| S.No. | Checkpoint | IS Requirement | Status |
|---|---|---|---|
| A. EXCAVATION AND SITE PREPARATION | |||
| A1 | Excavation depth verification Acceptance: Depth measured at multiple points; within ±150 mm of design; no under-excavation | Cl. 3.1 — Excavation to design depth | OK NC NA HOLD |
| A2 | Subgrade bearing capacity testing Acceptance: CBR test results ≥ design value; or plate load test bearing capacity ≥ design | Cl. 3.2 — Bearing capacity verification | OK NC NA HOLD |
| A3 | Excavation slope and stability Acceptance: Slopes per design angle; no slippage; water seepage controlled; temporary bracing if required | Cl. 3.3 — Slopes must be stable | OK NC NA HOLD |
| A4 | Dewatering and groundwater management Acceptance: Pumping system operational; water table controlled; site remains dry; no erosion | Cl. 3.4 — Water control essential | OK NC NA HOLD |
| A5 | Excavation bottom surface condition Acceptance: Bottom level within ±50 mm; firm and undisturbed; no soft spots; clean of debris | Cl. 3.5 — Level and firm bottom required | OK NC NA HOLD |
| B. FOUNDATION REINFORCEMENT | |||
| B1 | Reinforcement bar grades and sizes Acceptance: Bar diameter and grade match design; test certificates available; no substitution | Cl. 4.1 — Steel grades as per design | OK NC NA HOLD |
| B2 | Reinforcement placement and spacing Acceptance: Spacing ±25 mm of design; covers verified; no bunching; ties/clamps secure | Cl. 4.2 — Bars positioned per design | OK NC NA HOLD |
| B3 | Concrete cover verification Acceptance: Cover = design value ±10 mm; spacers placed every 1.0 m; no segregation at cover zone | Cl. 4.3 — Cover protects reinforcement | OK NC NA HOLD |
| B4 | Lap length and splice conditions Acceptance: Lap length = 45d (d = bar diameter); no laps in critical regions; ties at 1/3 intervals | Cl. 4.4 — Overlaps per IS 456 | OK NC NA HOLD |
| B5 | Dowel and embed detail installation Acceptance: Dowels centered in foundation; embed length per design; alignment verified; no misplacement | Cl. 4.5 — Connections properly embedded | OK NC NA HOLD |
| C. CONCRETE PREPARATION AND POURING | |||
| C1 | Concrete mix design and testing Acceptance: Mix design tested; cube strength ≥ specified grade; slump within tolerance; water/cement ratio verified | Cl. 5.1 — Mix as per design | OK NC NA HOLD |
| C2 | Concrete delivery and placement Acceptance: Delivery within 30 mins of mixing; placed in continuous layers; no segregation; vibrated properly | Cl. 5.2 — Proper concrete handling | OK NC NA HOLD |
| C3 | Concrete curing methodology Acceptance: Curing ≥ 28 days (or specified); moisture maintained; temperature controlled; cover kept wet | Cl. 5.3 — Curing essential for strength | OK NC NA HOLD |
| C4 | Concrete surface finish and quality Acceptance: No honey-combing, voids, or major cracks; surface smooth; defects repaired; not exceeding 0.5% area | Cl. 5.4 — Surface quality acceptable | OK NC NA HOLD |