McLellan has a long history of providing comprehensive building services solutions. Projects we have been involved with range from heritage buildings and hospitals to nuclear submarine bases and blast resistant control rooms. Through all stages of the project from concept to completion, our specialists provide a proactive approach, ensuring sustainable, engineered solutions.

Our specialists, with comprehensive expertise in the building services field, work with the client, architects and all necessary engineering disciplines from the earliest possible stage of a project to produce a design solution to meet the most demanding standards for efficiency and cost effectiveness.

McLellan design services include the following:

Mechanical Building Services

  • Heating systems
  • Ventilation systems
  • Air Conditioning systems
  • Steam systems
  • Natural gas distribution
  • Medical gases
  • Fire suppression systems
  • Industrial cooling systems
  • Ground source heating/cooling systems
  • Close control cooling systems (data centre applications)

Electrical Building Services

  • Interior and exterior lighting design
  • Specialist lighting
  • Power systems
  • Fire alarms and control equipment
  • Telecommunications and IT infrastructure
  • UPS - standby generators
  • PA/sound systems/audio visual
  • Security/CCTV/access control
  • Motor control systems
  • Building Energy Management Systems (BEMS)
  • Lifts/escalators
  • Control systems

Public Health Services

  • Above ground foul water drainage
  • Above ground rainwater drainage
  • Incoming mains cold water service
  • Hot and cold water services
  • Pumped drainage systems
  • Bore hole water systems
  • Rain water harvesting

McLellan has a vast amount of in-house knowledge and expertise to draw upon which spans all aspects of building services. This gives us the ability to tackle unusual problems and overcome the unexpected. We also carry out:

  • Feasibility studies
  • Whole life cost assessments
  • Project management and contract administration
  • Expert witness assignments
  • Maintenance surveys
  • Condition surveys
  • Energy audits
  • Carbon management surveys and assessments