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NOTE:
<br />SECURE UNITS TO ROOF
<br />STRUCTURE. PROVIDE NECESSARY
<br />TIE -DOWNS AS PER ALL APPLICABLE
<br />WIND CODES.
<br />RTU
<br />OA HOOD WITH
<br />MOTORIZED DAMPER.
<br />MANUFACTURER'S
<br />UNIT CURB,
<br />INSTALL AS PER
<br />ALL MANUFACTURER
<br />RECOMMENDATIONS.
<br />SECURE UNIT TO
<br />STRUCTURE PER
<br />ALL APPLICABLE
<br />WIND CODES.
<br />CONDENSATE DRAIN WITH P-TRAP.
<br />SLOPED TO NEAREST ROOF DRAIN.
<br />1 /4" STAINLESS
<br />STEEL CABLE
<br />(TYP. OF 4)
<br />1 /4" U BOLT
<br />W/NUTS AND
<br />WASHERS (TYP)
<br />1/2" EYE BOLT
<br />TIE TO STRUCTURE
<br />AS REQUIRED
<br />ROOF
<br />TYPICAL ROOFTOP UNIT DETAIL
<br />SCALE: N.T.S.
<br />1" MIN. ANGLE OVERLAPS
<br />ON WALL AND SIDES J
<br />BREAKAWAY DUCT
<br />CONNECTION TO
<br />SLEEVE. PLAIN "S"
<br />SUP ON EACH SIDE SLEEVE
<br />OF SLEEVE ---
<br />DUCT
<br />165" FUSIBLE LINK
<br />DAMPER FRAME
<br />ANGLE IRON SHALL
<br />NOT BE ANCHORED
<br />TO WALL
<br />ANGLE IRON J
<br />ON ALL SIDES
<br />CLEARANCE
<br />1/4" BOLTS OR 1/2" LONG
<br />WELDS -MIN. OF TWO
<br />FASTENING PER EDGE
<br />ACCESS DOOR
<br />DL
<br />FIRE RESISTANT
<br />SEALANT (TYP.)
<br />WALL THICKNESS VARIES
<br />SEE ARCH. PLANS
<br />FIRE DAMPER DETAIL
<br />SCALE: N.T.S.
<br />JOIST (TYP.)
<br />\AAA/"ZV
<br />REFER TO DUCT
<br />SIZE ON DRAWING CEILING
<br />18 GA. HANGER AIR DEVICE (TYP)
<br />SPIRAL STRAP (TYPE.)
<br />DUCT (TYP)
<br />EXPOSED DUCT HANGING DETAIL
<br />N.T.S. ELEVATION VIEW
<br />WALL SLEEVE
<br />DUCT DIMENSION (IN DIA.
<br />OR EITHER RECT.. DIM.)
<br />MINIMUM GAUGE
<br />0-12"
<br />26
<br />13"-30"
<br />24
<br />31 "-54"
<br />22
<br />55"-84"
<br />20
<br />85"-UP
<br />18
<br />ANGLE IRON & FASTENER DIMENSIONS
<br />LENGTH
<br />MIN. ANGLE SIZE
<br />FASTENER LOCATION
<br />0"-48"
<br />1-1/2" x 1-1 /2"
<br />8" ON CENTER
<br />49"-56"
<br />2" x 2"
<br />6" ON CENTER
<br />56"-UP
<br />2-1/2" x 2-1/2"
<br />6" ON CENTER
<br />NOTES:
<br />1. WHERE MANUFACTURER'S INSTALLATION INSTRUCTIONS EXCEED
<br />THE REQUIREMENTS OF THIS DETAIL. THEY SHALL BE FOLLOWED.
<br />2. FIRE DAMPER SHOWN - SMOKE DAMPER INSTALLATION IDENTICAL
<br />EXCEPT FOR DAMPER OPERATOR MECHANISM.
<br />3. VERTICAL DAMPER SHOWN - HORIZONTAL INSTALLATION SIMILAR
<br />EXCEPT WITH SPRING LOADED DAMPER.
<br />4. ASSEMBLY SHALL CARRY UL 555 LABEL
<br />5. FIRE DAMPERS SHALL BE FACTORY FABRICATED AIR TIGHT, NOT
<br />SEALED BY THE CONTRACTOR OR ON SIGHT.
