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#20-06 State Highway Construction Contract Proforma Manual (SM031) Issue 16

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

This note is to advise that issue 16 of the Waka Kotahi NZ Transport Agency State Highway Construction Contract Proforma Manual (SM031) has been released to be used for all future procurement of infrastructure projects and is available for download from the Waka Kotahi website.

#20-05 Contract Procedures Manual (SM021)

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

This note is to advise that the third edition of the Waka Kotahi NZ Transport Agency Contract Procedures Manual (SM021) has been released to be used for all future procurement of infrastructure projects and is available for download from the Waka Kotahi website.  

#20-07 State Highway Maintenance Contract Proforma Manual (SM032) Issue 11

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

This note is to advise that issue 11 of the Waka Kotahi NZ Transport Agency State Highway Maintenance Contract Proforma Manual (SM032) has been released to be used for all future procurement of infrastructure projects and is available for download from the Waka Kotahi website.  

#20-08 Use of GAP65 as a drainage medium to retaining and geotechnical structures

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

This note is to advise that there is an issue with the use of GAP65 as a drainage material and, as a result, this material must not be used unless its suitability for the works as designed is demonstrated. The new requirement applies from the date of this notice.

#20-09 Use of sonic drilling in ground investigations

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

This note is to advise that there is an issue with the use of sonic drilling as an investigation technique in the North Island and, as a result, this methodology must not be used unless its suitability for the works as designed is agreed with the road controlling authority. The new requirement applies from the date of this notice.

Quantitative Extraction of Bitumen from Asphalt Mixes

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

Test method to determine the bitumen content of asphalt mixes for the purposes of assessing compliance with specified requirements.

Audio tactile profiled roadmarkings

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

This specification and guidance notes apply only to audio tactile profiled (ATP) roadmarkings. These roadmarkings include rumble strips and provide all three of audio and tactile (vibratory) and visual information to road users. ATP roadmarkings used on the state highway must be on the current list of type approved markings. ATP markings that have current approval in terms of M/24 for use on state highways are listed in M/24 notes.

Pavement marking

Published: | Category: Application , Roadmarking , Specifications | Audiences: Road traffic engineers & consultants, Roading contractors

This specification and guidance notes apply to the reflectorised and non-reflectorised marking of sealed and paved road surfaces in paint, thermoplastic and other types of roadmarking materials. Thermoplastic application is limited to machine screeding, machine spray and machine extrusion. Paint shall be applied by machine spray methods only. Not recommended for use on state highways - please use P/22 Specification for reflectorised pavement marking.

Quality assurance level contracts

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

Q/3 Normal QA level contract specification covers the quality assurance requirements for contracts which have been assessed at the normal quality assurance level. Q/4 High QA level contract covers the quality assurance requirements for contracts which have been assessed at the high quality assurance level. Both specifications should be applied to all contracts on state highways which involve road construction, road maintenance, and structures. The guideline notes covers the roles of the client, consultant and contractor in the application of quality assurance provisions in roading contracts.

Vegetation control

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

This specification sets out the requirements and standards for the control of roadside vegetation on state highways.