Large Concrete Pours, lorry pump.
Simple Rule Of Thumb, concretors 0.5 - 1.0 hrs/m3 of concrete, depending on access, pour size and concrete availability.
Base Slabs etc, 1,200m3 equalling 25 - 35m3/hr per pump, with 3 No pumps and 12 men for 2 shifts of 12 hrs.