| S.No. | Checkpoint | IS Requirement | Status |
|---|---|---|---|
| A. ACTIVITY 1: AGGREGATE SOURCE QUALIFICATION | |||
| A1 | Identify and pre-qualify aggregate sources; obtain preliminary samples for testing Acceptance: Sources verified for capacity; samples tested; results documented; quality acceptable | Cl. 3 — Quality standards | OK NC NA HOLD |
| A2 | HOLD POINT: Source approval sign-off by QC Manager; confirm suitability for project Acceptance: QC Manager written approval; sources meet specifications; supply chain confirmed | Cl. 3 — Quality assurance | OK NC NA HOLD |
| B. ACTIVITY 2: AGGREGATE RECEIVING & INSPECTION | |||
| B1 | Schedule aggregate deliveries; prepare QC team and receiving infrastructure Acceptance: Deliveries coordinated; QC checklist ready; receiving area prepared; team scheduled | Cl. 9 — Planning | OK NC NA HOLD |
| B2 | Complete QC-AGG-CHK-001 receiving inspection: documentation, physical condition, quantity verification Acceptance: Checklist fully completed; all items checked; no NC items preventing receipt | Cl. 9 — Inspection | OK NC NA HOLD |
| B3 | HOLD POINT: Receiving inspection approval by QC engineer before unloading/temporary storage Acceptance: QC engineer approval issued; preliminary acceptance documented; conditions noted if any | Cl. 9 — Inspection approval | OK NC NA HOLD |
| C. ACTIVITY 3: SAMPLE COLLECTION & LAB SUBMISSION | |||
| C1 | Collect representative samples per IS 2386: minimum 100kg composite from multiple locations Acceptance: 3-5 samples from different heap locations; sealed containers; labeled completely | Cl. 9.1 — Sampling method | OK NC NA HOLD |
| C2 | Submit samples to approved testing lab within 48 hours with documentation Acceptance: Lab receipt confirmed; submission documented; reference number obtained | Cl. 9.1 — Lab submission | OK NC NA HOLD |