OUR MISSION: Develop and operate
safely, efficiently and profitably
a natural gas transportation
system across Quebec

Transmission Facilities

The control and monitoring of TQM Pipeline's transportation system are made through a control centre located in Calgary. Following an outsourcing agreement, the maintenance of the facilities is realized by TransCanada PipeLines regional-based personnel.

Technical data sheet

Type of pipe: steel pipe with a diameter ranging from 114,3 mm (4 in.) to 762 mm (30 in.)

Total length of the system: 572 km

Distance between mainline valves: 25 km approx.

Meter stations and delivery points: 31

Compression: three (3) electrical units of 7.0 MW each at Terrebonne (Lachenaie) and one (1) electrical unit of 3.2 MW at East Hereford

Les Cèdres to Lévis (Saint-Nicolas) mainline section: 313 km

Terrebonne (Lachenaie) to East Hereford section: 217 km

Laterals: 42 km

Laterals

Length (km)

Diametre (mm)

Right-of-way (m)

Boisbriand

6,3

508

18,29

Saint-Jérôme

10

168,3

12,19

Joliette

14,1

219,1

12,19

Louiseville

0,9

114,3

12,19

Trois-Rivières-Ouest

8,7

273,1

18

Québec-ouest

1,9

219,1

18

Right-of-way: 12 m (40 ft) to 23 m (75 ft)

Operating pressure

Les Cèdres to Lévis (Saint-Nicolas) mainline section and laterals:
4 000 kPa (580 lb/in2) to 7067 kPa (1 025 lb/in2)

Terrebonne (Lachenaie) to East Hereford Section:
4 000 kPa (580 lb/in2) to 9 928 kPa (1 440 lb/in2)