Public works . on could be completed it was neces-sar)- to raze or move about 60 public and privatebuildings some of them being shifted from one footto twenty-five feet. The most important of thesewas a 65 X 110-foot church weighing about 4,500tons, which was moved backward 20 feet on 1,000rollers after an excavation had been terraced in thehillside to receive it, as described in Public Works,November 19, 1921. The subcontractor, the JohnEichleay, Jr., Co., Pittsburgh, received about $60,000for this difficult and delicate work, which preservedintact the $90,000 church without interrupting itss
Public works . on could be completed it was neces-sar)- to raze or move about 60 public and privatebuildings some of them being shifted from one footto twenty-five feet. The most important of thesewas a 65 X 110-foot church weighing about 4,500tons, which was moved backward 20 feet on 1,000rollers after an excavation had been terraced in thehillside to receive it, as described in Public Works,November 19, 1921. The subcontractor, the JohnEichleay, Jr., Co., Pittsburgh, received about $60,000for this difficult and delicate work, which preservedintact the $90,000 church without interrupting itsservices or injuring the structure or its decorationsand contents. The street car tracks were adjusted to correspondwith the new grade and were placed on a concretefoundation with stone ballast, the work being exe-cuted by the Street Railway Company without inter-rupting the electric car trafific, although the vehicu-lar traffic was detoured for a period of about 90days during the progress of the It was also necessary to raise about 3,000 linearfeet of 20-inch and 42-inch water mains about 8 feetwhile in service under a pressure of 91 pounds persquare inch. This was accomplished in 90 days, by150 men, who handled the pipe in sections 240 feetlong which were successively raised about 3 to 4feet in the center for each operation by means of anequipment of 25 ten-ton jack-screws operating chainslings 12 feet apart in which the mains were sus-pended from overhead crossbeams on was taken to operate the jack-screws uni-formly and simultaneously by signal so that thoseat the extremities of the section should be turnedthrough definite vertical spaces increasing from one-quarter inch to secure a 3-inch hold at the middlewhen the jacks were reset, and avoid injuriousstrains to the pipe. RETAINING WALLS At the commencement of operations the southside of the road was protected by 2,800 feet of oldstone masonry retaining wall, which was not highenough for the in
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectmunicip, bookyear1896
