Olsen Welding Ltd.
We are a mobile welding company servicing the greater Auckland area.

Olsen Welding Limited

Olsen Welding has been operating in New Zealand for 23 years, specialising in pump stations, water, wastewater gas pipeline welding, emergency repairs and the upgrading of the Greater Auckland networks as required since 2005.

Also working with Structural Steelworks, Piling works , Certified Welding Services to ASME9 and ASNZS1554 standards.

Since 2000, we have been strongly committed to providing our clients with the highest level of service in the construction industry. Building and maintaining relationships with our clients is at the heart of Olsen Welding.
We believe in a proactive approach in our business and especially to quality, safety and delivery. If we get this right, we give our clients confidence and peace of mind.

Our services range from, but are not limited to:
• CLS Pipelines and Pump Stations
• CLS and Concrete Lined Steel Pipe
• Emergency Water and Sewer works
• Gas pipelines
• Structural Steelworks
• Fabricated Fittings
• Piling works • Certified Welding Services to ASME9 and ASNZS1554 standard

Why Us?

Focus on Safety

  • A culture of safety with systems to support IT
  • Dedicated in-house health & safety professionals
  • Ongoing investment in training & equipment
  • SNETWORLD pre-qualification
  • Totika pre-qualification
  • Member Safe365 Premium Partner Program
  • Team Site Safe trained
  • Team Construct safe trained
  • Team confined Space Trained
  • Team working at heights Trained
  • Team loads and slings Trained
  • Team First Aid Trained

Our Strengths

• Competitive pricing
• Diverse activities and depth of experience with the ability to work in varying operational environments
• A culture of quality, safety and integrity

Real Values

Respect | Energy & Effort | Attitude | Leadership

• Lending a hand to help our communities prosper
• Acknowledging our history & strengthening our future
• Set high standards and achieve them
• Deliver on our promises and provide value for our customers
• Set direction and take action
• Be fair and transparent
• Coaching and training potential into brilliance
• Encourage teamwork and collaboration

Our Projects

  • 2022 Marchcato Rosedale wastewater pump station upgrade
  • 2022 Marchcato Castor Bay wastewater pump station upgrade
  • 2020/ 2021 Marchcato Silverdale/Milldale Orewa No 2 500 diameter CLS pipeline installation
  • 2021 Fulton Hogan Hibiscus 500 diameter Booster Pump Station
  • 2021 Marchcato Huia No 1 upgrade 900 diameter CLS pipeline
  • 2021 Marchcato 500 diameter CLS upgrade Papakura
  • 2020 Fletcher Construction Hobsonville wastewater pump station installation
  • 2020 Marchcato Waikato 50 Tuakau pump station installation
  • 2019/ 2020 Brain Perries North Harbour no 2 1200 diameter CLS installation

John Olsen : Managing Director

Managing director, John served his time served as a boiler maker and has been involved in the Construction industry for 40 years, John has work experience around the globe, being involved with Petrochemical industries, mining, structural construction, water, wastewater pipeline and pumpstation up grades. A family operated business, Johns personal priority and commitment is to maintain the personal wellbeing and safety and all team members. All Olsen Welding Senior Welders are highly skilled to AMEE( and ASNZ1554 standards.

• Boilermaker welder apprenticeship
• Watercare health & safety inducted
• Confined space ticket
• Qualified Welder ASME9 and ASNZS1554

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