1. TILDE DST & DMS Software Decision Support Tool & Data Management System for Leakage and Water Loss Management

2. TILDE DST & DMS Overview TILDE DST TILDE Technology Database TILDE Best Practice Database TILDE DMS TILDE DST Project Database

3. TILDE DST & DMS Overview TILDE DST Tilde DST or Decision Support Tool Guides the user through the leakage management process Provides an integrated set of process maps for leakage management Contains Best Practice guidance on how to manage and reduce leakage in the water network Is suitable for a range of network configurations Provides a record of decisions made for each leakage project Provides links to a technology database and the TILDE DMS Tilde DST or Decision Support Tool Guides the user through the leakage management process Provides an integrated set of process maps for leakage management Contains Best Practice guidance on how to manage and reduce leakage in the water network Is suitable for a range of network configurations Provides a record of decisions made for each leakage project Provides links to a technology database and the TILDE DMS

4. TILDE DST & DMS Overview TILDE Technology Database TILDE Best Practice Database Tilde Best Practice & Technology Databases These provide additional information for the user on latest best practice and technology information. The databases are held within the TILDE web portal (www.webportal.com) and can be accessed via the DST.www.webportal.com Technologies included are: Acoustic location, Gas tracer systems, Ground probing radar, In-pipe methods, Pressure and flow monitoring, Water quality monitoring, Geographic mapping and Network modelling. Tilde Best Practice & Technology Databases These provide additional information for the user on latest best practice and technology information. The databases are held within the TILDE web portal (www.webportal.com) and can be accessed via the DST.www.webportal.com Technologies included are: Acoustic location, Gas tracer systems, Ground probing radar, In-pipe methods, Pressure and flow monitoring, Water quality monitoring, Geographic mapping and Network modelling.

5. TILDE DST & DMS Overview TILDE DMS Tilde DMS or Data Management System Manages water network data from: flow meters pressure meters acoustic devices Records and reports information on: leaks leakage detection activities repairs Analyses: flow data for prioritizing zones Tilde DMS or Data Management System Manages water network data from: flow meters pressure meters acoustic devices Records and reports information on: leaks leakage detection activities repairs Analyses: flow data for prioritizing zones

6. TILDE TILDE DST Tilde DST or Decision Support Tool Access different areas of best practice Store project information Recall saved project information Tilde DST or Decision Support Tool Access different areas of best practice Store project information Recall saved project information

7. TILDE TILDE DST Process Maps Tilde DST or Decision Support Tool Navigate via the process maps or drop down menus to areas of interest Select direct access to Best Practice, or Follow the decision support system Tilde DST or Decision Support Tool Navigate via the process maps or drop down menus to areas of interest Select direct access to Best Practice, or Follow the decision support system

8. TILDE Access the TILDE Check-up tool Lack of resource Low leakage Continue to monitor Implement best practice, e.g. Active leakage control Pressure management Determine Economic Level of Leakage Take Immediate Action Plenty of resource Low leakage Wasteful TILDE Leakage Check-up Tool The DST can be used to access the TILDE Check-up Tool to: Carry out a water balance Determine the Infrastructure Leakage Index Consider what actions to take in the context of the water supply / balance TILDE Leakage Check-up Tool The DST can be used to access the TILDE Check-up Tool to: Carry out a water balance Determine the Infrastructure Leakage Index Consider what actions to take in the context of the water supply / balance

9. TILDE TILDE Data Management System (DMS) Main menu of TILDE DMS v1.15 Tilde DMS or Data Management Tool Stand alone product, or access via DST Allows the user to input flow, pressure and acoustic data Produce leak detection, location and repair reports Rank zones in order of priority for leakage activity targeting Tilde DMS or Data Management Tool Stand alone product, or access via DST Allows the user to input flow, pressure and acoustic data Produce leak detection, location and repair reports Rank zones in order of priority for leakage activity targeting

10. TILDE DMS Flow / pressure meter database Import your flow/pressure data from your various data sources into a central management system Use further information to specify the location of your meters Visualize the recorded flow/pressure data Import your flow/pressure data from your various data sources into a central management system Use further information to specify the location of your meters Visualize the recorded flow/pressure data

11. TILDE DMS Customer leak report Record customers complaints and observations Manage customer leak reports in conjunction with your leak location exercises Record customers complaints and observations Manage customer leak reports in conjunction with your leak location exercises

12. TILDE DMS Leak location report Follow up and record all leak location exercises Provide your staff with working forms to fill in Collect data related to your leaks useful for further analysis Create statistics of your leak location exercises Follow up and record all leak location exercises Provide your staff with working forms to fill in Collect data related to your leaks useful for further analysis Create statistics of your leak location exercises

13. TILDE DMS Leak repair report Make records of your leak repairs Provide your staff with site forms to record data Create statistics of your leak repairs Make records of your leak repairs Provide your staff with site forms to record data Create statistics of your leak repairs

14. TILDE DMS Prioritisation of zones Ranking of zones for further ALC measures Based on measured against estimated minimum night flow Ranking of zones for further ALC measures Based on measured against estimated minimum night flow Zone ranking dependent on actual leakage against background level, costs for water and leakage location exercises and time since last survey

15. TILDE Further info? Visit www.waterportal.comwww.waterportal.com