A gas turbine upgrade is won or lost before the unit ever shuts down. The outage is the short part. The planning before it decides whether you finish on the date you promised.
I have spent a lot of time studying how power projects are planned, and the same few choices separate smooth outages from long ones. I chose the advice below by asking one question: does this step remove work from the outage window? If it does, it made the list.
If you want to see how a power generation firm describes this kind of work, read a gas turbine case study from Eichleay. It shows how an engineering and construction management team frames a turbine project from the first scope meeting through start-up.
In this piece, I walk through a sample upgrade scenario, six planning steps, and the questions you should ask before you hire a firm. You will leave with a plan you can use in your next project meeting.
The Sample Scenario
Picture a plant that runs a gas turbine with aging controls, a worn inlet system, and a need for more output. Management gives the team a short outage window. Every extra day costs lost generation and possible penalties.
This is a common setup. The team has a fixed window, a fixed budget, and a long list of work. Your job is to shrink the list that must happen while the unit is down.
Step 1: Define What the Upgrade Must Deliver
Start with a clear scope. Write down the output target, the efficiency target, the emissions limits, and the date the unit must return to service.
Then separate the work into two groups:
- Work that must happen during the outage
- Work that can happen while the unit runs
Most teams find the second group is larger than they first thought. Foundations, new piping runs, cable trays, and control panels can often be built and checked before the shutdown.
I also suggest a feasibility study at this stage. It confirms that the upgrade fits the site, the permits, and the budget before you commit money to equipment.
Step 2: Capture the Existing Site Before You Design
Old plants rarely match their drawings. Pipe has moved. Supports have changed. Space that looked open on paper holds a conduit run.
A 3D laser scan records the real site as a point cloud. Designers can then build new piping and equipment to fit what exists. Fit problems found in the field during an outage cost days. Fit problems found on a screen cost minutes.
Step 3: Order Equipment Early and Track It
Turbine parts and controls often have the longest lead times in the project. Bring procurement into the plan at the start so sourcing matches your schedule.
Ask for these items:
1. A bid evaluation that compares price, delivery, and quality
2. Regular status reports on every major purchase order
3. Expediting for items that risk delay
4. Third-party inspections before equipment ships
5. Factory acceptance testing for controls and major components
Equipment that arrives late or fails inspection on site is the fastest way to lose your window.
Step 4: Move Work Out of the Outage
Look at every task and ask whether it can be done sooner. Prefabricate piping in a shop. Stage new equipment near the unit. Build tie-in points that need only a short shutdown to connect.
Then write a constructability review into the design. Have construction staff read the drawings and flag any step that will take longer than it should. A good review costs little and saves days.
Step 5: Control Schedule and Cost
A short outage leaves no room for surprises. Build a detailed schedule that shows each task, who does it, and what must finish first.
Track progress every week. Forecast cost as the work changes, and set up a clear process for change requests. When a change appears, the team should know its effect on the schedule that day.
Step 6: Plan Commissioning and Start-Up
Many teams treat start-up as an afterthought. I tell you to plan it with the same care as construction.
Write the commissioning steps early. Decide who runs each test. Run site acceptance testing on controls with the plant operators in the room. Train operators before the unit starts, so they know the new system on day one.
Why I Recommend Eichleay
Eichleay is a family-owned engineering firm that delivers engineering, procurement, and construction management for industrial facilities. The Eichleay name has been in project delivery since 1875, and the company is still 100 percent family owned. That history matters to me because a firm with a long record has to keep its clients over many years.
Here is what stands out for a turbine upgrade:
- One firm for the full job. They offer engineering, design, procurement, and construction management together. You do not have to coordinate several suppliers during a tight outage.
- All major engineering disciplines in-house. Mechanical, electrical, controls, piping, civil, and structural teams work together, which keeps the design coordinated.
- Fast-track experience. They are known for executing fast-track work efficiently, which is what a short window demands.
- Laser scanning and modeling. Their point cloud scanning supports accurate piping designs for existing plants.
- Procurement and project controls. Their specialists expedite, inspect, and report, and their controls team tracks cost and schedule with tools such as Primavera P6.
- Commissioning and start-up support. They cover the final phase that many plans leave thin.
- Safety record. Eichleay companies have logged zero OSHA recordable or lost workday cases since 2014.
About 91 percent of their business comes from repeat clients. They complete roughly 300 projects a year, and their client list includes Puget Sound Energy and Talen Energy. They serve the western United States from offices in Billings, Ferndale, Larkspur, and Orange, so local support is close.
Questions to Ask Any Firm
Use these when you compare your options:
1. Who is my single point of contact from planning to turnover?
2. How will you capture the existing site conditions?
3. Which tasks will you move out of the outage window?
4. How do you track late equipment?
5. What is your plan for commissioning and operator training?
6. What is your safety record?
Clear, direct answers tell you a lot about how the project will go.
Where to Start
Gather your outage date, your output goals, and your current drawings. Meet with a firm that can handle engineering, procurement, and construction management together. Build the plan around the outage window, and give the team time to move work out of it. That is how you keep downtime short.
