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D

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CFM

*AC-2

*AC-1

SYMBOL TOTAL

COOLING EATSENSIBLE

COOLING AMB

ROOFTOP AIR CONDITIONER

VOLTAGE

INDOORFAN

ESP

O/A

HP

OUTDOOR FAN

FLA VOLTAGE VOLTAGE

COMPRESSOR

RLA

MCA MOP REMARKS

124.5 90.2 76.5/63.4 95 4000 300 0.86" 3.6 480/3�Ø 2@1.6 480/3�Ø 7.1 480/3Ø�

167.3 120.4 79.0/65.0 95 5000 1000 1.0" 3.0 480/3�Ø 4@1.1 480/3�Ø 34.3 40.0

LRA

69.0 25.3 30.0

HEATING

FUEL MBH OUTPUT

NAT 180.0 146GAS

NAT 240.0 194GAS

7.1 480/3Ø69.0

8.8 74.6

8.8 74.6

480/3Ø� 480/3Ø

SYMBOL

E.S.P.

HEAT RECOVERY UNITS

CFM

SUPPLY AIR SUPPLY FAN

E.S.P. HP VOLTAGE EFFECTIVENESS

WHEELEXHAUST FAN

VOLTAGEHP

REMARKSHEATING

FUEL MBH OUTPUT

NAT 324.0GASHRU-1 9,000 0.5" 480/3Ø 0.5" 480/3Ø

MCA MOP

DEMOLITION NOTES:

1. RESPECTIVE CONTRACTOR IS RESPONSIBLE FOR

PERFORMING ANY DEMOLITION WORK (EVEN IF NOT

SHOWN ON THE PLANS) NECESSARY FOR COMPLETION

OF PROJECT. THIS INCLUDES REMOVAL OF ANY

EQUIPMENT AND MATERIALS THAT WILL NO LONGER BE

UTILIZED AFTER COMPLETION OF THIS PROJECT.

2. EQUIPMENT THAT IS REMOVED SHALL BE TURNED OVER

TO OWNER. IF OWNER DOES NOT WANT EQUIPMENT, IT

SHALL BE DISPOSED OF PROPERLY BY RESPECTIVE

CONTRACTOR.

PIPE SUPPORT DETAIL

NO SCALE

GAS PIPES BY

M.C. (TYPICAL)

CONTINUOUS

THREADED ROD

HEIGHT ADJUST

LATERAL ADJUST

SPACER BRACKET

PIPE ROLLER

REMOVABLE PIPE

RETAINER BRACKET

LAG BOLT

CHANNEL

STEEL SLIDE

ALL EXPOSED PIPING SHALL BE PAINTED WITH (1) PRIME

COAT AND (2) COATS OF BEST QUALITY OIL BASE PAINT.*

UNIT CONDENSATE

CONDENSATE DRAIN PIPING DETAIL

BLOCK SET DIRECTLY

UNDER TRAP ON ROOF

NO SCALE

ROOF LINE

NEOPRENE PAD

TRAP

CONCRETE SPLASH

C.O.

1-1/2"

CONNECTION

HVAC UNIT (BY M.C.)

PIPING TO UNIT

SECURELY FASTEN

* REPLACE EXISTING THERMOSTAT WITH NEW THERMOSTAT IN SAME LOCATION WITH LOCKABLE COVERS. FIELD VERIFY LOCATIONS OF EXISTING THERMOSTATS. PROVIDE NEW WIRING TO NEW THERMOSTATS

* REPLACE EXISTING CONTROLS WITH NEW CONTROLS IN SAME LOCATION WITH LOCKABLE COVERS. FIELD VERIFY LOCATIONS OF EXISTING CONTROLS. PROVIDE NEW WIRING TO NEWCONTROLS

CEILING TILE NOTE:

ASBESTOS NOTE:

DUCTWORK SIZE NOTE:

DUCTWORK NOTES:

MECHANICAL NOTES:

GENERAL NOTES:

TH

MECHANICAL NEW SYMBOL

SCHEDULE

BALANCING VALVE

SQUARE DUCT ELBOW WITH TURNING VANES

HOT WATER RETURN PIPE

HOT WATER SUPPLY PIPE

ATC MOTORIZED DAMPER

PRESSURE REDUCING VALVE

SHUTOFF VALVE

CHECK VALVE

AIR SEPARATOR

CONTROL SWITCH

BALANCING DAMPER

FIRE DAMPER

REGISTER

THERMOSTAT

DIFFUSER

HWR

HWS

F.D.

COMBINATION THERMOSTAT-HUMIDISTAT

REFRIGERANT PIPINGR

AHU

INDOOR AIR HANDLING UNIT

ROOFTOP AIR HANDLING UNIT

FAN POWERED VARIABLE AIR VOLUME (FPV) BOX

INLINE EXHAUST FAN

CHILLED WATER RETURN PIPE

CHILLED WATER SUPPLY PIPE

CWR

CWS

CONDENSATE DRAIN PIPEC

HUMIDIFIER STEAM DISCHARGE PIPEHSD

RTU

FPV-#

EF

T

S

VARIABLE AIR VOLUME (VAV) BOX

VAV-#

SIDEWALL REGISTER

SIDEWALL DIFFUSER

R

D

INTAKE LOUVER

EXHAUST LOUVER

L

L

ROOFTOP EXHAUST FAN

EF

POINT OF CONNECTION NEW TO EXISTING

ROUND GRAVITY ROOF VENTILATOR

RV

RECTANGULAR GRAVITY ROOF VENTILATOR

RV

BALL VALVE

FINNED TUBE RADIATION

FT

CEILING EXHAUST FAN

EF

3-WAY ATC VALVE

2-WAY ATC VALVE

GATE VALVE

CO2 CO2 SENSOR

MECHANICAL EXISTING AND DEMOLITION

SYMBOL SCHEDULE

DD

EXISTING DIFFUSER TO REMAIN

(APPLY TO ALL NEW WORK DRAWINGS)

REMOVE DIFFUSER

RR

EXISTING REGISTER TO

REMAIN

R

REMOVE REGISTER

REMOVE CONVECTORC

REMOVE CABINET HEATERCH

REMOVE EXHAUST FAN

EF EF

REMOVE FAN COIL UNITFC

DEMOLISH AIR HANDLER

LOUVERL

EXISTING CHILLED WATER SUPPLY/RETURN PIPING TO REMAIN

CWS

CWR

EXISTING HOT WATER SUPPLY/RETURN PIPING TO REMAINHWS

HWR

ROOFTOP AIR HANDLER TO REMAINRTU

POINT OF DISCONNECTION, EXISTING AND

DEMOLITION

D

REMOVE WALL FINWF

EXISTING PIPE TO REMAIN

REMOVE PIPE

SMS

SMR REMOVE SNOW MELT SYSEM PIPING

EXISTING PIPE CAP

CAP EXISTING PIPE

CAP

TO (E) EXISTING TRANSFER OPENING

TO REMAIN

AH

REMOVE DUCT

EXISTING DUCT TO REMAIN

D

D D

R

UH REMOVE CABINET HEATER

CAP EXISTING PIPE

CAP

REMOVE PUMPP

REMOVE EXPANSION TANKET

REMOVE AIR SEPARATORAS

T REMOVE THERMOSTAT

REMOVE HUMIDISTATH

HX REMOVE HEAT EXCHANGER

REMOVE VAV BOXVAV

REMOVE CHILLED WATER SUPPLY/RETURN PIPING

CWS

CWR

REMOVE HOT WATER SUPPLY/RETURN PIPINGHWS

HWR

EF

REMOVE GRAVITY VENTILATORGV

TO REMOVE TRANSFER OPENING

NOTES:

(THESE NOTES APPLY TO ALL DEMOLITION DRAWINGS)

1. MECHANICAL CONTRACTOR SHALL REMOVE ALL HVAC EQUIPMENT SCHEDULED

ABOVE UNLESS NOTED OTHERWISE ON PLANS.

