02-830-072HANGER STRAPS: 1 "x 22 GAUGE,
SUPPORTED FROM STRUCTURE ABOVE,
(3) SHEET METAL SCREWS BELOW.
WRAP INSULATION: OVER-
LAP 4" MINIMUM, STAPLE
& TAPE FOR VAPOR SEAL
SIZES SHOWN
ARE FREE
AREA
SECURE INSULATION WITH
STICK -PINS AT 18" O.C.
AND ADHESIVE ON BOTTOM,
FOR DUCTS 24' AND
LARGER
I
TAPE AND MASTIC
OUTER JACKET
(TYPICAL)
MINIMUM RADIUS EQUAL TO
THE FLEX DUCT DIAMETER
24'
SPIN -IN FITTING: MAXIMUM
WITH SCOOP AND VERTICAL
DAMPER, EXCEPT IN DUCT RUN
GYP. BOARD CEIUNGS,
DAMPER IN NECK
ROUND 'SNAPLOCK' SHEET
METAL FOR RUN -OUTS
GREATER THAN 8', WITH
2" WRAP INSULATION. AN
APPROVED EQUAL IS
'SPIRO -PIPE'
ROUND "SNAPLOCK'
(FLEX ONLY IN
VERTICAL)
BAND CLAMP AND
THREE SHEET METAL
SCREWS THROUGH
HELIX OF FLEXIBLE
DUCT LINER
(TYPICAL)
FLEXIBLE DUCT:
INSULATED, ONLY
IN VERTICAL
WRAP INSULATION ABOVE CEILING DIFFUSER WITH OPPOSED BLADE
s FLEX DUCT TO BE SAME SIZE AS DIFFUSER NECK THE CEILING DIFFUSERS VOLUME DAMPER:
SET THROW AS SHOWN ON PLANS
SHEET METAL DUCT DETAIL
1. SHEET METAL DUCTS SHALL BE FABRICATED do INSTALLED PER THE LATEST EDITION OF SMACNA,
AND THE LOCAL ENERGY CODE WITH THE FOLLOWING CRITERIA BASED ON 4 FOOT SECTIONS.
DUCT SIZE DUCT MATERIAL HANGERS REINFORCEMENT
0 - 12' 26 GA FLAT 8' O.C. NONE
13 - 18' 24 GA BEAD 8' O.C. NONE
19 - 30' 24 GA BEADED 8' O.C. STANDING SEAM
31 - 48' 22 GA BEADED 6' O.C. STANDING 1' S.
49 - 54' 22 GA BEAD 6' O.C. STANDING 2' S., 20 GA
55 - 80' 20 GA CROSS -BREAK 5' O.C. STANDING 2" S.
84' + 20 GA CROSS -BREAK 5' O.C. STANDING SEAM, 20 GA
2, ALTERNATE INTERPRETATIONS OF SMACNA DUCT MATERIAL, HANGERS AND REINFORCEMENTS ARE
SUBJECT TO ENGINEER APPROVAL, AND REQUIRE SEPARATE SUBMITTAL OF THE ALTERNATES.
3. FLEXIBLE DUCT CONNECTORS SHALL BE PROVIDED WHERE SHOWN ON THE PLAN.
4. SUPPLY AIR DROPS FROM ROOFTOP UNITS SHALL TRANSITION FROM THE UNIT OPENING SIZE TO
SQUARE NECK ELBOWS, WITH SIZES AS SHOWN ON THE PLAN. IF TWO SUPPLY AIR DUCT RUNS
ARE AT THE UNIT, THEN TWO SEPARATE DROPS & ELBOWS SHALL BE PROVIDED.
5. RETURN AIR DROPS FROM THE ROOFTOP UNITS SHALL BE FULL SIZE OF THE UNIT OPENING.
6. ELBOWS SHALL BE SQUARE NECK (SAME IN OUT DIMENSION) WITH 2" DOUBLE THICKNESS
TURNING VANES.
