§ 60.206. E.

Earth-sheltered structure. Any completed building constructed so that fifty (50) percent of the exterior surface area of the building excluding garages and other accessory buildings is covered with earth, and constructed to the following standards:

(1)

Eighty (80) percent or more of the roof area is covered with a minimum depth of twelve (12) inches of earth;

(2)

Fifty (50) percent or more of the wall area is covered with a minimum depth of twelve (12) inches of earth;

(3)

Those portions of the structure not insulated with a minimum of seven (7) feet of earth shall have additional insulation.

Erected. The word "erected" includes built, constructed, altered, reconstructed, moved upon or any physical operations on the premises which are required for the building or structure. Excavation, fill, drainage and the like shall be considered a part of erection.

Erosion. The general process by which soils are removed by flowing surface or subsurface water or by wind.

Essential services. The erection, construction, alteration or maintenance by public utilities or municipal departments of underground, surface or overhead gas, electric, steam, fuel or water transmission or distribution system collection, communication, supply or disposal system, including towers, poles, wires, mains, drains, sewers, pipes, conduits, cables, fire alarm and police call boxes, traffic signals, hydrants and similar equipment in connection therewith, but not including buildings, which are necessary for the furnishing of adequate service by such utilities or municipal departments for the general health, safety or welfare.

Excavation. Any breaking of ground, except common household gardening and ground care.