Abstract: A revision management system includes an inventory group manager (IGM), a work group manager (WGM), and a version manager (VM). The IGM generates and manages one or more lists for each of one or more elements logically related to each other as one or more inventory groups. The IGM also maintains and manages the lists of the elements in the inventory group and provides new elements to be added to the inventory group. The WGM selects the elements relating to a project that require modification. and selects elements from the inventory groups to form a project work group. The VM tracks and manages the modifications to the elements in the project work group, and generates reports with respect to the modifications responsive to user selectable criteria.

Abstract: A fall restraint system protects a worker while inspecting and/or repairing a roof of a building. The restraint system includes a ladder that is positioned against the building. A fall restraint device is removably connected to the ladder and contacts the roof. A cable support structure is connected to the fall restraint device, and a cable is attached to it. The cable extends from the cable support structure toward the peak of the roof, and from the peak toward the ground. The cable is adapted to be connected to a harness that is worn by the worker. The worker then uses the cable to inspect/repair the roof.

Abstract: A fall restraint system protects a worker while inspecting and/or repairing a roof of a building. The restraint system includes a ladder that is positioned against the building. A fall restraint device is removably connected to the ladder and contacts the roof. A cable support structure is connected to the fall restraint device, and a cable is attached to it. The cable extends from the cable support structure toward the peak of the roof, and from the peak toward the ground. The cable is adapted to be connected to a harness that is worn by the worker. The worker then uses the cable to inspect/repair the roof.

Abstract: A fall protection system is provided for protection of a worker on a building roof. The system includes a mast assembly resting on the ground and contacting a soffit of the roof. A cable support structure is secured to the mast assembly. A cable is connected at a first end to the cable support structure and includes a first portion extending upwardly from the cable support structure toward a peak of the roof and a second portion extending downwardly from the peak toward the ground and terminating at a second end. The second portion is adapted to connect to a harness secured to the worker. A weight hangs from the second end of the cable to hold the cable taut.