7, OFFSETS SHALL NOT REDUCE THE FREE AREA, AND SHALL NOT EXCEED 30. A RADIUS HEEL
HEEL SHALL BE PROVIDED ON 30' OFFSETS. SMALLER OFFSETS SHALL BE MITERED AT BOTH
THE HEEL do THROAT.
8, TRANSITIONS SHALL NOT EXCEED 1:3 RATIO (4' TRANSITION PER FOOT SINGLE SIDED
TRANSITION, AND 8" PER FOOT DOUBLE SIDED TRANSITION),
9, INSULATION SHALL BE NFPA 90 APPROVED, WITH MINIMUM 4.2 R VALUE. WRAP INSULATION SHALL
BE 2" THICK WITH ALUMINUM FOIL FACING.
10. RECTANGULAR BRANCH CONNECTIONS SHALL BE 45' ENTRY TYPE PER SMACNA FIGURE 2 -10.
11. ROUND DUCT CONNECTIONS SHALL BE WITH 'METAL MANUFACTURING COMPANY" MSI -6 SPIN -IN
FITTINGS. WITH 90' SCOOP, DAMPER AND HANDLE. SPRAY PAINT LOCATIONS OF HANDLES.
12. FLEXIBLE DUCT SHALL INCLUDE AN INNER POLYETHYLENE LINER, A SPRING HELIX, 1 -1/4"
BLANKET INSULATION, A FOIL OUTER VAPOR BARRIER, AND BE UL -181 APPROVED.
13. ALL TAPE SHALL BE FASSON 0810 (NO SUBSTITUTIONS), SMACNA APPROVED.
14. SEAL ALL SUPPLY, RETURN do OUTSIDE AIR DUCTS IN THE CEILING PLENUM WITH TAPE AND MASTIC.
15. REFER TO SPECIFICATIONS FOR ADDITIONAL SEALING INFORMTION.
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BURGLAR BARS: 3/4'
6" OVER CENTERS,
WELDED TO FRAME &
EACH OTHER
OUTLINE OF SUPPLY
do RETURN AIR DUCTS
DUCT PENETRATION OF
BARS: NOTCH DROP FROM
ROOFTOP, SEAL WITH
"UNITED DUCT SEALER"
AND INSULATE BARS 6"
OUT WITH FLEXIBLE
FOAM INSULATION
SUPPORT FRAME FOR
BURGLAR BARS: MAY BE
PART OF CURB SUPPORT
OR MAY BE SEPARATE
FRAME.
FLEXIBLE CONNECTOR:
"DURO -DYNE" OR EQUAL
110ROOFFTrOP UNIT
■� �r{� ■ ■�i ■ ■ ■■ FACTORY
PLAN
�-
ROOFTOP UNIT
FACTORY
i i i I ROOF
'7 °�= 1•. =� °�^- = .= =r °r•1 P=P=P =�= \
STRUCTURAL STEEL
Q' SUPPORT FRAME
BENEATH ALL
SOPPY do RETURN SECTION PORTIONS OF THE
AIR DUCTWORK FACTORY CURB.
FACTORY CURB:
SEE DETAIL
SUPPLY AIR DUCT
z
I-
DISCONNECT SWITCH: BY
ELECTRICAL SUBCONTRACTOR
DO NOT MOUNT OVER
NAME PLATE
- RETURN AIR DUCT
ROOF
IRESTAT. 136'F
0 SECTION 4
RTU -2 + 3 ROOFTOP UNIT DETAIL
• ROOFTOP UNIT:
* FASTEN TO CURB WITH STRAP
* GASKET AND SILICONE
SEALING
• PRESSURE - TREATED
WOOD NAILER STRIP
CURB HEIGHT = 1
• FACTORY CURB: NRCA APPROVED,
18 GAGE, SQUARE WITHIN 1/8-
ON DIAGONAL MEASUREMENT, WITH
A MINIMUM OF 8" ABOVE TOP OF j
ROOF
CURB SET DIRECTLY ON STEEL '
HI
MECHANICAL. SUBCONTRACTOR SHALL
PROVIDE ITEMS NOTED WITH •
GENERAL CONTRACTOR SHALL
PROVIDE ITEMS NOTED WITH ••
"COUNTER FLASHING STRIP
++ 1' RIGID INSULATION
++ 3' CANT STRIP
** ROOFING
ROOF IN
•• METAL DECKING
STRUCTURAL SUPPORT FRAME
FOR UNIT do DECKING AT
FULL PERIMETER OF FACTORY
CURB
CURB DETAIL: ROOFTOP UNIT
1. MECHANICAL SUBCONTRACTOR SHALL FURNISH ROOF OPENING SIZES & LOCATIONS,
FOR STRUCTURAL SUPPORT FRAMING BY GENERAL CONTRACTOR.
