*(maintenance
based on UK£200 yearly maintenance & spare
parts costs)
Competition
Grease Trap (conventional)
Cost
Delivery
Civil
Works
Maintenance*
Total
£625
£40
£400
£8400
£9465
*(maintenance
based on UK£70 desludging costs per month to keep
system efficient and avoid smells and blockages)
Enzyme Systems
Grease Trap (conventional)
Cost
Delivery
Civil
Works
Maintenance*
Total
£1660
£40
£100
£6000
£7800
*(maintenance based on UK£45 monthly
cost for enzymes to keep system efficient)
Enzyme systems
clear pipes of the FOG but cause problems in sewage
treatment plants and pumping stations – Problem taken
very seriously by Local Councils who will be faced with
the
problem eventually
