The manufacturer’s manhole covers are made of metal

 

and are square

 

or round

 

in shape.

No colored or gilded covers were found for this manufacturer, nor do city emblems appear on the covers.

On many covers the intended use is not indicated; in cases where it does appear – drainage covers are characterized by drainage slots

 

.

The year of manufacture appears frequently

 

.

Standards
The European standard EN124 and its associated load classes appear on many covers, with the most common load classes being D400 and E600

 

.
The Austrian ÖNORM standard

 

and the Austrian B5110 standard

 

were also found.

Typical covers
Most of the manufacturer’s covers contain a background of squares, both on square covers

 

and on round ones

 

. There are 6 manhole covers in the site that are made by the Manufacturer
Click for the 6 covers made by Valdura Foundry (Of these, 0 are best covers)