Dear Laurie

 

This email acknowledges your below request for information made under the
Official Information Act 1982.

 

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Transport Agency for response. They will contact you if they require
clarification of your request, more time to respond, or if your request
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20 working days of receiving your request – in this instance on or before
20 August 2018.

 

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please contact us by email at [1][email address].

 

Regards

_________  _____________________________________________   

 

Ministerial Services

Governance, Stakeholders and Communications

50 Victoria Street, Private Bag 6995, Wellington 6141, New Zealand 

_________  _____________________________________________   

 

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-----Original Message-----
From: Laurie Petherick <[FOI #8372 email]>
Sent: Monday, 23 July 2018 6:33 PM
To: Official Correspondence <[NZTA request email]>
Subject: OIA-4009 REQUEST Official Information request - Kapiti Expressway
Pavement Failure

 

Dear New Zealand Transport Agency,

I refer to Mr. Chris Hunt's (Senior Manager Project Delivery) response to
Chris Turver under OIA-3860 dated 22 June 2018 in which he failed to
adequately answer several important questions relating to failure of the
Kapiti Expressway road pavement.

 

To allow the public to have a full appreciation of the endemic and
premature failure that has occurred to the Expressway pavement, please
supply the following information and details under the Official
Information Act 1982.

 

1. The specific Terms of the Alliance Agreement in relation to:

     (a) Design of the porous pavement.

     (b) Testing of the proposed pavement design.

     (c) Supervision of pavement construction.

     (d) Contractual liability of Alliance partners for fault or
negligence in  provision of each partners services.

 

2. Who were the professional advisers responsible for the Porous pavement
design and supervision (or observation) of construction? Did NZTA staff
have any input into the technical design of the pavement construction?

 

3. What was the porous pavement engineering design detail used for
construction including but not limited to all aspects of: subgrade;
basecourse; topcourse, impermeable barrier; crossfall grades; drainage
collection and disposal methology; porous asphalt paving thickness?

 

4. What was the purpose of providing asphalt  overlays to the left hand
lanes of both north and southbound lanes between Paraparaumu interchange
and Mazengarb Rd overbridge, following initial pavement failure?

 

5. What is the detailed design of the new construction repair work
currently being undertaken on the northbound left lane mentioned in 4
above and how will this result in a guaranteed repair suitable for the
expected design lifetime of a State Highway road of significance?

 

6. Is the current latest repair option going to be replicated on all lanes
of the Expressway?

 

7. How is it possible for a Govt organisation (NZTA) to be both the
client/funder and also an Alliance member responsible for the delivery of
the project and "the remedial treatment of all defects"?

 

8. In Mr. Hunt's OIA response he stated "The cost of pavement repair work
will be covered in accordance with the Terms of the Alliance Agreement."
What are the specific Terms in the Alliance Agreement relating to repair
work and responsibility for payment?

 

9. How much have repairs cost since the Expressway was opened until 30
June this year and how much of this cost has been funded by NZTA?

 

10. What proportion of total repair costs are likely to be paid by NZTA?

 

Yours faithfully,

Laurie Petherick, BE. CMEngNZ

 

26 Major Durie Place,

Waikanae Beach

Ph 04 2932 304

0274 477 439

 

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Dear Laurie

 

Please find attached the response to your request of 23 July 2018 for
information under the Official Information Act 1982.

 

Regards

 

_________  _____________________________________________   

 

Ministerial Services

Governance, Stakeholders and Communications

50 Victoria Street, Private Bag 6995, Wellington 6141, New Zealand 

_________  _____________________________________________   

 

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Find the latest transport news, information, and advice on our website:

[5]www.nzta.govt.nz

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