Segregation quality decides whether the machine gets clean feed
Resident communication and collection discipline are part of the equipment project. The OWC should receive the organic fraction intended for processing, while dry recyclables and reject waste follow separate routes.

Run a short weighing study
For representative weekdays and weekends, weigh the stream that would actually enter the machine. Record contamination problems and any festival or community-event peaks separately.
Think beyond the machine room
The society needs a safe loading path, washing/housekeeping provision, electrical point, service access and curing/finished-material area. Neighbour sensitivity also makes ventilation and housekeeping especially important.
Make operation visible and simple
A laminated daily checklist near the machine can cover segregation check, load recording, loading, area cleaning, alarm observation and discharge handling. This reduces dependence on one experienced operator.
Choose from measured capacity bands
After weighing, compare the nearest published capacity and one size above it if recurring peaks are material. The choice should be documented so committee members can understand why that capacity was selected.
The machine only works as well as the society collection system
In an RWA, daily operations begin at the household and collection level. If wet and dry waste arrive mixed, the OWC area becomes a sorting station instead of a processing station. The procurement plan should therefore identify resident segregation, collection timing, secondary sorting if required, operator responsibility, daily weighing and the location where discharged material will cure.
- Define wet-waste collection before machine purchase.
- Weigh weekday and weekend loads.
- Assign an operator and backup responsibility.
- Keep curing away from mixed-waste handling.
For societies, segregation workflow is part of the equipment specification.
When the question becomes model-specific
This guide stays general. For exact figures on a particular machine, these published pages from the COMPOSTO range are the reference.
Applying this to a real site?
Send your site type, city and measured daily wet waste. The COMPOSTO technical team replies with the capacity and checks worth doing next.