2. MECHANICAL CONTRACTOR SHALL REMOVE ALL CONTROLS, PIPING, DUCTWORK

AND LOUVERS ASSOCIATED WITH HVAC EQUIPMENT TO BE REMOVED; EVEN IF

NOT SHOWN ON THE PLANS.

3. MECHANICAL CONTRACTOR IS RESPONSIBLE FOR PATCHING ALL OPENINGS TO

MATCH EXISTING WHERE EQUIPMENT IS REMOVED AND NOT REPLACED OR NEW

EQUIPMENT SIZE DIFFERS FROM REMOVED EQUIPMENT.

4. DEMOLITION PLANS ARE SCHEMATIC AND NOT INTENDED TO SHOW EXACT

LOCATIONS OF EQUIPMENT AND MATERIALS TO BE REMOVED. CONTRACTOR

SHALL VERIFY LOCATIONS OF ALL EQUIPMENT, PIPING, DUCTWORK, CONTROLS

ETC.

5. MECHANICAL CONTRACTOR SHALL REMOVE ALL SUPPORTS, PADS, STEEL, ETC.,

ASSOCIATED WITH EQUIPMENT, DEVICES OR MATERIALS BEING REMOVED.

6. THESE DEMOLITION PLANS WERE PREPARED FROM ON-SITE SURVEYS AND

ORIGINAL CONSTRUCTION DOCUMENTS. IN AN EFFORT TO PROVIDE THIS

CONTRACTOR WITH THE GENERAL SCOPE OF THE PROJECT, THESE DEMOLITION

PLANS WERE PREPARED TO SHOW AND/OR NOTE THE EXISTING CONDITIONS TO

THE BEST OF THE ENGINEER'S KNOWLEDGE. THESE DEMOLITION DRAWINGS

ARE NOT INTENDED TO SHOW EXACT CONDITIONS ABOVE CEILINGS OR OTHER

INACCESSIBLE AREAS. IT IS STILL THE RESPONSIBILITY OF THE MECHANICAL

CONTRACTOR TO VISIT THE SITE AND INCLUDE IN THE BID ALL OTHER

DEMOLITION WORK REQUIRED, INCLUDING SURVEY TIME, FOR REMOVAL OF ALL

MECHANICAL EQUIPMENT AND MATERIAL. REFER TO THE ARCHITECTURAL

DRAWINGS FOR THE COMPLETE BUILDING DEMOLITION PLANS. REFER TO

ARCHITECTURAL DRAWINGS AND SPECIFICATIONS FOR DEMOLITION PHASING.

7. ALL EXISTING HVAC PIPING SHOWN REMAINING TO BE REUSED SHALL HAVE

EXISTING INSULATION REMOVED AND REPLACED WITH NEW INSULATION. NEW

INSULATION THICKNESS SHALL BE IN ACCORDANCE WITH THE SPECIFICATIONS.

(THESE NOTES APPLY TO ALL MECHANICAL DRAWINGS)

1. ANY PHYSICAL INSTALLATION MODIFICATIONS DUE TO FIELD

CONDITIONS SHALL BE RESOLVED BY THE MECHANICAL CONTRACTOR

IN ACCORDANCE WITH THE RECOMMENDATIONS OF THE MECHANICAL

ENGINEER.

2. THE ENTIRE INSTALLATION SHALL COMPLY WITH ALL CODES, LOCAL,

STATE, AND NATIONAL.

3. THIS CONTRACTOR SHALL PROVIDE ALL MISCELLANEOUS STEEL AND

SUPPORTS TO SUSPEND DUCTWORK AND EQUIPMENT.

4. ALL EQUIPMENT SHALL BE INSTALLED WITH VIBRATION ISOLATORS.

5. THIS CONTRACTOR SHALL PROVIDE ALL LABOR, MATERIALS, AND

EQUIPMENT TO ENSURE A COMPLETE SYSTEM.

6. THIS CONTRACTOR SHALL COORDINATE HIS WORK WITH ALL OTHER

TRADES.

7. THE MECHANICAL CONTRACTOR SHALL SEAL ALL HIS RESPECTIVE WALL

AND ROOF PENETRATIONS.

8. ALL ROOF OPENINGS AND FLASHINGS SHALL BE PROVIDED BY THE

GENERAL CONTRACTOR. THE MECHANICAL CONTRACTOR SHALL BE

RESPONSIBLE FOR COUNTERFLASHING.

9. THE MECHANICAL CONTRACTOR SHALL PAY FOR ALL FEES AND

PERMITS AS NECESSARY TO COMPLETE THE INSTALLATION.

10. CONTRACTOR SHALL INSTALL ALL EQUIPMENT WITH ADEQUATE

SERVICECLEARANCES AS RECOMMENDED BY THE EQUIPMENT

MANUFACTURER.

11. ALL ROOFTOP EQUIPMENT REQUIRING REGULAR MAINTENANCE SHALL

BE INSTALLED MINIMUM 10'-0" FROM ANY ROOF EDGE HIGHER THAN 30"

ABOVE ADJACENT ROOF LEVEL OR GRADE IN ACCORDANCE WITH

INTERNATIONAL MECHANICAL CODE.

12. MECHANICAL CONTRACTOR SHALL COORDINATE ALL STRUCTURAL

STEEL SUPPORTS WITH G.C. PRIOR TO STEEL FABRICATION.

(THIS NOTE SHALL APPLY TO ALL MECHANICAL DRAWINGS)

THE CONTRACTOR IS RESPONSIBLE FOR REMOVAL OF EXISTING CEILING AS

REQUIRED FOR HIS WORK AND FOR RE-INSTALLATION, REPLACEMENT OR

REPAIR OF CEILINGS. THIS APPLIES TO ACOUSTICAL TILE, PLASTER,

DRYWALL, ETC.

(THIS NOTE SHALL APPLY TO ALL MECHANICAL DRAWINGS)

IF THE CONTRACTOR FINDS ANY ASBESTOS DURING THIS CONSTRUCTION

PROJECT, HE SHALL STOP WORK IMMEDIATELY AND REPORT IT TO THE

ENGINEER AND THE OWNER. THE OWNER WILL THEN TAKE CARE OF THE

REMOVAL OF THIS ASBESTOS.

(THIS NOTE SHALL APPLY TO ALL MECHANICAL DRAWINGS)

DUCTWORK SIZES AND LOCATIONS ARE APPROXIMATE. MECHANICAL

CONTRACTOR SHALL BE RESPONSIBLE FOR DUCTWORK SIZE REVISIONS AS

REQUIRED TO ACCOMMODATE AVAILABLE SPACE. SIZING SHALL BE BASED

ON A MAXIMUM .08" PER 100FT. OF STATIC PRESSURE AND A MAXIMUM 1100

FPM AIR VELOCITY. DUCTWORK SYSTEMS SHALL BE SIZED BASED ON

AVAILABLE HVAC FAN CAPACITY.