2. THIS CURB DETAIL WILL ALLOW THE UNIT TO SLOPE WITH THE SLOPE OF THE
ROOF PITCH. THIS DETAIL CAN ONLY BE USED (A) IF THE CONDENSATE DRAIN
PAN OUTLET IS ON THE LOW SIDE OF THE UNIT, OR (B) IF THE CONDENSATE
DRAIN PAN IS NOT AFFECTED BY SLOPE. THIS DETAIL CAN NOT BE USED IF
THE CONDENSATE DRAIN CONNECTION IS ON THE HIGH SIDE OF THE UNIT.
3. REFER TO TYPICAL RTU MOUNTING DETAIL FOR BOLTING REQUIREMENTS
RN-2 + 3 BURGLAR BAR DETAIL
OUTSIDE AIR INTAKE
FAN
NO.
3/4" P -TRAP do
SERVICE
CFM
CONDENSATE DRAIN
ROOFTOP UNIT
r -T
I I
ROUTE AS INDICATED ON PLAN
MFR.
I I
I I
RETURN OPENING:
SUPPLY OPENING:
_ _ _ _ _
�F- - '-j' - -
14- 5/8'X11 -1/6"
13 -5/16 "X10 -3/4"
��
FULL SIZED DROP
800
0.15
1375
FULL SIZED DROP
v
II
ACME
PDU 11ORG
I
CONTROL CONDUIT: ROUTE
UP INSIDE THE
PROVIDE BURGLAR BARS
I ( I
L�-_ LL
CURB.
FOR ROOFTOP UNIT
1.0
ELECTRICAL
DATA
VOLTAGE
PLAN v
ROOF PENETRATION:
FAN MOTOR
H.P.
"PATE" PIPE SEAL
FACTORY CURB:
SEE DETAIL
SUPPLY AIR DUCT
z
I-
DISCONNECT SWITCH: BY
ELECTRICAL SUBCONTRACTOR
DO NOT MOUNT OVER
NAME PLATE
- RETURN AIR DUCT
ROOF
IRESTAT. 136'F
0 SECTION 4
RTU -2 + 3 ROOFTOP UNIT DETAIL
• ROOFTOP UNIT:
* FASTEN TO CURB WITH STRAP
* GASKET AND SILICONE
SEALING
• PRESSURE - TREATED
WOOD NAILER STRIP
CURB HEIGHT = 1
• FACTORY CURB: NRCA APPROVED,
18 GAGE, SQUARE WITHIN 1/8-
ON DIAGONAL MEASUREMENT, WITH
A MINIMUM OF 8" ABOVE TOP OF j
ROOF
CURB SET DIRECTLY ON STEEL '
HI
MECHANICAL. SUBCONTRACTOR SHALL
PROVIDE ITEMS NOTED WITH •
GENERAL CONTRACTOR SHALL
PROVIDE ITEMS NOTED WITH ••
"COUNTER FLASHING STRIP
++ 1' RIGID INSULATION
++ 3' CANT STRIP
** ROOFING
ROOF IN
•• METAL DECKING
STRUCTURAL SUPPORT FRAME
FOR UNIT do DECKING AT
FULL PERIMETER OF FACTORY
CURB
CURB DETAIL: ROOFTOP UNIT
1. MECHANICAL SUBCONTRACTOR SHALL FURNISH ROOF OPENING SIZES & LOCATIONS,
FOR STRUCTURAL SUPPORT FRAMING BY GENERAL CONTRACTOR.
