Completion Date

July 2018

An industrial building constructed over and around a fully operational fertiliser works.

We’ve completed a number of projects at Ravendown’s fertiliser Dunedin manufacturing plant over the years. One major project was a 1,150m² steel building to cover the existing acid plant and equipment in the sulphur melter works, and to provide additional storage for finished bagged product.

We worked closely with Ravensdown to carefully plan the project so that disruptive work involving disconnection and re-connection of services to the melter plant could take place during Ravensdown’s annual maintenance shutdowns, allowing the plant to continue operating as usual while we worked over and around it. We developed a full methodology and sequence of work, so Ravensdown’s operational staff knew what was happening when.

Works included a new steel portal-frame structure erected in the middle of Ravensdown’s plant and coordinated around their operations, re-levelling the existing concrete floor with a topping slab, insulating pipework and modifying it to suit the new building layout, building a new motor control centre room for the plant’s electrical equipment, and installing new high-level walkways to provide safe working access for the maintenance team.

The project was completed right on time and with no incidents, and the new building transformed part of the site. The completion of the project was a 10-year journey for the client, which started when the original building was declared unsafe and demolished. They are very happy with the end result.


Categories: Dunedin, Industrial & Civil, Pre-Construction