Square Interlocking Pavement Sewer Cleanout Design
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Solution Overview
Problem
Existing interlocking pavement systems face challenges with circular sewer cleanouts that create trip hazards and require complex installation, disrupting paver patterns due to the need for cutting and altering paver settings.
Innovation Solution
A square-shaped sewer cleanout with sidewalls forming a perimeter and a central aperture, featuring a circular protrusion for pipe retention and a planar face for easy installation, allowing for secure attachment of a sewer plate to prevent debris entry, made from materials like plastic, ceramic, or metal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If circular sewer cleanouts are used, then sewer line access is provided, but trip hazards are created and paver patterns are disrupted
Solution Approach 1:
The patent applies the opposite of spheroidality by using a flat, planar sewer cleanout surface that aligns with the surrounding paver pattern, eliminating the circular protrusion that causes trip hazards while maintaining sewer line access functionality
2Ease of operation
If circular sewer cleanouts are used, then sewer line access is provided, but installation complexity increases due to cutting and altering paver settings
Solution Approach 1:
The sewer cleanout is designed as a separate, modular component that fits within the paver system without requiring integration into individual paver units, allowing installation without cutting or altering paver settings
Solution Approach 2:
The flat sewer cleanout surface copies and matches the planar geometry of the surrounding paver pattern, allowing it to be integrated seamlessly without requiring custom fabrication or modification of existing pavers
Data Source
AI summary
A pavement sewer cleanout has a perimeter formed by sidewalls, and a sewer aperture at the center of the perimeter. A sewer surface is provided between form a path from the sidewalls to the sewer aperture. A circular protrusion is concentric with the sewer aperture and extends downwards from the sewer surface to engage with a sewer pipe.