– 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; four-foot way and walkways; enclosure walls, hedges, fencing; fire protection strips; apparatus for heating points; crossings, etc.; snow protection screens;
– aardebaan met name ophogingen, afgravingen, drainagewerken, greppels, gemetselde goten, duikers, taludbekledingen en -bepalingen, enz.; reizigers- en goederenperrons, laad- en loswegen; bermen en paden; omheiningsmuren, hagen en hekken; brandstroken; wisselverwarmingsinstallaties; sneeuwweringen;