Published: 2007 | Category: Construction , Asphalt , Specifications | Audiences: Road traffic engineers & consultants, Roading contractors
This specification and guidance notes describe the required properties of open graded porous asphalt for use as a surfacing course for road pavements. This mix type is intended to be used as a surfacing where there is a requirement for texture depth, noise reduction and /or splash and spray suppression.
Related information
Research Report 626: The long-term acoustic performance of New Zealand standard porous asphalt