- Preparation proposals (descriptive memories of various specialties, tender specifications , bill of quantities, budgets and its negotiation, preparation of tender programmes). Offers for public work ( presentation of offers for public work in paper or electronic platforms ) - Follow-up work in the Safety component and Health at construction work, ensuring compliance with legal requirements, dignity and good environment of employees during the execution of their tasks. - Project planning expertise (Project stability, acoustic projects, thermal projects, project supply systems, and drainage of rainwater and wastewater, safety project fire and safety plans and health in draft form )