This guy did the similar job to mine...
Only he could have avoided the middle stage with a bit of planning...
http://www.iceinspace.com.au/forum/s...ad.php?t=84067.
His intermediate azimuth stage (very nicely machined though) is not needed for EQ6 as it has a provision for azimuth adjustment (+/- 10° or so... (but could be useful for some other mount) if you position the galvanized screws properly prior to pouring concrete.
Plans for mounting plate is here:
http://www.iceinspace.com.au/forum/s...ad.php?t=52950