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.
Originating in Hillsdale County, Michigan, the St. Joseph River flows southwest through Williams and Defiance counties in Ohio, and Dekalb and Allen counties in Indiana, to join with the St. Marys River at Fort Wayne to form the Maumee River.he Blanchard River is a tributary to the Auglaize River in the Maumee basin, draining over 770 square miles in northwestern Ohio. The river originates in Hardin County and flows northward to the City of Findlay, where it abruptly changes direction to flow due west.