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HomeMy WebLinkAboutSOLR-19-0399 '' t PermtNo S-0- LA-1-9;63' 19 0399'' i\IttF City of Arcadia, CA -4----,w lc 41-:-.J-4: Development Services Department " PermtType Solar, 240 Wert Huntington Drive,Post Office Box 60021 t "* £"' a Arcadia,CA 91066-6021 � - i21 t f _� 464k.C)osstfrcation Solar Residential 1 (626)574-5416 - `,e -PermitSt&tps:Issued ARCADIA IssueVatei02/27/20191 Expiration: 08/26/2019 Addr NO. Dir Prefix Street Name Street Suffix Unit City,State,Zip Parcel Number 1830 Highland Oaks DR Arcadia,CA 5771004002 Contacts LEE,JOHN S Owner Precision Remodeling General Contractor(B) 1830 HIGHLAND OAKS DR 2058 N Mills AVE#633,Claremont,CA 91711 (909)244-8384 839615 Description:ROOF MOUNT PV SYSTEM, 6 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-00514-19 $308.24 Fire Plan Check Fee Residential $50.00 Inverters $77.78 Amount Due: $0.00 Panels $82.45 Solid Waste Management Fee 2 $1.00 Total: $308.24 P1/VA-\__ 3'5• 1, V - CALLS FOR INSPECTIONS Request for inspection by telephone at 626-574-5450. Leave a message requesting the address,timeframe and what inspection item is needed. COMPLETED This permit/plan review expires by time limitation and becomes null and 01 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. February 27,2019 Issued By: Date February 27,2019 Page 1 of 1 •FAR 0,..Uvogytiv ,,.• i PERMIT/PLAN REVIEW APPLICATION 7 �a , E@n' Development Services Department;240 West Huntington Drive, Post Office Box 60021 mmh'Iand Arcadia, CA 91066-6021, (626) 574-5416,Fax (626) 447-9173 City of Arcadia LICENSED CONTRACTOR'S DECLARATION WORKERS'COMPENSATION DECLARATION hereby affirm under penalty of perjury that I am licensed under provisions of I hereby affirm under penalty of perjury one of the following: hapter 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 BC - I ll License No./3Gl(,I Si Exp. Date S'J?C)- compensation, as provided for by Section 3700 of the Labor Code, for the Signature of Contractor _A1---t__ performance of the work for which this permit is issued. WNER-BUILDER DECLARATION ❑ I have and will maintain workers'compensation insurance,as required by Section I:1I 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 /1 T I I LE. for such permit to file a signed statement that he or she is licensed pursuant to the Policy Number `,� 1\ ` '� provisions of the Contractors License Law(Chapter 9(commencing with Section (This section need not Wcompleted 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. My violation of certifythat 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 , of 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, or my employees with wages as their sole forthwith comply with those provisions. 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 7 — / 9 Signaaue v 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(I)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. 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 contacts 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: 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 t further information. Name ti"-Jr ftICnWn, C" 4r Title D L-n...,.t,..---....- PRINT NAME 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. Signature 4 // -- Date 2 2 D - 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: 1830 Highland Oaks Dr., QFESS,0 Arcadia, CA 91006 (.4 "�F No. 058724 Applicable Codes: it Exp.3-31-19 it `r�' or 2016 California Building g Code, 2016 California Electric Code, �0F ca? 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 by reference or enacted by law. Assumed Design Parameters: The existing structure has been built under,�;� uilding permit and is in its original condition. The existing roof struc .` r' ''•' is capable of its code required live load and the ability of the, oitrtture to support live loads has not been substantially reduced b the ge of't1,fM ucture, termites or mold, or unauthorized modificationsio tlik ing� it t{sp. Solar Energy Contractor shall make inspection;off 10(.4p in topf jrj 4rstem prior to installation of the roof mounted s ilav tlssroo{err�y,�t rt that the existing roof is capable of supportincf jffrr�}u'rni Ppgf'hv fbpds. �i, /3,�4.�o 1)4,�/• f4, ,SrNf'61,4 Assumed Design Parameters: �,,, ,�. .•� . , '4'J; ''� ��e�Yl ?et.'%'., . All 2x members are grade Douglas Fir #2 or bettcrs°r°,., tv• is;,. %,,s All 4x members are grade Douglas Fir #1 or betteru42o,,cro,474v° All Roof Connectors are Simpsons Strong-Tie or Equ'd114l`'°�.a 7 All Concrete Foundations are fc = 2500 psi or stronger �4, ' 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 2019-222 Precision Remodeling 1830 Highland Oaks Dr. Date: January 29, 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 2x10 Rafters A 16" 0.C.