Blaster

Job

Mulzer Crushed Stone, Inc., a CRH Company, is the foremost supplier of crushed stone, sand, gravel, scrubber stone, rip-rap, and ag-lime in the Ohio River Valley. With seven quarries, twenty retail locations, and four sand and gravel plants, Mulzer Crushed Stone, Inc. has supplied aggregate to area construction projects, large and small, since 1935. The company is the Tri‑State’s established leader in delivering superior quality products that provide exceptional value to those we serve.

As part of the CRH Americas family, Mulzer collaborates with hundreds of family businesses, regional companies, and mid‑ to large‑sized enterprises that together form CRH Americas, the number one asphalt producer, third‑largest aggregates producer, and one of the top five ready‑mixed concrete producers in the United States.

Assembles, plants, and detonates charges of industrial explosives to loosen earth and rock to facilitate removal by performing the following duties.

• Performs pre‑shift inspection
• Designs shots with the proper delays (electric, nonelectric); must know depth and spacing of individual benches
• Maintains records of all inventories (cast booster, detonators, nitrates, emulsions, etc.)
• Calculates scale distance, lbs/delay, power factors
• Knows how to deck a shot and how to load a presplit
• Makes sure the explosive truck is in good working order, including cleaning out augers if necessary
• Greases all bearings in augers
• Operates the sequential board
• Posts blast site while shot is being loaded and attends site until shot is fired
• Drives explosive truck in a safe manner
• Never works with back to highwall and remains a safe distance from highwall
• Monitors weather changes that could affect blasting (thunderstorms, high winds)
• Follows all MSHA and Mulzer rules

Oversees the blasting process and the activities of the blaster helpers.

To perform his job successfully, an individual must be able to perform each essential duty satisfactorily. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

Associates degree (A.A.) or equivalent from a two‑year college or technical school; or six months to one year related experience and/or training; or an equivalent combination of education and experience.

Ability to reach and interpret documents such as safety rules, operating and maintenance instructions, and procedure manuals. Ability to write routine reports and correspondence. Ability to speak effectively before groups of employees of the organization.

Ability to add, subtract, multiply, and divide in all units of measure, using whole numbers, common fractions, and decimals. Ability to compute rate, ratio, and percent and to draw and interpret bar graphs.

Ability to solve practical problems and deal with a variety of variables in situations where only limited standardization exists. Ability to interpret a variety of instructions furnished in written, oral, diagram, or schedule form.

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. While performing the duties of this job, the employee is regularly required to reach with hands and arms; use hands to finger, handle or feel;

talk or hear; sit; stand; walk; climb or balance; stoop; kneel; crouch or crawl. The employee must regularly lift and/or move up to 25 pounds, frequently lift and / or move up to 50 pounds. Specific vision abilities required by this job include close vision, distance vision, color vision, peripheral vision, depth perceptions, and ability to adjust focus.

The work environment characters described here are representative of those an employee encounters while performing the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the…