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Specifications /..3 efO P4ciFGG bfailf I 2(92/ c) OFFICE COPY ' �, I 1100011111 WESTSIDE SURGURY HVAC TIGARD, OR STRUCTURAL CALCULATIONS DESIGN CRITERIA: DC 1 ��aEo PRO� S 1 RTU ANCHORAGE: RTU 1—RTU6 ��e �NOI N ez.. kr.b ni :87XE / r ,i OREGON ry„ �, 1Af e' AH HUS0441' EXPIRES: 6/60/2,3 (8 PAGES TOTAL INCLUDING COVER SHEET) November 29, 2021 PROJECT NUMBER: 210388.01 a 01 , O - ARCHITECTURE ENGINEERING SIBNNTTAL REVIEW FOR ENGINEERED COLIDONENTS U PLANNING INTERIORS ® APPROVED See Contract Documents for Contractor's engineered component LANDSCAPE responsibility.Approval is only for general conformance with ❑ APPROVED AS NOTED the design aiteda of the pniect Contractor at all Imes remains solely If checked above,fabrication MAY be undertaken responsible for compliance with the Contract Documents,including 15 895 SW 72ND AVE and re-submittal is not required unless specifically cimensions and safety analyses.Deviations are not approved unless noted in the correction comments.Review does not Contractor has in wrung called Engineer's attention to such deviation SUITE 200 authorize changes to Contract Sum unless stated at the lime of submission and Engineer has In wilting approved the in a Change Order. specific deviation.No acceptance by Engineer reieves Contractor from PpEcORT LAND,OR 97224 responsibility for errors or omissions in Compliance Submittals. PHONE:503.226.1285 If checked below,fabrication MAY NOT be undertaken. Fax:503.226.1670 Resubmit corrected copies for final approval.Correction shall � be linrted to items marked. 0.041141 INFO@C IDAINC.COM ❑ REVISE AND RESUBMIT PROFESSIONAL ENGINEERING CONSULTANTS P.A. WWW.CIDAINC.COM 0 REJECTED Co M rtle sto BY_. ry• Y DATE 01/04/2022, _ , y se,s,d, OTC tip' Hazard c;,r.ri,n3?each DC 1 >� 1e v 1.dgelield 0 Search Informa Ti t I?or kaway Vancouver Address: 13 8"a`.,l' 215 ft "" ooG ribak l g land 14, Coordinates: 45 Hillsboro° 0 o Idlamook Gresh rn Elevation: 21 E3eav Non ze Mt.Timestamp: Fit 2C National I rir3 CO Hazard Type: SE Pac;fic C ty t� Reference A. ,,.1 Go, =Cgfe Map data©2021 Google c Document: Lilco rt Cit'Y Salem Dallas o Risk Category: • Wind: exposure B V=98mph Deprie Lai' UM.... Class: D- L.r-trait J Ne'.vport Basic Parameter 0, Corvallis o Leuanon a Ca She Name Value Wedaort o Sweetoy=ame 0 raj SS 0.854 Siuslaw Q ( o; National Forest Jun;-tier City Mckenzie St 0.394 a F3-,dge 0 SMS 1.025 . (--...73 Ftutirsnc Willamette SMt *null Site-modified spectral acceleration value SDS 0.683 Numeric seismic design value at 0.2s SA SDt *null Numeric seismic design value at 1.0s SA * See Section 11.4.8 Additional Information Name Value Description SDC *null Seismic design category Fa 1.2 Site amplification factor at 0.2s F, *null Site amplification factor at 