aardebaan met name ophogingen, afgravingen, drainagewerken, greppels, gemetselde goten, duikers, taludbekledingen en -bepalingen, enz.; passagiers- en goederenperrons, inclusief in passagiersstations en vrachtterminals, laad- en loswegen; bermen en paden; omheiningsmuren, hagen en hekken; brandstroken; wisselverwarmingsinstallaties; wissels, enz.; sneeuwweringen;
Track and track bed, in particular embankments, cuttings, drainage channels and trenches, masonry trenches, culverts, lining walls, planting for protecting side slopes, etc.; passenger and goods platforms, including in passenger stations and freight terminals; four-foot way and walkways; enclosure walls, hedges, fencing; fire protection strips; apparatus for heating points; crossings etc.; snow protection screens,