Glossary Source QCVN 01:2019/BXD

A small linear underground technical infrastructure work for installing cable lines and technical pipelines.

A linear underground technical infrastructure work with a large size to ensure that people can perform the tasks of installing, repairing and maintaining equipment and technical pipelines.

The construction space of underground works including: underground public works, underground transportation works, underground technical hubs and underground portions of above-ground construction works, underground cable lines, underground technical pipelines, technical trenches and tunnels.

The minimum space in width, length and height, running along or surrounding technical infrastructure works.

The minimum distance to ensure hygiene, safety and environmental requirements of the polluting source (or the building or work containing the polluting source).

The height measured from the ground elevation of the building according to the approved planning to the highest point of the building (including vaulted or sloped roofs). For buildings with different ground elevations, the height is measured from the lowest…

The space between the red line and the construction boundary.

The boundary line identified on the planning map and in the field to delineate the boundary between the land allowed for construction (above ground and underground portions) and the setback space.

The boundary line identified on the planning map and in the field to delineate the boundary between the land allowed for construction and the land reserved for traffic roads or technical infrastructure works, other public spaces.

The ratio of the total floor area of the building including basements (excluding floor areas serving technical systems, fire fighting and prevention, emergency shelters and parking of the work) to the total lot area.

– Net building density: the ratio of the ground coverage area of main architectural structures to the lot area (excluding the ground coverage area of outdoor structures such as decorative landscapes, swimming pools, parking lots, sports grounds and technical infrastructure…

– Public service system: healthcare, education, culture, sports, commerce and other public service buildings; – System of parks, flower gardens, playgrounds; – Other social infrastructure systems.