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E <br />C <br />BAND OF <br />AS HANGEr, o i r mr <br />G90 GALVANIZED TRANSFER <br />AIR DUCT WITH LINER OR <br />NON-METAL DUCT EQUAL TO <br />MANVILLE SUPERDUCT <br />DUCTWORK SHALL MATCH <br />NECK SIZE OF GRILLE. <br />INSULATION WF <br />GALVANIZED RI <br />DUCT SHIELD <br />MIN. 12" LONG <br />NTS <br />ROUND DUCT HANGER DETAILS <br />18 GA. SLEEVE <br />ESCUTCHEON <br />NOT REQUIRED STD <br />IN CONCEALED ESCUTCHEON IN <br />SPACES FINISHED OR <br />EXPOSED AREAS <br />UL RATED INSULATED OR <br />FIRE SAFING UNINSULATED PIPE <br />WALL PENETRATION DETAIL <br />NTS <br />2" DUCT FL <br />AROUND <br />PERIMETEI <br />OF OPENI� <br />WALL <br />HANGER MUST NOT DEFORM DUCT SHAPE <br />DUCT <br />4UGE <br />ANIZED <br />L <br />TYPICAL NON -RATED WALL OPENING DETAIL <br />NTS <br />PROVIDE SUPPORTS AT <br />ALL FOUR CORNERS <br />OF AIR DEVICE <br />---------------- <br />i I <br />i <br />SEE DUCT CONTINUATION IF <br />INSTALLATION IS FOR <br />RETURN OR TRANSFER AIR <br />i <br />EQUAL TO NECK SIZE <br />i <br />i <br />r <br />T-BAR <br />IF REQUIRED <br />B ACOUSTICAL CEILING TILE <br />RETURN AIR OR HARD CEILING <br />DEVICE (SEE SCHEDULE) <br />1. PAINT INTERIOR OF RETURN AIR AND TRANSFER <br />AIR DUCTS BLACK WHERE USABLE FROM BELOW <br />RETURN AIR AND TRANSFER AIR GRILLE DETAIL <br />NTS <br />4 <br />�o <br />J N <br />LL I <br />—U <br />w <br />T �IA <br />�L <br />�� <br />N <br />J <br />od <br />H J <br />r= <br />od <br />c6 <br />a <br />oc co <br />V 12N <br />cca aN <br />o <br />c 2 o <br />UCn <br />— N <br />0 CO <br />U co <br />1 2 <br />DUCT ELBOWS <br />W � <br />R=1/2W <br />DUCTS W/ AIR VELOCITY UNDER 1,000 FPM <br />R=W <br />DUCTS W/ AIR VELOCITY OVER 1,000 FPM <br />AND ALL DUCTS UPSTREAM OF TERMINAL <br />UNITS - OTHERWISE PROVIDE TWO FULL <br />LENGTH TURNING VANES. <br />12"x12" ACCESS PANEL ON BOTTOM OF DUCT <br />UPSTREAM OF TURNING VANES. REQUIRED FOR <br />RETURN AND EXHAUST DUCTS <br />TURNING VANES <br />CHANGE OF DUCT SIZE <br />MAX. 15' <br />+ [:E" <br />TRANSITION <br />CONICAL SPIN -IN OR TRANSITION TO AT <br />LEAST 70% GREATER THAN AREA OF <br />SMALLER DUCT. SEE MAX. TRANSITION <br />ANGLE. <br />END TAP <br />DUCT FITTING REQUIREMENTS <br />FLEXIBLE DUCT <br />FLEX DUCT CLAMP <br />SPIN - IN FITTING <br />WITH VOLUME <br />DAMPER <br />SUPPLY <br />AIR <br />DUCT - <br />INSULATE SPIN - IN WITH <br />2" THICK INSULATION WITH <br />VAPOR BARRIER LEAVING <br />DAMPER OPERATOR <br />ACCESSIBLE <br />METAL GALV. <br />SADDLE <br />MIN.12" LONG <br />SUPPORT FROM <br />STRUCTURE ABOVE <br />AT 4'-0" INTERVALS <br />WIRE SUSPENSION <br />SYSTEM <br />MAX FLEXIBLE DUCT <br />RUN OUT SHALL NOT <br />EXCEED 6 FEET. <br />INSULATE BACK OF <br />DIFFUSER OR GRILLE <br />I I�I <br />CEILING LAY -IN TILE <br />FIXTURE WHERE APPLICABLE <br />AIR FLOW <br />DUCT/DIFFUSER LAYOUT DETAIL <br />NTS <br />OFFSETS BRANCH DUCT TAKEOFFS W/ MINIMUM PRESSURE <br />NOTE: OFFSETS (TO AVOID OBSTRUCTIONS) ARE REQUIRED BUT DROP <br />ARE NOT NECESSARILY SHOWN