What are the dimensions of the plate shown in the diagram?

Dimensions of the plate:

The diagram shows a plate with the following dimensions:

• The overall length is 90 units.
• The overall height is 40 units.
• There is a stepped section with a height of 30 units and a width of 30 units.
• A circular hole with a diameter of \( \varnothing 30 \) is present.
• The distance from the edge of the plate to the center of the hole is 22 units.
• A section of 15 units is indicated at one end.

Note: The material of the plate is specified as 'Сталь' (Steel).