Outage Surveys — Rockhampton

TL;DR: An outage survey in Rockhampton is precision measurement delivered inside the fixed window when Stanwell Power Station, a Bowen Basin coal-handling plant, or a Fitzroy processing asset is taken offline for maintenance. Because every offline hour at a generating unit or CHPP runs $50,000-200,000 in lost output, a shutdown survey in Rockhampton has to be planned to the hour, executed to sub-millimetre tolerances, and kept off the critical path. Industrial Spatial Solutions delivers outage and turnaround survey to Central Queensland's power, coal and heavy-industry operators.

Key takeaways

• A shutdown survey in Rockhampton is an outage scoped to a specific, time-bound window — typically a Stanwell generating-unit outage, a Bowen Basin CHPP shutdown, or a rotating-equipment overhaul — where the asset earns nothing until it restarts and the survey must never sit on the critical path.
• ISS achieves ±0.3-1.0 mm alignment accuracy, ±0.02-0.05 mm coaxiality with a FARO laser tracker, and 2-6 mm at 50 m laser-scan accuracy using Leica MS60 MultiStation, TS16 total stations and RTC360 scanners, all calibrated to ISO 17025 and tied to MGA2020/AHD.
• The work splits into pre-outage baseline capture, in-outage alignment and fit-check, and post-outage as-built verification before recommissioning — phases planned 4-6 weeks ahead and compressed to the Stanwell or mine-site schedule.
• Central Queensland's primary outage users are the 1,460 MW Stanwell Power Station, Coronado's Curragh CHPP near Blackwater, Stanmore and Whitehaven coal operations, and the Gracemere fabrication corridor that rebuilds their plant.
• Work is held to AS 1418 (crane runways), AS 4100 (steel structures) and OEM tolerances, conducted under the Coal Mining Safety and Health Act 1999, with CASA Part 101 drone support where aerial as-built is required.

Table of contents

• Why Rockhampton needs outage survey specialists
• Where shutdown surveys happen around Rockhampton
• The outage survey process in a Central Queensland window
• Methods, equipment and accuracy
• Standards and compliance in Queensland
• Costs for an outage survey in Rockhampton
• Why ISS for Rockhampton outages
• Frequently asked questions
• What to do next

Why Rockhampton needs outage survey specialists

Rockhampton is the service and logistics capital of Central Queensland — the southern gateway to the Bowen Basin coalfields, the staging point for the Stanwell energy precinct, and a rail and fabrication city on the Fitzroy River. Almost all of that industrial value is locked up in assets that, sooner or later, have to come offline: turbines, boilers, coal-handling and preparation plant (CHPP), conveyors, train loadouts and ship loaders. When they do, the maintenance team has a fixed, expensive window to strip, rebuild and recommission — and that is exactly where a shutdown survey in Rockhampton earns its place.

An outage survey is the dimensional control, alignment and as-built measurement work carried out while an asset is shut down for a defined maintenance outage. The term is most common in power generation — a unit outage at a coal-fired set like Stanwell, or a boiler and turbine overhaul — but it applies equally to a Bowen Basin CHPP shutdown or a Fitzroy processing turnaround where the line is deliberately taken out of service. The problem it solves is simple to state and expensive to get wrong: when the asset is offline, the team must remove worn components, install rebuilt equipment, and put everything back within tolerance, and they need independent measurement to prove each step before the next one starts.

The financial logic in this region is unforgiving. A generating unit at Stanwell or a coal chain feeding the Aurizon Blackwater system loses $50,000-200,000 for every hour it stays offline, and a 14-day shutdown that slips three days because survey scope was discovered on the run can cost close to half a million dollars before any rework. The outage survey is one of the few activities that can either protect that window or quietly blow it, depending entirely on how it is planned.

Key point: A shutdown survey in Rockhampton is not a routine alignment job that happens to fall during an outage. The defining constraint is the window. Methodology, crew size, instrument choice and reporting cadence are all chosen to fit the schedule — a method that is "more accurate" but two hours slower can cost more than it saves.

Where shutdown surveys happen around Rockhampton

Central Queensland concentrates the exact asset classes that drive outage survey demand. The work is rarely greenfield — it is dimensional control on operating plant that has been deliberately stopped.

Key outage and turnaround sites served from Rockhampton

These outages run on different cycles. Coal-fired sets like Stanwell schedule minor outages annually and major overhauls on a multi-year cycle; Bowen Basin CHPPs and mills run planned shutdowns where the reline, girth-gear and conveyor window is short and unforgiving. In every case the survey has to be ready the moment an area is accessible — never before, never after.

