Hydro-Brake Optimum Design Tool. Step by Step Guide

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Antony Patrick
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1 Hydro-Brake Optimum Design Tool Step by Step Guide

2 Flow Control Design in Just 3 Simple Steps Step 1: Enter Design Inputs Step 2: Review Design Onscreen Step 3: Download Detailed Design Outputs Direct to your Computer

3 Before Using the Tool View the Hydro-Brake Optimum Video at

4 Registration / Login On first use, you will be invited to Register and will be able to use the tool straight away On subsequent visits, log in using the User Name and Password supplied during Registration

5 Step 1) Enter Design Inputs

6 Hydraulic Response Characteristic Curve The Hydraulic Response Characteristic Curve can be defined using 3 points: 1. Flush-Flo The point at which a vortex begins to build within the unit. 2. Kick-Flo The point at which a stable vortex is formed and maintained 3. Primary Design Point A point along the curve where the flow is controlled to a specified value at a known head.

7 Primary Design Point: Design Head Design head is taken as the difference in elevation between the invert of the outlet pipe and the top water level (TWL) upstream. Maximum Design TWL Design Head Maximum Design TWL Design Head Hydro-Brake Optimum

8 Primary Design Point: Design Flow The Design Flow should be set at the maximum permissible discharge rate from the catchment or subcatchment. This will generally be specified by the authority responsible for the downstream receiving waterbody or sewer.

all achieve the same primary design point.

9 Customised Hydraulic Response As shown right, the primary design point alone is not sufficient to design the Hydro- Brake Optimum as a number of different flow controls can all achieve the same primary design point. However, each unit will follow a different path to reach the primary design point and so can fulfil a different primary hydraulic objective.

10 Customised Hydraulic Response: Objective 1. Minimise Storage Requirements (Default) Maximises the flow rate at the Flush-Flo point and the head at the Kick-Flo point to pass forward as much flow as possible at all heads up to and including the design head without exceeding the design flow.

11 Customised Hydraulic Response: Objective 2. Minimise Blockage Risk Maximises the throughlet passages to minimise the risk of any debris carried within the flow from becoming lodged in the unit.

12 Customised Hydraulic Response: Objective 3. Future Proof Adds an adjustable inlet to the unit and sets this at close to it s mid-point to allow the greatest possible flexibility for dealing with future changes in the system requirements. Typically, the Design Flow can be increased or decreased by 10% post installation. Note: Modelling of the adjustment range is not currently supported. Contact us to obtain full details.

13 Customised Hydraulic Response: Flush-Flo Flush-Flo Note: Alternatively to selecting a standard Objective, you can define the flow rate at which the vortex begins to form (Flush-Flo ). This can be set at less than, equal to or greater than the Design Flow. Leaving the Flush-Flo input box empty will automatically set the Flush-Flo equal to the Design Flow

14 Site Options: Water Type Surface water only Foul Water Combined Surface and Foul Water

Site Options: Sump Available Sump available No Sump available Design Head Sump required No sump required The Sump Available tick box is used to indicate whether the user would

15 Site Options: Sump Available Sump available No Sump available Design Head Sump required No sump required The Sump Available tick box is used to indicate whether the user would allow standing water upstream of the flow control. This selection also tailors the design of the Hydro-Brake Optimum to be the most suitable configuration for the application.

Mechanical Build Options: Mounting Style Select your desired standard mounting style: Mounting Plate (Flat or Curved) Push-Fit Spigot Mounting Lugs

16 Mechanical Build Options: Mounting Style Select your desired standard mounting style: Mounting Plate (Flat or Curved) Push-Fit Spigot Mounting Lugs (Default) Note: Some mounting styles may not be available for particular design inputs. Contact us for bespoke mounting solutions or off-site solutions.

17 Mechanical Build Options: Adjustable Inlet Units can be supplied with or without an adjustable inlet. Flow rates can typically be adjusted by 20% post installation. Note: Future Proof Objective requires an adjustable inlet

18 Step 2) Review Design Outputs: Hydraulic Characteristics

19 Review Design Outputs: Key Dimensions

20 Step 3) Obtain Design Files Your selected design files can be downloaded to your computer once you are happy with the design. Hydraulic Characteristic Curve Dimensioned Drawing Hydraulic Modelling Data To suit commercial hydraulic modelling software package selected, see table below for currently supported packages.

Hydraulic Modelling Data Micro Drainage Compatible

2013 WinDes w12 WinDes w11 and earlier 110 lines

21 Hydraulic Modelling Data Micro Drainage Compatible (.csv) Data in 0.1m or 0.2m Head Increments (.csv) Generic Data (.csv) MircoDrainage 2016 MicroDrainage 2014 WinDes 2013 WinDes w12 WinDes w11 and earlier 110 lines of head / flow data in.csv format, suitable for viewing in Microsoft Excel (or similar).

22 Hydro-Brake Optimum Design Tool Download the User Guide for further information. Try the tool for yourself at

23 Thank you

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