Trenchless Rehabilitation

Standard BNQ 1809-400
Trenchless Rehabilitation - Water and Sewer Pipes

Municipal water and sewer systems must be replaced when they reach the end of their useful life. Replacement techniques exist that do not use the conventional open trench replacement method. These techniques are beneficial because they do not require that roads be dug up.

These techniques are called trenchless rehabilitation techniques. They are used to rehabilitate the insides of existing pipes.

The BNQ 1809-400 specification presents three rehabilitation methods:

• spraying a coating inside water pipes;
• lining water pipes by inserting a sheath soaked with thermosetting resin into the existing pipe;
• lining sewer pipes by inserting a sheath soaked with thermosetting resin into the existing pipe.

The first part of the specification proposes administrative clauses specific to this kind of construction work. The specification may be used in municipal invitations to tender, and its purpose is to standardize practices in this field. It provides a framework for the performance of construction work by dealing with the performance of structures. It has been developed for use by cities and municipalities of all sizes.

Download standard (French only)



12668	FRN	BNQ 1809-400	Travaux de réhabilitation sans tranchée - Conduites d'eau potable et d'égout --- Partie I : Clauses administratives particulières --- Partie II : Revêtement projeté pour les conduites d'eau potable - Clauses techniques générales --- Partie III : Chemisage des conduites d'eau potable - Clauses techniques générales --- Partie IV : Chemisage des conduites d'égout - Clauses techniques générales
Version Language Publication date Edition Updated on No. of pages Price + 1809-400 1809-400:PDF PDF French 2013-12-19 1 104 158 $ + 1809-400 1809-400R:PDF Network PDF License (5 users) French 2013-12-19 1 104 474 $

• Consult contents, Purpose and Scope (French only)

Standards committee members

Number of committee members: 13

Mr. Patrice Bergeron	Ville de Québec
Mr. Richard Bergeron	Ministère des Affaires municipales, des Régions et de l'Occupation du territoire (MAMROT)
Mr. Pascal Conac	Veolia ES Canada Services industriels inc.
Mr. Michael Davison	Sanexen Services Environnementaux inc.
Mr. George Del Rio	Ville de Montréal
Mr. Ken Duong	BPR
Mr. Stéphane Joseph	Acuro inc.
Mr. Patrice Murray	Ministère du Développement durable, de l'Environnement, de la Faune et des Parcs
Mr. Claude Nazair	Québec Ministry of Transportation
Mr. Daniel Poirier	Centre de développement des composites du Québec
Ms. Anna Polito	Ville de Dollard-des-Ormeaux
Mr. Alem Saker	Aquarehab Eau potable inc.
Mr. Piero Salvo	Consultants Sans Tranchée GAME

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