WATER SUPPLY IN A COSTLY RESIDENCE.

The Metal Worker, Plumber and Steam Fitter contains an article on plumbing and water supply of a modern Ffth avenue residence, in New York city. As to the water supply, it says that the question of how it should be managed "brought up problems not ordinarily encountered in strictly residential work. In the "first place, the building was so high that the street-pressure would not raise the water to the top of the building, consequently, a tank of 8,000-gallon capacity was provided on the roof. This tank is made of one-quarterinch iron, double riveted and painted both inside and outside. Underneath there is an iron drip pan, with an overflow-pipe extending to the sewer in the cellar. This tank also has a telltale pipe dropping to a sink in the basement. A further precaution against overflowing has been applied' through the installation of an automatic electric switch controling the motor which runs the pump. This switch is so arranged that, when the water reaches a predetermined level in the tank, the power supplying the pump is automatically cut off, and it ceases working. The water supply is arranged with a full system of gatevalves, in order that cold water may be supplied to any floor to" which the street-pressure will raise it, and the floors above will be supplied by the tank pressure. A twoinch galvanised iron pipe leads from the street main to the pump; from the pump a twoinch pipe is taken to the rooftank. Nearly all the water supply piping is of galvanised iron, with brass fittings. From the bottom of the tank two lines are led, one directly to the rangeboiler in the basement and the other to the range-boiler on the first floor. 1 he line feeding the boilers supplies no other fixtures, and has valves only at the boiler connection. Anothesupply is also provided to the boiler from the ordinary coal supply to the house. This double supply is to secure extra safety. The cold water supply to the other fixtures in the house, except the laundry, is furnished from an overhead main near the ceiling of the fifth floor, and dropping mains are connected with this main and the cellar-main.” All the pipes are protected by six-pound sheet-lead safe, with a six-inch flange turned up at the back of the tile, with a grade adapted, so that any water collecting in it finds its way to open fixtures in the basement, and, wherever water pipes are run from the chases in the side walls to a bathroom, a lead-lined box is provided, which likewise drains into an open fixture in the basement. All pipes in these boxes are made of brass and lined with tin. If any should burst, the box holds the water, and at once drains it to the sewer.

The Metal Worker, Plumber and Steam Fitter contains an article on plumbing and water supply of a modern Ffth avenue residence, in New York city. As to the water supply, it says that the question of how it should be managed "brought up problems not ordinarily encountered in strictly residential work. In the "first place, the building was so high that the street-pressure would not raise the water to the top of the building, consequently, a tank of 8,000-gallon capacity was provided on the roof. This tank is made of one-quarterinch iron, double riveted and painted both inside and outside. Underneath there is an iron drip pan, with an overflow-pipe extending to the sewer in the cellar. This tank also has a telltale pipe dropping to a sink in the basement. A further precaution against overflowing has been applied' through the installation of an automatic electric switch controling the motor which runs the pump. This switch is so arranged that, when the water reaches a predetermined level in the tank, the power supplying the pump is automatically cut off, and it ceases working. The water supply is arranged with a full system of gatevalves, in order that cold water may be supplied to any floor to" which the street-pressure will raise it, and the floors above will be supplied by the tank pressure. A twoinch galvanised iron pipe leads from the street main to the pump; from the pump a twoinch pipe is taken to the rooftank. Nearly all the water supply piping is of galvanised iron, with brass fittings. From the bottom of the tank two lines are led, one directly to the rangeboiler in the basement and the other to the range-boiler on the first floor. 1 he line feeding the boilers supplies no other fixtures, and has valves only at the boiler connection. Anothesupply is also provided to the boiler from the ordinary coal supply to the house. This double supply is to secure extra safety. The cold water supply to the other fixtures in the house, except the laundry, is furnished from an overhead main near the ceiling of the fifth floor, and dropping mains are connected with this main and the cellar-main.” All the pipes are protected by six-pound sheet-lead safe, with a six-inch flange turned up at the back of the tile, with a grade adapted, so that any water collecting in it finds its way to open fixtures in the basement, and, wherever water pipes are run from the chases in the side walls to a bathroom, a lead-lined box is provided, which likewise drains into an open fixture in the basement. All pipes in these boxes are made of brass and lined with tin. If any should burst, the box holds the water, and at once drains it to the sewer.

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