| S.No. | Checkpoint | IS Requirement | Status |
|---|---|---|---|
| REG. CONCRETE POUR LOG - COLUMN DEFINITIONS | |||
| COL-01 | S.No Acceptance: Sequential numbering from 1 onwards | Serial number for each pour entry | |
| COL-02 | Date Acceptance: DD-MM-YYYY format | Date of concrete pour | |
| COL-03 | Pour Time (Start-End) Acceptance: HH:MM format, duration recorded | Start and end time of concrete placement | |
| COL-04 | Element/Location Acceptance: Clear identification with level/zone reference | Structural element being concreted (e.g., Slab, Beam, Column, Footing) | |
| COL-05 | Drawing Ref Acceptance: Drawing number and revision as per approved set | Reference drawing number for the element | |
| COL-06 | Grade Acceptance: As per design specification and drawing | Concrete grade (e.g., M25, M30, M40) | |
| COL-07 | Mix Design Ref Acceptance: Approved mix design reference matching grade and w/c ratio | Reference to approved mix design (ID/batch number) | |
| COL-08 | Volume Planned (m³) Acceptance: As per drawings and bill of quantities | Designed volume of concrete for the element | |
| COL-09 | Volume Actual (m³) Acceptance: Recorded from truck discharge tickets | Actual volume of concrete placed | |
| COL-10 | Truck/Batch Count Acceptance: Total count of delivery vehicles/batches | Number of transit mixer trucks or batches used | |
| COL-11 | Slump Range (mm) Acceptance: Slump 25-75 mm typical; verify against mix design specification | Measured slump as per IS 1199:1959 (Cone slump test) | |
| COL-12 | Ambient Temp (°C) Acceptance: 5-40°C normal; below 5°C or above 40°C requires special measures | Ambient air temperature during placement | |
| COL-13 | Concrete Temp (°C) Acceptance: 10-32°C typical; measured with thermometer at point of placement | Measured temperature of fresh concrete at placement | |
| COL-14 | Cube Set IDs Acceptance: Minimum 1 set per 30 m³; typically 6 cubes per set (3 for 7-day, 3 for 28-day) | Unique identifiers for all cube sets cast from this pour | |
| COL-15 | W/C Ratio Acceptance: As per approved mix design; reference value from batch ticket | Water-to-Cement ratio by weight | |
| COL-16 | Admixture Used (type & dosage) Acceptance: As per approved mix design; dosage in mL/100 kg cement or % by mass | Type and dosage of chemical admixtures (e.g., plasticizer, retarder, accelerator) | |
| COL-17 | Pour Method (pump/crane/direct) Acceptance: Pump (preferred), crane bucket, or direct from truck; free fall ≤1.5 m per IS 456 | Method of concrete placement into formwork | |
| COL-18 | Vibration Method Acceptance: Needle vibrator (immersion 5-15 sec per layer) or surface vibrator; frequency 50-100 Hz typical | Type and duration of vibration applied | |
| COL-19 | Curing Start Date Acceptance: Within 24 hours of placement (or earlier in hot/windy weather) | Date when curing commenced | |
| COL-20 | Curing Method Acceptance: Minimum 7 days for non-air-cooled concrete; 14 days for high strength or pozzolanic cement | Curing method (water spraying, wet burlap, curing compound, ponding) | |
| COL-21 | Weather Acceptance: Clear, Rainy, Windy, Hot, Cold; note if special measures taken | Weather conditions during placement and curing commencement | |
| COL-22 | QC Engineer Acceptance: Designated competent person present during entire pour operation | Name and signature of QC engineer supervising the pour | |
| COL-23 | Remarks Acceptance: Document any non-conformances or corrective actions taken | Any deviations, defects observed, or special notes | |
| SUMMARY. MONTHLY SUMMARY | |||
| SUM-01 | Total Pours (No.) Acceptance: Cumulative from pour log | Count of all concrete pour events in the period | |
| SUM-02 | Total Volume (m³) Acceptance: Sum of all Volume Actual entries | Total actual volume of concrete placed in the period | |
| SUM-03 | Average Slump (mm) Acceptance: Mean of all recorded slump values | Average slump of all pours in the period | |
| SUM-04 | Total Cubes Cast (No.) Acceptance: Cumulative from all cube set IDs (typically 6 cubes per set) | Total count of cube specimens cast in the period | |