Interceptor
An interceptor (also known as a grease trap or separator) is a plumbing device that catches and prevents unwanted materials from entering the main sewer system. Think of it like a filter for plumbing systems in restaurants, auto shops, or industrial buildings. It works by slowing down water flow and separating materials like grease, oil, food particles, or other waste before they can cause problems in the main sewer lines. Plumbers work with these devices to install, maintain, and repair them to keep buildings up to code and prevent environmental issues.
Examples in Resumes
Installed and maintained Interceptor systems in commercial kitchens
Performed monthly cleaning and maintenance of Grease Interceptor units for 15 restaurants
Supervised Interceptor installation projects for automotive repair facilities
Typical job title: "Plumbers"
Also try searching for:
Where to Find Plumbers
Professional Organizations
Job Boards
Example Interview Questions
Senior Level Questions
Q: How would you handle a large-scale interceptor installation project for a commercial kitchen?
Expected Answer: Should discuss project planning, code compliance, team coordination, sizing calculations, and proper installation procedures. Should mention experience managing similar projects and problem-solving abilities.
Q: What factors do you consider when sizing an interceptor system?
Expected Answer: Should explain how they calculate based on facility type, expected flow rates, local codes, and discuss experience with different sizing requirements for various applications.
Mid Level Questions
Q: How often should interceptors be maintained, and what does maintenance involve?
Expected Answer: Should describe typical maintenance schedules (monthly/quarterly), cleaning procedures, inspection points, and signs of problems to watch for.
Q: What are common problems you've encountered with interceptors and how did you solve them?
Expected Answer: Should discuss typical issues like clogs, odors, or overflow problems and demonstrate knowledge of troubleshooting and repair procedures.
Junior Level Questions
Q: What is the purpose of an interceptor in a plumbing system?
Expected Answer: Should explain basic function of separating unwanted materials from wastewater before it enters main sewer lines, and why this is important.
Q: What safety procedures do you follow when working with interceptors?
Expected Answer: Should mention basic safety practices like wearing proper protective equipment, following confined space procedures if applicable, and proper cleaning protocols.
Experience Level Indicators
Junior (0-2 years)
- Basic interceptor maintenance and cleaning
- Understanding of plumbing codes
- Safety procedures
- Basic tool operation
Mid (2-5 years)
- Interceptor installation
- Troubleshooting and repairs
- Maintenance scheduling
- Code compliance verification
Senior (5+ years)
- Project management
- System design and sizing
- Team supervision
- Complex installation coordination
Red Flags to Watch For
- No knowledge of local plumbing codes
- Lack of experience with commercial plumbing systems
- Poor understanding of safety procedures
- No familiarity with maintenance schedules
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