Make amGirder invisible in construction mode since it allows placing anywhere in fortress. Print "insufficient power" if placement was blocked due to that, to avoid confusing noobs.
AAAAtHicFc6xDsFQHIXxc3tv+48oHUw2kRKv4Am8hYjFC4hGYjuLwWRi6+QVDDazxGbpYpHYPEL1LL9845cVVsD9/BrdjR/Cju4Cv6oHSM8Ndk32sDL0gYVVzN5WQahyZJXlRNlUdIq/FLBb/KJAp44fFAjTcKBAMvFbCrR2fkmBdBbmFAgWjSngnm5EgfY96lE0f/hQ4A+Rki/Q