support were first place underneath to ensure the plywood wil not warp or sag

shis shows the S-bahn station below ground and the new yard level above

part of the yard is now screwed in place. Temporary track laid.

there will be another sheet of plywood to the right...

the last gaping hole ready to be closed over

trial mock up to see how things will fit and determine the exact position of the turntable.

the last big sheet of plywood has been cut and put in place. I only have 2 screws holding it in place until I know exactlye where to cut the hole for the turntable.