Sanitary control based on a cleaning protocol
– Remove solids by rinsing, – Steam treatment, rinse again and drain bung down for 12 h – Drying at 5g – Bung hit
Physical inspection
– No broken staves or bottom pieces (tolerance for bung staves with surface microcracks) – Galvanized rings correctly tightened (tolerance for oxidized but not rusted rings) – Chestnut hoops correctly tightened and tied
Finishing
External sanding