Nuclear Material Handling System

CSA N285.0 compliant system with 95% on-time delivery rate

Client

Westinghouse Electric Canada

Role

Senior Mechanical Designer

Duration

July 2023 - February 2024

Standards

CSA N285.0, ASME B31.3, ANSI Y14.5

Nuclear Material Handling System

Project Overview

Designed and documented a nuclear material handling system for safe transportation of radioactive components within a nuclear facility. The system required strict compliance with CSA N285.0 standards for nuclear components and ASME B31.3 for process piping.

Key Challenges

  • Precision alignment requirements for radioactive material transfer
  • Seismic qualification for safety-critical components
  • Material selection for radiation environments
  • Documentation for nuclear quality assurance

Design Process

1

Requirements Analysis

Collaborated with nuclear engineers to define functional requirements, safety factors, and regulatory constraints. Developed design basis memorandum documenting all requirements.

2

Concept Development

Created multiple concept models in SolidWorks evaluating different material handling approaches. Conducted preliminary FEA on critical components.

3

Detailed Design

Developed complete 3D model with proper GD&T per ANSI Y14.5. Created fabrication drawings with nuclear-grade quality requirements.

4

Design Review & Validation

Conducted formal design reviews with engineering and quality teams. Performed tolerance stack-up analysis for critical interfaces.

Results & Impact

95%
On-time delivery rate for design packages
30%
Reduction in design revisions through thorough review process
100%
Compliance with CSA N285.0 requirements

Technical Specifications

Materials

  • Stainless Steel 316L for radiation resistance
  • High-density polyethylene for shielding components

Key Components

  • Remote handling mechanisms
  • Radiation shielding doors
  • Precision alignment guides

Design Features

  • Fail-safe interlocks
  • Seismic restraints
  • Contamination control surfaces
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