The privately owned company of the Rokach family manufactures concrete and metal lids. In addition, the plant manufactures concrete pipes and other infrastructure products for sewage and communications
The manufacturer’s covers are made of metal or concrete, which usually features a metal label or is surrounded by a metal frame . The cover shapes include round , rectangular (often consisting of multiple covers) , or square . Round covers intended for sidewalks are usually surrounded by a square frame to ease paving work . This design characterizes a significant portion of the square covers made by this manufacturer. The square frame is often checkered, which is a typical trait of this manufacturer’s covers .
Sometimes, the covers are golden . City emblems or consumer logos appear on most covers . The purpose of the cover is generally marked on it . The year of manufacture appears only in a few cases . Many covers are made from a fixed mold, with additional plates attached as needed (city name, cover purpose, etc.) . Sometimes the plate is missing, either intentionally or due to wear .
Standards Most covers bear the certification mark of the Standards Institution of Israel (marked as SII) . The Israeli standard IS 489, specific to manhole covers in areas with vehicle or pedestrian traffic, is also present . The European EN124 standard and its associated load classes - most commonly B125 and D400 - are found on many covers .
Typical Covers A typical cover is round (sometimes with a surrounding square frame), with the emblem of the local authority or consumer at its center, and other details arranged in arcs around the emblem . Concrete covers typically feature a label in the center which may be accompanied by a metal label in the shape of an arch with the designation of the lid . Elliptical covers, usually used as water covers, are also found . Rectangular covers with a background of small squares, typically appearing in pairs or triplets, are commonly used for telecommunications .
Covers with a background of parallel vertical lines are typically used as covers intended for the communications industry . Other covers were usually made according to consumer specifications and are not unique to this manufacturer .