Human Factors

The scientific discipline concerned with understanding interactions among humans and other elements of a system to optimize human well-being and overall system performance.

HVAC

Heating, Ventilation, and Air Conditioning systems that control the temperature and air quality in buildings.

HVAC Commissioning

Verifying heating, ventilation, and air conditioning systems function properly.

HVAC Load Calculation

The process of determining the heating, ventilation, and air conditioning (HVAC) system capacity required for a building’s efficient operation.

Hybrid Structural System

A construction method combining multiple structural materials, such as steel and concrete, to optimize strength, durability, and cost.

Hydraulic Jacking

A construction technique that uses hydraulic pressure to lift or move heavy structures, such as bridges or prefabricated components.

IAQ

Indoor Air Quality

IEQ

Indoor Environmental Quality

Impact Assessment

The process of evaluating the potential effects of a construction project on the environment, economy, and community.

Inclement Weather Delay

A schedule disruption caused by extreme weather conditions, such as heavy rain, snow, or strong winds, that prevent safe construction activities.