entirely underneath the level of the ground, e.g. air-raid galleries

Full Title

Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate > against air-raid or other war-like actions > Independent shelters; Arrangement of independent splinter-proof walls > entirely underneath the level of the ground, e.g. air-raid galleries

Classification Context

Section:

FIXED CONSTRUCTIONS

Class:

BUILDING

Subclass:

BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL