Wednesday, March 28, 2012

History of NYC Construction Codes


The first known building code was established in 1625 by the Dutch West India Company.  Their focus was on meeting public safety and sanitation needs.  The colony was known as New Amsterdam and it had a population of 200.  It was conquered by England in 1664 and was renamed New York.  Building codes governing construction, fire prevention and sanitation were in place by 1676.  

By 1749 there were 1,834 structures in the city and more than 1700 were situated below Duane Street.  In 1766, all buildings were required to be constructed of brick or stone with roofs made of tiles or slate.  Fire limits were established in 1775 within which only brick or stone buildings or frame buildings of no more than 14 feet in height could be built.  Party or fire walls between adjoining buildings became mandatory in 1791.  

A number of yellow fever epidemics beginning in 1795 caused terrible destruction and loss of lives resulting in a need for greater focus on light, air and sanitation.  The codes were substantially revised in 1860, after a major tenement fire which killed 20 people.  A new act was passed in 1866 to require fire escapes for buildings with six or more families.  The first Tenement House Law was enacted in 1867.  

Emphasis shifted to building materials and structural safety with the rise of skyscrapers towards the close of the century.  By 1900 there were 82,652 tenements, housing 2.4 million of the 3.4 million population of the City of New York.  Multiple Dwelling Law was enacted in 1929, which superseded the Tenement House Law.  

The construction code was further revised in 1938, which is known today as the Old Code.  The next revision was in 1968, followed by a more recent revision in 2008.

Illustration credit:  Jacob C du Trieux 
 
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