Onsite Sewerage: Hydraulic Design for Pressure Distribution Systems

Dots reversed

Self Paced On Demand Online Delivery

  • Three sessions.
  • Instruction by Ian Ralston, P.L.Eng. and Jim Andersen, AScT., ROWP.
  • Fees are $300 plus GST.

Course Purpose

This course provides training for sizing pumps, determining dose volume and frequency, achieving compliance with uniform dispersal standards of the SPM, timed dosing design, zoned dosing and other aspects of hydraulic design for onsite sewerage systems.

Including advanced competencies for timed dosing design and specification.

This course is suitable for Professionals (P.Eng., P.Geo.) and Practitioners (ROWP) with previous training and experience for onsite sewerage design.

Course Content

Pressure distribution design including the following topics:

  • Uniform dispersal standards.
  • Hydraulic design calculations for dose volume and frequency.
  • Friction loss and total dynamic head calculations.
  • Pump(s) sizing and selection.
  • Zoned dosing by indexing valves or duplex pumps.
  • Drain back strategies.
  • Brief review of demand dosing.
  • In-depth competencies for timed dosing design.


  • Three online sessions.
  • Pre-recorded sessions are used, with the full slate of learning resources and with individualized one-on-one support. Contact us for additional details.
  • Instructor-led lectures with learning exercises/case study.


To register for this course please select the ADD TO CART button. Or, we can reserve your spot (pay later!) - just let us know.

If you require additional information, please don't hesitate to contact us. Call or email us directly, or use the contact form below.

Cancellations received at least 7 days prior to course date will result in a full refund. Cancellations received less than 7 days prior to the course are subject to a $100 administrative fee, with full reimbursement of the remaining balance. Substitutions of attendees is permitted up to and including the day of the course.

EQUIP Training may have to postpone or cancel courses due to insufficient enrollment, in which case EQUIP's liability is limited to a full refund of the registration fee.

Get in touch!

We value one-to-contact. Please don't hesitate to call or email us for discussion about your pathway to ROWP certification or your professional development needs.

We are happy to help.

Phone: 250-468-9772

Contact Equip

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