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HomeMy WebLinkAboutSOLR-19-1010 i. ,a�f41 City of Arcadia, CA b , .PermitNO.SOLR-19-1010 �.�R,t�: Development Services Department Permit TypesSolar ' \`A 240 West Huntington Drive,Post Office Box 60021 r`'. Arcadia,CA 91066-6021 e Work Classification:Solar-Residential' (626)574-5416 _ - - Permit Status:Issued ARCADIA Issue Date:05/30/2019 1 Expiration: Addr NO. Dir Prefix Street Name Street Suffix Unit City,State,Zip Parcel Number {� 345 W Duarte RD Arcadia,CA 5778013016 1 Contacts 1 LI CHIN CHUANG Owner FREEVOLT USA INC* Contractor 345 W DUARTE RD 42005 COOK ST 310,PALM DESERT,CA 92211 (760)345-0080 1029455 Description:ROOF MOUNTED SOLAR SYSTEM 20 MODULES 1 Valuation: $ 0.00 Tenant INVERTER Total Sq Feet: 0.00 Plan Check# Plan# Fees Amount Payments Amount Paid Building Plan Check Fee Residential $50.00 Total Fees $308.24 Electrical Permit Issuance Fee $47.01 Cash/Receipt#REC-01376-19 $308.24 Fire Plan Check Fee Residential $50.00 Amount Due: $0.00 Inverters $77.78 Panels $82.45 Solid Waste Management Fee 2 $1.00 COMPLTDTotal: $308.24 isi/�Q CALLS FOR INSPECTIONS �-- DIS V�'jL JG� Request for inspection by telephone at 626-574-5450. Leave a message requesting the address,timeframe and what inspection item is needed. Eel/frit P AJt'I-' try This permit/plan review expires by time limitation and becomes null and � p void if the work authorized by the permit is not commenced within 180 days t 6/ from the date of issuance or if the permit is not obtained within 180 days 6- 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. May 30, 2019 Issued By: . Date May 30,2019 — Page 1 of 1 ,PAR v Wyvogy4`. _ „ . I s>sPERMIT/PLAN REVIEW APPLICATION ( :4 '43x' Development Services Department,240 West Huntington Drive,Post Office Box 60021 `mm „ar Arcadia, CA 91066-6021, (626) 574-5416,Fax (626)447-9173 City of Arcadia m�1 LICENSED CONTRACTOR'S DECLARATION WORKERS'COMPENSATION DECLARATION Fa 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 Professions Code,and my license is in full force and effect ❑ I have and will maintain a certificate of consent to self-insure for workers' License Class C'10 License o. lo4.445C! Exp. Date 1 I3'19 compensation, as provided for by Section 3700 of the Labor Code, for the performance of the work for which this permit is issued. ignature of Contractor `""" OWNER-BUILDER DECLARATION I have and will maintain workers'compensation insurance,as required by Section 13I hereby affirm under penalty of perjury that I am exempt from the Contractors 3700 of the Labor Code,for the performance of the work for which this permit License Law for the following reason(Section 7031.5,Business and Professions = is issued.My workers'compensation insurance carrier and policy numbers are: Code.Any city or county which requires a permit to construct,alter,improve, Carrier demolish,or repair any structure,prior to its issuance,also required the applicant Policy Number 0 n 4'; I Q 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 0 I certify that in the performance of the work for which this permit is issued,I shall exempt there from and the basis for the alleged exemption. Any violation of Section 7031.5 by any applicant for a permit subjects the applicant to a civil not employ any person in any manner so as to become subject to the workers' penalty of not more than five hundred dollars($500)): 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, forthwith comply with those provisions. ,and employees withtwages as theirs for p compensation,will do the work, the structure is not intended or offered for 5 3 0/� sale(Section 7044,Business and Professions Code:The Contractors License 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, am 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 HEREBY 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 Management District(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. Dame 'LOIlal 0F,ho 1 Title 11 PRINT NAME icertify 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. S.