JOB DESCRIPTION: Lab Technician, Ready Mix Concrete (RMC) Plant

Department: Quality Control (QC) /
Industry: Ready Mix Concrete (RMC)
Location: Greater Noida
Reporting To: Plant Head / Management

1. Job Purpose

To ensure the quality and consistency of ready mix concrete through systematic testing of raw materials, fresh concrete and hardened concrete; monitoring of mix designs and production quality; maintaining accurate laboratory records; and ensuring timely submission of cube test reports to clients in accordance with applicable IS standards and project specifications.

2. Key Roles and Responsibilities

A. Raw Material Quality Control

- Conduct routine quality tests on cement, aggregates, fly ash, GGBS and other materials used in concrete production, as applicable.
- Check incoming raw materials for compliance with approved specifications.
- Monitor aggregate grading, silt content, moisture content, specific gravity and other relevant properties.
- Maintain records of raw material test results and report any deviations to management.
- Coordinate with suppliers and plant personnel regarding material quality issues.

B. Fresh Concrete Quality Control

- Conduct slump tests, workability checks and other relevant fresh concrete tests.
- Monitor concrete temperature and other parameters as required by project specifications.
- Collect concrete samples at the batching plant and client sites as required.
- Ensure proper sampling, cube casting, identification, curing and storage procedures.
- Verify that concrete supplied meets the specified grade, workability and quality requirements.

C. Cube Testing and Strength Monitoring

- Cast, label, cure and test concrete cubes in accordance with applicable IS standards and approved testing procedures.
- Maintain proper identification and traceability of samples, including client name, site, grade, casting date and testing due dates.
- Conduct compressive strength tests at 7 days and 28 days, or at other specified ages where required.
- Maintain a consolidated cube test register and monitor all pending and upcoming tests.
- Analyse test results, identify trends and immediately report low-strength or abnormal results to management.
- Ensure proper maintenance and operation of the Compression Testing Machine and other laboratory equipment.

D. Cube Test Reports and Client Coordination

- Prepare and submit accurate, complete and properly documented cube test reports to clients within the prescribed timelines.




- Ensure that 7-day and 28-day reports are issued promptly after testing and verification.
- Maintain records of reports submitted to each client and follow up on pending submissions.
- Coordinate with clients regarding test results, report requirements and quality-related queries.
- Immediately escalate failed or below-specification results to management and assist in preparing the necessary technical investigation and corrective-action report.

E. Mix Design and Production Support

- Assist in the preparation, verification and modification of concrete mix designs as approved by the responsible technical authority.
- Monitor concrete grades, water-cement ratios, aggregate moisture corrections and admixture dosages.
- Coordinate with batching plant operators to ensure that approved mix proportions are followed.
- Support the development and testing of special concrete grades, including high-strength and self-compacting concrete, as required.
- Maintain records of trial mixes, production trials and mix design approvals.

F. Documentation and Record Keeping

- Maintain daily laboratory registers for raw materials, fresh concrete, cube casting, cube testing and mix designs.
- Maintain a client-wise record of concrete dispatches and corresponding cube test results.
- Track pending cube tests and ensure no scheduled testing or reporting deadline is missed.
- Maintain records of equipment calibration, maintenance and laboratory inspections.
- Ensure that all QC documentation is accurate, organised and readily available for audits or client inspections.

G. Equipment Maintenance and Laboratory Management

- Ensure proper functioning, cleanliness and upkeep of laboratory equipment, including the Compression Testing Machine, weighing balances, sieves, oven, cube moulds and other testing apparatus.
- Ensure that equipment calibration and verification are carried out at the prescribed intervals.
- Maintain adequate laboratory consumables and report shortages to management.
- Ensure protected handling of equipment, samples and testing materials.

H. Quality Assurance and Corrective Actions

- Ensure compliance with applicable IS codes,



approved mix designs, project specifications and internal quality procedures.
- Investigate quality complaints and assist management in identifying root causes.
- Recommend corrective and preventive measures for recurring quality issues.
- Coordinate with production, batching, dispatch and site teams to resolve quality-related problems.
- Ensure that any non-conformance is documented and brought to the attention of management without delay.

3. Qualifications and Experience

- Diploma or degree in Civil Engineering, preferably with experience in concrete technology and quality control.
- Relevant experience in an RMC plant laboratory will be preferred.
- Knowledge of concrete testing procedures, mix designs and applicable IS codes.
- Practical experience in cube casting, curing, compressive strength testing and fresh concrete testing.
- Proficiency in maintaining laboratory registers, preparing reports and using MS Excel.
- Ability to coordinate effectively with plant personnel, site engineers, clients and management.

4. Required Skills and Competencies

- Strong technical knowledge of concrete quality control.
- Attention to detail and accuracy in testing and documentation.
- Responsible handling of cube test schedules and reporting deadlines.
- Ability to identify and escalate quality deviations promptly.
- Good communication and coordination skills.
- Discipline, integrity and accountability in laboratory operations.

5. Key Performance Expectations

Performance will be evaluated on the basis of:

- Timely submission of 7-day and 28-day cube test reports to clients.
- Accuracy and completeness of laboratory records and test reports.
- Compliance with sampling, testing and curing procedures.
- Timely identification and escalation of quality deviations.
- Proper maintenance and calibration of laboratory equipment.
- Consistent monitoring of raw material and concrete quality.
- Effective coordination with production teams and clients.

Note: The employee is expected to perform all duties in accordance with applicable standards, approved procedures and management instructions. Any abnormal test result or quality deviation must be reported promptly and must not be concealed or altered.

Pay: ₹20,000.00 - ₹25,000.00 per month

Benefits:

- Cell phone reimbursement
- Commuter assistance
- Internet reimbursement

Experience:

- Work in Ready Mix Concrete Plant : 1 year (Required)

Work Location: In person

📌 Ready Mix Concrete Lab Technician (Noida)
🏢 Millennium Concrete RMC
📍 Noida