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T E� S Ln <br /> March 26, 2019 <br /> Testa Powerwall Hardware Compliance Letter <br /> To whom it may concern: ` <br /> The installation manual for the Tesla Powerwall was reviewed for mounting considerations. Based <br /> on the weight of the unit and the attachment layout of the mounting bracket, it was determined that <br /> the following fasteners should be used: <br /> Wood Studs: <br /> (4) -%"wood screws with w/2-1/2" minimum embedment <br /> Metal Studs: <br /> (3)-'/4" sheet metal screws at each corner w/ 1-1/2" minimum penetration (25 ga stud minimum) <br /> (1)—'/4' sheet metal screws at each corner w/ 1-1/2" minimum penetration (18 ga stud and thicker) <br /> Concrete/CMU: <br /> Schedule "A"for clear height less than 2'-9" <br /> FASTENER SCHEDULE "A"+ <br /> MANUF MODEL DIAMETER EMBEDMENT <br /> SIMPSON TITEN Y"6 <br /> HILT] KWIK—CONN H + Y"v 1 " <br /> POWERS TAPPER + Ya"o <br /> Schedule "B"for clear height greater than 2'-9" and/or if the governing jurisdiction requires fastener <br /> ESR report*. <br /> FASTENER SCHEDULE "B"* <br /> MAvUF MODEL DIAMETER EMBEDMENT ESR <br /> SIMPSON TITEN HD 3�"0 2-" ESR-2713 (CONCRETE) & ESR-1056 (CMU) <br /> HILT] KH—EZ Wo 1%" ESR-3027 (CONCRETE) & ESR-3056 (CMU) <br /> POWERS .WEDGEBOLT + Wo 1Y2" ESR-2526 (CONCRETE) & ESR-1678 (CMU) <br /> E R` <br /> •sr <br /> ICH AS R O <br /> GORIDON -n Exp: m <br /> 0 CIVIL p <br /> a -a <br /> 410. 22W' <br /> TESLA MOTORS, INC 3500 Deer Creek Rd, Palo Aliu. CA. 0,1304 p 650.681.5000 f 650.681.5200 <br />