HomeMy WebLinkAboutUntitled ITO ' City of Arcadia, CA , , Permit NO.SOLR-19-1268
Viti ,1 Development Services Department I D „ ham) �4.-----I `^1 • Permit-Type;Solar
..a !!! . 240 West Huntington Drive,Post Office Box 60021 _i -i ` J 11 1 I • ' _
<" Arcadia,CA 91066-6021 La ' cs-�J '. �Wo,kL Classification:Solar-Residential Over 10 KV
1 (626)574-5416 ` ' - Permit Status:Issued
ARCADIA Issue bate:01/02/20191 Expiration: 12/29/2019
Addr NO. Dir Prefix Street Name Street Suffix Unit City,State,Zip Parcel Number
308 Walnut AVE Arcadia,CA 5787006023
Contacts
SOLARMAX RENEWABLE ENERGY Owner LIU,MING Y AND SHA E TRS MING Y AND Contractor
PROVIDER INC` SHA E LIU TRUST
3080 E 12th,Riverside,CA 92507 308 WALNUT AVE
(951)300-0788
Description:ROOF MOUNT PV SYSTEM, 2 INVERTERS/39 Valuation: $ 0.00 Tenant
MODULES,TWO LOAD CENTERS 100 AMP/200 AMP
Total Sq Feet: 0.00 Plan Check 4 Plan 4
Fees Amount Payments Amount Paid
Building Plan Check Fee Residential $50.00 Total Fees $418.98
Distribution Panel $32.96 Cash/Receipt 4 REC-01721-19 $418.98
Electrical Permit Issuance Fee $47.01
Fire Plan Check Fee Residential $50.00 Amount Due: -
$0.00
Inverters $155.56
Panels $82.45
Solid Waste Management Fee 2 $1.00
Total: $418.98 v/,0 ,�
CPdllSPECTIONS
rs „Q,L -17 o� Request for inspection by telephon -574-5450. Leave a message
requesting the address,timeframe and what inspection item is needed.
%a'/va S/96/49 PSK
This permit/plan review expires by time limitation and becomes null and
A-PFLPavar_ void if the work authorized by the permit is not commenced within 180 days
from the date of issuance or if the permit is not obtained within 180 days
from the date of plan submittal.This permit expires and becomes null and
void if any work authorized by this permit is suspended or abandoned for 180
consecutive days or if no progressive work has been verified by a City of
Arcadia building inspector for a period of 180 consecutive days.
July 02,2019
Issued By: Date
July 02,2019 Page 1 of 1
OF R
40.1.1E05%tO t
4 >: 1 PERD✓III/PLAN REVIEW APPLICATION
41*' Development Services Department,240 West Huntington Drive,Post Office Box 60021
Arcadia, CA 91066-6021, (626) 574-5416,Fax(626) 447-9173
City of
Arcadia
LICENSED CONTRACTOR'S DECLARATION WORKERS'COMPENSATION DECLARATION
❑ I hereby affirm under penalty of perjury that I am licensed under provisions of I hereby affirm under penalty of perjury one of the following:
Chapter 9(commencing with Section 7000,of Division 3 of the Business and
• ' ofessions Code,a my icense is in full force and effect. /' ppp0 I have and will maintain a certificate of consent to self-insure for workers'
•icense ClasPr License Not72d l<01 Ex Date Se ° compensation, as provided for by Section 3700 of the Labor Code, for the
s, Performance of the work for which this permit is issued.
Srgnature of Contractor
OWNER-BUILDER DECLARATION I have and will maintain workers'compensation insurance,as required by Section
❑ I herebyaffirm under penaltyof perjury that I am exempt from the Contractors 3700 of the Labor Code,for the performance of the work for which this permit
P 9 ry P �.�� is issued.My worggkers'compensation insurance carrier and policy numbers are:
License Law for the following mason(Section 7031.5,Business and Professions �.7� � �
Code.Any city or county which requires a permit to construct,alter,improve, '1 Carrier / 1 /�
demolish,or repair any structure,prior to its issuance,also required the applicant •1c Policy Number *7''a -9l
for such permit to file a signed statement that he or she is licensed pursuant to the (This section need not be completed if the permit is for one hundred dollars or less)
provisions of the Contractors License Law(Chapter 9(commencing with Section
7000)of Division 3 of the Business and Professions Code)or that he or she is
exempt there from and the basis for the alleged exemption. Any violation of certify that in the performance of the work for which this permit is issued,I shall
Section 7031.5 by any applicant for a permit subjects the applicant to a civil 1 111not employ any person in any manner so as to become subject to the workers'
penalty of not more than five hundred dollars($500)): l 1 Compensation Laws of California,and agree that if I should become subject to the
workers'compensation provisions of Section 3700 of the Labor Code,I shall
❑I, as owner of the property, orthwith comply with those provisions.