*: wDL+LL r/////// /////////// ///////// / /'I w = 37 psf x 1.33 ft. = 49.3 plf I RI 1 R2 33' (%);0FEssio,vie Total load on rafter = 49.3 plf x 33 ft. = 1,628 lbs ' No. C58724 * Exp.3-31-19 q CIV1� e OF C AIIFOR *Note: Contractor to Field Verify Framing Sht# 2 of 6 2019-222 Precision Remodeling 1830 Highland Oaks Dr. Date: January 29, 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 2x10 Rafters (, 16" O.C.: P PP PP PP PP P WLL 6 71 717 67 611 r W DL V/7//////////////////////////4 w DL+LL = 37 psf x 1.33 ft. = 49.3 plf I q R1 R2 33' 27.5' 5.5' Total load on rafter = 49.3 plf x 5.5 ft. + 22.7 plf x 27.5 ft. + ( 4' x 2.75' x 3 psf x 10 ) = 1,225 lbs < 1,628 lbs OK Checkattachment 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 �aQROFEssio, ,( roNo. ;; I\ EFFECTIVE AREA = 15 SQ FT 724 INTERPOLATION OF WIND UPLIFT FORCE: * Exp.3-31-19 Nem = -46.5 psf sf 9le OF C m.*°'� Sht# 3 of 6 2019-222 Precision Remodeling 1830 Highland Oaks Dr. Date: January 29, 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 = 4 ft. x 2.75 ft. = 11 sq. ft. ( Max ) Calculate Uplift at each support: 00F ESS/pN Pnet = A Kit I Pnet30 Eq'n 30.5-1 ASCE 7-10 `� q� A = 1.35 Wind Speed 130 mph Exposure C ' y No. C58724 KZt = 1.0 Exp.3-31-19 I = 1.0 P>' �lVI� �P Pnet3o = -46.5 psf �Op CpOc* 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 11 sq. ft. = 691 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 691 lbs = 414 lbs Load per lag screw = 414 lbs / 1 = 414 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 > 414 lbs OK Use Support connected to 2x Min. Roof Member w/ (1) 5/16" x 4" lag screw per connection minimum. Sht# 4 of 6 2019-222 Precision Remodeling 1830 Highland Oaks Dr. Date: January 29, 2019 Loyd W. Martin Professional Engineer, Inc. 9924 Universal Boulevard #224-406 Orlando, FL 32819 Tel: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 3,000 sq. ft. Approximate Effective = 3,000 sq. ft. x 30 psf ave. = 90,000 LBS Seismic Weight DETERMINE BASE SHEAR V = Cs W EQ'N 12.8-1 ASCE 7-10 Cs = (DSj EQ'N 12.8-2 ASCE 7-10 R = THE RESPONSE MODIFICATION FACTOR IN TABLE 12.2-1 R = 6.5 WOOD SHEAR WALLS le = 1.0 IMPORTANCE FACTOR 90E3s/01 Sips = 2/3 x SMs EQ'N 11.4-3 ASCE 7-10 �; ° Mqr � `d No. C587244 T' SMs= FA x Ss EQ'N 11.4-1 ASCE 7-10 * Exp,3-31-19 SMs= 1.0 x 1.5 = 1.5 d\\Lf s SDs = 2/3 x 1.5 = 1.0 T9 Cf C Al��l\E��� .0 Cs = [6.51 = 0.154 EQ'N 12.8-2 ASCE 7-10 1 Sht# 5 of 6 2019-222 Precision Remodeling 1830 Highland Oaks Dr. Date: January 29, 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 90,000 LBS = 13,860 LBS EQ'N 12.8-1 ASCE 7-10 DETERMINE NEW BASE SHEAR Determine Seismic Weight of Building with Solar Array: EXISTING SEISMIC = 90,000 LBS WEIGHT NEW SOLAR ARRAY = 3 PSF x 34 PANELS x 3.3' x 5.5' = 1,851 LBS NEW SEISMIC = 90,000 LBS + 1,851 LBS = 91,851 LBS WEIGHT THEREFORE NEW BASE SHEAR: V = 0.154 x 91,851 = 14,145 LBS EQ'N 12.8-1 ASCE 7-10 0 14,145 LBS - 13,860 LBS /o CHANGE = 13,860 LBS x 100 = 2.1 % < 10% OK 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. �o40FE so4, "Alterations are permitted to be made to any structure without requiring the o ��y existing structure to comply with this standard provided the alterations comply No. C58724"D with the requirements for a new structure.Alterations that increase the seismic force in any existing structural element by mom than 10 percent or (1%;12,_i qP•3 31-19 decrease the design strength of any existing structural element to resist r C�v\\ seismic forces by more than 10 percent shall not be permitted unless the �OF C p�\E���P entire seismic force-resisting system is determined to comply with this standard for a new structure." End of Calculations Sht# 6 of 6 2019-222 Precision Remodeling 1830 Highland Oaks Dr. Date: January 29, 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 Determine Loading on Roof Rafters oQROFESS/pN Dead and Live Loads without Panels: _� ►►►.� c� o `fie Tile Roofing = 8.0 psf 0 No. C58724 ` % 1/2 Sheathing = 1.5 psf * Exp.3.31-19 Rafters @ 16" O.C. = 2.6 psf �T9 0(V \- 5/8" Drywall = 3.1 psf le OF cM.J Misc. / Insul = 1.0 psf Dead Load = 16.2 psf w/ DL Corr. (1.05) = 17.0 psf Live Load = 20.0 psf Total Load = 37.0 psf Dead Loads with Panels: Tile Roofing = 8.0 psf 1/2 Sheathing = 1.5 psf Rafters @ 16" O.C. = 2.6 psf 5/8" Drywall = 3.1 psf Misc. / Insul = 1.0 psf Dead Load = 16.2 psf w/ DL Corn (1.05) = 17.0 psf Total Load = 17.0 psf Solar Array = 3.0 psf (Note: Solar Loads are point loads on members) Total Load with Solar Array = 20.0 psf < 37.0 psf OK Sht #R1 2019-222 Precision Remodeling 1830 Highland Oaks Dr. Date: January 29, 2019