You can put services below beams but in some cases you might get a very large beam, then something like this might be necessary. Here are some common services that are often found in office ceilings: 1. Electrical Wiring 2. HVAC (Heating, Ventilation, and Air Conditioning) 3. Fire Protection Systems like Fire sprinklers, smoke detectors, and fire alarm systems 4. Cabling for Data and Networking 5. Audio-Visual Systems 6. Pipes - certain plumbing connections and components may extend into the cei