Maintenance of Bunkers and Shelters

Systematic maintenance for maximum operational readiness

A shelter is only as reliable as its technical and structural condition. Material aging, moisture, mechanical stress, or system wear can reduce its protective effectiveness over time.

BSSD’s maintenance service ensures that bunker and shelter systems remain permanently operational – structurally, mechanically, and electronically.

Scope of Services

1. Structural Inspection

• Visual inspection of wall, ceiling, and floor structures

• Inspection for cracks, moisture, and corrosion

• Verification of seals and connection details

• Inspection of access systems (door, frame, locking mechanisms)

2. Door and Access Systems

• Functional testing of multi-point locking systems

• Adjustment of hinges and locking components

• Inspection of ballistic components (if installed)

• Lubrication and mechanical maintenance

3. Ventilation and NBC Systems

• Filter condition inspection

• Verification of the overpressure system

• Leak testing of ventilation lines

• Functional testing of fans and control systems

• Replacement intervals according to manufacturer specifications

4. Electrical Infrastructure

• Emergency power system test run

• Battery and accumulator inspection

• Testing of safety and protection units

• Testing of building control systems (if installed)

5.Sensors & Security Technology

• CO₂ and O₂ sensor inspection

• Camera and communication system testing

• Alarm and early warning system functionality testing

• Software updates (for smart systems)

Maintenance Intervals

Recommended:

• Annual standard maintenance

• Semi-annual maintenance for intensively used facilities

• Special inspections after exceptional events (e.g., flooding, power outage, mechanical stress)

Documentation & Inspection Report

Every maintenance procedure is documented. Customers receive:

• Inspection report

• Condition assessment

• Recommended actions

• Replacement or optimization proposals

This increases transparency, preserves value, and ensures long-term investment security.

Benefits for Operators

• Ensuring protective effectiveness

• Reduction of technical failure risks

• Extension of service life

• Preservation of property value

• Documented safety compliance

Request a Maintenance Appointment Now

Ensure the permanent operational readiness of your shelter. Contact BSSD for a non-binding maintenance analysis or to schedule an inspection appointment.