. The Street railway journal . d in the areaway alongside the division wall on the firstfloor, where the branch loop connections may easily be madeto the boilers upon either floor. The branches to the turbineswill be carried from the header through the basement, so thatno piping will be visible in the turbine room, although thecontrol of valves will be readily accessible at the of the high-pressure piping will be of wrought steel, withVan Stone joints, using sheet steel gaskets, while the bodiesof all valves and all fittings will be of Baldt steel. The feed-water piping system emb
. The Street railway journal . d in the areaway alongside the division wall on the firstfloor, where the branch loop connections may easily be madeto the boilers upon either floor. The branches to the turbineswill be carried from the header through the basement, so thatno piping will be visible in the turbine room, although thecontrol of valves will be readily accessible at the of the high-pressure piping will be of wrought steel, withVan Stone joints, using sheet steel gaskets, while the bodiesof all valves and all fittings will be of Baldt steel. The feed-water piping system embodies an interesting ar-rangement of ring mains of 6-in. cast iron encircling- each pumps, etc., for the heating of the feed before entering theboilers. All connections from these to the two ring feed mainsare carefully duplicated, so that there will be little chance ofshut-down of the system. PUMPS AND HEATERSFor the initial installation there will be three boiler feedpumps, which will be vertical direct-acting cross-compound. LONGITUDINAL SECTION ABOVE BOILER ROOM, SHOWING ARRANGEMENT OF ROOF AND COAL BUNKERS group of twelve boilers just below the floor level. These mainsare connected to each boiler front by branches composed ofa 5-in. branch between each battery, joined through a tee to3-in. brass individual boiler connections. By virtue of thiscombination of a ring main, two independent feed connectionsthereto, and the sectionalizing valves, the system will be thor-oughly reliable, as each boiler will have two independentsources of feed supply, and any section of the main is capableof removal from duty without affecting the remainder. Thefeed water supply will be taken normally from the condenserhot well, and the make-up water from the city mains. Therewill be three feed pumps and two closed-tube and one openfeed-water heater utilizing the exhaust of auxiliary engines, Blake simplex pumps of the center outside-packed-plungerpattern, supplied by Henry R. Worthington. These p
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
