How to dump into a pump

First things first you will need to communicate with the owner of the construction company. See how he wants it the answer sold be no less then a five slump this will just make it through must pumps. Talk with pump operator see what he need to do and let them both come to a reasonable slump and then you mix based on that. Prime Chute with water pull up to pump with someone guiding in don't hit the pump this with spark big problems in your life.

If you are the first truck start to dump slow so the cement can go through that pump with ease. after you get it going you can speed up. always watch the hopper don't over fill it by spilling on to the street.

Always sound horn as you run out but make sure you leave the hopper full at the pump stop there it' a little math not very hard.

Find out where you will wash out and leave no mess if you can.

Slump gage may not work on hill

It seems to me that the slump gage may not work well on a hill it will either make you mix to tight when the gage reads loose or even worst to wet when the gage reads tight.
This is an easy fix just mix on flat surfaces and this problem will not exist.


More on slumps and gages latter in video format. aka water level in cement

learning to mix a truck load of cement lesson one

Lesson one OK how mix the load all depends on these factors that follow.

1)Out side temp at the plant when loading the reason for this you can have the plant give you extra water before you leave. So you can make sure you don't blow through Your water tank from mixing. Keep in mind that You will need to clean the truck inside and out with the water so use it wisely.

2) Once on the job you will get out of the truck see where and when You will be able to dump. Then talk with The G C about the slump. Slump is the amount of wetness the cement will be poured at. usually you leave the plant with a 4.5 slump 10 being the wettest

& three being the tightest. every contractor is different so know your slumps. we will add to this latter on how to listen to the load mix and watch the slump gage so if the gage is ever broke you ears can take over.