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KEYED NOTES: O <br />1. EXISTING PACKAGED ROOFTOP <br />UNIT WITH ELECTRIC HEAT TO REMAIN. <br />CLEAN/SERVICE/REPAIR UNIT AS <br />NECESSARY TO LIKE NEW CONDITION. RE -CONNECT <br />NEW DUCTWORK AS SHOWN ON <br />PLAN. CONNECT EXISING SUPPLY AIR SMOKE <br />DETECTOR FOR AUTOMATIC UNIT <br />SHUTDOWN AND CONNECT TO BUILDING FIRE ALARM <br />(IF APPLICABLE). RE -BALANCE AIR FLOWS TO VALUES AS FOLLOWS: <br />A) EXISTING 5 TON UNIT: <br />SUPPLY AIR: 1,650 <br />CFM <br />RETURN AIR: 1,330 <br />CFM <br />OUTSIDE AIR: 320 <br />CFM <br />B) EXISTING 4 TON UNIT: <br />SUPPLY AIR: 1,250 <br />CFM <br />RETURN AIR: 970 <br />CFM <br />OUTSIDE AIR: 280 <br />CFM <br />2. PROVIDE NEW BATHROOM EXHAUST FAN AND 6" 0 METAL EXHAUST DUCT TO ROOF <br />CAP. CONNECT FAN TO ROOM LIGHT SWITCH FOR SIMULTANEOUS OPERATION. <br />3. PROVIDE NEW DIGITAL 7-DAY TEMPERATURE CONTROLLER ON WALL WITH LOCKING <br />CLEAR PLASTIC COVER. MOUNT CONTROLLER MAX. 48" A.F.F. <br />4. PROVIDE 18x6 LOUVER LOW IN DOOR FOR RETURN AIR FROM THIS ROOM. <br />COORDINATE EXACT STYLE, FINISH, AND PLACEMENT WITH ARCH. <br />5. PROVIDE NEW GENERAL EXHAUST FAN AND 6" 0 METAL EXHAUST DUCT TO ROOF <br />CAP. CONNECT FAN TO SEPARATE WALL SWITCH FOR OPERATION AS NEEDED. <br />6. PROVIDE NEW EXHAUST FAN WITH EXPLOSION PROOF MOTOR AND 6" 0 METAL <br />EXHAUST DUCT TO ROOF CAP FOR GAS STORAGE ROOM. FAN SHALL RUN <br />CONTINUOUSLY IN OCCUPIED MODE. <br />;_"� MECHANICAL PLAN <br />M-1 I SCALE: 1/4" = 1'-0" NORTH <br />MECHANICAL LEGEND <br />AxB, ASUPPLY AIR DUCT, DIMENSION " A" SHOWN <br />AxB, A4 RETURN AIR DUCT, DIMENSION "A" SHOWN <br />FLEXIBLE DUCTWORK, SAME SIZE AS DIFFUSER NECK <br />---�- REFRIGERANT PIPING <br />CONDENSATE DRAIN PIPING <br />[Z—]® <br />SUPPLY AIR DIFFUSERS <br />RETURN AIR GRILLE <br />® <br />EXHAUST AIR GRILLE <br />�D <br />FIRE DAMPER <br />---jVD <br />VOLUME DAMPER <br />m <br />THERMOSTAT, 48" A.F.F. <br />ROOFTOP EXHAUST FAN <br />® CEILING EXHAUST FAN <br />HVAC EQUIPMENT TAG <br />CU ---DENOTES EQUIPMENT TYPE <br />1 -DENOTES EQUIPMENT NUMBER <br />AIR DEVICE TAG <br />RG-1 DENOTES DEVICE TYPE <br />6'�� -DENOTES NECK/FLEX DUCT SIZE <br />60 --DENOTES AIR FLOW (CFM) <br />DCH PROJECT NUMBER: 11-002 <br />m <br />U <br />Z <br />¢ <br />¢ <br />LP <br />N <br />¢ <br />Y <br />z <br />I <br />z <br />Z <br />V) <br />w <br />0 <br />w <br />N <br />0 <br />O <br />CV <br />F__ <br />c� <br />0- <br />O <br />U <br />ISSUE DATE <br />REVIEW <br />1 /27/11 <br />PERMIT <br />1/27/11 <br />_REV. <br />REV. <br />REV. <br />REV. <br />THESE DOCUMENTS, DESIGNS, NOTES, DETAILS AND <br />SPECIFICATIONS AND CONCEPTS ARE THE SOLE <br />PROPERTY OF FRAZE DESIGN, INC. AND SHALL NOT BE <br />REPRODUCED, RE —USED OR COPIED FOR OTHER <br />PROJECTS, IN WHOLE OR PART WITHOUT THE WRITTEN <br />CONSENT OF FRANK FRAZE, ARCHITECT, AIA. <br />ALL RIGHTS ARE RESERVED BY THE ARCHITECT IN <br />ACCORDANCE WITH U.S. COPYRIGHT AND PATENT <br />LAWS. UNAUTHORIZED REPRODUCTION WILL BE <br />PROSECUTED TO THE FULL EXTENT OF THE LAW. <br />0 <br />O <br />cV <br />O <br />O <br />Fri <br />O <br />W <br />H <br />evol <br />�0 <br />0 <br />a <br />O <br />W <br />�� <br />4-1 <br />U <br />�N <br />PROFESSIONAL SEAL <br />o�aoa�see®®�.�s <br />a® �kLEO!V off® <br />s <br />U • e, .15QoO� • � a <br />CJ °' <br />• LU <br />o <br />44 <br />Iv�� '°•••• �i <br />C, <br />VINCENT 't°°UINARDO <br />FLDRIDA P.E. #58009 <br />in <br />00 <br />t` <br />00 <br />� <br />M <br />00 <br />O <br />Z <br />N <br />� <br />U <br />aOO <br />V <br />W <br />ac� <br />V <br />M <br />i <br />00 <br />N <br />M <br />t` <br />N <br />t` <br />w <br />z <br />U <br />00 <br />M <br />N <br />M <br />W <br />U-i-i <br />� <br />0 <br />w <br />� <br />w <br />SHEET TITLE <br />MECHANICAL <br />PLANS <br />SHEET NUMBER <br />