Electrical design is vital in maintaining an operational building. Our electrical engineers take great pride in designing systems that take into consideration future equipment additions and/or building expansions while balancing current loads. We are also capable of designing emergency generation systems for critical systems.

Charlie Yu & Associates also offers an added value service for lighting design. We work with architects to implement state-of-the-art lighting designs to reduce load and consumption. For example, a simple occupant sensor can save 20% on lighting energy while daylighting controls can save up to 40% on lighting energy. These savings can be used for Leadership in Energy Efficient Design (LEED) projects and/or Savings by Design (SBD) projects. When lighting accounts for 33% of electricity use in California, significant savings stem from a well designed lighting system.

Power (back to top)

• Building electrical systems assessment
• Power distribution
• Site utilities
• Fault and coordination studies
• Data systems design
• Lighting protection
• Wire management

Lighting (back to top)

• Interior and exterior lighting design
• Special lighting control systems utilizing dimming or specialized energy management
• Daylighting

Communication (back to top)

• Voice/data systems
• Fire alarm/life safety systems
• Security systems, card access, CCTV
• Healthcare systems including nurse call and patient registry systems
• Building paging and sound systems
• Sound Systems and Intercoms

Standby/Emergency Systems (back to top)

• Engine Generators
• Uninterruptible Power Source (UPS)
• Parallel Systems
• Redundant Systems
• Automatic Transfer Switching
• Cogeneration
• Peak Switching

Others (back to top)

• Equipment Grounding
• EMI shielding
• Power Quality/Conditioning
• Peak Shaving

Cell Sites (back to top)

We provide engineering services for base stations and sector antennas, including equipment grounding, for all major wirless carriers in the United States, including Cingular, Nextel, Sprint, T-Mobile and Verizon. We are familiar with the various mounting techniques on towers, water tanks, rooftops and sides of buildings. Mechanical engineering services are also provided for base stations that are located within an enclosed space and need mechanical cooling.