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Drainage Manholes
Ground surface access hatch to inspect and maintain storm sewer pipes. View in COSMOS -
Drainage Dyke Infrastructure
This layer displays dyke assets along major watercourses within the city. -
Drainage Detention Ponds
A man-made pond providing storage of stormwater drainage in order to control the rate of outflow or discharge. The pond can be "wet" where a minimum depth of water is maintained... -
Drainage Catch Basins
Catch Basins are complex objects that do not fall under Manholes. View in COSMOS -
Drainage Service Connections
Service pipes connecting the City storm sewer main to a private property. View in COSMOS -
Drainage Sub Catchments
Sub Catchments are defined geographic limits of the sub-drainage areas which form the Major Drainage Catchments. View in COSMOS -
Drainage Mains
Underground storm sewer pipes including roadway culvert crossings. (Offset markings are in metres). View in COSMOS -
Drainage Laterals
Service pipes connecting the City storm sewer main to an inlet device. View in COSMOS -
Drainage Package
Drainage text annotation, catchments, detention ponds, devices, laterals/connections, mains and culverts, manholes, nodes, offset lines, open channels (ditches, creeks, rivers). -
Drainage Major Catchments
Major Catchments are tributary drainage boundaries for major creeks and watersheds. These boundaries are based on ground topography and the service areas of the storm sewer pipe...
