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National Transportation Safety Board Washington, D.C. 20594 Safety Recommendation Document Series

By Hall, Jim

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Book Id: WPLBN0000689525
Format Type: PDF eBook
File Size: 313,907 KB.
Reproduction Date: 2006

Title: National Transportation Safety Board Washington, D.C. 20594 Safety Recommendation Document Series  
Author: Hall, Jim
Volume:
Language: English
Subject: Government publications, Transportation and society, National Transportation Safety Board (U.S.)
Collections: National Transportation Safety Board Collection
Historic
Publication Date:
Publisher: National Transportation Safety Board

Citation

APA MLA Chicago

Hall, J. (n.d.). National Transportation Safety Board Washington, D.C. 20594 Safety Recommendation Document Series. Retrieved from http://community.worldlibrary.net/


Description
Government Reference Publication

Excerpt
Excerpt: About 6:45 pm. on June 9, 1994, a 2-inch-diameter steel gas service fine that had been exposed during excavation separated at a compression coupling about 5 feet north of the north wall of the John T. Gross Towers (Gross Towers), an eight-story retirement home. Gross Towers, located at 14th and Allen Streets (1339 Allen Street), is one of several subsidized-rent residence buildings operated by the Allentown Housing Authority (housing authority) in Allentown, Pennsylvania. Towers East, a 13-story building that is connected to Gross Towers, is also a rent subsidy building for senior citizens that is operated by the housing authority. The separated service line, which was owned by UGI Utilities, Inc., (UGI), released natural gas at 55 psig pressure. The escaping gas flowed underground to Gross Towers, where it passed through openings in the building's foundation and filled the space beneath the mechanical room, which served as a combustion air intake reservoir for boilers. Gas then entered the mechanical room through openings in the floor. The gas then migrated to the building's other floors through an adjacent tower that housed the bailer exhaust stacks, through a trash chute, and through floor openings for electrical and other building services.

 

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