Lower Sector Vehicle Gauge

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Legolash2o

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Hi,

Does anyone please have a good but short description of the LSVG please? On the Sectional Appendix it's typically where W6A has an Asterix (Y*).

If I'm correct, loading gauge refers to the top corners whereas the lower gauge refers to the bottom corners? What has an impact on lower gauge? ground signals?

Thanks in advance
 

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zwk500

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The LSVG is, I think, the section below the solebar. Loading Gauge refers to everything, if something's sticking out on the bogies it can be a problem. It's just normally the lower sector is fairly standard and it's only the top corners that are a problem with arch bridges.

The gauge of the lower sector is affected by Ground signals, speed signs, bridge parapets, platform walls and anything else that might get too close to the train.
 

zwk500

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The big problem is usually very old bridge "beams" close to the track most of the other stuff which is easier to address has got sorted over time.
I've known stacked shunt discs and speed restriction signs in the 6ft to get restrictions on temporary clearance forms.
 

Mag_seven

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I've known stacked shunt discs and speed restriction signs in the 6ft to get restrictions on temporary clearance forms.

I've had to arrange for the "straightening up" of small speed resection signs because they have been foul to gauge for new (and in some cases even existing) stock.
 

Legolash2o

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In case anyone is interested, here's a map of where LSVG is cleared (Sectional Appendix says Y and not Y*)
 

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