| S.No. | Checkpoint | IS Requirement | Status |
|---|---|---|---|
| A. DELIVERY VERIFICATION | |||
| A1 | Purchase Order details match delivery documents Acceptance: Delivery challan and PO align; no discrepancies in grade or size | IS 1786:2008 Cl. 11 — Sampling and inspection | OK NC NA HOLD |
| A2 | Delivery challan present with consignment Acceptance: Complete delivery challan received and attached to invoice | IS 1786:2008 Cl. 11 | OK NC NA HOLD |
| A3 | Quantity tally — weight check Acceptance: Delivered weight ±3% of ordered weight; variance documented if >3% | IS 1786:2008 Cl. 11 | OK NC NA HOLD |
| A4 | Quantity tally — piece count Acceptance: Piece count matches delivery challan; no bundles short-counted | IS 1786:2008 Cl. 11 | OK NC NA HOLD |
| A5 | Heat number / batch traceability marked on bundles Acceptance: Heat/lot number clearly marked on all bundles; matches MTC heat number | IS 1786:2008 Cl. 11 — Lot identification | OK NC NA HOLD |
| A6 | Manufacturer identification marks visible on bars Acceptance: Identification marks (embossed/printed) present and legible on sample bars | IS 1786:2008 Cl. 6.3 | OK NC NA HOLD |
| B. VISUAL INSPECTION | |||
| B1 | Surface condition — no visible cracks Acceptance: No cracks (transverse or longitudinal) on bar surface visible to naked eye | IS 1786:2008 Cl. 7.1 | OK NC NA HOLD |
| B2 | Surface condition — no surface flaws or seams Acceptance: Bar surface free from laminations, tears, or rolling seams; light scratches acceptable | IS 1786:2008 Cl. 7.1 | OK NC NA HOLD |
| B3 | Rib pattern — transverse ribs present per IS 1786 Cl. 6.2 Acceptance: Two transverse ribs per side; rib spacing uniform; ribs cross both diagonal and transverse | IS 1786:2008 Cl. 6.2 — Rib geometry | OK NC NA HOLD |
| B4 | Rib pattern — longitudinal ribs present Acceptance: At least two longitudinal ribs visible; unbroken along bar length | IS 1786:2008 Cl. 6.2 | OK NC NA HOLD |
| B5 | Colour coding for grade identification Acceptance: Fe 500 bars unpainted; Fe 500D bars with green paint on cut ends; consistent across lot | IS 1786:2008 practice — Grade distinction | OK NC NA HOLD |
| B6 | Straightness — no visible bends or kinks Acceptance: Bars straight within 0.5% of length; no visible kinks or permanent bends | IS 1786:2008 Cl. 6 — Dimensional tolerances | OK NC NA HOLD |
| B7 | Rust — light mill scale acceptable Acceptance: Light mill scale present; loose, flaking, or deep pitting rust not acceptable; reject if >10% bar surface affected | IS 1786:2008 Cl. 7.1 | OK NC NA HOLD |
| B8 | Bar ends — clean cut, no torch cut or damage Acceptance: Bar ends square-cut; no torch cut (melted edges); no jagged edges; no end damage affecting 50mm length | IS 1786:2008 Cl. 6 | OK NC NA HOLD |
| C. DIMENSIONAL CHECK | |||
| C1 | Diameter measurement — vernier calipers or micrometer Acceptance: Measure 3 positions per bar, 5 random bars per lot. All measurements within tolerance. Document min/max values. | IS 1786:2008 Table 3 — Dimensional tolerances | OK NC NA HOLD |
| C2 | Length check — measured against nominal length Acceptance: Length tolerance ±50mm per IS 1786; document actual lengths if coil-cut supply | IS 1786:2008 Cl. 6.1 | OK NC NA HOLD |
| C3 | Rib height measurement per IS 1786 Cl. 6.2 Acceptance: Measure 5 ribs per bar; min height ≥0.07d; document if below minimum | IS 1786:2008 Cl. 6.2 — Rib geometry (Fe 500D) | OK NC NA HOLD |
| C4 | Rib spacing measurement — transverse rib spacing Acceptance: Spacing uniform; within ±0.5mm variation across 5 sample bars; document spacing for Fe 500D | IS 1786:2008 Cl. 6.2 | OK NC NA HOLD |