CONCRETE MIX DESIGN VERIFICATION CHECKLIST

Created by ChecklistGuro (https://checklistguro.com)

--- MIX DESIGN REVIEW & DOCUMENTATION ---
[ ] Mix Design Revision Number
[ ] Date of Mix Design
[ ] Description of Mix Design Intent (e.g., intended use, performance criteria)
[ ] Attach Mix Design Calculations
[ ] Design Code Compliance (e.g., ACI, Eurocode) (ACI 318, Eurocode 2, Other (Specify))
[ ] Design Engineer Name
[ ] Assumptions made in the mix design (e.g., moisture content of aggregates)
[ ] Mix Design Approval Status (Approved, Rejected, Pending Review)

--- MATERIAL PROPERTIES VERIFICATION ---
[ ] Cement Type (ASTM)
[ ] Cement Fineness (cm²)
[ ] Coarse Aggregate Size (mm)
[ ] Coarse Aggregate SSD (Specific Gravity & Absorption)
[ ] Fine Aggregate SSD (Specific Gravity & Absorption)
[ ] Maximum Aggregate Size (mm)
[ ] Source and Lot Number for Cement
[ ] Aggregate Gradation Test Results
[ ] Admixture Type (Water Reducer, Air Entrainer, Retarder, Accelerator, Superplasticizer, None)

--- TRIAL BATCHING & TESTING ---
[ ] Trial Batch Size (Cubic Meters/Yards)
[ ] Detailed Mixing Procedure Followed
[ ] Slump (mm/inches)
[ ] Air Content (%)
[ ] Compressive Strength - 7 Days (MPa/psi)
[ ] Compressive Strength - 28 Days (MPa/psi)
[ ] Observations during Batching & Testing (Workability, Segregation, Bleeding)
[ ] Batch Result - Pass/Fail (Pass, Fail)
[ ] Supporting Test Reports (e.g., Lab Reports)

--- SLUMP & WORKABILITY ASSESSMENT ---
[ ] Slump (mm/inch)
[ ] Slump (mm/inch) - Second Test
[ ] Workability Assessment (Visual) (Excellent, Good, Fair, Poor)
[ ] Observations Regarding Workability
[ ] Consistency (Visual) (Too Wet, Correct, Too Dry)
[ ] Temperature of Concrete (ºC/ºF)
[ ] Any Additional Comments on Workability

--- STRENGTH TESTING & DURABILITY REQUIREMENTS ---
[ ] Target Compressive Strength (psi/MPa)
[ ] Age of Strength Test (days)
[ ] Average Compressive Strength (psi/MPa) - Test 1
[ ] Average Compressive Strength (psi/MPa)
[ ] Standard Deviation of Strength Tests
[ ] Strength Test Result:? (Pass, Fail, Needs Further Investigation)
[ ] Comments/Remarks on Strength Testing (if any)
[ ] Upload Strength Test Certificates
[ ] Durability Test Required? (Yes, No)

--- AIR CONTENT VERIFICATION ---
[ ] Specified Air Content (%)
[ ] Measured Air Content (%)
[ ] Air Content Variance (±%)
[ ] Air Entrainment Method (Vane Test, Pressure Meter, Other (Specify))
[ ] Notes/Observations on Air Entrainment
[ ] Acceptance Criteria Met? (Yes, No)
[ ] Corrective Actions (If Not Met)
[ ] Air Content Test Report

--- ADMIXTURE DOSAGE & COMPATIBILITY ---
[ ] Cement Content (kg/m³)
[ ] Water Content (kg/m³)
[ ] Admixture A Dosage (ml/kg of cement)
[ ] Admixture B Dosage (ml/kg of cement)
[ ] Admixture Type A (Water Reducer, Air Entrainer, Retarder, Superplasticizer, Other)
[ ] Admixture Type B (Water Reducer, Air Entrainer, Retarder, Superplasticizer, Other)
[ ] Compatibility Test Procedure (if performed)
[ ] Compatibility Test Report (if applicable)
[ ] Observations during admixture addition (e.g., slurring, clumping)
[ ] Admixture Supplier (Supplier A, Supplier B, Supplier C, Other)

--- RECORD KEEPING & SIGN-OFF ---
[ ] Mix Design Verification Date
[ ] Project Name
[ ] Mix Design Identifier
[ ] Summary of Verification Findings
[ ] Trial Batch Number
[ ] Upload Test Reports
[ ] Verification Status (Approved, Rejected, Requires Revision)
[ ] Mix Design Engineer Signature
[ ] Date of Approval

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