No preview available
HomeMy WebLinkAboutUntitled $1441 City of Arcadia,CA Permit NO SOLR-19-2438 • i Development Services Department © L- ^f'"^Y^..�'-„"t '�� Permit Type Solar 240 West Huntington Drive,Post Office Box 60021 7 .0 ). t� 9 rib r a” 5 Arcadia,CA 91066-6021 t fit b j I' -Work Closs fication SDlar Residential (6zc)s7a-sa16 J fm 1—b, . t„ ' T -� ,' - ' c tPermrt5tatus:Issued- ARCADIA issue;Dat_e:12/05/2019 Expiration: 06/02/2020 Addr NO. Dir Prefix Street Name Street Suffix Unit City,State,Zip Parcel Number 1025 5 SIXTH AVE Arcadia,CA 91006-4310 5780007022 Contacts Xuelin Hu Owner SOLAR POWER SUPPLY* Contractor 1 1025 S 6th 2175 SAMPSON AVE 113,CORONA,CA 92879 r (951)338-8060 Ir 1008748 Description:ROOF MOUNT PV SYSTEM, 14 MODULES/1 i Valuation: $ 0.00 Tenant - INVERTER,NEW 125 AMP SUB PANEL t Total Sq Feet: 0.00 - Plan Check# Plan# Fees Amount Payments Amount Paid Building Plan Check Fee Residential $50.00 Total Fees $324.72 Distribution Panel $16.48 Cash/Receipt#REC-03262-19 $324.72 Electrical Permit Issuance Fee $47.01 Amount Due: $0.00 Fire Plan Check Fee Residential $50.00 Inverters $77.78 ' Panels $82.45 Solid Waste Management Fee 2 $1.00 'Total: $324.72 1 COM I INSPECTIONS roklis-Li-yN Request for inspection by telephone at 626-574-5450. Leave a message requesting the address,timeframe and what inspection item is needed. 4 smoa 41, 0004 646 0,008r AJ ^�,, '� G This permit/plan review expires by time limitation and becomes null and ,4. ,s Gl v ['Ea./ 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 Vg.(FtED Al- J 05 S a , 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. December 05, 2019 Issued By: Date December 05,2019 Page 1 of 1 milin PERMIT/PLAN REVIEW APPLICATION l� T, :EDr Development Services Department, 240 West Huntington Drive,Post Office Box 60021 Q., "'”c " Arcadia, CA 91066-6021, (626) 574-5416,Fax (626) 447-9173 City of Arcadia LICENSED CONTRACTOR'S DECLARATION WORKERS'COMPENSATION DECLARATION II;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,and my license is in full force and effect. I ❑ 1 have and will maintain a certificate of consent to self-insure for workers' License Class Lice ..IUO�"1U� Exp. Date‘1/4I301 l compensation, as provided for by Section 3700 of the Labor Code, for the `1 I performance of the work for which this permit is issued. (:SSignature of Contractor OWNER-BUILDER DEC ARATION ❑ I have and will maintain workers'compensation insurance,as required by Section ❑ i;h reby 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 - is issued.My workers'gompensation insurance carrier and policy numbers are: License Law for the following reason(Section 7031.5,Business and Professions Code.Any city or county which requires a permit to construct,alter,improve, Carrier AcQ! .".3 °%t?..!F-1i demolish,or repair any structure,prior to its issuance,also required the applicant r'''''''-'61t ''"""" `��7,!� "Fl--'6 for such permit to file a signed statement that he or she is licensed pursuant to the Policy Number �Z'V7"V �- 7� provisions of the Contractors License Law(Chapter 9(commencing with Section (This section need not be completed if the permit is for one hundred dollars or less) 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 ❑ I 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 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,rshall ❑I, as owner of the property, or my employees with wages as their sole tfoc h)with comply with those provisions. compensation,will do the wbrk,and the structure is not intended or offered for -r f 1\I 3a' 10, Signature sale(Section 7044,Business and Professions Code:The Contractors License '-Date g 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' / on coverage is unlawful, sale.If,however,the building or improvement is sold within one(I)year of and shall subject an employer to criminal :•nalties and civil fines up to one completion,the owner-builder will have the burden of proving that he or she hundred thousand dollars($100,000),in addition to the cost of compensation, did not build or improve for the purpose of sale). damagesas provided for in Section 3706 of the Labor Code, interest, and attorney's fees. 0 I, as owner of the property, am exclusively contracting with licensed contractors to construct the project(Section 7044,Business and Professions Code:The Contractors License Law does not apply to an owner of property CONSTRUCTION LENDING AGENCY who builds or improves thereon,and who contracts for such projects with a I hereby affirm under penalty of perjury that there is a construction lending agency contractor(s)licensed pursuant to the Contractors License Law). for the performance of the work for which this permit is issued (Section 3097, Civil Code). 