From 2002 to 2005 W.T.E.  provided to M.E.T.A. Spa many interventions  of ordinary maintenance of the furnace-boiler system . These maintenance operations were realised on the three lines of the waste to energy plant sited in Modena.

Maintenance services included:

cleaning on line by Bang & Clean system of boilers and degasers;

Measurement of wall thickness, corrosion and residual life evaluation, steam boiler tubes;

Development of technical specifications for replacement of  boiler evaporator, convective section.