The Gracemere Industrial Area and the Stanwell-Gracemere corridor add a second front. The workshops there build and rebuild the structural steel, conveyor components and mechanical assemblies that go into these outages, and dimensional control during fabrication catches fit-up errors before the module ships — often reducing site rework on complex assemblies by a third or more. Verifying a rebuilt component in the shop is far cheaper than discovering it does not fit when the crane is already holding it inside a live outage.

The outage survey process in a Central Queensland window

ISS runs every shutdown survey in Rockhampton to a phased protocol refined across power, coal-handling and mineral-processing turnarounds. The phases compress or expand with the outage length, but the sequence holds.

Scope definition and methodology (4-6 weeks pre-outage)

ISS reviews the outage work list, isolates every survey-dependent activity, and maps a measurement methodology against the outage schedule. A pre-outage site visit to Stanwell, the mine or the CHPP confirms access, hazards, control requirements and line of sight. This is where critical-path survey tasks are identified so they can be resourced rather than discovered mid-shutdown.

Control network establishment (1-2 weeks pre-outage)

A stable 3D control network is set around the work area with a Leica TS16 or MS60, using monumented or semi-permanent reference points positioned to survive scaffolding, crane movements and demolition. Establishing control before the area is congested is the single biggest time-saver during the outage itself.

Pre-outage baseline capture

As-found geometry is captured while the plant is still running or immediately after stop: rotating-equipment centrelines, bearing elevations, tyre and roller positions, removal clearances and structural references for reassembly. This baseline is the reference against which all post-work measurement is judged.

In-outage execution

The core of the work. ISS measures in sequence with mechanical activity — dimensional verification after removal, alignment setting during rebuild, fit-check and clearance survey before installation, and level and flatness on cleaned foundations. Reflectorless and tracker measurement keep technicians clear of live lifting in the turbine hall or under the CHPP. Critical results are reported on the spot so the next activity is never held up.

Post-outage verification and recommissioning

A final pass confirms every adjusted component is in tolerance and captures the as-built condition. A short-form compliance summary is issued before recommissioning; deviation tables, fit-check confirmations, as-built plans and registered scan data follow within 5-10 business days.

Watch out: The most common cause of survey-driven outage overrun in the region is not measurement error — it is scope discovered too late. Treating the surveyor as a day-of call-out rather than a planned, scheduled resource almost guarantees lost hours waiting for control, access or line of sight.

Methods, equipment and accuracy

Outage equipment has to be accurate, portable, fast to deploy and tolerant of heat, dust and vibration — the standing conditions inside a Stanwell turbine hall or a Bowen Basin CHPP. ISS selects the instrument to the task and the schedule, not by default.

The Leica TS16 robotic total station (±1 mm + 1.5 ppm, 1" angle) and the Leica MS60 MultiStation are the workhorses for control, alignment and set-out, with Automatic Target Recognition allowing remote operation that keeps the surveyor out of exclusion zones around active lifts. The Leica RTC360 scanner captures dense point clouds at 2-6 mm accuracy at 50 m with a full setup in under two minutes — the fastest route to comprehensive as-built capture of internals, pipework and clearance envelopes during the window. For the tightest alignment — turbine couplings, large bearing bores, machined seating faces — a FARO laser tracker delivers ±0.015-0.025 mm at typical working ranges, the accuracy a steam-turbine shaft or a mill girth gear demands.

All instruments are calibrated to ISO 17025 and traceable to national standards, with measurement uncertainty statements supplied alongside alignment deliverables. Deliverables are referenced to MGA2020 and AHD, or to a client's local plant grid, in the CAD, BIM and reporting formats your systems require. Where required for aerial as-built of structures, stacks or coal-handling galleries, CASA Part 101 drone capture supplements the ground survey.

Key point: Scanning and total-station work are complementary on an outage. The scanner captures the whole condition for as-built and fit-check; the total station and tracker deliver the sub-millimetre alignment numbers the mechanical team signs against. Using one where the other belongs either wastes window time or undershoots the tolerance.

Standards and compliance in Queensland

Outage work on Central Queensland coal and power assets sits inside a defined regulatory framework, and surveying is part of it.

• Coal Mining Safety and Health Act 1999 and Regulation 2017 — govern safety, health and structural monitoring at Queensland coal operations; survey-based deformation and as-built monitoring on CHPP and conveyor structures satisfies these obligations.
• Surveying and Spatial Information Act 2003 (Qld) — sets the standards for survey deliverables, including datum and accuracy; ISS deliverables align with ICSM standards and MGA2020/AHD.
• AS 1418.18 (cranes, hoists and winches) — the tolerance basis for crane runway and materials-handling alignment checked during outages.
• AS 4100 (steel structures) — the assessment basis for structural geometry and deformation results, with OEM or project tolerances applied where they are tighter than the code.
• CASA Part 101 (Civil Aviation Safety Regulations) — governs the commercial drone operations ISS conducts under a Remote Operator's Certificate with licensed remote pilots for aerial as-built capture.

