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HomeMy WebLinkAboutPV2021-056 - CalcsW 2o2t -050 3oWhfVAS aV148pr�' McPherson Engineering Structural Analysis Report For Photovoltaic System Addition to Existing Structure The Topkins Residence 30 Whitesands Dr Newport Coast, CA 92657 Wti2.1AZI OP cAl Digitally sealed by RJM on 4/12/21 Designed in Accordance with CBC 2019, ASCE 7-16, NDs 2018 Date: 4/12/21 Job #: 21-1517 E.O.R.: Ryan McPherson, P.E. 6169 Sunny Circle Mira Loma, CA 91752 Mobile: (909) 569-2244 Email: ryan@mcpherson.engineering 001 aQ 1of7 4/12/2021 1:45 PM ©McPherson Engineering E McPherson Engineering By: L.Z. Date: 4/12/21 Table Of Contents Projectlnfo 3 Loads Lateral Loads Summary 7 2 of 4/12/2021 1:45 PM ©McPherson Engineering E .Z. McPherson Engineering By: L Date: 4/12/21 Location: 30 Whitesands Dr Newport Coast, CA 92657 Existing Structure Info: Number of Stories = 2 Aroof = 2900 sq. ft. A3rd_Nr = 0 sq. ft. A2nd_nr = 2500 sq. ft. Site Properties: Lattitude = 33.608481 Longitude = -117.839545 Ss = 1.302 Sf = 0.462 Exposure Category = C Ult. Wind Speed = 130 m.p.h. P.V. Array Info: Project Info Roof Square Footage Third Floor Square Footage (if applicable) Second Floor Square Footage (if applicable) Model = SPR -E22 -360 -E -AC Height of Panel = 61.30 in. Width of Panel = 41.20 in. Area of Panel = 17.5 ft. Number of New Panels = 26 Number of Exis. Panels = 0 Total Area of Array = 456.0 ft 2 Spacing of Anchors = 6.0 ft. max. on center rows of racks per panel = 2 Panel Tilt = 7-27 deg 3of7 4/12/2021 1:45 PM ©McPherson Engineering N McPherson Engineering By: L.Z. Date: 4/12/21 Summary Gravity Loads: DEMAND DECREASED BY 7.89%= OKI Lateral Loads: DEMAND INCREASED BY 1.% < 10%= OKI Anchorage: DEMAND OF 635.6LB. < CAPACITY OF 1702.4LB. = OKI USE (2) 5/161N. DIA. LAG SCREW(S) AT 6FT. MAX. O.C. W/ 2.51N. MIN. PENETRATION Summary: STRUCTURE IS ADEQUATE FOR THE PROPOSED PV ARRAY ANCHORS ON EAVES/OVERHANGS ARE OKI 7of7 4/12/2021 1:45 PM ©McPherson Engineering