If the equipment is going to be based off of the same ceiling level, then you should use the same Reference Plane (or Level) to host them both. As I mentioned previously, Ducts must be associated with a Level, not a Reference Plane.
River Itchen. The River Itchen is a beautiful chalk stream which flows for approximately 28 miles from mid-Hampshire to Southampton.he source of the Itchen is situated in Cheriton, near Alresford, and flows down to the historic city of Winchester passing through nature reserve Winnall Moors, and Winchester City Mill.
Quick Answer. The Ganges River starts in the Himalayan mountains in India, in the state of Uttarakhand. The Ganges forms where the Bhagirathi River and the Alaknanda River meet. The waters in the Bhagirathi River come from ice melt from the Gangotri Glacier. After the confluence of the Bhagirathi River and the Alaknanda River, the Ganges River flows through a narrow canyon out of the Himalayas. The Ganges then winds through India, where it is joined by many tributaries.