Fortetsia 3+3 is a six-module ground shelter from the Fortetsia line. A promising shelter for educational institutions with a large number of children. For sheltering employees of medium and large enterprises. For sheltering cars, medical and police special vehicles. For the formation of protected warehouses, production technology and gas stations. Due to the large protected area, the shelters can be effectively used to form a shelter for a large number of people. To increase the security of the shelter, it is possible to install the modules underground.
| Number of modules | 6 |
| Length | 15 330 мм |
| Width | 9 340 мм |
| Protected area | 83,17 м.кв |
| Number of vehicles to transport the shelter structural elements without floor slabs | 9 |
