Drawings - Mechanical 22037.pdf

MECHANICAL SYMBOLS LEGEND

HVAC PIPING SYMBOLSHVAC PIPING

HVAC DUCTWORK

SD

F/S

F/S s s

TEMPERATURE CONTROL SYMBOLS

M

P

M

H

S

T P T N

T

MISCELLANEOUS NOTES

HVAC DUCTWORK SYMBOLS HVAC DUCTWORK & DIFFUSER TAGS HVAC PIPING VALVES

CHILLED WATER SUPPLY

CHILLED WATER RETURN

CONDENSATE DRAIN

CONDENSER WATER SUPPLY

CONDENSER WATER RETURN

COOLING TOWER WATER SUPPLY

COOLING TOWER WATER RETURN

DIRECT EXPANSION

HEAT PUMP WATER SUPPLY

HEAT PUMP WATER RETURN

HEATING WATER SUPPLY

HEATING WATER RETURN

SUCTION (REFRIGERANT)

LIQUID (REFRIGERANT)

SUCTION (DIRECT EXPANSION)

LIQUID (DIRECT EXPANSION)

LOW PRESSURE STEAM (0-20 LBS.)

MEDIUM PRESSURE STEAM (21-75 LBS.)

HIGH PRESSURE STEAM (76 LBS. & ABV.)

STEAM CONDENSATE (GRAVITY)

PUMPED STEAM CONDENSATE

STEAM CONDENSATE BOILER FEED

GATE VALVE

GAS COCK

CHECK VALVE

BALANCE COCK

CIRCUIT SETTER

TWO-WAY CONTROL VALVE

THREE-WAY CONTROL VALVE

GLOBE VALVE

BALL VALVE

SOLENOID VALVE

EXPANSION VALVE WITH

THERMOSTATIC BULB

PLUG VALVE

BUTTERFLY VALVE

RELIEF VALVE

HOSE & DRAIN END VALVE

PRESSURE RELIEF VALVE

PRESSURE REDUCING VALVE

TRIPLE DUTY VALVE

GAS PRESSURE REGULATOR

STRAINER (BLOW-OFF)

FLOW DIRECTION

PIPING DROP

PIPING RISE

INLINE PIPING DROP

INLINE PIPING RISE

PIPING TEE

PIPING ELBOW

THERMOMETER

PUMP

UNION

PIPE ANCHOR

PIPE GUIDE

BACK FLOW PREVENTER

PIPE CAP

PIPE BREAK

THERMOMETER WELL

EXPANSION LOOP

EXPANSION COMPENSATOR

FLOAT & THERMOSTATIC STEAM TRAP

INVERTED BUCKET STEAM TRAP

THERMOSTAT

PROGRAMMABLE THERMOSTAT

THERMOSTAT (W/ NIGHT SETBACK)

ROOM SENSOR

HUMIDISTAT

PRESSURE GAUGE

DAMPER (ELECTRIC OPERATION)

DAMPER (PNEUMATIC OPERATION)

DAMPER BLADES

SUPPLY AIR DUCT

EXIST SUPPLY AIR DUCT

RETURN AIR DUCT

EXIST RETURN AIR DUCT

OUTSIDE AIR DUCT

EXIST OUTSIDE AIR DUCT

EXHAUST AIR DUCT

EXIST EXHAUST AIR DUCT

SUPPLY AIR DUCT RISER

RETURN AIR DUCT RISER

OUTSIDE AIR DUCT RISER (AS NOTED)

EXHAUST AIR DUCT

INSULATED DUCTWORK (AS NOTED)

SUPPLY AIR DIFFUSER (SQUARE)

SUPPLY AIR DIFFUSER (INLINE)

SURFACE MTD. GRILLE

SUPPLY AIR DIFFUSER (ROUND)

CONICAL TAKE-OFF

CONICAL TAKE-OFF W/ DAMPER

BALANCE DAMPER

RETURN AIR DUCT BOOT

ECCENTRIC REDUCER

CONCENTRIC REDUCER

VERTICAL FIRE DAMPER

HORIZONTAL FIRE DAMPER

VERTICAL SMOKE DAMPER

HORIZONTAL SMOKE DAMPER

VERTICAL FIRE / SMOKE DAMPER

HORIZONTAL FIRE / SMOKE DAMPER

DUCT SMOKE DETECTOR, INSTALLED BY M.T.C.,

PROVIDED & WIRED BY E.T.C.

