P18414: SOIL Composting Toilet and Urine Management

Integrated System Build & Test

Table of Contents

Team Vision for Integrated System Build & Test Phase

Team Vision


A document with the updated design of the cookie cutter insert can be found here.

Notes from our call with SOIL can be found here.


Testing Plan

Testing Plan

Pending Tests

The following tests were delayed because the risk of damage to the toilet was significant. The tests will be completed after the finalization of human subjects testing.

Force Toilet Can Withstand

Water Retention of Materials

Range of Motion While in Use (Rocking)

Weight of Toilet

Completed Tests

Percent of Urine in Feces Bucket

Percent of Diverted Urine in Urine Jug

Seat Surface Height from Ground

Cost of Toilet

Number of Components the Customer Directly Interacts With

Percent of liquid spilled from urine jug when emptying per 10 uses

Collection Container Accessibility

Corrosion Due to Cleaning Materials

Horizontal Squirt Test

Size of Largest Gap when Assembled

Number of Components the Need Modification After Assembly

Time Spent Cleaning

Lifespan of Shortest Lived Part

Percent of Materials Imported

Human Subjects Testing

The link to our survey can be found here: https://goo.gl/forms/eHK0cNV6jfN9zoOq2)

Risk Assessment

Updated Risks

Updated Risks

Updated Risk Table

Problem Tracker

Problem Tracker

Problem Tracker

The full document can be found here.

Design Review Material

This section will be updated accordingly with the feedback received from this review

Plans for next phase

Gannt Chart: https://docs.google.com/spreadsheets/d/1lmt-1QI4Z11OGKlsynFV_PNMe9Jcodknm5zzWjM0um0/edit#gid=508465554

Team Vision

Individual Visions






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