Without limitations on material or section, using electric, hydraulic, and/or pneumatic machinery.
Controlled removal of cut elements: approved portable auxiliary equipment.
Without limitations on material or section, using electric, hydraulic, and/or pneumatic machinery.
Controlled removal of cut elements: approved portable auxiliary equipment.
Without limitations on diameter or length, using electric, hydraulic, and/or pneumatic machinery.
Small-sized machines: they can access by elevator, by stairs, or through an 80 cm wide door.