The URL can be used to link to this page

Home My WebLink AboutSOLR-19-0138 (2) City of Arcadia,CA Permit NO.SOLR-19-0138 Development Services Department Permit Type:Solar 240 West Huntington Drive,Post Office Box 60021 Arcadia,CA 91066-6021 Work Classification:Solar-Residential (626)574-5416 Permit Status:Issued A RCA DIA Issue Date:01/22/2019 Expiration:07/21/2019 Addr NO. Dir Prefix Street Name Street Suffix Unit City,State,Zip Parcel Number [861 Balboa DR Arcadia,CA 5777020013 mmow Contacts CHUONG,EDWIN T AND CHRISTINE T Owner PACIFIC STONEGATE INC dba:SOLAR Solar Contractor(C-46) 861 BALBOA DR,ARCADIA,CA 91007 VAST (909)518-5107 CHRISTINE_CHUONG@YAHOO.COM 8727 LANYARD CT,RANCHO CUCAMONGA,CA 91730 (909)377-5477 965340 :,ate.. .sow Description:ROOF MOUNT PV SYSTEM,NEW LOAD CENTER- Valuation: $0.00 Tenant I 125 24 MOD/MICRO INVERTER Total Sq Feet: 0.00 Plan Check# Plan Lew, # � t Fees Amount Payments Amount Paid Building Plan Check Fee Residential $50.00 Total Fees $324.72 Distribution Panel $16.48 Cash/Receipt#REC-00178-19 $324.72 Electrical Permit Issuance Fee $47.01 Amount Due: $0.00 Fire Plan Check Fee Residential $50.00 Inverters $77.78 Panels $$1.05 XP BRED Solid Waste Management Fee 2 $1.00 Total: $324.72 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. This permit/plan review expires by time limitation and becomes null and 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. January 22,2019 Issued By: Date January 13,2020 Page 1 of 1 A P D L L D 4650E. ARROW HWY. STE.A7 STRUCTURAL MONTCLAIR. CA 91763 Structural Calculations for: Edwin Choung Residence 7.84 kW AC Photovoltaic Array Addition 861 Balboa Dr. Arcadia, CA 91007 Owner/Developer: 4,. Cj�,j, SolarVast N. 'v�),c�t O�1 8727 Lar}I•arc �P t ` fop/�/ SQA ` (rti• ,4 a/A.• �j�i t c!) Rancho Cucamon ,`P /� g/ /i • �t St �y��. t�� `� �/•s/�tt�G�1 c��/t0i, A �a, iryt, s 4/1 l J tht c'4/ /�i�i„ c'� , ��/, �ti,, • or, to pt fei/� c,)f, (het J January 28;c 9s'it�p ,/j/4/1,• �t/t.t444. '.N'0/.4 4 iPajp Ott Job#: 19-1839 it" , /c t /10 01 01. 411 QROFEArit SSi. )1 gg ter N.. C75:95 j; Jj EXP 6,301'0 Ay d VV/�• C/�vOCI te• t Erb\ � ICM.��`� 4 Page 1 of 5 APOLLO1 4650 E.ARROW HWY. STE.A7 STRUCTURAL MONTCLAIR. CA 91763 SOLAR RESIDENTIAL ROOF/BUILDING CHECK - MAIN STRUCTURE Check Photovoltaic Array Addition-2016 California Building Code(CBC) Gravity Design Loads: Roof Type: Conc.tile over 1/2"sheathing over rafters over 5/8"gypsum board Live Load: 20.0 psf Dead Load: Roofing Material: 12.0 psf Sheathing: 1.5 psf Roof Framing Members: 2.5 psf Drywall: 1.5 psf Insulation: 1.0 psf Miscellaneous: 1.5 psf Solar Array&Rack System 2.88 psf ----Additional Load Applied Roof Dead Load w/o Solar Array= 20.00 psf Over<50%of Roof Area Roof Dead Load at Solar Array= 22.88 psf Total Roof Load w/o Solar Array= 40.0 psf Total Roof Load at Solar Array= 42.9 psf Area of Solar Array Addition(for gravity check)= 210 ft2 Total Area of Affected Rafters(for gravity check)= 1500 ft2 Area of Solar Array Addition(for seismic check)= 210 ft2 Total Area of Affected Roof(for seismic check)= 1500 ft2 Check Additional Gravity Loads on Rafters: Total Load Increase at Affected Rafters = 0.40 psf %of Total Load Increase= 1.01% < 5.0% OK Per CBC 3403A.3 Additional Solar Array Weight is Structurally Acceptable Check Additional Gravity Loads on Lateral Resisting System: Dead Load Increase at Entire Roof= 0.40 psf %Dead Load Increase on Entire Roof= 2.02% < 10.0% OK Per CBC 3403A.4 Additional Solar Array Lateral Load is Structurally Acceptable Page 2 of 5 r 1 APOLLO 14650 E.ARROW HWY. STE.A7 STRUCTURAL