(THESE NOTES APPLY TO ALL MECHANICAL DRAWINGS)

1. ALL DUCTWORK SIZES NOTED ARE FREE AREA SIZES.

2. TURNING VANES SHALL BE PROVIDED IN ALL DUCT ELBOWS.

3. PROVIDE ALL DAMPERS, SPLITTERS, AND EXTRACTORS AS REQUIRED

FOR PROPER AIR DISTRIBUTION IN GENERAL ACCORDANCE WITH THE

STANDARDS OF THE NATIONAL ENVIRONMENTAL BALANCING BUREAU.

4. FURNISH AND INSTALL AS NECESSITATED BY EXISTING CONDITIONS ALL

SUPPORT MATERIALS TO INSURE A RIGID INSTALLATION.

5. ALL SUPPLY AND RETURN DUCTWORK EXCEPT DOUBLE WALL SPIRAL

ROUND DUCTWORK SHALL BE INTERNALLY INSULATED IN ACCORDANCE

WITH THE SPECIFICATIONS.

6. THE MECHANICAL CONTRACTOR SHALL BE RESPONSIBLE FOR

COORDINATING INSTALLATION OF NEW DIFFUSERS AND REGISTERS

WITH SUSPENDED CEILING GRID AND LIGHTING FIXTURES TO BE

INSTALLED BY THE GENERAL AND ELECTRICAL CONTRACTORS

RESPECTIVELY. CEILING DIFFUSERS AND REGISTERS SHALL BE

CENTERED IN GRID SYSTEM.

7. LENGTH OF FLEXIBLE DUCT BRANCHES SHALL NOT EXCEED 8' - 0"

MAXIMUM. ANY ADDITIONAL LENGTH AS NEEDED FOR INDIVIDUAL

CONNECTIONS SHALL BE ACCOMPLISHED WITH ROUND RIGID

DUCTWORK.

8. FLEXIBLE DUCT WILL NOT BE ACCEPTABLE FOR EXHAUST FAN

INSTALLATIONS.

9. THE MECHANICAL CONTRACTOR SHALL FURNISH AND INSTALL FLEXIBLE

FABRIC CONNECTIONS BETWEEN DUCTWORK AND FANS IN ORDER TO

ISOLATE EQUIPMENT AND PREVENT VIBRATION.

10. PATCHING OF EXISTING DUCTWORK TO REMAIN SHALL MATCH ALL

ASPECTS OF EXISTING DUCTWORK INCLUDING MATERIAL, INSULATION

THICKNESS AND LOCATION AND SHALL BE SEALED AIRTIGHT.

(THESE NOTES APPLY TO ALL MECHANICAL DRAWINGS)

1. FOR THE HVAC WATER SYSTEMS, THE MECHANICAL CONTRACTOR

SHALL PROVIDE MANUAL AIR VENTS AT ALL HIGH POINTS IN THE

SYSTEM AND AT EACH UNIT AND SHALL PROVIDE DRAINS AT ALL LOW

POINTS

2. ALL REFRIGERATION PIPING SHALL BE INSTALLED IN STRICT

ACCORDANCE WITH THE MANUFACTURER'S SPECIFICATIONS AND

RECOMMENDATIONS, PIPE SIZES SHALL BE PER MANUFACTURER'S

RECOMMENDATIONS.

3. ALL REFRIGERANT PIPING SHALL BE PITCHED A MINIMUM OF 1/2" IN 10' -

0" IN THE DIRECTION OF THE REFRIGERANT FLOW.

4. ALL UNDERGROUND OR CONCEALED REFRIGERATION LINES SHALL BE

INSULATED WITH 1" FOAMGLAS INSULATION BY PITTSBURG-CORNING

WITH PITTWRAP PROTECTIVE COVERING. INSTALL IN ACCORDANCE

WITH MANUFACTURER'S SPECIFICATIONS AND RECOMMENDATIONS.

5. ALL PIPE PENETRATIONS THROUGH CHASES, WALLS, OR FLOORS

WHICH ARE FIRE-RATED SHALL BE PROPERLY SEALED TO MAINTAIN

FIRE PROTECTION.

6. ALL DUCTS THAT PENETRATE CHASES, WALLS, OR FLOORS WHICH ARE

FIRE-RATED SHALL BE INSTALLED WITH FIRE DAMPERS IN ACCORDANCE

WITH NFPA 90A. THIS APPLIES EVEN IF THEY ARE NOT SPECIFICALLY

SHOWN ON THE DRAWINGS.

7. PROVIDE AND INSTALL RADIATION DAMPERS ON ALL DIFFUSERS,

REGISTERS AND GRILLES THAT PENETRATE CEILINGS WHICH ARE FIRE-

RATED OR PART OF A FIRE RATED ASSEMBLY.

8. ALL ROOF TOP EQUIPMENT REQUIRING REGULAR MAINTENANCE SHALL

BE INSTALLED MINIMUM 10'-0" FROM ANY ROOF HIGHER THAN 30" ABOVE

ADJACENT ROOF LEVEL OR GRADE IN ACCORDANCE WITH

INTERNATIONAL MECHANICAL CODE.