UNIT HEATER

CEILING EXHAUST FAN

ROOF MOUNTED EXHAUST FAN

DEMOLITION

POINT OF CONNECTION BETWEEN NEW AND

EXISTING

POINT OF EXISTING TO REMAIN AND EXISTING

TO BE REMOVED

INDICATES PLAN NOTE

INDICATES DEMOLITION NOTE

DETAIL BUBBLE

DETAIL NUMBER

PAGE LOCATION INDICATES

DIRECTION OF DETAIL SECTION

X

X

XX

XXXX

XX

XXXX

SA

OA

X-OA

X-EA

EA

X-SA

X-RA

RA

SCP

SC

DXS

DXL

HR

CR

CD

CS

DX

CTR

HPR

HS

HPS

CTS

CWR

CWS

S

L

LPS

MPS

HPS

SC (BF)

TAG CFM

NECK REMARKS

SIZE

BT

FT

SD-1 250

8"ø ---

MECHANICAL ABBREVIATIONS

AFF ABOVE FINISH FLOOR

AC AIR COMPRESSOR

AHU AIR HANDLING UNIT

AS AIR SEPARATOR

A.T.C. ARCHITECTURAL TRADES CONTRACTOR

B BOILER

B.A.S. BUILDING AUTOMATION SYSTEM

CAF COMBUSTION AIR FAN

CC COOLING COIL

CFM CUBIC FEET PER MINUTE

CHLR CHILLER

CHP CONSOLE HEAT PUMP

CONV CONVECTOR

CT COOLING TOWER

CU CONDENSING UNIT

CUH CABINET UNIT HEATER

CV CONTROL VALVE

CWP CHILLED WATER PUMP

DB DRY BULB

DFU DUCT FURNACE

DIA DIAMETER

DN DOWN

DPR DAMPER

DS DUCT SILENCER

EAT ENTERING AIR TEMPERATURE

EF EXHAUST FAN

EG EXHAUST GRILLE

E.T.C. ELECTRICAL TRADES CONTRACTOR

EVR EVAPORATOR

EWT ENTERING WATER TEMPERATURE

EXH EXHAUST

EXIST EXISTING

FF FINISH FLOOR

FPM FEET PER MINUTE

FT FEET

FTR FINNED TUBE RADIATION

FU FURNACE

GAL GALLON

GFRH GAS FIRED RADIANT HEATER

GR GRILLE

H HUMIDIFIER

HC HEATING COIL

HD HEAD (FT)

HP HORSE POWER

HHP HORIZONTAL HEAT PUMP

HTG HEATING

HVAC HEATING, VENTILATION, & AIR CONDITIONING

HWP HEATING WATER PUMP

HX HEAT EXCHANGER

ID INSIDE DIAMETER

I.E. INVERT ELEVATION

IAH INTAKE HOOD

LAT LEAVING AIR TEMPERATURE

LH LATENT HEAT (MBH)

LWT LEAVING WATER TEMPERATURE

MAX MAXIMUM

MBH BTU PER HOUR (THOUSAND)

MIN MINIMUM

M.T.C. MECHANICAL TRADES CONTRACTOR

N.C. NOISE CRITERIA

NFPA NATIONAL FIRE PROTECTION ASSOCIATION

NTS NOT TO SCALE

P PUMP

PCR PUMPED CONDENSATE RETURN

PD PRESSURE DROP

RCP RADIANT CEILING PANEL

REQ'D REQUIRED

RG RETURN GRILLE

RH RELATIVE HUMIDITY

RLH RELIEF HOOD

RTU ROOF TOP UNIT

SD SUPPLY DIFFUSER

SF SUPPLY FAN

SG SUPPLY GRILLE

SH SENSIBLE HEAT (MBH)