1.0s CRs 0.885 Coefficient of risk(0.2s) CRt 0.866 Coefficient of risk(1.Os) PGA 0.389 MCEG peak ground acceleration FPGA 1.211 Site amplification factor at PGA PGAM 0.471 Site modified peak ground acceleration RTU 1 CIDA WESTSIDE SURGERY HVAC RNH TEL: (503)226-1285 11/29/2021 FAX: (503)226 1670 MECHANICAL UNIT ATTACHMENT-LATERAL FORCES RTU 2 RTU-2 ON SPRING CURB Wp:= lb Weight of unit We:= 3741b Weight of curb Wt:= Wp+ We Wt= 111b L:= 100.125 in Length of unit Lc:= 77.5in Length of Curb wm:= 40.5in Width of unit wc:= 39.5in Width of curb hm:= 50.5.in Height of unit he:= 36•in Height of curb hmc:= hm+ he h,nc= 86.5 in Total height of unit on curb SEISMIC PARTS AND PORTIONS (TIGARD, OR) Mapped S := 0.* site class=D Adjusted Maximum Sms:= 1.025 Design SDS:= 0.683 h:= Ip:= 1.0 ap:= 2.5 Rp:= 2.0 z:= h Air sideHVACcomponent 0.4 ap SDS•Ip ( z FPunit:_ 1 + 2 — 1 W RP \ h) P FPunit= 941.52 lb 0.7•Fpunit= 659.06 lb 0.4.ap•SDs•Ip ( z I FPcurb:= 1 + 2 — i(Wp+ Wc) Fpcu b= 1324.68 lb 0.7.Fpcub= 927.27 lb RP h/ WIND LOAD: BASED ON 2018 IBC/2019 OSSC Vas:=• Exposure B Kd:= 0.85 Kh:= 0.7 Kz1:= 1.0 GCr:= 1.9 GCr vert••= 1.5 qZ:= 0.00256.Kh•KA.Kd•V3s2.psf F:= GC,.qz F=27.79psf Pwind unit FL.hm wind unit= 975.96 lb wind curb F L(hm+ hc/ Pwind curb = 1671.7 lb E:\adcadd\21\00000-2021 Mechanical Projects\0388.01 Westside Surgery HVAC\Structural\RTU 2.mcd RTU 2 CIDA WESTSIDE SURGERY HVAC RNH TEL: (503)226-1285 11/29/2021 FAX: (503)226 1670 WIND LOAD: BASED ON 2018 IBC/ASCE7-16-VERTICAL Fvert = Ali GCr vert Fvert= 21.94 psf Pwind_unit_vert:= Fvert U Wm Pwind_unit_vert =617.92 lb Pvertunit = 0.6Wp—0.6P wind unit_vert Pvert unit = 180.65 lb >0,No Net Uplift Pvert curb = 0•6(Wp+ We) —0.6Pw,ind_unit_vert P vert curb =405.05 lb >0,No Net Uplift OVERTURNING-UNIT TO CURB LC#7 0.6D+0.6W LC#8 0.6D+0.7E WIND-Overturning at unit to curb SEISMIC-Overturning at unit to curb (hm hm Mot_seismic_unit Fpunit I Mot_wind unit:= Pwind_unit 2 \ 2 ) Mot seismic_unit = 1981.11 lb ft Mot wind unit - 2053.59 lb ft (0.6Mot_wind_unit) Pvert_unit (0.7.Mot_seismic_unit) — (0.6—0.7.0.2•SDS)*Wp Fup_wind_unit — Fup_seismic_unit w we 2 c 2 Fup_wind_unit = 284 lb Fup_seismic_unit = 189.54 lb O.&Pwind unit= 585.58 lb 0.7•Fpunit=659.06 lb ISMIC GOVERNS LATERAL ATTACHMENT Design attachment for 660 lb sliding and 284 lb tension at unit to curb connection--18GAcurb 0.7•Fpunit= 659.06 lb Fup_wind_unit =284 lb Try 16GAx6"CLIPS WITH(4)#10 SCREWS TO UNITAND(4)#10 SCREWS TO CURB VcLIp:= 4711b Per clip 0.6 Pwind_unit Ushear:= 2 VCLIP Ushear=0.622 Fup_wind_unit Uuplift:= Uuplift= 0.6 I•VCLIP Use(1)16GAx6"clip per side with(4)#10 SMS to unit,and(4)#10 SMS to curb--(4)clips total E:\adcadd\21\00000-2021 Mechanical Projects\0388.01 Westside Surgery HVAC\Structural\RTU 2.mcd RTU 3 CIDA WESTSIDE SURGERY HVAC RNH TEL: (503)226-1285 