Large-Scale Pipe Installation & Replacement Services

High-capacity piping for commercial and industrial sites.

From office buildings to industrial facilities, high-capacity piping requires expertise and precision. We provide large-scale installation and replacement services for water, gas, and waste systems, using durable materials designed for commercial demands. Our experienced plumbers ensure your infrastructure is future-proof, fully compliant, and built to withstand heavy use. Whether upgrading old systems or installing new ones, we deliver efficient, long-lasting results.

What our customers say:

Our work

We take pride in every job we complete, delivering quality workmanship and reliable solutions. The photos below showcase some of our recent projects.

Real results from a team committed to doing things right.

FAQs for Large-Scale Pipe Installation & Replacement

  • We handle high-capacity water supply lines, waste and stormwater drainage, and gas infrastructure for commercial and industrial facilities.

    Installations are designed to withstand heavy demand and meet or exceed all relevant building codes.

    If you need reliable pipe installation or replacement, get in touch with us today.

  • Replacements can be disruptive, so we carefully plan phasing to minimise impact on tenants or operations.

    In some cases, we stage work outside of peak hours or section the system so only part of the building is offline at any one time.

    Our focus is on keeping your site as operational as possible while upgrading infrastructure.

    If you’re planning a pipe replacement project, click here to get in touch with us now.

  • Yes. We work closely with engineers to design efficient layouts that improve water flow, reduce future maintenance, and meet compliance requirements.

    This design input saves time and money by reducing rework and avoiding design oversights.

    If you’d like design support for your next project, get in touch with us here.

  • Every system is pressure tested and signed off with compliance documentation.

    Where appropriate, we also provide CCTV inspection footage for record-keeping.

    This creates a clear trail of certification that’s invaluable for council sign-off and future audits.

    If you’d like pipework tested and certified for compliance, click here to get in touch today.

  • Cost is driven by building size, pipe length, depth of runs, and access.

    We provide clear, itemised quotes so project managers can plan accurately.

    While these projects are a significant investment, quality installation prevents recurring costs and future liability.

    If you’d like a detailed cost estimate for large-scale pipework, get in touch with us now.

Get In Touch

Get In Touch

At Garcia Plumbing & Gas, we're committed to providing top-quality plumbing and gas fitting services across Wellington, Porirua, and Hutt City.

Whether you're dealing with an emergency leak, planning a kitchen or bathroom renovation, or need maintenance on your gas appliances, our experienced team is here to help.

We look forward to assisting you with prompt, reliable, and professional service.