Anchoring shed to paving slabs

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I am building a plastic shed on top of concrete council slabs and I need to anchor it to the ground. It has anchor points along the floor where you are supposed to drill.

I'm thinking of getting some shield anchors for this job, probably these: https://www.screwfix.com/p/easyfix-shield-anchors-m6-x-70mm-5-pack/4516g

Does that sound like a good idea to you guys?

Is there a risk that I'll split the slabs with these? I would need to drill quite close to the edge of the slabs (10-15cm).

Anything else I should consider? I heard of people just using a standard 7mm rawl plug with a smaller bolt but I figured I might as well invest the 3 quid to do it properly.
 
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That's what I was planning to do as a stopgap! You think it's not worth bothering with the anchors?
 
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I am building a plastic shed on top of concrete council slabs and I need to anchor it to the ground. It has anchor points along the floor where you are supposed to drill.

I'm thinking of getting some shield anchors for this job, probably these: https://www.screwfix.com/p/easyfix-shield-anchors-m6-x-70mm-5-pack/4516g

Does that sound like a good idea to you guys?

Is there a risk that I'll split the slabs with these? I would need to drill quite close to the edge of the slabs (10-15cm).

Anything else I should consider? I heard of people just using a standard 7mm rawl plug with a smaller bolt but I figured I might as well invest the 3 quid to do it properly.
On my old allotment plot, I inherited a 7x4 tin shed with sliding doors. It had no floor and according to others over the site, it kept blowing over in the wind. It was placed on top of council paving stones and to stop it blowing over, it was fixed down with just screws and rawl plugs. Plenty good enough.

D657F79F-EBB7-417E-8116-57343E0835BB.jpeg
 
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10-15cm from the edge is 4"-6" away. Quite safe to drill at that distance for 6mm anchors. (Unless you meant 10-15mm and not cm).
 
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