20220214_LAFAYETTE HVAC_ CDs.pdf

PDF 2 MB Posted Oct 16, 2024

Attached to: CHI memorial renovations
Solicitation number: PE-66717-NONST-2025-000000007
Issued by: Wilcox County, Georgia

About this file

Written by GovTribe AI · Oct 21, 2024

This document appears to be a set of technical specifications and drawings for a partial HVAC upgrade of a medical office building located in Lafayette, Georgia. The project is being managed by the project architect, Jeffrey L. Rayburn, and is being constructed by the general contractor, ARTEC Mechanical.

The key details of the project include the removal of existing gas furnaces, condensing units, and associated ductwork, and the installation of new horizontal gas furnaces, condensing units, and associated ductwork and controls. An energy recovery ventilator (ERV) will also be installed in the attic to precondition outside air supplied to the new gas furnaces. The project includes new exhaust ductwork, rooftop exhaust fans, and a new kitchen range hood with associated ductwork. The project is scheduled to be completed by February 11, 2022.

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One Medical Office Park _ Partial Upgrade Bui.pdf	PDF	Oct 16, 2024
E1_1.pdf	PDF	Oct 16, 2024
E2_1.pdf	PDF	Oct 16, 2024
E2_0.pdf	PDF	Oct 16, 2024
20220214_LAFAYETTE PLBG_CDs.pdf	PDF	Oct 16, 2024
bee well clinic (RLR edit).docx	DOCX document	Oct 16, 2024

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C O

O O

G A, T N

W W

W .A

C H

.P R

O37

JOB NO. D'WN CK'D

ISSUE DATES

INITIAL ISSUE

Wd-30 KDY JLR

L U

A D

E B

G O

N E

E M

A L

H W

A Y

E G

02/11/22

J E

FREY L . RAYBU

R N

02/11/22

A/C AIR CONDITIONING

ACU AIR CONDITIONING UNIT

ADA AMERICANS WITH DISABILITIES ACT

AF AIRFOIL

AFF ABOVE FINISHED FLOOR

AHU AIR HANDLING UNIT

ARCH ARCHITECTURAL

BFF BELOW FINISHED FLOOW

BLDG BUILDING

BTU BRITISH THERMAL UNTIS

BTH BRITISH THERMAL UNITS PER HOUR

CD CONDENSATE DRAIN

CO CLEANOUTS

CONT'D CONTINUED

CW DOMESTIC COLD WATER

DN DOWN

DWG DRAWING

ECO EXTERIOR CLEANOUT

ELEC ELECTRIC, ELECTRICAL

EFF EFFICIENCY

ELEV ELEVATION

ESP EXTERNAL STATIC PRESSURE

°F DEGREES FAHRENHEIT

FD FLOOR DRAIN

FDC FIRE DEPARTMENT CONNECTION

FLA FULL LOAD AMPS

FOB FLAT ON BOTTOM

FOT FLAT ON TOP

FT FOOT, FEET

FS FLOOR SINK

G GAS

GAL GALLON, GALLONS

GI GREASE INTERCEPTOR

GM GAS METER

GPM GALLONS PER MINUTE

GW GREASE WASTE

HB HOSE BIB

HP HORSEPOWER

HW DOMESTIC HOT WATER

HWR DOMESTIC HOT WATER RECIRC.

HZ HERTZ (CYCLES PER SECOND)

IN INCH, INCHES

IN WG INCHES OF WATER GAUGE

INV INVERT ELEVATION

KW KILOWATTS

LAV LAVATORY

LBS POUNDS

LRA LOAD RATED AMPS

LWT LEAVING WATER TEMPERATURE

MAX MAXIMUM

MBH THOUSAND BRITISH THERMAL UNITS PER HOUR

MCA MINIMUM CIRCUIT AMPACITY

MIN MINIMUM

MS MOP SINK

OED OPEN ENDED DUCT

OSD OPEN SITE DRAIN

PD PRESSURE DROP

PH PHASE

PROP PROPELLER

PRV PRESSURE REDUCING VALVE

PSI POUNDS PER SQUARE IN

RD ROOF DRAIN

RH RELATIVE HUMIDITY

RL RAIN LEADER

RLA RATED LOAD AMPS

RPM REVOLUTIONS PER MINUTE

SAN SANITARY

SH SHOWER

SK SINK

SL SOUND LINING

SP STATIC PRESSURE

SQ.FT, SF SQUARE FOOT, FEET

SS SANITARY SEWER

TEMP TEMPERATURE

TP TRAP PRIMER

TUB BATHTUB

TYP TYPICAL

UR URINAL

V VENT

VAV VARIABLE AIR VOLUME

VD VOLUME DAMPER

VFD VARIABLE FREQUENCY DRIVE

VSD VARIABLE SPEED DRIVE

VTR VENT THROUGH ROOF

W/ WITH

WC WATER CLOSET

WG WATER GAUGE

WH WATER HEATER

WHA WATER HAMMER ARRESTOR

WMS WIRE MESH SCREEN

WYE STRAINER WITH DRAIN VALVE AND CAP

MANUAL AIR VENT

PRESSURE/TEMPERATURE TEST PORT

THERMOMETER

WATER PRESSURE GAUGE WITH COCK

PUMP

CONCENTRIC PIPE REDUCER/INCREASER

UNION

FLOW SWITCH

FLOW METER

TEMPERATURE SENSOR

P PRESSURE SENSOR

PIPE CONTINUATION

BACKFLOW PREVENTER

WATERTIGHT SLEEVE

FREEZE PROOF HOSE BIBB WITH SOV INLINE

ABBREVIATIONS

DUCTWORK

SYMBOL

PIPING SYSTEMS LEGEND

DESCRIPTION

THERMOSTAT / TEMPERATURE SENSOR

DUCT SMOKE DETECTOR

SUPPLY AIR FLOW DIRECTION

DUCT CONTINUATION

SUPPLY DIFFUSER BLANK OFF

M0.1 MECHANICAL COVER SHEET

M1.1 MECHANICAL HVAC DEMOLITION PLAN

M2.1 MECHANICAL HVAC NEW WORK PLAN

M2.2 MECHANICAL ATTIC HVAC NEW WORK PLAN

M2.3 MECHANICAL PIPING NEW WORK PLAN

M3.1 MECHANICAL SCHEDULES & SPECIFICATIONS

M3.2 MECHANICAL SPECIFICATIONS

M4.1 MECHANICAL DETAILS

M4.2 MECHANICAL DETAILS

INTAKE / EXHAUST / RETURN AIR FLOW DIRECTION

VALVES

GENERAL SYMBOLS

SHUT-OFF VALVE

COMBINATION BALANCING AND SHUT-OFF VALVE

BALL VALVE

BUTTERFLY VALVE

CHECK VALVE

PRESSURE REDUCING VALVE

GAS COCK

TWO-WAY CONTROL VALVE (ELECTRIC)

THREE-WAY CONTROL VALVE (ELECTRIC)

DRAWING LIST

M101

PLAN IDENTIFIER

TITLE

SCALE

SECTION IDENTIFIER

DIRECTION OF VIEW

SHEET WHERE SECTION IS DRAWN

DETAIL IDENTIFIER

SHEET WHERE PLAN IS DRAWN

PLAN / DETAIL TITLE

SECTION INDICATION

DETAIL INDICATION

DIFFUSER TAG

SYMBOL DESCRIPTION

KEYED NOTE

POINT OF REMOVAL

POINT OF CONNECTION TO EXISTING

PIPING EQUIPMENT

DESIGN CRITERIA

CODES

1. SHEET METAL AND AIR CONDITIONING CONTRACTORS NATIONAL

ASSOCIATION, INC., (SMACNA):

HVAC DUCT CONSTRUCTION STANDARDS 2005 EDITION

2. INTERNATIONAL CODE COUNCIL (ICC):

INTERNATIONAL BUILDING CODE (IBC) - 2012

INTERNATIONAL MECHANICAL CODE (IMC) - 2012

INTERNATIONAL PLUMBING CODE (IPC) - 2012

INTERNATIONAL ENERGY CONSERVATION CODE (IECC) - 2012

3. NATIONAL FIRE PROTECTION ASSOCIATION (NFPA):

NFPA 90A - AIR CONDITIONING AND VENTILATING SYSTEMS - 2012

NFPA 90B - WARM AIR HEATING AND AIR CONDITIONS SYSTEMS - 2012

5. AMERICAN SOCIETY OF HEATING, REFRIGERATING, AND

AIR-CONDITIONING ENGINEERS (ASHRAE)

ASHRAE 170 - VENTILATION OF HEALTH CARE FACILITIES

GENERAL LINETYPES

DEMOLITION

EXISTING

NEW WORK

X CFM-S

SIZE

DIFFUSER TAG

GRILLE SIZE AND / OR DIFFUSER NECK SIZE

AIRFLOW AND DESIGNATOR

S = SUPPLY

R = RETURN

E = EXHAUST

DESCRIPTIONSYMBOL

HUMIDISTAT / HUMIDITY SENSORH

PRESSURE RELIEF VALVE

TWO-WAY CONTROL VALVE (PNEUMATIC)

THREE-WAY CONTROL VALVE (PNEUMATIC)

A. THE CONTRACTOR SHALL COMPLY WITH ALL THE LAWS, ORDINANCES, RULES AND

REGULATIONS OF ALL LOCAL AND STATE GOVERNMENTAL AUTHORITIES, THE RULES OF

THE NATIONAL FIRE PROTECTION ASSOCIATION AS INTERPRETED BY THE ENFORCING

AUTHORITY HAVING JURISDICTION AND OF THE PUBLIC UTILITIES HAVING CONNECTION

WITH ANY OF THE SYSTEMS HEREIN SPECIFIED.

B. THE CONTRACTOR SHALL SECURE AND PAY FOR ALL PERMITS AND INSPECTIONS

REQUIRED BY ANY OF THE FOREGOING AUTHORITIES, AND PAY FOR ALL OTHER COSTS

IN CONNECTION WITH THE WORK. ALL CERTIFICATES SHALL BE IN DUPLICATE AND

SHALL BE DELIVERED TO THE OWNER.

