This article will help you understand the meaning of all the coloured lines that may appear on the map. These can include utilities, specific roads & contours
Utilities
The colored lines that appear on and around the property represent the primary utility lines, which include sewer, water, and electrical pipes and cables.
- Red / Pink - Sewer Lines
- Dark Blue - Storm Water
- Light Blue - Fresh Water
- Yellow / Green - Electrical
Contours
The Contours use colours to show the change on height across the property. These range from Red to Blue. They also have consistent increments unless the contours are proposed by the developer.
- Red is the Highest point on the property
- Blue is the Lowest point on the property
- Solid Lines (ANZ) are 1 metre change in elevations
- Dashed Lines (ANZ) are at change in elevations
- Solid Lines (US) are a 5 foot change in elevations
- Dashed Lines (US) a 1 foot change in elevations
If the contours are proposed by the developer, it is possible that they may not adhere to the standard increments. In such instances, the contours will be represented in a uniform color.
- These contours are Orange
The increments are usually one of the following: 200mm, 500mm or 1000mm. The best way to check is to place a design and look at the elevations
Roads
The satellite imagery and mapping shows the roads can also be highlighted in various colours to easily identify them.
- Orange roads - Highways.
- Yellow Road - Main Streets & Roads.
- Grey - Normal residential area