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1 . . <br /> . � �'� A TI-ES <br /> � � Code Compliance Research Report CCRR-0101 <br /> � Page 6 of 6 <br /> 0131"DIA X 3-174"LONG FRAMING <br /> NAIL(TYP)IN LOCATION SHOVVN <br /> ATTACH TREATED 50.PINE 2X4 <br /> SUPPORT UNDER EACH TREAD <br /> AS SHOVvN USING NVO(2J AZEK'I X6 DECKBOARD AZEH DECI(ING IS ATTACHED TO <br /> 0.131"DIA N 3-1/4"LONG ROUND (TYPICAL) STRINGERS USING M�O#7 H 2-114" <br /> DRIVE FRAMING NAILS LONG TRIM HEAD SCREVVS(SWAN <br /> SECURES'S SCRUDINI OR E�UAL) <br /> � <br /> 7.500" <br /> 4.125" <br /> -�1.875" 24.00" <br /> MAX <br /> 49.50" <br /> Figure 5—Alternate 1 X 5'/z Stair Tread Installation <br /> (2X4 additional supports—Max span =24.0") <br /> Architectural Testing. 130 Derry Court• York, PA 17406 717-764-7700 <br /> www.archtest.com <br />