| S.No. | Checkpoint | IS Requirement | Status |
|---|---|---|---|
| A. A. SCOPE OF WORK | |||
| A1 | Description of RCC Work Acceptance: Clear narrative covering nature of work, extent, and project phase | Detailed description of concrete work scope | |
| A2 | Location / Structural Elements Covered Acceptance: List with reference to drawing numbers; include all elements in this work package | Identification of elements (slabs, beams, columns, footings, etc.) and zones | |
| A3 | Estimated Volume (m³) Acceptance: Calculated from drawings; used for material planning and sampling frequency | Total volume of concrete planned for this work | |
| A4 | Duration / Schedule Acceptance: From project schedule; phased if required | Planned start and completion dates | |
| B. B. REFERENCE DOCUMENTS | |||
| B1 | Applicable IS Codes Acceptance: IS 456:2000, IS 10262:2009, IS 383:1970 (Coarse and Fine Aggregate), IS 1786:2008, IS 516:1959, IS 1199:1959, IS 1498:1970 (Steel), IS 4031:1988 (Cement Testing) | List of all relevant Indian Standards for concrete work | |
| B2 | Approved Drawings List Acceptance: List drawing nos. and latest approved revisions | Reference drawing numbers with revisions | |
| B3 | Approved Mix Design Acceptance: Document ID, grade, w/c ratio, slump, cement type, approval date and approver signature | Reference to approved IS 10262 mix design document | |
| B4 | Project Specification Acceptance: Grade, exposure class, durability requirements, special requirements (if any) | Concrete specification from project contract/design doc | |
| C. C. MATERIALS | |||
| C1 | Cement - Type and Grade Acceptance: Grade 43/53; source and Mill Test Certificate (MTC) records maintained | Type of cement (OPC/PPC/PSC) and grade per IS 269/455/1489 | |
| C2 | Cement Storage Requirements Acceptance: In covered store; max 10 bags high; on raised platform; FIFO rotation; shelf life 3 months max from date of packing; stock rotation recorded | Storage conditions per IS 456 Cl. 5.2 | |
| C3 | Fine Aggregate (Sand) - Source and Grading Acceptance: Grading Zone II or III; natural or manufactured sand; silt content ≤3% (for fine sand) or ≤5% (coarse sand); testing per IS 2386:1963 Part I | Source and compliance with IS 383:1970 grading zone | |
| C4 | Coarse Aggregate (Stone/Gravel) - Source and Grading Acceptance: 20mm nominal size typical; flakiness index ≤30%; elongation index ≤30%; testing per IS 2386:1963 Part I; all sizes tested before batching commenced | Source and compliance with IS 383:1970 grading | |
| C5 | Aggregate Testing Frequency Acceptance: Sieve analysis every 500 tonnes; silt/moisture every 100 tonnes; flakiness/elongation every 1000 tonnes; records maintained with dates | Schedule for regular testing of aggregates | |
| C6 | Reinforcement Steel - Grade and Type Acceptance: Grade Fe 500D (primary); diameter per drawings; Mill Certificates (MC) obtained; traceability maintained | Steel grade per IS 1786:2008 (High strength deformed bars) | |
| C7 | Steel Storage and Protection Acceptance: On raised platform (min 300mm height); covered from rain; inspect for rust/damage before use; oiled if stored >6 months; bending at site tested per IS 1608:1995 (bend/rebend test) | Storage conditions for reinforcement steel | |
| C8 | Water Quality Acceptance: Potable water; pH 6-8; salt content <500 mg/litre; chloride <200 mg/litre; sulphate <200 mg/litre; testing done before use | Water used in concrete mix per IS 456 Cl. 5.4 | |
| C9 | Admixtures - Type and Dosage Acceptance: Type (plasticizer/retarder/accelerator/air-entraining); dosage in mL/100kg cement or % by mass; approved mix design reference; batch testing if new source | Chemical admixtures per IS 9103:1999 and approved mix design | |