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Resources

Displaying 51 - 60 results of 152 for ""

P25 Pilot specification for calcined bauxite

Published:
Category: Skid resistance & texture , Surfacing , Specifications | Audience: Roading contractors

The NZ Transport Agency has released a pilot version of the P25 Specification for calcined bauxite for trial and comment.

Open-graded porous asphalt

Published:
Category: Construction , Asphalt , Specifications | Audiences: Civil engineering laboratories, 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.

P40 Specification for road-traffic noise mitigation

Published:
Category: Noise , Environment , Specifications | Audience: Road traffic engineers & consultants

This specification covers design, construction, documentation, post-construction review, and communication/engagement related to road-traffic noise mitigation.

Maintenance of unsealed shoulders

Published:
Category: Shoulder , Maintenance , Specifications | Audiences: Road traffic engineers & consultants, Roading contractors

This specification and guidence notes set out the requirements and maintenance standard for unsealed shoulders, both gravel and grassed, including feather edges, tapers and surface water channels where adjacent pavement is sealed.

Maintenance of stormwater structures

Published:
Category: Drainage , Maintenance , Specifications | Audiences: Road traffic engineers & consultants, Roading contractors

This specification sets out the requirements routine maintenance of stormwater structures.

Durability test method for bitumen

Published:
Category: Materials , Surfacing , Specifications | Audience: Roading contractors

Test method to assess the long-term field durability (resistance to oxidative hardening) of NZTA M1 penetration grade bitumens.

Determination of retroreflectivity

Published:
Category: Materials , Road marking , Specifications | Audiences: Road traffic engineers & consultants, Roading contractors

This specification describes the procedure for determining the retroreflectivity of road marking material.

Determination of heavy metal content in glass beads intended for use in pavement

Published:
Category: Materials , Road marking , Specifications | Audiences: Road traffic engineers & consultants, Roading contractors

This specification describes the procedure for determining the heavy metal content in glass beads intended for use in pavement marking materials.

Cleaning and recoating of steelwork coated with lead based paint

Published:
Category: Structures , Maintenance , Specifications | Audiences: Road traffic engineers & consultants, Roading contractors

This specification and guidance notes are for the maintenance painting of structural steelwork coated with lead-based paint.