FIELD: mining industry. SUBSTANCE: method involves taking direct measurements of elements of height of all characteristic reference points and distances between them along an axis positioned at a prescribed angle and optimum distance from the slope. The device has stationary rope 1, anchors 2, winch 3, movable rope 4, thrust coupling 5 with rubber lining 7 and four pinch bolts with nuts. The coupling has a cone-shaped inlet hole. Pear-shaped weight 10 is attached to the end of the movable rope. EFFECT: higher efficiency. 2 cl, 4 dwg
