Location:

Western CO, Eastern Utah General Purpose of Position:

An injection bar driller helper assists in the installation of hollow-core, self-drilling anchor bars—often called injection bars—which act as both the drill string and the final grouted reinforcement in unstable soils. Their primary role is to manage the continuous supply of grout, handle the threaded bars, and maintain the drilling equipment to ensure a seamless "drill-and-fill" operation.

Supervision Received:

moderate

Supervision Exercised:

minimal

Essential Position Functions and Responsibilities:

1. A helper's duties revolve around supporting the lead driller during the single-step installation and grouting process.

Core Responsibilities Grout Management:

Mixing cement grout and operating grout plants or pumps. They ensure the grout is injected through the hollow core of the bar at the correct pressure to stabilize the borehole.

Bar and Bit Handling:

Preparing and connecting sections of threaded hollow bars, such as the Williams Geo-Drill Hollow Injection Bar or Magnacore Self-Drilling Micropiles. This includes attaching sacrificial drill bits that remain in the ground.

Equipment Setup and Maintenance:

Assisting in the mobilization and demobilization of drill rigs, cleaning the site, and performing daily pre-operational inspections on pumps and hoses.

Site Safety:

Participating in daily safety briefings and ensuring all crew members follow PPE and

MSHA/OSHA

guidelines, especially when working around high-pressure injection lines. Common Equipment Used Helpers must be familiar with specialized tools designed for injection drilling:

Hollow Injection Bars:

Continuously threaded steel tubes (e.g., R32, T40, or T76 thread profiles) that serve as the anchor.

Grout Pumps and Mixers:

Machines like the PBM Injection Machine which use vertical shaft agitation to keep grout materials mixed for continuous delivery.

Installation Accessories:

Including high-strength couplers, bearing plates, and hex nuts used to tension and secure the bars.

Drill Rigs:

Typically top hammer or compact hollow bar drilling heads that can be used in limited-space environments like tunnels.

General Job Duties:

1. Assist in the setup, operation, and tear down of drilling machine. 2. Manually handle heavy drill rods continuously throughout the workday. 3. Use machinery to move materials around job site. pd mcsi driller p.2 rev.021826 printed 2/19/26 4. Use hand tools and machinery to clean-up and remove grout and drill spoils. 5. Replaces broken or worn parts, using hand tools. 6. Lubricates and cleans equipment. 7. Keep grout lines and water hoses clear of machine treads or tires. 8. Observes ground surface and machine operation for indications of unsafe conditions. 9. Assist driller with recording information for Drill logs. 10. Follow the drillers' lead to complete tasks efficiently and safely. 11. Use hand tools and cut off saws to cut bar and install hardware. 12. Traveling out of town or out of state with short or long-term stays.

Position Requirements:

1.

Minimum Education and Experience:

Basic knowledge of pneumatic or hydraulic tools and the ability to troubleshoot simple equipment failures. 2. Minimum Required Skills, Ability, Licensing, Certification, Training, etc.: A valid driver's license. Good public relations skills, and ability to represent MCSI in positive manner. 3. Tools, Equipment, or Machines Required to

Operate:

Assist with drills. 4.

Physical Requirements:

a.

General:

walk, stand, sit, type, use hands to finger, handle or feel objects or tools, reach with hands and arms, talk, listen, hear, read, see, lift, bend, climb in/out of equipment. b.

Lifting:

50 to 100 pounds at one time, frequently. c. Exposure to

Elements:

Outside elements i.e. sun, wind, dust, rain, mud, snow, ice, cold, heat, noise d.

Handling of Dangerous Equipment:

grinders, saws, heavy tools, heavy equipment, vehicles. e.

Scheduled Work Hours:

6am - 6pm depending on time of year and job-site restrictions., ½ hours for lunch, 10-minute break morning and afternoon, unless otherwise specified. Some Saturday and overtime work may be required.

Judgment/Decision Making:

occasional

Supervision:

1.

Position Receives Direction From:

Superintendent, project foreman, and driller operator. Other supervision may be received. 2.

Position Directs:

None

ALL EMPLOYMENT IS AT-WILL, MEANING THAT EITHER THE EMPLOYEE OR EMPLOYER MAY TERMINATE THE EMPLOYMENT RELATIONSHIP AT ANYTIME WITH OR WITHOUT CAUSE OR PRIOR NOTICE.

Job Type:

Full-time Pay:

$21.00 - $29.00 per hour

Benefits:

401(k) Dental insurance Employee assistance program Flexible spending account Health insurance Life insurance Paid time off Vision insurance

Work Location:

In person