The valves in connection with the forward bilge and ballast suctions were placed in the firemen's passage, the water-tight pipe tunnel extending from No. 6 boiler room to the after end of No. 1 hold. In this tunnel, in addition to two 3-inch bilge suctions, one at each end, there was a special 3-1/2-inch suction with valve rod led up to the lower deck above the load line, so as always to have been accessible should the tunnel be flooded accidentally.
In No. 6 boiler room there were three 3-1/2-inch, one 4-1/2-inch, and two 3-inch suctions.
In No. 5 boiler room there were three 3-1/2-inch, one 5-inch, and two 3-inch suctions.
In No. 4 boiler room there were three 3-1/2-inch, one 4-1/2-inch, and two 3-inch suctions.
In No. 3 boiler room there were three 3-1/2-inch, one 5-inch, and two 3-inch suctions.
In No. 2 boiler room there were three 3-1/2-inch, one 5-inch, and two 3-inch suctions.
In No. 1 boiler room there were two 3-1/2-inch, one 5-inch, and two 3-inch suctions.
In the reciprocating engine room there were two 3-1/2-inch, six 3-inch, two 18-inch, and two 5-inch suctions.
In the turbine engine room there were two 3-1/2-inch, three 3-inch, two 18-inch, two 5-inch, and one 4-inch suctions.
In the electric engine room there were four 3-1/2-inch suctions.