Site Fire Alarms
Site alarms allow manual fire alarms to be raised where a smoke detection system is not feasible or not installed yet. Providing a temporary alarm system, they can be used for any emergency that requires evacuation of the site such as fires, chemical spills, or other dangerous incidents. Typical examples of where site alarms would be installed are construction sites, music festivals, outdoor events, and temporary structures such as container accommodation.
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What Makes Site alarms Different from Regular Fire Detectors?
Site alarms are built to withstand the rigours of construction environments. They feature weatherproof casings, enhanced sensitivity settings, and wireless connectivity that works across large areas. Unlike home smoke detectors, these systems can operate in dusty conditions without constant false alarms.
Construction sites generate dust, debris, and various particles that would trigger standard detectors repeatedly. Site-specific alarm systems use advanced filtering technology to distinguish between actual fire threats and construction-related particles.
How Do Wireless Site Alarm Systems Work?
Wireless site alarms create a network of interconnected detectors, call points and sounders across your construction site. When one detector identifies a fire risk, it immediately alerts all connected units simultaneously, ensuring everyone on site receives the warning regardless of their location.
The wireless technology eliminates the need for complex wiring installations. You can position detectors wherever needed and relocate them as your project progresses. Battery-powered units provide months of operation without external power sources.
Which Fire Detection Technology Is Most Effective for Construction Sites?
Heat detection proves most effective for construction environments. These detectors respond to rapid temperature changes rather than smoke particles, making them ideal for dusty conditions. They trigger when temperatures reach preset levels or rise rapidly.
Optical smoke detectors work well in enclosed areas such as temporary offices or storage containers. Combined heat and smoke detectors offer dual protection for critical zones where both detection methods add value.
Regulations and Compliance
Construction sites must comply with building regulations and health and safety requirements. The Construction (Design and Management) Regulations mandate adequate fire safety measures throughout the construction phase, and your detection system should meet British Standards for construction site safety.
Regular testing and maintenance ensure compliance and optimal performance. Many insurance policies also require the use of certified fire detection systems for construction projects. Document all maintenance activities to support your compliance records.
Coverage and Maintenance
Coverage depends on your site size, layout, and specific risk areas. A general rule suggests one detector per 100 square metres for open areas, with additional units required in high-risk zones such as fuel storage or electrical equipment areas.
Site alarms need regular testing to ensure reliable operation. Weekly tests verify battery levels and detector sensitivity, while monthly inspections check for physical damage from construction activities. Replace batteries every 6 to 12 months and clean detector sensors monthly to prevent dust accumulation.
Find the Right System for Your Site
Explore our comprehensive range of site alarm systems, specifically designed for demanding construction environments. Consider our wireless site alarm systems for maximum flexibility, or browse our manual site alarms for smaller projects.
Our fire safety experts can help you select the ideal detection solution for your specific project requirements. For additional guidance, our construction site fire safety resources cover the key principles that apply to even the most complex builds.
Evacuator Sitemaster Push Button Site Alarm
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- 9V battery operated
- Durable ABS plastic casing
- Push button activation
- Sounds an alarm at 110dB and visual warning
- Link up to 25 Evacuator units into one system
From: £30.95 inc VAT
£25.79 ex VAT
Evacuator Sitemaster Call Point Site Alarm
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- Battery operated audio and visual warning alarm
- Features a resettable call point
- Durable ABS plastic casing
- 110dB sounder
- Link up to 25 Evacuator units into one system
From: £35.51 inc VAT
£29.59 ex VAT
Evacuator Synergy+ Wireless Call Point Site Alarm
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- 4.5V battery powered – up to 3 years battery life
- Wirelessly links with up to 250 Synergy+ units within one system
- Call point activation with site-wide reset function
- Combined 110dB sounder and xenon strobe
- Durable construction and IP55 rated
£296.39 inc VAT
£246.99 ex VAT
Evacuator Synergy+ Wireless Site Alarm Automatic Smoke & Heat Detectors
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- 9V battery powered – up to 3 years battery life
- Wirelessly links with up to 250 Synergy+ units within one system
- Provides automatic fire detection with a choice of Optical Smoke or A1R Heat
