East Coast: Washington Suburban Sanitary Commission's Earthoid

East Coast: Washington Suburban Sanitary Commission's Earthoid

In 1980, noted muralist Mr. Peter Freudenberg put the finishing touches on one of the most unique water storage structures in the United States, the Washington Suburban Sanitary Commission's Earthoid on the campus of Montgomery College in Germantown, Maryland. Tank Industry Consultants' involvement with the Earthoid began in 1991 with a coating inspection, but the involvement of our staff goes back even further to the design and construction of this unique watersphere. Stephen W. Meier, P.E., S.E., now Managing Principal at TIC, was the design engineer for the tank when it was built by Chicago Bridge and Iron. The structure painted to resemble an astronauts bird's eye view of the earth is not only a functional 2,000,000 gallon water storage tank, but also a civic landmark for area residents. The structure was heralded as a ground-breaking project in the water storage, protective coatings, and steel plate structures industries. After years of excellent service life, the coating on the tank exterior was in need of rehabilitation. The Washington Suburban Sanitary Commission once again contracted Tank Industry Consultants to assist with the refurbishment of the tank. The original muralist had retired; however, Eric Henn was commissioned to recreate the landmark.

TIC provided engineering and inspection services for this award-winning project. Our services included:

- Tank evaluations at various times since tank construction, including a pre-maintenance evaluation.
- Cost analysis for various repainting options
- Preparation of detailed technical specifications
- Bid assistance
- Contract administration
- Resident project representation during the cleaning and painting of the tank, including the painting performed by the muralist

The Earthoid was recognized by the Steel Structures Painting Council (SSPC) William Johnson Award for 2013.

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