Overview
Work History
Education
Skills
Timeline
Generic

Roman Chavez

Keene,CA

Overview

9
9
years of professional experience

Work History

Mix Chemist

Martin Marietta
10.2022 - Current
  • Obtain routine sampling of clinker, finish cement, kiln feed, etc and prepare for chemical and physical testing
  • Routine control of chemical and physical properties of limestone, silica and raw production.
  • Make all routine calculations of clinker and cement productions
  • Take and prepare for testing, samples of clinker from kiln, every two hours if on spec and every hour when out of specification, or more often as directed
  • Take and prepare for testing, samples of cement from finish mills, every two hours if on spec and every hour when out of specification, or more often as directed.
  • Make free lime determinations. Report immediately to Process Control Supervisor in writing.
  • According to specifications, operate the blaine test to determine fineness of cement
  • Run 325 Mesh Sieve tests for fineness on air jet and inform Process Control Supervisor of results in writing
  • Do all tests listed on Mix Chemist testing schedule.
  • Re-run any sample which gave abnormal or unexpected results
  • Ensure all values for tests run are correct then record all results of various tests made in LDMS and EXCEL spreadsheets.

Dust Collector

Martin Marietta
05.2022 - 10.2022
  • Maintain, repair, fabricate, troubleshoot, install and replace all mechanical components required for efficient and safe operation of all dust collectors.
  • Perform mechanical field inspections. including diagnostics and calibrations, throughout the plant dust collector systems and perform actions required by the maintenance engineer.
  • Ability to read understand and apply all schematics, drawings, technical publications, logic required or related to the job.
  • Perform all technical aspects of the job by using all tools or systems required to perform work.
  • Perform weekly inspections on all dust collectors throughout the plant and quarry and be able to resolve any issue.

Fuel Handler

Lehigh Hanson
04.2021 - 05.2022
  • Perform daily equipment safety checks and reports as required per MSHA regulations.
  • Perform daily equipment safety checks and reports as required per MSHA regulations.
  • CHeck safety berms, banks & highwalls visually for safe operation of equipment and personnel during shift activities.
  • Understand cement process: including placement of correct "fuel" in correct silo, bin and/or hopper.
  • Qualified to operate heavy equipment, including wheel loaders, plant water truck, 770 haul truck, 992 loader, man lift, extended forklifts, and track mobiles.
  • Operate equipment and processes as directed by the yard/shipping supervisor or in their absence the process control supervisor
  • Understanding Operation of conveying equipment and associated systems ( belt conveyor. pan conveyors, drag chains, screw conveyors, tipping valves, rotary airlocks, gates, chutes, transfer points)
  • Operate, repair, clean, adjust equipment
  • Make minor equipment repairs and adjustments
  • Perform housekeeping in order to maintain clean and safe equipment for next shift use.
  • Attend all assigned meetings

Plant Laborer

Lehigh Hanson
12.2019 - 04.2021
  • Improved plant efficiency by maintaining cleanliness and organization of the work area.
  • Assisted in the assembly process for increased productivity and timely completion of projects.
  • Streamlined workflows with effective communication and teamwork among colleagues.
  • Use of hand tools such as, jackhammers, shovels, brooms, air chisels, to clean up debris around the plant.
  • Reduced downtime by promptly addressing equipment malfunctions and reporting issues to supervisor.
  • Operated equipment such as skid steers, forklifts, man lifts, reach all forklifts and guzzler super suckers to move material or items.
  • Ensure proper storage of labor crew equipment.
  • Performed a pre-inspection on all operated equipment before operating on each use.
  • Worked flexible hours across night, weekend and holiday shifts.
  • Perform workplace inspections to ensure MSHA standards were met.

Type II Wildland Firefighter

U.S. Department Of Agriculture Forest Service
01.2016 - 12.2016
  • Enhanced wildfire containment by coordinating and executing strategic fireline construction.
  • Reduced wildfire damage to property by employing effective structure protection measures.
  • Contributed to successful firefighting operations by maintaining optimal physical fitness and mental preparedness.
  • Supported incident management teams with accurate mapping, GPS tracking, and real-time information sharing.
  • Boosted situational awareness among firefighters through consistent monitoring of weather conditions and fire behavior patterns.
  • Upheld high standards of professionalism while interacting with the public during prescribed burns or emergency situations.
  • Cut and cleared brush and dug trenches to create fire lines using axes, chainsaws or shovels.
  • Patrolled burnt areas after fires to locate and eliminate hot spots that could flare or rekindle.
  • Established water supplies, connected hoses and directed water onto fires.
  • Evaluated areas after containing fires to identify and suppress hot spots.
  • Assisted with regular maintenance of firefighting equipment.
  • Operated hoses, pumps, ladders and other firefighting equipment.

Conservation & Recycling Supervisor

F.I.E.L.D
08.2015 - 09.2019
  • Enhanced habitat restoration efforts by removing invasive species and planting native vegetation.
  • Improved trail accessibility for park visitors by constructing and maintaining trails, bridges, and other infrastructure.
  • Increased ecosystem health by conducting regular monitoring of plant and animal populations.
  • Reduced wildfire risk with strategic fuel reduction projects, including controlled burns and mechanical thinning.
  • Contributed to long-term conservation goals by participating in research projects and data collection initiatives.
  • Used hand saws and power equipment to remove unwanted and diseased trees.
  • Supported fire prevention and suppression goals by building fire breaks and eliminating hazardous brush.
  • Reduced waste generation through comprehensive waste audits and targeted reduction strategies.
  • Established partnerships with local businesses for increased recycling opportunities and sustainable practices.
  • Coordinated special events such as clean-up drives or environmental fairs to promote awareness of recycling initiatives.
  • Trained employees on proper handling of recyclable materials, ensuring high-quality processing outcomes.
  • Oversaw the establishment of collection points throughout the community for convenient access to recycling services by businesses.

Education

High School Diploma -

Mojave River Acadamey
Tehachapi, CA
05.2012

Skills

  • Vehicle Inspection
  • PPE use
  • Problem solving
  • Task Prioritization
  • Computer Skills
  • MSHA trained
  • Lab equipment maintenance
  • Recordkeeping requirements
  • Staff Development

Timeline

Mix Chemist

Martin Marietta
10.2022 - Current

Dust Collector

Martin Marietta
05.2022 - 10.2022

Fuel Handler

Lehigh Hanson
04.2021 - 05.2022

Plant Laborer

Lehigh Hanson
12.2019 - 04.2021

Type II Wildland Firefighter

U.S. Department Of Agriculture Forest Service
01.2016 - 12.2016

Conservation & Recycling Supervisor

F.I.E.L.D
08.2015 - 09.2019

High School Diploma -

Mojave River Acadamey

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