An index, calculated monthly by the Division of Research and Statistics, that measures the percentage change in construction costs statewide against a base year. The index weighs material costs (as measured by the monthly National Producer Price Index for construction materials at 55 percent of the total, and labor costs (as measured by the Research and Statistics Division's Current Employment Statistics Index for the Construction Industry) at 45 percent. Both the National Producer Price Index and the Current Employment Statistics Index are first adjusted by an appropriate factor in order that each index reflects changes from a common base year where each index is set equal to 100.

An average hourly rate of wage determined by averaging: the average rate of wage for “SIC 15” and “SIC 17”employees as determined by the “current employment statistics survey,” which is conducted by the Division of Research and Statistics.

The average “prevailing rate” of wages plus benefits due carpenters, electricians and plumbers in a given county/“multi-county”area.

An index which shows deviation of wages from a base year by industry, as determined by a monthly statewide survey of employers conducted by the Division of Research and Statistics.

An index, calculated by the Division of Research and Statistics which shows the percentage deviation of the “composite weighted average hourly wage for construction industry employees” from a base year.

A monthly statewide survey of wages broken down according to “standard industry classification” (SIC), which is conducted by the Division of Research and Statistics.

An index, calculated yearly by the Division of Research and Statistics, which compares the percentage deviation of the “composite wage rate” for a given county/“multi-county” unit against the median county's “composite wage rate“composite wage rate” which is set equal to 1.00.

The City of New York which contains the counties/boroughs of New York/Manhattan, Bronx, Kings/Brooklyn, Queens, and Richmond/Staten Island.

A statistic produced monthly by the U.S. Commerce Department that measures the percentage change in producer prices against a base year by industry.

The minimum wages and benefits that can be paid to construction workers on public work projects as defined in article 8 section 220 of the Labor Law.

Standard Industry Classification, as determined by the United States Office of Management and Budget (OMB).

General contractors and operative builders.

Special trade contractors (i.e. roofers, electricians. landscaping, HVAC, etc.).