Key point: ISS outage deliverables are produced to ICSM and Queensland statutory standards and accepted by operators and regulators without rework. Field staff hold standard Queensland coal-board medicals, generic and site-specific inductions, working-at-heights and confined-space certifications as required for power, coal and processing environments.

Costs for an outage survey in Rockhampton

Outage pricing is project-specific and quoted as a fixed fee or schedule of rates after a scoping call. Per-day rates run higher than routine survey because the work demands standby reliability, safety certification and often round-the-clock cover during the window. Indicative AUD ranges for the Rockhampton region:

A limited-scope shutdown survey might run around $15,000; a comprehensive program on a major Stanwell or Bowen Basin turnaround with continuous attendance and full scanning can exceed $60,000. Set against a single hour of lost generation or coal-chain throughput at $50,000-200,000, the entire program is recovered the moment it prevents one re-lift or one schedule slip. The genuine cost is not the survey — it is the extended outage an unplanned survey causes.

Why ISS for Rockhampton outages

ISS services Rockhampton, Gracemere, Stanwell and the wider Fitzroy region from its Queensland base, mobilising crews directly to site and integrating with planned shutdowns, FIFO/DIDO rosters and 24/7 maintenance windows. The outage market here rewards a specific kind of provider:

• Shutdown and turnaround discipline — survey planned around your outage schedule, isolations and hot-work restrictions, with crews available around the clock during critical windows and scope locked 4-6 weeks out.
• Industrial specialisation — surveyors who have worked turbines, coal-handling plant, conveyors, mills, crane rails and rail infrastructure, not generalist cadastral teams.
• OEM-independent measurement — ISS aligns and verifies equipment from any manufacturer using consistent methodology, with redundant instrumentation so a single equipment failure never stops the line.
• Fast, fit-for-purpose data — critical results reported on the spot, processed field data typically within 24-48 hours, point clouds in 3-7 days, all in your datum and your formats.
• Capacity where it is scarce — Central Queensland faces a persistent shortage of specialist surveyors; ISS provides the mechanical and dimensional-control capacity that is hardest to source locally during a peak outage season.

This page covers outage work specifically; for the full picture of ISS in the region, see our Rockhampton surveying hub, and for the discipline in detail, the outage survey service.

Frequently asked questions

How quickly can ISS mobilise for a shutdown survey in Rockhampton?

We mobilise crews to Rockhampton, Gracemere, Stanwell and the surrounding mine and power sites directly from our Queensland operations. For planned shutdowns we lock in crews to your schedule well in advance — ideally 4-6 weeks out — and provide around-the-clock coverage during the critical outage window. Late bookings risk unavailable crews and lost window hours, so the earlier we scope, the safer your schedule.

Can an outage survey be done without extending the window?

Yes — that is the entire point. Well-planned shutdown survey work runs parallel to mechanical activity and stays off the critical path. The surveyor measures when an area is ready and reports before the next activity needs the result. Overruns come from late scope and missing control, both of which planning eliminates.

Does ISS have experience with Stanwell-type power and coal-handling plant?

Yes. Our surveyors work across turbines, generators, boilers, CHPP and coal-handling conveyors, mills, ship and train loaders, and rail infrastructure. We understand the alignment tolerances, the safety and isolation regimes, and the shutdown timing this work demands in a Central Queensland power and coal environment.

What accuracy do you achieve during a Rockhampton outage?

Alignment work is typically ±0.3-1.0 mm with total station and MultiStation, and ±0.02-0.05 mm for coaxiality and concentricity using a laser tracker. As-built scanning is 2-6 mm at 50 m. All instruments are ISO 17025 calibrated, deliverables are tied to MGA2020/AHD, and uncertainty statements accompany alignment reports.

What to do next

If you operate a power station, coal mine, CHPP, processing plant or fabrication facility in the Rockhampton and Fitzroy region with an outage, turnaround or unit shutdown coming up:

1. Call us on 0407 057 015 — speak with a surveyor who understands Central Queensland outages and the cost of a slipped window.
2. Receive a detailed proposal — methodology, schedule, safety plan and fixed-price quotation mapped to your outage work list.
3. Mobilise to site — we coordinate access, inductions and scheduling to integrate with your isolation plan and shutdown window.

Outage windows do not wait. Talk to ISS early to scope your shutdown survey in Rockhampton and request a fixed-price quote.

Industrial Spatial Solutions — Central Queensland experienced, shutdown-ready, power and coal capable.

Related reading: Rockhampton surveying hub, outage survey services, mechanical surveys, what is dimensional control?