or my employees with wages as their sole
compensation,will do the work,and the structure is not intended or offered for
sale(Section 7044,Business and Professions Code:The Contractors License Date Signature
Law does not apply to an owner of property who builds or improves thereon,
or who does such work himself or herself or through his or her own
employees,provided that such improvements are not intended or offered for WARNING: Failure to secure Workers'Compensation coverage is unlawful,
sale.If,however,the building or improvement is sold within one(1)year of and shall subject an employer to criminal penalties and civil fines up to one
completion,the owner-builder will have the burden of proving that he or she hundred thousand dollars($100,000),in addition to the cost of compensation,
did not build or improve for the purpose of sale). damages as provided for in Section 3706 of the Labor Code, interest, and
attorney's fees.
❑I, as owner of the property, are exclusively contracting with licensed
contractors to construct the project(Section 7044, Business and Professions
Code:The Contractors License Law does not apply to an owner of property CONSTRUCTION LENDING AGENCY
who builds or improves thereon,and who contracts for such projects with a I hereby affirm under penalty of perjury that there is a construction lending agency
contractor(s)licensed pursuant to the Contractors License Law). for the performance of the work for which this permit is issued (Section 3097,
Civil Code).
❑ I am exempt under Section 7044,Business and Professions Code,for this reason:
Lender's Name
Date _ Signature Lender's Address
IMPORTANT: APPLICATION IS HEREBII MADE TO THE BUILDING OFFICIAL FOR A PERMIT SUBJECT TO THE CONDITIONS AND
RESTRICTIONS SET FORTH ON THIS APPLICATION AND THE FOLLOWING:
1. The City's approved plans and permit inspection card must remain on the job site for use by City inspection personnel.
2. Final inspection of the work authorized by this permit is required.A Certificate of Occupancy must be obtained prior to use and occupancy of new buildings
and structures.
3. Per South Coast Air Quality ManagementDistrict(AQMD)regulations,renovation and remodeling work that results in the removal,stripping,or altering
of asbestos containing materials requires an asbestos survey and removal prior to disturbing the asbestos. Please contact AQMD at(909) 396-2000 for
further information.
Name ,9" ' ICC.- Title
PRINT AME
I certify that I have read this application and state that the above information is correct and that I am the owner or duly authorized agent of the owner.
I agree to comply with all City ordinances and State Laws relating to building construction. I hereby authorize representatives of the City of
Arcadia to enter upon the above-mentioned property for inspection purposes.
tNS ature � y Date � 7
, ,
sffilmal
/ DRIVEWAY Front Of Residence DRIVEWAY --se'
308 WALNUT AVENUE UMPCRm
Ex, E
- 4.416 um E RmvfEnv¢
PRIOE CANT?'
NT.
(E)CHIMNEY \` \/' , t roc t-n ite.
o'n2I2�
, manta
NEW 200A LOAD CENTER NEMA-3R \ / _
T
INISDE OUTDOOR CLOSET�® a, /� , aim
NEW 100A UNFUSED AC C`
DISCONNECT 240V NEMA-3R ..:�'a°.°�R
R 4 , ❑ -
-,°la y., , ✓Blyr to
HSU
INSIDE OUTDOOR CLOSET l' o C. 00¢R'SEN xw
FI UC.HOLDER'S SIG.
(E)400A SPLIT BUS MAIN PANEL N I
EXLSTING 200/150A MAIN Pi
SERVICE PANEL 240V 1PH TOP I
FED&UTILITY METER R
—1.R1A3 y (E)MAIN HOUSE I ❑
Al I D
LI
// III kJ w
(N)SOLAR ARRAY
_.--'--9---(...
.,e.i." •��•• "`" •'a\T� NEW IO2ALOY BOX �g f=$a E�
Fin_ 4 ,, G 0 FJ •••• u I U N J
I I =o
DRIVEWAY 1 - A�—�'. (E)CHIMNEY �y$W�3�
I Ir
0 � I ° �
`/` I INSIDE GARAGE
NEW SE7600H-USOOONNV2 INVERTER e
a.
