With a keen working knowledge of global best practices, ECNZ offers a range of engineering and pipeline transmission services. The company is capable of covering all phases of a project from design concept and feasibility studies through to commissioning and on-going operational engineering support, as well as project close-out and asset documentation management.

ECNZ can offer the following services:

  • Project scoping
  • Statutory and regulatory approvals
  • Stakeholder liaison (landowners, iwi, community/interest groups)
  • Project management
  • Feasibility studies
  • Conceptual design
  • Capital cost estimating
  • Front end engineering design (FEED) studies
  • Risk and safety management
  • Detail design
  • Peer review of designs prepared by other service providers
  • Management of design team(s) including other service providers
  • Procurement management
  • Construction management
  • Commissioning support
  • Operations and maintenance support
  • Due diligence
  • Audit and quality assurance
  • Document control
  • Survey

As a specialty area for ECNZ, the company has resources with significant experience in the design and construction of transmission pipelines (both cross country and urban) in sizes ranging from DN50 to DN1050.

We specialise in:

  • Design and construction of transmission pipeline meter stations and compressor stations
  • Specialist pipeline construction techniques (HDD, hot-tap tie-in, in-service realignment)
  • Pipeline condition assessment techniques (on-line inspection and defect assessment)
  • Preparation of work scopes for design consultants and management of design consultant deliverables
  • Peer review of designs prepared by other service providers
  • Coal seam gas developments
  • Processing facilities including separation, fractionation, and gas conditioning
  • Storage facilities for LPG and other hydrocarbon liquids
  • Wellhead facilities including temporary and permanent hook-up