Rationale of the research2 - IOSH · Decking with rebar 926 Ascent/descent speeds for ladders 59...
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Decking with rebar 926 Ascent/descent speeds for ladders 59 152 Participants in walking experiments Measurement of ascent/descent speeds on two different types of temporary stairs Measurement of interpersonal distances on temporary stairs 275 R e s p o n s e t i m e s m e a s u r e d 13 Core levels 0 Completed floors 46 Workers 100 BG* 38 Core levels 33 Completed floors 308 Workers 22 BG* 33 Core levels 20 Completed floors 388 Workers 22 BG* Total evacuation time: 12m 46s Trial 1: February 2017 19 Core levels 12 Completed floors 184 Workers 100 BG* Total evacuation time: 9m 14s Trial 2: February 2017 Total evacuation time: 18m 18s Trial 3: October 2017 Total evacuation time: 20m 47s Trial 4: December 2017 545 Walking speeds measured over four different surfaces Concrete Along decking 2200 Datapoints 1900 Unique simulations * BG = 22 and 100 Bishopsgate Multiplex project in London Rationale of the research www.iosh.com/constructionevacuation Across decking
Transcript of Rationale of the research2 - IOSH · Decking with rebar 926 Ascent/descent speeds for ladders 59...
Decking with rebar
926
Ascent/descent speeds for ladders
59
152Participants
in walking experiments
Measurement of ascent/descent speeds on two different types of temporary stairs
Measurement of interpersonal distances
on temporary stairs
275Response times measure
d
13Core
levels
0Completed
floors
46Workers
100 BG*
38Core
levels
33Completed
floors
308Workers
22 BG*
33Core
levels
20Completed
floors
388Workers
22 BG*
Total evacuation time: 12m 46s
Trial 1: February 2017
19Core
levels
12Completed
floors
184Workers
100 BG*
Total evacuation time: 9m 14s
Trial 2: February 2017
Total evacuation time: 18m 18s
Trial 3: October 2017
Total evacuation time: 20m 47s
Trial 4: December 2017
545Walking speeds
measured over four different surfaces
Concrete
Along decking
2200
Datapoints 1900 Unique
simulations
* BG = 22 and 100 Bishopsgate Multiplex project in London
Rationale of the research
www.iosh.com/constructionevacuation
Across decking
