Specialist engineering support
Critical systems engineering for life safety & building systems.
Ironmark Critical Services carries out fault finding, commissioning, planned maintenance and system recovery across fire safety, aircraft warning lighting, security, networking, electrical and building controls.
- 01
- Life safety
- 02
- Controls
- 03
- Critical electrical
- 04
- Security & networks
IM-CS / 001
What we do
Fault finding for difficult building systems.
We investigate faults and carry out planned maintenance across fire alarms, smoke control, aircraft warning lighting, integrated security, networks, electrical and control systems. We record what we test, what we find and what needs to happen next.
Fire alarm engineering
PPM, fault finding, commissioning, system recovery, modifications and cause-and-effect verification.
View capability → 02Smoke control & AOV
PPM, control fault investigation, functional testing, commissioning, surveys and recovery.
View capability → 03Critical electrical & controls
PPM and fault finding across control panels, motors, fans, changeover systems and networks.
View capability → 04Aircraft warning lighting
PPM, servicing and fault finding for aviation obstruction lights, power supplies, monitoring and control gear.
View capability → 05Integrated security & networks
Fault finding, PPM visits and system checks for access control, CCTV, intruder alarms, intercoms and IP networks.
View capability → 06LV shutdowns & support
Shutdown planning, system dependency checks, attendance support and controlled recommissioning.
View capability → 07Technical assurance
Independent surveys, installation audits, condition assessments and document review.
View capability → 08System recovery
Return to service after electrical failures, water ingress, network faults or incomplete works.
View capability → 09Incident response
Focused attendance for safety-critical or operationally significant system failures.
View capability →Why ICS
One fault can involve several systems.
A problem may involve electrical supplies, controls, networks, life safety equipment and connected plant. We check the whole operating sequence, not just the first fault indication.
How we approach technical work- 01
Engineering-led
We test the system and identify the cause before proposing parts or remedial work.
- 02
Across disciplines
We check electrical, controls, networks and life safety as parts of the same system.
- 03
Recorded
We record the tests, results, findings and recommended work.
- 04
Independent
Our findings are based on test evidence, not equipment sales.
Where we work
Built for complex, occupied and safety-critical environments.
Technical capability
When routine maintenance has not found the fault.
ICS takes on work involving legacy equipment, intermittent faults, missing records, several contractors and faults between systems.
Review technical capabilityTechnical enquiries