Civil & Utilities

Protect communities and critical utility and infrastructure assets with Hebel’s range of fire certified and acoustic wall solutions.


Designed for the utilities and infrastructure sectors, Hebel fire and acoustic wall systems are high performing, proven solutions that are fast to construct without the constraints of pre-cast concrete installations.  

The Hebel PowerShield High Performance Fire Wall System has been developed to protect tunnels, power stations and substations from petrochemical fire damage up to 1300oC. The Hebel PowerShield Acoustic Absorption Wall System, with the same fire protection performance as the standalone fire wall system, is also an exceptional resonant noise cancellation system that can be tuned to deliver a resonant barrier for frequencies under 150Hz.

Where noise reduction from industry, major roads and rail corridors is required, Hebel SoundBarrier is the ideal solution; extremely cost-effective, lightweight and easy to install when compared with pre-cast concrete. Added to this is the option of customised patterns at comparatively low cost through the versatility of post-production machining.

Applications

Specification Tool
  • Fire Walls
  • Acoustic/Firewalls
  • Sound Barriers

Hebel Systems

Fire Walls

Hebel’s PowerShield High Performance Fire Wall Systems are certified for hydrocarbon fire exposure, protecting power utility and infrastructure assets, such as road tunnels, against petrochemical fire. Suitable for critical asset wall enclosures and ceilings in tunnels and to protect support structures of the wall and ceiling systems.

Designed to withstand heat up to 1300°C, the PowerShield systems achieve high fire resistance performance when exposed to the Hydrocarbon Modified (HCM) curve for 2 hours (Exova Warringtonfire Fire Assessment 28255-04 RIR). When exposed to cellulosic fire, the systems achieve an FRL of-/240/240 (for horizontally installed wall panels up to 6000mm high) in accordance with AS 1530.4-2005 (Exova Warringtonfire Fire Assessment 24648-07).

Tested and proven for thermal and acoustic performance as well as fire resistance, the systems can be used for new structures or retrofitted. Column protection is achieved by encasing the steel member with the Hebel PowerShield panel. For walls in electromagnetic fields, non-inductive panels can be supplied. Panel thickness ranges from 150mm to 300mm in lengths up to 6 meters.

The PowerShield systems are easy to install where there is restricted site access and does not require heavy lifting equipment, a distinct advantage compared with concrete.

System Application System code Acoustic rating Fire performance / Hydrocarbon Fire performance / Cellulosic (FRL) Panel thickness Wall height Wall length Panel installation
label PowerShield High Performance Fire Wall System for up to 7 metres high, steel support columns not required System code HEB 3001 For tunnel linings, substation enclosures Acoustic rating Rw = 42 - 51dB Fire performance / Hydrocarbon 120 minutes Fire performance / Cellulosic (FRL) -/120/120 Panel thickness 150 - 300mm Wall height H≤6000mm Wall length Unlimited Panel installation Vertical
label PowerShield High Performance Fire Wall System for up to 7 metres high, steel support columns not required System code HEB 3002 For tunnel linings, substation enclosures Acoustic rating Rw = 42 - 51dB Fire performance / Hydrocarbon 120 minutes Fire performance / Cellulosic (FRL) -/120/120 Panel thickness 150 - 300mm Wall height H≤7000m (stitch / splice plate in upper 2000mm) Wall length Unlimited Panel installation Vertical
label PowerShield High Performance Fire Wall System for up to 10 metres high, simple connection System code HEB 3003 For tunnel linings, substation enclosures Acoustic rating Rw = 42 - 51dB Fire performance / Hydrocarbon 120 minutes Fire performance / Cellulosic (FRL) -/240/240 Panel thickness 150 - 300mm Wall height H≤6000mm Wall length L≤6000mm Panel installation Horizontal
label PowerShield High Performance Fire Wall System for up to 10 metres high, simple connection System code HEB 3004 For tunnel linings, substation enclosures Acoustic rating Rw = 42 - 51dB Fire performance / Hydrocarbon 120 minutes Fire performance / Cellulosic (FRL) -/120/120 Panel thickness 150 - 300mm Wall height H≤10000mm Wall length L≤6000mm Panel installation Horizontal
label PowerShield High Performance Fire Wall System for narrow width with services System code HEB 3005 For tunnel linings Acoustic rating Rw = 38dB Fire performance / Hydrocarbon 120 minutes Fire performance / Cellulosic (FRL) -/120/120 Panel thickness 100mm Wall height Unlimited subject to steel support framing system design Wall length Unlimited subject to steel support framing system design Panel installation Vertical or horizontal. Panel fixed to steel support framing system at max.450mm centres
label PowerShield High Performance Fire Ceiling System with services above System code HEB 3006 For tunnel linings Acoustic rating Rw = 38dB Fire performance / Hydrocarbon 120 minutes Fire performance / Cellulosic (FRL) -/120/120 Panel thickness 100mm Wall height N/A Wall length Unlimited subject to steel support framing system design Panel installation Perpendicular to framing. Panel fixed to steel support framing system at max.450mm centres
label PowerShield High Performance Steel Column Fire Protection System with monolithic face finish System code HEB 3007 For substation enclosures Acoustic rating N/A Fire performance / Hydrocarbon 120 minutes Fire performance / Cellulosic (FRL) 120/-/- Panel thickness 150mm Wall height H≤10000mm subject to steel column design Wall length N/A Panel installation Vertical
label PowerShield High Performance Steel Column Fire Protection System for existing structural column elements with narrow access System code HEB 3008 For substation enclosures Acoustic rating N/A Fire performance / Hydrocarbon 120 minutes Fire performance / Cellulosic (FRL) 120/-/- Panel thickness 150mm Wall height H≤10000mm subject to steel column design Wall length N/A Panel installation Vertical
label PowerShield High Performance Steel Column Fire Protection System for existing structural column elements at wall junctions with narrow access System code HEB 3009 For substation enclosures Acoustic rating N/A Fire performance / Hydrocarbon 120 minutes Fire performance / Cellulosic (FRL) 120/-/- Panel thickness 150mm Wall height H≤10000mm subject to steel column design Wall length N/A Panel installation Vertical
label PowerShield High Performance Steel Column Fire Protection System for corner structural elements with narrow access System code HEB 3010 For substation enclosures Acoustic rating Fire performance / Hydrocarbon 120 minutes Fire performance / Cellulosic (FRL) 120/-/- Panel thickness 150mm Wall height H≤10000mm subject to steel column design Wall length N/A Panel installation Vertical

