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Potable Water Network Design Handbook

Manuel de conception des réseaux d'eau potable

BNQ 3660-001
Potable Water Network Design Handbook

This draft document BNQ 3660-001 Manuel de conception des réseaux d'eau potable (French only)
is currently undergoing public review.
Click here for more information.


This design handbook for municipal drinking-water distribution systems was drawn up bearing in mind lessons learned from the past, and current municipal concerns and needs, while also keeping in mind what the future might hold (such as future developments or risks from flooding). The handbook is intended for the design of new drinking-water systems, but also to modifications to or extensions of existing systems.

In this respect, several important principles guided the selection of themes addressed and the writing of the various chapters and clauses. These guiding principles are as follows:

  • the preservation of natural resources and the environment;
  • the need to maintain the integrity of buried infrastructure to ensure its sustainability;
  • the preservation of the quality of distributed drinking water;
  • consumer health protection;
  • the elimination of hazards at source;
  • the health and safety of operators;
  • the integration of principles of sustainable development;
  • the consideration of climate change concerns.

The design handbook was developed to assist engineers in the design of municipal drinking-water distribution systems. It provides calculation methods, general design elements (criteria, data, assumptions, and projections), and recommendations on the guiding principles and engineering project, components, instrumentation, and control.

It is recommended that the design of non-municipal drinking-water systems follow the principles outlined in this handbook, particularly when it is anticipated, or likely that these systems be subsequently transferred to a municipality or local authority and become public.

Download Handbook (French only)

12815FRNBNQ 3660-001 Manuel de conception des réseaux d'eau potable
PROJECT IN PROCESS (planned date for publication: March 2024)

Committee members

Number of committee members: 12
Mr. Saad BennisÉcole de technologie supérieure (ÉTS) - Département de génie de la construction
Mr. Luc BrouilletteAssociation des directeurs municipaux du Québec (ADMQ)
Ms. Gabrielle EbacherVille de Laval
Mr. Donald EllisMinistère de l'Environnement, de la Lutte contre les changements climatiques, de la Faune et des Parcs (MELCCFP)
Mr. Daniel GagnonAssociation des firmes de génie-conseil (AFG)
Mr. Frédéric GaudetVille de Sherbrooke
Ms. Fatemeh HatamPolytechnique Montréal Chaire industrielle en eau potable
Mr. Louis-Philippe LeducGroupe Tanguay et Associés
Ms. Geneviève PelletierUniversité Laval
Mr. Valentin PfeifferVille de Laval - Service de la gestion de l'eau
Mr. Philippe RyanAssociation des ingénieurs municipaux du Québec (AIMQ)
Ms. Marie-Pier SimardVille de Montréal


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