1. Start from the project volume
Capacity follows from need, not the other way round. Take the total concrete volume, divide by production days, then by daily working hours.
Example: 60,000 m³ over 200 days at 8 hours a day gives 37.5 m³/h. With actual output at 60–70% of rated capacity, a 60 m³/h plant is a prudent choice.
2. Choose the type: stationary, mobile or containerised
| Criterion | Stationary | Mobile | Containerised |
|---|---|---|---|
| Time on site | Several years | A few months | Medium to long |
| Civil works | Significant | Minimal | Minimal |
| Transport | Oversize loads | Road trailer | Shipping containers |
| Common capacity | 60–240 m³/h | 30–120 m³/h | 25–100 m³/h |
3. Choose the mixer
A twin-shaft mixer suits high volumes and ready-mix. A planetary mixer suits precast and special concrete. A single-shaft mixer is enough for small output.
4. Size silos and aggregates
- One silo per cement and addition type, with autonomy matched to delivery frequency.
- As many aggregate bins as fractions used, plus a spare if possible.
- Admixture dosers for the number of products used.
5. Plan for climate and site
- Chilled water or ice for hot-weather concreting.
- Dust filters on silos and mixer.
- Reliable power: grid or generator.
- Spare parts available and operator training.
Frequently asked questions
What is a plant’s actual output?
On site, expect around 60–70% of rated capacity because of mix changes, truck cycles and stops.
Do I need a mobile plant for a road project?
Often yes, if the plant must follow progress. A stationary plant remains relevant if one site serves the whole project.
How do I get comparable quotes?
Fix capacity, mixer type, number of silos and aggregates, then ask each manufacturer for the same configuration.