MCLP – HMA Density Technician
Milestone Contractors LP, Richmond, IN, United States
Overview
The HMA Density Technician is responsible for all quality control activities related to Hot Mix Asphalt (HMA) density testing and plate sampling. This role ensures all asphalt materials meet INDOT specifications, project requirements, and Milestone quality standards. Work includes in place density testing, monitoring temperatures, plate sampling, documentation, communication with paving crews, and maintaining QC equipment. When not testing, this position performs other duties on the paving crew including shoveling, luting, flagging, dumping trucks, helping around the paver, striping, and other needs.
Essential Functions
Density Testing
Performs in place density testing using a certified density gauge
Communicates test locations based on inspector direction
Documents each test site and results
Tracks density trends and communicates results, including failing density, to the Asphalt Superintendent
Core Sampling
Cuts, collects, labels, and coordinates transportation of HMA core samples
Safely operates core drills (checks water, bit condition, proper procedures)
Removes cores carefully to avoid damage or contamination
Prepares and documents all core samples per project or lab requirements
Plate Sampling
Pulls and documents plate samples for INDOT and Milestone
Safely positions plates at inspector directed locations
Coordinates timing so plates are encapsulated without delaying production
Retrieves plates safely to ensure sample is not damaged or contaminated and inspect for defects (segregation, binder issues, uniformity)
Prepares sampling plates prior to paving operations (clean, properly sized, and ready for placement)
Coordinate transport of sample to the lab
Operates motor vehicle motor and transports materials to and from plants, labs and job sites
Visual & Temperature Monitoring
Conducts visual inspections of asphalt mat and compaction pattern
Works with roller operator to establish and adjust roller patterns
Evaluates temperature zones to ensure mix is within proper compaction ranges
Identifies surface irregularities (tenderness, cracking, cold joints, raveling, segregation) and documents issues
Documentation & Communication
Maintains detailed field notes: density test, plates, cores, temperatures, weather, observations
Provides clear communication with QC Manager, Asphalt Superintendent, and paving crew
Track density trends to identify recurring performance patterns
Collaborates with assigned work crews
Teamwork & Safety
Actively participate as a team member on the paving crew when QC tasks pause or not required
Maintains readiness to return to testing duties immediately
Promotes and maintains a safe work environment
Participates in safety huddles and demonstrates situational awareness around heavy equipment, construction traffic, and traveling public
Exhibits safe work behaviors
Additional duties and responsibilities as assigned, including but not limited to continuously growing in alignment with the Company’s core values, competencies, and skills.
Education Qualifications
Preferred High School or Equivalent
Experience Qualifications
Required 1+ years experience with HMA, roadway construction, or field QC in heavy highway industry
Skills And Abilities
Performs mathematical operations involving variables and percentages
Assesses compaction results and solves field issues quickly
Effective oral and written communication
Ability to operate density gauges, core drills, and plate sampling equipment
Strong problem solving skills with attention to detail
Ability to collaborate effectively in a team or independent work environment
Licenses and Certifications
Valid driver’s license required
Must be or become a member in good standing of the Indiana Laborers Union
Working Conditions/Physical Demands
Lifts, pushes, pulls, or carries heavy objects
Able to consistently lift 45 pounds
Walks and stands for long periods
Bends, stoops, squats, and reaches to operate testing equipment and test materials
Uses abdominal and lower back muscles to provide support over time without fatigue
Uses good manual dexterity (hand, hand with arm, two hands) and multi-limb coordination, with the ability to quickly move arms and legs
Possess excellent stamina to work between 8-12 hours per day
Works days, nights, weekends, and overtime as needed
Works outdoors in varying weather conditions
Exposure to a variety of conditions at a construction site, including heights, moving vehicles, stopped traffic
Exposure to noise, including horns, mechanical equipment, heavy equipment, and jackhammers
Exposure to moving mechanical parts, vibration, fumes and airborne particles
About Milestone Contractors
Milestone Contractors is a privately held, family-owned business headquartered in Indianapolis. Milestone Contractors is a fully integrated heavy construction company specializing in highway, bridge, asphalt and concrete paving and site development. Over its 30-year history, Milestone has built a reputation for prioritizing safety, quality, people and innovation. Milestone Contractors is a part of The Heritage Group's family of companies. Learn more at https://www.milestonelp.com/
All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.
