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AND SIZE OF FASTENERS AS SPECIFIED BY MANUFACTURER OR AS INDICATED IN <br /> THIS DOCUMENT. CONNECTORS SHALL BE INSTALLED IN ACCORDANCE WITH THE <br /> MANUFACTURER'S INSTRUCTIONS. <br /> 9. SHEET METAL SCREWS SHALL BE ITW BUILDEX TEKS SELECTTM SELF-DRILLING <br /> STRUCTURAL FASTENERS OR AN APPROVED EQUAL. <br /> 10. WOOD SCREWS SHALL CONFORM TO ANSI/ASME STANDARD B18.6.1. <br /> 11. NAILS UTILIZED SHALL HAVE THE FOLLOWING MINIMUM PROPERTIES: <br /> NAIL 8d 10d 16d <br /> SHANK DIAMETER 0.131" 0.148' 0.148" <br /> HEAD DIAMETER 0.281" 0.312" 0.344" <br /> MINIMUM LENGTH 2-1/2" 3" 3-1/4" <br /> 12. STRUCTURAL STEEL SHALL CONFORM TO THE FOLLOWING REQUIREMENTS: <br /> TYPE OF MEMBER ASTM SPECIFICATION Fy <br /> A. ANGLES A36 36 KSI <br /> 13. WELDING SHALL CONFORM TO AWS D1.1 STANDARDS AND BE PERFORMED BY WABO <br /> CERTIFIED WELDERS. REMOVE ALL PAINT FROM THE EXISTING STEEL JOISTS IN THE <br /> AREAS OF THE NEW STEEL ANGLES PRIOR TO WELDING. <br /> 14. CONNECT THE METAL CURB FOR THE EXHAUST FAN TO THE WOOD ROOF <br /> STRUCTURE WITH THREE(3)#12 x 2-1/2"LONG WOOD SCREWS ON EACH SIDE OF THE <br /> CURB. PLACE ONE SCREW AT 4"TO 6"FROM EACH CORNER OF THE CURB AND THE <br /> REMAINING SCRREW AT APPROXIMATELY THE MIDDLE OF THE CURB ON EACH SIDE. <br /> 15. CONNECT THE EXHAUST FAN TO THE METAL CURB WITH THREE(3)#12 TEKS SCREWS <br /> AT ON EACH SIDE OF THE FAN. PLACE ONE SCREW AT 6"TO 8"FROM EACH CORNER <br /> OF THE FAN AND THE REMAINING SCREW AT APPROXIMATELY THE MIDDLE OF THE <br /> FAN ON EACH SIDE. <br /> 16. CONNECT THE METAL CURB FOR THE HOOD TO THE WOOD ROOF STRUCTURE WITH <br /> #12 x 2-1/2"LONG WOOD SCREWS AT A MAXIMUM OF 12"ON-CENTER ON EACH SIDE <br /> OF THE CURB. PLACE ONE SCREW AT 4"TO 6"FROM EACH CORNER OF THE CURB <br /> AND THE REMAINING SCREWS EQUALLY SPACED BETWEEN THE CORNERS. <br /> 17. CONNECT THE HOOD TO THE METAL CURB WITH A MINIMUM OF THREE(3)#12 TEKS <br /> SCREWS AT ON EACH SIDE OF THE FAN. PLACE ONE SCREW AT 6"TO 8"FROM EACH <br /> CORNER OF THE HOOD AND THE REMAINING SCRREW AT APPROXIMATELY THE <br /> MIDDLE OF THE HOOD ON EACH SIDE. <br />