SUSTAINABLE BUILDINGS
Asset Classes
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Offices
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- Not applicable
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Enclosed Shopping Centres
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Open Air Retail
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Light Industrial
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Multi-Unit Residential Buildings
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- Not applicable
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Health Care Facilities
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Universal
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- Not applicable
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Focus Area
Topic
Question #
Question
Applicability
Applicable to all buildings (systems or equipment in the owner or landlord’s control)
Answer
Select applicable:
- Yes — Direct digital control
- Yes — Hybrid
- Yes — Pneumatic
- No
Description
Building automation systems (BAS) control equipment and systems, including HVAC and lighting. Building automation systems can take on different forms, including standalone onboard controllers for specific pieces of equipment, legacy pneumatic controls or direct digital control (DDC) systems.
Through automation, building systems can be monitored and adjusted to ensure that they are performing optimally and can facilitate the implementation energy and carbon reduction measures.
DDC systems are often preferred for controllability, accuracy, reliability, responsiveness, accessibility, connectivity and reduced maintenance.
For some types of buildings and systems, a fully integrated BAS is not practical. Other solutions for responsive controls may be more appropriate.
Requirements
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- Identify the type of building automation system (BAS) in use in the building
- List types of equipment connected to the BAS
- Describe the most recent upgrade
Documentation
- Narrative and photos of BAS installed
Adapted BB3 Question
Suggested Lead
References
Crosswalk
Other Notes
- If any major systems or equipment are not connected, provide a brief narrative outlining the rationale and briefly describe how the systems and equipment are controlled
- Direct digital control (DDC): Uses electrical signals or wireless technologies to operate and communicate with parts of a system. Operators use an interface device, typically a computer, to monitor and communicate with devices. If the building operates on small-scale HVAC equipment (e.g., furnaces, rooftop units under 20 tonnes, etc.), then they typically utilize smart controllers, which fall under DDC
- Pneumatic: Uses a compressor to keep systems at a constant pressure. Pressure increases or decreases as a valve or actuator moves. Desired operation on a device is based on the pressure set point of the valve or actuator connected to it.
- Hybrid: A combination of both DDC and Pneumatic
Scoring
1 and / or 2 Points