حديث سلامة عن Structural collapse

ما هو

Walls, frames, floors, ceilings, shafts, platforms or temporary works that give way or move unexpectedly during construction, demolition or alteration.

إجراءات التحكم التي يجب التحقق منها، من الأكثر فعالية إلى الأقل

1. Have an engineer assess the structure and the work sequence before demolition or alteration, and follow their written method.
2. Design and install temporary works, such as props, bracing, shoring and formwork, to the engineer's plan and have them checked before anyone works near them.
3. Do not remove, move or alter props, braces or load-bearing elements without engineering approval, and tag temporary works so tampering is obvious.
4. Set exclusion zones around structures at risk of collapse, and keep people and plant out of the fall zone.
5. Inspect structures and temporary works at the start of each shift and after wind, rain, impact or vibration, and stop work if anything has moved or cracked.
6. Limit loads on floors, roofs and platforms to their rated capacity, and keep stored materials and plant away from unsupported edges and walls.

أسئلة للطاقم

1. أين يمكن أن يظهر خطر structural collapse في هذه المهمة اليوم؟
2. إجراء التحكم الأكثر فعالية هو: «Have an engineer assess the structure and the work sequence before demolition or alteration, and follow their written method». هل يمكننا تطبيقه هنا؟ وإن لم يكن، فلماذا؟
3. ما إجراءات التحكم في structural collapse الناقصة أو غير الفعّالة في هذا الموقع؟
4. متى توقف العمل بسبب structural collapse، ومن تُبلغ؟
5. كيف نبلّغ عن خطر أو حادث وشيك أو حادث في هذه المهمة؟