<br />INTERNAL INSULATION
<br />WHERE REQUIRED. -
<br />ROOF CURB
<br />ATTACHED TO zi--�
<br />STRUCTURE WITH
<br />#12 SCREWS AT
<br />MIN. 4" O.C. -�
<br />ROOF OPENING
<br />GOOSENECK PAINT TO
<br />MATCH ROOF
<br />,---BIRD SCREEN W/
<br />REMOVABLE FLANGE
<br />(ENTIRE ASSEMBLY TO BE
<br />PAINTED TO MATCH ROOF)
<br />ter -FASTEN GOOSENECK TO
<br />CURB WITH MINIMUM THREE
<br />#12 SCREWS PER SIDE
<br />ROOF CONSTRUCTION,
<br />SEE ARCHITECTURAL
<br />DRAWINGS.
<br />-DUCT, SEE DRAWINGS
<br />FOR SIZES.
<br />DUCT THRU ROOF DETAIL
<br />SCALE: N.T.S.
<br />NOTE:
<br />MODULE WITH NEGATIVE
<br />STATIC PRESSURE.
<br />(H) MI
<br />1 INCI
<br />STATIC
<br />X=1/2 (H)
<br />(MINIMUM)
<br />DRAIN
<br />PLUG --,U
<br />TRAP D ETAI L
<br />SCALE: N.T.S.
<br />HANGER
<br />SUPPORTS
<br />SIZES
<br />SHOWN
<br />ARE
<br />FREE
<br />AREA
<br />GENERAL MECHANICAL NOTES
<br />1. THESE DRAWINGS ARE INTENDED TO BE SCHEMATIC AND DIAGRAMMATIC IN NATURE AND ARE NOT TO BE SCALED. REFER TO ACTUAL SITE LOCATIONS FOR PLACEMENT OF
<br />EQUIPMENT. THE CONTRACTOR SHALL NOTIFY THE OWNER OR OWNER'S REPRESENTATIVE IF THERE ARE SUBSTANTIAL DISCREPANCIES BETWEEN THESE CONTRACT DRAWINGS
<br />AND ACTUAL SITE CONDITIONS PRIOR TO CONTINUING WORK. CONTRACTOR SHALL MAINTAIN A RED MARKED SET AT ALL TIMES.
<br />2. THE CONTRACTOR SHALL VISIT THE JOB SITE AND BE FAMILIAR WITH EXISTING CONDITIONS PRIOR TO ORDERING OR FABRICATING ANY EQUIPMENT, DUCTWORK, ETC.. NO
<br />ALLOWANCES WILL BE MADE FOR THE CONTRACTOR'S UNFAMILIARITY WITH THE EXISTING JOB SITE AND CONDITIONS.
<br />3. THE CONTRACTOR IS RESPONSIBLE FOR ANY AND ALL DAMAGE TO OWNER AND LANDLORD'S PROPERTY DURING THE COURSE OF HIS CONSTRUCTION. THIS INCLUDES
<br />REPLACING DAMAGED CEILING TILES.
<br />4. THE CONTRACTOR IS RESPONSIBLE FOR INSURING THE INTEGRITY OF THE ROOF STRUCTURE.
<br />5. INSTALL ALL EQUIPMENT IN ACCORDANCE WITH THE MANUFACTURER'S RECOMMENDATIONS.
<br />6. ALL DUCT SIZES SHOWN ARE CLEAR INSIDE DIMENSIONS.
<br />7. PROVIDE TURNING VANES IN ALL RECTANGULAR AND SQUARE DUCT ELBOWS. INSTALL DUCT WORK IN ACCORDANCE WITH SMACNA GUIDELINES. PROVIDE HANGER AND DUCT
<br />WORK ACCESSORIES AS PER SMACNA RECOMMENDATIONS. PROVIDE BALANCING DAMPERS ON ALL BRANCH DUCT TAKE OFFS.
<br />8. ALL NEW DUCT WORK SHALL BE SHEET METAL AND HAVE A MINIMUM INSTALLED INSULATED "R" VALUE EQUAL TO 6.0
<br />9. WHERE DUCT IS VISIBLE THROUGH DIFFUSERS AND/OR GRILLES, IT SHALL BE PAINTED FLAT BLACK.
<br />10. ALL VOLUME DAMPERS SHALL BE INSTALLED IN AN ACCESSIBLE LOCATION OR AN ACCESS DOOR SHALL BE PROVIDED.
<br />11. ALL WORK SHALL BE PERFORMED IN ACCORDANCE WITH THE LATEST EDITIONS OF ASHRAE, SMACNA, FLORIDA BUILDING CODE -MECHANICAL, NFPA, EPA, AND GOVERNMENT
<br />REGULATIONS.
<br />12. CONTRACTOR SHALL COORDINATE WITH ARCHITECT LOCATION OF MAINTENANCE ACCESS PANELS WHERE REQUIRED.
