According to the covers featured on the site, this manufacturer appears to specialize in linear drainage channels.

The manufacturer’s covers are made of metal

 

and are rectangular in shape

 

.

No colored or gilded covers by this manufacturer have been found.
Municipal emblems also do not appear on the manufacturer’s covers.

Since the manufacturer specializes in drainage channels, the purpose of its covers is generally evident.

The year of manufacture is usually not indicated on the covers.

Standards
The European standard EN 1433 and its associated load classes appear on many of the manufacturer’s covers, with C250 being the most common load class

 

.
In most cases, the CE marking also appears

 

.

Typical Covers
Two main types of drainage channels can be distinguished: those with curved slots

 

and those with straight slots

 

. There are 4 manhole covers in the site that are made by the Manufacturer
Click for the 4 covers made by Nicoll (Of these, 0 are best covers)