| S.No. | Checkpoint | IS Requirement | Status |
|---|---|---|---|
| A. GENERAL COMPLIANCE | |||
| A1 | Design calculations prepared by qualified structural engineer; credentials and stamp present Acceptance: Engineer qualifications verified; Stamp/signature present; Dated within valid period | Cl. 1.1 — Professional responsibility | OK NC NA HOLD |
| A2 | Design calculations use latest version of IS codes (IS 456, IS 800, IS 875) current as of review date Acceptance: IS code versions cited; No deprecated editions used; Edition year matches applicable code | Cl. 1.2 — Code currency | OK NC NA HOLD |
| A3 | Design report includes: loads assumed, design approach, critical members analyzed, safety factors applied Acceptance: All sections present; Load summary provided; Key design assumptions documented | Cl. 2 — Report completeness | OK NC NA HOLD |
| B. DESIGN LOADS & ASSUMPTIONS | |||
| B1 | Dead load calculation: Self-weight of members computed per material unit weights (RCC 25 kN/m³, Steel 78.5 kN/m³, etc.) Acceptance: Unit weights per IS code; Calculated loads documented; Member schedule references | Cl. 3.1 — Dead load basis | OK NC NA HOLD |
| B2 | Live load applied per IS 875 Part 2: Residential 1.5-2 kN/m², Office 2.5 kN/m², etc., per occupancy type Acceptance: Live load category identified; Correct value per code; Applied to critical load cases | Cl. 3.2 — Live load application | OK NC NA HOLD |
| B3 | Wind load calculated per IS 875 Part 3: Design wind speed determined for location; category, height, terrain type considered Acceptance: Wind speed zone identified; Height factor (z) applied; Design category correct; Pressure coefficients appropriate | Cl. 3.3 — Wind load | OK NC NA HOLD |
| B4 | Seismic load applied per IS 1893: Response reduction factor (R), zone factor (Z), importance factor (I) correctly applied Acceptance: Zone factor per location; R-value appropriate for structure type; I-factor justified; Base shear correctly computed | Cl. 3.4 — Seismic load | OK NC NA HOLD |
| B5 | Snow load considered (if applicable to location); load case included in combination per IS 875 Part 4 Acceptance: Snow zone identified; Load value per code; Load combination with wind per clause 6.2 IS 875 | Cl. 3.5 — Snow load (conditional) | OK NC NA HOLD |
| B6 | Load combinations per IS 875 & IS 456 Cl. 40 verified: 1.5(DL+IL), 1.2(DL)+1.6(IL), 1.5(DL±WL) etc. Acceptance: All applicable combinations identified; Correct factors applied; Critical combination noted | Cl. 3.6 — Load combination | OK NC NA HOLD |
| C. RCC DESIGN (if applicable) | |||
| C1 | Concrete grade specified: M20, M25, M30, M40, M50 etc. justified for environment class (XC0-XS3) Acceptance: Grade per Table 5, IS 456; Environment class per Table 2, IS 456; Durability checked | Cl. 4.1 — Concrete specification | OK NC NA HOLD |
| C2 | Steel reinforcement grade specified: Fe 250, Fe 415, Fe 500 with justification; fy values used correctly Acceptance: Grade specified; Yield strength value (fy) correct; Design strength (0.87fy) applied | Cl. 4.2 — Reinforcement grade | OK NC NA HOLD |
| C3 | Beam design: Moment & shear checked; bending reinforcement %age between 0.85/fy to 4%, shear reinforcement provided Acceptance: Moment capacity checked; Min 0.12% provided; Max 4% to avoid congestion; Details shown in drawings | Cl. 4.3 — Flexural design | OK NC NA HOLD |
| C4 | Column design: Axial load & biaxial bending checked; % reinforcement 0.8-6%; Pu ≤ 0.4 fck.Ac (short col formula) verified Acceptance: Slenderness checked; Interaction diagram method used if complex loading; Detailing per code | Cl. 4.4 — Column design | OK NC NA HOLD |
| C5 | Slab design: Effective span, aspect ratio, load distribution verified; deflection check (<span/250) done Acceptance: Span/depth ratio appropriate; Moment coefficients per code; Deflection within limits; Minimum reinforcement % provided | Cl. 4.5 — Slab design | OK NC NA HOLD |
| C6 | Footing design: Safe bearing capacity of soil used; Pressure distribution uniform; Depth & reinforcement adequate Acceptance: SBC from geotechnical report used; Pressure <SBC; Bending reinforcement ≥0.12%; Shear checked | Cl. 4.6 — Foundation design | OK NC NA HOLD |