Stormwater Management Requirements for Land Development Proposals

Summary of Tasks

The process of completing a stormwater management report has been broken down in this document into six task groups. The task summary chart below, Figure 1, provides an illustration of the six MTO task groups and associated tasks within each group. These tasks identify MTO’s drainage requirements for a complete stormwater management report. Each task in the chart is hyperlinked to the section in the report that provides the detailed description. A general overview and navigation is also provided in the Quick Reference Guide.

Figure 1: Task Summary Chart

Diagram of Organization and Sequence of Tasks Determining if a SWM Report needs to be submitted to MTO Outlining the status of the Development Proposal Reviewing previous drainage studies Establishing the need for Water Quality Treatment Identifying components of the Receiving Drainage System MTO Approvals Indentifying Drainage Issues Obtaining an outlet to the Highway Drainage System Identifying criteria that regulate the Receiving Drainage System Identifying existing drainage problems Assessing impacts to the Receiving Drainage System Analyzing the Receiving Drainage System Checking the Design Capacity of the Highway Drainage System Checking the Design Capacity of the Highway Storm Sewer or Roadside Ditch Checking the Design Capacity of the Highway Drainage System Checking the Capacity of the Highway Drainage System Mitigating Impacts to the Receiving Drainage System Finalizing Construction and Operation Issues Applying MTO Drainage Policy Selecting Computational Methods Providing Stormwater Management Controls Modifying the Receiving Drainage System Providing Erosion and Sediment Controls during construction Clarifying Operation and Maintenance Responsibilities Diagram of Organization and Sequence of Tasks

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