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2414 Structural Calcs
���������l� �+���+��� ! ����? Ft3R T�i� ���������� ����� ����������� ��V���� Plan 2414 pecember 6, 2011 Rev. 1 OctobEr 1, 2012 G��ggp�t�j '` /� v�a�was�I�� �'� r 1 �� �J 07 -' ` � � I � �� 7tAL. �,� '�!►✓ � SS�ONAL�N ��\ � Job No. : 11-017 �ocat�Qr�: Tahorr�a Terra, �.ots � - 2QQ Yelm, Washington SEGA Engineers� Structural & Civil Consulting Engineers 22939 SE 292"d PL (360}886-1017 Black Diamond,WA 98010 Copyright 2012,SEGA Engineers .�; ;___ ._, ,�. , �; , � � : :_f ;� ,.____.__..s---- STATEMENT OF WORK SEGA Engineers was asked to provide a lateral loads analysis, shear wall design, review of major framing members and foundation, and drawing red-lines for a two stary wood framed single family residence. The roof framing is both 2x raft�rs and manufactured trusses, the floor framing is 2x dimensional or wood I- joists, and the foundation is typical concrete strip footings with a crawl space. The appiication and use of these calculations is limited to a single site referenced on the cover sheet. The cover sheet should have an original signature in blue ink over the seal. The attached caiculations may or may not apply to other sites and the contractor assumes all responsibility and liability for sites not expressly reviewed and approved. Please contact SEGA Engineers for use at other sites. SEGA Engineers will use that degree of care and skill ordinarily exercised under similar circumstances by members of the engineering profession in this locat. No other warranty, either expressed or implied is made in connection with our rending of professional services. For any dispute, claim, or action arising out of this design, SEGA Engineers shall have liability limited to the amount of the total fee received by SEGA Engineers. Questions regarding the attached should be addressed to SEGA Engineers. Greg Thesenvitz, PE/SE SEGA Engineers SEGA En�ineers, Project 2414-2419 � SU•uctw•al &Civil Consulting Engineers Job No. 11-017 By: GAT 22939 SE 292nd PL (360)886-1017 [31ack Diamond, WA 98010 Checked Date: 03/24/11 Sht i Design Criteria International Building Code (IBC), 2009 LOADS Roof DL 15 psf LL 25 psf Floor DL 10 psf LL 40 psf Wind Design Wind Speed 85 mph KZ, 1.00 Exposure B Importance Factor 1.00 Seismic Design Category D Sos 1.00 Response Factor 6.5 CS= 0.154 Importance Factor 1.00 S 011 Allowable Bearing 1,500 psf Copyright 2011,SEGA Engineers SEGA Engineers� Project 2414-2419 � Swctural&Civil Consulting Engineers Job No. 11-017 By: GAT 22939 SE 292nd PL (360)886-1017 B1ackDiamond,WA 980]0 Checked Date: 03/24N1 Sht 1 LOApS ROOF DL Roofing(Comp) 3.5 psf '/Z" OSB 1.8 2x @24" 3.5 Insulation 1.1 SIg�� GWB 2.8 Misc. 1.5 14.2 psf LL Snow, Pf 25 psf (115% Load Duration) Reduction, Cs 0.00 (C�= 1.1,other surfaces) 6/12 pitch = 27 deg Total Roof Load 39.2 psf FLOOR DL Flooring 0.5 psf 3/4" Plywood 2.3 2x12@16"oc 3.3 5/e" GWB 2.8 Misc. 1.5 10.4 psf LL Residential 40 psf Totat Floor Load 50.4 psf DECKS DL 2 x Decking 4.3 psf 2x10@16"oc 2.8 Misc 1.5 8.6 LL Residential 40 psf Total Deck Load 48.6 psf WALLS DL Siding 3.5 '/Z" Plywood 1.5 psf 2x6@16" oc 1.7 Insul 0.6 '/2"GWB 2.2 9.5 psf Copyright 2011,SEGA Engineers SEGA Engineers � PROJECT Z�� 1 , �tructura! & Civil Consulting Engineers `� � Z`�� � JOB NO. �f_fl'Q FIGURED BY ��1 22939 SE 292nd Place • Black Diamond, Washington 98010 1 (360) 886-IO17 � Fax (360) 886-1016 CHECKED BY DATE��-�f� SHEET z OF ---- -.. ... __.. ... _ .. _..... _. . ._. _. _ .. .._.. .