(agree to comply with all City ordinances and State Laws relating to building construction. I hereby authorize representatives of the City of A dia to enter upon the above-mentioned property for inspection purposes. pp Sig nature �4t J osee Date `5 /30 / 101 7 AFFIDAVIT SELF-CERTIFICATION FOR COMPLIANCE OF SMOKE ALARMS AND" CARBON MONOXIDEXALARMS Property Address: ., LIS VO 7)(&re-c l�Ot Permit Number seLg (1- ( ( O Brief Job Description: 2-'D`/c"e- Number of smoke alarms installed: 3 Number of carbon monoxide alarms installed: I 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.qov/licensinglistings/licenselistinq 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) S /2 I //6\ at Arcadia, California. Owner's Name (printed/typed): "� pp 1.-i • Ck Q h r(n Ut Ct 1v`L Signature of Owner: � C-Gln Ce 1 etvJ This affidavit must be returned to the City of Arcadia inspector prior to final inspection g. StiO E .Litt',' ND C'RBO'. •O' OXID. A= i ,•C' I! Guest Room a 4atLu Storage t4 ] Family Room \ • Garage • a FIRST FLOOR PLAN e= SMOKE ALARM ® = CARBON MONOXIDE ALARM Itmis Mstr Bath Pi Master Bedroom Dining Room Kitchen — Bath Hall Closet ~ Closet Closet Family Room — — Bedroom Bedroom SECOND FLOOR PLAN 0=SMOKE ALARM I = CARBON MONOXIDE ALARM * S _5 Loyd W. Martin Professional Engineer; Inc. 9924 Universal Boulevard #224-406 Orlando, FL 32819 Te1:1 .310.464.1804 Email: loydwmartin@gmail.com www.loydwmartin.com Structural Calculations for a Roof Mounted Solar Photovoltaic System for: Chuang 345 WestlDuarte Rde loEss/04, Arcadia, CA 91007 cco No. C58724 Applicable Codes: * Exp.3-31-21 ik sTq OF'C POQW% 2016 California Building Code, 2016 California Electric Code, — 2016 California Mechanical Code, American Society of Civil Engineers Standard ASCE 7-10 Minimum Design Loads for Buildings and Other Structures, 2015 American Forest & Paper Association, National Design Specification for Wood Construction, Local Municipal Code, and all other codes which are..,adopted Tbx;f cteiV9 ptttenacted by law. .r�" Assumed Design_ Para�f tel-s�: >>ti) l;,vt pcv ,,�>OZ�� u��smo5lhc The existing structure has�i�,grfeb til 9,idet�a'`q wilding permit and is in its g T� ti�l'L7 ea able of its code original condition. �S`����;t�:lrtht�'��tf,�© required live load ndoIlik Bili 'tjt,,+� !titbdf'stt� stare to support live loads 4 0� e ,a1� � �n:u��, tC` PP has not been substat�'{i'h y,redt)lec1,#�yi1t1i`W'�Agemjnhe structure, termites or am > >c• � ruc mold, or unauthorl2b Reli& $ i�q,r�s)td-'tt5e existing structure. Solar Energy Contractor shall m l e�,insfiethton of the existing roof framing system prior to installation of the°roof mounted solar energy system to verify that the existing roof is capable of supporting minimum roof live loads. Assumed Design Parameters: All 2x members are grade Douglas Fir #2 or better All 4x members are grade Douglas Fir #1 or better All Roof Connectors are Simpsons Strong-Tie or Equal All Concrete Foundations are fc = 2500 psi or stronger Original Structure was built to the Type-V Wood Framed Standards of the Applicable Building Code at the time of Construction. Sht # 1 of 6 2019-1580 Johnson Solar Chuang Li