- steel structures and bins fabrication;
- mechanical erection;
- piping erection;
- electrical erection.
- Installation of the transfer lines conveyers, transition ground, ladders and barriers;
- Installation of the aspiration system and air ducts, accompanying of the commissioning works;
- Fabrication and supply of the supporting steel structures and steel structures of the chimney;
- Installation of the drying unit for the gypsum drying.