<br />13. ALL NEW SUSPENDED CEILING DIFFUSERS SHALL BE TITUS MODEL TMS-A SUSPENDED CEILING DIFFUSER, 24"x24", MAX NC=30, WITH OPPOSED BLADE DAMPER, NECK SIZE
<br />& CFM AS LISTED ON DRAWINGS. COLOR SELECTION BY ARCHITECT/OWNER.
<br />14. ALL NEW SUSPENDED CEILING RETURN & EXHAUST GRILLES SHALL BE TITUS MODEL 350RL SUSPENDED CEILING GRILLES, 24"x24", MAX NC=30, WITH OPPOSED BLADE
<br />DAMPER, NECK SIZE & CFM AS LISTED ON DRAWINGS. COLOR SELECTION BY ARCHITECT/OWNER.
<br />15. ALL SIDEWALL DIFFUSERS SHALL BE TITUS MODEL 300FL REGISTERS, MAX NC=30, DOUBLE DEFLECTION, WITH OPPOSED BLADE DAMPER, SIZE & CFM AS LISTED ON
<br />DRAWINGS. COLOR SELECTION BY ARCHITECT/OWNER.
<br />16. ALL NEW SIDEWALL RETURN & TRANSFER GRILLES SHALL BE TITUS MODEL 355FL GRILLES, SLOPED BLADES, MAX NC=30, WITH OPPOSED BLADE DAMPER, SIZE & CFM AS
<br />LISTED ON DRAWINGS. COLOR SELECTION BY OWNER.
<br />17. PROVIDE MANUFACTURER'S SUPERVISED STARTUP AND FOUR HOURS OF TRAINING ON NEW AC EQUIPMENT, CONTROLS, AND OTHER NEW ITEMS. REVIEW OPERATING AND
<br />MAINTENANCE PROCEDURES WITH OWNER'S APPROPRIATE PERSONNEL. PROVIDE OWNER WITH THREE SETS OF WARRANTY, OPERATION AND MAINTENANCE INFORMATION IN A
<br />BINDER LABELED HVAC EQUIPMENT 0&M MANUAL.
<br />18. PROVIDE THE SERVICES OF AN AABC AND NEBB CERTIFIED TEST AND BALANCE AGENCY TO COMPLETELY BALANCE THE HVAC SYSTEMS. PROVIDE THREE SETS OF REPORTS TO
<br />THE OWNER (1 FOR THE ENGINEER). BALANCING SHALL BE COMPLETE PRIOR TO CEILING INSTALLATION. AFTER THE PROJECT RENOVATION AREA TEST AND BALANCE IS
<br />COMPLETE, THE TEST AND BALANCE COMPANY SHALL PROVIDE BUILDING PRESSURIZATION TESTING ON EACH OF THE MAIN ENTRY DOORS OF THE BUILDING AND RECORD THE
<br />BUILDING PRESSURIZATION. THE BUILDING SHALL BE OPERATE POSITIVELY PRESSURIZED (MINIMUM 0.02 INCHES W.G.) RELATIVE TO THE OUTDOOR PRESSURE.
<br />19. ALL MATERIALS REMOVED AND DISPOSED OF SHALL BE DONE IN ACCORDANCE WITH ALL APPLICABLE CODES.
<br />20. ALL EQUIPMENT PROVIDED AND INSTALLED SHALL CONFORM TO ALL APPLICABLE WIND CODES.
<br />COMPRESSION STRAP ON FLEXDUCT
<br />TO ENSURE AIRTIGHT JOINT
<br />MINIMUM 3 EQUIVALENT DUCT
<br />DIAMETERS OF STRAIGHT DUCT ON
<br />AIR TERMINAL INLET RECOMMENDED.
<br />INLET DUCT
<br />CONTROL BOX - /
<br />DAMPER SHAFT/ACTUATOR
<br />MINIMUM 48" OF STRAIGHT DUCT DOWNSTREAM
<br />UNIT BEFORE FIRST RUNOUT. INSIDE OF THE
<br />DUCT SHOULD BE EQUAL TO DISCHARGE SIZE.
<br />ELECTRIC HEATER
<br />CONTROL AREA
<br />VAV BOX D ETAI L
<br />N.T.S.
<br />DETAIL APPLIES TO CUT INSULATION TO PROPER
<br />RECTANGLE AND ROUND DUCT LENGTH TO AVOID
<br />STAPLE 2" FLANGE THEN COMPRESSION OF INSULATION
<br />TAPE OVER THE JOINT.
