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M4 East Motorway Tunnel Fire System Sydney, NSW, Australia Case Study

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M4 East Motorway Tunnel Fire System Sydney, NSW, Australia Case Study M4 East Motorway Tunnel Fire System Sydney, NSW, Australia Case Study 5.5 kilometre six-lane motorway tunnel Pertronic analogue addressable fire detection and alarm system Pertronic FireMap graphical user interface Integrated linear heat detection (LHD) system Bi-directional Modbus integration with plant management system Contents Introduction................................................................... 2 Fire System Overview.......................................................... 3 The Pertronic F220/Net2 Network.............................................. 6 Roadway Fire Detection and Suppression ................................. 6 Tunnel Drainage Sump ................................................... 6 Pump Controls ........................................................... 6 Hydrant Valve Controls . 7 Pertronic FireMap® Graphical User Interface............................... 8 Communication Between Fire System Network and PMCS ................. 8 Pre-Configured Messaged Between Fire System and PMCS ................ 9 Tunnel Fire Suppression Control System .................................10 Ancillary Facilities FACP Control and Monitoring .........................11 Configuring the M4 East Fire System .....................................11 Conclusion ...................................................................11 Cover Page: Opened on July 13, 2019, the 5.5-kilometre six-lane M4 East motorway tunnel between Homebush (shown) and Haberfield is the main feature of a 6.5 km extension to the eastern end of Sydney’s M4 motorway. The tunnel and its occupants are protected by a network of 93 Pertronic F220 fire indicator panels. Opposite: A roadheader working on the M4 East tunnel project. At the peak of tunnelling, 21 roadheaders were employed on the project. (Image: WestConnex) Introduction Pertronic Industries has supplied networked fire provide emergency exit routes. Some cross passages system equipment for the M4 East motorway tunnel have electrical equipment rooms. on Sydney’s $A 16.8 billion WestConnex motorway project. The tunnel opened on July 13, 2019, marking The M4 East has a surface interchange at Homebush the completion of Stage One of WestConnex. Bay Drive and an underground interchange at Concord Road. At the eastern end, the motorway connects with The three-stage WestConnex project will deliver more Wattle Street and Parramatta Road. In addition to the than 30 kilometres of new or upgraded motorways, main roadways, the interchanges have an additional including 22 kilometres of tunnels. Due for completion three kilometres of tunnelling. in 2023, the project will improve the roads between Sydney’s airport and seaport, and communities to the The Motorway Control Centre (MCC) building is located west and southwest of the city. near Homebush. A Disaster Recovery Site (DRS) with backup controls shares a building at Cintra Park with WestConnex stage one was completed in two phases. one of the motorway’s electrical substations. There are Phase one involved widening the M4 between additional motorway substations at Underwood Road, Parramatta and Homebush to eight lanes. This was Ismay, Concord Road, and Haberfield (Parramatta completed in 2017. Phase two was the M4 East Road). Motorway ventilation facilities are located at project. This is a new 6.5 kilometre motorway between Underwood Road, Cintra Park, and Parramatta Road. Homebush and Haberfield, about 8 kilometres west of the Sydney CBD. With these improvements, the M4 Construction began in 2016. Tunnelling advanced from stretches 51.5 kilometres from Haberfield to Glenbrook more than 20 locations. A fleet of road-headers bored in the Blue Mountains west of Sydney. the tunnels, which were finished and fitted out by a large workforce. According to M4 East project director The $A3.8 billion M4 East project includes a 5.5 Terry Chapman, “We had over 2300 people on the kilometre tunnel with two parallel bores. Each bore project working directly, and probably another 2000 carries a three-lane road with 5.3 metres of vertical plus companies supplying components and product.” clearance. Cross-passages link the tunnel bores at regular intervals along their length. The cross-passages Sydney’s motorway network, showing how the WestConnex projects connect with existing roads, and the NorthConnex project. The WestConnex and NorthConnex projects are due for completion in 2024 and 2020 respectively. (Graphic: Transurban) Page 2 Fire System Overview The M4 East fire system is based on a Pertronic to over-ride the automatic suppression system when F220/Net2 network with ninety-three F220 fire manual intervention is considered appropriate. panels. Duplicated