Concrete Slab Pour

This is perhaps the most complex and expense part of the ADU construction. The concrete truck, pump and expertise was arranged by my builder Josh O’Duin.

The concrete truck was the type that customizes the mix on-site, It’s loaded with sand, gravel, cement, water, and additives and the operator selects the mix from a control panel. This reduces the risk of underestimating the quantity needed and eliminates wastage. It also means the builder can request changes to the mixture right up until the pour.

So my mix was 8.45 yards of 4000 PSI mix.

Here’s a video of the pour. It went smoothly although it meant a long day for Josh O’Duin. It was cool (actually great concreting weather) which meant it took a while to setup up enough that he was able to get on knee-boards and smooth the slab.

By the end of the day it was one fine, super-smooth slab of concrete.

Published by

Bill Dickens

I grew up on a hill country farm in New Zealand, then lived and worked in Hong Kong. I moved to Portland, Oregon in 2009. I'm presently renovating my 1929 "English Cottage" house in the Irvington Historic District.

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