Replace HVAC Systems and Miscellanous Repairs 13300 Block 19 Brks 2 Latrines - Revised.pdf

PROJECT NUMBER 13260011

REPLACE HVAC SYSTEMS/MISCELLANEOUS REPAIRS

19 EM BARRACKS & 2 LATRINES, 13300 BLOCK

GEORGIA GARRISON TRAINING CENTER

(REVISED)

SHEET 1 OF 11

SITE PLAN

NOT TO SCALE

GFIGFI GFIGFI

TTTT

INDICATES BUILDINGS TO RECEIVE WORK

“D” DESIGNATION INDICATES BARRACKS

“C” DESIGNATION INDICATES LATRINES

43 17

E

C

C

AB

D

D

D

D

D

D

D D

D

D

D

D

DD D

D

D

D

I

B

A

A

A

A

M

EA

ST

TH

S

T R

EE

T

EA

ST

TH

S

T R

EE

T

MURRAY AVENUE

RICKER AVENUE

REFLECTS REVISION DATED 03/30/26

TT

TYPICAL BARRACKS BUILDING INTERIOR

PS

CA

SD

FA

C

P

O/A

FV

RA

SAD SAD DISCONNECT

CONDENSER ON CONC. PAD

NG PIPING

INTERIOR TEMPERATURE SENSOR

CA

FU1 FU2

AHU1 AHU2

CU1 CU2

ABBREVIATIONS:

PS – FIRE ALARM PULL STATION

CA – COMBUSTIBLE AIR DUCT

O/A – OUTSIDE AIR DUCT

RA – RETURN AIR DUCT

SAD – SUPPLY AIR DUCT

SD – SMOKE DETECTOR

AHU – AIR HANDLING UNIT

FU – FURNACE UNIT

FV – FURNACE VENT

CU – CONDENSER UNIT

LIQUID FLEX

REPLACE HVAC SYSTEMS

TYPICAL MECHANICAL ROOM PLAN

TYPICAL FOR BUILDINGS 13317, 13318, 13319, 13320, 13321, 13322, 13323, 13324, 13325, 13326, 13327, 13328, 13329, 13330, 13331, 13343, 13344, 13346 & 13347

EXISTING CONDITIONS

SCALE: ¾” = 1'-0"

SHEET 2 OF 11

A

2 3

GFIGFI

GFIGFI

RETURN AIR DUCT

SUPPLY TRANSITION

DUCT

FURNACEFURNACE

AH-2

AH-1

PLENUM BOX

NG LINE

CONDENSATE DRAIN

DISCONNECT DISCONNECT

1" FLEX

1/2" FLEX

REFRIG PIPING

THERMOSTAT FROM

INTERIOR SENSOR

DRYER

CMU MECHANICAL ROOM

WALL

1/2" FLEX

x

O

.C x

O

.C

RAFTERS @ 16" O.C.

FU

R

N A

C E

V

EN

T

TOP PLATE OF EXTERIOR

BARRACKS WALL

3" THRU WALL

SLEEVE

LINE SETS

O/A DUCT

SECTION

SCALE: ¾” = 1'-0"

A 2 3

EXISTING CONDITIONS SECTION

SHEET 3 OF 11

TYPICAL BARRACK BUILDING INTERIOR

PS

FA

C

P

NG PIPING

INTERIOR TEMPERATURE SENSOR

REPLACE HVAC SYSTEMS/MISCELLANEOUS REPAIRS,

TYPICAL BARRACK BUILDING

DEMOLITION PLAN

SCALE: ¾” = 1'-0"

SHEET 4 OF 11

1 1

NOTES:

NOTE 1 - REMOVE AND REPLACE OUTSIDE CONDENSER UNITS, FURNACES, AIR HANDLERS, LINE SETS, INSULATION AND RELATED WIRING (FROM DISCONNECTS TO UNITS). TYPICAL TWO SETS OF

SYSTEMS CONTROLLED BY ONE THERMOSTAT.

