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Surface UUMI at Kelvinhall, Glasgow Scotland, UK.

UUMI is not just underground, it also has surface interfaces, which enable the safe presence and operation of underground metro infrastructure (ventilation, lift, or escalator shafts, sub-stations, buildings). Access to metro stations can be through purpose-built buildings or through entrances provided within other forms of urban infrastructure.

Fig.1, shows an access passage to Kelvinhall Glasgow Subway station ticket office and station, through a tenement building. The station was constructed in the late 19th Century (1890s) to serve a densifying urban environment. The densification of that urban environment, saw the demolition of existing buildings and the erection of new denser buildings.

Fig.1: Access passage to Kelvinhall subway station ticket office and the station through a tenement building, the subway retaining ownership of the airspace within the tenement block. Source: Darroch et al., 2016.


In the instance of Fig.1, the development of a tenement building required the provision of access to the Subway station. During the modernisation of the Subway, in the 1970s, new ticket hall facilities were provided, with access provided through a passage from the main road through within the building.


Strathclyde Partnership for Transport (SPT), owner/maintainer of the Glasgow Subway, retain ownership of the airspace for the passageway, within the tenement block, but the building structure and apartments are owned/leased by multiple urban stakeholders.

Where proposals for urban management of the tenement building (window cleaning, repair to brick work etc.) occur, the safe continued presence and operation of the interfaces between SPT and the tenement building, would be required. Moreover, the safe use of the station and the public highway, by Subway, pedestrians, and highway, users, as urban stakeholders, would also be required, during the works.

Proposals for, design, undertaking, and management of the works of urban management would therefore have to be undertaken in such a way as to ensure the safe continued presence and use of the collective urban environment.  This would be achieved by a shared comprehension of the occurrences of the presence, property, and protection interfaces, and how, when, where, and why they occur, between the interfacing infrastructure stakeholders. This can only be achieved through the analysis of the occurrence of the interfaces, gathering of key evidence-based data, and effective sharing of that data, between the stakeholders.

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