(N) PV CONDUIT TO BE RUN WITHIN DR1'EN7AY INSIDE GARAGE
EAVE AND HIDDEN FROM VIEW. NEW SE6000H-US INVERTER m
CONDUIT TO BE PAINTED TO MATCH °"""'
THE EXISTING SURFACE. INSIDE GARAGE an .=°°
IPV MODULES LG13SNlC A5 . NEW IOOA LOAD CENTER NEMA-3R . 2Sn,2
PV MODULE QTY. 39 umw
PITCH 26
.....
AZIMUTHS 100 270
MATERIALN�ximmm2
MATERIAL 2CONC STORYFLAT-TILE
LAYOUT PLAN ..
STORY STORY SCALE:3/32*a 1'-0' Ns
....
INVERTER SE7600H-USOOONNV2
`INVERTER QTY 2 SP
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AFFIDAVIT SELF-CERTIFICATION
FOR COMPLIANCE OF SMOKE ALARMS
AND CARBON MONOXIDE ALARMS
Property Address: 3v 4 { u 7 M-V& 'Th 6O/x,6, ei�,9(oo9
Permit Number:
Brief Job Description: O(1a par -T4K7O -(
Number of smoke alarms installed:
Number of carbon monoxide alarms in tailed;
When alterations, repairs or additions requiring a permit occur, or sleeping rooms are created,
Smoke alarms shall be installed in each sleeping room, and outside each separate
sleeping area in the immediate vicinity of the bedrooms, and on each additional story of the
dwelling, including basements and habitable attics as required by Section R314 of the 2016
California Residential Code (CRC) and California Health and Safety Code Section 13113.7.
For dwellings or sleeping units containing fuel burning appliances or having attached
garages, carbon monoxide alarms shall be installed outside each separate sleeping
area in the immediate vicinity of the bedrooms, and on each additional story of the
dwelling, including basements as required by Section R315 of the of the 2016 California
Residential Code (CRC).
Multi-purpose alarms (combination carbon monoxide and smoke alarms) may be used.
All alarms shall comply with requirements for listing and approval by the Office of the State Fire
Marshal. http://osfm.fire.ca.aov/licensinglistingsllicenselistinq bml searchcotest.php
As owner of the above referenced property, I hereby certify that the smoke alarms and carbon
monoxide alarms have been installed in accordance with the manufacturer's instructions and in
compliance with the code sections referenced above.
I declare under penalty of perjury that the foregoing is true and correct, and that this
declaration was executed on (Date) at Arcadia, California.
Owner's Name (printed/typed): /14roan Li q/
Signature of Owner: i/ ! ..
This affidavit must be returned o the City of Arcadia inspector prior to final inspection
SMO . - A "'Ml .N' CAR;:m' IONOXID _ _AR', OCATIO • }
GuestItoont c �Batlu•oo
U Storage
o
. fl
.
Family Room
Garage
d
FIRST FLOOR PLAN •
e= SMOKE ALARM I = CARBON MONOXIDE ALARM
gMstr
L t3alh
P, Master Bedroom
Dining Room Kitchen
Bath
I WI
Halld fi Closet
Closet I Closet
Family Room
Bedroom Bedroom
SECOND FLOOR PLAN
6=SMOKE ALARM ® = CARBON MONOXIDE ALARM
5 -
CALCULATIONS FOR SOLAR PHOTOVOLTAIC PANELS:
Owner: SHAENGSHU LIU
Address: 308 Walnut Ave, Arcadia, CA 91007
INDEX TO CALCULATIONS
Sheet Item
1-2 Seismic parameters and determination of Fp
3 design loads, roof member check, wind uplift check, deflection
4 attachment check, rail span check
5 lateral check
Engineering Calculations Performed By:
Doug Engineering
20271 Lighthouse Lane, Huntington Beach, CA 92646
949-285-5104
Engineering Calculations For:
Solar Max Renewable Energy Provider, Inc.
