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HIGH EFFICIENCY TAKEOFF EXTERNALLY <br />INSULATED WITH VOLUME DAMPER AND <br />DAMPER LOCK WITH EXTENSION <br />PROVIDE FULL SIZE HARD ELBOW <br />FOR TRANSITION TO VERTICAL—\ <br />DUCT SHOULD EXTEND STRAIGHT FOR SEVERAL <br />INCHES FROM A CONNECTION BEFORE BENDING. <br />5' LENGTH OF FLEX DUCT MAXIMUM PER BRANCH <br />DUCT TAKEOFF. <br />MAX. SAG 1/2" PER FOOT <br />OF SUPPORT SPACING INTERNAL DUCT <br />PRE -INSULATED FLEXIBLE INSULATION SEE <br />DUCT AS REQUIRED, SPECS. <br />INSTALL FULLY STRETCHED, INSULATED DUCT LOCKING TYPE <br />PERMANENTLY SEALED AND w000uo� o000000� STRAP <br />SUPPORTED TO PREVENT NYLON BAND OVER INSULATION METAL WIRE —_ <br />KINKING AND SHARP TURNS (TYPICAL) 1" MINIMUM <br />EXTERNAL DUCT BAND CLAMP <br />METAL BAND INSULATION <br />SEAL WITH MASTIC <br />OR TAPE <br />WORM GEAR <br />DRAWBAND <br />(TYPICAL) <br />CEILING �� �� SUPPLY AIR DIFFUSER <br />0iumiumou umi nuimoau /��� /� �--� �--1"MINIMUM TYPE C.D. SEE SPECS. <br />innnnnnarn nnnnnnalm METAL BAND <br />CEILING DIFFUSER <br />AS SCHEDULED — <br />CEILING <br />NOT USED <br />I N.T.S. <br />116 <br />LAY -IN CEILING DIFFUSER <br />I N.T.S. <br />115 <br />FLEXIBLE DUCTWORK SUPPORT <br />I N.T.S. <br />114 <br />SUPPLY DIFFUSER WITH ROUND <br />NECK INSULATION <br />IN.T.S. <br />113 <br />NOTES: <br />1. SEE "SMACNA" DUCT CONSTRUCTION <br />STANDARDS MANUAL <br />1 st ED. 1985, PAGE-2-28 FIG.-2- <br />LAPPED AND COMPRESSED <br />DUCT LINER <br />22 FOR FASTENER SPACING <br />MATERIAL SHEET METAL <br />DIMINSIONS. SEE PAGE 2-29 <br />LINER ADHERED TO THE <br />DUCT EXTERIOR <br />OF THIS STANDARD FOR <br />DUCT WITH 100% <br />FASTENER TYPE. <br />COVERAGE OF ADHESIVE <br />METAL NOSING AT ALL <br />TOP SECTION OF DUCT LINER <br />2. INTERNAL INSULATION SHALL <br />ATTACH METAL HOSING TO <br />INSULATION BEGINNING <br />POINTS, REGARDLESS OF <br />TO BE SUPPORTED BY LINER <br />EXTEND OUTWARD FROM DUCT <br />CORNER I <br />` v <br />DUCT W/ SCREWS, RIVETS, <br />VELOCITY, SUCH AS FAN <br />ON SIDE OF DUCT. <br />APPROXIMATELY 1/16" TO <br />INSURE THAT INSULATION <br />BREAK <br />I <br />WELDS <br />DISCHARGE, DOWNSTREAM <br />EDGES WILL BUTT WHEN <br />'4,c�0 *� <br />OF DAMPERS, COILS, ETC. <br />DUCT SECTIONS ARE JOINED. <br />\ <br />BUTT ALL JOINTS TIGHT <br />; S ',. m <br />AIR <br />AND SUPPLY 100%? <br />FLOW <br />COVERAGE OF ADHESIVE <br />" \ � <br />SEE SPECS. <br />"� �� <br />- - U <br />FASTENERS <br />INSULATION -SEE <br />NOSING REQ'D. ALL <br />ADHERE LINER TO DUCT WITH <br />^ <br />\` . <br />SPECS. FOR <br />THICKNESS <br />SIDESOFIN <br />TO BE SAME GAUGE DUCT <br />ADHESIVE AND PINS, SEE SPECS. <br />�<�\' <br />LONGITUDINAL <br />JOINT <br />INTERNAL INSULATION <br />SEE SPECIFICATIONS <br />F <br />g UPSTREAM TRANVERSE <br />EDGES TO BE COATED <br />WITH ADHESIVE, ALL <br />SIDES <br />NOT USED I N.T.S. 1 12 I TYPICAL SECTION THRU INTERNALLY LINED DUCT I N.T.S. l 11 l FLEXIBLE DUCT LINER INSTALLATION SCHEMATIC I N.T.S. 1 101 METAL NOSING AT INTERNALLY LINED DUCT I N.T.S. 1 g 1 <br />AIR <br />FLOW <br />:30' MAX. ON <br />CONTRACTING <br />FLOW(7" IN 12") <br />TRANSITION <br />NOTE: <br />SEE FIG. 2-9, <br />PG. 2-10, SMACNA <br />1 st ED., 1985 <br />FULL RADIUS (R=W) <br />OFFSET <br />NOTE: <br />SEE "SMACNA" DUCT MANUAL, <br />1st ED., 1985, FIG. 2-2 <br />PAGE 2-2 <br />W <br />DUCT CONNECTION FLANGE <br />GASKET <br />MOP ENDS OF INSULATION <br />W/ MASTIC BEFORE BUTTING <br />SECTIONS TOGETHER. SEE SPECS <br />DRIVE CLIP <br />- BOLTS AT EACH CORNER <br />/—SHEET METAL DUCT <br />��I � � �11~INSULATION <br />INSULATION SHALL EXTEND <br />PAST THE END OF SHEET METAL <br />DUCT THE FULL THICKNESS OF <br />THE DUCT FLANGE IN ORDER <br />FOR INSULATION SECTIONS TO <br />BUTT TOGETHER <br />NOT USED <br />N.T.S. <br />$ <br />TYPICAL DUCT TRANSITION AND OFFSET <br />N.T.S. <br />7 <br />TYPICAL RADIUS ELBOW <br />N.T.S. <br />6 <br />SCHEMATIC FLANGED DUCT CONNECTION <br />N.T.S. <br />I <br />5 <br />APPLY A BEAD OF <br />DUCT SEALER CAULK <br />TO TEE BEFORE <br />SPINNING TEE ONTO <br />DUCT <br />INTERNAL RECTANGULAR SEAL INSULATION <br />TO DUCT WITH <br />NON -FIRE <br />INSULATION SUPPLY AIR DUCT <br />MASTIC <br />RATED WALL <br />PROVIDE HANGER STRAPS <br />6"� OR RODS WITHIN 6" OF <br />AIR <br />ENDS OF ALL DUCT <br />FLOW <br />TERMINATIONS <br />�SHEET METAL SCREWS <br />° <br />TYPICAL DUCT BRANCH <br />INSULATION <br />SCREWS AS PER <br />CONICAL SPIN -IN GUARD <br />° HANGER STRAP DETAIL <br />TEE CONNECTOR <br />ON THESE DRAWINGS <br />DAMPER EXTERNAL <br />CEILING IN <br />INSULATION <br />FINISHED AREAS <br />DUCT WRAP CONICAL TEE BAND CLAMP <br />INSULATION <br />1-1/2" X 1-1/2" X 18 GA. DUCTWORK <br />EENT PLATE WALL COLLAR. <br />INSULATION 5' LENGTH OF CD <br />! 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