Minnich Introduces Concrete Barrier Wall Drill
Air-driven and self-propelled, the Minnich concrete barrier wall drill straddles and rides along the top of the temporary wall. A tethered controller enables the operator to simultaneously drill 3 accurate, consistent pin holes – through pre-molded holes in the wall, through the road, into the sub-base – while positioned on the non-traffic side of the barrier.
“We’re excited to introduce the Minnich concrete barrier wall drill — especially with U.S. states moving toward requiring temporary barriers to be pinned,” said Todd Jurjevic, director of sales at Minnich Manufacturing. “The new drill saves contractors significant time and cost and promotes safety by eliminating the need to hand-drill pin holes on the traffic side of the barrier.”
Now a standard Minnich product offering, the Minnich concrete barrier wall drill previously proved its speed, power, accuracy and consistency as a special-application drill.
On one Illinois highway construction project, McCarthy Improvement of Davenport, Iowa, realized a 35% time savings, nearly 20% labor and equipment cost savings and approximately 30% bit cost savings with a custom Minnich concrete barrier wall drill compared to a 3-person crew using high-powered rotary hand drills. McCarthy Improvement also reported that the accuracy and consistency of the holes drilled by the Minnich concrete barrier wall drill made pin removal significantly easier. Hand drilling can result in inconsistent holes with varying angles, making pin removal a challenge.
The drill keeps workers from the rigors of manual drilling and allows them to drill pin holes on the non-traffic side of the barrier wall, away from live traffic. Additionally, the tethered controller removes the operator from excess debris and dust.
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