To Pump Concrete into a Hollow Block Wall, you have to Order concrete from a local concrete company. You need to specify a “pumpable” mix when ordering. Besides, specify whether you will need a pump truck or whether you will be supplying your own pump. You must Schedule a pump delivery for a few hours before the concrete is to arrive if you are renting so that the pump is ready once the concrete arrives. After that, run the pump hose from the pump to the block wall.
You should choose a path free of rocks, debris, lumber, vehicles and other equipment to prevent blockages and make the job go more smoothly. You can Station a worker at the pump in order to turn it on and off on your signal. Then, Hold the end of the hose pointed downward over the hole atop the end of the wall. You have to Signal to start the concrete pump. Next, hold the hose firmly in place until you see the concrete nearing the top of the hole.
You need to Signal to stop the pump. You must Move to the next hole and repeat it until all the holes are filled.