C. THE SITE, LOCATION AND ROUTING OF SYSTEMS INDICATED TO HAVE NEW

CONNECTIONS MADE TO THEM ARE SHOWN AS ACCURATELY AS FIELD CONDITIONS

WOULD PERMIT. CONTRACTOR SHALL VISIT THE SITE AND THOROUGHLY EXAMINE THE

CONTRACT DRAWINGS. ALL EXISTING CONDITIONS SHALL BE EXAMINED AND THEIR

EXACT LOCATIONS VERIFIED. THE CONTRACTOR SHALL REPORT TO THE ENGINEER ANY

CONDITIONS WHICH MIGHT MAKE INSTALLATION OF REQUIRED EQUIPMENT A PROBLEM.

NO CONSIDERATION OR ALLOWANCE WILL BE GRANTED FOR FAILURE TO INVESTIGATE

CONDITIONS OR MISUNDERSTANDINGS OF THE CONTRACTUAL REQUIREMENTS.

D. THE CONTRACTOR SHALL INSTALL AND CONNECT ALL EQUIPMENT AND MATERIALS IN

ACCORDANCE WITH THE BEST ENGINEERING PRACTICE AND, UNLESS OTHERWISE

SHOWN OR SPECIFIED, FOLLOW THE MANUFACTURER'S PRINTED INSTALLATION

REQUIREMENTS AND RECOMMENDATIONS AND FURNISH AND INSTALL ALL REQUIRED

AUXILIARY ITEMS COMPLETE.

E. THE CONTRACTOR SHALL REPAIR ALL WALLS, CEILING, FLOORS, ETC., THAT ARE

REQUIRED TO BE PENETRATED, OR OTHERWISE DISTURBED. THE REPAIRS SHALL BE

WITH MATERIALS AND FINISHES TO MATCH EXISTING. ALL FIRE WALL PENETRATIONS

SHALL BE SEALED WITH SUITABLE MATERIALS TO PRESERVE FIRE WALL INTEGRITY.

CONTRACTOR SHALL NOT CUT ANY STRUCTURAL MEMBER.

F. DRAWINGS SHALL BE CONSIDERED DIAGRAMMATIC. WHILE THE DRAWINGS ARE

GENERALLY TO SCALE AND ARE AS ACCURATE AS THE SCALE WILL PERMIT, ALL

IMPORTANT DIMENSIONS SHALL BE DETERMINED IN THE FIELD.

G. ALL BUILDING SYSTEMS SHALL REMAIN IN SERVICE UNLESS INDICATED OTHERWISE. ALL

OUTAGES OR INTERRUPTIONS SHALL BE KEPT TO MINIMUM DURATION. NOTIFY THE

OWNER 48 HOURS IN ADVANCE OF ANY OUTAGE OR INTERRUPTION.

H. COORDINATE WITH ALL TRADES TO AVOID INTERFERENCE AMONG MECHANICAL,

ELECTRICAL, ARCHITECTURAL AND STRUCTURAL ITEMS. PROVIDE ALL NECESSARY

OFFSETS IN PIPING, DUCTWORK AND FITTINGS ETC., REQUIRED TO PROPERLY INSTALL

THE WORK WITHOUT INTERFERENCES.

I. IF TEMPORARY CONNECTIONS ARE NECESSARY TO ASSURE THIS CONTINUITY OF

SERVICES, THEY SHALL BE FURNISHED BY THE CONTRACTOR WITHOUT ANY ADDITIONAL

CHARGE TO THE OWNER AND SHALL BE REMOVED WHEN NO LONGER NECESSARY.

J. THE CONTRACTOR SHALL SO ARRANGE AND EXECUTE HIS WORK THAT ANY

CONNECTIONS BOTH TEMPORARY OR PERMANENT TO, OR REARRANGEMENT OF,

PRESENT EQUIPMENT, PIPING, ETC., SHALL BE MADE IN SUCH A MANNER AS TO ASSURE

FULL RESUMPTION OF SERVICE AT THE TIME DESIGNATED BY THE OWNER.

K. THE CONTRACTOR SHALL LOCATE ALL EQUIPMENT WHICH MUST BE SERVICED,

OPERATED OR MAINTAINED IN FULL ACCESSIBLE POSITIONS. IF REQUIRED FOR BETTER

ACCESSIBILITY, FURNISH ACCESS DOORS FOR THIS PURPOSE. MINOR DEVIATIONS FROM

DRAWINGS MAY BE MADE TO ALLOW FOR BETTER ACCESSIBILITY, BUT CHANGES OF

MAGNITUDE WHICH INVOLVE EXTRA COSTS SHALL NOT BE MADE WITHOUT APPROVAL.

L. ALL DIMENSIONS FOR EXISTING DUCTWORK SHALL BE VERIFIED IN THE FIELD BY THE

CONTRACTOR PRIOR TO CONSTRUCTION, WHERE NEW WORK CONNECTIONS ARE

INDICATED. NEW DUCT DIMENSIONS SHOWN ARE INSIDE CLEAR DIMENSIONS.

M. OPENINGS REMAINING IN EXISTING PIPING/DUCTWORK AS A RESULT OF DEMOLITION

SHALL BE SEALED WITH AN AIRTIGHT/WATERTIGHT SHEET METAL CAP. WHERE EXISTING

SYSTEMS ARE INSULATED, WORK SHALL INCLUDE REPAIR AND REPLACEMENT OF

INSULATION EITHER DAMAGED OR REMOVED AS A RESULT OF DEMOLITION.

N. WHEN EXISTING SYSTEMS MUST BE INTERRUPTED, PERFORM WORK AS EXPEDITIOUSLY

AS POSSIBLE. CONTRACTOR SHALL NOTIFY THE OWNER 48 HRS IN ADVANCE OF ANY

INTERRUPTION AND SHALL OBTAIN PERMISSION FROM THE OWNER PRIOR TO

INITIATING THE INTERRUPTION.

GENERAL NOTES

A. ALL EXISTING EQUIPMENT AND MATERIALS TO BE REMOVED SHALL BE TAKEN TO

SALVAGE OR AS DIRECTED BY OWNER. ALL ITEMS WHICH ARE NOT TO BE STORED ON

SITE BY OWNER SHALL BE REMOVED FROM THE BUILDING IMMEDIATELY.

B. CONTRACTOR SHALL PATCH OPENINGS CREATED BY DEMOLITION ACTIVITIES WITH NEW

MATERIALS MATCHING ADJACENT SURFACES AND PAINT TO MATCH.

C. CONTRACTOR SHALL NOT CUT ANY STRUCTURAL MEMBER.

D. ALL DIMENSIONS INDICATED ARE BELIEVED TO BE ACCURATE, BUT ARE NOT

GUARANTEED TO BE SO. CONTRACTOR SHALL FIELD VERIFY ALL DIMENSIONS AND

REPORT ANY DISCREPANCIES TO THE PROJECT MANAGER AND ARCHITECT.CONTRACTOR

SHALL COORDINATE REMOVAL AND CLEAN-UP OF ALL DEBRIS CAUSED BY HIS WORK

DURING CONSTRUCTION AND THE STORAGE OF BUILDING MATERIALS. CLEAN ALL AREAS

TO "AS IS" CONDITIONS AT THE END OF EACH WORK DAY.

E. CONTRACTOR SHALL FIELD VERIFY ALL SITE CONDITIONS PRIOR TO SUBMITTING BID.

F. ALL PATCHING OF EXISTING CONSTRUCTION SHALL BE DONE TO MATCH EXISTING

MATERIALS AND FINISHES, UNLESS OTHERWISE NOTED.

G. CONTRACTOR SHALL BE RESPONSIBLE FOR THE COORDINATION OF WORK BY ALL SUB

CONTRACTORS.

H. CONTRACTORS ARE TO CONFINE CONSTRUCTION TRAFFIC AND DEBRIS REMOVAL TO

CONSTRUCTION AREA AS MUCH AS POSSIBLE TO MINIMIZE DUST.

GENERAL DEMOLITION NOTES

RETURN GRILLE; RETURN DUCT IN SECTION

SUPPLY DIFFUSER; SUPPLY DUCT IN SECTION

MANUAL BALANCING/VOLUME DAMPER

NEW DUCTWORK, PIPE OR EQUIPMENT

MOTORIZED DAMPER

EXISTING DUCTWORK, PIPE OR EQUIPMENT TO REMAIN

EXISTING DUCTWORK, PIPE OR EQUIPMENT TO BE DEMOLISHED

EXHAUST GRILLE; EXHAUST DUCT IN SECTION

24x12

24x24

24x12

24"

24x12

SQUARE TO ROUND CONCENTRIC TRANSITION

SQUARE DUCT TAKE OFF, TOP

SQUARE DUCT TAKE OFF, BOTTOM

ROUND DUCT TAKE OFF

ROUND DUCT ELEVATION CHANGE, UP

ROUND DUCT ELEVATION CHANGE, DOWN

ROUND ELBOW 45°, RADIUS

ROUND ELBOW 90°, RADIUS

DUCTWORK DIMENSION LABEL (24" DIAMETER)

SQUARE DUCT TAKE OFF, SIDE

SQUARE DUCT ELEVATION CHANGE, 90° UP

SQUARE DUCT ELEVATION CHANGE, 90° DOWN

SQUARE ELBOW 45°, MITERED

SQUARE ELBOW WITH DOUBLE THICKNESS TURNING VANES

DUCTWORK DIMENSION LABEL (24" WIDTH x 12" HEIGHT)

NEW FLEXIBLE DUCTWORK

SQUARE DUCT ELEVATION CHANGE, 45° RISE

SQUARE DUCT ELEVATION CHANGE, 45° DROP

FIRE DAMPER

BACKDRAFT DAMPER

FIRE SMOKE DAMPER

BDD

FSD

DESCRIPTIONSYMBOL

FLOW DIRECTION

LPS LOW PRESSURE STEAM

LPC LOW PRESSURE CONDENSATE RETURN

CHWS CHILLED WATER SUPPLY

CHWR CHILLED WATER RETURN

CD CONDENSATE DRAIN

PIPE PITCHED IN DIRECTION OF FLOW

SYMBOL DESCRIPTION

PIPE 90° TURN DOWN

PIPE 90° TURN UP

PIPE TRANSITION

NEW PIPE

EXISTING PIPE TO BE DEMOLISHED

EXISTING PIPE TO REMAIN

PIPING WITH INSULATION

HWS HOT WATER SUPPLY

HWR HOT WATER RETURN

FLEXIBLE PIPE CONNECTOR

NOTE: DIFFUSER / GRILLE RUNOUT TO MATCH NECK SIZE.

