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.
The Ashuelot River is located in southwestern New Hampshire. The river begins in. Washington, New Hampshire and flows south and west to the town of Hinsdale where it. enters the Connecticut River. The Ashuelot River flows for a total of 64 river miles prior to. entering the Connecticut River.