| S.No. | Checkpoint | IS Requirement | Status |
|---|---|---|---|
| A. HOLD POINTS (Work Stop - Approval Required) | |||
| A1 | HP-1: Foundation Design Approval - Before excavation starts Acceptance: Design reviewed & approved per QC-STR-CHK-001; Soil test report available; SBC confirmed | Clause 1.1 — Design verification | OK NC NA HOLD |
| A2 | HP-2: Reinforcement Details Reviewed - Before casting foundation/superstructure Acceptance: Rebar schedule reviewed; Cover requirements verified; Bending details confirmed; Drawings signed | Clause 1.2 — Detailing review | OK NC NA HOLD |
| A3 | HP-3: Concrete Grade & Mix Design Approved - Before concrete delivery to site Acceptance: Concrete grade per design; Mix design provided; Trial mixes tested; f'c confirmed | Clause 1.3 — Material qualification | OK NC NA HOLD |
| A4 | HP-4: Steel/Connection Approval - Before fabrication or assembly of steel frame Acceptance: Steel grade certs provided; Connection design reviewed; Welding qual certs available | Clause 1.4 — Steel qualification | OK NC NA HOLD |
| A5 | HP-5: Seismic Detailing Review - If seismic zone III+, before reinforcement placement Acceptance: Ductile detailing per IS 13920 reviewed; Critical zone reinforcement verified; Witness inspection done | Clause 1.5 — Ductility verification | OK NC NA HOLD |
| B. INSPECTION POINTS (QC Inspections - Must Pass) | |||
| B1 | IP-1: Concrete Strength Verification - At 7 days and 28 days per batch via compression test / cube samples Acceptance: 7-day ≥75% of f'c; 28-day ≥f'c per spec; Test certs provided; Failed cubes investigated | Clause 2.1 — Material testing | OK NC NA HOLD |
| B2 | IP-2: Reinforcement Placement Inspection - Per floor/section; bar size, spacing, cover verified Acceptance: Rebar schedule matched; Cover ±10mm; Spacing per drawings; Laps >50 dia; Photographic evidence | Clause 2.2 — Rebar QC | OK NC NA HOLD |
| B3 | IP-3: Formwork Inspection - Before concrete pour; levelness, stability, support adequacy checked Acceptance: Level ±5mm/m; Supports adequate; Deflection <L/250; Props per design; Checklist signed | Clause 2.3 — Temporary works | OK NC NA HOLD |
| B4 | IP-4: Concrete Curing Verification - During curing period; moisture, temperature monitored Acceptance: Curing 7 days minimum (14 days for low-strength); Moisture maintained; Temperature 5-35°C; Log kept | Clause 2.4 — Curing compliance | OK NC NA HOLD |
| B5 | IP-5: Steel Fabrication Inspection - Connection details, welds, bolt tightness verified per shop inspection report Acceptance: Welds per code; UT/RT tests done; Bolts torqued; Certs provided; NDT reports reviewed | Clause 2.5 — Steel QC | OK NC NA HOLD |
| C. WITNESS POINTS (Contractor to Notify QC; QC Must Be Present) | |||
| C1 | WP-1: Concrete Pouring - First pour per structure type/location witnessed Acceptance: Concrete quality checked (slump, consistency); Placement method observed; Curing started immediately | Clause 3.1 — Pour witness | OK NC NA HOLD |
| C2 | WP-2: Concrete Strength Sample Collection - Cube samples made during concrete pour Acceptance: 3 cubes minimum per batch; Proper making & curing; Labeling complete; Chain of custody maintained | Clause 3.2 — Sample integrity | OK NC NA HOLD |
| C3 | WP-3: Formwork Removal - Witnessed for timing & method; member inspected post-removal for defects Acceptance: Timing per code (7d min); Method controlled; Surface condition assessed; Cracks/spalling noted | Clause 3.3 — De-shuttering | OK NC NA HOLD |
| C4 | WP-4: Steel Member Erection - First member installed; connections bolted/welded in presence of QC inspector Acceptance: Alignment verified; Connections per design; Welds observed; Torque values checked | Clause 3.4 — Steel erection | OK NC NA HOLD |
| C5 | WP-5: Load Test - Structural load test conducted per QC-STR-TST-001; deflection & behavior monitored Acceptance: Load test report generated; Deflection ≤ allowable; No visible distress; Member performance acceptable | Clause 3.5 — Capacity verification | OK NC NA HOLD |