DUCTWORK WITH EXTERNAL INSULATION

DUCTWORK WITH INTERNAL LINING

SCALE:

DETAIL TITLE

1/8" = 1'-0"

M0.1

COVER SHEET

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(ETR)

UP TO

EF (ETR)

C O

O O

G A, T N

W W

W .A

C H

.P R

O37

JOB NO. D'WN CK'D

ISSUE DATES

INITIAL ISSUE

Wd-30 KDY JLR

L U

A D

E B

G O

N E

E M

A L

H W

A Y

E G

02/11/22

J E

FREY L . RAYBU

R N

02/11/22

M1.1

HVAC DEMOLITION

PLAN

SCALE:

HVAC DEMOLITION PLAN

3/16" = 1' - 0"

DEMOLITION KEY NOTES:

A. REMOVE EXISTING GAS FURNACE, CONDENSING UNIT, AND

ALL ASSOCIATED REFRIGERANT LINE SETS, DUCTWORK, AIR

TERMINALS AND CONTROLS AS INDICATED. RETURN UNITS OR

DISPOSE OF AS DIRECTED BY OWNER (CHI)

B. REMOVE AIR TERMINALS / RUNOUTS AND BRANCH DUCTWORK

BACK TO POINTS INDICATED.

C. REMOVE EXISTING AIR TERMINAL / RUNOUT AS SHOWN.

EXISTING AIR TERMINAL IS TO BE RELOCATED TO NEW

LOCATION IN NEW RCP PER NEW WORK PLAN. CLEAN AND

PAINT AIR TERMINAL PRIOR TO BEING PUT BACK INTO

SERVICE.

D. EXISTING GAS FURNACE IS TO REMAIN AND BE REUSED.

EXISTING UNIT IS TO BE CLEANED AND SERVICED PRIOR TO

BEING PUT BACK INTO SERVICE.

E. REMOVE EXISTING EXHAUST FAN, DUCTWORK, CONTROLS

AND ELECTRICAL APPURTENANCES ASSOCIATED WITH

EXHAUST FAN SERVING EXISTING RESTROOM.

A A A

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EXAM 3

EXAM 4

LAB

TOILET

E11

PROVIDER

E12

EXAM 5

E13

EXAM 6

E14

STORAGE

E19

OFFICE

E20

EXAM 16

E29

XRAY

BREAK ROOM

34 TOILET

E35

JENNIFER

E36

CARE TEAM

E37

TOILET

E38

ELEC

E42

PROVIDER

EXAM

BARIATRIC

CLEAN

STAFF TOILET

50 CARE TEAM

52 CHECK IN

TOILET

STORAGE

EXAM

PROVIDER

EXAM

CALL CENTER

SOILED

EXAM

E67

MEDS

CORRIDOR

A6.1

WAITING

2 1

A 185-S

A 140-S 2408 A 140-S

A 140-S

A 125-S

A 55-S

A 100-S

A 80-S

A 75-S

A 50-S

A 50-S 1206 A 30-S

A 110-S

A 140-S

"ø

12"ø

14"ø

8"ø 10"ø

8" ø

10"ø 12"ø

"ø

14"ø

8"ø 10"ø

8"ø

8" ø

8"ø

"ø

10"ø

8"ø

"ø

14"ø

"ø

14"ø

"ø (TYP OF 4)

B 125-E

B 150-E

B 85-E

B 125-E

10"ø8"ø

12"ø

B 90-R 2412 B 130-R

(TYP OF 2)

B 130-R

8" ø

12"ø

8" ø

B 60-R

B 310-R

B 110-R

(TYP OF 2)

B 110-R

B 40-R

(TYP OF 4)

B 675-R

B 525-R

A 50-S

VD VD

VDVDVDVD

VD VD VD VD VD

VDVDVDVD VDVD

VD VD VD VD VD

VDVDVDVD

VDVD

VD VD

GF-1

GF-2

GF-3

GF-4

GF-5

(ETR)

8"ø

EDH-1

12"ø

EDH-2

EDH-3

6"ø 6"ø

CAP

CAPX 200-S

X 200-S

X 125-S

A 340-S

B 300-R

B 100-R

10" 1-1/2"

1-1/2"

CU-1

CU-2 CU-3 CU-4 CU-5

HD-1

UP TO

EF (ETR)

B 500-E 24X24

EF-112X12

C O

O O

G A, T N

W W

W .A

C H

.P R

O37

JOB NO. D'WN CK'D

ISSUE DATES

INITIAL ISSUE

Wd-30 KDY JLR

L U

A D

E B

G O

N E

E M

A L

H W

A Y

E G

02/11/22

J E

FREY L . RAYBU

R N

02/11/22

M2.1

HVAC NEW WORK

PLAN

SCALE:

HVAC NEW WORK PLAN

3/16" = 1' - 0"

NEW WORK KEY NOTES:

1. LOCATE NEW HORIZONTAL GAS FURNACE IN CEILING PLENUM AS

APPROXIMATELY INDICATED. ADJUST UNIT LOCATION, DUCT ROUTING, AND

SYSTEM CONFIGURATION TO ACCOMMODATE EXISTING CONDITIONS.

FURNACE IS TO BE INSTALLED PER MANUFACTURER'S WRITTEN

INSTRUCTIONS. SUSPEND UNIT FROM STRUCTURE USING VIBRATION

ISOLATORS AND PROVIDE CONDENSATE DRAIN PAN COMPLETE WITH

AUXILIARY LEAK DETECTOR AS NOTED ON THE INSTALLATION DETAIL ON

M4.2. ROUTE LINE SET TO CORRESPONDING CONDENSING UNIT ON GRADE.

PROVIDE ISOLATION VALVES IN LINE SET AT BOTH THE INDOOR AND

OUTDOOR UNITS FOR FUTURE SERVICE.

2. 8" OUTSIDE AIR DUCT (W/ VOLUME DAMPER) DOWN FROM ERV IN ATTIC.

SEE ATTIC HVAC PLAN ON M2.2 FOR DUCTWORK ASSOCIATED WITH ERV.

3. 8" EXHAUST AIR DUCT (W/ VOLUME DAMPER) DOWN FROM ERV IN ATTIC.

SEE ATTIC HVAC PLAN ON M2.2 FOR DUCTWORK ASSOCIATED WITH ERV.

4. 8" OUTSIDE AIR DUCT (W/ VOLUME DAMPER) DOWN FROM ATTIC. SEE ATTIC

HVAC PLAN ON M2.2 FOR CONTINUATION OF DUCTWORK.

5. PROVIDE FURNACE WITH 3" CONCENTRIC VENT KIT. ROUTE VENT PIPING UP

THROUGH ATTIC TO NEW ROOF CONCENTRIC VENT TERMINATION. SEE

DETAIL ON M4.2.

6. RELOCATE EXISTING AIR TERMINAL TO NEW LOCATION SHOWN IN RCP.

RECONNECT TO EXISTING SUPPLY DUCTWORK AS INDICATED.

7. LOCATE NEW CONDENSING UNIT ON NEW 6" HOUSEKEEPING PAD. ROUTE

REFRIGERANT PIPING FROM CONDENSING UNIT TO CORRESPONDING

FURNACE UNIT MINIMIZING PIPING EXPOSED ON EXTERIOR. SEAL ALL

PENETRATIONS TO EXTERIOR WEATHER TIGHT. MAINTAIN MANUFACTURERS

RECOMMENDED CLEARANCES.

8. RELOCATE EXISTING SYSTEM T'STAT TO NEW LOCATION IN X-RAY ROOM.

9. LOCATE RANGE HOOD OVER APPLIANCE AS SHOWN. ROUTE NEW 12" ROUND

DUCTWORK FROM HOOD'S TOP DISCHARGE UP TO ATTIC SPACE. CONNECT

TO MANUFACTURER PROVIDED INLINE EXHAUST FAN. ROUTE 12" DUCTWORK

THROUGH NEW ROOF PENETRATION PER DETAIL ON DETAILS SHEET. HOOD

IS TO BE PROVIDED WITH RANGE ELECTRICAL DISCONNECT.

a. ROUND DUCT RUNOUTS TO INDIVIDUAL DIFFUSERS TO BE SAME SIZE AS

DIFFUSER NECK UNLESS OTHERWISE NOTED.

GENERAL SHEET NOTES:

7 7 7

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EXAM 4

LAB

TOILET

E11

PROVIDER

E12

EXAM 5

E13

EXAM 6

E14

STORAGE

E19

OFFICE

E20

EXAM 16

E29

XRAY

BREAK ROOM

34 TOILET

E35

JENNIFER

E36

CARE TEAM

E37

TOILET

E38

ELEC

E42

PROVIDER

EXAM

BARIATRIC

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52 CHECK IN

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"ø

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8" ø

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INITIAL ISSUE

Wd-30 KDY JLR

L U

A D

E B

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N E

E M

A L

H W

A Y

E G

02/11/22

J E

FREY L . RAYBU

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02/11/22

M2.2

ATTIC HVAC NEW

WORK PLAN

SCALE:

ATTIC HVAC NEW WORK PLAN

3/16" = 1' - 0"

NEW WORK KEY NOTES:

1. LOCATE NEW ENERGY RECOVERY UNIT (ERV) IN ATTIC AS

APPROXIMATELY INDICATED. SUSPEND UNIT FROM STRUCTURE USING

VIBRATION ISOLATORS. ADJUST UNIT LOCATION, DUCT ROUTING, AND

SYSTEM CONFIGURATION TO ACCOMMODATE EXISTING CONDITIONS.

2. 8" OUTSIDE AIR DUCT (W/ VOLUME DAMPER) DOWN TO FURNACE

RETURN DUCTWORK CONNECTION. SEE HVAC PLAN ON M2.1 FOR

CONTINUATION OF DUCTWORK.

3. 8" EXHAUST AIR DUCT (W/ VOLUME DAMPER) DOWN TO EXHAUST

GRILLE. SEE HVAC PLAN ON M2.1 FOR DUCTWORK ASSOCIATED WITH

ERV.

4. 8" OUTSIDE AIR DUCT (W/ VOLUME DAMPER) DOWN TO FURNACE

RETURN DUCTWORK CONNECTION. SEE HVAC PLAN ON M2.1 FOR

CONTINUATION OF DUCTWORK.

