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Hall - A hall is a building consisting largely of a principal room, that is used for meetings and social affairs.
Hangar - A hangar is a closed structure designed to hold aircraft or spacecraft in protective storage.
Hardstand - A hardstand (hardstand area) is a paved or stabilized area where aircraft, ground vehicles or materials are parked or stored.
Hatchet Lot - A Hatchet Lot, also called a battle axe lot , is a lot that has been created behind a full-frontage lot and is accessable via an access easement or access strip. If there are multiple properties accessed via the easement then this access easement usually registered under the community title scheme.
Hazard - A hazard is an event, condition, substance, process or practice which has the potential to cause harm to the health and safety of any person.
Hazard Inspection - A hazard inspection is an inspection carried out in response to the notification of a hazard.
Headwall - A Headwall (also Endwall) is a small retaining wall placed at the inlet or outlet of a stormwater pipe or culvert. It serves to minimise vegetation growth and reduce erosion around the culvert inlet and outlet. Although the terms headwall and endwall tend to get used interchangeably it may be more correct to call a retaining wall at a pipe inlet a headwall and a retaining wall at a pipe outlet an endwall.7
Headworks - The term headworks can mean either:
a) a structure at the head of a waterway diversion.
b) upgrade works that have to be carried out to cater for the additional demands placed on existing or proposed infrastructure as a result of new developments within an area or catchment.
Herbicide Spraying - Herbicide Spraying is a maintenance activity carried out by many Councils to remove grass and weeds from around obstacles, such as guide posts, road signs & guard rail that make roadside slashing impractical.
Heritage Asset - A Heritage Asset is an asset with historic, artistic, scientific, technological, geographical or environmental qualities that is held and maintained principally for its contribution to knowledge and culture and this purpose is central to the objectives of the entity holding it.
Highlift Pump Station - A Highlift Pump Station is a pump station designed to pump treated water into the water reticulation system at pressure either directly or via a Water Tower.
Highway - A highway is a main road declared a highway by the State or Federal Government and typically used for travel by the public between important destinations, such as cities, large towns, and states.
Home Care - Home Care is the provision of assistance to people with domestic tasks such as cleaning, washing and ironing.
Hotmix - Hotmix is a particular type of asphalt produced by heating the asphalt binder to decrease its viscosity, and drying the aggregate to remove moisture from it prior to mixing. Mixing is generally performed with the aggregate at about 150 °C. Paving and compaction must be performed while the asphalt is sufficiently hot.
House - A house is a building or structure that is a dwelling or place for habitation by human beings.
Human Resources - Human Resources (HR) is a term used to describe the individuals who make up the workforce of an organization. In local government the term is more commonly used to the section within a Council charged with the overall responsibility for implementing strategies and policies relating to the management of individuals.
Hydraulic Grade Line - A hydraulic grade line (HGL) is a plot of the pressure along a fluid path. The pressure is the sum of pressure head and elevation head at any point along a fluid path.
Hydraulic Modelling - Hydraulic Modelling is the study of free surface flow such as in creeks, rivers, estuaries and overland. It is conducted using either numerical or physical modelling techniques.
Hydrogen Sulfide - Hydrogen sulfide gas, (H2S), is a major source of odour in wastewater systems. H2S gas has a characteristic 'rotten egg' smell. This gas results from the reduction of sulfate (SO4-2) to hydrogen sulfide (H2S), by anaerobic bacteria:
SO4-2 + 2C + 2H2O → 2HCO3- H2S
Hydrograph - A hydrograph is a graph that shows the flow of a stream over time. The stream can be creek or river flows, as well as sewage flow.
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