This section is from the book "American Plumbing Practice", by The Engineering Record. Also available from Amazon: Plumbing: A working manual of American plumbing practice.
The fixtures in the house are in sets in approximately vertical lines in the different stories, each group being served by a line of vertical risers from the main horizontal distribution pipes in the cellar, from which branches are taken as required at the different floors. In general each stack of risers consists of six water pipes, besides which the soil, vent, and safe waste pipes may be carried alongside or in a separate place. Figure 5 is a sketch of the foot of one of the typical groups of water pipes at M, Fig. 1, and shows the arrangement of valves for controlling and emptying them.
The kitchen work, cooking, laundry work, etc., are done on the upper floors, and tubs, ranges, refrigerators, etc., are accordingly set there. In the steward's room are two refrigerators, and for these and the tiled floor special trapped floor strainers are provided. They are set on waste pipes which have a combined length of nearly 100 feet from their junction with the soil pipe, and although every angle is commanded by a handhole through the floor and a cleaning-out screw, a special arrangement was provided for flushing them under pressure and forcing out any obstructions that may find lodgment there. This is accomplished as shown in Fig. 6. The flow water, etc. is received in an 8-inch brass bowl B and flows through perforations in a hollow plug P into the elbow A, which is screw-connected to the waste pipe. If it is desired to flush out the waste pipes, the plug P is removed, and in its place a hose nozzle is screwed into the nipple N of one of the floor bowls B. Then at each of the other bowls B the plug P is screwed down till the shoulder S seats tightly and seals the nipple N so that no water can back up through it, and the required pressure may be safely applied through the hose connection.
Figure 7 shows the connection of laundry tubs to the laundry and kitchen boilers, which, though really remotely separated in different rooms, are here indicated close together for convenience. C is the cold-water supply from tank main, K is an 80-gallon boiler connected to the kitchen range water-back and supplying hot water for the kitchen and scullery sinks, etc., and L is the 80-gallon laundry boiler set about 40 feet from the laundry range and intended to supply the laundry tubs only on ordinary occasions. To avoid unnecessary radiation it is located inside the laundry drying-room (not shown here), the temperature of which is raised by a steam radiator considerably above that of the laundry room. Ordinarily valve D is closed and valve E is open, and the two boilers K and L operate entirely independently, but if it is desired to re-enforce boiler K, valves D and E are reversed and boiler K must be fed by water that has passed through boiler L and been ' warmed there. The washtrays are served by combination double supply cocks. The supply pipes are run on the opposite side of the partition so that they are accessible, and, as the tubs stand open in front of the tiled wainscoting, these cocks were made specially long in order to reach over the tub. The tail pieces were also made specially long in order to reach through the partition and connect with the supply pipes behind.
After the plumbing had been designed throughout the house it was thought desirable to provide a special convenient toilet-room for the engineman and fireman, and as no room was available, and as the soil and waste pipes could not be depressed below the floor level, a special platform was built 2 or 3 feet above the cellar floor, a bathtub, washbasin, and water-closet set upon it and side walls of light matched boards built inclosing it and reaching to the ceiling. Windows and doors were provided and the cabinet-work was nicely finished to present a neat and attractive appearance. All work was completely accessible and exposed and the appearance was clean and attractive. Figure 8 is an outside view showing the pipes, all carried outside, and Fig. 9 is a sketch of the interior.
In the basement, slightly below the ground level, there is a large suite of rooms essentially comprising a complete Turkish bath establishment equipped with all the steam, bath, and attendant's appurtenances, and elaborately appointed in every detail. Figure 10 shows the plan and principal sections of these apartments, which are mainly finished in white marble and nickel-plated metal-work. The plunge bath or swimming bath is nearly 10x34 feet in size, and consists of an iron tank lined with marble and set in a cement mortar bed on a brick and iron floor and surrounded by buttressed brick walls. Figure 11 shows the masonry setting. The whole weight is carried by the foundation walls W W, and the lateral pressure, transmitted from the tank through occasional bearing bricks to the side walls, is received by the buttresses and arches A A, etc.





Figure 12 is a partial section through the wall showing the construction and water-proofing of the sides and the attachment of the plated brass stairs and railing. The horizontal bed having been prepared for it, the iron tank was set in cement mortar upon it, and the outer walls, 12 inches thick, were built around it, leaving a 1-inch air space everywhere except where contact bricks projected to touch the iron plates. The tank was painted with asphalt and then five layers of asphalt paper were successively applied over its entire inner surface and each well drenched with hot asphalt. Then a lead lining was secured to the sides and bottom and turned over the upper edges, and the marble lining was set inside this The bottom slabs were laid in a 1-inch bed of cement mortar. The vertical side slabs were then placed, and the 1-inch space between them and the sides of the tank were filled with thin liquid cement mortar which was poured in, in about three or four courses, each being allowed to set before the next one was made, thus avoiding excessive hydraulic head, which was further provided for by abundant temporary crossbraces.
 
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