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#24-01 Seismic resilience of new state highway bridges

Published:
Category: Technical advice note | Audiences: Road traffic engineers & consultants, Roading contractors

This notice updates and supersedes TAN #22-10, published 4th October 2022.

#22-07 Update to technical appendices for the State Highway Database Operations Manual (SM050)

Published:
Category: Technical advice note | Audiences: Road controlling authorities, Road traffic engineers & consultants, Roading contractors

This note is to advise that technical appendices three and four of the State Highway Database Operations Manual (SM050) have been updated and will need to be included in all maintenance contracts.

#22-04 Release of Bridge manual 3rd edition amendment 4

Published:
Category: Technical advice note | Audiences: Road controlling authorities, Road traffic engineers & consultants, Roading contractors

This technical advice note is to advise that amendment 4 to the Waka Kotahi NZ Transport Agency Bridge manual 3rd edition and amendment 1 to the Bridge manual commentary, both published in May 2022, are available on the Waka Kotahi website for downlo…

Estimation of the density of compacted aggregate layers by direct transmission

Published:
Category: Construction , Asphalt , Specifications | Audiences: Road controlling authorities, Road traffic engineers & consultants, Roading contractors

The T23 method for the estimation of the density of compacted aggregate layers by direct transmission is used to quantify the vertical uniformity of aggregate compacted in a pavement layer.