Detention Tank Accessories: Ladders, Step Irons & Signage

Ferrum Engineering supplies certified access and safety accessories for on-site detention (OSD) tanks across Sydney. Our range includes AS1657 compliant galvanised steel cage ladders for confined tank access, aluminium OSD tank signage for compliance and safety notification, and drop-front or plastic encapsulated step irons for safe entry and exit. Every accessory is fabricated in-house to exact site specifications and built to withstand demanding civil and residential applications.

Why Choose Ferrum

  • Certified Australian Standards: Built to AS3996 (access covers and grates) and AS1657 (fixed platforms, walkways, and ladders).
  • Verified Load Ratings: Certified for Class B pedestrian-safe through to Class D heavy-duty trafficable applications.
  • Protective Coatings: In-house hot-dip galvanising to AS4680 and marine-grade 316 stainless steel options.
  • Authority Compliant: Fabricated to meet Sydney Water, TfNSW / RMS, and local municipal council requirements.
  • Local Sydney Manufacturing: In-house fabrication with direct turnaround and no overseas import delays.
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