SM SHEET METAL

SQ. FT. SQUARE FEET

SST SATURATED SUCTION TEMPERATURE

STR STRAINER

TC TOTAL COOLING (MBH)

TCL TEMPERATURE CONTROL

T&P TEMPERATURE & PRESSURE RELIEF VALVE

TYP TYPICAL

UH UNIT HEATER

VAV VARIABLE AIR VOLUME BOX

VRH VARIABLE AIR VOLUME REHEAT BOX

FPVAV FAN POWERED VARIABLE AIR VOLUME BOX

V.F.D VARIABLE FREQUENCY DRIVE

ZD ZONE DAMPER

X-SA EXISTING ITEM (EXISTING SUPPLY AIR DUCT)

ITEM

EXISTING

GENERAL HVAC NOTES

1. LOCATE EXHAUST OUTLETS OF PLUMBING VENTS AT LEAST 10

FEET FROM OUTDOOR AIR INTAKES.

2. NOTIFY OWNER OF ANY DEMOLITION THAT MAY AFFECT

NORMAL OPERATION OF OTHER AREAS.

3. PROVIDE BALANCE DAMPERS FOR EACH DIFFUSER/GRILLE

AND BRANCH DUCT.

4. PROVIDE FLEXIBLE DUCT IN ACCESSIBLE CEILINGS. 6 FT MAX

LENGTH. KEEP BENDS TO A MINIMUM.

5. PROVIDE 5 FT MIN BEFORE ANY DUCT TAKEOFF FOR

DUCTWORK DOWNSTREAM OF VAV BOXES.

6. PROVIDE 1 1/2 DUCT DIAMETERS MIN. DUCT LENGTH OF HIGH

PRESSURE BRANCH DUCTWORK ON THE UPSTREAM SIDE OF

VAV BOXES.

7. CONTRACTOR SHALL COORDINATE ALL WORK WITH OTHER

DISCIPLINES PRIOR TO CONSTRUCTION TO AVOID CONFLICTS.

8. THE CONTRACTOR SHALL FIELD VERIFY THE SIZES, LOCATION,

ELEVATIONS, AND DETAILS OF ALL EXISTING CONDITIONS

THAT MAY AFFECT THE WORK.

9. THE CONTRACTOR SHALL BE RESPONSIBLE FOR MAINTAINING

THE INTEGRITY OF ALL EQUIPMENT AND MATERIALS IN A "NEW"

CONDITION DURING CONSTRUCTION.

10. ALL WORK SHALL BE PERFORMED BY LICENSED

CONTRACTORS AND SUBCONTRACTORS AS REQUIRED BY

LAW.

11. ALL WORK SHALL CONFORM TO MICHIGAN MECHANICAL CODE,

LATEST APPLICABLE EDITION.

12. CONTRACTOR SHALL USE LOW PRESSURE LOSS DUCT

FITTINGS IN ACCORDANCE WITH SMACNA. (WYES, RADIUSED

OR VANED TEES, ETC.) DUCTWORK SHALL BE GALVANIZED

SHEET METAL, MIN. 26 GA.

13. ALL DUCT DIMENSIONS SHOWN ARE INSIDE CLEAR DIMENSION.

INCREASE DUCT SIZE FOR LINING.

14. LINE 10'-0" OF SUPPLY DUCTWORK AFTER EACH VAV BOX.

15. ALL EXTERNALLY ISOLATED HVAC EQUIPMENT SHALL HAVE

FLEXIBLE DUCT CONNECTORS.

16. ALL CONDENSATE DRAIN PIPING TO TERMINATE TO DRAIN VIA

AIR GAP.

