UBC Building Management Systems

1
UBC Building Management Systems

• Mark Scott
• BMS Manager

2
EcoTrek

• Scope
• Upgrade existing controls to DDC in all major
  buildings on campus (Primary Systems)
• Installation of VFDs and DDC VAV boxes where
  appropriate.
• Connection of all BMS buildings into the campus
  wide network
• Installation and networking of Electrical, Water
  and Steam meters.

3
Campus Wide BMS

• Scope
• Over 100 buildings networked together.
• Siemens S600 Apogee Primary BMS and chosen as the
  main integration platform.
• Johnson, ESC (Delta) are the two other approved
  vendors.

4
Siemens as the Primary Interface.

• Largest system on campus.
• Over 43,000 points on Siemens system alone.
• Over 3,700 graphics

5
Integration

• Systems integrated into the Siemens BMS.
• ION Enterprise Metering (OPC, and custom
  software)
• Johnson (OPC BACnet)
• Delta (BACnet)
• Phoenix (BACnet)

6
Integration Cont.

• Classroom Services Room Scheduling (Custom
  Software, not yet completed)

7
Open Protocols - BACnet

• Straight forward to implement.
• Vendors have little knowledge with integration.
• Variations between vendors on how BACnet has been
  implemented.
• NOT plug and play.

8
Open Protocols - OPC

• Difficult to implement.
• Stability issues.
• Relies on DCOM (windows), very hard to setup over
  WANs.
• NOT Plug and Play.

9
Integration Lessons Learned

• Stay with one vendor if possible.
• Integration costs are moved from the construction
  project to operations.
• Integration causes loss of functionality.
• Increased costs due to requirements of multiple
  service agreements, training and parts.
• Decrease in customer satisfaction due to slower
  response time to problems and breakdowns.