Lille urban heating network.

About 188 ML of firm slice and 88 ML of optional slice:

- the supply of pre-insulated tubes (tees, elbows, reducers and inking parts, sleeving, valves) with Nordic type monitoring system (humidity detection) with standard and greater insulation thickness;

- determination of mechanical stresses and thermal losses;

- the constraints of complex traffic lanes;

- unloading of tubes and accessories;

- stock management;

- laying of pipes in the trenches;

- the realization of welds according to standard EN 287-1;

- hydraulic testing of the pipes;

- connection of the monitoring system;

- the production of sleeves.