As you read, keep in mind that there will be two reports for each suburb. The first (this series) is a technical report which will outline the data gathered for each area. The second, some time off yet, will be an interpretation/explanation of what the technical stuff means.
The Tai Tapu report (you can get it here) starts off with an introduction that describes its applicability (only for Sep. 4 earthquake purposes) and limitations (released for general information, should only be used for design purposes by those suitably qualified, only useful in the Sep. 4 earthquake context).
The report is divided into the following parts:
2. Project background
3. Site description
3.2 Regional geology
4. Geotechnical investigations
4.2 Cone penetration testing (CPT)