slurry

Methods for Proper Handling and Cleaning of Concrete Slurry

August 14, 2017

Concrete slurry covers the ground during the construction of some remote structural project. Left like this, the gritty concrete muck is a hazard to the local environment. Construction pros know this old enemy, know how to clean the man-made residue. It all starts with a collection management strategy, a proper handling and cleaning program that absolutely erases the presence of this highly alkaline construction industry by-product.

Building a Proper Handling Strategy

Again, and this fact is always worth repeating, the concrete slurry can't be washed down the local drains. This approach is prohibited, mostly because the material is corrosive. Also, as common sense informs us, the slurry will block the drainage system. And, if it does pass through those drains, the alkaline stuff will damage the ecosystem. Knowing all of this, a procedural collection system is the only realistic option. First of all, sandbags or some other perimeter blockage framework has to confine the building material. Then, when the slurry is penned, the collection equipment enters the site. Typically, we're referring to vacuum collection gear, an array of machines that are designed to collect the sludgy waste.

Vacuum Powered Slurry Removal

In theory, and this fact may not apply to every nation, the concrete slurry can be pH tested Once its corrosive characteristics are evaluated, a near chemically neutral mass of construction residue can be spread on the ground. Meanwhile, the really corrosive stuff is sucked up and stored. But what if the low pH aggregate spread still finds its way into a waterway? Obviously, then, there are many factors to weigh when this strategy is established. Regardless of the alkalinity of the powdery residue, a storage-biased methodology isolates the material. The vacuum equipment employs a natural gravitation mechanism, plus an optional filter press as a material separation device, something that removes the water from the particulate mass. Other vacuum equipment methods use centrifugal force and drum separators to get the job done, but the main point here is that the concrete slurry is mechanically removed, stored in drums, and the cleaning operation is considered complete.

Unlike the removal of site rubbish and area debris, the methods for proper handling and cleaning of concrete slurry adopt a more orderly approach. That's because this is a potentially caustic substance, a residue that has the power to damage the environment. Therefore, the drainage system must be protected, the vacuum equipment must work properly, and that storage strategy must be systematically regulated. In theory, the leftovers can be acid-balanced so that the chemical pH value approaches normal, but a storage strategy, one that uses sealed drums, lined dumpsters, or sediment tanks, is the preferred solution.

Apex Vacuum Gutter Cleaning
Diamond Creek, Victoria, 3089

Alasdair Collis
Ph: 0410 614 924
Fax: 03 9438 2743

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