News – 2021-10-05
Foundation of A-masts with Comrod’s rock drilling concept
Throughout 2021, Comrod and a group of engineers and contractors have worked together to develop the installation of the A-masts by means of our unique rock drilling concept.
![a-mast-4-test](https://www.comrod.no/wp-content/uploads/a-mast-4-test.jpg)
Comrod has benefited significantly from collaborating with these in the project which resulted in a test with a double A-mast on Comrod’s test field, and finally a double A-mast delivered to Sygnir AS founded with the rock drilling concept.
![fundamentering-a-mast-new](https://www.comrod.no/wp-content/uploads/fundamentering-a-mast-new.jpg)
2xA-mast Kaupanger transformer mounted on rock drilled foundation
Height: 13 m
Mast leg: 10: 1
Composite weight: 782 kg per A
Total weight with steel accessories: 913 kg per A
![a-mast-2-full-new](https://www.comrod.no/wp-content/uploads/a-mast-2-full-new.jpg)