#MilestoneContractorsLP
#J-18808-Ljbffr
The HMA Density Technician is responsible for all quality control activities related to Hot Mix Asphalt (HMA) density testing and plate sampling. This role ensures all asphalt materials meet INDOT specifications, project requirements, and Milestone quality standards. Work includes in place density testing, monitoring temperatures, plate sampling, documentation, communication with paving crews, and maintaining QC equipment. When not testing, this position performs other duties on the paving crew including shoveling, luting, flagging, dumping trucks, helping around the paver, striping, and other needs.
Essential Functions
Density Testing
Performs in place density testing using a certified density gauge
Communicates test locations based on inspector direction
Documents each test site and results
Tracks density trends and communicates results, including failing density, to the Asphalt Superintendent
Core Sampling
Cuts, collects, labels, and coordinates transportation of HMA core samples
Safely operates core drills (checks water, bit condition, proper procedures)
Removes cores carefully to avoid damage or contamination
Prepares and documents all core samples per project or lab requirements
Plate Sampling
Pulls and documents plate samples for INDOT and Milestone
Safely positions plates at inspector directed locations
Coordinates timing so plates are encapsulated without delaying production
Retrieves plates safely to ensure sample is not damaged or contaminated and inspect for defects (segregation, binder issues, uniformity)
Prepares sampling plates prior to paving operations (clean, properly sized, and ready for placement)
Coordinate transport of sample to the lab
Operates motor vehicle motor and transports materials to and from plants, labs and job sites
Visual & Temperature Monitoring
Conducts visual inspections of asphalt mat and compaction pattern
Works with roller operator to establish and adjust roller patterns
Evaluates temperature zones to ensure mix is within proper compaction ranges
Identifies surface irregularities (tenderness, cracking, cold joints, raveling, segregation) and documents issues
Documentation & Communication
Maintains detailed field notes: density test, plates, cores, temperatures, weather, observations
Provides clear communication with QC Manager, Asphalt Superintendent, and paving crew
Track density trends to identify recurring performance patterns
Collaborates with assigned work crews
Teamwork & Safety
Actively participate as a team member on the paving crew when QC tasks pause or not required
Maintains readiness to return to testing duties immediately
Promotes and maintains a safe work environment
Participates in safety huddles and demonstrates situational awareness around heavy equipment, construction traffic, and traveling public
Exhibits safe work behaviors
Additional duties and responsibilities as assigned, including but not limited to continuously growing in alignment with the Company’s core values, competencies, and skills.
Education Qualifications
Preferred High School or Equivalent
Experience Qualifications
Required 1+ years experience with HMA, roadway construction, or field QC in heavy highway industry
Skills And Abilities
Performs mathematical operations involving variables and percentages
Assesses compaction results and solves field issues quickly
Effective oral and written communication
Ability to operate density gauges, core drills, and plate sampling equipment
Strong problem solving skills with attention to detail
Ability to collaborate effectively in a team or independent work environment
Licenses and Certifications
Valid driver’s license required
Must be or become a member in good standing of the Indiana Laborers Union
Working Conditions/Physical Demands
Lifts, pushes, pulls, or carries heavy objects
Able to consistently lift 45 pounds
Walks and stands for long periods
Bends, stoops, squats, and reaches to operate testing equipment and test materials
Uses abdominal and lower back muscles to provide support over time without fatigue
Uses good manual dexterity (hand, hand with arm, two hands) and multi-limb coordination, with the ability to quickly move arms and legs
Possess excellent stamina to work between 8-12 hours per day
Works days, nights, weekends, and overtime as needed
Works outdoors in varying weather conditions
Exposure to a variety of conditions at a construction site, including heights, moving vehicles, stopped traffic
Exposure to noise, including horns, mechanical equipment, heavy equipment, and jackhammers
Exposure to moving mechanical parts, vibration, fumes and airborne particles
About Milestone Contractors
Milestone Contractors is a privately held, family-owned business headquartered in Indianapolis. Milestone Contractors is a fully integrated heavy construction company specializing in highway, bridge, asphalt and concrete paving and site development. Over its 30-year history, Milestone has built a reputation for prioritizing safety, quality, people and innovation. Milestone Contractors is a part of The Heritage Group's family of companies. Learn more at https://www.milestonelp.com/
All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.
#MilestoneContractorsLP
#J-18808-Ljbffr