Mingara Australasia Report
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SOUTH AUSTRALIAN GOVERNMENT RADIO NETWORK (SAGRN) PINERY FIRE REVIEW 27th June 2016 P-160005_04 SA Attorney-General’s Department (AGD) Mingara Australasia Pty Ltd Phone +61 3 8662 5800 Level 5 128 Exhibition St Fax +61 3 8662 5830 Melbourne, Victoria, 3000, Australia ABN 11 079 636 623 www.mingara.net.au ACN 079 636 623 SAGRN Pinery Fire Review P-160005_04 Document Information Criteria Details Document ID: P-160005_04 SAGRN Pinery Fire Review South Australian Government Radio Network (SAGRN) Pinery Fire Review Client Name SA Attorney-General’s Department (AGD) Document Owner Mingara Australasia Pty Ltd Document Status Commercial and Project in Confidence Issue Date 27th June 2016 Version Control Version Date Description a-g 15/04/2016 Internal Draft h 05/05/2015 Draft Issued to AGD for Review i-j 06/05/2015 Final Draft k 09/05/2015 Final Issued to AGD for Review l 24/06/2016 Final m 27/06/2016 Final – Updated Figure 30 Caption Document Approval This document required the following approval: Name Title Organisation Gerard Cusick Managing Director Mingara Australasia Pty Ltd Mark Hanson Director, Public Safety Attorney-General’s Department Solutions Mingara Australasia Pty Ltd Commercial and Project in Confidence ii SAGRN Pinery Fire Review P-160005_04 Disclaimer Mingara Australasia Pty Ltd has prepared this report in accordance with the terms of its engagement under Simple Services Agreement dated 18th day of March 2016. A third party receiving a copy of this report should not place any reliance upon it and we disclaim all responsibility and liability to such party. Statement of Independence Mingara Australasia Pty Ltd is a totally independent telecommunications and ICT consulting advisory company. Mingara does not sell ICT solutions, services, infrastructure and/or software. Mingara is privately owned, and is not part of any larger corporation, organisation or group whose activities may directly or indirectly compromise our independence. Copyright and Trademark Mingara Australasia Pty Ltd claims copyright and trademark ownership of styles, formats and related imagery contained in this document. No such information in this document may be used for commercial or other purposes unless Mingara Australasia Pty Ltd gives its prior written consent to the intended use. Mingara Australasia Pty Ltd Commercial and Project in Confidence iii SAGRN Pinery Fire Review P-160005_04 Table of Contents Executive Summary ................................................................................................ vii Scope ................................................................................................................. 10 Consultation ...................................................................................................... 11 Coverage ........................................................................................................... 12 3.1 Analysis ...................................................................................................... 12 3.1.1 SAGRN Coverage ............................................................................ 12 3.1.2 SAGRN AS-Built Predicted Coverage ............................................... 13 3.1.3 Call Processing ................................................................................. 14 3.1.4 Agency Consultation – Coverage Matters ......................................... 14 3.2 Findings - Coverage ................................................................................... 15 3.3 Recommendations – Coverage .................................................................. 15 Agency Network Activity and Performance Modelling ................................... 16 4.1 Analysis ...................................................................................................... 16 4.1.1 Agency Communications Activity – Call Volume ............................... 17 4.1.2 Agency Communications Activity – Call Duration .............................. 21 4.1.3 Agency Call Types ............................................................................ 27 4.1.4 Talkgroup Analysis ........................................................................... 31 4.1.5 Emergency (Duress) Calls ................................................................ 42 4.1.6 Radio Terminal Analysis ................................................................... 43 4.1.7 Communications between IMT and Fireground ................................. 47 4.1.8 Mitigation Strategy Effectiveness ...................................................... 48 4.1.9 Correlation between User Experience and Network Performance ..... 49 4.2 Findings – Agency Network Activity and Performance Modelling ................ 50 4.2.1 Agency Communications – Call Volume ........................................... 50 4.2.2 Agency Communications – Call Duration .......................................... 50 4.2.3 Agency Call Types ............................................................................ 51 4.2.4 Talkgroup Analysis ........................................................................... 52 Mingara Australasia Pty Ltd Commercial and Project in Confidence iv SAGRN Pinery Fire Review P-160005_04 4.2.5 Emergency (Duress) Calls ................................................................ 52 4.2.6 Radio Terminal Analysis ................................................................... 53 4.2.7 Communication between IMT and Fireground .................................. 53 4.2.8 Mitigation Strategy Effectiveness ...................................................... 53 4.2.9 Correlation between User Experience and Network Performance ..... 54 4.3 Recommendations – Agency Network Activity and Performance Modelling 55 4.3.1 Agency Communications – Call Volume ........................................... 55 4.3.2 Agency Communications – Call Duration .......................................... 55 4.3.3 Agency Call Types ............................................................................ 55 4.3.4 Talkgroup Analysis ........................................................................... 55 4.3.5 Emergency (Duress) Calls ................................................................ 56 4.3.6 Radio Terminal Analysis ................................................................... 56 4.3.7 Communication between IMT and Fireground .................................. 56 4.3.8 Mitigation Strategy Effectiveness ...................................................... 56 4.3.9 Correlation between User Experience and Network Performance ..... 56 Network Activity and Performance Modelling ................................................. 57 5.1 Analysis ...................................................................................................... 57 5.1.1 Site Capacity .................................................................................... 57 5.1.2 Ingress / Egress Calls ....................................................................... 58 5.1.3 Air-Time ............................................................................................ 59 5.1.4 Busies ............................................................................................... 62 5.1.5 Grade of Service ............................................................................... 67 5.2 Findings – Network Activity and Performance Modelling ............................ 69 5.2.1 Site Capacity .................................................................................... 69 5.2.2 Ingress / Egress Calls ....................................................................... 69 5.2.3 Air-Time ............................................................................................ 70 5.2.4 Busies ............................................................................................... 70 5.2.5 Grade of Service ............................................................................... 71 5.3 Recommendations – Network Activity and Performance Modelling ............ 72 Mingara Australasia Pty Ltd Commercial and Project in Confidence v SAGRN Pinery Fire Review P-160005_04 5.3.1 Site Capacity .................................................................................... 72 5.3.2 Ingress / Egress Calls ....................................................................... 72 5.3.3 Air-Time ............................................................................................ 72 5.3.4 Busies ............................................................................................... 72 5.3.5 Grade of Service ............................................................................... 72 Appendix A: CALLS PER AGENCY PER SITE ............................................... A-1 Appendix B: CALL DURATION STATISTICS ................................................ B-1 Appendix C: AGENCY CALL TYPES ................................................................ C-1 Appendix D: INGRESS & EGRESS CALL DATA ............................................ D-1 Appendix E: INGRESS & EGRESS BUSIES DATA ........................................ E-1 Appendix F: SITE AIR-TIME DATA.................................................................. F-1 Mingara Australasia Pty Ltd Commercial and Project in Confidence vi SAGRN Pinery Fire Review P-160005_04 Executive Summary A review of the South Australian Government Radio Network (SAGRN) usage and performance during the Pinery Fire on the 25th November 2015 was undertaken by Mingara Australasia (Mingara),