A plank scaffold system and, more particularly, to a ladder-based vertically-adjustable plank scaffold system. The system may have a pair of ladders, a wall standoff mounted at the top of each of the ladders, a crane support mounted at the top of each of the ladders, a vertical guide bar and roller system to keep it from swinging on the cables, and a horizontal platform suspended on cables below the crane supports, the platform having a pair of cable winches mounted thereon for varying the elevation of the platform. Instead of ladders, tower scaffolds or stage towers may be used on each side to support the vertically-adjustable plank.

A plank scaffold system and, more particularly, to a ladder-based vertically-adjustable plank scaffold system. The system may have a pair of ladders, a wall standoff mounted at the top of each of the ladders, a crane support mounted at the top of each of the ladders, a vertical guide bar and roller system to keep it from swinging on the cables, and a horizontal platform suspended on cables below the crane supports, the platform having a pair of cable winches mounted thereon for varying the elevation of the platform. Instead of ladders, tower scaffolds or stage towers may be used on each side to support the vertically-adjustable plank.

A plank scaffold system and, more particularly, to a ladder-based vertically-adjustable plank scaffold system. The system may have a pair of ladders, a wall standoff mounted at the top of each of the ladders, a crane support mounted at the top of each of the ladders, a vertical guide bar and roller system to keep it from swinging on the cables, and a horizontal platform suspended on cables below the crane supports, the platform having a pair of cable winches mounted thereon for varying the elevation of the platform. Instead of ladders, tower scaffolds or stage towers may be used on each side to support the vertically-adjustable plank.

A free-standing demountable window safety assembly adapted to rest, in use, on the floor inside a room containing a window opening in a wall, and against the wall containing the window, without engaging with the window opening, said assembly comprising: —⋅(i) at least two feet (125, 126) adapted to engage with the room floor⋅(ii) at least two arms (121A, 121B, 135A, 135B) adapted to engage with the room wall adjacent to but spaced away from the window opening; ⋅(iii) at least two side portions (125, 123A, 135A, 133A) each supporting an arm; ⋅(iv) at least one linking member (111A, 111C) adapted to link opposing side portions or opposing feet in a substantially rigid fashion. The invention also includes methods of manufacturing and using such safety assemblies.

A free-standing demountable window safety assembly adapted to rest, in use, on the floor inside a room containing a window opening in a wall, and against the wall containing the window, without engaging with the window opening, said assembly comprising: —⋅(i) at least two feet (125, 126) adapted to engage with the room floor⋅(ii) at least two arms (121A, 121B, 135A, 135B) adapted to engage with the room wall adjacent to but spaced away from the window opening; ⋅(iii) at least two side portions (125, 123A, 135A, 133A) each supporting an arm; ⋅(iv) at least one linking member (111A, 111C) adapted to link opposing side portions or opposing feet in a substantially rigid fashion. The invention also includes methods of manufacturing and using such safety assemblies.

A panel is disclosed which is suitable for installation to form a platform or part of a platform in a void of a building structure. The panel is operable to extend between a first support member and a second support member both of which extend across at least a portion of the void. The panel has: a deck component with: a first end and a second end opposite the first end; a pair of opposed, substantially straight sides each extending from the first end to the second end; and a substantially planar surface portion which extends: between the opposed sides at the first end, and from the first end at least part of the way, but not necessarily all the way, to the second end; and one or more first engaging formations at the first end of the deck component and operable to engage with the first support member to support the deck component relative to the first support member, and one or more second engaging formations at the second end of the deck component and operable to engage with the second support member to support the deck component relative to the second support member. At least one out of the first and second engaging formation(s) is/are configured to support the relevant end of the deck component relative to the relevant support member from approximately directly vertically beneath, and/or from approximately within vertical planes containing, each of the straight sides of the deck component.

A panel is disclosed which is suitable for installation to form a platform or part of a platform in a void of a building structure. The panel is operable to extend between a first support member and a second support member both of which extend across at least a portion of the void. The panel has: a deck component with: a first end and a second end opposite the first end; a pair of opposed, substantially straight sides each extending from the first end to the second end; and a substantially planar surface portion which extends: between the opposed sides at the first end, and from the first end at least part of the way, but not necessarily all the way, to the second end; and one or more first engaging formations at the first end of the deck component and operable to engage with the first support member to support the deck component relative to the first support member, and one or more second engaging formations at the second end of the deck component and operable to engage with the second support member to support the deck component relative to the second support member. At least one out of the first and second engaging formation(s) is/are configured to support the relevant end of the deck component relative to the relevant support member from approximately directly vertically beneath, and/or from approximately within vertical planes containing, each of the straight sides of the deck component.

A plank scaffold system and, more particularly, to a ladder-based vertically-adjustable plank scaffold system. The system may have a pair of ladders, a wall standoff mounted at the top of each of the ladders, a crane support mounted at the top of each of the ladders, a vertical guide bar and roller system to keep it from swinging on the cables, and a horizontal platform suspended on cables below the crane supports, the platform having a pair of cable winches mounted thereon for varying the elevation of the platform. Instead of ladders, tower scaffolds or stage towers may be used on each side to support the vertically-adjustable plank.

A plank scaffold system and, more particularly, to a ladder-based vertically-adjustable plank scaffold system. The system may have a pair of ladders, a wall standoff mounted at the top of each of the ladders, a crane support mounted at the top of each of the ladders, a vertical guide bar and roller system to keep it from swinging on the cables, and a horizontal platform suspended on cables below the crane supports, the platform having a pair of cable winches mounted thereon for varying the elevation of the platform. Instead of ladders, tower scaffolds or stage towers may be used on each side to support the vertically-adjustable plank.

An apparatus for supporting workers and materials above-grade on both the cave and gable ends of a structure is disclosed. The apparatus can be combined with one or more additional staging apparatuses to create a staging system for the support of persons or materials while work is being done on a structure, e.g., roofing, siding, etc. The modular design of the apparatus simplifies installation, such that it can be readily attached to a roof or other support member of a structure by a single person, and facilitates the adjustable vertical positioning of people or materials along the walls of the structure. The staging system can also include a rail member for safety support and alternative scaffolding arrangements.