3080 12th Street, Riverside, CA 92507
(951) 300-0788
Project Number: SMX-5629
Date: 6/27/2019
OP O y j,S M.4y0 e
BASIS FOR DESIGN p,y r
CODE: 2016 California Building Code C69163 ° m
ASCE 7-10 EXP.06.30.2020 s
LIVE LOADS
ROOF 20.0 psf
SNOW 0.0 psf "Q ALS
WIND
Wit."`,,•,'.. ''%=.%
Exposure C Figure 30.5-1 -Components and Cladding
Vas 110 mph Table values are multiplied
I„ 1 by I `tl . \. `
1 1 =
a 3 ft `l�, �)
Pnet= I x Ke x Iw C.` AN‘•�.��,1�\��'��"O�oz`,o� Q���;30-. fi .
1.21 1 t'r . ��\ �� "b•-.Nc`` "�\,L``\"O�``�``y' \,``off •
;.
Roof slope = 26 degrees \S c `o �y
Amb= 20 sf =' \2" . ' �6:xs. \\\�c ``t\.
Zone 1 Pnet3o= -23.5 psf(inte�io zoneskS ,til p`Qtias tAl'h .Ega% `Ao "`‘cto
Zone 2 p ec3o= -38.6 psf(end z,nes) Et,( V ZRNe 2\VeNe c,`o �J``
Zone 3 Pne3o= -58.0 psf(Corner`Zone th0 . s.L \°\ �,�\y°
Downward for altzones 13.8 psf J • * y\� \.°`��` oo`\��` ��\•
`��\
b�V`ooj\\°` 7
5
2016 CALIFORNIA BUILDING CODE
Soil Site Class = D
Seismic Use Group = I
SS = 2.568 Mapped Spectral Response acceleration in short periods
S1 = 0.979 Mapped Spectral Response acceleration at one second periods
Table 1613.3.30)
Values of Site Coefficient Fa
SITE CLASS SS<0.25 SS=0.5 SS=0.75 SS= 1.0 SS>1.25
A 0.8 0.8 0.8 0.8 0.8
B 1.0 1.0 1.0 1.0 1.0
C 1.2 1.2 1.1 1.0 1.0
b 1.6 1.4 1.2 1.1 1.0
E 2.5 1.7 1.2 0.9 0.9
F - - - - -
Fa= 1.000 (interpolated) SMS= Fa*SS= 2.568
Table 1613.3.3(2)
Values of Site CoefficientFv
SITE CLASS S1< 0.1 S1_=0.2 S1=0.3 S1=OA 51>0.5
A 0.8 0.8 0.8 0.8 0.8
B 1.0 1.0 1.0 _ 1.0 1.0
• C 1.7 1.6 1.5 1.4 1.3
D 2.4 2.0 1.8 1.6 1.5
E 3.5 3.2 2.8 2.4 2.4
F - - - - -
Fv= 1.500 (interpolated) SM1 = Fv*S1 = 1.469
SDS=2/3*SMS= 1.712 SD1 =2/3*SM1 = 0.979
SDS Seismic Use Group SD1 Seismic Use Group
> _ I I II 1 ill > I 1 II I Ill
0 A A A 0 A A A
i 0.167 B B C 0.067 B B C
0.33 C C D 0.133 C C D
0.5 D D D 0.2 D D D
Seismic Design Category= E
1
2016 CALIFORNIA BUILDING CODE
Seismic Use Group = I
Seismic Design Category = E
I = 1
SS = 2.568
S1 = 0.979
SMS = 2.568
SM1 = 1.469
R = 6.5
Height = 11.375
T=0.035*hn^.75 = 0.21679
r(Reliability/Redundancy Factor) = 1
SDS = 1.712
SDI = 0.979
(ASCE 7-10 12.8-2) V=SDS/(R/I) = 0.2634 W
(ASCE 7-10 12.8-3) V<= SD1/[(R/I)T] = 0.695 W
(ASCE 7-10 12.8-5) V>= .01 = 0.01 W
If S1>0.6g
(ASCE 7-10 12.8-5) V>= 0.5*S1/[R/I] = 0.075 W
V(controls) = 0.2634 W
Determine Fp for seismic loading on attachments
Seismic Load on Nonstructural Components
Spacing of attachments 5.33 ft
Tributary width of attachments= 1/2 Panel length— 32.5 in
At,= 14.4 ft`
PV unit weight including racking= 3 ps
Wp= 43.30625 lb
Other mechanical/electrical compone
ap= 1 Fp=0.4apSDS*Wp/(Rp/Ip)(1+2z/h) 59.31 lb
Rp= 1.5
1p= 1 Fp<= 1.6SDS`IpWp 118.62 lb
SDS= 1.712
Wp= 43.30625 lb Fp>=0.3SDS•IpWp 22.24 lb
z= 12 ft
h= 12 ft
2
1
•
PROJECT: PV Panels for SHAENGSHU LIU SHEET: 3 OF 5
