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PROJECT APPLIED TECHNICAL SERVICES <br /> �nstry TITLE STRUCTURAL CALCS <br /> 4fe BY JHK SCALE NTS JOB# 121533 <br /> 800.669.6223 www.mckinstry.com <br /> DATE 11/4/21 REF.DWG SHEET <br /> SCOPE: O DESIGN ATTACHMENT FOR INCOMING REPLACEMENT AC-15 UNIT FOR <br /> WORST CASE SEISMIC, WIND, AND GRAVITY LOADS. <br /> OCONFIRM FRAMING FOR INCOMING UNIT. <br /> PROJECT: 6300 MERRIL CREEK <br /> PARKWAY, SUITE A-100 <br /> EVERETT, WA 98203 <br /> LOCATIONS: ROOFTOP <br /> DESIGN PARAMETERS: <br /> CODES: ASCE 7-16, IBC 2018 W/WASHINGTON AMENDMENTS <br /> REFERENCES: LANCE AND MUELLER &ASSOCIATE DRAWING S1.4 <br /> DATED 11/9/98 <br /> LOADS: <br /> DEAD: SELF WT OF EQUIPMENT <br /> (NEW)AC-15: WT = 1384#, LxWxH = 88.5"x53.5"x47" <br /> (EXISTING)AC-15: WT = 1247# <br /> SEISMIC: <br /> Sps = 1.1g <br /> IP = 1.0 <br /> AP = 2.5 <br /> RP = 6.0 <br /> z/h = 1.0 <br /> WIND: <br /> V3SEC = 110 MPH <br /> EXP = C <br /> IW = 1.0 <br /> HT = 50'-0" <br /> SNOW: <br /> Is = 1.0 <br /> Pg = 25 PSF <br /> DESIGN APPROACH: <br /> 1. USE EXCEL TO PROCESS WORST CASE LATERAL AND GRAVITY LOADS. <br /> 2. DESIGN SCREW CONNECTION FOR WORST CASE LOADS. <br /> 3. CONFIRM EXISTING FRAMING FOR INCOMING LOADS. <br />