The manufacturer produces metal manhole covers in a variety of shapes: mainly square , round , and occasionally rectangular . Unlike some other makers, this manufacturer does not produce round covers set inside a square frame to simplify paving around them.
No colored or gilded versions of these covers have been observed, and they do not typically feature municipal emblems. Both the cover’s intended function and its year of manufacture are usually absent.
Standards Many covers bear the European standard EN124 along with its load classes, most commonly B125 and D400 .
Typical Designs The surface patterns are generally geometric, including grids of squares , , arrays of small circles , or chevron motifs .
Additional variations can be found at the bottom of the page.