17. IF THERE IS CONFLICTING INFORMATION IN THE PLANS OR

SPECIFICATIONS THE MORE STRINGENT AND GREATER COST

ITEM SHALL BE USED.

18. DRAWINGS INDICATE REQUIRED SIZES AND POINTS OF

TERMINATION OF PIPES AND DUCTS AND SUGGESTED ROUTES.

IT IS NOT INTENTION OF DRAWINGS TO INDICATE ALL

NECESSARY OFFSETS. INSTALL WORK IN MANNER TO

CONFORM TO STRUCTURE, AVOID OBSTRUCTIONS, PRESERVE

HEADROOM AND KEEP OPENINGS AND PASSAGEWAYS CLEAR.

DO NOT SCALE FROM DRAWINGS.

19. DX, VENT, GAS ROOF PENETRATIONS TO INCLUDE A CURB AND

CURB CAP. PATCH AND SEAL ROOF PENETRATIONS TO BE

WATER TIGHT.

20. ALL ROOF PENETRATIONS SHALL BE SEALED WATER TIGHT.

21. CONNECT ALL HVAC ALARM CONTACTS TO STARNET 2 SYSTEM

THRU ETHERNET CONTACT CLOSURE. CONNECT TO SECURITY

IT RACK WITH PURPLE CAT-6 CABLES(S) AS REQUIRED TO

CONNECT TO STARNET 2 SYSTEM. CONTRACTOR TO HIRE AND

COORDINATE CONNECTION TO SECURITY IT RACK WITH BRETT

EMERSON FROM COMMTECH DESIGN (PHONE 616-433-7210).

22. ALL FASTENERS USED IN AREAS EXPOSED TO INMATES SHALL

USE TAMPERPROOF SCREWS.

23. CONTRACTOR TO NOTIFY THE FACILITY AT LEAST 1 DAY IN

ADVANCE FOR ANY HOT WORK TO ALLOW THE OWNER TO

DISABLE THE FIRE ALARM.

24. CONTRACTOR TO PATCH AND PAINT EXISTING WALLS AS

NEEDED TO MATCH EXISTING WHERE DEMOLITION AND/OR

NEW WORK IS COMPLETED. REFER TO ARCHITECTURAL FOR

MORE DETAILS.

25. CONTRACTOR TO TRACK AND PROVIDE PAPERWORK TO

OWNER OF THE AMOUNT OF MATERIAL BEING RECYCLED

THROUGHOUT THE PROJECT.

26. ALL DUST & DEBRIS MUST BE CONTAINED WITHIN THE

CONSTRUCTION AREA VIA TARP AND SEAL. THE CONTRACTOR

SHALL SUPPLY TEMPORARY EXHAUST FANS, DUCTWORK,

AND HEPA FILTERS AS REQUIRED TO MAINTAIN A CLEAN AIR

ENVIRONMENT ADJACENT TO THE CONSTRUCTION AREA.

SILICA DUST MUST BE HANDLED/DISCARDED IN ACCORDANCE

WITH MIOSHA REQUIREMENTS.

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M -1

DEMOLITION NOTES

DISCONNECT, REMOVE, AND DEMO EXISTING

ABANDONED AIR CONDITIONER. DEMO ASSOCIATED

PIPING, CONTROLS, AND ALL ASSOCIATED

ACCESSORIES IN ITS ENTIRETY.

DISCONNECT, REMOVE, AND DEMO EXISTING UNIT

HEATER. DEMO ASSOCIATED GAS REGULATOR,

CONTROLS, COMBUSTION AIR / VENT PIPING, AND ALL

ASSOCIATED ACCESSORIES IN ITS ENTIRETY. DEMO

GAS PIPING BACK TO MAIN AND CAP. PATCH ROOF AS

REQUIRED TO MATCH EXISTING AND SEAL WATER

TIGHT.

DISCONNECT, REMOVE, AND SALVAGE EXISTING AIR

CONDITIONER. SALVAGED AIR CONDITIONER TO BE

TURNED OVER TO FACILITY UPON REMOVAL. PATCH

EXISTING WALL OPENING AS REQUIRED TO MATCH

EXISTING WALL. COORDINATE WITH ARCHITECTURAL

TRADES.

