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Specifications (55) c,E_c-c).a1� -\P‘k--\ `pe c-vcc_. OFFICE COPY MADDEN&BAUGHMAN \J C, 1 P. F F F I N C: . 1 NC April 12, 2018 RECEIVED Mr. Mark Schick ARM Property Management PO Box 25030 MAY 1 2018 Portland, Oregon CITY OF TIGARD RE: Rooftop Unit BUILDING DIVISION Structural Engineering Calculations Pacific Plaza, SW Hall and 99E, Tigard, Oregon Mr. Schick, Attached please find structural calculations pages for the anchorage of the rooftop unit replacement on the roof of the building located at Pacific Plaza in Tigard, Oregon, as shown on the attached details and dated April 12, 2018. Design is based on the requirements of the 2014 Oregon Structural Specialty Code. Sincerely, Jerome A. Madden, PE, SE PROFF Principal )�� SS, <, 19386 ,P l 110 OREGON EXPIRES 12-31-18 The attached calculations represent design for gravity and lateral loads as determined by the applicable building code. To the extent the design is based on information provided by the client or others, Madden & Baughman Engineering, Inc. has relied on such information and assumes that it is accurate. Madden & Baughman Engineering, Inc. shall have no liability with respect to means and methods of construction. The engineering reflects the finished product and no consideration has been made for temporary conditions that may exist during construction (such as loads induced during erection, shoring, etc.), which are entirely the responsibility of the contractor. Madden & Baughman Engineering, Inc.is and shall remain the owner of the calculations. Unauthorized use of these calculations is prohibited including but not limited to making changes to this project or use on other projects. :915.;y2r.d '•::r k I::951 3;_vi rJ 323(:. I ::.r i:..Jcr•.i) Project: Pacific Plaza By:JAM Sheet No. MADDEN&BAUGHMAN Location:Tigard,Oregon Date: 04/11/18 °Ilii I N c.N r_ N c I N it Client:Arm property management Revised: Job No. Portland,OR Subject: Rootop Unit Date: Seismic Criteria for Non Structural Components: Risk Category= II Soil Site Class= D Seismic Design Category= D IP 1.00 Per Section 13.1.3(references are to ASCE 7-10 UNO) Ss 1 g Per USGS SS= 0.4 g Per USGS SMS= 1.10 Per USGS SMS= 0.70 Per USGS SDS— 0.733 SDS= 0.467 z/h= 0.0 Roof WS= 802 lbs Roof Top Unit(Max) WE1= 399 lbs Seismic Weight(0.6-0.14SDs)D Section 13.3 FP 0.4apSDSWp(1+2(z/h)) (Eqn.13.3-1) (Ftp/Ip) Max Fp 1.6SDSIpWp (Eqn.13.3-2) Min FP 0.3SDSIpWp (Eqn.13.3-3) Mechanical Unit Mechanical Unit Vertical Seismic Component ap= 2.5 Table 13.6-1 Fpm 0.147 Wp 0.2*SDS*Wp RP 6.0 Table 13.6-1 FP 0.122 Wp Max FP 1.173 Wp Min FP 0.220 Wp 4= 1 (not anchored to concrete) Design FP 0.220 Wp F1= 176 lbs (Ultimate) Load per attachment: W= 47 in Width(Min.) H= 44 in Height(Max) HS= 26 in Assumed height to center of gravity(0.6*H1) M= -4715 lb-in Overturning Moment VSCfeW 22 lbs Shear per holdown Tgross= -100 lbs Maximum Total uplift/tension Tholdown= -50 lbs Max.uplift per holdown Tend screw= -13 lbs 2 H2.5A ea.End Vend screw 44 lbs 2 H2.5A ea.End Protect PACIFIC P LAZA 9y JM Sheol No. © MADDEN&BAUGHMAN Loc.lion SW HALL AND 99EDate4/11/18 S2 g E N G I N E E R I N G , I N C . — _ Job Na cOR col 503236.7611 °� � TIGARD, OREGON �r Revised www.maddenbaughman.com Date EA CORNER (3) 1/4x6 SCREWS ��l SZ � 4 J4S�- i I - _ - ,--,- ,- cl Gpge 01-2- d r=d t St . n� V ., `_ l7 r Va/ NLTc 4. a T1s k9p C 1g t7,7w00 ' f C/J/ /o 4) ® 6 'U.c-- II ___,,___._ ----tip S 17:c co A /Le 701,c, A- $ ' (,(7) til S7 S. c,-\c-° PROF-4c- <c, 19386 S r i. \ OREGON 4/5 A. MP [ EXPIRES '12-31-18 Protect PACIFIC PLAZA BY JM Spee`No. © MADDEN&BAUGHMAN LO SW HALL AND 99E Date 4/11/18 S1 g E N G I N E E R I N G , I N C . - — Job No Portland,OR Client Revised tel 503.236.7611 TIGARD, OREGON - - www.maddenbaughman.com Date ROOF TOP MAX WEIGHT = 805 LBS -.....F - 1 i I I 1 I ,•sz....) ,c, Oc sz...., ‘rs1 I lv k I H2.5A FROM JOIST TO CURB, EA. CORNER XIF.,?\.; IK'' 4 ceo) PROFFsji � � o r--- , 1 A� UNz � �cvN �� v J C <, 19386 ,p r-, 5 11 • } I a OREGON ‘,//, ,X01 EXPIRES 1 2-31-1 8 Project PACIFIC PLAZA By J M Sheet No. SW HALL AND 99E —4/11/18 — Si MADDEN&BAUGHMAN Location Date g E N G I N E E R I N G , I N C _ Job No. Portland,OR Client Revised tel 503.236.7611 TIGARD, OREGON _ www.maddenbaughman.com Date 1 liii al , mai 11'1 ....00erni,"rirry'llv:7 cer...........ormin 4. 11,4 ...i' ' l' V f Ir ji'; 1 . : . . 1 q •-or..� NN4.41111 441"F I*jI 8 f I �" I ' jjrLi0ii:i" t: . ,. . 1 6 I 1 imilT__.,,,.... _..f. ....I 1 r t N,s.„ vl I .*J •I I1 �� ki ! iJ • • I I :i i I , ♦ 1 i' • II 's, 1:1 j I I I 1 , ,. t • „ '•\ • ' I ! Hare: „,....„0<!,., 1 ,,1 t. 1oRav1 . nrr:c. fl APP 310! '� 30 -714AT M a/WT'b 114' •,;` \` iti��.G F tt... �*C..Site•t, *422,10. t15B 54461411-1046. .1Ovt. a e71t all t 2. �C14 Fot3! IGm OP �rT IG5F'A •0 ei-let„L O•kora: 2"n Faamile •aa. cca64I4) 1/11,0 JP 6:.ar ...t.Wi 00 NiT Fag , � ��• 5st« !sdtA.4 wlr2 (.b) 1/ aa .:- F 51.4710..NaliA WHl YR 16 "31..c" 2.5nbbr ttkac rim rt.t tr n WAL.C. PARTIAL ROOF FRAMING PLAN