<br />ADD MASTIC TO PROVIDE 2" MINIMUM
<br />VAPOR -TIGHT SEAL. THICKNESS FLEXIBLE
<br />FIBERGLASS
<br />INSULATION, R>! 8.0
<br />l � -
<br />DUCT
<br />SEAL ALL DUCT -
<br />SEAMS AND JOINTS
<br />WITH HARDCAST (TYP.)
<br />NOTE
<br />SECURE INSULATION WITH WELDED STICK
<br />PINS ON DUCTWORK 24" AND LARGER.
<br />TYPICAL DUCT WRAPPING DETAIL
<br />SCALE: N.T.S.
<br />SPIN -IN FITTING:
<br />WITH AIR SCOOP &
<br />VOLUME DAMPER
<br />HANGER STRAP
<br />(TYPICAL)
<br />ROUND "SNAPLOCK" SHEET
<br />METAL FOR RUN -OUTS WITH
<br />INSULATION ® R=6.0
<br />SHEET METAL
<br />90' ELBOW
<br />�- L---------
<br />MINIMUM RADIUS EQUAL
<br />TO THE FLEX DUCT
<br />DIAMETER !
<br />SADDLE
<br />FLEXIBLE DUCT: INSULATED, DO NOT SAG OR
<br />KINK
<br />WRAP INSULATION ABOVE CEILING DIFFUSER AND
<br />PROVIDE CONTINUOUS VAPOR BARRIER FROM
<br />DUCT AROUND ENTIRE DIFFUSER. AIR DEVICE D ETAI L
<br />SCALE: N.T.S.
<br />NOTE
<br />1. HANGER SUPPORTS SHALL BE PER SMACNA AND APPLICABLE SPECIFICATIONS.
<br />2. ELBOWS SHALL BE SQUARE NECK (SAME IN AND OUT DIMENSION) WITH 2" DOUBLE THICKNESS
<br />TURNING VANES.
<br />3. OFFSETS SHALL NOT EXCEED 30 DEGREE ANGLE, AND SHALL NOT REDUCE THE FREE AREA OF THE
<br />DUCT.
<br />4. TRANSITIONS SHALL NOT EXCEED 1:3 RATIO (4" TRANSITION PER FOOT SINGLE SIDED TRANSITION, AND
<br />8" PER FOOT DOUBLE SIDED TRANSITION).
<br />5. RECTANGULAR BRANCH CONNECTIONS SHALL BE 45 DEGREE ENTRY TYPE, WITH METAL SLEEVE &
<br />CLINCH LOCK CONNECTION. ENTRY LENGTH SHALL BE 25% OF BRANCH DUCT WIDTH.
<br />6. ROUND BRANCH DUCT CONNECTIONS SHALL BE SPIN -IN FITTINGS, WITH AIR SCOOP, DAMPER AND
<br />HANDLE.
<br />7. FLEXIBLE ROUND DUCT SHALL INCLUDE: BLANKET INSULATION AT A MINIMUM 6.0 R VALUE, AN
<br />ALUMINUM FOIL OUTER VAPOR BARRIER, AND BE UL-181 APPROVED.
<br />8. FLEXIBLE ROUND DUCT SHALL BE A MAXIMUM LENGTH OF 48" OR 105% OF THE DISTANCE BETWEEN
<br />THE TWO SHEET METAL DUCT CONNECTIONS, WHICHEVER IS LESS.
<br />DISCHARGE DUCT
<br />STRAP HANGERS
<br />TRAPEZE HANGERS
<br />HANGER STRAPS
<br />TRAP OR
<br />ANGLE
<br />SCREWS
<br />ROD
<br />HANGER STRAP
<br />�
<br />LOAD RATED
<br />FASTENERS
<br />L -LOAD RATED
<br />FASTENERS
<br />STRAP
<br />50"DIA. MAX.
<br />ATTACHMENT
<br />24" DIA. MAX.
<br />BAND OF SAME
<br />HANGER
<br />SIZE AS HANGER
<br />RODS
<br />STRAP
<br />HANGER NUTS (TYP.)
<br />RODS OR
<br />STRAP
<br />DUCT
<br />HANGER D ETAI L ANGLE IRON (TYP.)
<br />SCALE: N.T.S.
<br />MAXIMUM
<br />PAIR AT 10'
<br />PAIR AT 8'
<br />PAIR AT 5'
<br />PAIR AT 4'
<br />HALF OF
<br />SPACING
<br />SPACING
<br />SPACING
<br />SPACING
<br />DUCT
<br />STRAP
<br />RODE
<br />STRAP
<br />RODE
<br />STRAP
<br />RODE
<br />STRAP
<br />RODE
<br />PERIMETER
<br />WIRE
<br />WIRE
<br />WIRE
<br />WIRE
<br />30"
<br />1 "x22 GA.