5. NEW 24x12 LOUVER IN EXTERIOR WALL TO DISCHARGE EXHAUST FROM

ERV-1. COORDINATE EXACT LOCATION WITH ARCHITECT. SLEEVE AND

SEAL BUILDING PENETRATION WATER TIGHT. LOUVER IS TO BE EQUAL

TO UNITED ENERTECH MODEL FL-D-4 SIZED TO PROVIDE A FREE AREA

OF 0.71sqft. FOR 485cfm AT A 683fpm FACE VELOCITY. PROVIDE 10FT

OF LINEAR SEPARATION FROM ALL OUTSIDE AIR INTAKES.

6. CONNECT 24X12 OUTSIDE AIR DUCTWORK TO EXISTING ATTIC

SIDEWALL OUTSIDE AIR INTAKE LOUVER AT APPROXIMATE LOCATION

INDICATED.

7. CONNECT 8X8 OUTSIDE AIR DUCTWORK TO EXISTING ATTIC SIDEWALL

OUTSIDE AIR INTAKE LOUVER AT APPROXIMATE LOCATION INDICATED.

8. NEW 12" ROUND DUCTWORK UP FROM HOOD DISCHARGE. CONNECT

TO MANUFACTURER PROVIDED INLINE EXHAUST FAN. ROUTE 12"

DUCTWORK THROUGH NEW ROOF PENETRATION PER DETAIL ON

DETAILS SHEET.

9. 12X12 EXHAUST DUCT UP TO NEW ROOF MOUNTED EXHAUST FAN.

3 3

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02/11/22

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FREY L . RAYBU

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02/11/22

M2.3

HVAC PIPING NEW

WORK PLAN

SCALE:

HVAC PIPING NEW WORK PLAN

3/16" = 1' - 0"

NEW WORK KEY NOTES:

1. ROUTE REFRIGERANT PIPING FROM CONDENSING UNIT TO

CORRESPONDING FURNACE UNIT MINIMIZING PIPING EXPOSED ON

EXTERIOR. SEAL ALL PENETRATIONS TO EXTERIOR WEATHER TIGHT.

2. PROVIDE NEW FULL SIZE CONDENSATE PIPING FROM FURNACE TO NEW

CONDENSATE MAIN PIPING AS INDICATED. PITCH CONDENSATE PIPING

1/8" PER FOOT IN THE DIRECTION OF FLOW.

3. SPILL CONDENSATE TO GRADE TO NEW DRY WELL.

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A D

E B

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N E

E M

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H W

A Y

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02/11/22

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FREY L . RAYBU

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M3.1

SCHEDULES, SPECS, &

CONTROLS

GAS FURNACE SCHEDULE

MARK TONS AREA SERVED MFGR. & MODEL NO. TOTAL

CFM

O.A

CFM E.S.P MOTOR

HP COIL MODEL NO.

COOLING HEATING FILTERS CONDENSER COMPERSSOR ELECTRICAL

OUTDOOR

UNIT NOTES

E.A.T db

E.A.T wb TH SH INPUT OUTPUT TYPE THK. AREA FAN

HP EER KW STEPS V/HZ/P MCA MOCP

GF-1 1.5 CALL CENTER TRANE 4TXCB003DS3 600 120 0.5 1/3 S9X2B040D3PSB 75 64 16.7 12.5 40 38 MERV 8 1 - - 14.5 - APR 115/60/1 12 20 CU-1 ALL

GF-2 1.5 WEST EXPOSURE TRANE 4TXCB003DS3 600 120 0.5 1/3 S9X2B040D3PSB 75 64 16.7 12.5 40 38 MERV 8 1 - - 14.5 - APR 115/60/1 12 20 CU-2 ALL

GF-3 1.5 CENTRAL AREA TRANE 4TXCB003DS3 600 120 0.5 1/3 S9X2B040D3PSB 75 64 16.7 12.5 40 38 MERV 8 1 - - 14.5 - APR 115/60/1 12 20 CU-3 ALL

GF-4 1.5 EAST EXPOSURE TRANE 4TXCB003DS3 600 120 0.5 1/3 S9X2B040D3PSB 75 64 16.7 12.5 40 38 MERV 8 1 - - 14.5 - APR 115/60/1 12 20 CU-4 ALL

GF-5 2 WAITING ROOM TRANE 4TXCB003DS3 800 125 0.5 1/2 S9V2B060D3PSB 75 63 22.9 18.0 60 58 MERV 8 2 - - 14.75 - APR 115/60/1 18 30 CU-5 ALL

NOTES:

1. PROVIDE UNIT COMPLETE WITH THE FOLLOWING:

a. ELECTRONIC PROGRAMMABLE T'STAT

b. TWO STAGE COMPRESSOR

c. APR VALVE (APR-410-1)

d. TWO STAGE GAS VALVE

e. ECM VARIABLE SPEED FAN

f. DISCONNECT SWITCH

2. PROVIDE ISOLATION BALL VALVES IN ALL REFRIGERANT LINES TO ISOLATE EQUIPMENT FOR SERVICE. VALVES TO BE FULL PORT WITH ACCESS PORT BY MUELLER, STREAMLINE, CYCLEMASTER OR EQUAL

3. FOLLOW MANUFACTURERS GUIDELINES FOR REFRIGERANT LINE SIZING AND INSTALLATION.

AIR DISTRIBUTION SCHEDULE

MARK MANUFACTURER MODEL DESCRIPTION MATERIAL FINISH NOTES

A PRICE SPD SQUARE PLAQUE DIFFUSER STEEL WHITE 1

B PRICE 80 EGGCRATE RETURN / EXHAUST GRILLE STEEL WHITE 1, 2

X EXISTING TO REMAIN 3

NOTES:

1. CONTRACTOR PROVIDE COMPLETE WITH ALL MARGINS AND CLIPS REQUIRED FOR INSTALLATION.

2. PROVIDE WITH PLENUM AND NECESSARY ACCESSORIES TO ALLOW DUCTED CONNECTION AS REQ'D.

3. BALANCE EXISTING DIFFUSERS AND GRILLES TO SPECIFIED AIRFLOWS.

NOTES:

1. PROVIDE ERV COMPLETE WITH THE FOLLOWING OPTIONS:

a. ECM VARIABLE SPEED FANS

b. DISCONNECT SWITCH

c. SPARE FILTER SET

ENERGY RECOVERY VENTILATOR SCHEDULE

MARK MANUFACTURER MODEL NO.

SUPPLY FAN SECTION EXHAUST FAN SECTION SUMMER WINTER FILTRATION ELECTRICAL

NOTESTOTAL

CFM

ESP

(in. wc) HP TOTAL

CFM

ESP

(in. wc) BHP EAT (db / wb)

LAT

(db / wb)

EAT

(db / wb)

LAT

(db / wb) MERV TYPE V/HZ/P MCA MOCP

ERV-1 RENEWAIRE HE1X 485 0.5 1/2 485 0.5 1/2 95.0 / 78.0 19 / 15.3 8 TA 208/60/1 10.8 15 1

CONDENSING UNIT SCHEDULE

MARK MFGR. & MODEL NO.

OUT

DOOR

TEMP.

CONDENSER COMPRESSOR ELECTRICAL INDOOR

UNIT NOTES

AREA FAN HP EER kW STEPS V/HZ/P MCA MOCP

CU-1 TRANE 4TTR3018H1 95 - 1/8 14.5 - APR 208/60/1 GF-1 ALL

CU-2 TRANE 4TTR3018H1 95 - 1/8 14.5 - APR 208/60/1 GF-2 ALL

CU-3 TRANE 4TTR3018H1 95 - 1/8 14.5 - APR 208/60/1 GF-3 ALL

CU-4 TRANE 4TTR3018H1 95 - 1/8 14.5 - APR 208/60/1 GF-4 ALL

CU-5 TRANE 4TTR3024H1 95 - 1/8 14.75 - APR 208/60/1 GF-5 ALL

NOTES:

1. PROVIDE UNIT COMPLETE WITH DISCONNECT SWITCH AND COIL GUARD.

2. PROVIDE ISOLATION BALL VALVES IN ALL REFRIGERANT LINES TO ISOLATE EQUIPMENT FOR SERVICE. VALVES TO BE FULL PORT WITH

ACCESS PORT BY MUELLER, STREAMLINE, CYCLEMASTER OR EQUAL

3. FOLLOW MANUFACTURERS GUIDELINES FOR REFRIGERANT LINE SIZING AND INSTALLATION.

(MINIMUM THICKNESS, NOMINAL)

0.034 INCH (22 GAGE, GALV.)

0.040 INCH (20 GAGE, GALV.)

0.052 INCH (18 GAGE, GALV.)

0.028 INCH (24 GAGE, GALV.)

0.022 INCH (26 GAGE, GALV.)

(MINIMUM THICKNESS, NOMINAL)

0.051 INCH (NO. 16 B&S GAGE)

0.040 INCH (NO. 18 B&S GAGE)

0.032 INCH (NO. 20 B&S GAGE)

0.025 INCH (NO. 22 B&S GAGE)

0.020 INCH (NO. 24 B&S GAGE)

DUCT CONSTRUCTION MINIMUM SHEET METAL THICKNESSES

0.028 INCH (24 GAGE, GALV.)

(MINIMUM THICKNESS, NOMINAL)

0.040 INCH (20 GAGE, GALV.)

0.052 INCH (18 GAGE, GALV.)

0.019 INCH (28 GAGE, GALV.)

0.022 INCH (26 GAGE, GALV.)

0.028 INCH (24 GAGE, GALV.)

0.034 INCH (22 GAGE, GALV.)

0.040 INCH (20 GAGE, GALV.)

0.034 INCH (22 GAGE, GALV.)

(INCHES)

29 THROUGH 36

37 THROUGH 52

13 THROUGH 18

19 THROUGH 28

THROUGH 12

13 THROUGH 30

OVER 84

55 THROUGH 84

31 THROUGH 54

MAXIMUM SIZE

SPIRAL SEAM DUCT

STEEL

(MINIMUM THICKNESS, NOMINAL)

0.028 INCH (24 GAGE, GALV.)

0.034 INCH (22 GAGE, GALV.)

0.040 INCH (20 GAGE, GALV.)

0.052 INCH (18 GAGE, GALV.)

0.022 INCH (26 GAGE, GALV.)

LONGITUDINAL SEAM DUCT

ROUND DUCTS

STEEL

FITTINGS

STEEL

0.022 INCH (26 GAGE, GALV.)

(MINIMUM THICKNESS, NOMINAL)

THROUGH 12

(INCHES)

MAXIMUM SIZE

RECTANGULAR DUCTS

STEEL ALUMINUM

ELECTRIC DUCT HEAT SCHEDULE

MARK MFGR. & MODEL NO. TOTAL

CFM EAT LAT KW STEPS DUCT

SIZE

TEMP

RISE V/HZ/P NOTES

EDH-1 GREENHECK IDHC 600 55 75 4 2 12X12 18 208/60/1 1

EDH-2 GREENHECK IDHC 600 55 75 4 2 12X12 18 208/60/1 1

EDH-3 GREENHECK IDHC 600 55 75 4 2 12X12 18 208/60/1 1

NOTES:

1. DUCT MOUNTED TYPE WITH CONTROLLER AND AIR FLOW SWITCH.

GENERAL:

THE GAS FURNACES SERVING THE RENOVATED AREAS ARE PROVIDED FOR ROOM TEMPERATURE AND HUMIDITY CONTROL. THEY ARE EQUIPPED WITH ECM FANS, 2-STAGE GAS HEATING, 2 STAGE DX COOLING COIL, APR VALVE (FOR DX COIL CAPACITY MODULATION) AND DUCT MOUNTED RE-HEAT COIL (FOR SPACE

TEMPERATURE COIL DURING DEHUMIDIFICATION).

