supply of household ring compost house hold ring compost , establishing ring compost at household level , ( ferro cement ring of internal diameter 0.7 meter, thickness : 2.5 cm and hight: 0.5 meter placed over a circular ferro cement slab of diameter: 0.75 meter and thickness 2.5 cm ( without fixing ) . the ring to have a 30 cm x 30 cm opening on the side at the bottom with a ferro cement slab cover of the same curved shape which can be removed and refitted back tightly with a locking arrangement for removal of compost when ready the ring will also have a hole of diameter 2.5 cm at the bottom. ) circula ferro cement cover slab of 0.75 meter diameter and 2.5 cm thickness central circular hole of 0.3 meter diameter to cover the ring. the hole will have a lid cover which can be removed and refitted back. two sets of circula ferro cement rings resting on circula ferro cement slabs and covered by another circular ferro cment slab with provision for loading the waste from the top and removing the compost from the bottom.