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T = S Ln <br /> March 26, 2019 <br /> Tesla 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)-'/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)— W 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 EMBEDr,04T <br /> SI,%APSON T1TEN Y"¢ 1Y" <br /> HILTI KWIK—CONK H + Yn"4 1!Z" <br /> POWERS TAPPER + Y"0 1Y" <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 /> I,'1 NUF MODEL DIAMETER EMBEDMENT ESR;" <br /> SI&1PS0N TITEN HD %"0 23;" ESR-2713 (CONCRETE) & ESR-1056 (CMU) <br /> HILT] KH—EZ Wo 1%" ESR-3027 (CONCRETE) & ESR-3056 (CMU) <br /> POWERS WEDGEBOLT + %"0 lY" ESR-2526 (CONCRETE) & ESR-1678 (CMU) <br /> E R <br /> .0 <br /> F <br /> ICH S R O <br /> GOR� -� <br /> Exp: m <br /> 0 CIVIL p <br /> a -a <br /> No. 2 23�j� <br /> TESLA MOTORS, INC 3500 Deer Creek. Rd. Palo Alto, CA 94304 p 650.681.5000 f 650.681.5200 <br />