Ensure Availability of Relevant Records for Quality Assurance
12
Collect and Analyze Samples from Random Batches
13
Cross-Check With Official Standards and Guidelines
14
Recording and Documentation of Procedure and Observations
15
Evaluate Concrete Finishing Work
16
Check Reinforcement Work done
17
Perform Concrete Strength Test
18
Approval: Chief Engineer
Review Concrete Mix Design
Review the concrete mix design to ensure that it meets the required specifications. This includes examining the type and proportions of materials used, as well as any additives or admixtures. Verify that the mix design will result in concrete with the desired strength, durability, and workability. Pay attention to any potential challenges such as poor aggregate gradation or insufficient cement content, and provide remedies or adjustments if necessary.
1
Grade 20
2
Grade 25
3
Grade 30
4
Grade 35
5
Grade 40
1
Fly Ash
2
Silica Fume
3
Water Reducer
4
Air-Entraining Admixture
5
Fiber Reinforcement
Verify Material Certificate for Cement
Verify the material certificate for the cement being used in the concrete mix. This ensures that the cement meets the required specifications and standards. Check for important information such as the cement type, strength class, and production date. If the material certificate is not available or does not meet the requirements, contact the supplier for clarification or consider alternative options.
Examine the Supply of Aggregates
Thoroughly examine the supply of aggregates to ensure they meet the specified requirements. Check the gradation, cleanliness, and moisture content of the aggregates. Inspect for any signs of contamination or impurities. If any issues are identified, communicate with the supplier and take appropriate measures to resolve them.
1
Fine Aggregate
2
Coarse Aggregate
1
Check Gradation
2
Inspect Moisture Content
3
Verify Storage Conditions
4
Inspect for Contamination
5
Check for Impurities
Inspect Supply of Water for Concrete
Inspect the supply of water that will be used for mixing the concrete. Ensure that the water is clean, free from any contaminants, and suitable for use in concrete production. Test the pH level and conduct any additional required water quality tests. If the water source or quality is not acceptable, arrange for an alternative water supply or treat the existing water to meet the required standards.
1
Low Mineral Content
2
pH Neutral
3
Free from Contaminants
4
Tested for Chlorides
1
Check for Color and Odor
2
Conduct pH Test
3
Conduct Chloride Test
4
Verify Quality Certificate
Review Chemical Admixture details if Any
Review the details of any chemical admixtures that will be used in the concrete mix. Examine the specific type of admixture, its dosage, and the purpose it serves (e.g., air-entraining, water-reducing, or retardation). Ensure that the admixture is approved for use and complies with the relevant standards. If any concerns or questions arise, consult with the supplier or project engineer for clarification or alternatives.
1
Air-Entraining
2
Water-Reducing
3
Retarding
4
Accelerating
5
Superplasticizing
Check Placement of Concrete
Check the placement of the concrete during the pouring process. This involves monitoring the delivery, distribution, and consolidation of the concrete to ensure proper placement and avoid segregation or voids. Pay attention to the pouring rate, equipment used, and any potential issues that may arise during placement. Ensure that the concrete is properly vibrated and screeded to achieve the desired compaction and finish.
1
Chute
2
Pump
3
Bucket
4
Conveyor
1
Monitor Concrete Delivery
2
Inspect Proper Distribution
3
Check Vibration and Consolidation
4
Ensure Controlled Pouring
5
Monitor Segregation and Voids
Evaluate Curing Process of Fresh Concrete
Evaluate the curing process of fresh concrete to ensure that it proceeds according to the specified methods and duration. Monitor the curing temperature, humidity, and the application of any curing compounds or membranes. Check for any potential issues such as inadequate curing or improper sealing. Take appropriate measures to correct or enhance the curing process as needed.
1
Water Curing
2
Membrane Curing
3
Spray-on Curing Compound
4
Blanket Curing
5
Steam Curing
1
Monitor Temperature
2
Check Humidity
3
Inspect Sealing
4
Verify Curing Record
Inspect the Formwork Preparation
Inspect the formwork preparation before pouring concrete. Verify that the formwork is properly aligned, secured, and structurally stable. Check for any damage, decay, or incorrect dimensions. Ensure that the formwork is clean and free from any contaminants that may affect the concrete's quality. Address any issues or deficiencies in the formwork promptly to avoid complications during the pouring process.
1
Check Alignment and Stability
2
Inspect for Damage
3
Verify Dimensions
4
Ensure Cleanliness
Conduct Fresh Concrete Test
Conduct tests on fresh concrete to assess its workability and consistency. This includes performing slump tests, temperature tests, and air content measurements. Monitor the concrete's behavior during mixing, transportation, and placement. Identify any potential issues such as excessive bleeding, high or low workability, or abnormal temperature. Take appropriate actions based on the test results to ensure the concrete meets the required standards and specifications.