X-UH

X-UH

X-AC 1X-AC 1

X-SA

X-SD ---

X-SA

X-SD ---

X-RG ---

10x10 ---

X-RG ---

10x10 ---

X-RA

X-RA

T

X-RTU

X-AC 3

X-IT RACK

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N BUILDING 80 - PARTIAL FLOOR PLAN - HVAC DEMOLITION

SCALE: 3/16" = 1'-0"

10 5 10 13

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M -3

X-UH

X-SA

X-SD ---

X-SA

X-SD ---

X-RG ---

10x10 ---

X-RG ---

10x10 ---

X-RA

X-RA

T

X-RTU

X-IT RACK

RTU-1

(LOCATED ON ROOF)

VAV-1

DDC TOUCHSCREEN

CONTROL PANEL

20x12 SA UP TO RTU-1

24x14 RA UP

TO RTU-1

VAV-5

VAV-7

VAV-9

EF-1

(LOCATED

ON ROOF)

VAV-8

10x6 SA

VAV-4

VAV-7

SD-2 150

6"ø ---

RG-1 150

24x6 ---

SD-1 150

8"ø TYP. 3

RG-1 450

24x12 ---

SD-1 125

6"ø ---

RG-1 125

24x6 ---

SD-1 135

6"ø TYP. 3

RG-1 405

24x12 ---

RG-1 450

24x12 ---

SD-1 150

8"ø TYP. 3

SD-2 125

6"ø ---

SD-2 125

6"ø ---

RG-1 125

24x6 ---

SD-1 200

8"ø ---

SD-1 75

6"ø ---

EG-1 75

12x12 ---

SD-3 50

6"ø ---

10x10 EA

CUH-1

VAV-10

VAV-6

S

SD-1 100

6"ø ---

20x12 SA10x12 SA

10x6 SA

12x10 SA

8x10 SA

24x14 RA

24x14 RA

12x10 RA

12x10 RA

8x8 RA

16x14 RA

6x6 RA

10x10 SA

10x10 SA

8x10 SA

6x8 SA

14x8 SA10x8 SA

6x8 SA

6x8 SA

6x6 EA

EG-1 400

12x12 ---

10x10 EA

AC-1

T

DX PIPING

(LOCATED ON ROOF)

CU-1

(LOCATED ON ROOF)

3/4" CD

X-FD

6x8 SA

VAV-2

RG-1 125

24x6 ---

VAV-3

RG-1 125

24x6 ---

VAV-6

6x8 SA

VAV-8

VAV ACCESS

PANEL (TYP.)

10x6 SA

6x8 SA

SD-2 125

6"ø ---

SD-2 125

6"ø ---

VAV-4

RG-1 125

24x6 ---

S

S

S

S

S

S

S

S

S S

6x8 SA

6x8 SA

6x10 SA

6x10 SA

10x6 SA

8x14 RA

3/4" CD

CO

DX PIPING

12x10 RA

BAS

HVAC KEY NOTES

INSTALL NEW DDC TOUCHSCREEN CONTROL PANEL AT

LOCATION SHOWN PER MANUFACTURES INSTALLATION

INSTRUCTIONS.

INSTALL RETURN GRILLE AT LOCATION SHOWN. RETURN AIR

BRANCH DUCTWORK SIZE SHALL BE 10x10.

INSTALL RETURN GRILLE AT LOCATION SHOWN. RETURN AIR

BRANCH DUCTWORK SIZE SHALL BE 6x6.

INSTALL WALL MOUNTED AIR CONDITIONER AT LOCATION

SHOWN. INSTALL TOP OF AIR CONDITIONER 1' BELOW CEILING.

INSTALL PER MANUFACTURES INSTALLATION INSTRUCTIONS.