__ ._. __ _.........._. � �',M �n,� _ �Zp,OF ---____ ------------- i I ' ! ��u 5�( �v+, C F-�.� , i I I --r , � j � � . _ ;. : _ _ _.__ ; __�'- ---�-.---=-=-- ' -=---_=-.--- ! 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Copyright 2011,3EGA Engineers SEGA En in� eers � PROJECT z�.��_ Z�-�� �ctural & Civit Consulting Engineers JOB NO. ��—p�q FIGURED BY G—y�j 22939 SE 292nd Place • Black Diamond,Washington 98010 p (360) 886-1017 � Fax (360) 886-1016 CHECKED BY DATE 3��/�� SHEET3 OF ----�-- - - .._. _._ ....._ . __ _ _..._ _ . . . .-- --------------�---- , �f�in�lr 1��,�r-� �Gc�'z ; � ` ; P wz I r�-�'�'z ��'''t 2- G�lT�"(�� — �Lk�:�/,�l�' .�2�1�(;� w� � `------�-�;,. ; � : __ � � � . , \\ �_ . = _ __.__-- ._ _. ._ ... .... _ __ . _ _..._ . _._._ ____._ �-, - —___.___y��_ ,� K ,��- �"�i ' ��8>�-����t 1���U�� �z..���;�� _ ��5��1- Q,� i i �3 � �" ��'z����S�) `13'S' _ `f- S`�D� ; L ' j _ _ . . � �-I- _ . _. . _ .. ....__.. _;_---�----� ``��'� � 'B� � SS''�� t�n�j��� C3`tt3x��� � �� 335t'r'F , � M = �i3 � ����C�,���_� �,Sx��3�r,`�,,������ s�r,H�,�,-- �l`�,� s,���� �.t�- ' �,?I�-��,!r/ _ � - ( t� _ { ( _ . . .._.._.____ � _ ' 3i � l IZ � �'����`h� - I�� �I`Jl�l 1�� /'�k Q4eC j � _ nr �5 t ��� (J'��� Z��I� 1- o. L13 ��-,(or��LO�}t ' `x'� 3c� xlcD �<NZ D� , /z�-o � G�� rj.�.00L ?jr�, �_ G�Z�"� — �L2t/. ��•� �Z��9� ��/�.� �, � -�j/T_. � �F� 5'� �� `� 1.� ;�3,�,�. ��- ��zX�S��� t��o����r �3 z � ��v ysc, =�, 33 �r� ; 1' � C3:L)��,��� C �) = 3, o�a � _ ' ; - _____ ____._-----.---` � ` � �z� (SS�3� r �`�O jLF � ��)C��J'�?= (� S����'L� M � �lA�'� �13� �r) — �S'S')(d�3�)(S�)��tS���3�1��' ��'S�lc��C6)(7�1�)T '`� � ; . � 3 � �- _ �,rx ' _ � , . _ '� , `J � �l-/�'' �°¢ __. _ ... _...___;.----���.I� _ " � ,I `A 13, d �a ; _,..... � " � )_ ; ; � � �SlZni`�'� � Zo�)27` n�V 13 ��D�7ir)l7(�� � = �2.�a-Y���'irtJ t i ?'Z� _ . _ � 1._._._ . -- � � i Copyright 2011,SEGA Engineers SEGA Engineers Project 2414-2419 Structural&Civil Consulting Engineers Job No. 11-017 By: GAT 22939 SE 292nd PL (360)886-1017 Black Diamond,WA 98010 Checked Date: 03/24/11 Sht. � LATERAL LOADS - SEISMIC Maximum Base Shear,V= F SpS W Eq. 12.14-11 R where, F = 1.1 Two-Story Building Sos = 1.00 SS = 1.5 Fa= 1.00 (Table 11.4-1, SS> 1.25) R = 6.5 Table 12.14-1 W= Seismic Weight For W: W,�ar= (40ft) ( 38ft) (16psf)+ (2 ) (40ft+ 38ft) (4.Oft) ( 9.5psfl = 30kips W�o�= (40ft ) ( 38ft) (14psf)+ (2 ) (40ft+ 38ft) (8.5ft) (9.5�JSfl = 34klps W total = 64 kips Design Base Shear, V= ( .169 ) (64 kip) = 10•9 kiP E = 10.9 kip = 7.8 kip 1.4 WIND Design Wind Pressure, ps= � K� IW Psso Eq. 6-1, Sect. 6.4.2.1 where, � = 1.00 0- 15 ft Exposure B Figure 6-2 = 1.00 20 ft = 1.00 25 ft = 1.00 30 ft KZ�= 1.00 Section 6.5.7 I„, = 1.00 Section 6.5.5 P3o = 10.4 psf 85 mph Figure 6-2 Po_,5 = ( 1.00 ) ( 1.00 ) (10.4 psf) ( 1.00 ) = 10.40 psf P2o = ( 1.00 ) ( 1.00 ) (10.4 psfl ( 1.00) = 10.40 psf P25 = ( 1.00 ) ( 1.00 ) (10.4 psfl ( 1.00) = 10.40 psf P30 = ( 1.00 ) ( 1.00 ) (10.4 ps� ( 1.00 ) = 10.40 psf Design Base Shear: (Wind) V�,b = (40ft) ( 10ft) (10.4psfl + (40ft) (5ft) (10.4psfl + (40ft) ( 5ft) (10.4psfl + (40ft) ( 3ft) (10.4psfl =9.6kips V5�5 = ( 43ft ) ( 10ft) (10.4psfl + (43ft) (5ft} (10.4ps� + ( 28ft) ( 5ft) (10.4psfl + ( 10ft) (3ft) (10.4psfl =8.5kips Therefore, Wind Loads Govern for Lateral Design-Front/Back Wind Loads Govern for Lateral Design-Side/Side Copyright 2011,SEGA Engineers SEGA En ineers � PROJECT ���, - z�.l o� , Structural & Civil Consulting Engineers JOB NO. 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