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2. <br />3 <br />4. <br />5. <br />R <br />1 DUCTWORK PLAN <br />1. 1 4 ®1 -0 <br />DRAWING NOTES <br />ALL DUCTWORK SHALL BE RUN BETWEEN OR THROUGH THE JOISTS UNLESS <br />NOTED OTHERWISE. DUCTWORK DESIGNATED WITH (B.J.) SHALL BE RUN BELOW <br />THE JOISTS. <br />DUCT SIZES SHOWN ARE INTERNAL FREE AREA DIMENSIONS UNLESS NOTED <br />OTHERWISE. <br />ALL SHEET METAL DUCTWORK SHALL BE EXTERNALLY INSULATED. INSULATION IS <br />NOT SHOWN FOR CLARITY. SEE MECHANICAL NOTES FOR INSULATION <br />REQUIREMENTS. <br />RETURN AIRFLOW VOLUME SHOWN ON PLAN IS FOR DUCTWORK SIZING <br />PURPOSES WHEN THE UNIT IS IN RECIRCULATION (UNOCCUPIED) MODE. <br />DIFFUSERS IN DINING ROOM ARE SPECIFIC TO THE DECOR PLAN SHOWN. <br />DIFFERENT CEILING LAYOUTS MAY REQUIRE A DIFFERENT DIFFUSER TYPES, <br />QUANTITIES, LOCATIONS AND FINISHES/COLORS. <br />PROVIDE SHEET METAL DUCT AT ALL DRAFTSTOP WALL PENETRATIONS (TYP.) <br />(WHERE REQUIRED BY CODE.) <br />KEYED NOTES <br />NEW SUPPLY DIFFUSER, S-2, REPLACING EXISTING DIFFUSER. NEW DIFFUSER <br />HAS BEEN RELOCATED FOR NEW CEILING AND LIGHTING. PROVIDE EXTENSION <br />M1 AND MODIFICATION TO EXISTING SUPPLY DUCTWORK AS REQUIRED. CONTRACTOR <br />TO FIELD VERIFY EXACT SIZE OF EXISTING NECK. BALANCE TO SPECIFIED CFM, <br />IF SHOWN, <br />NEW SUPPLY DIFFUSER, S-3, REPLACING EXISTING DIFFUSER. NEW DIFFUSER HAS <br />BEEN RELOCATED FOR NEW CEILING AND LIGHTING. PROVIDE EXTENSION AND <br />M2 MODIFICATION TO EXISTING SUPPLY DUCTWORK AS REQUIRED. CONTRACTOR TO <br />FIELD VERIFY EXACT SIZE OF EXISTING NECK. BALANCE TO SPECIFIED CFM, IF <br />SHOWN, <br />NEW RETURN GRILLE, R-1, REPLACING EXISTING GRILLE. NEW RETURN GRILLE HAS <br />[M:3] BEEN RELOCATED FOR NEW CEILING AND LIGHTING. PROVIDE EXTENSION AND <br />MODIFICATION TO EXISTING RETURN DUCTWORK AS REQUIRED. CONTRACTOR TO <br />FIELD VERIFY EXACT SIZE OF EXISTING NECK. <br />NEW EXHAUST GRILLE, E-1, REPLACING EXISTING GRILLE. NEW EXHAUST GRILLE <br />HAS BEEN RELOCATED FOR NEW CEILING AND LIGHTING. PROVIDE EXTENSION AND <br />M4 MODIFICATION TO EXISTING EXHAUST DUCTWORK AS REQUIRED. CONTRACTOR TO <br />FIELD VERIFY EXACT SIZE OF EXISTING NECK. BALANCE TO SPECIFIED CFM, IF <br />SHOWN, <br />PROVIDE MINIMUM 12"x4" TITUS 271 RS OR EQUIVALENT. TRANSFER GRILLE BEHIND <br />RMENU BOARDS. DO NOT PROVIDE TRANSFER GRILLES BY RESTROOM WALL. REFER <br />TO ELEVATION A-3.0 FOR LOCATIONS. FIELD VERIFY AND COORDINATE <br />REQUIREMENTS WITH MENU BOARD INSTALLER AND ARCH. <br />ALL DIFFUSERS, GRILLES, OR REGISTERS TO BE NEW WITH NEW CEILING <br />GRID. VERIFY WITH ARCH FOR EXACT LOCATIONS. MECHANICAL <br />CONTRACTOR TO REPLACE NOTED EXISTING AIR DEVICE. FIELD VERIFY <br />EXACT QUANTITY, LOCATION AND FUNCTIONALITY. GRILLE OR DIFFUSER TO <br />HAVE THE SAME SERVICE, SAME TYPE, MODULE SIZE, NECK SIZE, AND <br />CFM BALANCE. NEW GRILLES OR DIFFUSERS TO BE RELOCATED AS <br />NOTED. RECONNECT TO EXISTING SUPPLY/ RETURN DUCT. <br />z <br />O <br />LL <br />U <br />z <br />w <br />O <br />LA <br />> <br />W <br />uj <br />a <br />e <br />e <br />1 <br />1 <br />1 <br />0 <br />O <br />I <br />I <br />I <br />I <br />z <br />oL N <br />L 0 <br />z ®v Q 0 � <br />r- " C s <br />O C rnLo <br />Q aE:F c o o r o <br />(D <br />N L P7 <br />0-0 <br />O wV <br />O = <br />0 <br />C <br />W .Fi L C a) E <br />O_ 0 a)V T N O -tea+ O C O <br />(D=3 E (D:3 (D <br />0 00 A7_�C 1 U d <br />— -0 n vs ® = U) in to <br />V <br />G <br />M o <br />Y <br />0 <br />K <br />O <br />Z <br />Ned <br />Luat <br />(D <br />—tD <br />W OC <br />®o <br />J <br />~ <br />_ <br />t0 3 <br />3 <br />S <br />� <br />> <br />0 <br />LLI Uj <br />J <br />0 <br />o0- o <br />U <br />0. w z <br />��u� <br />wJ <br />z <br />? <br />V <br />m3� <br />=ov <br />x <br />�W <br />Ln <br />Lu <br />W <br />tn <br />W <br />N Urn <br />H <br />z <br />® <br />® o <br />- <br />z <br />O <br />� <br />a <br />� <br />00 <br />0 <br />O <br />LL <br />a <br />w <br />w <br />w <br />w <br />Q <br />13- <br />to <br />Y <br />® w <br />CC <br />—, oC <br />® <br />w <br />z w <br />V <br />O <br />� � <br />(-)0 <br />� <br />o <br />0 <br />O <br />I <br />N <br />— <br />w <br />Z <br />Z <br />q* <br />o <br />u <br />c <br />g <br />z <br />a <br />z <br />� � <br />a <br />o <br />�, <br />W <br />® <br />z <br />} <br />m <br />Q <br />ZO <br />v=i <br />U <br />w <br />0 <br />m <br />z <br />® <br />w <br />Q <br />o <br />0- <br />� <br />o <br />Q <br />® <br />z <br />X <br />SHEET NUMBER <br />1.2 <br />