Past  Conferences

	A Conference on Architectural SuretyÒ
	Assuring the Performance of Buildings and Infrastructures

Los Angeles Decaying Infrastructure

Rodney K. Haraga

City of Los Angeles, Bureau of Engineering

ABSTRACT

The City of Los Angeles encompasses 480 square miles measuring 45 miles north to south. Its infrastructure includes municipal buildings, bridges, sewers, storm drains, streets and street lights which are all designed by the Bureau of Engineering, and maintained by the Department of Public Works and the Department of General Services. The City owns 7,000 parcels of land, 700 municipal buildings, over 1000 bridges and miles of storm drains, streets and sewers.

Many of the City's buildings were built prior to 1936 and therefore are required to be seismically rehabilitated. Its major bridges, which were built through the Works Progress Administration in the 1920's, are in need of major seismic and rehabilitation work. In the past 17 years the City has programmed over $2 billion to up-grade its sewer treatment facilities and collector system. The major sewer trunk lines were built in the early 1900's and are in need of repair. The City's streets and alleys are deteriorating at a rate that makes resurfacing the only alternative.

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