THE UNIT SHALL BE CONTROLLED BY THE FACTORY PROGRAMMABLE THERMOSTAT / HUMIDISTAT BASED ON THE FOLLOWING SEQUENCE OF OPERATION. THE UNIT SHALL OPERATE UNDER IT'S INTERNAL CONTROLS AND THERMOSTAT WILL CONTROL ALL GAS STAGES, COMPRESSOR STAGING, SUPPLY FAN

OPERATION, RE-HEAT COIL, ETC.

THIS SCOPE INCLUDES, BUT IS NOT LIMITED TO, INSTALLING ALL LOW VOLTAGE WIRING AND CONDUIT, AND PROGRAMING THE SYSTEM IN ORDER TO DELIVER A FULLY OPERATIONAL SYSTEM.

START/STOP/SPEED CONTROL:

THE THERMOSTAT WILL START/STOP THE UNIT SUPPLY FAN.

DURING OCCUPIED MODE, THE UNIT'S SUPPLY FAN SHALL RUN CONTINUOUSLY TO PROVIDE CODE

MANDATED VENTILATION REQUIREMENTS.

DURING UNOCCUPIED MODE, THE UNIT'S SUPPLY FAN SHALL RUN BASED UPON A CALL FOR HEATING OR

COOLING.

SPACE TEMPERATURE CONTROL:

THE THERMOSTAT SHALL ENERGIZE / DE-ENERGIZE THE UNIT'S COMPRESSORS (COOLING MODE) OR GAS

VALVE (HEATING) TO MAINTAIN A SPACE SETPOINT OF 74F (ADJ.).

DE-HUMIDIFICATION MODE (GF-2, 3 & 4 ONLY ):

IF THE SPACE RELATIVE HUMIDITY, AS MEASURED BY THE SPACE HUMIDISTAT, RISES ABOVE THE SET POINT OF 60% RH (ADJ.), THE SYSTEM IS TO ENTER DE-HUMIDIFICATION MODE. DURING THIS MODE, THE THERMOSTAT SHALL ENERGIZE THE UNIT'S COMPRESSORS AND THE ELECTRIC RE-HEAT COIL SHALL

REHEAT THE LEAVING AIR TO MAINTAIN THE SPACE TEMPERATURE.

THE UNIT SHALL REMAIN IN DE-HUMIDIFICATION MODE UNTIL THE SPACE HUMIDITY IS BELOW THE

RELATIVE HUMIDITY SETPOINT FOR 10 MINUTES (ADJ.)

GAS FURNACE SEQUENCE OF OPERATIONS

GENERAL:

THE ENERGY RECOVERY UNIT IS PROVIDED TO PRE-CONDITION CODE MANDATED OUTSIDE AIR SUPPLIED TO THE AREA GAS FURNACES. THE ERV IS EQUIPMENT WITH A STATIC PLATE HEAT EXCHANGER AND ECM

FANS.

THIS SCOPE INCLUDES, BUT IS NOT LIMITED TO, INSTALLING ALL LOW VOLTAGE WIRING AND CONDUIT, AND PROGRAMING THE SYSTEM IN ORDER TO DELIVER A FULLY OPERATIONAL SYSTEM.

START/STOP/SPEED CONTROL:

THE ERV FAN ENABLE SINGLE SHALL BE PROVIDED BY 7-DAY PROGRAMMABLE TIME CLOCK.

DURING OCCUPIED MODE, THE UNIT'S SUPPLY AND EXHAUST FANS SHALL RUN CONTINUOUSLY TO PROVIDE

CODE MANDATED VENTILATION REQUIREMENTS.

DURING UNOCCUPIED MODE, THE UNIT'S SUPPLY AND EXHAUST FAN SHALL BE OFF.

ALL UNIT FAN'S ARE ECM AND ARE PROVIDED WITH SPEED CONTROL.

ENERGY RECOVERY UNIT SEQUENCE OF OPERATIONS

EXHAUST FAN

HOOD SCHEDULE

MFGR. & MODEL #MARK

HD-1

OVERALL

SIZE CFM

GREENHECK GRRS-30 30 X 24 500

ESP

ELECTRICAL

VOLTS/ø AMPS

115/1 15

NOTES:

1. HOOD AND ALL APPURTENANCES TO BE FURNISHED & INSTALLED BY THE MECHANICAL

CONTRACTOR

2. PROVIDE COMPLETE WITH THE FOLLOWING OPTIONS:

· RANGE DISCONNECT

· MANUAL PULL STATION

· EXTERNAL EXHAUST FAN

· ROOF CAP

· PORTABLE FIRE EXTINGUISHER

NOTES

ALL

EXHAUST FAN SCHEDULE

ITEM MFGR. MODEL CFM

MOTOR SP

(in. wg) dBA VOLTS/∅ WEIGHT

(LB) NOTES

RPM HP

EF-1 GREENHECK CUE-090-VG 500 1725 1/10 0.5 54 115/1 50 ALL

NOTES:

1. PROVIDE FAN COMPLETE WITH THE FOLLOWING OPTIONS:

· VARI-GREEN EC MOTOR WITH SPEED DIAL

· DISCONNECT SWITCH

· INSULATED ROOF CURB MATCHING SLOPE.

· FAN SHALL RUN CONTINUOUSLY

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JOB NO. D'WN CK'D

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A D

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N E

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02/11/22

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M3.1

SCHEDULES, SPECS, &

CONTROLS

GENERAL

1. THE MECHANICAL DRAWINGS ARE DIAGRAMMATIC AND ARE INTENDED TO CONVEY SCOPE AND

GENERAL ARRANGEMENT ONLY. DO NOT SCALE DRAWINGS.

2. THIS CONTRACTOR SHALL FIELD VERIFY ALL DIMENSIONS AND EXISTING CONDITIONS PRIOR

TO PROCEEDING WITH ANY WORK. WHERE DISCREPANCIES OCCUR BETWEEN THESE

DOCUMENTS AND EXISTING CONDITIONS, THE DISCREPANCY SHALL BE REPORTED TO THE

OWNER AND/OR ENGINEER FOR EXPEDITING AND RESOLVE.

3. ALL WORK SHALL CONFORM TO ALL STATE AND LOCAL CODES, RULES AND REGULATIONS AND

ORDINANCES.

4. CONTRACTOR SHALL PROVIDE ALL MATERIALS AND EQUIPMENT AND PROVIDE ALL LABOR

REQUIRED TO INSTALL A COMPLETE AND OPERABLE MECHANICAL SYSTEM AS INDICATED ON

THE DRAWINGS, AS SPECIFIED AND AS REQUIRED BY CODE.

5. CLEAN THE JOB SITE DAILY AND REMOVE FROM THE PREMISES ANY DIRT AND DEBRIS CAUSED

BY THE PERFORMANCE OF THE WORK INCLUDED IN THIS CONTRACT.

6. COORDINATE ALL MECHANICAL WORK WITH OTHER TRADES TO INSURE PROPER CLEARANCE

AND SPATIAL RELATIONSHIP TO OTHER EQUIPMENT.

7. ALL WORK SHALL BE PERFORMED IN A CLEAN AND WORKMANLIKE MANNER. CARE SHALL BE

EXERCISED TO MINIMIZE ANY INCONVENIENCE OR DISTURBANCE TO OTHER AREAS OF THE

BUILDING WHICH ARE TO REMAIN IN OPERATION. ISOLATE WORK AREAS BY MEANS OF

TEMPORARY PARTITIONS AND/OR TARPS TO DEEP DUST AND DIRT WITHIN THE CONSTRUCTION

AREA.

8. ALL ITEMS REMOVED SHALL BECOME PROPERTY OF THE OWNER AND SHALL BE DISPOSED OF AS

PER THE OWNER'S INSTRUCTIONS, UNLESS INDICATED OTHERWISE. ALL ITEMS WHICH ARE

NOT TO BE STORED ON SITE BY OWNERS SHALL BE REMOVED FROM THE BUILDING

IMMEDIATELY.

9. PROVIDE AND INSTALL ACCESS PANELS IN DUCTWORK AND HARD CEILINGS AS REQUIRED TO

SERVICE DAMPERS, VALVES, SMOKE DETECTORS AND OTHER CONCEALED MECHANICAL

EQUIPMENT.

10. LOCATION AND SIZE OF ALL FLOOR, WALL AND ROOF OPENINGS SHALL BE COORDINATED WITH

ALL OTHER TRADES. NO STRUCTURAL ELEMENT SHALL BE CUT OR MODIFIED WITHOUT

WRITTEN APPROVAL FROM THE STRUCTURAL ENGINEER.

11. COORDINATE DIFFUSER, REGISTER AND GRILLE LOCATIONS WITH THE ARCHITECTURAL

REFLECTED CEILING PLAN.

12. ALL EXTERIOR OPENINGS TO BE PROPERLY CAULKED AND SEALED WITH A SEALANT OF HIGH

QUALITY AND LONG LIFE, TO PREVENT INFILTRATION OF OUTSIDE AIR INTO CONDITIONED

SPACE.

