HOBAS Standard Manhole

HOBAS Standard Manholes are made of GRP and are hence corrosion resistant on both the inside and outside. They consist of a HOBAS Pipe with a suitably designed channel.

  • Anti-buoyancy measure (either as GRP base plate or laminated concrete upturn)
  • Shaft pipe
  • Connecting branch
  • Berm (depending on national circumstances on site or pre-mounted)
  • Coupling on shaft pipe (for design in several parts)
  • Ladder
  • Manhole cover (accessories on request)