MECHANICAL ABBREVIATIONS

DEVICES

D DIFFUSER

R REGISTER

L LOUVER

FD FIRE DAMPER

FSD FIRE/SMOKE DAMPER

SD SMOKE DAMPER

BD BALANCING DAMPER

MOD MOTOR OPERATED DAMPER

ATC AUTOMATIC TEMPERATURE CONTROL

HYDRONIC

C CONDENSATE DRAIN

GPM GALLONS PER MINUTE

GPH GALLONS PER HOUR

HWS HEATING HOT WATER SUPPLY

HWR HEATING HOT WATER RETURN

CWS CHILLED WATER SUPPLY

CWR CHILLED WATER RETURN

CS CONDENSER WATER SUPPLY

CR CONDENSER WATER RETURN

HPS HIGH PRESSURE STEAM

MPS MEDIUM PRESSURE STEAM

LPS LOW PRESSURE STEAM

PC CONDENSATE PUMPED

HSD HUMIDIFIER STEAM DISCHARGE

FOS FUEL OIL SUPPLY

FOR FUEL OIL RETURN

R REFRIGERANT PIPING

DESIGN CRITERIA

PD PRESSURE DROP

RH RELATIVE HUMIDITY

RPM REVOLUTIONS PER MINUTE

SP STATIC PRESSURE

ESP EXTERNAL STATIC PRESSURE

TSP TOTAL STATIC PRESSURE

DB DRY BULB

AMB AMBIENT

APD AIR PRESSURE DROP

EWT ENTERING WATER TEMPERATURE

LWT LEAVING WATER TEMPERATURE

EAT ENTERAING AIR TEMPERATURE

LAT LEAVING AIR TEMPERATURE

PRV PRESSURE REDUCING VALVE

BBD BOILER BLOWDOWN

EQUIPMENT

EF EXHAUST FAN

AHU AIR HANDLING UNIT

RTU ROOFTOP AIR HANDLING UNIT

RTAC ROOFTOP AIR CONDITIONING UNIT

HRU ENERGY RECOVERY UNIT

DOAS DEDICATED OUTDOOR AIR UNIT

AC AIR CONDITIONER

UV UNIT VENTILATOR

FCU FAN COIL UNIT

PTAC PACKAGED TERMINAL AIR CONDITIONER

CU CONDENSING UNIT

CT COOLING TOWER

CHL CHILLER

B BOILER

P PUMP

C CONVECTOR

CH CABINET HEATER

ECH ELECTRIC CABINET HEATER

FT FINNED TUBE RADIATION

BH BASEBOARD HEATER

EBH ELECTRIC BASEBOARD HEATER

RP RADIANT PANEL

UH UNIT HEATER

EUH ELECTRIC UNIT HEATER

ET EXPANSION TANK

AS AIR SEPARATOR

FPV FAN POWERED VARIABLE AIR VOLUME BOX

VAV VARIABLE AIR VOLUME BOX

(THESE ABBREVIATIONS APPLY TO ALL DRAWINGS)

ELECTRICAL

FLA FULL LOAD AMPS

MCA MAXIMUM CURRENT AMPS

MOP MAXIMUM OVERCURRENT PROTECTION

GA GAUGE

GENERAL

TYP TYPICAL

TFB TO FLOOR BELOW

TFA TO FLOOR ABOVE

FFA FROM FLOOR ABOVE

FFB FROM FLOOR BELOW

AFF ABOVE FINISHED FLOOR

SA SUPPLY AIR

RA RETURN AIR

OA OUTSIDE AIR

EA EXHAUST AIR

T.O. TRANSFER OPENING

T.O. (E) TRANSFER OPENING (EXISTING)

CLG CEILING

ETR EXISTING TO REMAIN

EC ELECTRICAL CONTRACTOR

FPC FIRE PROTECTION CONTRACTOR

GC GENERAL CONTRACTOR

MC MECHANICAL CONTRACTOR

PC PLUMBING CONTRACTOR

B.O.D. BOTTOM OF DUCT

C.O.D. CENTER OF DUCT

WPD WATER PRESSURE DROP

WB WET BULB

SYMBOL

TOTAL

COOLING

SENSIBLE

COOLING EAT AMB CFM O/A ESP FLA VOLTAGE VOLTAGEHP

CONDENSER FAN EVAPORATOR FAN

REMARKS

HEATING @17°COMPRESSOR

VOLTAGERLA

UNIT

SEERVOLTS/PHKW RISEMBH

PACKAGED ROOFTOP HEAT PUMP

*RTHP-1 176.0 134.3 79.0/65.0 95 5000 1000 1.0" 4@1.3 480/3Ø 3.0 480/3Ø 2@11.5 480/3Ø 50.0 156.5 29.0 480/3Ø 12.0

* REPLACE EXISTING THERMOSTAT WITH NEW FACTORY THERMOSTAT IN SAME LOCATION WITH LOCKABLE COVERS. FIELD VERIFY LOCATIONS OF EXISTING THERMOSTATS. PROVIDE NEW WIRING TO NEW THERMOSTATS

MCA MOP

88.5 90.0 NOMINAL 15-TON

MBH

79.8

SUPPLEMENTAL HEATING

COOLING

TYPE MBH LAT

DX 337 55.0

CFM

EXHAUST AIR

2,800

OA

3,200

SUPPLY AIR DIFFUSER SCHEDULE

SYMBOL CFM RANGE TYPENECK SIZE FACE SIZE

D-1

CFM 1500 18" 40" ROUND

REMARKSAMP/PH(WATTS)RPMSONESE.S.P.CFMSYMBOL

FANS

EF-1

TYPE

HP

CONTROL

TIMECLOCK CONTROL

RDB 600 .25 5.9 1140 1/6

FAN

277/60/1

VOLTAGE/ BASIS OF DESIGN

MANUFACTURER AND MODEL NO.

GROUP TOILET EXHAUST6.74 0.91 400 73% 93.2 100

HOT GAS REHEAT

MBH

52.7

71.7

GAL/HOUR MBH

93.8

72.7

5.02

6.71

EXISTING

CURBEXISTING

ROOF

NO SCALE

ROOF CURB CAP DETAIL

SHEET METAL

CAP. FASTEN

TO EXISTING

CURB WITH SHEET

METAL SCREWS.

1/2" PLYWOOD

2" RIGID INSULATION

ROOFTOP EXHAUST DETAIL

NO SCALE

ROOF EXHAUSTER

DOMEX SPUN ALUMINUM

ROOF

EXISTING

BACKDRAFT DAMPER

ATTENUATING CURB

12" HIGH SOUND

WEIGHT

(LBS)

WEIGHT

(LBS)

WEIGHT

(LBS)

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PROJECT NO.

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18 FEB. 2026

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AS NOTED

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REGISTERED

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PROFESSIONAL

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ENGINEER

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NO. PE 050547-E

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KENNETH LEE KAUFFMAN

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ISSUED FOR PERMITTING / BIDDING

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18"Ø

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12X12 RISE

UP TO EF-1

ON ROOF

12X12

D

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RE

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18 FEB. 2026

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AS NOTED

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REGISTERED

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PROFESSIONAL

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ENGINEER

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NO. PE 050547-E

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KENNETH LEE KAUFFMAN

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ISSUED FOR PERMITTING / BIDDING

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INSTALL NEW HEAT RECOVERY

UNIT WITH GAS HEAT. MODIFY

DUCTWORK AS REQUIRED TO

CONNECT TO NEW UNIT. PROVIDE

NEW ROOF CURB AND ANY

STRUCTURAL STEEL REQUIRED TO

SUPPORT NEW UNIT.

INSTALL NEW GAS/ELECTRIC

ROOFTOP UNIT. PROVIDE CURB

ADAPTOR TO SET NEW UNIT ON

EXISTING CURB. MODIFY EXISTING

DUCTWORK AS REQUIRED TO

CONNECT TO NEW UNIT.

INSTALL NEW GAS/ELECTRIC

ROOFTOP UNIT. PROVIDE

CURB ADAPTOR TO SET NEW

UNIT ON EXISTING CURB.

MODIFY EXISTING DUCTWORK

AS REQUIRED TO CONNECT

TO NEW UNIT.

CONNECT 11

2" GAS

PIPING TO HVAC UNIT.

PROVIDE GAS VALVE,

DRIP LEG AND UNION

AT CONNECTION TO

UNIT. MAKE FINAL

CONNECTION WITH

CSST FLEXIBLE PIPE.CONNECT 11

2" GAS

PIPING TO HVAC UNIT.

PROVIDE GAS VALVE,

DRIP LEG AND UNION

AT CONNECTION TO

UNIT. MAKE FINAL

CONNECTION WITH

CSST FLEXIBLE PIPE.

CONNECT 11

4" GAS

PIPING TO HVAC UNIT.

PROVIDE GAS VALVE,

DRIP LEG AND UNION

AT CONNECTION TO

UNIT. MAKE FINAL

CONNECTION WITH

CSST FLEXIBLE PIPE.

