Summary
Overview
Work History
Education
Skills
Certification
Timeline
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Ekkaluk Srigate

Ekkaluk Srigate

Professional Mining Engineer & Operations Executive
Bangkok

Summary

Experienced Mining Engineer and Operations Executive with over 16 years of expertise in quarry operations, crushing plant optimization, strategic mine planning, and operational leadership. Proven ability to enhance production efficiency, manage investment feasibility studies, and implement innovative technologies including UAV-based surveying systems and real-time IoT monitoring solutions. Certified Professional Mining Engineer and UAV pilot, skilled in explosives handling, ISO system implementation, and process optimization compliant with ASTM standards.

Overview

19
19
years of professional experience
4
4
Certifications

Work History

Assistant Vice President of Operations

Stone One Public Company Limited
01.2020 - Current

Responsibilities

  • Conduct business performance analysis and directly report to senior executives.
  • Align production objectives with financial strategies.
  • Support investment planning and project approval processes.
  • Implement executive directives by formalizing SOPs for aggregate production.
  • Develop high-performing operations teams through coaching and performance evaluation.
  • Conduct financial and technical assessments to support investment decisions.
  • Introduce innovative technologies to enhance production efficiency.

Key Achievements

  • Managed operations achieving average OEE of 82%.
  • Reduced onboarding time by 50% through staff training initiatives.
  • Implemented a dolomite production project, increasing revenue by 30%.
  • Developed an IoT-based OEE monitoring dashboard enabling real-time efficiency tracking.
  • Secured new limestone reserves supporting long-term aggregate supply.
  • Designed a new quarry crushing plant process optimizing capacity and operational cost.
  • Integrated UAV-based surveying for stockpile management and mine planning.
  • Actively involved in the task force for MAI listing preparation.

Quarry Manager

Stone One Company Limited
12.2012 - 01.2020

Responsibilities:

  • Prepare production plans and annual budgets to ensure effective cost control.
  • Justify investment and operational proposals to executive-level management.
  • Analyze and monitor production performance based on defined KPIs.
  • Lead quarry operations team and employee performance management.
  • Coordinate with Environmental Health, Safety, to implement safety policies.
  • Create and document integrated standard operating procedures in accordance with ISO 9001 (Quality), ISO 14001 (Environmental), and ISO 45001 (Occupational Health and Safety), and prepare all required documentation for integrated management system (IMS) certification.Ensure compliance with safety and environmental regulations.
  • Control and monitor the use of explosives and blasting operations to ensure safety and compliance.

Key Achievements:

  • Achieved 81% Overall Equipment Effectiveness (OEE) in granite quarry operations.
  • Optimized production processes to increase aggregate output by 60%.
  • Successfully attained ISO 9001, ISO 14001, and ISO 45001 certifications for quarry operations.
  • Improved production processes to supply raw materials for the construction of FIA Grade 1 racing tracks in Thailand.

Crushing Plant Section Manager

Siamstone Aggregate Co. Ltd.
10.2011 - 12.2012

Responsibilities:

  • Manage production scheduling and monitor operational KPIs such as %Yield and %Productive Availability.
  • Prepare annual budgets and execute maintenance programs.
  • Plan preventive maintenance schedules for quarry and crushing equipment
  • Controlled aggregate production quality to meet ASTM C33 specification requirements.
  • Explored the use of quarry by product (dust) for manufacturing sand as an eco-friendly alternative to natural sand.

Key Achievements:

  • Improved production efficiency through effective scheduling and monitoring, achieving high %Yield and %Productive Availability across operations.
  • Successfully produced manufactured sand (M-sand) from quarry dust, achieving 60% replacement of natural sand in concrete mix applications.
  • Ensured consistent aggregate quality that met ASTM C33 standards, supporting customer satisfaction and compliance.

Business Development Section Manager

Siamstone Aggregate Co. Ltd.
12.2010 - 10.2011

Responsibilities:

  • Conducted feasibility studies and business planning for new quarry investment.
  • Provided engineering improvements that optimized production cost and quality.
  • Coordinated between departments to align technical and commercial goals.

Key Achievements:

  • Successfully identified and secured a new granite deposit in Chonburi Province as part of a quarry investment initiative, following comprehensive feasibility studies and business planning.

Deputy Plant Manager

Trung UC Co. Ltd.
01.2010 - 11.2010

Responsibilities:

  • Developed a detailed monthly mine plan to ensure adequate supply of raw materials to the crushing plant based on production forecasts and stockpile analysis
  • Prepare project improvement budgets and schedules to upgrade crushing capacity, ensuring that projects are completed on time and within budget
  • Ensured consistent aggregate quality that met ASTM C33 standards, supporting customer satisfaction and compliance.
  • Designed and applied mining techniques focused on maximizing operational efficiency while maintaining strict safety standards.

Key Achievements:

  • Developed pit production benches and implemented groundwater control measures to ensure uninterrupted supply of material to the crushing plant.
  • Successfully upgraded the crushing plant to achieve a capacity of 300 tons per hour and improved product yield to 60%.

Mining Engineer

Uawithya Machinery Co. Ltd.
04.2009 - 12.2009

Responsibilities:

  • Responsible for sales of quarry equipment to industrial customers.
  • Ensured all customer processes performed to the client’s satisfaction in terms of both quality and operational efficiency
  • Provided training and technical advice to customers on mining explosives, operations, and other mining-related issues to ensure smooth and safe operations.
  • Responsible for all technical communications between the company and its clients

Key Achievements:

  • Advised quarry clients on blasting techniques and equipment configurations.
  • Provided technical support for the introduction of new crushing technologies.
  • Monitored client operations to ensure safety and compliance.

Planning and Process Engineer

Sibelco Minerals (Thailand) Co. Ltd.
09.2006 - 04.2009

Responsibilities:

  • Prepare monthly and daily production plan and operation work schedule
  • Ensure availability of production material and propose purchase requisition.
  • Supervise the Production Plan to fulfill sale targets and forecast.
  • Provide process engineering support to manufacturing improvement activities In quality and cost by using the most effective technological method
  • Support special improvement projects as sign by management
  • Implement and monitor ERP system and individual target work result Coordinate among internal and external parties.

Key Achievements:

  • Initiated and implemented a fill-up process improvement project that successfully reduced slurry filling time in the fillter press by 50%
  • Successfully implemented an ERP system for production planning
  • Completed special improvement projects assigned by management, including layout redesign and process streamlining initiatives.

Education

Bachelor’s Degree - Mining Engineering

Print of Songkla University

Skills

Certification

Licensed Professional Engineer, Mining Engineering

Timeline

Assistant Vice President of Operations

Stone One Public Company Limited
01.2020 - Current

Quarry Manager

Stone One Company Limited
12.2012 - 01.2020

Crushing Plant Section Manager

Siamstone Aggregate Co. Ltd.
10.2011 - 12.2012

Business Development Section Manager

Siamstone Aggregate Co. Ltd.
12.2010 - 10.2011

Deputy Plant Manager

Trung UC Co. Ltd.
01.2010 - 11.2010

Mining Engineer

Uawithya Machinery Co. Ltd.
04.2009 - 12.2009

Planning and Process Engineer

Sibelco Minerals (Thailand) Co. Ltd.
09.2006 - 04.2009

Bachelor’s Degree - Mining Engineering

Print of Songkla University
Ekkaluk SrigateProfessional Mining Engineer & Operations Executive