


Gabion - A gabion is a cage, cylinder, or box filled with soil, sand or rocks that can be used in drainage channel construction, road building, shore protection works or other civil engineering works, undertaken by councils.

Garbage Collection - Garbage Collection is the collection rubbish from residences and other properties.

Garden - A garden is a planned space, usually outdoors, set aside for the display, cultivation, and enjoyment of plants and other forms of nature. Most Councils maintain gardens in parks and around other Council facilities.

Gate Valve - A Gate valve is a type of valve designed to stop or start flow. They are either set to be fully open or fully closed and are the most commonly used type of valve alongside ball valves.

Gazebo - A gazebo is a pavilion structure, sometimes octagonal, in parks, gardens, and spacious public areas.

Geocentric Datum of Australia - The Geocentric Datum of Australia (GDA) is the current Australian coordinate system. It replaced the Australian Geodetic Datum (AGD).


Geotextiles - Geotextiles are permeable fabrics used in drainage, paving, soil stabilisation, sedimentation and erosion control.

Glassphalt - Glassphalt is a type of asphalt in which recycled crushed glass is incorporated into the mix.


Government 2.0 - Government 2.0 is a term describing the policies and procedures required to make Government more "open". Government 2.0 (Gov 2.0) will require tools to assist in its application and currently there is a move afoot to apply the social networking and integration advantages of Web 2.0 tools (wikis, blogs, twitter, rss feeds, etc.) to the practice of government. The term (Gov 2.0) describes the efforts to make government more open, collaborative and cooperative and more supportive of open consultation, open data and knowledge sharing.


Grandstand - A grandstand is a large structure designed for seating spectators.

Grated Field Inlet Pit - A Grated Field Inlet Pit is a type of Stormwater Pit designed to receive stormwater through a grate in the top of the pit.

Grated Kerb Inlet Pit - A Grated Kerb Inlet Pit is a stormwater pit with a grated inlet located within the tray of the kerb & channel.

Grated Pit - A Grated Pit is a type of Stormwater Pit incorporating a metal grate to stop the ingress of rubbish into the pit.

Gravel Resheeting - Gravel Resheeting is the process of applying a layer of gravel (usually about 150mm) to a section of unsealed road.

Gravel Road - A gravel road is an unsealed road constructed with imported rock.

Green Asset - A Green Asset is an asset that has a positive environmental impact. Examples of green assets include; waterways, trees, waterbodies and stormwater treatment systems.

Greenfields Valuation - A Greenfields Valuation is a valuation that estimates the cost to replace an asset, assuming there are no existing underground services or adjacent buildings or other similar constraints that will adversely effect the cost of reconstructing or replacing the asset.

Grey Water - Grey water (greywater) is household wastewater which has not been contaminated by toilet discharge. Grey water includes wastewater from baths, showers, bathroom wash basins, clothes washing machines, sinks and laundry tubs.

Grit Chamber - A Grit Chamber is typically a long narrow tank designed to settle out solids such as sand, coffee grounds, and eggshells from wastewater passing through it.

Gross Pollutant - Gross Pollutant describes the garbage that is collected in stormwater or drainage systems. It can consist of

  • cans
  • cigarette butts
  • bottles ( glass and plastic)
  • plastic bags
  • paper
  • vegetation fragments ( branches, twigs, grass)
  • sediment ( sand, pebbles, rocks)

Gross Pollutant Trap - A Gross Pollutant Trap (GPT) is a device designed to trap coarse pollutants in stormwater. A GPT can be installed on drain entrances, outfalls, open channels or underground pipe systems.

Ground Lease - A Ground Lease is a long-term lease of land in which the tenant is allowed to occupy and develop the land during the lease period. After the lease expires, the land with all improvements, buildings and other structures will be restored to the owner. Ground leases are typically for ten years or more.


Growth Area - A growth area is a region which is experiencing rapid population growth, subdivisional activity and urbanisation.

Growths areas are typically located on the urban fringe.

Guardrail - A Guardrail is a fence or similar structure designed to prevent vehicles from veering off the roadway into oncoming traffic, crashing against solid objects or falling over an embankment. A secondary objective is keeping the vehicle upright while deflected along the guardrail.

Guide Sign - A guide sign is a traffic sign that tells drivers about where to go and what they will find there.


Gully Inlet - The Queensland Urban Drainage Manual uses the term "gulley inlet" in defining the term "Drainage System, but does not explicitly define it. It is presumably a type of kerb inlet.

Gully Pit - A gully pit is a type of grated stormwater pit.
