An elliptical lid surrounded by a square frame.
The frame is similar to the frame of another elliptical lid Click for cover's details
While the elliptical part is similar to the elliptical parts of other lids, but the inscription is different. See, for example Click for cover's details Translation of the text on the cover
Sewage and Tunneling Division
The Standard mark of the Standards Institute of Israel
On the frame:
Tel Aviv Jaffa municipality