MECHANICAL SPECIFICATIONS

EQUIPMENT:

1. INSTALL EQUIPMENT LEVEL AND PLUMB, PARALLEL AND PERPENDICULAR TO OTHER BUILDING

SYSTEMS AND COMPONENTS IN EXPOSED INTERIOR SPACES, UNLESS OTHERWISE INDICATED.

2. ALL EQUIPMENT SHALL BE INSTALLED IN STRICT COMPLIANCE WITH THE MANUFACTURER'S

WRITTEN INSTRUCTIONS. THE CONTRACTOR SHALL PROVIDE ALL HANGERS AND SUPPORTS

REQUIRED FOR A COMPLETE INSTALLATION.

3. COORDINATE ALL EQUIPMENT CONNECTIONS WITH MANUFACTURERS' CERTIFIED DRAWINGS.

COORDINATE AND PROVIDE ALL DUCT AND PIPE TRANSITIONS REQUIRED FOR FINAL

EQUIPMENT CONNECTIONS TO FURNISHED EQUIPMENT. FIELD VERIFY AND COORDINATE ALL

DUCT AND PIPE DIMENSIONS PRIOR TO FABRICATION.

4. INSTALL HVAC EQUIPMENT TO FACILITATE SERVICE, MAINTENANCE, AND REPAIR OR

REPLACEMENT OF COMPONENTS. CONNECT EQUIPMENT FOR EASE OF DISCONNECTING, WITH

MINIMUM INTERFERENCE TO OTHER INSTALLATIONS. EXTEND GREASE FITTINGS TO

ACCESSIBLE LOCATIONS.

5. LOCATE ALL MECHANICAL EQUIPMENT FOR UNOBSTRUCTED AIRFLOW AND ACCESS TO UNIT

ACCESS PANELS, CONTROLS AND VALVES AS REQUIRED BY THE EQUIPMENT MANUFACTURER

AND APPLICABLE CODES.

6. PROVIDE FLEXIBLE CANVAS/NEOPRENE CONNECTIONS BETWEEN ALL DUCTWORK AND AIR

HANDLING EQUIPMENT.

7. INSTALL EQUIPMENT TO ALLOW RIGHT OF WAY FOR PIPING INSTALLED AT REQUIRED SLOPE.

8. CONTRACTOR TO LABEL ALL EQUIPMENT PER THE OWNER'S DIRECTION.

9. DAMAGE AND TOUCHUP: REPAIR MARRED AND DAMAGED FACTORY-PAINTED FINISHES WITH

MATERIALS AND PROCEDURES TO MATCH ORIGINAL FACTORY FINISH.

DUCTWORK

1. INSTALL ALL DUCTWORK BEFORE INSTALLING INDOOR UNITS.

2. DUCT CONSTRUCTION, INCLUDING SHEET METAL THICKNESSES, SEAM AND JOINT

CONSTRUCTION, REINFORCEMENTS, AND HANGERS AND SUPPORTS, SHALL COMPLY WITH

SMACNA'S "HVAC DUCT CONSTRUCTION STANDARDS - METAL AND FLEXIBLE" AND

PERFORMANCE REQUIREMENTS AND DESIGN CRITERIA INDICATED IN "DUCT SCHEDULE"

ARTICLE.

3. STRUCTURAL PERFORMANCE: DUCT HANGERS AND SUPPORTS SHALL WITHSTAND THE EFFECTS

OF GRAVITY LOADS AND STRESSES WITHIN LIMITS AND UNDER CONDITIONS DESCRIBED IN

SMACNA'S "HVAC DUCT CONSTRUCTION STANDARDS - METAL AND FLEXIBLE".

4. AIRSTREAM SURFACES: SURFACES IN CONTACT WITH THE AIRSTREAM SHALL COMPLY WITH

REQUIREMENTS IN ASHRAE 62.1-2004.

5. SEAL DUCTS ACCORDING TO SMACNA'S "HVAC DUCT CONSTRUCTION STANDARDS - METAL AND

FLEXIBLE" BASED ON THE FOLLOWING SEAL CLASSES:

· UNCONDITIONED SPACE, SUPPLY-AIR DUCTS IN PRESSURE CLASSES 2-INCH WG AND

LOWER: SEAL CLASS B.

· UNCONDITIONED SPACE, EXHAUST DUCTS: SEAL CLASS C.

· UNCONDITIONED SPACE, RETURN-AIR DUCTS: SEAL CLASS B.

· CONDITIONED SPACE, SUPPLY-AIR DUCTS IN PRESSURE CLASSES 2-INCH WG AND LOWER:

SEAL CLASS C.

· CONDITIONED SPACE, EXHAUST DUCTS: SEAL CLASS B.

· CONDITIONED SPACE, RETURN-AIR DUCTS: SEAL CLASS C.

4. HVAC UNIT FLEXIBLE DUCT CONNECTIONS SHALL BE A MINIMUM OF 6 INCHES LONG AND BE HELD IN PLACE WITH HEAVY METAL BANDS. SECURELY ATTACHED TO PREVENT ANY LEAKAGE AT

THE CONNECTION POINTS. FLEXIBLE CONNECTIONS SHALL BE FABRICATED FROM APPROVED

FLAME PROOF FABRIC CONFORMING TO NFPA 90A. ASBESTOS CLOTH IS NOT ACCEPTABLE.

5. CONTRACTOR SHALL SPRAY PAINT INSIDE OF DUCT BLACK, BEHIND ALL GRILLES AND

REGISTERS.

6. THE MECHANICAL CONTRACTOR IS RESPONSIBLE FOR RELOCATING ANY SUPPLY DIFFUSER TO

INSURE A MINIMUM 36" CLEARANCE FROM ANY SMOKE DETECTOR AND SPRINKLER HEAD.

7. PROTECT DUCT INTERIORS FROM MOISTURE, CONSTRUCTION DEBRIS AND DUST, AND OTHER

FOREIGN MATERIALS

8. INSTALL ALL DUCTWORK TIGHT TO BOTTOM OF STRUCTURE TO MAXIMIZE HEADROOM

9. WHERE DUCTS PASS THROUGH FIRE-RATED INTERIOR PARTITIONS AND EXTERIOR WALLS,

INSTALL FIRE DAMPERS.

TEST & BALANCE

1. A COMPLETE TEST AND BALANCE OF THE SYSTEM IS TO BE PERFORMED BY A FIRM CERTIFIED

BY EITHER AABC , NEBB OR NBC. THE MECHANICAL CONTRACTOR SHALL BE RESPONSIBLE FOR

THE T&B CONTRACTOR. THE MECHANICAL CONTRACTOR SHALL BE ON SITE DURING TEST AND

BALANCE TO ASSIST IN ANY ISSUES RELATED TO THE SYSTEMS BEING BALANCED. WRITTEN

DOCUMENTATION OF TEST RESULTS IS TO BE SUBMITTED TO ENGINEER BEFORE WORK CAN BE

CONSIDERED COMPLETE.

DUCT INSULATION

1. THE INSTALLATION OF ALL INSULATION SHALL BE PERFORMED BY AN EXPERIENCED CRAFTSMAN

IN A NEAT WORKMANSHIP-LIKE MANNER AND SHALL BE IN ACCORDANCE WITH THE

MANUFACTURER'S WRITTEN PUBLISHED RECOMMENDATIONS FOR SERVICE INTENDED.

2. CONCEALED INDOOR SUPPLY, RETURN, & OUTSIDE AIR DUCTWORK SHALL BE PROVIDED WITH WRAPPED INSULATION ON DUCTWORK. INSULATION SHALL BE 2-1/3" INCH THICK GLASS FIBER FLEXIBLE DUCT INSULATION, 3/4 POUND DENSITY WITH UL APPROVED FOIL SCRIM KRAFT FRJ JACKET. SEAL ALL JOINTS AND SEAMS WITH STAPLES AND 3" WIDE FSK TAPE. ALL INSULATION

ON DUCTS OVER 24" WIDE SHALL BE SECURED WITH ADHESIVE HANGERS AND WASHERS,

TAPED WITH FSK TAPE 18" ON CENTER.

3. ALL DUCTWORK DIMENSIONS SHOWN ON DRAWINGS ARE INSIDE CLEAR DIMENSIONS. SHEET

METAL DIMENSIONS SHALL BE INCREASED TO ACCOMMODATE LINING THICKNESS.

4. MISCELLANEOUS APPURTENANCES TO MEET THE INTENT OF THESE DOCUMENTS.

REFRIGERANT PIPING:

1. DRAWING PLANS, SCHEMATICS, AND DIAGRAMS INDICATE GENERAL LOCATION AND

ARRANGEMENT OF PIPING SYSTEMS; REFRIGERANT PIPING SIZING AND ROUTING SHALL BE

SIZED BE MANUFACTURER. ALL ROUTING AND SIZING SHOWN ON THESE MECHANICAL PLANS

ARE FOR REFERENCE ONLY.

2. INSTALL REFRIGERANT PIPING ACCORDING TO ASHRAE 15.

3. ALL PIPING SHALL BE INSTALLED AS INDICATED ON THE DRAWINGS IN A NEAT

WORKMANSHIP-LIKE MANNER AND BE SUPPORTED AS REQUIRED BY CODES. PIPING SHALL BE

SET UP AND DOWN AND OFFSET AS REQUIRED TO SUIT FIELD CONDITIONS. DIELECTRIC

COUPLINGS SHALL BE USED WHERE DISSIMILAR METALS ARE JOINED.

4. PIPING HANGERS SHALL BE SPACED SO AS TO PREVENT SAG AND PERMIT PROPER DRAINAGE

AND SHALL NOT BE SPACED MORE THAN EIGHT FEET APART UNLESS A GREATER SPACE IS

DEFINITELY INDICATED ON THE DRAWINGS. A HANGER SHALL BE PLACED WITHIN (1) FOOT OF

EACH HORIZONTAL ELBOW.

5. REFRIGERANT PIPING OTHER THAN PRECHARGED TUBING SETS FURNISHED BY AIR

CONDITIONING MANUFACTURER SHALL BE PDM PRE-INSULATED GELCOPPER. PIPING SHALL BE

INSTALLED IN ACCORDANCE WITH ARI STANDARDS. USE EASY-FLO OR SAFETY SILVER BRAZING

ALLOY TO MAKE JOINTS. PROVIDE BALL VALVES IN ALL REFRIGERANT LINES AT EQUIPMENT

CONNECTIONS. SEE SCHEDULES FOR VALVE DETAILS AND MANUFACTURERS.

