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Ki ngworks JOB TITLE NSR-Davita <br /> STRUCTURAL ENGINEERS Structural Calculations <br /> 600 Dupont St`Ste B JOB No. 23113 SHEET NO. <br /> Bellingham,WA 98225 CALCULATED By BJ DATE <br /> 360-714-8260 www.king-works.com CHECKED By BJ DATE <br /> J0 <br /> WASHq, o <br /> Cl) M <br /> 6/22 3 <br /> 51757 <br /> GCT URA L <br /> FSS�0 A k- <br /> STRUCTURAL CALCULATIONS <br /> FOR <br /> North Sound Refrigeration <br /> Davita <br /> 8130 Evergreen Way <br /> Everett, WA 98203 <br /> Code: 2018 International Building Code <br /> Loads: Existing Roof <br /> Dead 20 psf <br /> Snow 25 psf <br /> Mechanical Units <br /> Tag Ex Wt New Wt Change Note <br /> RTU 1 1059 Ibs 1110 Ibs 5% unit weight increase is less than 5%,OK <br /> RTU 2 1108 Ibs 1373 Ibs 24% increase is greater than 5%,see attached <br /> RTU 3 797 Ibs 1009 Ibs 27% increase is greater than 5%,see attached <br /> RTU 4 747 Ibs 897 Ibs 20% increase is greater than 5%,see attached <br /> RTU 5 767 Ibs 956 Ibs 25% increase is greater than 5%,see attached <br /> Description: <br /> Client is replacing(5) rooftop mechanical units with new units. Existing roof structure <br /> consists of open web steel joists,wood sleepers and a plywqood diaphragm. Units will <br /> attach to existing curbs with light gauge curb adaptors. <br /> Page Item <br /> 1 Cover&Criteria <br /> 2 Disclaimer& Results Summary <br /> 3 Gravity Calcs <br /> 15 Lateral Calcs <br /> 22 Appendix- Info Provided by Northsound Refrigeration <br /> Page 1 of 40 <br />