KEYED NOTES REMOVE EXHAUST GRILLE. INSTALL NEW 12X12 NECK, 24X24 PANEL EXHAUST GRILLE WITH OBD, 210 CFM. POSITION TO MATCH CEILING GRID. REMOVE EXISTING CEILING DIFFUSER. PROVIDE NEW 12" NECK, 24X24 PANEL, 12" FLEX RUNOUT POSITIONED IN NEW CEILING GRID. DRYER WALL CAP. CORE WALL AS REQUIRED FOR SAFE AND CLEAN INSTALLATION SEAL AROUND DUCT WITH DOW 795 SEALANT AND BACKER ROD. DRYER EXHAUST DUCT DOWN IN WALL, TRANSITION TO DRYER, (STACKED WASHER/DRYER), PROVIDE CLEANOUT IN LOW POINT OF DUCT. COORDINATE WITH PLUMBING. ROUTE DRYER DUCT IMMEDIATELY ABOVE NEW CEILING (BELOW EQUIPMENT PLATFORM ABOVE.)
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%%ULEGEND AND ABBREVIATIONS
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DIAMETER
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DUCTWORK TO REMAIN
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DUCTWORK TO BE REMOVED
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OBD
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OPPOSED BLADE DAMPER
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MECHANICAL GENERAL NOTES 1. WORK SHALL COMPLY WITH THE FOLLOWING AGENCIES: WORK SHALL COMPLY WITH THE FOLLOWING AGENCIES: - 2009 INTERNATIONAL BUILDING CODE 2009 INTERNATIONAL BUILDING CODE - 2009 INTERNATIONAL MECHANICAL CODE 2009 INTERNATIONAL MECHANICAL CODE - 2009 INTERNATIONAL FUEL GAS CODE 2009 INTERNATIONAL FUEL GAS CODE - NATIONAL FIRE PROTECTION AGENCY (NFPA) NATIONAL FIRE PROTECTION AGENCY (NFPA) - AMERICAN SOCIETY OF HEATING AND REFRIGERATION ENGINEERS (ASHRAE) AMERICAN SOCIETY OF HEATING AND REFRIGERATION ENGINEERS (ASHRAE) 2. ALL DUCTWORK SHALL BE GALVANIZED METAL CONSTRUCTION. COORDINATE ROUTING WITH OTHER TRADES PRIOR TO INSTALLATION ALL DUCTWORK SHALL BE GALVANIZED METAL CONSTRUCTION. COORDINATE ROUTING WITH OTHER TRADES PRIOR TO INSTALLATION TO AVOID CONFLICTS 3. VERIFY COLLAR SIZES ON AIR TERMINALS, EQUIPMENT INLETS AND OUTLETS, TRANSITION DUCTWORK AS NECESSARY. EXTERNALLY VERIFY COLLAR SIZES ON AIR TERMINALS, EQUIPMENT INLETS AND OUTLETS, TRANSITION DUCTWORK AS NECESSARY. EXTERNALLY INSULATE ALL TRANSITIONS AT EQUIPMENT CONNECTIONS. 4. ALL ROUND FLEXIBLE DUCT TO BE FACTORY PRE-INSULATED WITH CORRUGATED ALUMINUM LINER. MAXIMUM LENGTH OF ANY ALL ROUND FLEXIBLE DUCT TO BE FACTORY PRE-INSULATED WITH CORRUGATED ALUMINUM LINER. MAXIMUM LENGTH OF ANY FLEXIBLE DUCT RUNOUT TO BE 6'-0”. WHERE LENGTH REQUIRED EXCEEDS 6'-0”, INSTALL EXTERNALLY INSULATED ROUND . WHERE LENGTH REQUIRED EXCEEDS 6'-0”, INSTALL EXTERNALLY INSULATED ROUND , INSTALL EXTERNALLY INSULATED ROUND SNAPLOCK DUCT FOR BALANCE OF DISTANCE TO SPIN-IN TAP AT MAIN TRUNK DUCT. 5. EXHAUST AIR DUCTWORK TO BE SINGLE WALL, GALVANIZED STEEL, LOW PRESSURE ROUND, SMACNA STATIC PRESSURE EXHAUST AIR DUCTWORK TO BE SINGLE WALL, GALVANIZED STEEL, LOW PRESSURE ROUND, SMACNA STATIC PRESSURE CLASS 1” W.G. SEAL CLASS “B”, NO INSULATION. W.G. SEAL CLASS “B”, NO INSULATION. B”, NO INSULATION. , NO INSULATION. 6. ALL DUCT JOINTS AND SEAMS SHALL BE BRUSHED WITH A COAT OF DUCT SEALER EQUAL TO RCD-8. ALL DUCT JOINTS AND SEAMS SHALL BE BRUSHED WITH A COAT OF DUCT SEALER EQUAL TO RCD-8. 