6. REFRIGERATION LINE EXTERIOR INSULATION SHALL BE COATED WITH ULTRAVIOLET RESISTANT

MATERIAL IN ACCORDANCE WITH THE MANUFACTURER'S RECOMMENDATIONS.

7. INSTALL PIPING IN CONCEALED LOCATIONS UNLESS OTHERWISE INDICATED AND EXCEPT IN

EQUIPMENT ROOMS AND SERVICE AREAS.

8. INSTALL PIPING INDICATED TO BE EXPOSED AND PIPING IN EQUIPMENT ROOMS AND SERVICE AREAS AT RIGHT ANGLES OR PARALLEL TO BUILDING WALLS. DIAGONAL RUNS ARE PROHIBITED

UNLESS SPECIFICALLY INDICATED OTHERWISE.

9. INSTALL PIPING ADJACENT TO MACHINES TO ALLOW SERVICE AND MAINTENANCE.

10. INSTALL PIPING FREE OF SAGS AND BENDS.

11. INSTALL FITTINGS FOR CHANGES IN DIRECTION AND BRANCH CONNECTIONS.

12. SELECT SYSTEM COMPONENTS WITH PRESSURE RATING EQUAL TO OR GREATER THAN SYSTEM

OPERATING PRESSURE.

13. INSTALL PIPING AS SHORT AND DIRECT AS POSSIBLE, WITH A MINIMUM NUMBER OF JOINTS, ELBOWS, AND FITTINGS.

14. ARRANGE PIPING TO ALLOW INSPECTION AND SERVICE OF REFRIGERATION EQUIPMENT.

INSTALL VALVES AND SPECIALTIES IN ACCESSIBLE LOCATIONS TO ALLOW FOR SERVICE AND

INSPECTION. INSTALL ACCESS DOORS OR PANELS AS IF VALVES OR EQUIPMENT REQUIRING

MAINTENANCE IS CONCEALED BEHIND FINISHED SURFACES.

15. WHEN BRAZING OR SOLDERING, REMOVE SOLENOID-VALVE COILS AND SIGHT GLASSES; ALSO

REMOVE VALVE STEMS, SEATS, AND PACKING, AND ACCESSIBLE INTERNAL PARTS OF

REFRIGERANT SPECIALTIES. DO NOT APPLY HEAT NEAR EXPANSION-VALVE BULB.

16. INSTALL PIPING WITH ADEQUATE CLEARANCE BETWEEN PIPE AND ADJACENT WALLS AND

HANGERS OR BETWEEN PIPES FOR INSULATION INSTALLATION.

17. INSTALL SLEEVES FOR PIPING PENETRATIONS OF WALLS, CEILINGS, AND FLOORS.

18. INSTALL SLEEVE SEALS FOR PIPING PENETRATIONS OF CONCRETE WALLS AND SLABS.

CONTROLS

1. ALL CONTROL WIRING SHALL BE ROUTED WITHIN CONDUIT, OR SHALL BE PLENUM RATED. ALL

WIRING SHALL BE SIZED / INSTALLED PER THE NATIONAL ELECTRIC CODE, LATEST EDITION.

2. CONTRACTOR SHALL PROVIDE ALL AIR TEMPERATURE CONTROLS INCLUDING WIRING, TUBING

AND THERMOSTATS (WITH LOCKING COVERS) AND ALL MISCELLANEOUS APPURTENANCES TO

MEET THE INTENT OF THESE DOCUMENTS.

3. COORDINATE ALL T'STAT LOCATIONS WITH THE OWNER / TENANT FOR OCCUPANT CONTROL,

UNLESS OTHERWISE NOTED.

4. UNLESS OTHERWISE SHOWN, LOCATE ALL ROOM SENSORS, THERMOSTATS, AND HUMIDISTATS

4'-6" ABOVE THE FINISHED FLOOR.

DUCT HANGER AND SUPPORT INSTALLATION

1. COMPLY WITH SMACNA'S "HVAC DUCT CONSTRUCTION STANDARDS - METAL AND FLEXIBLE,"

CHAPTER 4, "HANGERS AND SUPPORTS."

2. HANGER SPACING: COMPLY WITH SMACNA'S "HVAC DUCT CONSTRUCTION STANDARDS - METAL AND FLEXIBLE," TABLE 4-1, "RECTANGULAR DUCT HANGERS MINIMUM SIZE," AND TABLE 4-2, "MINIMUM HANGER SIZES FOR ROUND DUCT," FOR MAXIMUM HANGER SPACING; INSTALL

HANGERS AND SUPPORTS WITHIN 24 INCHES OF EACH ELBOW AND WITHIN 48 INCHES OF EACH

BRANCH INTERSECTION.

3. SUPPORT VERTICAL DUCTS WITH STEEL ANGLES OR CHANNEL SECURED TO THE SIDES OF THE

DUCT WITH WELDS, BOLTS, SHEET METAL SCREWS, OR BLIND RIVETS; SUPPORT AT EACH

FLOOR AND AT A MAXIMUM INTERVALS OF 16 FEET.

4. INSTALL UPPER ATTACHMENTS TO STRUCTURES. SELECT AND SIZE UPPER ATTACHMENTS WITH

PULL-OUT, TENSION, AND SHEAR CAPACITIES APPROPRIATE FOR SUPPORTED LOADS AND

BUILDING MATERIALS WHERE USED.

PIPE HANGERS

1. INSTALL THE FOLLOWING PIPE ATTACHMENTS:

· ADJUSTABLE STEEL CLEVIS HANGERS FOR INDIVIDUAL HORIZONTAL PIPING LESS THAN

20 FEET LONG.

· ADJUSTABLE ROLLER HANGERS AND SPRING HANGERS FOR INDIVIDUAL HORIZONTAL

PIPING 20 FEET OR LONGER.

· PIPE ROLLER: MSS SP-58, TYPE 44 FOR MULTIPLE HORIZONTAL PIPING 20 FEET OR

LONGER, SUPPORTED ON A TRAPEZE.

· SPRING HANGERS TO SUPPORT VERTICAL RUNS.

· PROVIDE COPPER-CLAD HANGERS AND SUPPORTS FOR HANGERS AND SUPPORTS IN

DIRECT CONTACT WITH COPPER PIPE.

2. INSTALL HANGERS FOR STEEL PIPING WITH THE FOLLOWING MAXIMUM SPACING AND MINIMUM

ROD SIZES:

§ NPS 3/4: MAXIMUM SPAN, 7 FEET; MINIMUM ROD SIZE, 3/8 INCH.

§ NPS 1: MAXIMUM SPAN, 7 FEET; MINIMUM ROD SIZE, 3/8 INCH.

§ NPS 1-1/4: MAXIMUM SPAN, 8 FEET; MINIMUM ROD SIZE, 3/8 INCH.

§ NPS 1-1/2: MAXIMUM SPAN, 9 FEET; MINIMUM ROD SIZE, 3/8 INCH.

§ NPS 2: MAXIMUM SPAN, 10 FEET; MINIMUM ROD SIZE, 3/8 INCH.

§ NPS 2-1/2: MAXIMUM SPAN, 11 FEET; MINIMUM ROD SIZE, 1/2 INCH.

§ NPS 3: MAXIMUM SPAN, 12 FEET; MINIMUM ROD SIZE, 1/2 INCH.

3. INSTALL HANGERS FOR DRAWN-TEMPER COPPER PIPING WITH THE FOLLOWING MAXIMUM

SPACING AND MINIMUM ROD SIZES:

· NPS 3/4: MAXIMUM SPAN, 5 FEET; MINIMUM ROD SIZE, 1/4 INCH.

· NPS 1: MAXIMUM SPAN, 6 FEET; MINIMUM ROD SIZE, 1/4 INCH.

· NPS 1-1/2: MAXIMUM SPAN, 8 FEET; MINIMUM ROD SIZE, 3/8 INCH.

· NPS 2: MAXIMUM SPAN, 8 FEET; MINIMUM ROD SIZE, 3/8 INCH.

· NPS 2-1/2: MAXIMUM SPAN, 9 FEET; MINIMUM ROD SIZE, 3/8 INCH.

· NPS 3: MAXIMUM SPAN, 10 FEET; MINIMUM ROD SIZE, 3/8 INCH.

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JOB NO. D'WN CK'D

ISSUE DATES

INITIAL ISSUE

Wd-30 KDY JLR

L U

A D

E B

G O

N E

E M

A L

H W

A Y

E G

02/11/22

J E

FREY L . RAYBU

R N

02/11/22

M4.1

DETAILS

NOTES:

1 SPIN IN CONICAL BRANCH TAP FITTING WITH MANUAL VOLUME DAMPER. BRANCH

RUNOUT DUCT SHALL BE THE SAME DIAMETER AS THE AIR TERMINAL INLET.

2 DUCT STRAP HANGER. ATTACH TO STRUCTURE.

3 STRAP HANGER REQUIRED IF BRANCH RUNOUT LENGTH IS GREATER THAN 4 FT.

4 MAXIMUM FLEXIBLE DUCT LENGTH IS 5 FT. FLEXIBLE DUCT SHALL BE THE SAME

DIAMETER AS THE AIR TERMINAL INLET. FLEXIBLE DUCT SHALL BE INSULATED.

STRETCH FLEXIBLE DUCT TO A MINIMUM OF 90% OF ITS FULLY EXTENDED LENGTH.

SEAL CONNECTIONS AIR TIGHT.

5 HARD ELBOW TO AIR TERMINAL CONNECTION.

6 COMPRESSION FITTING AT AIR TERMINAL CONNECTION.

7 PROVIDE ALL CLIPS AND MARGINS REQUIRED FOR A COMPLETE INSTALLATION.

COORDINATE LOCATION AND FINISH WITH OWNER/ARCHITECT.