Hebel Systems

Acoustic/Firewalls

An advanced tunable sound reduction system for power utilities, major roads and rail corridors, the PowerShield Acoustic Absorption Wall System delivers a resonant frequency barrier under 150HZ, far lower than other traditional alternatives. In fact, performance has been achieved with an absorptive rating of 0.95 at 100Hz using Helmholtz resonance principles. Able to eliminate resonant noise at a close distance from the source, the system provides an opportunity to utilise adjacent land that would otherwise be considered unsuitable for development.

The PowerShield Acoustic Absorption Wall System is constructed with horizontal, steel reinforced tongue and groove AAC panels mounted to vertical steel columns in concrete foundations. A second skin of 75mm PowerPanel is connected to the PowerShield wall using steel top hats. These panels have a calculated horizontal and vertical air gap between them, acting as slats which face the noise source. The positioning of these panels can be adjusted to address specific resonant frequency of the project.

In addition to this system’s high acoustic attenuation performance and tuning capability, it also provides high level fire resistance when exposed to the Hydrocarbon Modified (HCM) curve for 2 hours and withstands heat up to 1300°C. When exposed to cellulosic fire, the system achieves a -/240/240 fire rating for AS 1530.4-2005.

System Application System code Acoustic rating Fire performance / Hydrocarbon Fire performance / Cellulosic (FRL) Panel thickness Wall height Wall length Panel installation
label PowerShield Acoustic Absorption Wall System
For substation enclosures
System code HEB 3011 Acoustic rating Rw = 42 - 51dB. Tunable frequency 50 - 200 Hz. Fire performance / Hydrocarbon 120 minutes Fire performance / Cellulosic (FRL) -/120/120 Panel thickness Acoustic wall 75mm PowerPanel. PowerShield High Performance Fire Wall Systems thickness 150 - 300mm Wall height Refer to PowerShield High Performance Fire Wall Systems HEB 3001 - 3004. Wall length High Performance Fire Wall Systems HEB 3001 – 3004. Panel installation Vertical or horizontal. Refer to PowerShield High Performance Fire Wall Systems HEB 3001 & 3002 (vertical installation), HEB 3003 & 3004 (horizontal installation).

Hebel Systems

Sound Barriers

Hebel SoundBarrier is a highly effective acoustic wall system that produces significant reductions in noise levels from industry, major roads and rail corridors with a high level of design flexibility.

The standard system consists of galvanised steel columns in concrete pier foundations. The caged steel-reinforced Hebel SoundBarrier panels are placed horizontally between or against the columns and held in place by galvanised steel angles or plates. At just 25% the density of concrete, the system is fast and easy to install and negates the need for costly precast moulds and large craneage associated with pre-cast concrete installations.

At around two-thirds the cost of comparable concrete systems, Hebel SoundBarrier delivers multiple advantages not only in terms of project cost and efficiency but also in visual appeal. Hebel factory routing allows for cost effective and flexible design choices. Whether large areas of free flowing design or small areas of simple architectural shadow lines or intricate variable depth routing for a truly sculptured look, Hebel SoundBarrier panels can be routed easily and without the costly limitations of precast moulds and heavy construction requirements. The system can be designed to accommodate feature bays or stepped to follow the grade of the road providing an uninterrupted wall of constant height. With an extensive choice of acrylic coating colours available, a wide range of effects can be achieved. The system can also be used with other materials for functional or aesthetic relief.

System Application System code Acoustic rating Panel dimensions Universal beam Panel weight (kg/m2) Compressive strength
label SoundBarrier Acoustic walls for industry, major roads, rail corridors System code HEB 2200 Face Fixed Acoustic rating Rw = 40- 45dB (for 150 - 250 columns) Panel dimensions 600mm wide up to 6000mm length Universal beam 180ub to 250ub depending on barrier height Panel weight (kg/m2) 100mm = 75kg/m2, 150 = 110kg/m2 Compressive strength 4.0MPa
label SoundBarrier Acoustic walls for industry, major roads, rail corridors System code HEB 2201 Embedded within column Acoustic rating Rw = 40- 45dB (for 150 - 250 columns) Panel dimensions 600mm wide up to 6000 length Universal beam 180ub to 250ub depending on barrier height Panel weight (kg/m2) 100mm = 75kg/m2, 150 = 110kg/m2 Compressive strength 4.0MPa

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