0 I am exempt under Section 7044,Business and Professions Code,for this reason: Lender's Name Date Signature i Lender's Address IMPORTANT: APPLICATION IS HEREBY MADE TO THE BUILDING OFFICIAL FOR A PERMIT SUBJECT TO THE CONDITIONS AND RESTRICTIONS SET FORTH ON THIS APPLICATION AND THE FOLLOWING: I. The City's approved plans and permit inspection card must remain on the job site for use by City inspection personnel. 2. Final inspection of the work authorized by this permit is required.A Certificate of Occupancy must be obtained prior to use and occupancy of new buildings and structures. 3. Per South Coast Air Quality Management District(AQMD)regulations,renovation and remodeling work that results in the removal,stripping,or altering of asbestos containing materials requires an asbestos survey and removal prior to disturbing the asbestos. Please contact AQMD at(909) 396-2000 for further information. m•I$ t 1iame '( ?Q I C VJ Title t: PRINT NAME heftily 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. Ii'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 th I 1 we-mentioned property for inspection purposes. fftp /9 J Signaturelli Date ` �/ '.....s..„, p er m 4 is 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: Xu Hungying Residence �aQ�oF� Esso, 1025 6th Ave., a .o Arcadia, CA 91006 g No. cea2a `,k` * Exp.3-31-21 Applicable Codes: ':3 sr9 c,v,t ��.Q *0‘7 .....-.:' �.,7.....-.:' . SOF cAL 2016 California Building Code, 20 California Electric Code, 2016 California Mechanical Codi, 4m`#tican� gi..fo ;ety of Civil Engineers Standard ASCE 7-10 Minimume RhLoacdeButldings and Other Structures, 2015 Americart.Fo �t tie er,Association, National Design -Specification for Wood Consl ction L c rplfjp ckpal Code, and all other codes which are adopted `..efere\nde`or�eti48ted bjr law. Assumed Design Parametels: \e` - s The existing structure;has been `built ynder;a.building permit and is in its original condition. The-existinj rpofitru'eture is capable of its code required live load and the ability,.th.th'e,roof structure to support live loads has not been substantially reduced by the age of the structure, termites or mold, or unauthorized modifications to the existing structure. Solar Energy Contractor shall make inspection 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 7 2019-4360 SunGrade Solar Xu Hungying Residence December 04, 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 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"0.C.*: WDL+LL w = 35.3 psf x 2 ft. = 70.6 plf R1 R2 8.7' Total load on rafter = 70.6 plf x 8.7 ft. = 614 lbs 3 `d` No. C58724 M". * Exp.3-31-21 `�>q clVlt ��Q CFC MO- •Note: Contractor to Field Verify Framing Sht# 2 of 7 2019-4360 SunGrade Solar Xu Hungying Residence December 04, 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 @ 24"O.C.: P P P P 6 bb 6 wDLV///////////////////////1////il woL+LL = 35.3psf x2ft. = 70.6p1f 9 I R1 R2 8.7' Total load on rafter = 30.6pIfx8.7ft. + ( 4' x2.75' x3psf x2 ) + ( 4' x1.65' x3psf x2 ) = 425 lbs < 614 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 INTERIOR ZONE - ZONE 1 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. opCFEss/O4, •EFFECTIVE AREA = 15 SQ FT GO 'o -> i 0 No. C58724 INTERPOLATION OF WIND UPLIFT FORCE: * E cIV.3-31-21� ,Pjq Q liC Pnet3o = -27.4 psf \OF CV Al Sht# 3 of 7 2019-4360 SunGrade Solar Xu Hungying Residence December 04, 2019 t Loyd W. Martin Professional Engineer, Inc. 9924 Universal Boulevard #224-406 Orlando, FL 32819 TeI:1 .310.464.1804 Email: loydwmartin@gmail.com www.loydwmartin.com Check attachment of Support to Existing Structure