Abstract: An indicator for a compression post includes a leg defining an upper end and a lower end, the lower end configured to engage a support plate of the compression post; and an indicator bracket comprising a central portion coupled to the leg at the upper end and an indication portion oriented distal to the leg, the central portion defining a bend extending away from the leg such that the indication portion is laterally offset from the leg, the indicator defining a first visual indicator configured to indicate that the compression post is in either a compressed configuration or an uncompressed configuration.

Abstract: A guardrail system can include, in some aspects, a guardrail base defining an effective support length of the guardrail system; and a base extension lockably engagable with the guardrail base and extending the effective support length upon engagement with the guardrail base, the effective support length defined by a combined portion of the guardrail base and the base extension that rotate together upon any rotation of the guardrail base about an X-axis of the guardrail system.

Abstract: A parapet descent apparatus can include a mounting panel configured to be secured to the parapet of an elevated structure; and a parapet ladder secured to the mounting panel and including: a first ladder rail; a second ladder rail; and a plurality of rungs, each of the plurality of rungs extending from the first ladder rail to the second ladder rail, the parapet ladder defining a first end configured to be secured to the parapet of the elevated structure and a second end distal from the first end and configured to contact a surface of the elevated structure, a top surface of the parapet being offset above the surface of the elevated structure by a wall height of the parapet.

Abstract: A fall arrest system includes a ladder configured to provide access to an elevated structure and a fall arrest device configured to be secured to the elevated structure, the fall arrest device including an upper anchor, the upper anchor including a first end configured to be secured to the elevated structure and a second end distal from the first end.

Abstract: A method for using a mobile anchor cart assembly can include repositioning the mobile anchor cart assembly from an anchored position to a mobile position on a ground surface, mobile anchor cart assembly including a cart, the cart including a frame resting upon the ground surface in the anchored position, the frame clearing the ground surface in the mobile position; and an axle assembly mounted to the frame, the axle assembly clearing the ground surface in the anchored position, the axle assembly contacting the ground surface in the mobile position; and a load defining a load center of gravity, the load center of gravity being vertically aligned over at least a portion of the axle assembly in the anchored position; and rolling the mobile anchor cart assembly along the ground surface with the axle assembly.

Abstract: A retainer clip for a compression post includes a retainer body defining a first lateral body end, a second lateral body end opposite the first lateral end, a retainer opening formed through the retainer body and positioned between the first and second lateral body ends, and a retainer tab extending into the retainer opening; and a substantially J-shaped ledge grip extending from the first lateral body end, the ledge grip defining a curved portion and a planar portion, the curved portion coupled to the first lateral body end, the planar portion extending from the curved portion distal to the first lateral body end, the planar portion extending beneath the retainer body.

Abstract: A fall arrest system includes a ladder configured to provide access to an elevated structure and a fall arrest device configured to be secured to the elevated structure, the fall arrest device including an upper anchor, the upper anchor including a first end configured to be secured to the elevated structure and a second end distal from the first end.

Abstract: An indicator for a compression post includes a leg defining an upper end and a lower end, the lower end configured to engage a support plate of the compression post; and an indicator bracket comprising a central portion coupled to the leg at the upper end and an indication portion oriented distal to the leg, the central portion defining a bend extending away from the leg such that the indication portion is laterally offset from the leg, the indicator defining a first visual indicator configured to indicate that the compression post is in either a compressed configuration or an uncompressed configuration.

Abstract: A guardrail base can include, in some aspects, a base body including a first foot, a second foot separate from and distal from the first foot, and a raised portion between the first foot and the second foot; and a rail mount including a fixed clamp body secured to the base body and a floating clamp body offset from and coupled to the fixed clamp body.

Abstract: Example aspects of an indicator for a compression post, a compression post for a building, and a method for using a compression post are disclosed. The indicator for a compression post can comprise a leg configured to engage a support plate of the compression post; and an indication portion supported by the leg and comprising; a first visual indicator configured to indicate that the compression post is in an uncompressed configuration; and a second visual indicator configured to indicate that the compression post is in a compressed configuration.

