English to Polish Tech/Engineering Construction / Civil Engineering

General tests to check the correctness of the structure layers according to the design documentation:
- Track surface layer thickness
- Concrete mixtures, types of concrete
- Types of aggregates within different layers.
- Items to absorb sound and muffle vibrations – If have been used isolation profiles and vibration isolation pads?
- If a distance between sleepers in the green track is done according to the design documentation?