The wooden "skeleton" had to be rigid. One loose bolt could cause a blowout, wasting thousands of dollars in wet mix.
He reminded his foreman that the concrete shouldn't be dropped from a height of more than 1 to 6 meters depending on the structure, to prevent the mix from separating. snip betonnye raboty skachat
To ensure everything was perfect, he opened his laptop to download the latest SP 435.1325800.2018 , the updated standard for concrete works. As he scanned the PDF, he refreshed himself on the critical stages of the process: The wooden "skeleton" had to be rigid