Abstract: There is provided an erectable compression post for installing temporary fencing. The erectable compression post including: an upper portion positionable in engagement with a ceiling; a lower portion positionable in engagement with a floor, the upper portion moveable vertically within the lower portion; a fence retaining portion affixed to the upper portion or the lower portion; a compression assembly to bias the upper portion away from the lower portion; and a locking assembly to lock a position of the upper portion relative to the lower portion, the locking assembly including: a handle rotatably connected to the lower portion; and a tilting plate positioned around the upper portion and tiltable via urging by the handle to frictionally engage the upper portion to retain the upper portion relative to the lower portion.

Abstract: There is provided an erectable compression post for installing temporary fencing. The erectable compression post including: an upper portion positionable in engagement with a ceiling; a lower portion positionable in engagement with a floor, the upper portion moveable vertically within the lower portion; a fence retaining portion affixed to the upper portion or the lower portion; a compression assembly to bias the upper portion away from the lower portion; and a locking assembly to lock a position of the upper portion relative to the lower portion, the locking assembly including: a handle rotatably connected to the lower portion; and a tilting plate positioned around the upper portion and tiltable via urging by the handle to frictionally engage the upper portion to retain the upper portion relative to the lower portion.

Abstract: A stringer for a modular scaffolding system. The stringer has a lower base, a web extending upwardly from the lower base, and a channel extending upwardly from the web, the channel having at its upper edge a pair of base flanges extending outwardly therefrom and having along a length of its inner wall a flange, wherein an insert shaped complementary to the channel and having a recess disposed along its length complementary to the flange is slidable into the channel.