The manhole covers in Rishpon are generally made of concrete
, metal
, or plastic (composite materials)
, and are either round
or rectangular
in shape.
The covers in Rishpon are not colored; golden-tinted covers do exist, mainly those produced by the manufacturer “Wolfman”
.
Covers intended for the Rishpon moshav usually bear the emblem of the Hof HaSharon Regional Council
.
The intended purpose of the cover generally appears on it (for example, sewer
), but the purpose of a significant number of the covers is unknown
.
The year of manufacture usually does not appear.
In general, the design of the covers in Rishpon is not unique and corresponds to the typical designs of each manufacturer.
Manufacturers The manufacturer’s name typically appears on the covers. Most covers are produced in Israel by several major manufacturers – Rokach Yosef & Sons
, Ackerstein
, and others.
A cover produced by the American company Carson Industries
was also found.
Standards The standards for the covers include Israel-specific standards: the Standards Institute of Israel certification mark
and Israeli Standard 489 (parallel to the international EN124 standard)
.
In addition, the international EN124
and the various load classes (B125 – D400)
also appear.