20GP IGU Glass Container Loading Specification (Scheme 6 Zero-Error Final Audit): 12 Horizontal Dual-Layer Crates ('Heavy-Bottom, Light-Top') with 100% 24mm Thickness & Weight Closure
Following a first-principles physical audit across Schemes 1–6, Scheme 6 Final Audit eliminates all 5 legacy contradictions (50 panes in 880mm width, gross weight below net glass weight, and Row 3 height steps/overhangs). Establishes a 3×4 grid of 12 in-crate dual-layer horizontal crates (600 panes, 615.552 m², 15.70T net / 16.68T gross) where every upper compartment is smaller and lighter than its lower base and isolated by a 70×70mm LVL load-bypass beam.
To Foreign Trade Procurement Teams, Marine Surveyors & Factory Crating Crews:
After a rigorous first-principles audit of all previous versions (Schemes 1 through initial Scheme 6), we have eliminated all 5 physical and mathematical discrepancies (24mm thickness violations, gross weight < net glass weight in 50-pane rows, and the 60mm step / 400mm overhang in Row 3).Scheme 6 (Zero-Error Final Audited Edition) organizes all 600 Low-E IGU panes ($615.552\text{ m}^2$, $15,696.8\text{ kg}$ net, $16,679.0\text{ kg}$ gross) into a clean 3 Columns × 4 Rows = 12 In-Crate Dual-Layer Horizontal Crates:
- 100% Horizontal Orientation: Every pane rests on its long edge (
长边做底横放) for minimum center of gravity.- In-Crate Dual-Layer (“Heavy-Bottom, Light-Top”) in 12/12 Crates: Every crate contains a lower compartment (larger, heavier glass) and an upper compartment (smaller, lighter glass).
- 100% Load Bypass via $70\times 70\text{ mm}$ LVL Shelf Beam: Upper glass weight transfers directly to the $80\times 80\text{ mm}$ LVL vertical corner posts ($0\text{ kg}$ pressure on lower glass).
- 100% 24mm Thickness & Weight Closure: 25-pane compartments = $600\text{ mm}$ net + $80\text{ mm}$ frame = $680\text{ mm}$ width; 20-pane compartments = $480\text{ mm}$ net + $80\text{ mm}$ frame = $560\text{ mm}$ width; 30-pane compartment = $720\text{ mm}$ net + $80\text{ mm}$ frame = $800\text{ mm}$ width.
🚀 Interactive 20GP CAD Engineering Board (Scheme 6 Final Audit)
Complete 12-Crate Packing List (600 Panes · 15,696.8 kg Net · 16,679.0 kg Gross)
| Crate ID | Grid Position | ▼ Lower Compartment (Large/Heavy Base) | ▲ Upper Compartment (Small/Light Top) | Total Qty | Net Wt (kg) | Gross Wt (kg) | Outer Dim L×W×H (mm) | Heavy-Bottom / Light-Top Verification |
|---|---|---|---|---|---|---|---|---|
| CRATE-01 | Row 1 · Left | W3 2G (1156×958, 25 pcs, 706.0 kg) | W1 2G (1156×758, 25 pcs, 558.6 kg) | 50 | 1,264.6 | 1,345.0 | 1236 × 680 × 1916 | Top is 200mm shorter & 147.4kg lighter |
| CRATE-02 | Row 1 · Center | W3 2G (1156×958, 25 pcs, 706.0 kg) | W1 2G (1156×758, 25 pcs, 558.6 kg) | 50 | 1,264.6 | 1,345.0 | 1236 × 680 × 1916 | Top is 200mm shorter & 147.4kg lighter |
| CRATE-03 | Row 1 · Right | W3 2G (1156×958, 25 pcs, 706.0 kg) | W1 2G (1156×758, 25 pcs, 558.6 kg) | 50 | 1,264.6 | 1,345.0 | 1236 × 680 × 1916 | Top is 200mm shorter & 147.4kg lighter |
| CRATE-04 | Row 2 · Left | W3 2G (1156×958, 25 pcs, 706.0 kg) | W1 2G (1156×758, 25 pcs, 558.6 kg) | 50 | 1,264.6 | 1,345.0 | 1236 × 680 × 1916 | Top is 200mm shorter & 147.4kg lighter |
| CRATE-05 | Row 2 · Center | W2 2G (1156×858, 25 pcs, 632.3 kg) | W2 1S (1098×798, 25 pcs, 558.6 kg) | 50 | 1,190.9 | 1,270.0 | 1236 × 680 × 1856 | Top is 58mm narrower, 60mm shorter, 73.7kg lighter |
| CRATE-06 | Row 2 · Right | W2 2G (1156×858, 25 pcs, 632.3 kg) | W2 1S (1098×798, 25 pcs, 558.6 kg) | 50 | 1,190.9 | 1,270.0 | 1236 × 680 × 1856 | Top is 58mm narrower, 60mm shorter, 73.7kg lighter |
| CRATE-L01 | Row 3 · Left | W4 3MS (1943×812, 20 pcs, 804.6 kg) | W3 1S (1098×898, 25 pcs, 628.6 kg) | 45 | 1,433.2 | 1,520.0 | 2025 × 680 × 1910 | Top is 845mm shorter in length & 176.0kg lighter |
| CRATE-L02 | Row 3 · Center | W5 2-MS (1945×812, 20 pcs, 805.5 kg) | W3 1S (1098×898, 25 pcs, 628.6 kg) | 45 | 1,434.1 | 1,521.0 | 2025 × 680 × 1910 | Top is 847mm shorter in length & 176.9kg lighter |
| CRATE-L03 | Row 3 · Right | W5 1G (2052×872, 20 pcs, 912.6 kg) | W4 1S(20, 465kg) + W4 2G(20, 372.7kg) | 60 | 1,750.3 | 1,840.0 | 2132 × 560 × 1910 | Dual upper sub-cells (1120+50+872=2042 < 2052mm), 837.7 < 912.6kg |
| CRATE-07 | Row 4 · Left | W2 2G (1156×858, 25 pcs, 632.3 kg) | W2 1S (1098×798, 25 pcs, 558.6 kg) | 50 | 1,190.9 | 1,270.0 | 1236 × 680 × 1856 | Top is 58mm narrower, 60mm shorter, 73.7kg lighter |
| CRATE-08 | Row 4 · Center | W3 1S (1098×898, 30 pcs, 754.3 kg) | W3 1S (1098×898, 20 pcs, 502.9 kg) | 50 | 1,257.2 | 1,338.0 | 1178 × 800 × 1996 | Stepped pyramid: Top has 10 fewer panes (240mm narrower, 251.4kg lighter) |
| CRATE-09 | Row 4 · Right | W2 2G (1156×858, 25 pcs, 632.3 kg) | W2 1S (1098×798, 25 pcs, 558.6 kg) | 50 | 1,190.9 | 1,270.0 | 1236 × 680 × 1856 | Mirrors CRATE-07; longitudinal CG -2.21%, lateral CG +4.0mm |
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