Greater fill heights for all pipes are possible provided attention is given to backfill materials and compaction.

Geofoam blocks are 80 times lighter than usual backfill materials!

The front side (36) of the wafer is then coated (24) with an underfill material (40).

At this time, certain medieval structures, which were no doubt in bad condition, were used as fill material!

The bags (16) can be of different length, the fill material can include a cementious material thereby to create a permanent structure and one to three spaced apart strands of barbed wire (22) can be used between layers of bags.

Dumping is defined as the “depositing of fill in a location other than where it was obtained” and includes moving fill from one location on a property to a different location.

Combined with the geotextile wrap, it requires no gravel or select backfill, and can be installed directly against a wall or structural member.

This option requires the least amount of imported fill material and has the shortest development timeline of all three SECT-based scenarios.

The layer can be created by arranging one or more fluid-filled envelopes in the backfill material alongside the construction.

This option requires the least amount of imported fill material and has the shortest development timeline of all three SECT-based scenarios.