In this connection within the sphere of the regulations relating to the most significant tender published in national collective labour agreements and the social clause for safeguarding employment has been included: this involves the negotiated procedure tender by call for the entrusting - for five years - of the integrated and co-ordinated real estate property maintenance and management service, plant engineering and all the associated activities and management of the spaces within the sphere of the areas Hera Spa and AcegasApsAmga are responsible for (global service), with a tender amount of Euro 85.2 million.