A square steel plate measuring three-quarters of an inch by twenty inches by one foot eight inches supports a central fixture secured with bolts specified per the lighting manufacturer. Four diagonal framing angles of size three by three by one-quarter inches connect to larger angles measuring six by three and one-half by three-eighths inches positioned beyond in a typical arrangement. The centerline of the structural rod aligns with the upper angle members.
PLAN VIEW BOLTS PER LIGHT MFR. L3x3x1/4 FRAME TO L6x3 1/2x3/8 (LLV) BEYOND (TYP.) CL. OF ROD AND L6x3 1/2x3/8 (LLV) ABOVE PLATE 3/4"x20"x 1'-8"
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