Methods of test for masonry units - Determination of volume and percentage of voids and net volume of clay and calcium silicate masonry units by sand filling Ingestion-build-47553 For applications under the CPR

For applications under the CPR this document and part 1 are to be used together

BS EN 868-2 of this series specifies validation requirements for forming

Layer 2: Infrastructure

BS EN 3841-301 is one of the parts in the series that specifies a method of verifying the voltage drop of circuit breakers

strengthening of requirements on operations and maintenance particularly when in degraded modes

Methods of test for masonry units - Determination of volume and percentage of voids and net volume of clay and calcium silicate masonry units by sand filling Ingestion-build-47553 For applications under the CPR1 Scope This European Standard specifies a method of determining the volume and percentage of voids and net volume of clay and cacium silicate masonry units containing cells, frog and holes.