ON THE PLANS. <br />MAX. 15' <br />45' OR 90' <br />RADIUS ELBOWS <br />OBTAIN PRIOR APPROVAL FOR ALL <br />RETURN & EXHAUST LOCATIONS <br />'URNING VANES <br />-%,,LESS PANEL (TYPICAL) REQUIRED <br />FOR RETURN & EXHAUST DUCTS <br />eNOD�TESS THAN TWICE <br />THE DUCT AREA <br />R.,uima OR <br />RECTANGULAR <br />'D= 2W, BUT NOT MORE THAN 12" <br />(1/3W OK IF UNDER 3,000 FPM) <br />-i W I— <br />R=1/2W <br />DUCTS W/ AIR VELOCITY UNDER 1,000 FPM <br />R=W <br />DUCTS W/ AIR VELOCITY OVER 1,000 FPM AND <br />OUTDOOR CONDENSING UNIT FOR <br />DUCTLESS SPLIT SYSTEM <br />INSULATE SUCTION LINE WITH 2" <br />THICK FLEXIBLE ELASTOMERIC <br />INSULATION BY ARMACELL OR <br />APPROVED EQUAL. PROVIDE PVC <br />OR METAL JACKET. <br />ALUMINUM CAP (MATCH PARAPET CAP) <br />SEE ARCHITECTURAL PLANS FOR CURB/ROOF <br />FLASHING INSTALLATION. CURB AND <br />FLASHING BY ROOF CONTRACTOR. <br />ANCHOR PER MANUFACTURER'S <br />RECOMMENDATIONS TO STRUCTURAL <br />SUPPORT FRAMING. PROVIDE WITH <br />NEOPRENE GROMMETS IN FACTORY <br />MOUNTING HOLES TO SECURE UNIT <br />CONDENSING UNIT DETAIL <br />NTS <br />BE <br />RECTANGULAR AIR DUCT ROUND SUPPLY <br />AIR DUCT <br />TAKE -OFF DETAIL <br />CONTINUOUS <br />THREADED R( <br />ATTACH TO <br />STRUCTURE <br />RECTANGULAR DUCT <br />CONICAL SPIN -IN WASHER (TYP) <br />ROUND DUCT RUNOUT TO <br />SINGLE DIFFUSER OR GRILLE <br />OK ONLY ONLY <br />UNDER 1,500 <br />FPM LOCK -NUT (TYP) <br />THE FOLLOWING DUCT FITTINGS ARE CONSIDERED ACCEPTABLE. THE CONTRACTOR SHALL OBTAIN ENGINEER'S APPROVAL FOR OTHER FITTINGS PRIOR TO FABRICATION. ONLY FITTINGS WITH <br />EQUAL OR LOWER PRESSURE DROP WILL BE CONSIDERED. <br />3 <br />5 <br />NTS <br />Tnnnr�r unni�rnc� <br />NOTES: <br />1. USE TRAPEZE HANGERS FOR SUPPLY/RETURN/EXHAUST <br />DUCTS <br />2. MAXIMUM SPACING BETWEEN HANGER LOCATIONS <br />SHALL BE 8'-0" PER PAIR. <br />3. GALVANIZED SHEET METAL SHIELD. MINIMUM 16 GAGE <br />x12" LONG. <br />DUCT HANGER DETAIL <br />NTS <br />SHEET METAL <br />SHIELD <br />www.brph.com Copyright © 2014 <br />Architects, Engineers <br />2727 Paces Ferry Road I Bldg 1 1 Suite 1800 <br />Atlanta I Georgia 1 30339 <br />770-933-9242 1 770-933-9246 f <br />Offices in Melbourne, Orlando, West Palm <br />Beach, Atlanta, Charleston, Seattle <br />These plans are protected by Federal Copyright <br />protection. Unauthorized use may result in an <br />infringement action. <br />ISSUE FOR PERMIT AND CONSTRUCTION <br />REVISION 0 <br />r <br />In <br />M <br />M <br />J <br />J <br />U_ <br />~ <br />Uj <br />� <br />Z <br />J <br />0 <br />= <br />= <br />w <br />CO <br />G <br />W <br />N <br />,� <br />_ <br />W <br />w <br />> <br />.. j <br />�+ � <br />Q <br />W <br />m <br />N <br />-J <br />r <br />.•. s T O i <br />3737n 1 * — <br />'s PROFFESSIONAL <br />ARCH/ENGR OF RECORD <br />BEN TRANWICK <br />FL PE 37376 <br />DESIGNED BY <br />CEJ <br />DRAWN BY <br />CEJ <br />CHECKED BY <br />JST <br />PROJECT NUMBER <br />C06898.057.00 <br />DATE <br />05/22/14 <br />TITLE <br />MECHANICAL <br />DETAILS <br />DRAWING NO. <br />M501 <br />