CLIENT: Solar Max Renewable Energy Provider,li DATE: 6/27/2019
BY: Doug Engineering DE JOB NO.: SMX-5629
DESIGN LOADS
Dead Loads Uplift
Roof --� 0.6WL
COE 9.0 Dsf Pwmmi = 23.5 psf 14.1 psf, MIN 10 PSF
5/8"Ply shtg 1.9 Pupinn2= 38.6 psf 23.2 psf
Rf Frm'g 2.8 PwLdown= 13.8 psf 10 psf, MIN 10 PSF
Misc. 1.5 Uplift 0.6DL+0.6WL
(N) PV System 3.0 Zone 1 0.6*3-14.1 -12.3 psf
Zone 2 0.6`3-0.6`23.2 -21.4 psf
Total DL 18.2 psf Downward DL+0.6WL
LL 20.0 psf PoL+wL= 13.0 psf
SNOW 0.0 psf
Rafter Check
Existing 2x10 RAFTERS @ 16"
Spacing---r 1. 33- ft Trib panel width= 5.33 ft
E 1500000 psi Fb= 900`1.1`1.15 1138.5 psi
98.9 inA4 MaDo.vrmd= 3247 ft-lb
Span1 16.00 ft Mauowts= 2537 ft-lb
Span2 0.00 ft See below for Wind Uplift loads
Span3 0.00 ft due to concentated loads at attachments
Span4 0.00 ft
(Distance Wind Mmax Wind P=
to Att. Load Trib W Uplift wind(ft- Down PVDL P=DL+WL
Pts) a b R1 (Ib) R2(lb (psf) (ft) (Ib) Ib) (Ib) (Ib) (Ib)
0.00
1 1.00 1.00 15.00 -313.8 -20.9 -23.2 5.3 -334.7 -314 144.27 43.3 187.5
2 4.41 4.41 11.59 -147.3 -56.1 -14.1 5.3 -203.4 -650 144.27 43.3 187.5
3 6.41 6.41 9.59 -121.9 -81.5 -14.1 5.3 -203.4 -782 144.27 43.3 187.5
4 9.83 9.83 6.17 -78.5 -124.9 -14.1 5.3 -203.4 -771 144.27 43.3 187.5
5 11.83 11.83 4.17 -53.1 -150.4 -14.1 5.3 -203.4 -627 144.27 43.3 187.5
6 15.24 15.24 0.76 -9.7 -193.8 -14.1 5.3 -203.4 -147 144.27 43.3 187.5
16.24
Span 1 Uniform DL 16.00 97.3 97.3 9.1 psf 1.3 12.2 plf 389.1
Reactions at Span1 -564.2 -186.2 Negative values are uplift reactions
Mmaxwindup= 1551 ft-lb<3247 ft-lb OK
Mmaxwinddown= 2801 ft-lb<3247 ft-lb OK
For DL+LL including the PV system weight point loads w= 46.9 plf P= 43.3 lb
Mmax= 1998 ft-Ib<2537 ft-lb OK
Deflection Check
DDL=5wL4/(384EI) (5"18.2.161'4)9728 = 0.241 in = L/ 796.2 OK
384`1.5E6`98.9
PROJECT: PV Panels for SHAENGSHU LIU SHEET: 4 OF 5
CLIENT: Solar Max Renewable Energy Provider,Inc. DATE: 6/27/2019
BY: Doug Engineering DE JOB NO.: SMX-5629
CHECK SCREW ATTACHMENTS FOR WIND UPLIFT
P Prs= 334.7 lb 5/16"Lag with min 2.5" penetration for each attachment
Table 11.2A-NDS-Lag Screw Withdrawal Values
For 5/16"Lag into .5G wood 266 lb
Allowable wind load= 1.6'2.5'266 1064 lb > 334.7 lb OK
CHECK SCREW ATTACHMENTS FOR SHEAR DUE TO SEISMIC Fp
Fp= 59.31 lb
Roof slope/module tilt 26 deg
Shear= Fp*cos( 26 )= 53.3 lb \ Fp sin(ang)
Tension= Fp'sin( 26 )= 26.0 lb
Fp cos(ang)
Table 11K-NDS Z= 190 lb
CD= 1.6
Z'= Z'Co= 304 lb> 53.31 lb OK Withdrawal capacity W= 1064 lb
Interaction Equation fl/Fl+f)F„ 0.339 + 0.175 = 0.514 < 1 OK
RAIL SPAN CHECK
Everest Railing Check
Load for half a panel=2.7'
w= 57.78 plf
Per the Everest Engineering for 110 mph and 0 psf snow,the max span
for Crossrail48-X is 88"and 72"and 59"for Zones 2 and 3
Use Crossrail48-X PV Rails with a spacing of 64"o.c. max for attachment points,typ.
