3.3
Cover
Designer
- Specification of minimum cover (+ Nominal ) (EN 1992/I.S. EN 206 NA )
- For Durability
- For Fire resistance
- Cover to main bars / cover to links
- Cover to unformed surfaces
- Prestressing steel cover
- Execution class
- Curing class
- Cover versus concrete mix trade-off (EN 206 NA
Builder
- Spacer types/restrictions
- Reinforcement density
- Impact on compaction (e.g. poker size)
- Cover checking regime (pre- & post- pour) (Execution class)
- Concrete mix implications (e.g. aggregate size)
Producer
- Limitations on use of Additions : % in mix; declaration on delivery docket
- Aggregate size limitations
- Selection of suitable materials (in accordance with EN 206)
- Cover versus mix design trade-off (XC class)
Further Guidance
Main Standards – Reference
I.S. EN 1992-1-1
I.S. EN 206
See NA