Seomun Construction
하이랙창고 VNA(Very Narrow Aisle)구간은 삼방향지게차 운행구간으로서 주행안정성과 작업능률극대화(Digonal pass)를 위해서는 매우 엄격한 바닥평활도기준이 적용되어야 합니다. 바닥평활도기준은 VDMA, DM(TR34) 있으며 시공방법으로는 Ultraflat Grinding과 Long Strip이 있습니다.


| Figure B.4 The main prindple for the measurement of the curvature of a profile |
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| Top beam level (m) | Zslope (mm/m) | dz = Z x Zslope |
|---|---|---|
| 15 | 1,0 | Z x 1,0 mm/m |
| 10 | 1,5 | Z x 1,5 mm/m |
| up to 6 | 2,0 | Z x 2,0 mm/m |
| ※ Note : For beam levels >6m, interpolation is required as illustrated in fiqure B.1 | ||
| Distance between measurement l | Gap under straight line t |
|---|---|
| 1m | 2mm |
| 2m | 3mm |
| 3m | 4mm |
| 4m | 5mm |
| Figure B.3 Illustration for example - Fx |
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![]() Top beam level [m] |
| Floor classification |
MHE lift height | Property Ⅰ | Property Ⅱ | Property Ⅲ | |||||
|---|---|---|---|---|---|---|---|---|---|
| Wheel track up to 1.5m | Wheel track over 1.5m | ||||||||
| 95% | 100% | 95% | 100% | 95% | 100% | 95% | 100% | ||
| Superflat (SF) | Over 13m | 0.75 | 1.0 | 1.0 | 1.5 | 1.5 | 2.5 | 2.0 | 3.0 |
| Category 1 | 8-13m | 1.5 | 2.5 | 2.5 | 3.5 | 2.5 | 3.5 | 3.0 | 4.5 |
| Category 2 | Up to 8m | 2.5 | 4.0 | 3.25 | 5.0 | 3.5 | 5.0 | 4.0 | 6.0 |