Pertronic NET2CARD Modbus interfaces connect the fire system with the tunnel’s If excessive heat is detected in the roadway tunnels, plant monitoring and control system (PMCS). Two the F220/Net2 network automatically signals an Pertronic NET2CARD Ethernet interfaces connect alarm monitoring service, which calls the fire brigade. the network with two Pertronic FireMap® graphic The network also sends an alarm signal to the plant user interfaces (GUI). monitoring and control system (PMCS), initiates a water deluge system in the affected zone, and activates Fire detection in the tunnel is based on six LIOS four- alarm strobes at the tunnel portals. channel fibre-optic linear heat detection systems connected to F220 fire panels via Pertronic SPIB-LIOS On receiving an alarm signal, the PMCS initiates an (Modbus) interfaces. The networked F220 fire panels evacuation according to pre-programmed plans, also monitor heat and smoke detectors in cross which may include taking control of ventilation fans passages, equipment areas, and buildings throughout and signage, and broadcasting pre-recorded voice the tunnel complex, together with hydrocarbon messages over loudspeakers throughout the tunnel. detectors in the drainage sumps, and aspirating smoke The Pertronic FireMap® graphical user interface allows detectors in server rooms. tunnel operations staff to over-ride the automatic fire The Pertronic FireMap® graphic user interface provides system response if manual intervention is justified. touch-screen control and monitoring of the fire detection and suppression systems. This allows tunnel operators Fire suppression system valve assemblies awaiting installation. One of the cross-passages is visible, alongside the white ute. (Photo: WestConnex) Page 3 Scope The M4 East fire detection, alarm and suppression system has the following main parts: > A Pertronic FireMap® graphical user interface (GUI) in the Motorway Control Centre (MCC) (near the Homebush DFO shopping complex), together with a second Pertronic FireMap® GUI in the Disaster Recovery Site (Cintra Park) > A Pertronic F220/Net2 network with 93 F220 analogue addressable fire alarm control panels (FACP) and four Pertronic NET2CARD network interface units > Two bi-directional high-level (Modbus) interfaces between the fire system network and the tunnel plant monitoring and control system (PMCS), providing comprehensive control and monitoring of the fire system from the tunnel PMCS > Alarm signalling equipment for transmitting the fire alarm signal to an alarm monitoring service > Six four-channel LIOS linear heat detector controllers, interfaced via Modbus with the Pertronic fire system. The controllers are configured with 517 linear heat detection zones covering the east-bound and west-bound roadways, together with the entry and exit tunnels > 517 solenoid valve control relays for deluge system activation > Duplicate hydrocarbon gas detectors in the drainage sump > 26 Pertronic hydrant valve control boards, in addition to Pertronic FireMap® GUI hydrant controls > More than 500 analogue addressable point type smoke and heat detectors in tunnel cross passages, egress passages, ventilation facilities, substations, and buildings > Three aspirating smoke detectors in the equipment rooms at the MCC > Sprinkler system monitoring sensors in the Ismay and Parramatta pump rooms > Emergency warning devices such as strobes and sounders in ancillary buildings > An additional stand-alone Pertronic F220 FACP in the Cintra Park water treatment station, with alarm signalling equipment to transmit the alarm signal to an alarm monitoring service. This fire panel monitors six analogue addressable point type smoke detectors and a manual call point Seventy-nine Pertronic 28U weatherproof F220 fire indicator panels (above) are installed in underground locations throughout the M4 East motorway tunnel complex. Another fifteen F220 fire indicator panels are installed in ancillary buildings. Page 4 MOTORWAY CONTROL CENTRE DISASTER RECOVERY SITE MCIE Main Control and Indicating Equipment (F220) PMCS PMCS SCIE Sub Control and Indicating Equipment (F220) FI FI PMCS Plant Monitoring and Control System MCIE SCIE MCIE SCIE FI Firemap Interface LHDC Linear Heat Direction Controller Eas DRAINAGE tbound T SUMP PLANT unnel Net2 Ring Circuit (typically dual fibre/bi-directional) F220 F220 F220 Ethernet Cable F220 Westbo und Tu Modbus nnel F220 F220 Cross Passage with F220 Panel F220 F220 F220 F220 F220 M4 East Fire System: Simplified Block Diagram F220 This diagram presents the key components of the M4 East fire system. Please note that multiple elements and details have been omitted for clarity. The Motorway Control Centre is shown at the beginning of the tunnel, connecting to multiple F220 fire panels in a Net2 Ring Circuit. Also displayed further along the tunnel is the Disaster Recovery Site, Drainage
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