AS/NZS 4455.2-2010 pdf free download.Masonry units, pavers, flags and segmental retaining wall units, Part 2: Pavers and flags. This Standard specifies minimum requirements for payers and flags for use in pavements carrying road traffic and pedestrians only. The payers and flags covered by this Standard include those made of concrete and fired clay (with or without shale). NOTES: I For...