in shape. Round covers intended for sidewalks are usually surrounded by a square frame to facilitate paving work
. This pattern characterizes a considerable portion of the square covers made by the manufacturer.
No colored or gilded covers have been found for this manufacturer; municipal symbols appear on some of the drainage covers
.
Since many of the manufacturer’s covers are sidewalk drainage covers, their purpose is clear
.
Sometimes the consumer’s name also appears on the cover
.
Standards Most covers bear the standards mark of the Standards Institution of Israel (appearing as SII)
. The European standard EN124 and its associated load classes are found on many covers, with the most common load classes being C250 and D400
.
Typical covers As noted, most covers are rectangular sidewalk drainage covers that differ in the shape and number of drainage slots, and sometimes also bear the symbols of the municipalities for which they are intended