Separate sections of the antenna tube steel raceway join at a welded seam with a continuous weld. A number 6 green copper conductor bridges the joint and fastens with a quarter-inch bolt equipped with a serrated grounding washer, lock nut, and standard nut. Fasteners are installed without excessive protrusion to prevent damage to internal antenna cabling. The tube steel bonds to the lightning protection system horizontal main conductor using a number 6 tinned copper conductor at a single point.
1/4" BOLT W/ SERRATED GROUNDING WASHER, LOCK NUT, AND NUT, TYP. ENSURE BOLT DOES NOT PROTRUDE MORE THAN IS NECESSARY TO PREVENT DAMAGE TO ANTENNA CABLING. WELDED JOINT/SEAM ANTENNA TUBE STEEL RACEWAY #6 GREEN COPPER CONDUCTOR 1. DETAIL APPLIES AT ALL AREAS WHERE SEPARATE SECTIONS OF TUBING ARE WELDED/JOINTED TOGETHER. 2. REFER TO ARCHITECTURAL AND STRUCTURAL DRAWINGS FOR ANTENNA TUBE STEEL RACEWAY CONSTRUCTION DETAILS. 3. BOND THE TUBE STEEL TO LPS HORIZONTAL MAIN CONDUCTOR WITH A #6 TINNED COPPER CONDUCTOR AT A ONE POINT. GENERAL NOTES: D
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