Modular Pod Restroom Design to Reduce Trailer Plumbing Complexity
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Solution Overview
Problem
Existing portable restroom systems, especially trailer-based multi-unit systems, are expensive to procure and maintain due to additional components like wheels, axles, and plumbing, and single-unit systems require frequent and costly on-site servicing, often resulting in inadequate cleaning.
Innovation Solution
A portable restroom system comprising plural individual restroom units connected as a pod structure supported by a chassis without wheels, featuring a unitary tank with a cleaning port and vent holes, and a forklift-compatible design for efficient transportation and maintenance, reducing the need for on-site servicing through efficient cleaning and lower operational costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If trailer-based multi-unit portable restrooms are used to provide conventional home-like bathrooms, then bathroom functionality is improved, but procurement and maintenance cost increases due to extra parts like wheels, axles, and plumbing
Solution Approach 1:
The portable restroom system is divided into multiple individual restroom units (first restroom unit, second restroom unit, third restroom unit, fourth restroom unit) that are connected together. Each unit can be independently serviced and maintained, allowing the system to provide multi-unit functionality without requiring a single complex trailer structure with all associated plumbing and mechanical systems.
Solution Approach 2:
The individual restroom units are designed to be universal components that can be connected in various configurations. The units share common structural elements and can be arranged to form different pod structures, providing multi-unit bathroom functionality through standardized modular components rather than custom trailer-based systems.
2Device complexity
If single unit portable restrooms are used to reduce cost, then procurement cost is reduced, but servicing difficulty and expense increases during extended deployments
Solution Approach 1:
The system segments the restroom facility into multiple independent units connected in a pod structure. This segmentation allows servicing crews to work on individual units without disrupting the entire system, making maintenance during extended deployments more efficient and less expensive compared to servicing a single large unit or trailer.
Solution Approach 2:
Multiple individual restroom units are merged into a connected pod structure that shares common structural support and exterior walls. This merging provides the cost benefits of simpler individual units while delivering the servicing advantages of modular architecture, as units can be accessed and maintained independently within the shared structure.
3Quantity of substance
If trailer-based multi-unit systems are used to provide multiple restroom units, then restroom capacity is improved, but maintenance cost increases due to multiple plumbing systems
Solution Approach 1:
The plumbing system is segmented into individual tank assemblies for each restroom unit, with each tank being a self-contained component. This segmentation allows each unit to be serviced independently, reducing the complexity of maintaining multiple interconnected plumbing systems within a single trailer structure.
Solution Approach 2:
The tank assembly is extracted as a separate, removable component from each restroom unit. This extraction allows the tank to be easily removed, serviced, or replaced without affecting the plumbing systems of other units, significantly reducing maintenance complexity and cost compared to integrated trailer-based plumbing systems.
Data Source
AI summary
A portable restroom system includes plural individual restrooms connected as a pod structure and supported by a chassis. Each restroom includes: a lockable door that opens to outside the pod structure; and a tank having a toilet with a toilet opening, a urinal with a urinal opening, a cleaning port, and two vent holes, all as part of a unitary tank body that defines an interior volume.