AT INTERMEDIATE SUPPORTS.
<br />5. ROOF SHEATHING SHALL BE 7116" MINIMUM APA RATED ROOF SHEATHING WITH 8d COMMON @ 6" OC AT ALL SUPPORTED
<br />PANEL EDGES AND 8d @ 12" OC AT INTERMEDIATE SUPPORTS.
<br />GENERAL CONSTRUCTION NOTES
<br />1. CONTRACTOR SHALL VERIFY ALL DIMENSIONS IN THE FIELD. ANY VARIATIONS FROM THE DRAWINGS SMALL BE BROUGHT TO
<br />THE ATTENTION OF THE DESIGNER OR THE ENGINEER.
<br />2. ADEQUATE SHORING AND BRACING OF ALL STRUCTURAL MEMBERS DURING CONSTRUCTION SHALL BE PROVIDED. ANY
<br />PROPOSED FIELD CHANGES MUST HAVE THE APPROVAL OF THE ENGINEER PRIOR TO CONSTRUCTION.
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