Abstract: A method for using a mobile anchor cart assembly can include repositioning the mobile anchor cart assembly from an anchored position to a mobile position on a ground surface, mobile anchor cart assembly including a cart, the cart including a frame resting upon the ground surface in the anchored position, the frame clearing the ground surface in the mobile position; and an axle assembly mounted to the frame, the axle assembly clearing the ground surface in the anchored position, the axle assembly contacting the ground surface in the mobile position; and a load defining a load center of gravity, the load center of gravity being vertically aligned over at least a portion of the axle assembly in the anchored position; and rolling the mobile anchor cart assembly along the ground surface with the axle assembly.

Abstract: A retainer clip for a compression post includes a retainer body defining a first lateral body end, a second lateral body end opposite the first lateral end, a retainer opening formed through the retainer body and positioned between the first and second lateral body ends, and a retainer tab extending into the retainer opening; and a substantially J-shaped ledge grip extending from the first lateral body end, the ledge grip defining a curved portion and a planar portion, the curved portion coupled to the first lateral body end, the planar portion extending from the curved portion distal to the first lateral body end, the planar portion extending beneath the retainer body.

Abstract: A fall arrest cart assembly includes a cart including a frame defining a front end and a rear end, the front end disposed opposite from the rear end, the frame including a first side rail and a second side rail extending between the front end and the rear end; and a penetrator assembly coupled to the cart, the penetrator assembly including an outboard penetrator including at least one outboard spike, the penetrator assembly movable about and between an extended position and a retracted position, the at least one outboard spike positioned outward from the first side rail and the second side rail in the extended position, the outboard penetrator configured to engage the at least one outboard spike with a ground surface when the cart is positioned on the ground surface with the penetrator assembly in the extended position.

Abstract: Example aspects of an indicator for a compression post, a compression post for a building, and a method for using a compression post are disclosed. The indicator for a compression post can comprise a leg configured to engage a support plate of the compression post; and an indication portion supported by the leg and comprising; a first visual indicator configured to indicate that the compression post is in an uncompressed configuration; and a second visual indicator configured to indicate that the compression post is in a compressed configuration.

Abstract: A method for using a mobile anchor cart assembly can include repositioning a cart of the mobile anchor cart assembly from an anchored position to a mobile position on a ground surface, the cart including a frame defining a front side and a rear side, the frame defining a front foot and a rear foot, the front foot and the rear foot resting upon the ground surface in the anchored position, the front foot and the rear foot clearing the ground surface in the mobile position; and an axle assembly mounted on the front side, the axle assembly clearing the ground surface in the anchored position, the axle assembly contacting the ground surface in the mobile position, the front foot positioned between the axle assembly and the rear foot; and rolling the mobile anchor cart assembly along the ground surface with the axle assembly.

Abstract: Example aspects of a retainer clip for a compression post, a compression post for a building, and a method of adjusting a length of a compression post are disclosed. The retainer clip can comprise a retainer body defining a first lateral body end, a second lateral body end opposite the first lateral end, a retainer opening formed through the retainer body and positioned between the first and second lateral body ends, and a retainer tab extending into the retainer opening; a biasing element positioner extending from the second lateral body end, the biasing element positioner comprising a positioner end wall, the positioner end wall defining an inner surface; and a biasing element engaging the inner surface of the biasing element positioner.

Abstract: A fall arrest system includes a ladder configured to provide access to an elevated structure and a fall arrest device configured to be secured to the elevated structure, the fall arrest device including an upper anchor, the upper anchor including a first end configured to be secured to the elevated structure and a second end distal from the first end.

Abstract: A ladder dock system can include a ladder dock including a mounting panel and a connecting panel connected to the mounting panel, the ladder dock defining a ladder notch. The ladder dock system can further include a ladder configured to provide access to an elevated structure and sized to rest against the ladder dock, the ladder notch sized to receive and fix a position of the ladder relative to the ladder dock.