Transmission Gully Drainage
| Project Title: |
Transmission Gully Drainage |
| Client: |
CPB-HEB J.V. |
| Location: |
Eastern Porirua, Wellington, NZ |
| Duration: |
24 Months |
| Scope: |
Silverstrand were engaged by CPB-HEB J.V. to undertake the installation of the transverse drainage as part of the 27km four lane Transmission Gully Motorway project.
Scopes of work included:
- Supply of all labour, tools, plant and equipment;
- Survey of works;
- Construction and maintenance of access roads;
- Installation of temporary stream diversions;
- Excavation, installation and backfilling of 10km + of 300mm dia to 2400mm dia HDPE & RCP pipes;
- Electrofusion welding of HDPE pipes;
- Placement of geotextiles;
- Installation of pre-cast manholes, headwalls and pits; and
- Installation of rock protection and rip-rap.
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