The manufacturer’s covers are made of metal

 

or concrete

 

and are round in shape

 

.

No colored or gilded covers were found from this manufacturer. Covers intended for municipalities usually bear the city emblem

 

.

The purpose of the covers is not indicated on most of them. On others, covers bearing the text KANALIZACJA serve as sewer covers

 

, and drainage covers are characterized by drainage slots

 

.

The manufacturer’s name appears on the covers as SO WINCENTÓW

 

or OŻW, meaning Odlewnia Żeliwa Wincentów

 

.

The year of manufacture of the cover is usually not indicated.

Standards
The European standard EN124 and its associated load classes appear on many covers, with the most common load classes being B125 and D400

 

. In addition, the Polish IO-CERT standard

 

and the Polish construction mark B

 

also appear. In several cases, the ITB mark - the Building Research Institute - is also present

 

.

Typical covers
The most common type has a background of squares

 

, or a cover with an emblem at its center

 

. Other types of covers can be seen at the bottom of this page. There are 17 manhole covers in the site that are made by the Manufacturer
Click for the 17 covers made by SO Wincentów (Of these, 0 are best covers)