7. SUPPLY AIR DIFFUSERS MUST BE COMPATIBLE WITH THE CEILING GRID. SEE REFLECTED CEILING PLANS FOR EXACT LOCATIONS OF SUPPLY AIR DIFFUSERS MUST BE COMPATIBLE WITH THE CEILING GRID. SEE REFLECTED CEILING PLANS FOR EXACT LOCATIONS OF ALL LIGHTING AND OTHER CEILING ELEMENTS. 8. SUBMIT MANUFACTURER'S DATA ON OUTLETS AND INLETS INCLUDING THE FOLLOWING: SUBMIT MANUFACTURER'S DATA ON OUTLETS AND INLETS INCLUDING THE FOLLOWING: a. SCHEDULE OF OUTLETS AND INLETS INDICATING DRAWING DESIGNATION, ROOM LOCATION, NUMBER FURNISHED, MODEL SCHEDULE OF OUTLETS AND INLETS INDICATING DRAWING DESIGNATION, ROOM LOCATION, NUMBER FURNISHED, MODEL NUMBER, SIZE, AND ACCESSORIES FURNISHED. b. DATA SHEET FOR EACH TYPE OF OUTLETS AND INLET, AND ACCESSORY FURNISHED; INDICATING CONSTRUCTION, FINISH, AND DATA SHEET FOR EACH TYPE OF OUTLETS AND INLET, AND ACCESSORY FURNISHED; INDICATING CONSTRUCTION, FINISH, AND MOUNTING DETAILS. c. PERFORMANCE DATA FOR EACH TYPE OF OUTLET AND INLET FURNISHED, INCLUDING ASPIRATION ABILITY, TEMPERATURE AND PERFORMANCE DATA FOR EACH TYPE OF OUTLET AND INLET FURNISHED, INCLUDING ASPIRATION ABILITY, TEMPERATURE AND VELOCITY TRAVERSES, THROW AND DROP, AND NOISE CRITERIA RATINGS. INDICATE SELECTIONS ON DATA. 9. SUPPLY DIFFUSERS AND EXHAUST REGISTERS SHALL BE ALUMINUM CONSTRUCTION WITH INTEGRAL ALUMINUM OPPOSED BLADE SUPPLY DIFFUSERS AND EXHAUST REGISTERS SHALL BE ALUMINUM CONSTRUCTION WITH INTEGRAL ALUMINUM OPPOSED BLADE DAMPER (ADJUSTABLE FROM DEVICE FACE). FINISH: WHITE BAKED ON ENAMEL SUITABLE FOR FIELD PAINTING. 10. CEILING SUPPLY DIFFUSERS SHALL BE FIXED LOUVER FACE WITH REMOVABLE CORE. PROVIDE BEVELED TRIM FOR SURFACE CEILING SUPPLY DIFFUSERS SHALL BE FIXED LOUVER FACE WITH REMOVABLE CORE. PROVIDE BEVELED TRIM FOR SURFACE MOUNTING OR WHEN INSTALLED WITHOUT A CEILING OR EXTENDED PANEL STYLE FOR LAYING INTO T-BAR CEILING. 11. ALUMINUM CEILING RETURN GRILLES AND EXHAUST REGISTERS: FIXED BLADE: STATIONARY DEFLECTING VANES, HORIZONTAL TO ALUMINUM CEILING RETURN GRILLES AND EXHAUST REGISTERS: FIXED BLADE: STATIONARY DEFLECTING VANES, HORIZONTAL TO LONG DIMENSION 30 _ 45 DEGREE BLADE ANGLE ON 3/4"CENTERS, 24” BY 24” EXTENDED PANEL. PROVIDE FOR FILTER BACK BY 24” EXTENDED PANEL. PROVIDE FOR FILTER BACK EXTENDED PANEL. PROVIDE FOR FILTER BACK APPLICATION WHERE REQUIRED. 12. INSULATE THE BACK OF ALL CEILING DIFFUSERS TO COVER ALL EXPOSED METAL WITH 1/2" THICKNESS OF "NO_DRIP" OR INSULATE THE BACK OF ALL CEILING DIFFUSERS TO COVER ALL EXPOSED METAL WITH 1/2" THICKNESS OF "NO_DRIP" OR "ARMAFLEX" TAPE OR SHEET INSULATION INSTALLED PER MANUFACTURERS RECOMMENDATIONS. INSULATION SHAL BE PROVIDED WITH FLAME_SPREAD RATING OF 25 OR LESS, AND SMOKE_DEVELOPED RATING OF 50 OR LESS, AS TESTED BY ANSI/ASTM E 84 (NFPA 255) METHOD. 13. DROP FROM SUPPLY DUCT SHALL BE EXTERNALLY INSULATED DOWN TO DIFFUSER. IF NECESSARY, CUT INSULATION BACK TO DROP FROM SUPPLY DUCT SHALL BE EXTERNALLY INSULATED DOWN TO DIFFUSER. IF NECESSARY, CUT INSULATION BACK TO CLEAR OPERATION OF THE OPPOSED BLADE DAMPER AND REINSULATE ONLY THAT PORTION WITH EXTERNAL DUCT INSULATION. 14. TESTING AND BALANCING FIRM QUALIFICATIONS: ENGAGE A TAB FIRM CERTIFIED BY EITHER AABC OR NEBB. SUBMIT FINAL TESTING AND BALANCING FIRM QUALIFICATIONS: ENGAGE A TAB FIRM CERTIFIED BY EITHER AABC OR NEBB. SUBMIT FINAL REPORT PREPARED, INCLUDING VERIFICATION OF QUALIFICATIONS ON APPROVED FORMS CERTIFIED BY TAB FIRM.