2. THIS CURB DETAIL WILL ALLOW THE UNIT TO SLOPE WITH THE SLOPE OF THE
ROOF PITCH. THIS DETAIL CAN ONLY BE USED (A) IF THE CONDENSATE DRAIN
PAN OUTLET IS ON THE LOW SIDE OF THE UNIT, OR (B) IF THE CONDENSATE
DRAIN PAN IS NOT AFFECTED BY SLOPE. THIS DETAIL CAN NOT BE USED IF
THE CONDENSATE DRAIN CONNECTION IS ON THE HIGH SIDE OF THE UNIT.
3. REFER TO TYPICAL RTU MOUNTING DETAIL FOR BOLTING REQUIREMENTS
RTU -3 EQUIPMENT SCHEDULES
FiTU -3
FAN SCHEDULE
FAN
NO.
LOCATION
SERVICE
CFM
STATIC
PRESS.
IN.W.G.
RPM
OUTLET
VELOC.
FPM
TYPE
MFR.
MODEL
NO.
BHP
MOTOR
HP
VoIVPh /Hz
REMARKS
EF -2
ROOF
STM HOOD
800
0.15
1375
960
UPBLAST
ACME
PDU 11ORG
-
0.25
115/1/60
1,2,3
EXT STATIC PRESS
in. w.c.
1.0
ELECTRICAL
DATA
VOLTAGE
300
208V/30
FAN MOTOR
H.P.
.60
COMP. POWER
R.L.A.
18.6
COND. FAN
F.L.A.
2l.0
ELECT. HEAT
4.5KW
MCA/ FUSE
25/40
MISC. SYSTEM EFFICIENCY
SEER
10.5
WINTER OUTSIDE TEMP
ELECTRIC HEATER (KW) Q
ABOVE 35'F
9.0
31'F - 35'F
9.0
26'F - 30'F
9.0
21'F - 25F
13.0
16'F - 20'F
1. USE SOUD STATE CONTROLLER
11'F - 15F
21NTERLOCK FANS WITH THEIR RESPECTIVE ZONE A/C
13.0
I PROVIDE PRE - FABRICATED ROOF CURB, BACKDRAFT DAMPER, DISCONNECT AND BIRD SCREEN
4. FOR HOOD EXHAUST do SUPPLY FANS SEE SCHEDULE ON DWG M -501
RTU -3 EQUIPMENT SCHEDULES
FiTU -3
DESIGNATION
DESCRIPTION
MANUFACTURER:
TRANE
CFM NOTED
MODEL NUMBER
WCD048
14'0 CDt
CEILING DIFFUSER
DE3M DATA ff U-3
METALAIRE 5800 -6, STEEL
COOLING
COIL
COOLING CAPACITY
® 95'F
BTUH TOTAL
BTUH SENS
49,900
ENTERING AIR
DB /WB
80/67
LEAVING AIR
DB /WB
57/54
FAN SECTION
SUPPLY AIR
CFM
1600
OUTDOOR AIR
CFM
200
EXT STATIC PRESS
in. w.c.
1.0
ELECTRICAL
DATA
VOLTAGE
300
208V/30
FAN MOTOR
H.P.
.60
COMP. POWER
R.L.A.
18.6
COND. FAN
F.L.A.
2l.0
ELECT. HEAT
4.5KW
MCA/ FUSE
25/40
MISC. SYSTEM EFFICIENCY
SEER
10.5
WINTER OUTSIDE TEMP
ELECTRIC HEATER (KW) Q
ABOVE 35'F
9.0
31'F - 35'F
9.0
26'F - 30'F
9.0
21'F - 25F
13.0
16'F - 20'F
13.0
11'F - 15F
13.0
1'F - 10'F
13.0
QQ PROVIDE SINGLE POINT ELECTRICAL CONNECTION
Q EXTERNAL PRESSURE DROP INCLUDES THE FOLLOWING ITEMS:
DUCTWORK, FILTER, WET COIL, AND ELECTRIC HEATER.
