Roofing Safety System with Master Spar and Shingle Shelf
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Solution Overview
Problem
Existing scaffolding systems for pitched roofs lack effective anchoring solutions that securely attach workers and materials, leading to safety concerns and material displacement during installation.
Innovation Solution
A roofing safety system comprising a master spar, anchor plates, and a shingle shelf, where anchor plates are secured to the roof decking, and workers are anchored using a cord and carabiner, while materials are secured by the shingle shelf, forming a stable anchor point.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional scaffolding systems are used on pitched roofs, then workers can access the roof surface, but effective anchoring solutions are lacking leading to safety concerns
Solution Approach 1:
The anchoring system is divided into separate functional components: anchor plates for attachment to roof decking, master spars for structural support, and independent cord/carabiner anchoring mechanisms. This segmentation allows each component to be optimized for its specific function while maintaining overall system reliability without excessive complexity.
Solution Approach 2:
Anchor plates are pre-installed and secured to the roof decking before workers access the roof. This preliminary action creates ready-to-use anchoring points, eliminating the need for complex real-time anchoring decisions and ensuring safety infrastructure is in place before workers arrive.
2Productivity
If workers are allowed on the pitched roof during installation, then installation work can proceed, but material displacement occurs during installation
Solution Approach 1:
The shingle shelf acts as an intermediary component between the master spar and roofing materials. It provides a stable platform that holds materials in place during installation, preventing displacement while allowing workers to efficiently access and install shingles without directly handling loose materials.
Solution Approach 2:
The system extends the working platform into three-dimensional space by suspending the shingle shelf from the master spar. This creates an additional dimensional layer for material storage and organization, separating materials from the ground plane and preventing displacement while maintaining installation accessibility.
Data Source
AI summary
The roofing safety system is a safety device. The roofing safety system is configured for use with a pitched roof. The roofing safety system forms an anchor point to which individuals and materials are attached during the installation of the pitched roof. The roofing safety system comprises a plurality of anchor plates, a master spar, and a shingle shelf. The plurality of anchor plates secure the roofing safety system to the pitched roof. The plurality of anchor plates attach to the master spar. The shingle shelf attaches to the plurality of anchor plates. The plurality of anchor plates removably attach to the pitched roof. Any individuals on the pitched roof are anchored to the master spar using a cord and a carabiner. Any roofing materials, such as a plurality of shingles, located on the pitched roof are secured using the shingle shelf.