The franges serves to transfer loads from the installed metal lighting support to the foundation block.
Depending on the type of load taken, the franges are made with square flanges with 4 holes (type K), or with round flanges with more than 4 holes (type D).
Parts of the embedded element that structurally protrude from the foundation block are protected from corrosion in accordance with the requirements of SNiP 2.03.11 and GOST 9.602, which ensures their long service life.
Upon request, the embedded foundation part can have all external surfaces coated with bitumen mastic or hot-dip galvanized in accordance with GOST. 9.307-89.