Difficulty: expert
Content
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Learning Objectives
After reading this article, you’ll be able to:
Understand the difference between Occupancy and Utilization concepts used in Workplace
Select which sensor solution is most adapted to your use case
What is the difference between the concepts Occupancy and Utilization?
Both concepts are based on occupancy sensor data.
occupancy (eg 50% occupied in 8h time) vs utilization (2 out of 4 chairs)
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Example 1. If a meeting went on for 8 hours, and 2 people were in a meeting room with capacity 10, Occupancy will be seen as 100% for the whole 8 hours, but Utilization was only 20%.
Example 2. A room can be occupied 50% of a day (4 out of 8h) but when only 2 chairs are used out of 4,
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it is utilized 50% against 50% occupation.
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The real performance is then only 25% (half a day used for half the capacity).
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Other example: An 8h meeting for 2 people in a meeting room with capacity=10
Occupancy = 100%
Utilisation = 20%
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How to interpret room occupancy in Cobundu : Occupancy parameters.pptx
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Check Setting the capacity and thresholds of spaces for more information on how to configure Room Capacity.
Direct Utilization & Occupancy
Direct Utilization means the sensor will send information on “the number of people counted in a certain area” (headcount number) to the Workplace platform.
Headcount number is visualized in the Utilization Live Floorplan and is reported on in Space monitor Dashboard. Occupancy Live Floorplan will indicate if the location is occupied or not.
Sensor method | Installation method | other hardware needed | max installation height | Functioning method | max Detection area | Icon decay | Config | info available | advised for utilization? |
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Pointgrab | wired | none | 2.15m (7ft) to 4.5m (14.8ft) |
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Pointgrab |
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Workplace Cloud every 1min: this interval is so low that a person in the room will be captured. |
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9.18m x 5.32m (30.11ft. x 17.45ft.), max 10 desks | 2 min | Pointgrab Platform + Studio | Utilization, Occupancy & Reservation Live Floorplans (see below) + Space monitor | yes for utilization in meeting rooms or in open spaces |
Vergesense |
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wireless |
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wireless |
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gateway | 3,66m (12 ft) |
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When presence is detected, the data is uploaded into the Workplace Cloud and updated every 2 minutes for wireless sensors: this interval is so low that a person in the room will be captured |
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. | 3.7m x 7.4m (24ft. x 20.1ft.), max 8 desks | 2 min | Vergesense Platform + Studio | Utilization, Occupancy & Reservation Live Floorplans (see below) + Space monitor | yes for utilization in meeting rooms or in open spaces |
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Indirect Utilization & Occupancy
Indirect utilization means the sensor will send for example presence or footfall data, and after time slot data aggregation (see /wiki/spaces/WM/pages/492237) Workplace platform will calculate “the number of people counted in a certain area”.
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The Browan Motion sensor will send information on occupancy (presence detected? yes or no) to the Workplace platform. If you have multiple Browan Motion sensors in 1 room (1 per seat and 1 to cover the room), and the configuration is done in a specific way, Workplace platform can calculate “the number of people counted in a certain area”. Page Use Browan motion sensors for indirect utilization describes
Presence data is visualized in the Occupancy & Utilization Live Floorplans and is reported on in Space monitor Dashboard. |
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Based on the Airthings comfort data and some metadata (like m2 of the location), an underlying algorithm calculates utilization. Check out
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Sensor method | Installation method | other hardware needed | max installation height | Functioning method | max Detection area | Icon decay | Config | info available | advised for utilization? |
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Browan motion sensors | wireless (tape or screw) |
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gateway + 1 sensor for the room + 1 sensor per seat/chair | 2.15m (7ft) to 4m (13.12ft) |
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4m x 10m (13,12 x 32,81 ft) |
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15 min | Studio |
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Utilization, Occupancy & Reservation Live Floorplans (see below) + | - possible for utilization in open spaces |
Footfall ( |
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XOVIS) | wired | none |
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2m (7ft) to |
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3.5m ( |
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11. |
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5ft) | in/out-traffic |
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=> delta / difference between Traffic IN and Traffic OUT is calculated and this delta is used as Utilization value. Utilization (as delta between Traffic IN and Traffic OUT) is calculated by Workplace. | 7m x 5.88m (22.97ft. x 19.28ft.) | 5 min | Device + Studio | In/Out Traffic, Total Traffic & Utilization Live Floorplans (see below) + | other options are more reliable (footfall method very sensitive) |
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Footfall ( |
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Pointgrab) | wired |
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https://confluence.mcs.be/display/SUM/LOGIClink+%28LOGICDATA%29+installation+guide
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none | 2.15m (7ft) to 4.5m (14.8ft) | in/out-traffic => delta / difference between Traffic IN and Traffic OUT is calculated and this delta is used as Utilization value. Utilization (as delta between Traffic IN and Traffic OUT) is calculated by Workplace. | 9.18m x 5.32m (30.11ft. x 17.45ft.) | 5 min | Pointgrab Platform + Studio | In/Out Traffic, Total Traffic & Utilization Live Floorplans (see below) + | other options are more reliable (footfall method very sensitive) |
Airthings | wireless |
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gateway | NA | estimate based on size of the room + CO2 => combination of parameters. Utilization estimate is a value provided by the sensor platform. | 50m2 (538,2 sq ft) |
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Setting up Indirect utilization (with PIR): Each SEAT needs to be a real WORKPLACE
- Make sure each meeting room seat corresponds to a workplace
- IWMS "Workplaces" objects to be created in/under the correct ROOM object, which in turn should be in the correct room category -> make sure room categories are correctly mapped in Studio
- Make sure the capacity for meeting rooms is set correctly in Studio (ref Room Capacity)
- Reminder: Workplace objects can only be linked to SVG floorplans in Studio
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Which steps do you need to take if the old config has been set up for your customer?
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*How is utilization calculated in case both a room and workplaces are linked to a PIR sensor?
- Occupancy
- Presence on room level is true in case presence is true for 1 or more seats OR if presence is true for the sensor linked to the room itself
- So if someone walks around in the room, where seat PIRs are not triggered, but room PIR is triggered -> presence = true
- Utilization
- If presence detected on seat level AND room level, headcount will only be calculated based upon sum of triggered seats. It ignores the room PIR.
- So if 2 people sit on a chair/seat triggered by workplace PIR, headcount will be 2
- If presence detected ONLY on room level and not on seats, headcount is set to minimum 1
- So if someone walks around in the room, but seats PIRs not triggered, headcount is 1
Example
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Quarter 1
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Quarter 2
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Quarter 3
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Occupancy
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Room PIR
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0
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1
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1
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Seat 1 PIR
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1
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1
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0
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Seat 2 PIR
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1
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1
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0
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Seat 3 PIR
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0
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0
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0
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Room occupancy live floorplan
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TRUE
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TRUE
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TRUE
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Room utilization live floorplan
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2
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2
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1
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Room utilization count timeslots
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2
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2
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1
Utilization & Occupancy on Live Floorplan
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15 min | Airthings + Studio |
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Utilization, Occupancy & Reservation Live Floorplans (see below) + | other options are more reliable |
Utilization & Occupancy on Live Floorplan
see also Live Data floorplan
Occupancy Live Floorplan View shows: location occupied or not (independent of how many people are in that location)
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(Direct) Utilization Live Floorplan View shows: how many people are detected in that location
also Indirect Utilization (through traffic) Live Floorplan View shows: how many people are detected in that location
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Indirect Utilization (Browan) on Live Floorplan View shows: location occupied or not.
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