11-50-017HVAC NOTES:
1• WORK IS LIMITED TO PROVIDE SUPPLY AND
EXHAUST FAN IN POWDER, RAG AND ELBOW
DUCT AS SHOWN. EXISTING ENVELOPE TO
REMAIN.
2. EXISTING 4TON SYSTEM PRESENTLY SERVING
RESIDENCE IS ADEQUATE TO HANDLE FRONT
ENTRANCE ADDITION (70 SQFT), DUCTWORK
AND REGISTERS TO REMAIN.
3. AHU CLOSET DOORS SHALL BE SOLID DOOR,
NO COMBUSTIBLE MATERIALS SHALL BE
PERMITTED WITHIN PLENUM. AHU ROOM. NO
PVC NOR WOOD.
4. PROVIDE M.V.D. AT EACH DUCT BRANCH.
5. CLEAN ALL EXISTING DUCTWORK AND REGISTERS.
6. WORK SHALL COMPLY WITH FBC 2007 AND
ADENDUMS
EXISTING
HVAC LEGEND
SYMBOL
DESCRIPTION
-0
SUPPLY CEILING DIFFUSER
FIRE DAMPER(S)
RETURN AIR GRILL (RAG)
SUPPLY DUCTWORK, INTERIOR
12X18
DIMENSIONS AS NOTED
8'D
SUPPLY/RETURN/EXHAUST
DUCTWORK, INTERIOR DIMENSIONS
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AS NOTED
CD
CEILING DIFFUSER
EF
EXHAUST FAN
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THERMOSTAT
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MANUAL VOLUME DAMPER
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(E)
EXISTING
POINT OF CONNECTION
HVAC DESIGN REQUI
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chkplot: 01/17/2011