NOTE 2 - REMOVE AND REPLACE NATURAL GAS FURNACES AND AIR HANDLERS FROM PLENUM BOX TO

TRANSITION DUCTWORK, TO ACHIEVE REMOVAL OF UNITS. EXISTING NATURAL GAS PIPING

AND CONDENSATE DRAIN PIPING TO BE REPLACED WITH NEW FROM ABOVE-GROUND PIPING ELBOW

TO NEW FURNACE UNITS, TO INCLUDE NEW CUT-OFF GAS VALVES

NOTE 5 - REMOVE AND REPLACE SUPPLY AND RETURN AIR DUCTWORK AND INSULATION AS NEEDED TO

ACHIEVE UNIT REPLACEMENT AND FOR ACCESS TO REAR WALL OF MECHANICAL ROOM (FOR

ACCESS TO FRAMING AND INSTALLATION OF NEW DRYWALL AND CONSTRUCTION OF VERTICAL

WALL.

NOTE 6 - RESECURE NATURAL GAS SUPPORTS TO CONCRETE SLAB AND GAS LINE.

NOTE 7 - REUSE EXISTING GALVANIZED FURNACE VENT AND TIE NEW EQUIPMENT TO EXISTING VENT.

NOTE 8 - RELOCATE ALL SURFACE MOUNTED ITEMS TO NEW DRYWALL SURFACE FOLLOWING

INSTALLATION OF DRYWALL TO WOOD WALLS & CEILINGS.

MECH. ROOM

NOTE 3 - REMOVE AND REPLACE THE EXISTING WOOD PLENUM BOX WITH A NEW ALUMINUM INSULATED

PLENUM BOX (HAVING SIMILAR DIMENSIONS – SEE NEW WORK PLAN).

NOTE 4 - REMOVE EXISTING ELECTRICAL DISCONNECTS SERVING UNITS AND REPLACE WITH NEW OF LIKE

MATERIALS/TYPE/CONSTRUCTION. REPLACE CONDUCTORS AND LIQUID FLEX FROM

DISCONNECTS TO OUTSIDE UNITS (ALONG WITH SERVICE TO AIR-HANDLERS) AS WELL AS

THERMOSTAT WIRING (LIQUID FLEX).

GFIGFI

GFIGFI

REPLACE EXISTING NG PIPING FROM

ELBOW INSIDE OF MECH ROOM AND TO

NEW FURNACE UNITS

REFLECTS REVISION DATED 03/29/261

TYPICAL BARRACK BUILDING INTERIOR

PS

FA

C

P

NG PIPING

INTERIOR TEMPERATURE SENSOR. REPLACE WITH

NEW SENSOR AND METAL BOX. NEW SENSOR MUST

BE COMPATIBLE WITH NEW THERMOSTAT

SHEET 5 OF 11

MECH. ROOM

GFIGFI

NOTES:

1. PROVIDE AND INSTALL NEW INSULATED ALUMINUM PLENUM BOX. SEE DETAILS/DRAWINGS.

2. PROVIDE AND INSTALL 5/8" TYPE “X” DRYWALL TO CEILING, UPPER WOOD FRAMED WALL AREAS

AND VERTICAL REAR WALL OF MECHANICAL ROOM. CONSTRUCT AND/OR FRAME NEW VERTICAL

WALL FROM WOOD TOP PLATE TO BOTTOM OF RAFTERS. DRYWALL TO BE UNFINISHED WITH

JOINTS TAPED AND MUDDED. ITEMS INSTALLED ON EXISTING CEILING AND/OR WALL FRAMING

SHALL BE RELOCATED TO THE NEW DRYWALL SURFACE. PENETRATIONS SHALL BE SEALED.

3. PROVIDE AND INSTALL HVAC CONDENSERS, AIR HANDLERS AND NATURAL GAS FURNACES, TO REPLACE EXISTING 5 TON UNITS. INSTALLATION SHALL INCORPORATE NEW LINE SETS, DRYERS, SIGHT GLASSES, INSULATION, CONDENSATE DRAINS, NEW NATURAL GAS PIPING & SUPPORTS, FLEXIBLE CONNECTOR, ETC., FOR A COMPLETE INSTALLATION.

