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

https://iris-wiki.win/index.php/Portable_Concrete_Washout_Systems:_Benefits,_Costs,_and_ROI

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.