Complex Culvert
Channel
A complex culvert is a covered channel to convey water below ground level, whose cross section is made of different materials (for example: masonry sides covered with a concrete soffit).
Culverts are distinguished from outfalls because they generally have a larger cross sectional area, and they form part of the main watercourse. Outfalls discharge surface water drainage or water from a smaller watercourse into the main watercourse.
Culverts may carry a water course under a road and there is sometimes confusion as to whether they should be considered to be a bridge. The key test is whether a culvert inspection is required; if not the bridge Subtype should be used. Note that some bridges are constructed from large rectangular concrete box sections, but these should not be considered to be a culvert if they can be visually inspected from the channel bank.
A complex culvert is displayed in AIMS as a polyline showing the centre of the culverted channel.
Element Notes: Where a screen or grid is associated with a headwall it is added a separate asset Screen.
Elements
An Element Type is a component part of an Asset Type. Each Asset Type (except Asset Complex assets) will comprise of a prescribed set of Element Types. Some Element Types are essential and must be present to define an asset of that Asset Type. Other Element Types are optional, to be included when needed to define a particular Asset Type instance. An individual asset may have more than one instance of each Element Type.
This table lists the Element Types applicable to this Asset Type.
| Element Type | Description | Element Code | Essential | Uniclass 2015 | Updates |
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Attributes
An attribute is a particular piece of data that describes a property of an object. Each Asset Type is described by a different set of attributes, although there are some attributes that are common to many Asset Types.
The table below lists the attributes that are applicable to this Asset Type, along with the data profile requirements for each attribute and details of when and how each should be used and delivered.
| Attribute | Format Details | Delivery | Purpose | Mandatory | geoCOBie Mapping | Updates |
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