ZEMCH 2019 International Conference Proceedings April.2020 | Page 264
Insufficie
nt
moving
space 1 1 2
Insufficient Insufficie
workplace
nt
workplac
e for unit
installati
on 4 4
Unstable
floor 2 2 4
Unstable
2
support 3
2 2
1 1 1 2 1 1 7
Unstable
unit
1
structure 1 2 2 4 1 11
5 ‐ 1 3 1 3 ‐ 5 16 8 ‐ 1 45
Unpredic
table
weather 1 1
Poor
Poor
housekeepin housekee
ping
g 1 1
Subtotal 0 ‐ ‐ ‐ ‐ ‐ ‐ ‐ ‐ 1 1 ‐ ‐ 2
8 3 1 5 5 3 1 5 6 43 16 5 6 107
Unstable
Unstable
work
crane
areas/platfor
Unstable
ms
ladder
Subtotal
Unpredictabl
e weather
Workp
lace
Total
253
1
1
ZEMCH 2019 International Conference l Seoul, Korea