INSTALL ROOFTOP UNIT AND ROOF CURB AT LOCATION

SHOWN. INSTALL ROOFTOP UNIT AND ASSOCIATED

ACCESSORIES PER MANUFACTURES INSTALLATIONS

INSTRUCTIONS.

INSTALL CONDENSING UNIT ON ROOF AT LOCATION SHOWN

PER MANUFACTURES INSTALLATION INSTRUCTIONS.

CONNECT NEW DDC CONTROL PANEL TO DARK NETWORK I.T.

RACK WITH PURPLE CAT-6 CABLE(S) AS REQUIRED TO SEE THE

BUILDING FROM THE MAINTENANCE BUILDING. CONTRACTOR

TO HIRE AND COORDINATE CONNECTION TO DARK NETWORK

IT RACK WITH BRET EMERSON FROM COMMTECH DESIGN

(PHONE 616-433-7219).

REFER TO ARCHITECTURAL PLANS FOR EXACT ACCESS PANEL

LOCATION.

CONNECT DDC CONTROL PANEL TO I.T. RACK SYSTEM TO

ALLOW FOR REMOTE TRACKING AND MONITORING. SYSTEM TO

SEND ALARM POINT TO STARNET 2 SYSTEM THROUGH AN

ETHERNET CONTACT CLOSURE.

INSTALL ROOF MOUNTED EXHAUST FAN AT LOCATION SHOWN.

10x10 EXHAUST AIR DUCTWORK UP TO NEW EXHAUST FAN.

INSTALL RETURN GRILLE AT LOCATION SHOWN. RETURN AIR

BRANCH DUCTWORK SIZE SHALL BE 10x8.

GENERAL HVAC NOTES

1. INSTALL ALL FLAT PLATE SENSORS WITH TAMPER

PROOF SCREWS.

2. CONTRACTOR TO COORDINATE VAV AND DUCTWORK

INSTALLATION WITH ACCESS PANEL LOCATIONS.

3. ALL VAV BOXES MUST BE FULLY SERVICEABLE FROM

ACCESS PANELS. CONTRACTOR SHALL COORDINATE

VAV LOCATIONS WITH ARCHITECTURAL TRADES.

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N BUILDING 80 - PARTIAL FLOOR PLAN - HVAC NEW

SCALE: 3/16" = 1'-0"

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5 DUCT HANGER DETAIL

SCALE: NTSSCALE: NTSSCALE: NTS

HANGER STRAPS HANGER RODS

STRAP HANGER TRAPEZE HANGER

NO POP RIVETS ALLOWED, USE

SELF-TAPPING SHEETMETAL SCREWS

ONLY (TYP)

4 DUCT TRANSITION DETAIL

SCALE: NTS

VD

NOTES:

1. "ALTERNATE" FITTINGS SHALL BE

ACCEPTABLE ONLY WHEN DUCT HEIGHT

DOES NOT PERMIT THE USE OF

"PERMITTED" FULL SIZE BELLMOUTH

CONNECTION

2. THIS DETAIL APPLIES TO SINGLE TAKEOFFS

TO DIFFUSER AS WELL AS BRANCH

TAKEOFFS. IT ALSO APPLIES TO TAKEOFFS

IN THE HORIZONTAL AS WELL AS THE

VERTICAL DIRECTION.

DUCT SIZE:

(SEE PLANS)

PREFERRED

TAKE-OFF DETAIL

STANDARD

45° RECTANGULAR

DUCT CONNECTION

(SUPPLY SHOWN,

RETURN/EXHAUST SIMILAR)

BELLMOUTH

CONNECTION

MANUAL VOLUME

DAMPER TYPICAL AT

ALL DUCT

TAKE-OFFS

MAIN DUCT

AIR FLOW

6" min.

1 DUCT TRANSITION DETAIL

SCALE: NTS

L

W

SA FLOW

RA FLOW

MAIN AIR DUCT

BALANCING DAMPER IN ALL

SA AND RA BRANCHES TO

AIR OUTLETS

BRANCH AIR DUCT

(TYPICAL)

NOTE:

L=1/4 W (4" MIN.)

