Grand Staircase of the RMS Titanic the "Olympic", whose B-Deck aft foyer was much smaller because of additional cabins and storage rooms. There was no reception area on the "Olympic" until the 1913 refit, which expanded the restaurant and added a reception area in emulation of "Titanic". On "Titanic" two additional en-suite staterooms were installed off of the A-Deck aft staircase, decreasing the size of the surrounding foyer in comparison to "Olympic". When Robert Ballard discovered the wreck of the "Titanic" in 1985, he found only a gaping well in the place that the Staircase had once occupied. The deck house that once formed the Boat
Sinking of the RMS Titanic 6 boiler room, a total of five compartments. "Titanic" was only designed to float with any two compartments flooded, but it could remain afloat with certain combinations of three or even four compartments (the first four) open to the ocean. With five compartments, the tops of the bulkheads would be submerged and the ship would continue to flood. Captain Smith felt the collision in his cabin and immediately came to the bridge. Informed of the situation, he summoned Thomas Andrews, "Titanic"s builder, who was among a party of engineers from Harland and Wolff observing the ship's first passenger voyage. The