Table 2.171 Maximum ban With lull-Wind Exposure C Cm6Won
hpawre Ree1WRnd Pana.lana 1 Reel Wind Pressure len.2 Rool Wind Pana Zane3
OhMat.WNfi RAI Roof Snow 1344 IRO Roof'Snow toad IPS Roof 5n0w 1044 1331
C Speed.V lniM1f Type
0 10 I 20. ]0. 0 10 I 20 c 30: 60 /0 0 10 I 20 30 ]o
® %fA !444!a 118 97 el 22 W 59 55 lib: W 81 Il_=64 59 -55_ 96 96__81 - W 59- 55=
48-0 88 50 66 55 48 43 49 3l 72 66 63 48_ 43 40 _3l 59 59 -55 43 43.• 40 435;5-
48-X
08 00 66 55 IB 43 10 3] ]l R 66 55 48 43 - 3] 59 59 59 55 IB 43 40 3]
Y4
115 48%L -9z--,B8 03
4&% 85 ]8 65 55 48 43 40 37 68 66 65 55 48 43 40 37 56 55 56 55 48 43 40 37
,1180
110 X %3_93_ 66 61-X64_ 55_49 45„ 42_ -73__72_61_55,-J9„ 45_R_ -59- 59_ -58-5 -.55-93_
9- 45-_3-
48-3 83 7765 64 55 48 43 40 37 65 65 64 55 48 43
40 37 54 54 54 54 48 43 40 37
Ib0
4B%3 X8- 49_
3M 14060 1
75 64 55 -- 4337 60 08 9601 55 43 43 40 37 13 49 49 19 48 43 40 37
•
0 140 18- _84 61 _61 54_ 44 �43 40 _32 _56_6l. _62 54_-43 43 4 _3]- _43 46 �46 46 46__49 _40 _33
- 16%3 24 71 61 54 44 43 40 3756 56 35 54 43 43 50 35 46 46 46 46 41 40 55
° I11 108 9164_ - 7253_.555 -- 85 35 BO 7
i 64 59 _55 _]070 70 70 70 70 y61_ 59 _55
8 483 9 9 60 SI_ 48 49 40 _3z 52_2__52_ 52 48 43 _40_ 3 43 43 4_ 43 43 40__4l
69 48
69 !O SI 48 43 40 ]] 52 52 52 5243 40 37 43
43 43 43 43 43 4340 3l
I® 305 105 e9_ RO_. ]3 64__58 55 _80 ®_ G, 00 -]3 _64 59- 55 65 65 65 65 65_ 64 _59 42
43 43_:4 _32 43 -49
48% 65 55 58 52 a6 43 40 37 49 49 49 49 47 43 40 37 40 40 40 40 40 40 40 37
•
• ,
PROJECT: PV Panels for SHAENGSHU LIU SHEET: 5 OF 5
CLIENT: Solar Max Renewable Energy Provider, Inc. DATE: 6/27/2019
BY: Doug Engineering DE JOB NO.: SMX-5629
LATERAL ANALYSIS
DETERMINE ADDITIONAL LOAD COMPARED TO EXISTING FOR LATERAL LOADING
Aroofexisting = 4714 sf Wpanei= 40.1 lb
Wraataxisting= 15.2'4714 = 71653 lb 39 *Wpanei = 1564.7 lb
Wwanexisting= 15`80'4 = 4800 lb Wrestofarray= 494.52 lb
Wexisting= 76453 lb Warray= 2059.2 lb
V= 0.263 W
Vrootexisting= 20107 lb Existing Total Lateral Force
Vrootwpaneis= 20649 lb New Total Later Force
%increase= 20649 ' increase which results in less than a 10%increase in the
20107 '100%-100%= _ stress of existing lateral resisting elements OK