Ramp
Ramp: a structure designed for loading and unloading operations. A ramp is attached on one side to the wall of a warehouse, and on the other side it extends along a railway track (railway ramp) or an automobile access road (automobile ramp). A ramp may be located inside a warehouse. The height of the ramp above floor level depends on the type of transport
Source: "SP 56.13330.2011. Code of Practice. Industrial Buildings. Updated Edition of SNiP 31-03-2001"
(approved by the Order of the Ministry of Regional Development of Russia dated December 30, 2010, No. 850)