- Compatible with Apollo Series 65 conventional detector heads
- Call Points or other non-detector units are required to sound the alarm
From: £259.55 inc VAT
£216.29 ex VAT
Evacuator Synergy+ Wireless Site Alarm GSM Gateway
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- Mains powered via included 4.5V adaptor with battery backup
- Wirelessly links with Synergy+ Base Station for system monitoring
- SMS notifications to up to 5 phone numbers each for fire and first aid
- Enables real-time system monitoring of device status and event history
- Multiple systems can be connected to one evac-m web portal account
£527.87 inc VAT
£439.89 ex VAT
Evacuator Synergy+ Wireless Relay Interface
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- 9V battery powered – up to 3 years battery life
- Wirelessly interlink up to 250 Synergy+ units
- Manage automatically controlled devices in the event of a fire
- Integrated 110dB and LED strobe light
- Durable construction and IP55 rated
£272.99 inc VAT
£227.49 ex VAT
Evacuator Synergy+ Wireless Call Point Site Alarm with First Aid
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- 4.5V battery powered – up to 3 years battery life
- Wirelessly links with up to 250 Synergy+ units within one system
- Dedicated first aid button to notify Base Station
- Call point activation with site-wide reset function
- Combined 110dB sounder and xenon strobe
- Durable construction and IP55 rated
£310.67 inc VAT
£258.89 ex VAT
Evacuator Synergy+ Wireless Sounder / Strobe
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- 4.5V battery powered – up to 3 years battery life
- Wirelessly links with up to 250 Synergy+ units within one system
- Site-wide reset function reset from a single location
- Combined 110dB sounder and LED strobe
- Durable construction and IP55 rated
£263.51 inc VAT
£219.59 ex VAT
Evacuator Synergy+ Wireless Site Alarm Base Station with Call Point
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- Mains powered via included 4.5V adaptor
- Wirelessly links with up to 250 Synergy+ units within one system
- Allows all linked devices to be tested from a single location
- Real-time RF connectivity status and low battery warnings
- Full colour touchscreen display for easy system setup and monitoring
£642.47 inc VAT
£535.39 ex VAT
Evacuator Synergy+ Wireless TG Extra Tough Call Point Site Alarm with Sounder / Strobe
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- Site alarm for harsh or exposed environments - IP65 rated
- 4.5V battery powered – up to 3 years battery life
- Compatible with the Synergy+ range of alarms
- Enhanced weatherproofing with silicone rubber
- Anti-tamper button to deter against misue
£312.00 inc VAT
£260.00 ex VAT
Evacuator Synergy RF Call Point Site Alarm
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- 9V battery powered
- Wirelessly links with up to 40 Synergy RF units within one system
- Call point activation
- Combined 110dB sounder and xenon strobe
- Durable construction and IP55 rated
£290.75 inc VAT
£242.29 ex VAT
Evacuator Synergy RF Sounder/Strobe Site Alarm
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- 9V battery powered
- Wirelessly links with up to 40 Synergy RF units within one system
- To be used in conjunction with the Synergy RF Base Station or Call Point
- Combined 110dB sounder and xenon strobe site alarm
- Durable construction and IP55 rated
£240.95 inc VAT
£200.79 ex VAT
Evacuator Synergy RF Heat Detector Site Alarm
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- 9V battery powered site alarm
- Wirelessly links with up to 40 Synergy RF units within one system
- Incorporates a heat detector
- Designed to detect changes in room temperature
£251.75 inc VAT
£209.79 ex VAT
Evacuator Synergy RF Smoke Detector Site Alarm
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- 9V battery powered site alarm
- Wirelessly interlinks with up to 40 Synergy RF units within one system
- Incorporates an optical smoke detector
- Designed to detect fast flaming fires
£252.47 inc VAT
£210.39 ex VAT
Evacuator Synergy RF Base Station Site Alarm
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- 9V battery powered base station site alarm
- Wirelessly links up to 40 Synergy RF units into one system
- Features a resettable call point and 85dB sounder
- Monitors all linked devices for low battery
- Displays which device has been activated
£417.60 inc VAT
£348.00 ex VAT
Evacuator Synergy RF Secure Key Fob
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- Designed for use as part of the Evacuator Synergy RF system
- Performs a system test and reset
- Required for use where a Base Station is not installed
- Easy to use swipe method
£9.23 inc VAT
£7.69 ex VAT
Emergency Air Horn Sign with Bracket
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- Wall bracket for emergency air horn
- Low weight foamed PVC board
- Can be mounted to any wall
- 250 x 250 x 5mm
£12.98 inc VAT
£10.82 ex VAT
Emergency Air Signal Horn
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- Extremely loud portable air horn
- Ideal for building sites and outdoor activity etc.
- Complies with latest EU regulations
- Non-flammable gas propellant
£22.70 inc VAT
£18.92 ex VAT