11/29/2021 FAX: (503)226 1670 OVERTURNING-CURB TO ROOF LC#7 0.6D+0.6W LC#8 0.6D+0.7E WIND-Overturning at unit to curb SEISMIC-Overturning at unit to curb hmc (hmc) Mot_wind curb = Pwind_curb' 2 Mot seismic_c FPcurb' — 2 Mot_wind_curb= 6025.09 lb ft Mot seismic% =4774.36 lb ft (0.6Mot_wind_curb) Pvert_curb (0.7'Mot_seismic_c) (0.6— 0.7.0.2•SDS)'(Wt) Fup_wind_curb :_ — F • up_seismic c •_ — Wc 2 We 2 Fup_wind_curb = 895.72 lb Fup_seismic_c = 689.23 lb O.& wind curb = 1003.02 lb 0.7 FPcurb= 927.27 lb WIND GOVERNS CURB TO ROOF ATTACHMENT Design attachment for 1,003 lb sliding and 896 lb uplift at curb to roof connection 0.&Pwind_curb = 1003.02 lb Fup_wind_curb = 895.72 lb TRY SIMPSON SDWS SCREWS: d0.22in Screw diameter CD:= 1.6 Load duration factor SDWS screw:= LSDwsscrew 4in Length of screw wsDWs thread 164. 16 Withdrawal capacity per inch in LSDWS thread 2.375in Thread length LSDWS_EMBED = LSDWS_screw—0.1251n— 1.5in— 0.8751n LSDWS EMBED = 1.5 in L(EMBED)=SCREW LENGTH-CURB THICKNESS-LEVELER-SHEATHING VSDWS_allow = CD•1901b TSDWS_allow CD'min(LSDWS_thread,LSDWS_EMBED)'WSDWS_thread VSDWS allow= 304 lb TSDWS allow= 393.6 lb (0.6Pwind_curb) USDWS_SHEAR USDWS SHEAR = 0.55 <1.0,FASTENERS ADEQUATE 6•VDDWS allow U — (Fup_windcurb) 0.76<1.0,FASTENERS ADEQUATE SDWS TENSION•— USDWS TENSION = 3•TSDWS allow 4111.1111111111111111111111111111111MMIED MIN PER SIDE AT CURB TO ROOF FRAMING FASTENERS TOTAL E:\adcadd\21\00000-2021 Mechanical Projects\0388.01 Westside Surgery HVAC\Structural\RTU 2.mcd RTU CIDA WESTSIDE SURGERY HVAC RNH TEL: (503)226-1285 11/29/2021 FAX: (503)226 1670 MECHANICAL UNIT ATTACHMENT-LATERAL FORCES RTU 3 ROOFTOP UNIT ON CURB Wp:= 5801b Weight of unit We:= 2161b Weight of curb Wt:= Wp+ We Wt= 796 lb L:= 74.375in Length of unit Le:= 70.875in Length of Curb wm:= 46.625in Width of unit wc:= 40.5625in Width of curb hm:= 33.375•in Height of unit hc:= 36•in Height of curb hmc:= hm+ he hmc= 69.38 in Total height of unit on curb SEISMIC PARTS AND PORTIONS (TIGARD, OR) Mapped Ss:= 0.854 site class=D Adiusted Maximum Sms:= 1.025 Design SDS:= 0.683 h:= 25ft Ip:= 1.0 ap:= 2.5 Rp:= 6.0 z:= h Air side HVAC component 0.4 at;SDS•Ip z 1 Fpuuit:— RP \• 1 + 2 h i Wp Fprmit= 198.07 lb 0.7•Fpu„it= 138.65 lb 0.4 ap SDS•1p ( Z Fpcurb:_ • 1 + 2•— (Wp+ Wc) Fpcurb= 271.831b 0.7 Fpcurb= 190.281b Rp WIND LOAD: BASED ON 2018 IBC/2019 OSSC Vas:= 98 Exposure B Kd:= 0.85 Kh:= 0.7 KZt:= 1.0 GCr:= 1.9 GCrvert•= 1.5 qz:= 0.00256•Kh•KZt Kd•V3s2.psf F:= GC,:qZ F= 27.79 psf Pwind unit F 1-1 hm Pwind unit=479.12 lb Pwind curb F L•(hm+ hc) Pwind_curb = 995.93 lb E:\adcadd\21\00000-2021 Mechanical Projects\0388.01 Westside Surgery HVAC\Structural\RTU 3.mcd RTU 5 CIDA WESTSIDE SURGERY HVAC RNH TEL: (503)226-1285 11/29/2021 FAX: (503)226 1670 WIND LOAD: BASED ON 2018 IBC/ASCE7-16-VERTICAL Fvert CTCr