45°

TURNING VANES FOR

SQUARE ELBOW DETAIL

SCALE: NTS

FRAME

VANED ELBOW

LOCKING LUG

2-1/4"R

4-1/2"R

TURNING VANE

NOTES:

1. LOCKING LUGS INTEGRAL WITH VANE

2. MAXIMUM UNSUPPORTED VANE LENGTH 48"

3. FRAMES - BOLTED OR RIVETED TO ELBOW

4. VANES AND FRAMES - SAME GAUGE AS ELBOW

2 1 /4"

3 1 /2"

RECTANGULAR TRANSITIONS, OFFSETS,

AND ELBOWS

SCALE: NTS

RADIUS ELBOW

NOTE:

90° ELBOW SHOWN

SIMILAR RADIUS

CONSTRUCTION FOR

ALL ANGLES

R

R

OFFSET

ELBOW

FULL RADIUS

(R=W)

FLOW

AIR

TRANSITION - CONTRACTION FLOW

TRANSITION - DIVERGING FLOW

15°

FLOW

AIR

15°

W

W

W

R=1/ W

15°

15°

7 VAV TERMINAL UNIT DETAIL

SCALE: NTS

NOTES:

1. FLEXIBLE DUCTWORK SHALL NOT BE PERMITTED

UPSTREAM OF VAV BOXES.

2. DUCT TRANSITIONS SHALL BE A MINIMUM OF 3

DUCT DIAMETERS UPSTREAM OF ANY VAV BOX.

REDUCER OR INCREASER

IF REQUIRED

LINED SHEET METAL RUN-OUT

SIZE AS SHOWN ON PLAN 5 FT.

MIN. BEFORE TAKE OFF

SUPPLY DIFFUSER (SEE

SCHED. FOR TYPE)

COLLAR

FLEX ELBOW

DIFFUSER

NECK SIZE

FLEXIBLE DUCT

PROVIDE HANGER

CEILING

SHEET METAL RUN-OUT

SIZE AS SHOWN ON PLAN

BALANCE DAMPER

FLOW RING

TERMINAL UNIT

SUPPLY AIR

DUCT

CONICAL TAP.

TRANSITION AS

REQUIRED

3 DUCT

DIA. MIN.

5 DUCT DIA. MIN.

6'-0" MAX.

6 FLAT ROOF EXHAUST FAN DETAIL

SCALE: NTS

ELECTRICAL WIRING THROUGH CURB

OPENING WITH FLEXIBLE CONDUIT TO

DISCONNECT IN MOTOR HOUSING BY

E.C.

ROOF OPENING FRAMING BY

GENERAL TRADES

SPUN ALUMINUM FAN

HOUSING

ALUMINUM BIRD SCREEN

ALL AROUND

SECURE FAN TO CURB WITH

SHEET METAL SCREWS 12" O.C.

ALL AROUND

REFER TO DRAWINGS FOR

DUCT SIZE

12" HIGH INSULATED PRE-

FAB. ROOF CURB

FAN IMPELLAR

DIRECT DRIVE

MOTOR

COUNTER FLASHING

ROOFING MATERIALBACKDRAFT

DAMPER

RTU

CURB

G

ROOF

UNION

GAS COCK

WATERTIGHT

FLASHING

5/8" EXTERIOR SHEATHING (TYP)

2" SOUND-BOARD, INSULATION (TYP)

5/8" EXTERIOR SHEATHING (TYP)

2" SOUND-BOARD, INSULATION (TYP)

5/8" EXTERIOR SHEATHING (TYP)

DECKING

DRIP LEG

8 ROOF TOP UNIT DETAIL

SCALE: NTS

SA/RA DUCTWORK

EITHER DOWN FLOW

OR SIDE DISCHARGE

AS SHOWN ON

PLANS, LINE FIRST 10'

R ev ie w

D

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M -9