4. REMOVE DUCTWORK AS NECESSARY TO ACCESS REAR WALL AREA OF MECHANICAL ROOM TO

ACCOMPLISH FRAMING AND DRYWALL. REUSE EXISTING DUCTWORK AND PROVIDE NEW 3"

DUCTWRAP INSULATION OVER EXISTING DUCTWORK, AFTER RE-INSTALLATION. PROVIDE NEW

FLEXIBLE CONNECTION AT TOP OF UNITS AND SUPPLY DUCTWORK.

5. PROVIDE AND INSTALL NEW GFIC OUTLETS IN LOCATION SHOWN ON DRAWING.

6. PROVIDE AND INSTALL NEW ELECTRICAL DISCONNECTS, CONDUCTORS AND LIQUID FLEX FROM NEW UNITS

TO DISCONNECTS.

7. PROVIDE SUPPORTS AS NEEDED FOR REFRIGERANT LINE PIPING AND INSULATION. SUPPORTS SHALL INCORPORATE OVERSIZED PVC SLEEVES TO ELIMINATE COMPRESSION OF INSULATION. EXPOSED INSULATION SHALL BE COVERED WITH TYPE II COATING FOR UV PROTECTION OF THE INSULATION. THRU-

WALL SLEEVES SHALL BE RESEALED AFTER INSTALLATION OF THE NEW UNITS.

8. INFERFACE NEW UNITS WITH FIRE ALARM CONTROL PANEL FOR SHUT-OFF OF SYSTEMS IN THE EVENT OF AN ALARM. PROVIDE DUCT DETECTOR WITHIN RETURN AIR DUCT AND CONNECT/INTERFACE TO FIRE

ALARM CONTROL PANEL.

9. PROVIDE AND INSTALL NEW IN-BUILDING TEMPERATURE SENSOR WITHIN ENCLOSED METAL LOCKABLE

WALL-MOUNTED BOX. NEW SENSOR MUST BE COMPATIBLE WITH NEW THERMOSTAT.

REPLACE NG PIPING FROM ABOVE-GRADE PIPING ELBOW INTO

AND INSIDE MECHANICAL ROOM TO NEW UNITS TO INCLUDE

NEW GAS VALVES AND FLEX TO FURNACE. REPLACE EXISTING

NG SUPPORTS WITH NEW

NEW HVAC CONDENSERS, AIR HANDLERS

AND FURNACES. TYPICAL 2 EACH. SEE

SPECS.

CONSTRUCT NEW VERTICAL WALL (TOP OF WOOD

PLATE TO BOTTOM OF RAFTER AND INSTALL

DRYWALL

SD

B

5 6A

5 7

REPLACE HVAC SYSTEMS/MISCELLANEOUS REPAIRS,

TYPICAL BARRACK BUILDING

NEW WORK PLAN

SCALE: ¾” = 1'-0"

GFIGFI

PROVIDE AND INSTALL NEW 2" DIA. SCHEDULE 40

PVC SLEEVE TO ACCOMMODATE NEW NG GAS LINE

RETURN AIR DUCT

SUPPLY

TRANSITION

DUCT

NEW

FURNACE

NEW

FURNACE

NEW

AH-2

NEW

AH-1

NEW INSULATED

ALUMINUM PLENUM BOX

NEW NG LINE

NEW CONDENSATE DRAIN

NEW DISCONNECT NEW DISCONNECT (TYP. BOTH UNITS)

NEW 1" FLEX (TYP. BOTH UNITS)

NEW 1/2" FLEX

NEW REFRIG PIPING W/INSULATION

AND TYPE II COATING ON EXTERIOR

NEW THERMOSTAT FROM

INTERIOR SENSOR

NEW DRYER (TYP. BOTH UNITS)

EXISTING CMU

MECHANICAL ROOM WALL

NEW 1/2" FLEX (TYP. BOTH UNITS)

x

O

.C x

O

.C

RAFTERS @ 16" O.C.

TOP PLATE OF EXTERIOR

BARRACKS WALL

3" THRU WALL SLEEVE (EXTG)

LINE SETS

O/A DUCT

PROVIDE AND INSTALL 5/8" TYPE “X” DRYWALL OVER CEILING

AND VERTICAL WALLS OF MECHANICAL ROOM FRAMING.

