| S.No. | Checkpoint | IS Requirement | Status |
|---|---|---|---|
| A. DELIVERY & DOCUMENTATION VERIFICATION | |||
| A1 | Delivery challan vs purchase order matching Acceptance: Challan references PO, grades match, quantity ±2% of ordered amount | Verify material matches ordered quantity and specification | OK NC NA HOLD |
| A2 | Manufacturer/Supplier certification and credentials Acceptance: Supplier certificate, mill marks visible, species identification clear | Verify source reliability | OK NC NA HOLD |
| A3 | Mill certificate and moisture content data sheet Acceptance: Certificate showing moisture content ≤15-18% for structural timber | Verify seasoning and drying status | OK NC NA HOLD |
| A4 | Preservation/Treatment certificate (if applicable) Acceptance: Treatment certificate with chemicalsused, retention rates, treatment date | Verify chemical treatment against termites/fungi | OK NC NA HOLD |
| B. QUANTITY & DIMENSIONS CHECK | |||
| B1 | Piece count verification (sample counting first 10%) Acceptance: Count matches challan ±2% tolerance on sample | Verify count accuracy in delivery | OK NC NA HOLD |
| B2 | Length measurements (spot-check minimum 5 pieces per batch) Acceptance: Length ±5 mm of specified, recorded in cm | Verify dimensions per specification | OK NC NA HOLD |
| B3 | Cross-section dimensions (width x depth, 5 random samples) Acceptance: Width & depth ±2 mm of nominal size, measured with calipers | Verify cross-sectional sizes | OK NC NA HOLD |
| B4 | Volume calculation (L x W x D) for payment verification Acceptance: Volume matches or exceeds ordered quantity; wastage <2% | Confirm material volume received | OK NC NA HOLD |
| C. VISUAL QUALITY INSPECTION | |||
| C1 | Knots, defects, and structural integrity Acceptance: Grade as per IS: small knots ≤10 mm acceptable in FG (Feature Grade) | Grade checking per IS standard quality classes | OK NC NA HOLD |
| C2 | Checks, splits, and cracks (length and depth) Acceptance: Surface checks ≤1 mm depth acceptable; edge/end splits <10 mm length | Assess drying-induced defects | OK NC NA HOLD |
| C3 | Insect damage, termite holes, fungal stains Acceptance: No active insect galleries >1 mm; no dark fungal stains; no wood-worm damage | Verify freedom from pests and decay | OK NC NA HOLD |
| C4 | Discoloration, staining, or surface soiling Acceptance: Natural aging acceptable; fungal stains >10% area rejection threshold | Assess appearance and cleanliness | OK NC NA HOLD |
| C5 | Warping, bowing, cupping, twisting Acceptance: Bow/warp ≤10 mm per meter length; cup/twist ≤5 mm acceptable | Check distortion from drying | OK NC NA HOLD |