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New Mexico plumbers who complete this four-hour course on sanitary drainage systems (SDS) will understand the core principles of designing, installing, and maintaining efficient systems in commercial and residential settings.

Discover what makes a proper SDS by reviewing the following:

  • Proper installation practices—planning, material selection, and an overview of relevant codes commonly adopted in the United States
  • Sizing methods—including assigning drainage fixture units (DFU), determining system drainage load, horizontal drainage slope using Darcy and Manning’s formula, and alternative calculation methods for sizing
  • Fluid dynamics—piping layout and system design
  • Alternative systems and methods—eco-friendly and sustainable practices; advanced and non-traditional sanitary drainage systems
  • Grease interceptors—including installation, maintenance, and best practices for placement

This course gives plumbers a robust foundation for continued study and practice. It also underscores the essential role of SDS in protecting public and environmental health.

Multiple-choice quizzes come after each section to verify your understanding of the material. Answers and explanations are provided to help you identify and address any areas that require further review.

  • Course ID(s): 2024-657
  • Approved By: NM PB Regulation & Licensing Department - Mechanical/Plumbing Division

Instructor Bio

Randy Drake Profile

Randy Drake is a licensed, master plumber with over 32 years' experience in the industry. He founded a plumbing business in 1993 which he successfully sold in 2013. He currently works for a plumbing company based in Traverse City, Michigan.