Building a Tailings Storage Facility Inspection Checklist Aligned to GISTM Topic IV

GISTM Topic IV. Design, Construction, Operation and Monitoring, is the part of the Global Industry Standard on Tailings Management that translates most directly into field inspection practice. Building a routine TSF surveillance checklist against Topic IV gives inspectors a defensible structure that maps directly to conformance reporting.

A practical structure covers five observation areas. First, the crest: elevation, alignment, cracking, settlement, and access road condition. Second, the downstream face: slope condition, vegetation, seepage observations, and any signs of piping or instability. Third, the beach and decant: beach length, water pond position relative to design, decant tower condition, and spillway. Fourth, instrumentation: piezometer readings against trigger thresholds, inclinometer checks, and survey monument movement. Fifth, ancillary infrastructure: spillways, emergency release points, pump stations, and catchment dams.

ANCOLD's Guidelines on Tailings Dams (2012, updated 2019) is the Australian reference and aligns well with GISTM. Dam Safety Reviews are typically required at five to seven year intervals under state regimes.

The Engineer of Record, a defined role in GISTM, should receive routine surveillance data and be consulted on any observation outside the Trigger Action Response Plan thresholds. TARPs are the formal link between instrumentation and emergency action, they should be reviewed annually.