MONTCLAIR, CA 91763 SOLAR RESIDENTIAL ROOF/BUILDING CHECK - DETACHED UNIT Check Photovoltaic Array Addition-2016 California Building Code(CBC) Gravity Design Loads: Roof Type: Conc.tile over 1/2"sheathing over rafters over 5/8"gypsum board Live Load: 20.0 psf Dead Load: Roofing Material: 12.0 psf Sheathing: 1.5 psf Roof Framing Members: 2.5 psf Drywall: 1.5 psf Insulation: 1.0 psf Miscellaneous: 1.5 psf Solar Array&Rack System 2.88 psf ----Additional Load Applied Roof Dead Load w/o Solar Array= 20.00 psf Over<50%of Roof Area Roof Dead Load at Solar Array= 22.88 psf Total Roof Load w/o Solar Array= 40.0 psf Total Roof Load at Solar Array= 42.9 psf Area of Solar Array Addition(for gravity check)= 210 ft2 Total Area of Affected Rafters(for gravity check)= 800 ft2 Area of Solar Array Addition(for seismic check)= 210 ft2 Total Area of Affected Roof(for seismic check)= 800 ft2 Check Additional Gravity Loads on Rafters: Total Load Increase at Affected Rafters = 0.76 psf %of Total Load Increase= 1.89% < 5.0% OK Per CBC 3403A.3 Additional Solar Array Weight is Structurally Acceptable Check Additional Gravity Loads on Lateral Resisting System: Dead Load Increase at Entire Roof= 0.76 psf %Dead Load Increase on Entire Roof= 3.79% < 10.0% OK Per CBC 3403A.4 Additional Solar Array Lateral Load is Structurally Acceptable Page 3 of 5 • Sht: El A P O [LU 4850 E. ARROW HWY, STE. A7 Date: STRUCTURAL MONTCLAIR, CA 91763 0_ ROOF MOUNTED SOLAR PANELS - WORST CASE AT 2ND FLOOR Earthquake Design per ASCE 7-16- 13.3.1 Design Parameters Site Class= D Per Table 1613A.3.2 Latitude,deg Longitude,deg Short Period S.A.,Ss= 2.655 2015 NEHRP Provisions 34.1344 -118.0598 Site Coefficient,Fa= 1.20 Table 1613A.3.3(1) Sms=FaSs= 3.19 EQ 16A-37 Sps=2/3 Sms= 2.12 EQ 16A-39 Importance Factor,1,= 1.00 Section 13.1.3 Height of Equipment,z= 22.00 ft Height of Roof,h= 22.00 ft Weight of Panels to each Mount,Wp= 45.50 lbs ap= 1.00 Table 13.6-1 Rp= 2.50 Table 13.6-1 Determine Fp,Seismic Design Force(STRENGTH LEVEL) Fp=(0.4apSpsWp)(1+2z/h)/(Rp/Ip)= 46 lbs EQ 13.3-1 [Not Greater Than:] Fp=1.6S0SWplp= 155 lbs EQ 13.3-2 [Not Less Than:] Fp=0.3S05Wplp= 29 lbs EQ 13.3-3 Use Fp= 46 lbs at each Roof Mount Bracket Page 4 of 5 • Sht: W1 A P DL L 4650 E. ARROW HWY, STE.A7 Date: SIR UCTURAL MONTCLAIR. CA 91763 A: -- ROOF MOUNTED SOLAR PANELS - WORST CASE AT 2ND FLOOR Components and Cladding-Wind Load Design per ASCE 7-16,30.4.2-h<60 ft Design Parameters Design Wind Velocity(3s Gust),V= 110 mph Wind Exposure= C Mean Panel Height= 22.00 ft Total Effective Area of Typical Array= 210 ft2 Panel Area to Each Support= 18.00 ft2 Angle of Panels= 18 degrees a= 3 ft(3ft.Min.) Determine Wind Force at Each Roof Mount cin=0.00256 K,K,,Kd V2 I= 14.5 psf Load case 0.6'gh K,= 0.92 Table 30.3-1,Page 317 Kz2= 1.0 Figure 26.8-1,Page 252-253 Kd= 0.85 Table 26.6-1,Page 250 1= 1.00 Internal Pressure Coeff.=GCP;= 0 +1-(Figure 6-5) y=180° GCP(Zone 1)= 0.45 -0.85 Per Figures 30.4-1 thru 30.4-7 GCP(Zone 2)= 0.45 -1.60 Per Figures 30.4-1 thru 30.4-7 GCP(Zone 3)= 0.45 -1.60 NO PANELS IN ZONE 3 p (+)P=qh(GCP-GCP;)= 10.0 -23.3 psf,Positive Wind(10 psf min)-Worst Case Lateral Load at Each Mount= 56 -129 lbs Compression/Uplift at Each Mount= 171 -398 lbs Roof Mount is attached to roof sheathing&roof members w/(1)5/16" x 4-1/2" Lag Bolt w/Min.3.5"thread embed per SOLARVAST. Allowable Loads for 5/16" Diameter Lag Screw per the 2015 NDS: (Table 11.2A) Withdrawl= 266 lb/in x 3.5"embed x (Cd= 1.6)= 1490 lbs (Table 11K) Shear= 120 lb x (Cd=1.6) = 192 lbs SOLAR ARRAY ATTACHMENT METHOD IS STRUCTURALLY ACCEPTABLE. Page 5 of 5