Williams Transco Central Penn Line South. Williams Transco Central Penn Line South. Unlike liquid petroleum product pipelines, where the main risk is a leak leading to contamination of water and soil, the main risk with a high-pressure natural gas pipeline is a rupture and ensuing fire.
The White House today holds 142 rooms on six floors, the floor space totaling approximately 55,000 square feet. It has hosted longstanding traditions such as the annual Easter Egg Roll, as well as historic events like the 1987 nuclear arms treaty with Russia.
(featuring the Biggest Houses in the World) The biggest house in the world is the topic of open debate. Part of the issue is in defining what the biggest house actually is. For instance, the biggest house on Earth according to the English-speaking majority is the Windsor Castle, in Berkshire, England which is around 484,000 square feet in size.