Residence Date: May 22, 2019 t S ti Loyd W. Martin Professional Engineer, Inc. 9924 Universal Boulevard #224-406 Orlando, FL 32819 Te1:1 .310.464.1804 Email: loydwmartin@gmail.com www.loydwmartin.com Note to Building Official: . Based upon a review of the proposed plans I am confident that the existing roof framing system is capable of safely supporting the additional loads caused by the solar photovoltaic energy system. The contractor . shall field verify that the existing roof structure is in its original permitted condition and verify that it can support the normal code required roof live loads. Attached in this package are several calculations showing that the roof members can support the additional weight of the solar array. Furthermore, an analysis of the solar array's support for wind forces and a seismic analysis of the existing structure are also included. Check 2x6 Rafters @ 24" O.C.*: wDL+LL r/////////////////////////////a w = 35.3psfx2ft. = 70.6plf 11 R1 R2 18' Total load on rafter = 70.6 plf x 18 ft. = 1,271 lbs �o9\0Essio4,, W. M� l Qi- 0 0 No. C58724 T KE.,xp.3-31-21CIV1t ��e. OF Cpl.er *Note: Contractor to Field Verify Framing Sht # 2 of 6 2019- 1580 Johnson Solar Chuang Li Residence Date: May 22, 2019 Loyd W. Martin Professional Engineer, Inc. 9924 Universal Boulevard #224-406 Orlando, FL 32819 Te1:1 .310.464.1804 Email: loydwmartin@gmail.com www.loydwmartin.com Check 2x6 Rafters (a, 24" O.C.: W LL 6 66 66 kin " wDL.LL = 35.3psf x2ft. = 70.6plf 9 9 R1 R2 18' 16.5' 1.5' Total load on rafter = 70.6 plf x 1.5 ft. + 30.6 plf x 16.5 ft. + ( 6' x 2.75' x 3 psf x 6 ) = 908 lbs < 1,271 lbs OK Check attachment of Support to Existing Structure for Wind Uplift CHECK SOLAR STRUCTURE ATTACHMENTS PER ASCE 7-10 COMPONENTS AND CLADDING METHOD 1 PART 2 FIGURE 30.5-1 THEREFORE CHECK ATTACHMENT FOR TYPICAL CRITICAL LOAD WHICH IS THE EDGE ZONE - ZONE 2 NOTE: PER DEFINITION ON SHEET 243 OF ASCE 7-10 EFFECTIVE WIND AREA: "FOR CLADDING FASTENERS THE EFFECTIVE WIND AREA SHALL NOT BE GREATER THAN THE AREA THAT IS TRIBUTARY TO AN INDIVIDUAL FASTENER." PER FIGURE 30.5-1 OF SHEET 346 ASCE 7-10 WIND SPEED 130 MPH okowESS/04,4 EFFECTIVE AREA = 15 SQ FT M. `� INTERPOLATION OF WIND UPLIFT FORCE: No. C58724 * Exp.3-31-21 Peet3o = -46.5 psf ' ' CIV IN- ? OF CAL\F0SL Sht# 3 of 6 2019-1580 Johnson Solar Chuang Li Residence Date: May 22, 2019 Loyd W. Martin Professional Engineer, Inc. 9924 Universal Boulevard #224-406 Orlando, FL 32819 Te1:1 .310.464.1804 Email: loydwmartin@gmail.com www.loydwmartin.com Check attachment of Support to Existing Structure for Wind Uplift - Cont'd Tributary Area to Each Solar Mount = 6 ft. x 2.75 ft. = 16.5 sq. ft. ( Max ) Calculate Uplift at each support: oQROFESS/p4, Pnet= A lcI Pnet30 Eq'n 30.5-1 ASCE 7-10 C`r ' W' 1 o f A = 1.35 Wind Speed 130 mph Exposure C & No. C58724 KZt = 1.0 * Exp.3-31-21 * I = 1.0 r �P Pnet3o = -46.5 psf �94-oF cn0*Q" Pnet= 1.35 x 1.0 x 1.0 x (-46.5 psf) = -62.8 psf Nominal (Unfactored) Uplift at each support = 62.8 psf x 16.5 sq. ft. = 1,036 lbs Note: Section 2.4.1 of ASCE 7- 10, Basic Load Combinations for Allowable Stress Design. Note: Applicable Load Combination #5 (D + 0.6W) Design (Factored) Uplift at each support = 0.6 x 1,036 lbs = 622 lbs Load per lag screw = 622 lbs / 2 = 311 lbs Determine allowable load per 5/16" lag screw w/ 2.5" embedment into wood below according to the 2015 NDS. W ' = WxCdxCt Table 10.3.1 2015 NDS where: W = 266 lbs / in. of embedment per Table 12.2A Cd = 1.6 per Table 2.3.2 of 2015 NDS Ct = 1.0 per Table 10.3.4 of 2015 NDS W ' = 266 lbs/ in. x 2.5 in. x 1.6 x 1.0 = 1,064 lbs > 311 