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Drainage Manholes
Ground surface access hatch to inspect and maintain storm sewer pipes. View in COSMOS -
Drainage Devices
Devices are complex objects that do not fall under Manholes. These can be grated openings to collect surface runoff, including roadside catch basins and lawn drains. This layer... -
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 Flood Control
Linear features that control the flow of stormwater during peak rain periods. These features include Dykes, Spillways and Stoplogs. -
Drainage Open Channels
Open drainage channels including drainage ditches, creeks, and rivers. 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 Laterals
Service pipes connecting the City storm sewer main to an inlet device. View in COSMOS -
Drainage Mains
Underground storm sewer pipes including roadway culvert crossings. (Offset markings are in metres). View in COSMOS -
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... -
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 -
Ten Year Plan
The Ten Year Plan identifies all of the Municipal Engineering works (Road, Drainage, Water and Sewer) required to service the current population and the projected growth in...
