When saw-cutting or coring hardened concrete, collect slurry with wet vacs and route to the washout for settling

https://blast-wiki.win/index.php/Stormwater_Protection_and_Concrete_Washout:_What_You_Need_to_Know

When saw-cutting or coring hardened concrete, collect slurry with wet vacs and route to the washout for settling, avoiding streaks on pavement and protecting stormwater quality.