The equipment utilized by ACT is second to none in the grouting industry. As a result of the specialized nature of our business, we routinely innovate and customize our equipment to facilitate our needs, as well as the needs of our customers. We have a complete line of computer monitoring, grouting batching, and drilling equipment to suit almost any site conditions we encounter.
There are three basic methods available for drilling grout holes: rotary drilling systems, percussion drilling systems utilizing a top hole hammer, and DTH systems. Within each basic method available, there are multiple variations that can be used. All have been used for drilling grout holes at one time or another.
The issue of injecting water, even in minimal amounts, during embankment drilling is a major consideration. The contract documents require that drilling through the embankment must meet the requirements of ER 1110-2-1807, with the stipulation that the rotary-sonic method, using minimal or no water, is considered to satisfy this requirement.