2 3

SCALE:

TYPICAL SUPPLY AIR TERMINAL CONNECTION

NONE

1 1/2W

ROUND 90° ELBOW

CONSTRUCTION OF 90° ELBOWS

"W"

"W" "W"

"W"

SQUARE 90° ELBOW

"W"

"W""W"

"W"

1 1/2W

SQUARE 45° ELBOW

CONSTRUCTION OF 45° ELBOWS

ROUND 45° ELBOW

TYPICAL RECTANGULAR TRANSITION TYPICAL RECTANGULAR TO ROUND TRANSITION

USE THIS DESIGN

WHERE ROUND 90° ELS

ARE SHOWN ON PLANS

TURN VANES-SEE DETAIL

THIS SHEET

USE THIS DESIGN WHERE

SQUARE 90° ELS ARE SHOWN ON

PLANS OR IF SPACE CONDITIONS

DO NOT PERMIT INSTALLATION

OF ROUND 90° ELLS

USE THIS DESIGN WHERE

ROUND 45° ELBOWS ARE

SHOWN ON PLANS

TURN VANES-SEE DETAIL

THIS SHEET

LC LC

SLOPE NOT TO

EXCEED 1" IN 4" RECTANGULAR DUCT

LC LC

SLOPE NOT TO

EXCEED 1" IN 4"

ROUND DUCT

INSTALLATION NOTES

1. ALL DUCTS SHALL BE CONSTRUCTED AND ERECTED IN A NEAT

AND WORKMANLIKE MANNER.

2. DUCTS SHALL BE CONSTRUCTED OF THE WEIGHTS, GAGES AND

MATERIAL SHOWN IN THE SCHEDULE ON THESE DRAWINGS.

3. THE DIMENSION SHOWN FOR ALL DUCTS SHOWN IN PLAN GIVE

THE WIDTH FIRST AND THEN THE HEIGHT.

4. DUCT RISERS SHOULD BE SUPPORTED BY ANGLES AT EVERY

FLOOR.

5. AIR TURN SHALL BE INSTALLED IN ALL ABRUPT ELBOWS TO

PREVENT TURBULENCE.

6. DUCTS SHALL BE SECURELY ATTACHED TO THE BUILDING

CONSTRUCTION IN AN APPROVED MANNER.

7. DIVERGING TRANSITION PIECES SHALL BE MADE AS GRADUAL

AS POSSIBLE.

8. INSTALL FIRE DAMPERS IN ACCORDANCE WITH UL 555.

9. ACCESS PANELS SHOULD BE PLACED BEFORE AND/OR AFTER

EQUIPMENT INSTALLED IN THE DUCT.

10. DUCT AREA SHOULD NOT BE DECREASED MORE THAN 10

PERCENT WHEN OBSTRUCTIONS CANNOT BE AVOIDED, AND

THEN A STREAMLINED FITTING SHOULD BE USED.

11. FLEXIBLE FABRIC CONNECTIONS (OR EQUAL) SHOULD BE USED

ON BOTH INLETS AND OUTLETS OF ALL FANS AND AIR

HANDLING UNITS.

12. JOINTS AND SEAMS OF SUPPLY DUCTS SHALL BE FASTENED

SECURELY AND MADE AIR TIGHT.

ROUND DUCT

USE THIS DESIGN WHERE

ROUND 45° ELBOWS ARE

SHOWN ON PLANS

SEAL OPENING AIR TIGHT

RECTANGLE DUCT

SEAL OPENING AIR TIGHT

VOLUME DAMPER W/ END

BEARING & OPERATOR

SCALE:

LOW VELOCITY DUCT LAYOUT DETAILS

NONE

TYPE "A" TYPE "B", "C", "D"

MAX SIDE

(8 FT. MAX HANGER SPACING. ALSO

PROVIDE 3 HANGERS AT EACH TAKE-OFF

OR BRANCH.)

(8 FT. MAX HANGER SPACING )

NOTES:

DUCT SCHEDULE

DUCT

DIMENSIONS

(INCHES)

TYPE

HANGER

A A A/B B31 " 42

19 " 30 13 " 18

UP THRU 12

SCALE:

DUCT HANGER DETAILS

NONE

HANGER ROD

TYPE "B" 5/16" DIA.

TYPE "C" 3/8" DIA.

TYPE "D" 1/2" DIA.

1" X 16 GA GALV. IRON

STRAP OR ALUMINUM

SECURE TO STRUCTURE ABOVE AS

RECOMMENDED BY SMACNA

SECURE TO STRUCTURE ABOVE AS

RECOMMENDED BY SMACNA

SHEET METAL SCREW RIVET OR

BOLT TO BOTH SIDES OF DUCT & A

MIN. OF 1" BENEATH DUCT FOR

BOTH STRAPS

NUT & WASHER AT

END OF ROD

FOR BRACING ANGLES

SEE NOTES

1. FOR SEVERAL DUCTS ON ONE HANGER, TYPE "B", "C", OR

"D" MAY BE USED. SIZE OF HANGER WILL BE SELECTED ON

SUM OF DUCT WIDTHS EQUAL TO MAXIMUM WIDTH OF

DUCT SCHEDULE.

2. SCHEDULE FOR ANGLES FOR BRACING: TYPE "B" -1-1/2 X

1-1/2 X 1/8 ANGLE, MAX. SPACING 8'-0" CENTERS; TYPE "C"

- 1-1/2 X 1-1/2 X 3/16 ANGLE, MAX. SPACING 8'-0"

CENTERS; TYPE "D" - 2 X 2 X 1/4 ANGLE, MAX SPACING

4'-0" CENTERS.

EXISTING POURED CONCRETE

OR C.M.U. WALL

PROVIDE REMOVABLE FIBEROUS GLASS INSULATION

AT GAPS AROUND ELASTOMATIC SEAL AND FIXED

PIPE INSULATION. TYP. BOTH SIDES.

2" LONG WATER STOP AND ANCHOR

COLLAR OF EQUAL GAUGE AS SLEEVE

AT WALL CONSTRUCTION

CUT OPENING IN EXISTING MASONRY WALL

LARGER THAN THE SLEEVE AND FORM &

FILL WITH EXPANSIVE TYPE GROUT

PIPE INSULATION

(WHERE REQ'D)

PIPE SLEEVE

LINK-SEAL TYPE WALL

PENETRATION SEAL (3 REQ'D)

SCALE:

PIPE THROUGH CMU WALL DETAIL

NONE

NOTES:

1 SPIN IN CONICAL BRANCH TAP FITTING WITH MANUAL VOLUME DAMPER. BRANCH

RUNOUT DUCT SHALL BE THE SAME DIAMETER AS THE AIR TERMINAL INLET.

2 DUCT STRAP HANGER. ATTACH TO STRUCTURE.

3 STRAP HANGER REQUIRED IF BRANCH RUNOUT LENGTH IS GREATER THAN 4 FT.

4 MAXIMUM FLEXIBLE DUCT LENGTH IS 5 FT. FLEXIBLE DUCT SHALL BE THE SAME

DIAMETER AS THE AIR TERMINAL INLET. FLEXIBLE DUCT SHALL HAVE A MINIMUM

INSULATION VALUE OF R6. STRETCH FLEXIBLE DUCT TO A MINIMUM OF 90% OF ITS

FULLY EXTENDED LENGTH. SEAL CONNECTIONS AIR TIGHT.

5 HARD ELBOW TO AIR TERMINAL CONNECTION.

6 SHEET METAL PLENUM. PLENUM SHALL BE SAME SIZE AS GRILLE CONNECTION.

7 PROVIDE ALL CLIPS AND MARGINS REQUIRED FOR A COMPLETE INSTALLATION.

COORDINATE LOCATION AND FINISH WITH OWNER/ARCHITECT.

2 3

SCALE:

TYPICAL RETURN & EXHAUST AIR TERMINAL CONNECTION

NONE

LC LC

ROOF SYSTEM

12" HIGH, 1" INSULATED PREFABRICATED SLOPED EQUIPMENT

ROOF CURB WITH WOOD NAILER OR APPROVED EQUAL.

MECHANICAL CONTRACTOR TO SIZE CURB AS REQUIRED TO

ACCOMMODATE SCHEDULED EXHAUST FAN.

FURNISH 18 GAGE (.064") ALUMINUM CURB LINER.

PROVIDE LINKAGE ASSEMBLIES INCLUDING

CRANK ARMS, BALL JOINTS AND PUSH RODS AS

REQUIRED FOR PROPER DAMPER OPERATION.

SECURE CURB FLASHING COLLAR, DAMPER

TRAY TO STEEL DECK WITH MINIMUM (4) #10

DECK SCREWS EVENLY SPACED ON EACH SIDE.

PARALLEL LOW LEAK DAMPER. FURNISH DAMPER WITH

EXTRUDED VINYL BLADE SEALS AND "SINGLE" FLANGE

MOUNTING. PROVIDE ACTUATOR MOUNTING BRACKET KIT

AS REQUIRED. PROVIDE LINKAGE ASSEMBLIES INCLUDING

CRANK ARMS, BALL JOINTS AND PUSH RODS AS REQUIRED

FOR PROPER DAMPER OPERATION.

DUCTED EXHAUST: TRANSITION 0'-6" BELOW ROOF

DECK AS REQUIRED. SEE DRAWINGS AND

SPECIFICATIONS FOR EXHAUST DUCT FABRICATION

AND INSULATION REQUIREMENTS.

L4X4X1/4 PENETRATION FRAME BY OTHERS. COORDINATE

INSTALLATION SCHEDULE WITH C.M./G.C.

SIZE PENETRATION TO PROVIDE 1/2" MIN. CLEAR

AROUND PERIMETER OF THRU DUCT. ROOF OPENING

BY OTHERS. COORDINATE PENETRATION SIZE

REQUIREMENTS AND LOCATION WITH G.C.

WATER PROOF SEAL WITH FLASHING BY OTHERS.

COORDINATE INSTALLATION SCHEDULE WITH

C.M./G.C..

FOLD DAMPER TRAY FLANGE FLUSH WITH TRAY.

INSERT EXHAUST DUCT AND DAMPER AS SHOWN.

SECURE TO DAMPER TRAY WITH SELF TAPPING SHEET

METAL SCREWS.

UPBLAST EXHAUST FAN AS SCHEDULED. SECURE TO

EQUIPMENT CURB WITH A #10 X 1 1/2" PAN HEAD

WOOD SCREW AT EACH CORNER OF CURB CAP.

BALANCING CONTRACTOR SHALL PROVIDE SHEAVES,

PULLEYS AND BELTS AS REQUIRED TO ACHIEVE THE

SPECIFIED AIR FLOW (BELT DRIVE).

This is the start of the file's text. The full file is on GovTribe.

File details come from the government source that posted it. Updated Oct 21, 2024.