planning process
Headquartered in Toledo, Ohio
Offices in Metro Detroit, Cleveland and Columbus


At Dunbar Mechanical planning is not a one-time event;
we look continuously for ways to improve your project.

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Dunbar Mechanical’s experience shows that 80% of all project savings are identified during our planning process.

planning process nw ohioWith a manufacturing industrial engineer on staff who provides scheduling from an overall systems perspective you will see our work is planned for your success. Dunbar uses the latest technology in the industry including Primavera Project Planner, the preeminent project scheduling software program, to its fullest potential to ensure you know what’s going on with your project. We also use Navisworks, an AutoCAD compatible 3-D modeling software system, to show you a 3-D version of your project before it begins.

Plans, schedules and needs evolve as every project progresses. Therefore, Dunbar's planning process helps us to anticipate potential problems and plan contingencies, going beyond the drawings to look at the real world conflicts that can arise. Our leadership creates solutions and increases value while keeping you up-to-date on the costs and labor forecast. Dunbar's experienced team manages and coordinates subcontractors and provides you with quick cost impact information from scope and schedule changes. We make sure you have the information needed to make sound business decisions.


Planning is a continuous process at Dunbar Mechanical. This fact is particularly important for our clients who have issues arise within their operations as is noted in the following comment from a chemical processing client whose planned shut down had to change:

When you came in to plan the work the meeting went really well. Don and Darrell had it all together and it went well. We planned it for a December shut down but had to cancel on you guys due to our production demands. We rescheduled and it went like clockwork, those three days. I just have to say I’m tickled with the way it went.


Plan. Plan. Plan.


commitment to planning

is the key

to success




Life Support Systems - A Planning Showcase

Project:             The Toledo Zoo Aquarium Renovation

Dunbar’s Role:  Prime Mechanical for Life Support Systems

At stake:           Lives of rare and exotic and marine species

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To ensure predictable excellence, Dunbar Mechanical employed a laser scanner to provide accurate measurements of the existing spaces in the Aquarium. We then layered the resulting point cloud into the drawings prepared on our CAD system. 

The Benefits: 

This extra effort illustrated a few conflicts including a 12” Reservoir Liner Wall (A) that was not included in the engineering drawings.

Our solution, (B) which accounted for the actual site conditions, was approved for fabrication and the Zoo will not experience delays and overruns which would have resulted otherwise.

Another collision of a planned pipe location (C) with concrete decking (D) was averted through this process as well.


Just 5 Connections Once On Site:

Installing a Steam Water Heater in The University of Toledo Pharmacy Building

What does planning do? Maximizes savings, reduces construction time, guarantees the highest quality and ensures safety. The installation of this unit was planned as a skid (below left) by Dunbar's CAD professionals and includes piping for domestic hot water, domestic cold water, domestic hot water return, steam condensate and steam as well as the associated equipment specified by the engineer. The unit at right was fabricated in the optimum environment of our production manufacturing fabrication facility then loaded on a flatbed and delivered to the project site via our fleet. At UT it was picked up and set in place with only five connections needed on site. Predictable excellence: it's part of how Dunbar is more than a specialty contractor, we are your contractor.


Dunbar.jpgDunbar Mechanical Planning/Production Manufacturing
Utilizes Trimble® RTS Series Robotic Total Stations
for Predictable Excellence

The professionals at Dunbar Mechanical provide project management services that go beyond drawings and flow charts to incorporate all of the real world conditions which are part of your project. To that end, we utilize the Trimble® RTS Series Robotic Total Station system to take information from the plans, check this against actual site elements and ensure accuracy in all details.





Dunbar’s trained professionals can accurately and individually lay out hundreds of points in a single day, even when the design is complex, with the help of Trimble® equipment and technology. Shown here on a recent Dunbar jobsite, the system incorporates data from the project plans/CAD layouts and enables laser accuracy in the field. The curved walls of the building under construction provided no fixed corner points for layout reference on this project. The Trimble system is set up on site and programmed with control points for the exact location of each bathroom plumbing assembly. The fabricated underground piping assemblies (completed in Dunbar’s Production Manufacturing Fabrication Facility) are positioned in place and the ground marked for excavation. When the correct depth is reached each unit is aligned through the center of the casings to the exact points indicated on the drawings. The units are then secured in place and progress continues on the site.

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What does this mean to you?

  • Increased accuracy

  • Greater cost savings

  • As-built monitoring checks

  • Units can be verified before fabrication against actual site conditions/measurements negating the need for changes in the field

  • Layouts are completed more quickly and accurately with
    reduced excavation time.




mechanical planning
Click above to see Dunbar's progressive scheduling in action


The people of Dunbar put you first through creative, innovative and dedicated service. Dunbar Mechanical continues to have our customers’ needs in mind and strives to provide best of class service. Dunbar Mechanical is more than a specialty contractor, we are your contractor. Contact the experienced professionals at Dunbar Mechanical for all of your mechanical contracting and service needs in northern Ohio and Michigan. Call Don Yerks, Director of Marketing today at 419-537-1900 ext. 242 or email We look forward to working with you soon.





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