INSTALL NEW DX COOLING/ELECTRIC

HEATING ROOFTOP UNIT. PROVIDE

CURB ADAPTOR TO SET NEW UNIT

ON EXISTING CURB. MODIFY

EXISTING DUCTWORK AS REQUIRED

TO CONNECT TO NEW UNIT.

RTHP-1

2"

G

1½"

2"

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1¼"

AC-1

AC-2

HRU-1

EF-1

INSTALL NEW EXHAUST FAN. REFER

TO DETAIL ON SHEET M0.1

HRU-1

AC-2

AC-1

2"

RTHP-1

G

1½" 1½"

2"

GG

1¼"

G

REMOVE RTHP-1 AND

TRANSITION CURB

REMOVE AC-1 AND

TRANSITION CURB

1¼"

REMOVE AC-2 AND

TRANSITION CURB

REMOVE AC-2 AND

TRANSITION CURB

REMOVE EXHAUST FAN AND

CAP ROOF CURB. REFER TO

DETAIL ON SHEET M0.1

NEW ROOF PLAN

SCALE" 1/8" = 1'-0" M

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DRAWING NOTES:#

1.

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DESCRIPTION

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DATE

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NO.

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APPROVED BY:

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CHECKED BY:

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DRAWN BY:

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DATE:

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PROJECT NO.

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DRAWING NO.

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BEFORE PROCEEDING WITH THE WORK.

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SIONS AND CONDITIONS AT THE SITE

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CONTRACTOR SHALL VERIFY ALL DIMEN-

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HIS NAME AS ENGINEER.

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UNLESS THE REPRODUCTION CARRIES

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DUCED WITHOUT HIS PERMISSION AND

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ENGINEER, AND MAY NOT BE REPRO-

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SERVICE, IS THE PROPERTY OF THE

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THIS DRAWING, AS AN INSTRUMENT OF

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18 FEB. 2026

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AS NOTED

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REGISTERED

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PROFESSIONAL

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ENGINEER

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NO. PE 050547-E

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KENNETH LEE KAUFFMAN

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ISSUED FOR PERMITTING / BIDDING

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D. ASME B16.22 _ WROUGHT COPPER AND COPPER ALLOY SOLDER JOINT PRESSURE FITTINGS

E. ASME B31.9 _ BUILDING SERVICES PIPING

F. ASTM A53 _ PIPE, STEEL, BLACK AND HOT_DIPPED, ZINC COATED WELDED AND SEAMLESS

G. ASTM A234 _ PIPING FITTINGS OF WROUGHT CARBON STEEL AND ALLOY STEEL FOR MODERATE AND ELEVATED

TEMPERATURES

H. ASTM B32 _ SOLDER METAL

I. ASTM B88 _ SEAMLESS COPPER WATER TUBE

J. ASTM F708 _ DESIGN AND INSTALLATION OF RIGID PIPE HANGERS

K. AWS A5.8 _ BRAZING FILLER METAL

L. AWS D1.1 _ STRUCTURAL WELDING CODE

M. MSS SP58 _ PIPE HANGERS AND SUPPORTS _ MATERIALS, DESIGN AND MANUFACTURE

N. MSS SP69 _ PIPE HANGERS AND SUPPORTS _ SELECTION AND APPLICATION

O. MSS SP89 _ PIPE HANGERS AND SUPPORTS _ FABRICATION AND INSTALLATION PRACTICES

P.

MATERIALS

Steel pipe: astm a53, schedule 40, black.

1. Fittings: astm b16.3, malleable iron or astm a234, forged steel welding type fittings.

2. Joints: threaded, (up to 2") or aws d1.1, welded (over 2" size).

3. For piping 2-1/2" and larger, a coupling system will be acceptable for couplings, tees, reducers, elbows, valves and strainers as specified herein. provide proper gaskets for reducers, elbows, valves, and strainers as specified herein. Provide proper gaskets for system working temperature and pressure. acceptable manufacturers shall be victaulic (basis of design) or gruvlok.

a. Victaulic standard fittings will be astm a536 ductile iron, asme a234 forged steel, or astm a53 fabricated steel, with factory grooved ends designed to accept victaulic standard couplings.

b. Victaulic standard couplings consist of two astm a536 ductile iron housing segments, a pressure-responsive synthetic rubber gasket, grade “e” epdm for water services to 230°f, secured together with plated steel bolts and nuts.

1) Rigid type: housings will be cast with offsetting, angle-pattern bolt pads to provide system rigidity and support and hanging in accordance with asme b31.1 and b31.9. victaulic style 07 zero-flex.

2) Flexible type: use in locations where vibration attenuation and stress relief are required. flexible couplings may be used in lieu of flexible connectors at equipment connections. three couplings shall be placed in close proximity to the source of vibration.

victaulic style 75 or 77.

c. Victaulic flange adapters will be cast ductile iron, astm a536, flat faced, for incorporating flanged components with ansi class 125, 150 or 300 bolt-hole patterns to a grooved piping system. victaulic style 741 or 743.

Flue Vent Piping - Unless noted otherwise, Flue vent piping shall be Model PS as manufactured by Metal-bestos or accepted substitute by VanPacker, Metal Fab or Duro-Vent. Piping shall be double wall flue with aluminum coated steel outer jacket and type 316 stainless steel liner separated by an air space. Vent piping shall be installed in full compliance with the terms of its Underwriter's Laboratories listing, with manufacturer's installation instructions and with nationally recognized building codes representing good practices for such installation. The installation shall be continuous from connection to equipment outlets up to vent top. Installation shall be complete with flanges, elbows, tees, increasers, drain cap, stack cap, roof thimble and flashing and wall supports for complete system.

AIR TURNING DEVICES/EXTRACTORS

Multi_blade device with blades aligned in short dimension; steel construction; with individually adjustable blades, mounting straps.

BACKDRAFT DAMPERS

Gravity Backdraft Dampers, Size 18 x 18" (450 x 450 mm) or Smaller, Furnished with Air Moving Equipment: Air moving equipment manufacturers standard construction.

Multi_Blade, Parallel Action Gravity Balanced Backdraft Dampers: 16 gage thick galvanized steel, with blades of maximum 6" width, with felt or flexible vinyl sealed edges, linked together in rattle_free manner with 90 stop, steel ball bearings, and plated steel pivot pin; adjustment device to permit setting for varying differential static pressure.

VOLUME CONTROL DAMPERS

Fabricate in accordance with smacna hvac duct construction standards _ metal and flexible, and as indicated.

Single blade (up to 12" high) - 16 gauge blade on rod.

Multi_blade damper (over 12" high): fabricate of opposed blade pattern with maximum blade sizes 8 x 72". assemble center and edge crimped blades in prime coated or galvanized channel frame with suitable hardware.

End bearings: except in round ductwork 12" (300 mm) and smaller, provide end bearings. on multiple blade dampers, provide oil-impregnated nylon or sintered bronze bearings.

Quadrants:

Provide locking, indicating quadrant regulators on single and multi-blade dampers.

On insulated ducts mount quadrant regulators on stand-off mounting brackets, bases, or adapters.

Where rod lengths exceed 30" provide regulator at both ends.

