State of Conservation (SOC)
Roman Monuments, Cathedral of St Peter and Church of Our Lady in Trier (2001)
UNESCO Extra-Budgetary Funds
International Assistance granted to the property
Total Amount Ap proved:0USD
1996: joint UNESCO/ICOMOS mission; September 2001: ICOMOS mission
Factors* affecting the property identified in previous reports
Construction of urban villas and proposed urban development scheme (issue resolved)
Current conservation issues
The Bureau, at its twenty-fourth extraordinary session, requested the German authorities to formulate and implement planning regulations that will ensure the long-term preservation of the archaeological remains in this area. At the request of the Minister of Culture of the Land Rhenanie-Palatinat, ICOMOS undertook a mission to the site on 23 – 24 September 2001 to study the situation regarding developments in the neighbourhood of the Amphitheatre, and also to report on the state of conservation of the other monuments inscribed on the World Heritage List. The ICOMOS expert noted that the Roman Amphitheatre is well conserved, however, there is a conservation problem notably connected with the water table, concerning the important Roman remains revealed at the site of the former brewery. Some degradation and weathering were noted at the Barbara Baths, the Porta Nigra and the Imperial Baths. In general, the ICOMOS mission observed deficiencies in staffing, a shortage of maintenance personnel who could monitor the state of conservation of structures as well as the inadequate on-site interpretation. Furthermore, the ICOMOS expert has identified two potential extensions to the existing site which are: the Viehmarkt, where extensive rescue excavations have revealed substantial remains of a large Roman thermal establishment and the Simeonstift, the history and location of which are intimately linked to those of the Porta Nigra. The ICOMOS mission recommends that:
1. A major project for the study and re-excavation of the Barbarathermen, followed by scientific conservation and the implementation of a management plan, should be initiated without delay;
2. There should be a scientific study of the rate and nature of degradation of the stones of the Porta Negra, followed by the implementation of appropriate conservation measures;
3. Serious consideration should be given to the appointment of additional security and maintenance personnel at the archaeological sites;
4. Projects should be undertaken to improve the interpretation and signage at the archaeological sites;
5. Consideration should be given to the nomination of the Viehmarktthermen and the Simeonstift as extensions to the World Heritage site, subject to the opening to the public of the Viehmarktthermen and appropriate changes so as to restore the ambience of the latter.
The Bureau may wish to adopt the following decision:
“The Bureau takes note of the ICOMOS mission report and asks the German authorities to urgently take all the necessary steps to implement a management plan for the site. Furthermore, scientific studies on the rate and nature of degradation as well as conservation measures should be initiated. The Bureau further urges the German authorities to improve interpretation and signage at the site as stipulated in Article 5 (d) of the Convention and requests the preparation of a progress report on all the above to be prepared by 15 January 2003, in time for the twenty-seventh session of the Bureau in April 2003.”
View inscribed site documents, nomination file, reports, decisions, ...
The threats indicated are listed in alphabetical order; their order does not constitute a classification according to the importance of their impact on the property.
Furthermore, they are presented irrespective of the type of threat faced by the property, i.e. with specific and proven imminent danger (“ascertained danger”) or with threats which could have deleterious effects on the property’s Outstanding Universal Value (“potential danger”).