How To Build An Underground 

Hobbit House

That You Can Live In, That Will
Last 100's Of Years
Plus Building Hobbit Bridges, Dams and Hydro Power
hobbit house construction toilet bathroom
Sewage pumping station
Because of the location of the structure all waste water requires pumping to higher elevation for disposal in septic field 
Rough in of Toilet fixture In Bathroom
Venting of Hobbit House
An inline fan provides suction via 4" pvc pipe which connects to hobbit house foundation wall. Cross ventilation occurs with opposite vent intake .
Rough in of Shower area
Electrical and plumbing service connections outside the Hobbit House