RECTANGULAR CEILING DIFFUSERS

Manufacturers:

1. Tuttle & Bailey model RC.

2. EH Price

3. Metalaire

4. Titus

A. Type: square and rectangular, multi-louvered diffuser to discharge air in pattern as indicated on drawings.

B. Frame: surface mount type or lay-in grid type.

C. Fabrication: steel with baked enamel finish in color selected by the architect.

D. Accessories: radial opposed blade damper and multi-louvered equalizing grid with damper adjustable from diffuser face.

CEILING EXHAUST AND RETURN REGISTERS/GRILLES

Manufacturers:

1. Tuttle & Bailey model A77.

2. Acceptable substitute by Titus, Anemostat, Carnes, Metalaire, Krueger, E.H. Price.

A. Type: streamlined blades, 3/4" minimum depth, 3/4" maximum spacing, with blades set at 45° horizontal face.

B. Frame: 1-1/4" margin with countersunk screw mounting.

C. Fabrication: aluminum extrusions, with color to be selected by the architect.

D. Damper: integral, gang-operated, opposed blade type with removable key operator, operable from face where not individually connected to exhaust fans. (dampers not required for relief grilles.)

INSULATION

DUCT INSULATION

Provide and install acoustic and thermal lining in all supply air, fresh air and return air ductwork except where noted.

Lining shall be 1" thick fiberglass semi-rigid board type, or duct liner, 3.0 lbs. per cubic foot density, with a thermal conductivity of approximately 0.23 btuh/hr. sq. ft. -°f. - inch.

Exhaust ducts and transfer ducts shall not be lined.

HVAC PIPING INSULATION

All new hvac supply and return pipes, fittings, suction diffusers, hot/cold surfaces, flanges, and valves shall be insulated with heavy density fiberglass insulation similar to owens/corning fiberglass 25asj/ssl pipe insulation or accepted substitute with all service jacket, self-sealing lap and u.l. listed.

HVAC piping shall be insulated with thickness of insulation indicated below: (in accordance with ASHRAE 90A-1980)

1. Hot Water, Chilled Water and Condenser Water supply, return

Pipe Size Thickness Up to 1-1/2" 1-1/2" 2" - 12" 2"

2. Provide additional thickness as required to prevent surface condensation on chilled water pipe system.

TESTING, ADJUSTING AND BALANCING

The mechanical contractor shall test, adjust and balance all systems to assure the proper air quantities, heating output capacities, and automatic operations as outlined on the drawings and specifications.

QUALIFICATIONS: The company specializing in the testing, adjusting, and balancing of systems specified in this section shall be aabc or nebb certified.

TEST REPORTS: Indicate data on standard AABC or NEBB forms.

INSTALLATION TOLERANCES:

A. Air handling systems: adjust to within +/- 5% of design for supply systems and +/- 10% of design for return and exhaust systems.

B. Hydronic systems: adjust to within +/- 10% of design.

C.

ADAPTOR CURBS

A. Contractor to provide all labor, materials, and equipment in connection with the complete installation of the adaptor curb.

B. Products: Adaptor Curbs as manufactured by AES industries, Inc., Tallassee, Alabama 36078, Phone 800-786-0402 or equal.

C. Construction: Adaptor Curbs shall be constructed using minimum 14-ga galvanized steel with fully welded corners, 1" duct liner insulation on air impacted surfaces, and 18-ga galvanized steel turning vanes as required. Minimum height, 14" above existing roof curb.

D. Installation: Adaptor Curbs shall be installed in strict accordance with manufacturers printed instructions and as detailed on drawings.

E. Coordination: Size of Curbs and required options shall be coordinated by support manufacturer with general contractor and mechanical contractor prior to fabrication.

F. Guarantee: Adaptor Curbs shall be guaranteed against defects in material and/or workmanship for a period of one(1) year.

MECHANICAL SPECIFICATIONS

SECTION 1: GENERAL CONDITIONS

SCOPE

The Mechanical Contractor shall be responsible for the following installation but is not necessarily limited by this summary:

TUS Boxes Hot Water Piping and Appurtenances Ductwork, Grilles, Registers and Diffusers Controls

Provide and install complete and operating air conditioning system in accordance with these specifications and accompanying contract drawings. This shall include all required labor, materials, equipment, and supervision.

RULES AND REGULATIONS

REFERENCES

A. ASTM F708 _ Design and Installation of Rigid Pipe Hangers.

B. MSS SP58 _ Pipe Hangers and Supports _ Materials, Design and Manufacturer.

C. MSS SP69 _ Pipe Hangers and Supports _ Selection and Application.

D. MSS SP89 _ Pipe Hangers and Supports _ Fabrication and Installation Practices.

E. NEMA MG 1 _ Motors and Generators.

F. NFPA 70 _ National Electrical Code.

G. ASME A13.1 _ Scheme for the Identification of Piping Systems.

PERFORMANCE REQUIREMENTS FOR PIPING EXPANSION COMPENSATION

A. Provide structural work and equipment required to control expansion and contraction of piping. Verify that anchors, guides, and expansion joints provided, adequately protect system.

B. Expansion Calculations:

1. Installation Temperature: 50F

2. Hot Water Heating: 210F

3. Safety Factory: 30 %

SUBMITTALS

A. Submit in accordance with provisions of Section 230010.

B. Product Data:

1. Flexible Pipe Connectors: Indicate maximum temperature and pressure rating, face_to_face length, live length, hose wall thickness, hose convolutions per foot and per assembly, fundamental frequency of assembly, braid structure, and total number of wires in braid.

2. Expansion Joints: Indicate maximum temperature and pressure rating, and maximum expansion compensation.

3. Supports and Anchors: Provide manufacturers catalog data including load capacity.

4. Motors: Provide wiring diagrams with electrical characteristics and connection requirements.

5. Mechanical Identification: Provide manufacturers catalog literature for each product required.

6. Vibration Isolation: Provide schedule of vibration isolator type with location and load on each.

C. Shop Drawings: Indicate inertia bases and locate vibration isolators, with static and dynamic load on each.

REGULATORY REQUIREMENTS

All work shall be performed in accordance with the rules and regulations of the National Plumbing Code, local plumbing codes, the utilities having jurisdiction, and the International. Plumbing Code, International Building Code, the International Mechanical Code, National Electric Code and the NFPA Code.

All work shall be performed in accordance with the rules and regulations of Pennsylvania Department of Labor and Industry, Federal Department of Labor (Occupational Safety and Health Administration) and all codes and agencies having jurisdiction.

All construction, design fabrication, tests, rating and installation shall comply with the rules and regulations of all local, state or national codes and agencies having jurisdiction over this project. Any costs involved in complying to these rules and regulations shall be included in original bid of this Contractor.

This Contractor shall obtain and pay for all construction and installation permits, certificates and inspection fees relative to his work. He shall also prepare all specific plans as required by proper authorities before acceptance of the work. Costs incurred in the preparation of such plans shall be included in the Contractor's original bid.

DEFINITION OF WORK RESPONSIBILITY

All electrical control components including starters required for operation of HVAC equipment whether integral or remote shall be furnished and installed under this contract. Control wiring, conduits and accessories for control devices shall be furnished and installed by the contractor who provides the HVAC equipment.

Power wiring from panel board or similar source through all equipment disconnects to motors or heating equipment shall be furnished and installed by the electrical contractor.

