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Dome Purchase Process

Dome Purchase Process

Air domes are one of the most affordable types of structures in existence. Below, we briefly discuss the costs of purchasing and owning a Broadwell Air Dome, as well as the general timeline of a dome project. We'll cover the detailed costs and considerations and the various steps needed to get your dome up and running.

Cost Considerations

Seasonal Tennis Dome
Seattle, Washington USA

Air Dome and Components

At minimum, you will need a single- or double-layer fabric envelope, air inflation units, and air lock doors (emergency, revolving, handicap-accessible, and vehicle/cargo air locks). You may also need our patented full cable harness system if needed for the dome to achieve your local wind and snow loads. If you need lighting, we have several options of UL-listed LED lights. If you need heating or cooling, our HVAC engineers will design the most effective and efficient HVAC system to achieve your temperature control requirements. Our remote monitoring system allows you to monitor your dome pressure and temperature from your mobile device. We can add insulation in-between a double-layer fabric envelope for added insulation value.

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Design and Engineering

Our architecture and engineering team is licensed in all 50 states and in 42 countries. It includes architects, civil engineers, structural engineers, HVAC engineers, and electrical engineers. For permanent domes, your city will require licensed engineers to stamp every element of your dome project. We have every engineer you need to accomplish this and manage this entire design, engineering, and approvals process.

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Foundation and Installation

Your dome will need to be anchored into the ground to counteract the uplift forces generated by pressurization of the dome, and by the wind loads that will be imposed on the dome. Permanent domes are most often anchored in a grade-beam concrete foundation, while our temporary domes are typically anchored with an earth anchor, sand ballast or concrete block anchorage system. We can also anchor the dome in an aluminum channel anchorage system.

Seasonal Pool Dome
Bel Air, Maryland USA

Ongoing Operational Expense

Broadwell's air domes are very cost effective to operate and maintain. Utility costs for domes range anywhere from $0.25 - $1 per square foot per year. Just like utilities in a home, utility costs vary widely depending on the insulation value of the dome envelope you choose, our specific electricity and gas rates, the weather, your usage of lights and HVAC units, etc. You will need to do regular inspections and maintenance of the dome and its components: fabric envelope, mechanical units, lights and doors, etc. Our North American based service teams can help to perform regular maintenance and fix damage to the dome or components

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Safety = $

Broadwell is the only air dome company in the world to have never had a dome catastrophically fail. Dome collapses cost owners a tremendous amount of money in lost revenue and repair costs. Our domes are safer because we use stronger materials than most other dome companies, and we engineer our domes with safety as the first priority. We have a more robust monitoring and control system, which will actively send you alerts and which you can check from your smart phone. We have by far the most on-staff designers and engineers of any dome company in the world, and we have invested millions of dollars in our 15 years of business to refine and improve the quality of our domes.

The Purchase Process

Step 1: Initial Scope Discussion

Our initial discussion will determine the scope of your project so that we can determine ball-park costs and identify next steps. Basic questions include:

  • What will be the size and use of your dome?
  • Will it attach to any buildings?
  • What is your timeline for needing the dome operational?
  • Is funding in place? (We have several funding options.)
  • Do you own the land, and what is its zoning?

Step 2: Design and Engineering

In order to fully determine the cost of your dome package, we need to design and engineer the dome, HVAC system, photo-metric lighting design to achieve desired foot-candle coverage, and foundation design. After we do this, we will be able to provide a full proposal for the dome package and its full installation. We will be able to take the foundation design to our partnering General Contractors to estimate the installation of the foundation, along with any other site work. Our team of 50+ designers, architects and engineers are licensed in all 50 United States and in 42 countries.

Step 3: Dome Production and Site Work

After you sign off on the final dome design, the production of the dome and its components will begin. While the dome and its components are being produced, installation of the dome foundation and other site work will commence.

Step 4: Completed Production and Transportation

When the dome is completed, the entire dome package will be transported to the final installation site.

Step 5: Dome is Installed

Your dome is installed by our expert installers! Installation can take as few as 2 days for small domes, and up to several weeks for larger domes and complex installations.