These damages were documented in detail by architectural surveys and photographs. Their restoration could be performed partially, according to available financial means. It was suitable for smaller grants. After the restoration in the streets, fountains and buildings' facades was done, the traces of damages vanished during the time; therefore the detailed surveys of the damages filed in the Institute for Restoration became more precious in the documentary sense.
A detailed architectural survey of the damages was done together with description, a proposal of intervention, list of expenses and photographs for the damaged stone fragments of the buildings like cornices, frames, door and window-jambs, staircases as well as for public communal structures and traffic areas. High quality photographs with dimensions taken 'in situ' and proposals of the restoration methods were made for damaged stone ornaments, complicated decorative stone elements and sculptures.
The basic principle of the historic structures is the respect for their authenticity. Therefore it is a rule to use traditional materials and techniques in their restoration. The example of Dubrovnik shows that it is not simple. Dubrovnik is built in stone from the Archipelago of Korčula. Small private quarries where the stone was delved in the past for building the City of Dubrovnik could be still exploited if they have not been abandoned and without necessary equipment and machinery. Smaller quantities of stone could be taken from them even in such conditions but the needs for restoration of Dubrovnik are much bigger. Therefore the stone from Korčula is used for more representative monuments and the others are restored with the stone from the island of Brač where the stone is of similar high quality, too.
After the restoration programme from the war damages is completed it is evident that the shelling during the war destruction left permanent damages on the stone facades which were not visible and registered at the first sight. Those are the damages on the stone roof canals for rainy water draining, cornices and joints which get very tiny cracks due to atmospheric agents and they deepen enabling water to get through into the walls. That causes corrosion of iron cramps and by enlarging its volume they knock out undamaged stone parts of the facades. We keep an eye on such damages for several years at the Rector's palace, the church of St.Blaise, cathedral, the Bishop's Palace and some other most valuable monuments that had been restored just before the war from the earthquake damages. This fact encourages the need of permanent restoration on the damaged facades of many monuments that have probably not been observed yet.