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.
By the turn of the twentieth century, the White House had become too small and crowded for its dual roles of housing the business of government and the residence of the First Family. Congress appropriated $500,000 for a large scale renovation of the building and the addition of the West Wing.