CONSTRUCT, FRAME AND INSTALL DRYWALL AROUND

DUCTWORK ON BACK WALL (BARRACKS WALL) FROM CEILING TO

WOOD TOP PLATE. REMOVE, REPLACE AND RE-INSULATE

DUCTWORK TO ACCOMPLISH WALL AND DRYWALL

CONSTRUCTIONL

PROVIDE NEW FLEXIBLE

CONNECTOR

NEW LINE SETS/INSULATION TO NEW

OUTSIDE UNITS

RELOCATE ANY DEVICES AND/OR SUPPORTS ATTACHED

TO WOOD FRAMING TO THE NEW DRYWALL SURFACE.

SEAL ALL-THRU WALL PENETRATIONS.

NEW FIRESTAT

RE-SECURE/REPLACE NG

LINE SUPPORT HERE

RESEAL PENETRATION UPON COMPLETION

OF INSTALLATION (TYP. BOTH SIDES)

SECTION

SCALE: ¾” = 1'-0"

B

5 6

RE-USE AND RE-INSULATE

RETURN AIR DUCT

NEW WORK SECTION

SHEET 6 OF 11

FU

R

N A

C E

V

EN

T

NEW 2" SLEEVE W/

NEW NG LINE

3'-0"

1'-6"

6"

6'-8"

2'-0 ½” 2'-2 ½”2'-5”

1'-4” O.C. 1'-4” O.C. 1'-4” O.C.1'-4” O.C.1'-4” O.C.

3'-4" 3'-4"

.080" ALUMINUM TOP AND FRONT OF PLENUM

BOX. ATTACH WITH SELF TAPPING SCREWS

CENTER SUPPORT ALUMINUM ANGLE (BOLTED OR

WELDED CONNECTION WITH BASE TAPCONED

INTO CONCRETE). TYPICAL TWO EACH

REAR SUPPORT ALUMINUM ANGLE. TAPCON TO REAR CMU

WALL IN CENTER OF PLENUM BOX. TYPICAL ONE EACH

END ALUMINUM SUPPORT ANGLE. TAPCON

TO EXISTING CMU WALL ON TOP AND SIDES

EXISTING REAR CMU WALL

EXISTING CONCRETE SLAB

2" X 2" X 1/8"

X

X

/8

X

X

/8

X

X

/8

EXISTING SIDE CMU WALL

TAPCON FASTENERS

EXISTING CONCRETE SLAB

EXISTING SIDE CMU WALL

OF MECH ROOM

2" X 2" X 1/8"

X

X

/8

X

X

/8

X

X

/8

X

/8

FL

A

T

X

X

/8

X

X

/8

2" X 2" X 1/8"2" X 2" X 1/8"

X

/8

FL

A

T

X

/8

FL

A

T

X

/8

FL

A

T

.080" ALUMINUM TOP AND FRONT

OF PLENUM BOX. ATTACH WITH

SELF TAPPING SCREWS

END ALUMINUM SUPPORT

ANGLE. TAPCON TO EXISTING

CMU WALL ON TOP AND SIDES

ANGLE PLACEMENT MAY

VARY SLIGHTLY WITH

ACTUAL UNIT SIZES

2" X 1/8" FLAT ALUMINUM STOCK – FIELD WELD

TO ALUMINUM ANGLE – TYP AT 16" O.C.

TAPCON FASTENERS

2" X 2" X 1/8" ALUMINUM ANGLE ATTACHED

TO CONCRETE SLAB – FULL WIDTH OF ROOM

SHEET 7 OF 11

SECTION

SCALE: ¾” = 1'-0"

7 7

ELEVATION

A

5 7

NEW PLENUM BOX ELEVATION

TYPICAL BARRACKS MECHANICAL ROOM

FRAMING DETAIL

FURNACE

CUT OUT

FURNACE

CUT OUT

RETURN

CUT OUT

L Lc c 2'-2 ½”2'-0 ½”2'-5”

Lc 3'-4” 3'-4”

6'-8” cL 3 cL L LL ccc

1'-4” 1'-4”1'-4”1'-4” 1'-4”

X

X

/8

X

X

/8

X

X

/8

X

X

/8

2" X 2" X 1/8"

2" X 2" X 1/8"

EXISTING CMU WALL

TAPCON FASTENERS

2" X 1/8" FLAT ALUMINUM STOCK – FIELD WELD

TO ALUMINUM ANGLE – TYP AT 16" O.C.

