PLUG OF ROAD INSPECTION CHAMBER AND APPROPRIATE ROAD INSPECTION CHAMBER

摘要

FIELD: construction.;SUBSTANCE: invention relates to a plug for a road inspection chamber equipped with a frame, comprising a blocking element and a base body, forming a surface of covering of the road inspection chamber arranged in the plane of the plug and comprising a seat. The seat and the blocking element are made as capable of locking the plug relative to the frame or relative to the adjacent plug. The seat is made as capable of autonomous retention of the blocking element relative to the base body and with the possibility to resist movement of the blocking element in direction that is perpendicular to the plane of the plug, which attempts to move the blocking element from the surface of covering. Application for access doors for underground utilities.;EFFECT: possibility of blocking element installation.