Electrical · E-262VE

Roof Mounted Link Antenna Detail

Materials

Elements

Stairs Roofs Decks Waterproofing / Flashing Connections / Plates Roof / Floor Openings

About this detail

A public safety distributed antenna system link antenna is mounted six feet above the roof deck on a support mast and positioned below the tallest structure to maintain line-of-sight to the donor site. A two-inch rigid conduit carries the antenna cable through a roof penetration sealed with flashing that matches the built-up roofing assembly. The conduit is fastened to the roof structure and runs down to the second level telecom room through a fire-rated chase, equipped with bonding bushings at each end. The conduit, coaxial cable, mast, and lightning arrestor are bonded to a number six copper single point connection tied to the building steel using mechanical connections.

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