04-04-046REFERENCE NOTES:
01 EXISTING DUCT AND /OR EQUIPMENT TO REMAIN.
Q EXISTING DUCTWORK, AIR DEVICES AND /OR EQUIPMENT TO BE REMOVED.
Q EXISTING DUCTWORK TO BE CAPPED AND ABANDONED IN PLACE.
04 EXHAUST UP TO EF -1D ON ROOF. RE —USE EXISTING OPENING FOR NEW FAN.
05 REMOVE DIFFUSER AND FLEX DUCT UP TO SPIN IN ON MAIN TRUNK.
TYPICAL FOR RTU -2D MAIN SUPPLY DUCT AND RETURN DUCT.
6 R.A. DUCT UP TO RTU -4 ON ROOF.
0 EXISTING 54X20 R.A. DUCT UP TO RTU -2D ON ROOF.
® EXISTING 4BX18 S.A. DUCT UP TO RTU -2D ON ROOF.
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