| S.No. | Checkpoint | IS Requirement | Status |
|---|---|---|---|
| A. SCOPE & REFERENCES | |||
| A1 | Scope: batching (site / RMC), transport, placing, compacting, finishing, curing of all RCC/PCC elements Acceptance: Scope covers grade, elements, production source, and pour sequence | Cl. 1 — Scope | OK NC NA HOLD |
| A2 | Approved mix design per IS 10262 for each concrete grade — trial batches verified Acceptance: Trial mix 28-day strength ≥ target mean strength; workability OK; approved | Cl. 9 (IS 456) — Mix design | OK NC NA HOLD |
| A3 | RMC supplier pre-qualified per IS 4926 — plant audit, calibration, QAP reviewed Acceptance: QCI/NRMCA certified RMC plant; weigh batchers calibrated; QAP approved | Cl. 5 (IS 4926) — Supplier QA | OK NC NA HOLD |
| B. MATERIALS & EQUIPMENT | |||
| B1 | Cement per IS 269/1489/12269, aggregates per IS 383, water per IS 456 Cl.5.4, admixtures per IS 9103 Acceptance: All materials meet respective IS; MTC/test reports on file; admixture dosage verified | Cl. 5 (IS 456) — Materials | OK NC NA HOLD |
| B2 | Placing equipment — boom pump/line pump/bucket — mobilised; standby pump arranged Acceptance: Pump capacity adequate; standby pump on site; line cleaned prior to pour | Cl. 13 (IS 456) — Placing | OK NC NA HOLD |
| B3 | Vibrators — needle, form, screed — ≥1 standby per 2 working; power backup arranged Acceptance: Vibrators checked; standby available; DG back-up tested | Cl. 13.3 (IS 456) — Compaction | OK NC NA HOLD |
| C. SITE PREPARATION / PRE-REQUISITES | |||
| C1 | Formwork, rebar, MEP inserts inspected and approved; joint inspection report signed Acceptance: All prior RFIs closed; pre-pour checklist (QC-CON-CHK-XXX) signed by consultant | Cl. 10 — Pre-pour | OK NC NA HOLD |
| C2 | Construction joint treatment done — laitance removed, surface roughened, bonding slurry applied Acceptance: Surface clean, saturated-surface-dry; cement slurry or bond agent applied just before pour | Cl. 13.4 — Joints | OK NC NA HOLD |
| C3 | Cube moulds, slump cone, thermometer, sample trays ready on site; cube curing tank filled Acceptance: 6 cubes per 50 m³ (min 1 per pour); moulds cleaned and oiled; curing tank temp 27±2 °C | Cl. 15 — Testing setup | OK NC NA HOLD |