lbs OK Use Support connected to 2x Min. Roof Member w/ (2) 5/16" x 3.5" lag screw per connection minimum. Sht# 4 of 6 2019- 1580 Johnson Solar Chuang Li Residence Date: May 22, 2019 Loyd W. Martin Professional Engineer, Inc. 9924 Universal Boulevard #224-406 Orlando, FL 32819 Te1:1 .310.464.1804 Email: loydwmartin@gmail.com www.loydwmartin.com Check Seismic load due to added dead load of photovoltaic system. Determine Seismic Weight of Existing Building: Effective Existing Seismic Weight Area of(E) Building = Approximately 2,400 sq. ft. Approximate Effective = 2,400 sq. ft. x 30 psf ave. = 72,000 LBS Seismic Weight DETERMINE BASE SHEAR V = Cs W EQ'N 12.8-1 ASCE 7-10 • Cs = SDS EQ'N 12.8-2 ASCE 7-10 [ R •l R = THE RESPONSE MODIFICATION FACTOR IN TABLE 12.2-1 R = 6.5 WOOD SHEAR WALLS le = 1.0 IMPORTANCE FACTOROokOFESS/p4, SpS = 2/3 x SMS EQ'N 11.4-3 ASCE 7-10 g No. C58724 t SMS= FA x SS EQ'N 11.4-1 ASCE 7-10 Exp.331-21 SMS= 1.0 x 1.5 = 1.5 P�q4'Of c AI V 1\ O���Q L\F SDS = 2/3 x 1.5 = 1.0 1.0 Cs = [6.5] = 0.154 EQ'N 12.8-2 ASCE 7-10 1 Sht# 5 of 6 2019-1580 Johnson Solar Chuang Li Residence Date: May 22, 2019 • Loyd W. Martin Professional Engineer, Inc. 9924 Universal Boulevard #224-406 Orlando, FL 32819 Te1:1 .310.464.1804 Email: loydwmartin@gmail.com www.loydwmartin.com EXISTING BASE SHEAR V = 0.154 x 72,000 LBS = 11,088 LBS EQ'N 12.8-1 ASCE 7-10 DETERMINE NEW BASE SHEAR Determine Seismic Weight of Building with Solar Array: EXISTING SEISMIC = 72,000 LBS WEIGHT NEW SOLAR ARRAY = 3 PSF x 20 PANELS x 3.3' x 5.5' = 1,089 LBS NEW SEISMIC = 72,000 LBS + 1,089 LBS = 73,089 LBS WEIGHT THEREFORE NEW BASE SHEAR: V = 0.154 x 73,089 = 11,256 LBS EQ'N 12.8-1 ASCE 7-10 11,256 LBS - 11,088 LBS CHANGE = 11,088 LBS x 100 = 1.5 % < 10% OK OK. PER ASCE 7-10 SECTION 11.6.4 ALTERATIONS EXISTING LATERAL FORCE RESISTING SYSTEM IS EXEMPT FROM ANALYSIS SINCE NEW SEISMIC FORCE IS LESS THAN 10% GREATER THAN EXISTING SEISMIC FORCE. eOF558/ 'Alterations are permitted to be made to any structure without requiring the � o0 M r���c existing structure to comply with this standard provided the alterations comply •� R with the requirements for a new structure. Alterations that increase the No. C58724 seismic force in any existing structural element by more than 10 percent or * Exp.3 31-21 �� decrease the design strength of any existing structural element to resist s seismic forces by more than 10 percent shall not be permitted unless the f9 c.13: 21 I �� OF CAI entire seismic force-resisting system is determined to comply with this standard for a new structure." End of Calculations Sht# 6 of 6 2019-1580 Johnson Solar Chuang Li Residence Date: May 22, 2019 • 5 ' Loyd W. Martin Professional Engineer, Inc. 9924 Universal Boulevard #224-406 Orlando, FL 32819 Te1:1 .310.464.1804 Email: loydwmartin@gmail.com www.loydwmartin.com Determine Loading on Roof Rafters �oQROFESS/pNq( Dead and Live Loads without Panels: y":o� ' M � Flat Tile Roofing = 8.0 psf No. C58724 1/2 Sheathing = 1.5 psf Exp.3-31-21 \P Rafters @ 24" O.C. = 1.0 psf F T9rFpCA061%� 5/8" Drywall = 3.1 psf Misc. / Insul = 1.0 psf Dead Load = 14.6 psf w/ DL Corr. (1.05) = 15.3 psf Live Load = 20.0 psf Total Load = 35.3 psf Dead Loads with Panels: Flat Tile Roofing = 8.0 psf 1/2 Sheathing = 1.5 psf Rafters @ 24" O.C. = 1.0 psf 5/8" Drywall = 3.1 psf Misc. / Insul = 1.0 psf Dead Load = 14.3 psf w/ DL Corr. (1.05) = 15.3 psf Total Load = 15.3 psf Solar Array = 3.0 psf (Note: Solar Loads are point loads on members) Total Load with Solar Array = 18.3 psf < 35.3 psf OK Sht#R1 2019-1580 Johnson Solar Chuang Li Residence Date: May 22, 2019