In a stick- built glass curtain wall system, the mullions may span floor to floor (called single- span mullion system)or between two floors (called twin- span mullion system). In the twin- span mullion system, how many dead load support anchors and how many tieback (expansion anchor)supports are provided in each mullion?

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The Answer of In a stick- built glass curtain wall system, the mullions may span floor to floor (called single- span mullion system)or between two floors (called twin- span mullion system). In the twin- span mullion system, how many dead load support anchors and how many tieback (expansion anchor)supports are provided in each mullion?

In a Stick- Built Glass Curtain Wall System, the Mullions