BauSV
2011-04-05 21:49:28
- #1
Hello,
the item in question is a so-called shaft cone. This is a narrowing of an inspection shaft (e.g. for a sewer). Such inspection shafts have diameters of one meter and more. However, the shaft cover has a diameter of only 62.5 cm. Therefore, a narrowing is necessary. This is called a "cone".
Regards
the item in question is a so-called shaft cone. This is a narrowing of an inspection shaft (e.g. for a sewer). Such inspection shafts have diameters of one meter and more. However, the shaft cover has a diameter of only 62.5 cm. Therefore, a narrowing is necessary. This is called a "cone".
Regards