Equipment disconnect switches, unless otherwise specified or supplied by the equipment supplier as an integral part of the equipment shall be furnished and installed by the electrical contractor.

All electrical equipment, components, and wiring furnished and installed under this portion of the specifications shall conform to all requirements of the applicable portions of the electrical specifications.

All base flashing, where required, shall be by others, with necessary counter-flashing by this contractor.

All structural work needed for support of mechanical equipment or components shall be supplied by this contractor unless shown on the structural plans.

All access panels in finished walls or ceilings shall be supplied by this contractor for installation by the general contractor.

If any changes are required in the installation of mechanical or electrical services to any mechanical equipment accepted as substitutes, the mechanical contractor shall be responsible for any additional costs incurred or coordination required.

DRAWINGS

The accompanying drawings are a part of these specifications and are intended to show approximate and relative locations of services and equipment. They shall not be scaled to determine exact positions, locations and clearances.

Due to the diagrammatic layout and small scale of the drawings, certain piping and duct rises, drops, offsets, valves, and related specialties are not shown. The Contractor shall provide all ductwork, piping, fittings, valves, and specialties required to insure a complete installation without additional cost to the Owner.

All drawings and specifications pertaining to general construction, plumbing, HVAC, electrical and other work shall be carefully examined. Where physical interferences with his work occur because of his failure to consult other trades, this Contractor shall rearrange his work at his own expense.

SHOP DRAWINGS

The Contractor shall submit, with a letter of transmittal to the Architect, six (6) sets of shop drawings containing all capacities, performances, features, options, accessories and technical data of all materials and equipment listed herein. No work involving any materials and equipment covered by shop drawings shall be started until the respective shop drawings are approved.

VISIT TO THE SITE

Prior to submission of his bid, the Contractor shall visit the site to acquaint himself with the existing conditions. Bids as submitted will be interpreted to include all costs and change made necessary by such conditions.

COORDINATION OF WORK

Contractor shall coordinate his work with that of other trades. in case of interference or problems the architect shall decide which work is to be relocated, regardless of which is installed first.

When so directed by the architect, the contractor shall prepare dimensioned arrangement drawings at a scale of (1/4" = 1'0").

Layouts represented by these drawings shall be coordinated with all other trades.

LOCATION OF EQUIPMENT

All locations of HVAC equipment and pipe connections there to shall be verified by the Owner and Architect. The contractor shall verify locations sufficiently in advance of the installation to allow uninterrupted progress of the work of all trades.

The contractor shall obtain approval of all arrangement drawings before continuing their work.

MATERIALS AND EQUIPMENT

All materials and equipment, unless otherwise specified, shall be new and of the best quality, approved for their specific application.

This contractor shall provide, when required by the architect, labeled samples of materials to be used on the project. Samples shall be submitted for approval by the architect prior to their installation.

All materials and equipment installed by the contractor shall be securely and rigidly supported from or attached to the building structure.

WORKMANSHIP

All workmanship shall be done according to the best practices of the trade by qualified and competent tradesmen.

PROTECTION OF EQUIPMENT

The contractor shall protect all material and equipment from damage until final acceptance as installed. he shall close all openings during construction with temporary plugs and replace all damaged items with ones of exact sameness at his expense.

He shall schedule material and systems for delivery in such a pattern that critical pieces of equipment may be stored within the building, protected from weather. Where materials are stored outside, they must be protected from the elements and damage.

This contractor shall be responsible for coordinating the procurement of specified materials and equipment being supplied by his sub-contractors and suppliers.

SCAFFOLDING AND HOISTING

The contractor shall furnish and erect all scaffolding, hoists, shoring, platforms, railings, ladders, and other devices required by local, state, and federal laws to install his systems and equipment. Scaffolding and all other equipment shall be removed at completion of the work.

Contractor shall hoist or rig his own material and equipment into place or arrange for the rigging of it by others at his expense.

FOREMAN

Contractor must provide a competent foreman, subject to approval of the architect. the foreman shall be deemed the agent of the contractor and must be on duty at the building during all working hours.

Any instructions or notices given to the foreman shall have the same force as if given to the contractor in person.

CUTTING AND PATCHING

This contractor shall be responsible for all cutting and patching required for installation of work on this project. cutting and patching methods shall conform to the requirements for new construction contained in other sections of this specification.

1. Patching in surfaces that will remain visible when the project is finished shall be identical in appearance to the undisturbed surface.

2. Patches in fire rated walls, ceilings and floors shall maintain the fire rating of these barriers by the use of approved materials including special fire rated sealing compounds or materials identical to the barrier materials. refer to the architectural specifications for approved methods and materials. provide through-penetration firestopping for work of this contract; refer to specification section 23 0100 for firestopping materials.

3. Any patch work not deemed suitable by the architect, owner or cm will be replaced at the expense of the related contractor.

WORK SEQUENCE

Refer to architectural drawings and specifications for phasing requirements for this project. this contractor shall plan and coordinate his work in accordance with those requirements.

Each contractor shall have their systems active and running prior to occupancy. provide any and all temporary valves, pipe, vents, systems, etc. as required.

Mechanical contractor shall provide temporary piping, insulation, valves, etc as required to keep systems operational during the phased construction project.

CLEANING

Upon completion of the installation, thoroughly purge all piping of all obstructions and scale and adequately flush all liquid carrying piping to assure a clean system.

OPERATING AND MAINTENANCE INSTRUCTIONS

The contractor shall prepare for the owner, 3 hard bound volumes, each containing all operating instructions and information necessary for the care and maintenance of the system. these volumes shall be complete in every respect and shall include detailed operating instructions for each piece of equipment and diagrams for control wiring and piping so arranged and detailed that the maintenance staff may trace the control in event of operational malfunctioning.

The contractor shall submit 1 of the hard-bound volumes to the architect for approval prior to presenting same to owner.

Printed instructions covering the operation and maintenance of each item of equipment shall be posted at locations designated by the architect.

The contractor shall provide project records documents in accordance with requirements of division 1.

CLEANING AND FINISHING

After all tests have been made and the system proven satisfactory to the architect, the contractor shall go over the entire project, clean all equipment and material installed by him, and leave in a clean and working condition.

INSTRUCTION OF EMPLOYEES

At the completion of the work this contractor shall instruct the employees who shall have charge of the equipment in the care, adjustment, and operation of all parts of the system.

At the time designated by the architect, the equipment manufacturer's engineer shall instruct representatives of the owner in the operation and maintenance of the equipment.

GUARANTEE AND WARRANTIES

As set forth in the general conditions, the respective contractor(s) shall warrant in writing all work performed under these contracts.

All work done under these contracts shall be guaranteed by the respective contractors against defective materials and faulty workmanship for a period of 1 year from date of acceptance by the owner unless noted under each specification section for equipment.

During such a period, and before the expiration of each such guarantee, contractor shall agree to make any and all repairs, adjustments, or replacements which may become necessary, owing to initial settlement or shrinkage, defective material, workmanship, or installation.

He shall further agree to provide all labor and material which may be required and to restore to its original condition any adjacent work that he may disturb in making the necessary repairs, adjustments, or replacements in order to fulfill this guarantee.

GENERAL NOTE

The HVAC contractor shall replace filters in all new fan coils and unit ventilators at the completion of the project.

