AT-PAC DESIGN & ENGINEERING - EMERGENCY STAIR TOWER FOR COAL MINE

April 12, 2022


AT-PAC provided an advanced Design & Engineering solution for an emergency stair tower scaffold as requested by a mine operator in Australia. The scaffold had to be installed between two coal bins for emergency access & egress use during routine maintenance work. AT-PAC utilized the Ringlock system scaffold standard components, and the lightweight Ringlock Aluminum Platform Stair was integrated into the core tower. The customer requested the stair tower to reach a maximum height of 37m and bridge across to a permanent walkway at the top of coal bins. Tie connections between the scaffold and adjacent bins were provided by installing custom fabricated structural steel frames at two elevations (3.6m and 23.7m) 20m apart. 


AT-PAC designed a solution to overcome the 20m span between ties by installing large 1.0m aluminum beams vertically connected to Ringlock Ledgers. This provided the necessary horizontal restraint required to stabilize the slender scaffold structure. The AT-PAC team produced the engineered drawings and supplied the Ringlock material from our regional branch-based network. 


Our engineered solution reduced man-hours to install additional ties and created safe access and egress solution that was erectable and optimized the material requirements. 


To view the model of the scaffold, please use this link. AT-PAC 3D Scaffold Design

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