The dots are from unloaded library parts.
As to overlapping fills and linework you can use the consolidation commands under
Edit>Reshape> Unify, fill consolidation & Linework consolidation. The help menu>archicad help will take you to the sections of the manual that will explain these.
Erika
Architect, Consultant
MacBook Pro Retina, 15-inch Yosemite 2.8 GHz Intel Core i7 16 GB 1600 MHz DDR3
Mac OSX 10.11.1
AC5-18
Onuma System
"Implementing Successful Building Information Modeling"