Round lid surrounded by a square frame.
Note that the city symbol is inverted (as are the caps next to this cap).
On the same day, an almost identical cover was photographed on Ha’onot Street 1, Ashkelon, Israel, with the symbol properly displayed. Click for a larger image
The lid is similar to other manhole covers made by the same manufacturer, for example Click for cover's details Translation of the text on the cover
The emblem of the city of Ashkelon
Standard mark of the Standards Institute of Israel