vert Fvert=21.94psf Pwind_unit_vert:= Fvert''-'Wm ''wind unit vert = 528.43 lb Pvert unit 0.6Wp— 0.6Pwind_unit_vert Pvert unit = 30.94 lb <0,Net Uplift Pvert curb 116(Wp+ Wc) —°•6Pwind_unit vert Pvert curb = 160.54 lb <0,Net Uplift OVERTURNING-UNIT TO CURB LC#7 0.6D+0.6W LC#8 0.6D+0.7E WIND-Overturning at unit to curb SEISMIC-Overturning at unit to curb (hm hm Mot seismic unit FPunit Mot wind unit Pwind unit 2 2 M — 666.28 lb ft Mot seismic_unit =275.44 lb ft of wind unit — (0.6Mot_wind_unit) Pvert_unit (0.7•Mot_seismic_unit) (0.6— 0.7.0.2.SDS).Wp Fup_wind_unit = — Fup_seismic_unit = — wc 2 we 2 Fup_wind_unit = 102.8 lb Fup_seismic_unit =—89.23 lb 0.6 Pwind_unit=287.47 lb 0.7•Fpw,it= 138.65 lb WIND GOVERNS UNIT TO CURB CONNECTION ATTACHMENT Design attachment for 288 lb sliding and 103 lb tension at unit to curb connection--18GA curb 0.6 Pwind_unit=287.47 lb Fup_wind_unit = 102.8 lb Try 16GAx6"CLIPS WITH(4)#10 SCREWS TO UNITAND(4)#10 SCREWS TO CURB VCLIp:= 4711b Per clip 0.6 Pwind_unit Ushear•= 2 V U 0.305 CLIP shear—— Fup_wind_unit Uuplift Uuplift=0.22 1'VCLIP Use(1)16GAx6"clip per side with(4)#10 SMS to unit,and(4)#10 SMS to curb--(4)clips total E:\adcadd\21\00000-2021 Mechanical Projects\0388.01 Westside Surgery HVAC\Structural\RTU 3.mcd RTU 6 CIDA WESTSIDE SURGERY HVAC RNH TEL: (503)226-1285 11/29/2021 FAX: (503)226 1670 OVERTURNING-CURB TO ROOF LC#7 0.6D+0.6W LC#8 0.6D+0.7E WIND-Overturning at curb to roof SEISMIC-Overturning at curb to roof hmc (hmc Mot_wind_curb = Pwind_curb•2 Mot seismic_c FP curb' 2 = 2878.87 lb ft Mot seismic_c = 785.77 lb ft Mot wind curb (0.6Mot_wind_curb) Pvert_curb — (0.7•Mot_seismic_c) — (0.6— 0.7.0.2•SDS)•(Wt) Fup_wind_curb = Fup_seismic_c Wc = c 2 W 2 Fup_wind_curb =430.74 lb Fup_seismic_c =—38.02 lb 0.6 P — 597.561b 0.7•F1icurb= 190.28 lb wind curb — WIND GOVERNS CURB TO ROOF ATTACHMENT Design attachment for 598 lb sliding and 431 lb uplift at curb to roof connection 0.6 wind curb = 597.56 lb Fup_wind_curb =430.74 lb TRY SIMPSON SDWS SCREWS: CD:= 1.6 Load duration factor dsDws_screw 0.22in Screw diameter LSDWS-screw 4in Length of screw WSDWS_thread 151•77 lb Withdrawal capacity per inch in LSDwS thread 2.375in Thread length LSDWS EMBED = LSDWS screw— 0.125in— 1.5in— 0.875in LSDWS EMBED= 1.5 in L(EMBED)=SCREW LENGTH-CURB THICKNESS-LEVELER-SHEATHING VSDWS allow= CD 1901b TSDWS_allow = C .min(LSDWS thread,LSDWS_EMBED).WSDWS_thread VSDWS allow=304 lb TSDWS_allow= 362.4 lb (0.6Pµ,ind_curb) <1.0,FASTENERS ADEQUATE USDWS_SHEAR USDWS_SHEAR= 0.49 4•VSDWS allow (Fup_wind curb)USDWS_TENSION USDWSTENSION =0.59<1.0,FASTENERS ADEQUATE 2• SDWS_allow USE(2)SDWS TIMBER SCREWS WITH 1 1/2"EMBED MIN PER SIDE AT CURB TO ROOF FRAMING MIN.(8)FASTENERS TOTAL E:\adcadd\21\00000-2021 Mechanical Projects\0388.01 Westside Surgery HVAC\Structural\RTU 3.mcd