<br />10 GA"
<br />(0.135
<br />1 "x22 GA.
<br />10 GA »
<br />(0.135
<br />1 "x22 GA.
<br />12 GAS
<br />(0.106
<br />1 "x22 GA.
<br />12 GA"
<br />(0.106 )
<br />- 72"
<br />1 "x 18 GA.
<br />3/8"
<br />1 "x20 GA.
<br />1 /4"
<br />1 "x22 GA.
<br />1 /4"
<br />1 "x22 GA.
<br />1 /4"
<br />P = 96"
<br />1 "x16 GA.
<br />3/8"
<br />1 "x18 GA.
<br />3/8"
<br />1 "x20 GA.
<br />3/8"
<br />1 "x22 GA.
<br />1 /4"
<br />- 120"
<br />1.5"x 16 GA.
<br />1/2"
<br />1 "x 16 GA.
<br />3/8"
<br />1 "x 18 GA.
<br />3/8"
<br />1 "x20 GA.
<br />1 /4"
<br />= 168"
<br />2
<br />1.5"x 16 GA.
<br />1/2"
<br />1.5"x 16 GA
<br />1/2"
<br />1 "x 16 GA.
<br />3/8"
<br />1 "x 18 GA.
<br />3/8"
<br />-- - 192"
<br />---
<br />1/2"
<br />1.5"x16 GA
<br />1/2"
<br />1"x16 GA.
<br />3/8"
<br />1"x16 GA.
<br />3/8"
<br />193"
<br />UP
<br />SPECIAL ANALYSIS REQUIRED
<br />WHEN STRAPS ARE LAP JOINED
<br />SINGLE HANGER MAXIMUM ALLOWABLE LOAD
<br />USE THESE MINIMUM FASTENERS:
<br />STRAP WIRE OR ROD (DIA)
<br />1 "x 18, 20, 22 GA. - TWO
<br />1 " 22 GA. - 260 LBS. 0.106" - 80 LBS.
<br />#10 OR ONE 1 /4" BOLT
<br />1" 20 GA. - 320 LBS. 0.135" - 120 LBS.
<br />1 "x 16- TWO 1 /4" BOLT
<br />1" 18 GA. - 420 LBS. 0.162" - 160 LBS.
<br />1 "x 16- TWO 3/8" BOLT
<br />1" 16 GA. - 700 LBS. 1 /4" - 270 LBS.
<br />FASTENERS SHALL BE PLACED
<br />1.5" 16 GA. - 1100 LBS. 3/8" - 680 LBS.
<br />N SERIES NOT SIDE BY SIDE
<br />1/2" - 1250 LBS.
<br />5/8" - 2000 LBS.
<br />3/4" - 3000 LBS.
<br />NOTES:
<br />1. DIMENSIONS OTHER THAN GAUGE ARE IN INCHES.
<br />2. TABLES ALLOW FOR DUCT WEIGHT, 1 LB./SF. INSULATION WEIGHT AND NORMAL
<br />REINFORCEMENT AND TRAPEZE WEIGHT, BUT NO EXTERNAL LOADS.
<br />3. STRAPS ARE GALVANIZED STEEL; OTHER MATERIALS ARE UNCOATED STEEL.
<br />4. ALLOWABLE LOADS FOR P/2 ASSUME THAT DUCTS ARE 16 GA. MAX., EXCEPT THAT WHEN
<br />MAX. DUCT DIMENSION (W) IS OVER 60" THEN P/2 MAX. IS 1.25 W.
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<br />wbon 102 of The copyright ad 17 u e.c. se
<br />amended Dearnber 1990 end known"emhi"cWrsl
<br />works mpyoght pm"cbon act of 19% The
<br />pm0ecbm includes but n not km-"d m u" Neae9
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<br />spec" and element. of the design under such
<br />prabekm, unsudtmzW u" of these plans. work a
<br />hmte mpeean"d. can Ugady result m But c"wdm
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<br />monetary mmpanwbm" URBANcRDEPYbur" sic
<br />Fkelds "giebabm AA26DO2460.
<br />ISSUE DATE
<br />09/21 /2020
<br />REVISIONS
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<br />MN
<br />DATE:
<br />11 /13/2020
<br />DRWN:
<br />S.J.M.
<br />CHKD:
<br />S.J.M.
<br />SCALE:
<br />N.T.S.
<br />SHEET NUMBER
<br />M�4
<br />
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