Provide functional testing for all HVAC equipment. contractor shall complete and submit mechanical equipment checkout sheet for each hvac unit.

(see attached). functional testing shall be completed by the HVAC contractor together with his ATC sub-contractor in the presence of the owner and engineer.

All mechanical equipment shall bear the label of an approved agency.

All mechanical equipment shall be installed in accordance with the manufacturers' installation instructions which shall be available at job site.

SECTION 2: MATERIALS

DUCTWORK

REFERENCES

A. ASTM A 90 _ WEIGHT OF COATING ON ZINC_COATED (GALVANIZED) IRON OR STEEL ARTICLES.

B. ASTM A 525 _ GENERAL REQUIREMENTS FOR STEEL SHEET, ZINC_ COATED (GALVANIZED) BY THE HOT_DIP PROCESS.

C. ASTM A 527 _ STEEL SHEET, ZINC_COATED (GALVANIZED) BY HOT_DIP PROCESS, LOCK FORMING QUALITY.

D. ASTM B209 _ ALUMINUM AND ALUMINUM_ALLOY SHEET AND PLATE.

E. NFPA 90A _ INSTALLATION OF AIR CONDITIONING AND VENTILATING SYSTEMS.

F. NFPA 96 _ INSTALLATION OF EQUIPMENT FOR THE REMOVAL OF SMOKE AND GREASE_LADEN VAPORS FROM COMMERCIAL COOKING

EQUIPMENT.

G. SMACNA _ HVAC AIR DUCT LEAKAGE TEST MANUAL.

H. SMACNA _ HVAC DUCT CONSTRUCTION STANDARDS _ METAL AND FLEXIBLE.

I. SMACNA _ FIBROUS GLASS DUCT CONSTRUCTION STANDARDS.

J. UL 181 _ FACTORY_MADE AIR DUCTS AND CONNECTORS.

K. UL 33 _ HEAT RESPONSIVE LINKS FOR FIRE_PROTECTION SERVICE.

L. UL 555 _ FIRE DAMPERS AND CEILING DAMPERS.

M. ASHRAE HANDBOOK _ SYSTEMS VOLUME, CHAPTER “SOUND AND VIBRATION CONTROL”.

N. ASHRAE 70 _ METHOD OF TESTING FOR RATING THE AIR FLOW PERFORMANCE OF OUTLETS AND INLETS.

MATERIALS

Galvanized Ductwork - Ductwork shall be in accordance with ASHRAE and SMACNA Standards.

Size shall be as follows: Rectangular Duct

Largest Duct Dimension Steel U.S. Standard Gauge

Up through 12" 26 13" through 30 24 30" through 54" 22 55" through 84" 20 84" and above 18

Flexible Ductwork - Flexible round ductwork shall consist of a vinyl coated spring steel helix bonded to a vinyl coated fiberglass liner wrapped with fiberglass wool insulation providing a thermal conductance of 0.23 Btu./hr./sq. ft./0. Outer jacket shall be reinforced metalized mylar/neoprene laminate. Ducts shall be "Thermaflex" as manufactured by Automation Industries Flexible Tubing Division Type M-KH or type VTKC as manufactured by the Wiremold Company, suitable for an operating temperature from 0F to 180F and 2" wg. Clamps, connectors and the installation shall be as recommended by the manufacturer. Ducts shall be listed by Underwriters Laboratories under their UL-181 standards as Class 1 air duct and comply with NFPA Standard No. 90A. (Maximum 8 foot length.)

PRE-MANUFACTURED EXTERIOR DUCTWORK (BASE BID)

A. Manufacturers:

1. Basis of Design: Dual-Tech System by PTM Manufacturing, LLC

B. Exterior duct system shall be Dual-Tech System, by PTM Manufacturing, LLC. Newark DE, 19713 (800-455-1402). PTM design guidelines shall be strictly adhered to. Ductwork shall be Double Wall Kingspan KoolDuct encased with PTM beaded and silicone sealed white .032 Aluminum.

C. Material:

1. Ductwork shall be double wall R8 Kingspan KoolDuct. The panels used in the fabrication of Dual-Tech ductwork from the Kingspan KoolDuct System shall be Kingspan KoolDuct rigid phenolic insulation panels of nominal dimensions 12.89 x 3.94' and minimum compressive strength 29 psi, as manufactured by Kingspan Insulation Ltd.

2. Kintspan KoolDuct rigid phenolic insulation panels shall comprise a 3.4-3.75 pcf nominal density CFD/HCFC-free rigid phenolic insulation core with zero Ozone Depletion Potential (ODP), autohesively bonded on both sides to a 1 mil low vapor permeability aluminum foil facing reinforced with a 0.2" glass scrim.

3. Kingspan KoolDuct rigid phenolic insulation panels are available in thicknesses of 1- 3/16" (R-8.1 ft2.hr.°F/Btu), as per design Thermal Requirements for double wall and a combined R16 thermal value.

4. All other components required for the fabrication of ductwork from the Kingspan KoolDuct System including the silicone sealant, contact adhesive, aluminum tape, self- adhesive gasket, ductwork reinforcements, closures, connectors and flanges shall be as approved/supplied by Kingspan Insulation Ltd.

5. Weather barrier shall be fabricated of mill finished white aluminum sheeting, 0.032" in thickness. Exposed seams shall be covered with 1" butyl and 8" embossed aluminum beaded bands, secured with #10 self-tapping, stainless screws with weather seal washers.

6. All weather barrier abutment locations, an industrial grade RTV silicone caulk shall be utilized, where applicable.

7. Seams exposed to the weather shall be covered and sealed with a 1" wide by 1/8" thick butyl compound.

8. All screws utilized to fasten panel system together shall be #10 x 1/2" self-tapping, stainless steel, weather seal washer screws painted white.

9. Contact cement or 2-sided adhesive tape shall be utilized for laminating insulation material to the weather barrier sheeting.

10. Foil tape used for sealing the insulation edges shall be a minimum thickness of 1.25 mil.

D. Fabrication:

1. Sizing: Panel system shall be sized in four overlapping sections to provide a complete seal surrounding KoolDuct ducting.

2. Shall be laminated to the weather barrier and sized to allow for sufficient overlap as indicated in section 3.0 above. Second wall ducting shall be adhered utilizing appropriate contact method.

3. Where feasible all general fabrication shall be performed in the shop and be based off of approved project drawing or direct field measurements.

4. Field fabrication should be limited to routing and sealing of the ducting sections to allow for duct angle, supports, gauges or other duct related necessities.

All routed areas shall be resealed with appropriate foil faced cast tape. No insulation/phenolic material shall be exposed to the environment.

E. Installation:

1. Ducting system sections shall be fitted into place and connected using aluminum flange and KoolDuct gasket as designed by Kingspan.

2. Once fitted, joints will be covered with 1-3/16" R8 KoolDuct with overlap seams and covered with a 5" beaded banding fabricated of mill finished white aluminum sheeting, 0.032" in thickness. Edges to be covered with 1" butyl. Embossed aluminum beaded bands, secured with #10 self-tapping, stainless screws with weather seal washers painted white.

3. All weather barrier abutment locations, an industrial grade RTV silicone caulk shall be utilized, where applicable.

F. Materials:

1. Fire and Smoke Performance:

a. The rigid phenolic insulation panels used in…