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SPAN 500 BRIDGED TOWER
6. Install trapdoor platform on the 4
th
rung.
Trapdoor platform must be installed so the
trapdoor opens to the outside of the structure.
Note:
Apply wind lock when platform is installed as shown.
7. Using the 3T method, install the horizontal braces on the 5
th
and 6
th
rung on both sides of the
platform. Install braces on the horizontal rungs.
Do not stand on the platform until all guardrails are installed.
Содержание BS 1139-6
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Страница 23: ...Page 23 of 38 SPAN 500 BRIDGED TOWER 29 Install toe boards as shown 30 Install knee braces as shown...
Страница 32: ...Page 32 of 38 SPAN 500 BRIDGED TOWER 18 Install toe boards as shown 19 Install knee braces as shown...
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