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Sleeper spacings
Bullhead used to be commonly laid at 24 per 60ft length or about 750mm.
Closer together over the 4 sleepers at each end of the panel.
On CWR track minimum spacing is 26 / length or 700mm.
General relays now are at 650mm or 28 / L
Heavy traffic routes and steel sleepers are laid at 30 / L or 600mm spacing
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