. The Street railway journal . riveted girders of the Warren type, having one in-clined top chord. The specifications for the frameworkcalled for open hearth steel having a tensile strength offrom 60,000 to 65,000 lbs. The roof is cinder concrete withiron stiffing bars, having felt and crushed slag imbedded inpitch on the upper surface. Large ventilating and light-ing areas with wire screen guards as a protection againstfalling glass, are also provided. In the design of the foundations, it was necessary toavoid the possibility of a flood stopping the plant, hencethe engine room floor level was
. The Street railway journal . riveted girders of the Warren type, having one in-clined top chord. The specifications for the frameworkcalled for open hearth steel having a tensile strength offrom 60,000 to 65,000 lbs. The roof is cinder concrete withiron stiffing bars, having felt and crushed slag imbedded inpitch on the upper surface. Large ventilating and light-ing areas with wire screen guards as a protection againstfalling glass, are also provided. In the design of the foundations, it was necessary toavoid the possibility of a flood stopping the plant, hencethe engine room floor level was fixed 1 ft. above the high-est recorded level of the river (a stage of 33 ft. 8 ins. in1884), normal pool level being stage of 6 ft. On the otherhand, the intake pipe must at all times be completely cov-ered with water, thus requiring the top of the pipe to bebelow stage minus 1; the pipe had to be kept below thislevel underneath the engines, to keep the vacuum from be-ing lost in times of low water, hence there was required. SIDE ELEVATION AND SECTION OF BOILERS
Size: 2080px × 1202px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
