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October 2018
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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


12668FRNBNQ 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
1809-4001809-400:PAPIERPaperFrench2013-12-191104125 $
1809-4001809-400:PDFPDFFrench2013-12-191104125 $
1809-4001809-400R:PDFNetwork PDF LicenseFrench2013-12-191104375 $

Standards committee members

Number of committee members: 13
Mr. Patrice BergeronVille de Québec
Mr. Richard BergeronMinistère des Affaires municipales, des Régions et de l'Occupation du territoire (MAMROT)
Mr. Pascal ConacVeolia ES Canada Services industriels inc.
Mr. Mike DavisonSanexen Services Environnementaux inc.
Mr. George Del RioVille de Montréal
Mr. Ken DuongBPR
Mr. Stéphane JosephAcuro inc.
Mr. Patrice MurrayMinistère du Développement durable, de l'Environnement, de la Faune et des Parcs
Mr. Claude NazairMinistère des Transports, de la Mobilité durable et de l'Électrification des transports
Mr. Daniel PoirierCentre de développement des composites du Québec
Ms. Anna PolitoVille de Dollard-des-Ormeaux
Mr. Alem SakerAquarehab Eau potable inc.
Mr. Piero SalvoConsultants Sans Tranchée GAME

Contact

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