THE PRESSURE DROP FOR THE WET COIL, FILTER AND ELECTRIC
HEATER FOR EACH ROOFTOP UNIT IS AS FOLLOWS:
RTU -3: 1.0"
O.A. CALCULATIONS
10 PERSONS AT 20 CFM = 200 CFM
36x2 SR1
140 CFM
48x2 SR2
280 CFM
PLENUM SLOT DIFFUSER SR1
LENGTH AND WIDTH NOTED 36X2
CFM NOTED 140
PLENUM SLOT DIFFUSER SR2
LENGTH AND WIDTH NOTED 48X2
CFM NOTED 280
22x22 W
AIR DISTRIBUTION
DESIGNATION
DESCRIPTION
LEGEND
SPECIFICATION
CFM NOTED
EXAMPLE
12X12 ER2
14'0 CDt
CEILING DIFFUSER
CD1
METALAIRE 5800 -6, STEEL
750 CFM
NECK DIAMETER NOTED
14 "0
STAMPED, LOUVERED, DROPPED CONE
Z
Z
CFM NOTED
750
CORE, 24 0X24', LAY -IN FRAME STYLE,
00
0 in
DAMPER AT SPIN -IN, OFF -WHITE COLOR
120 CD2
CEILING DIFFUSER
CD2
METALAIRE- 9000, ALUMINUM,
300 CFM
NECK DIAMETER NOTED
120
MODULAR, ADJUSTABLE(4) CORE,
CFM NOTED
300
LAY -IN FRAME STYLE, DAMPER
36x2 SR1
140 CFM
48x2 SR2
280 CFM
PLENUM SLOT DIFFUSER SR1
LENGTH AND WIDTH NOTED 36X2
CFM NOTED 140
PLENUM SLOT DIFFUSER SR2
LENGTH AND WIDTH NOTED 48X2
CFM NOTED 280
22x22 W
RLIURN GRILLE
RR1
1800 CFM
NECK SIZE NOTED
12X12
CFM NOTED
400
12X12 ER2
EXHAUST REGISTER
ER2
415 CFM
NECK SIZE NOTED
12X12
�
CFM NOTED
415
OB DAMPER AT NECK, OFF -WHITE COLOR
METALAIRE PD, STEEL SLOT DIFFUSER,
W /INTEGRAL STEEL BOOT PLENUM. 2 - ONE
INCH WIDE SLOTS, VERTICAL FLOW
METALAIRE PD, STEEL SLOT DIFFUSER,
W /INTEGRAL STEEL BOOT PLENUM. 2 - ONE
INCH WIDE SLOTS, VERTICAL FLOW
METALAIRE CC5, ALUMINUM,
CUBE CORE 1 /2x1 /2xGRID
OFF WHITE
METALAIRE RH -D, ALUMINUM,
LOUVERED CORE, OB DAMPER
SURFACE MOUNT FRAME STYLE
OFF -WHITE COLOR
18X12 DG DOOR GRILLE DG METALAIRE DG -DF, ALUMINUM
SIZE AS NOTED 18X12 DOOR GRILLE, SURFACE MOUNT
NOTES:
1. SIZES AND CFM SHOWN ON THE LEGEND ABOVE ARE FOR EXAMPLE ONLY. SEE PLAN
FOR ACTUAL SIZES AND CFM VALUES USED ON THIS PROJECT.
2. LOCATE ALL AIR DISTRIBUTION PER THE ARCHITECTURAL REFLECTED CEILING PLAN.
3. ALL CEILING DIFFUSERS SHALL BE FOUR -WAY THROW. WHERE THREE -WAY THROW IS
INDICATE ON THE PLAN, PROVIDE AN INTERNAL BAFFLE TO BLOCK THROW IN
DIRECTION NOT REQUIRED.
4. APPROVED MANUFACTURERS: CARNES, KRUEGER, METALAIRE, TITUS.
& ALL DIFFUSERS TO HAVE OPPOSED BLADE VOLUME DAMPERS.
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er"DRAWING NO.
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SHEET NO.
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DATE:
JUNE 17, 2002
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