Georgina Molloy
Active member
Hi All,
When you are designing a scaffold and you will tie into reinforced concrete slab edges/RC walls do you specify that the scaffolder should do 5 preliminary pull tests (TG4:17) so that you can check the specified anchor is ok in that base material.
(Then proof tests would be specified after you have confirmed that this tie can be used).
Or do you only specify preliminary pull tests when you are tying into a base material that has unknown capacity such as old masonry where the tie manufacturer cannot give allowable loads due to unknown nature of base material?
I have the manufacturer's allowable loading for the particular tie into concrete and my applied wind load is 86% of the allowable.
Thanks.
When you are designing a scaffold and you will tie into reinforced concrete slab edges/RC walls do you specify that the scaffolder should do 5 preliminary pull tests (TG4:17) so that you can check the specified anchor is ok in that base material.
(Then proof tests would be specified after you have confirmed that this tie can be used).
Or do you only specify preliminary pull tests when you are tying into a base material that has unknown capacity such as old masonry where the tie manufacturer cannot give allowable loads due to unknown nature of base material?
I have the manufacturer's allowable loading for the particular tie into concrete and my applied wind load is 86% of the allowable.
Thanks.