Trinity Congregational Cathedral, Seismic Stabilisation — Christchurch, NZ


ABOUT

JDMConsulting is a Christchurch based structural engineering consultancy focused on practical, buildable solutions across design, construction and site delivery.

Director | Joseph McGirr

With over 20 years’ experience, the practice combines structural analysis with hands-on construction understanding, working closely with contractors, consultants, and clients to deliver efficient and reliable outcomes. Experience spans infrastructure, commercial developments, seismic assessment and strengthening, and complex construction projects, with a strong focus on resolving challenges in live environments.

SERVICES

Structural Engineering Design

Design of traditional and commericial structures with a focus on efficient, buildable and compliant solutions.

SEISMIC ASSESSMENT & STRENGTHENING

Assessment of existing buildings and development of pragmatic strengthening solutions aligned with current seismic standards.

CONSTRUCTION ENGINEERING & TEMPORARY WORKS

Provision of practical construction methodology, temporary works design, and on-site engineering support during project delivery.

FOUNDATION DESIGN

Foundation design across a range of ground conditions, including TC3 and challenging sites requiring tailored geotechnical solutions.

CONSTRUCTION MONITORING & CONTRACTOR COORDINATION

On-site engineering input, contractor coordination, and timely resolution of construction issues to support efficient project delivery.