. The Street railway journal . ent to such an extent that it was necessaryto shut the plant down for a few hours. To prevent arecurrence of the same trouble about $17,000 is being spentin building a concrete crib wall between the river and thepower station containing intake wells and gates. At itssouth end the wall protects a railway embankment. It thencurves around at right angles and becomes a crib it are four outside sump chambers and behind theseare four inside chambers. Each chamber measures 30 ft. x16 ft. and all walls are of reinforced concrete. The out-side wall will contai
. The Street railway journal . ent to such an extent that it was necessaryto shut the plant down for a few hours. To prevent arecurrence of the same trouble about $17,000 is being spentin building a concrete crib wall between the river and thepower station containing intake wells and gates. At itssouth end the wall protects a railway embankment. It thencurves around at right angles and becomes a crib it are four outside sump chambers and behind theseare four inside chambers. Each chamber measures 30 ft. x16 ft. and all walls are of reinforced concrete. The out-side wall will contain 22 screens and gates arrangedat three heights so that by opening and closing thegates protecting the individual screens water can betaken from the surface of the stream at dififerent is very desirable because of the ashes carried in theundertow. The screens are of cast-iron with bars parallel to thecurrent of the river and measure 6 ft. x 4 ft. and are setflush with the outside surface of the wall. Behind each is. clock spring type. The shunts are screwed in ordinarytelegraph binding posts secured in the holders. All screwsfor adjusting the brushes are where they can easily be IStrett Railivay Journal VACUUM PUMP DISCHARGE VALVE a 2 ft. X 4 ft. gate which sets in the wall and is controlledby a hand wheel mounted on a cast-iron stand screens are placed in the dividing walls between the April 4, 1908.] STREET RAILWAY JOURNAL. 527 inside and outside sump chambers. The openings leadingfrom the inside chambers to the intake pipes and the inter-mediate screens are all provided with gates so that it ispossible to close any one of the sump chambers for cleaning•and bypass the water. FLUSHING THE CONDENSER INTAKE In some recent installations where silt and solid matter
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
