Experiences of Integrated Modelling on the Birmingham SWMPAndrew Cox and Emma Richardson

Innovyze European User Conference 2012Birmingham September 19-20th

Contents

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● Who is involved

● How it all started

● Development of the tools

● Birmingham Surface Water Management Plan

● Useful Tips and Tricks

● Lessons Learnt

● Questions

Who is involved

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● Birmingham City Council

● Environment Agency

● Severn Trent Water

● Defra

● Sandwell MBC

● Solihull MBC

How it all started

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Wood Brook

Flood Alleviation Scheme: Feasibility Study

River Cole

● Flood Alleviation Scheme: Feasibility Study

● Also looking for environmental benefits (wetland)

● Local Flood Risk Management Plan

Birmingham Surface Water Management Plan

Development of the tools

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● HEC-RAS

● ISIS

● InfoWorks CS (2D)

● InfoWorks ICM

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Birmingham Surface Water Management Plan

Birmingham SWMP

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● Aims

● Key Features

● Stages

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Strategic Stage● High level, strategic

approach

● Existing data and records

● Scoring and weighting methodology

● Focus analysis for subsequent stages

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Intermediate Stage

● Priority catchments

● Grid approach

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Intermediate Stage

● Identified key local

flood risk areas for

detailed assessment

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Detailed Stage

● Built three

additional models

● Produced Flood

and Hazard Maps

Results

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Results

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Plants Brook

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Plants Brook Results.avi

Options

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POTENTIAL OPTIONS:●SHLAA sites to Greenfield●Property Level Protection●Storage●Surveys and model refinement●Maintenance of existing defences●Local Capacity increases (additional gullies, upsizing outfalls, brook widening etc.)●Road Realignment (open areas, roads additional gullies, etc.)

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Experience with ICM

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Nought to Sixty

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● Undo Button

● ICM Help

● (ICM Help Tutorial)

● Videos on the Innovyze Website

Nought to Sixty

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● Scroll wheel

● CTRL Button when Opening Grids

● To open ICM with no windows open, hold SHIFT

● CTRL while drawing river reaches

● “Go to Another Element”

Problems/Solutions

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● To compare previous versions of the network,

-> select more than one version

Problems/Solutions

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● To compare previous versions of the network,

-> select more than one version

● Two sim results within one map window, drag

the second into the window holding SHIFT key.

Problems/Solutions

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● To compare previous versions of the network,

-> select more than one version

● Two sim results within one map window, drag

the second into the window holding SHIFT key.

● Simulation will continue in the background

Problems/Solutions

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Lessons Learnt

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Getting the Cole model right first time meant there was less need to go back and revisit

the model.

Be very careful when creating rivers and bridges.

Only do what you need to do.

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Questions?