Download - Rationale of the research2 - IOSH · Decking with rebar 926 Ascent/descent speeds for ladders 59 152 Participants in walking experiments Measurement of ascent/descent speeds on two

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Page 1: Rationale of the research2 - IOSH · Decking with rebar 926 Ascent/descent speeds for ladders 59 152 Participants in walking experiments Measurement of ascent/descent speeds on two

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