Ensuring Construction Site Safety with Howler GOLink, HO and Alert Systems


Understanding Howler Systems in Fire Safety



Construction and short-term sites present distinct fire risks due to ever-changing layouts, mobile equipment, plus dispersed work zones. A reliable alarm setup is vital for quickly notifying everyone in case of danger. The Howler range – including GOLink, HO alarms, and site alert units – offers a flexible, customisable solution suitable for diverse environments.





Overview of HO Alarms?



HO alarms are self-contained, standalone units designed for temporary spaces such as site cabins or unconnected site areas. No hard-wired connection is required, making installation straightforward.



  • Loud warning: Typically 102 dB at 1 metre.

  • Visual indicators: Available units feature a strobe light alongside the audible siren.

  • Durable casing: Many are IP-rated for outdoor or semi-exposed installation.



HO alarms augment main systems, covering areas not reached by the primary site alert infrastructure.





The Site-Wide Site Alert Systems



The Howler Site Alert system is suited to compact and medium-sized sites. Each unit can work alone or be wired together with up to 20 others. When triggered, all connected units will sound and flash, ensuring comprehensive coverage.



  • Audible warning: Approx. 100 dB at 1 m

  • Visual cue: Built-in red LED beacon

  • Best used where cable runs are feasible



Site Alert RF



Where wiring is unworkable, the more info Site Alert RF allows up to 30 devices to connect wirelessly to a master unit. With up to 1 km open-air range and multiple frequency channels, this setup is ideal for sprawling or temporary layouts.



Hybrid installations using both wired howler site alarms and wireless units are common and deliver better coverage.





GOLink Integration



GOLink acts as a wireless hub, supporting site-wide howler site alarms communication and coordination.



GOLink Interface Unit



This module connects Howler alarms to external systems (e.g. CCTV, access control), allowing signals to cascade when an event occurs. Up to 127 stations can communicate over the GOLink network.



Dual Use Functionality



Some models, such as the H05 GOLink, incorporate separate fire and first aid switches. The latter sends a discreet assistance signal to a control point without triggering full evacuation unless specified.





Best Practices for Deployment



  • Zone planning: Map the site into clear zones (e.g. cabins, workshops) and locate alarms for optimal reach.

  • Wired & wireless balance: Use wired alarms where infrastructure allows; RF units in more mobile areas.

  • Regular testing: Weekly or monthly checks to confirm functionality and battery levels.

  • Staff training: Ensure all personnel understand alarm tones, first aid indicators, and emergency response steps.





FAQs



How many alarms can I link together?

Up to 20 wired Site Alert units using 2-core cable.


How far does it reach?

Approx. 1 km in open air (may reduce with obstacles).


Is a panel required?

No. HO alarms operate independently without central panels.


Integration options?

Yes, via the Interface Unit. External systems such as CCTV and turnstiles can be integrated.


Purpose of switch covers?

It reduces false alarms by requiring cover removal before pressing. An alert sounds if tampered with.


Hybrid system support?

Yes. Mixed networks are common and synchronised through the GOLink system.


First aid switch impact?

No. The signal is isolated unless configured otherwise.





Summary & Next Steps



Effective fire safety requires adaptable, clearly communicated alarm strategies. The Howler suite, including HO alarms, Site Alerts and GOLink systems, provides dependable protection for sites of all types. For product specifications, planners, or live demonstrations, visit the Howler section at FireSense.


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