I would ask the supplier, but if it's supposed to be self-consolidating I can imagine it flowing right under the shuttering.
Why do you want SCC anyway? I had a company which mixed there and then and for an extra few quid they barrowed it all through and levelled it at two levels.
I want scc as I have easy access to one end of the trench.
It'll be around 20m3 of concrete so barrowing is not an option and I was trying to do away with the cost of a pump.
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