1
Slump Test
2
Temperature Test
3
Air Content Measurement
4
Workability Observation
Check the Geometry of the Concrete Structure
Check the geometry of the concrete structure to ensure that it meets the specified dimensions, alignment, and tolerances. Measure critical dimensions, such as beam depths, column heights, or slab thickness, using appropriate tools and techniques. Verify the positioning and orientation of embedded items, such as anchor bolts or reinforcing bars. Address any deviations from the required geometry promptly to avoid potential issues during subsequent construction stages.
1
Measure Critical Dimensions
2
Verify Positioning of Embedded Items
3
Inspect Alignment and Orientation
Ensure Availability of Relevant Records for Quality Assurance
Ensure that all the relevant records and documentation required for quality assurance are available. This includes material test reports, certifications, inspection logs, and any other relevant records. Verify the completeness, accuracy, and traceability of the records. Communicate with the responsible parties to obtain any missing or updated records as necessary.
1
Material Test Reports
2
Certifications
3
Inspection Logs
4
Quality Control Checklists
Collect and Analyze Samples from Random Batches
Collect samples from random concrete batches to perform necessary tests and analysis. Ensure that the samples are representative of the entire production. Perform tests such as compressive strength, slump, or air content as required by the quality control plan. Keep accurate records of the test results and analyze them to identify any trends or variations in the concrete's properties.
1
Compressive Strength Test
2
Slump Test
3
Air Content Test
1
Record Test Results
2
Identify Variations or Trends
Cross-Check With Official Standards and Guidelines
Cross-check the concrete's properties, mix design, and test results with the official standards and guidelines. Ensure compliance with the relevant codes and specifications. Verify that the concrete meets the required strength, durability, and other performance criteria. Address any discrepancies or non-conformities identified through the cross-checking process.
1
ASTM
2
ACI
3
BS
4
Eurocode
1
Compressive Strength
2
Water-Cement Ratio
3
Aggregate Gradation
4
Air Content
5
Workability
Recording and Documentation of Procedure and Observations
Record and document the procedures followed and observations made throughout the concrete quality control process. This includes documenting the mix design, test results, inspection findings, and any deviations from the requirements. Ensure that the records are accurate, complete, and easily traceable. Use appropriate tools and formats for documentation, such as electronic systems or standardized forms.
1
Mix Design Details
2
Test Results
3
Inspection Findings
4
Non-Conformities
Evaluate Concrete Finishing Work
Evaluate the quality of the concrete finishing work to ensure it meets the specified requirements. Inspect the surface finish, jointing, texture, and any additional decorative elements. Check for any defects, such as honeycombing, scaling, or cracks. Address any issues promptly and ensure that appropriate measures are taken to achieve the desired concrete finish.
1
Inspect Surface Finish
2
Check Jointing
3
Assess Texture
4
Inspect Decorative Elements
5
Identify Defects
Check Reinforcement Work done
Check the reinforcement work done in the concrete structure to ensure it meets the specified requirements. Inspect the placement, alignment, spacing, and anchorage of reinforcement bars or meshes. Verify the use of appropriate connectors, ties, or splices. Address any deficiencies or non-conformities in the reinforcement work promptly to ensure the structural integrity and performance of the concrete structure.
1
Rebars
2
Welded Wire Mesh
3
Fiber Reinforcement
1
Check Placement and Alignment
2
Inspect Spacing and Overlaps
3
Verify Anchorage
4
Ensure Proper Tying or Welding
Perform Concrete Strength Test
Perform tests to determine the strength of the concrete. This includes conducting compressive strength tests on concrete samples collected from the field. Follow the specified testing procedures, including the age of the samples and the testing equipment. Record the test results accurately and compare them to the required strength criteria. Take appropriate actions based on the test results to ensure the concrete's structural adequacy.
1
Cylinder Compression Test
2
Cube Compression Test
3
Core Compression Test
1
Prepare Test Specimens
2
Conduct Test
3
Record Test Results
Approval: Chief Engineer
Will be submitted for approval:
Review Concrete Mix Design
Will be submitted
Verify Material Certificate for Cement
Will be submitted
Examine the Supply of Aggregates
Will be submitted
Inspect Supply of Water for Concrete
Will be submitted
Review Chemical Admixture details if Any
Will be submitted
Check Placement of Concrete
Will be submitted
Evaluate Curing Process of Fresh Concrete
Will be submitted
Inspect the Formwork Preparation
Will be submitted
Conduct Fresh Concrete Test
Will be submitted
Check the Geometry of the Concrete Structure
Will be submitted
Ensure Availability of Relevant Records for Quality Assurance
Will be submitted
Collect and Analyze Samples from Random Batches
Will be submitted
Cross-Check With Official Standards and Guidelines
Will be submitted
Recording and Documentation of Procedure and Observations
