LOD DUOMO Digital Work Book. Through a collaborative platform on the Internet, you will be able to access all your contract information in one place. You can centralize and historically save the history of the contract such as certificates, guarantees, plans, tenders, reports, budgets, reports, spreadsheets, among others. LOD DUOMO is authorized by the MOP to offer the service to all contractors registered in the state. In addition, LOD DUOMO is 100% compatible with private, state and municipal works. The LOD DUOMO application is built and designed so that the tax inspector or technical work inspector and the contractor of the work can manage all the information of the contract awarded in a simple, fast and efficient way through their smartphone and synchronized with web services. from the core system. Developed with the latest technology available, this application automatically detects when connectivity circumstances are weak or non-existent, entering an offline mode, without affecting the scheduled workflow. The inspector will benefit from the use of LOD DUOMO, being able to even approve folios with his Advanced Electronic Signature without the need for any computer. Finally, the instant alert system allows control of all communications between the counterparties.