LOCATION
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The steel needed rust removed in a busy CBD location, where the surrounding environment added real constraints to the method chosen. Traditional abrasive blasting would have brought containment requirements, media disposal and dust into a setting with neighbouring properties nearby, raising the risk of dust complaints and additional site management on a site with limited room to manoeuvre.
BlastOff addressed the corrosion with laser cleaning, working the steel members back to sound metal using a dry, low-dust process that produced no abrasive media or chemical waste to manage or dispose of. This kept the work self-contained without the scaffold wraps or media clean-up that abrasive blasting would have needed on a constrained CBD site. Once the steel was clean, a protective coating system suited to the surrounding environment was applied to the prepared surface.
The building owner received renewed protection on the structural steel without the scaffold wraps, media clean-up or wider site disruption that abrasive blasting would have involved. The laser cleaning and coating process was completed with minimal impact on surrounding tenancies, leaving the steel protected in a busy Auckland CBD setting.
A fabricator’s warehouse in Auckland’s CBD needed rust removed from its structural steel, but the location added real constraints to how that could be done. Traditional abrasive blasting would have meant containment structures, media disposal and dust management on a site with neighbouring properties close by, raising the likelihood of dust complaints and extra site management in an already tight central-city setting.
BlastOff addressed the corrosion with industrial laser cleaning instead, working the steel members back to sound metal using a dry, low-dust process that produced no abrasive media or chemical waste to manage. That kept the job self-contained, without the scaffold wraps or clean-up that abrasive blasting would have required in the same location. Once the steel was clean, a protective coating system suited to the surrounding environment was applied to the prepared surface, sealing in the corrosion protection while the site around it stayed largely undisturbed.
The building owner ended up with renewed protection on the structural steel and minimal impact on surrounding tenancies, a result that would have been harder to achieve with a conventional blasting scope in the same footprint.
Building owners and facilities managers with corroded steel in constrained CBD or multi-tenant sites should weigh up laser cleaning early in the scoping process, particularly where containment, noise or dust would otherwise affect neighbouring occupiers. Pairing the cleaning with protective coatings straight afterwards matters just as much as the cleaning method itself, since bare steel left exposed even briefly in a coastal or humid environment can start corroding again before the coating goes on. Central-city sites in particular benefit from a preparation method that does not need scaffold sheeting or exclusion zones, since these add cost and time on top of the corrosion work and can draw attention from tenants sharing the site. Anyone scoping a similar CBD project should ask early how the chosen method will affect neighbouring tenancies, not only how effectively it removes the corrosion.
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