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�'� ROOF YENT R�QUIREMENT - OPT. GOYERED P�TIO
�009 I.R.G. I.R.G. SEG. R8p6,Z _ VENTILATION
�� THE NET FREE 1/ENTILATIN6 AREq SF{q�,L J,KjT��c�TM� I /150 OF 'fHE q(iEq pF c,�pqGE TO BE
�' VENTILATED,EXGEPT THAT THE AREA MAY BE ( /300,PROVIDED AT
�# � �RECiUIRED VENTILATIN6 ARE,e, IS PROVIDED BT VENTILATORS�TED NI `7HE I�ER pRTION�
OF THE SPAGE TO BE VENTILATED AT LE?ST 3 FEET ABOVE EAVE VENTS WITH THE BALANGE OF THE
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REQU�RED VENTILATION PROVIDED 8Y EAVE VENTS qND V�lTIN6 RID6E5.
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EAVE VENTS SHALL SE GOVERED WITH GORROSION-RESISTANT METAL MESH WITH MESFi
� OPENIN65 OF I/4" IN DIMEN510N.
�� TOTAL ROOF AREA (Sc�. Ft�:
SGREENED NENT AREA (59,. Ft. w/ AREA REDUGTIOrU: 240
�< REQUIRED AREA h'OTAL 5c�. Ft. /2): 034
�' ���RED RDOF AREA DIVIDED SY 300 120
� 0.4
� ���R�D RDOP AREA DIVIDED BY SGR� y�yT q�,q
" 1.18
TOTAL VENTS REG�IIRED (ROUNDED UP):
2
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WELLER CONSULTING ENGINEERS P.C. ���, ������� ��� I �
2 I 925 8TF1 PL. W. BOTIIELL, WA 9802 I �" = I'-o°
425.488.9868 �►���$�`t���
ENGINEER REVIEW / 7.J/ ��--
Tt115 DRAWING t1AS BEEN REVIEWED PER '�
Tt1E ATTACIIED CALCULATIONS PRFPARED Project: ' "`�""—
BY WELLER CONSULTING ENGINEERS, P.C.
Plan:
B : � � �� � Freestone Companies
JOe: ��L__ DATE: ��` �l2 Date: 6820 20th Stt'eet E Suite A, Ffe WA 98424
VOID IF NOT WET SIGNED �/0��12 253.896.1300
—_ ..n.�... c.. _-�_ _
BeamChek v2009 licensed to:Weller Consulting Engineers,P.C. Reg#5234-65779
FREESTONE ROOF FRAMING
PORCH BEAM Date:6/07N2
Selectron 3-1/8x 12 GLB 24F-V4 DF/DF Lu=O.O Ft
Conditlons NOS 2005
Min Bearing Area R1=4.2 in' R2=2.0 i� (1.5)DL Defl= 0.23 in Recom Camber=0.35 in
Data Beam Span 12.0 ft ReacUon 1 LL 967 it Readion 2 LL 433#
Beam Wt per ft 9.11 # Reaction 1 TL 2721# Reaction 2 TL 1308#
Bm Wt Included 109# Maximum V 2721#
Max Moment 7618'# Max V(Reduced) 2312#
TL Max Defl L/240 TL Actual Defl L/487
LL Max Defl L/380 LL Actual Defl L/>1000
A ribu Section in Shear in TL Defl in LL De8
Actual 75.00 37.50 0.30 0.06
CritiCal 33.12 12.57 0.60 0.40
Status OK OK OK OK
Ratio 44% 34% 49% 15°�6
Fb si Fv si E si x mil Fc� si
Values Reference Values 2400 240 1.8 650
Ad'usted Values 2760 276 1.8 650
Ad/ustments Cv Volume 1.000
Cd Duration 1.15 1.15
Cr Repetitive 1.00
Ch Shear Stress N/A
Cm Wet Use 1.00 1.00 t.00 1.00
CI Stability 1.0000 Rb=0.00 Le=0.00 Ft
toad
Point TL Distance Par Unif LL Par Unif TL Start End
B=1680 4.0 250 H=400 0 4.0
50 1=80 4.0 12.0
I
H
Pt loads: B
� 0
R1 =2721 R2=1308
SPAN=1 Z FT
Unifortn and partial uniform ioads are Ibs per lineai ft.
BeamChek v2009 licensed to:Weller Consulting Engineers,P.C. Reg#5234-65779
FREESTONE ROOF FRAMING
PORCH BEAM Date:6/07/12
I cHon 3-1lSx 12 GLB 24F-V4 DFIDF Lu=0.0 Ft
Condi' n NDS 2005
Min Bearing Area R1=2.6 in' R2=2.8 in= (1.5)DL Defl= 0.46 in Recom Cambe�0.69 in
� Beam Span 20.0 ft Reaction 1 LL 1000 i� Reaction 2 LL 1000#
Beam Wt per ft 9.11 # Reaction t TL 1691# Reaction Z Tl 1691#
Bm Wt Inciuded 182# Maximum V 1891#
Max Moment 8456'# Max V(Reduced) 1522#
TL Max Defl L/240 TL Actual Defl L/288
LL Max Defl U 360 LLAdual Defl L!541
A ri ut Section in' Shear in TL Defl in LL Defl
ACtual 75.00 37.50 0.90 0.44
Critical 38.76 8.27 1.00 0.87
Status OK OK OK OK
Ratio 49% 22% 90% 87%
Fb si Fv si E si x mil Fc1 si
Values Reference Values 2400 240 1.8 650
Ad usted Values 2760 276 1.8 850
Adiustments Cv Volume 1.000
Cd Duration 1.15 1.15
Cr Repetitive 1.00
Ch Shear Stress N/A
Cm Wet Use 1.00 1.00 1.00 1.00
CI Stability 1.0000 Rb=0.00 Le=0.00 Ft
Loads Uniform LL:100 Uniform TL: 160 =A
Uniform Load A
0 0
R1=1691 R2=1691
SPAN=20 FT
Uniform and partial uniform loads are Ibs per lineal R.