for Wind Pressure - Cont'd Tributary Area to Each Solar Mount = 4 ft. x 2.75 ft. = 11 sq. ft. ( Max ) Calculate Load at each support: �QpOFESSZie Pnet= A Kn I Pnet3o Eq'n 30.5-1 ASCE 7-10 : t,f A = 1.35 Wind Speed 130 mph Exposure C No. " Kit = 1.0 Excivet p.3-31-21 1 = 1.0 9 sr �Q Pnet3o = 27.4 psf �OF cAL09% Pnet= 1.35 x 1.0 x 1.0 x (27.4 psf) = 37 psf Nominal (Unfactored) Pressure at each support = 37 psf x 11 sq. ft. = 407 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 Dead Load = 3.0 psf Wind Load = 37.0 psf Design (Factored) Load at each support: 3 psf+ (0.6 x 37 psf) = 25.2 psf where: t ;}� HE WITH O WASHER Y = Distance between 2 lag screws Ilii r Y -0(3i LAG BOLT, = 1.2" L-TAINLESS STEEL Y' = Moment arm to 1st lag screw IL."!c. = 4.83" ■i i 3"MIN. t EMBEDMENT 6 REO IREDFORS/7fi' E I DIA.LAG BOLTS Sht#4 of 7 2019-4360 SunGrade Solar Xu Hungying Residence December 04, 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 Moment due to Load = (25.2 psf x 11 sq. ft.) x 4.83 inches = 1,339 in-lb Load to lag screw = 1,339 in-lb / 1.2 in = 1,116 lbs - Determine allowable load per 5/16" lag screw w/ 3" 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. x3in. x1.6 x1.0 = 1,277 lbs > 1,116lbs OK OK. Use Tile Hooks with (2) 5/16" x 3.5" Lag Screws with 3" min. embedment into wood, at 48" O.C. max, as per Plans to Manufacturer's instructions. to ESS/pl, 52 44q� C� `� No. C58724 [,on K.....Exp.3-31-21 * Clvl�POFCA00- Sht# 5 of 7 2019-4360 SunGrade Solar Xu Hungying Residence December 04, 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 3,600 sq. ft. Approximate Effective = 3,600 sq. ft. x 30 psf ave. = 108,000 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 rRl R = THE RESPONSE MODIFICATION FACTOR IN TABLE 12.2-1 R = 6.5 WOOD SHEAR WALLS Q , le = 1.0 IMPORTANCE FACTOR �a ROFESS/04q! 6.3 0 r y Sps = 2/3 x Skis EQ'N 11.4-3 ASCE 7-10 No. C58724 SMs= FA FAX Ss EQ'N 11.4-1 ASCE 7-10 EXP•3-31-21 P Sims 1.0x1.5 = 1.5 Tq OF/CAL.)• Sips = 2/3x1.5 = 1.0 1.0 Cs = = 0.154 EQ'N 12.8-2 ASCE 7-10 651 1 Sht# 6 of 7 2019-4360 SunGrade Solar Xu Hungying Residence December 04, 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 108,000 LBS = 16,632 LBS EQ'N 12.8-1 ASCE 7-10 DETERMINE NEW BASE SHEAR Determine Seismic Weight of Building with Solar Array: EXISTING SEISMIC = 108,000 LBS WEIGHT NEW SOLAR . ARRAY = 3 PSF x 14 PANELS x 3.3' x 5.5' = 762 LBS NEW SEISMIC = 108,000 LBS + 762 LBS = 108,762 LBS WEIGHT THEREFORE NEW BASE SHEAR: V = 0.154 x 108,762 = 16,749 LBS EQ'N 12.8-1 ASCE 7-10 % CHANGE = 16,749 LBS 16,632 LBS x 100 = 0.7 % < 10% OK 16,632 LBS OK. PER ASCE 7-10 SECTION 11.B.4 ALTERATIONS EXISTING LATERAL FORCE RESISTING SYSTEM IS EXEMPT FROM ANALYSIS SINCE NEW SEISMIC FORCE IS LESS THAN 10% GREATER THAN EXISTING SEISMIC FORCE. pOFESS/p 'Alterations are permitted to be made to any structure without requiring the 0 - '11• 4 'Pr C existing structure to comply with this standard provided the alterations comply No. C58724 with the requirements for a new structure.Alterations that increase the seismic force in any existing structural element by more than 10 percent or k Exp.31-21 decrease the design strength of any existing structural element to resist J'j9 Cl\I� seismic forces by more than 10 percent shall not be permitted unless the SOF c AL02 entire seismic force-resisting system is determined to comply with this standard for a new structure." End of Calculations Sht# 7 of 7 2019-4360 SunGrade Solar Xu Hungying Residence December 04, 2019 .. . Loyd W. Martin Professional Engineer, Inc. 9924 Universal Boulevard #224-406 Orlando, FL 32819 Te1:1 .310.464.1804 Email: Ioydwmartin@gmail.com www.loydwmartin.com Determine Loading on Roof Rafters 10 :0FEss/04, Dead and Live Loads without Panels: . M �F- c\ Flat Tile Roofing = 8.0 psf W No. C58724 1/2 Sheathing = 1.5 psf * Exp.3-31-21 Rafters @ 24" O.C. = 1.0 psf s4 CIVIt �e 5/8" Drywall = 3.1 psf OF CA�\EO�� Misc. / Insul = 1.0 psf • Dead Load = 14.6 psf w/ DL Corr. (1.05) = 15.3 psf t 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 = 14.6 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 2019-4360 SunGrade Solar Xu Hungying Residence December 04, 2019