REAR SUPPORT ALUMINUM ANGLE.

TAPCON TO REAR CMU WALL IN CENTER OF

PLENUM BOX. TYPICAL ONE EACH

CENTER SUPPORT ALUMINUM ANGLE (BOLTED OR

WELDED CONNECTION WITH BASE TAPCONED

INTO CONCRETE). TYPICAL TWO EACH

TOP ALUMINUM CONTINUOUS SUPPORT FRAME.

ALL CONNECTIONS FIELD WELDED AND FRAME

TAPCONED TO CMU AND CONCRETE SLAB

.080" ALUMINUM TOP AND FRONT OF PLENUM

BOX. ATTACH WITH SELF TAPPING SCREWS

NOTES:

(1) APPLY 1" THICK DUCTLINER WITH ADHESIVE TO INTERIOR OF

NEW ALUMINUM (TOP AND FRONT) OF PLENUM BOX.

(2) APPLY FULL BEAD OF SILICONE SEALANT TO ANGLE ALUMINUM

WHERE ATTACHED TO CMU WALLS AND FLOOR. APPLY FULL

BEAD OF SILICONE SEALANT BETWEEN ANGLE ALUMINUM AND

FLAT ALUMINUM STOCK AND .080" ALUMINUM, PRIOR TO

ATTACHING ALUMINUM WITH SCREWS (TO CREATE AIR TIGHT

CHAMBER).

(3) SEAL NEW UNITS AND RETURN AIR DUCTWORK TO NEW

ALUMINUM METAL BOX PLENUM.

(4) FIELD VERIFY FURNACE CUT-OUT AREAS AND RETURN CUT-OUT

WITH NEW MATERIAL/EQUIPMENT PRIOR TO TOP FABRICATION.

MITER AND/OR FIELD

WELD ALUMINUM ANGLE

FRAME. THEN PRE-DRILL

AND BOLT

SHEET 8 OF 11

NEW PLENUM BOX PLAN VIEW

TYPICAL BARRACKS MECHANICAL ROOM

FRAMING DETAIL

NOTES:

NOTE 1 - REPLACE EXISTING CONDENSER UNIT WITH NEW. REPLACE LINE SETS, INSTALL FILTER DRYER, SIGHT GLASS, AND UNICELLUAR INSULATION. PROVIDE TYPE II COATING ON INSULATION EXPOSED TO EXTERIOR AND UV DETERIORATION. REUSE EXISTING REFRIGERANT TUBING SUPPORTS WITH OVERSIZED PVC SUPPORTS (TO ELIMINATE INSULATION COMPRESSION). FOLLOW EXISTING TUBING PATH FOR NEW EQUIPMENT AND LINE SETS. REUSE EXISTING EQUIPMENT PAD.

NOTE 2 - REPLACE EXISTING ELECTRICAL DISCONNECT, LIQUID FLEX AND CONDUCTOR (FROM DISCONNECT TO UNIT) WITH NEW. DISCONNECT SHALL BE NEMA 3R, BREAKER-TYPE AND OF THE SAME AMPACITY AS THE EXISTING DISCONNECT.

NOTE 3 - PROVIDE AND INSTALL NEW GFIC OUTLET IN CASE ALUMINUM BOX WITH PLASTIC PROTECTIVE COVER (FOR FUTURE UNIT SERVICING) NOTE 4 - RESEAL EXISTING THRU-WALL SLEEVE WITH EXPANSION FOAM, AFTER INSTALLATION OF REFRIGERANT LINES, ELECTRICAL AND/OR CONDENSATION PIPING.

NOTE 5 - REPLACE EXISTING THREMOSTAT WITH NEW. REPLACE THERMOSTAT WIRING TO NEW IN-BUILDING SENSOR AND NEW EQUIPMENT.

NOTE 6 - REPLACE AIR-HANDLER, FURNACE, EQUIPMENT STAND, METAL LINED RETURN AIR PLENUM AND DIFFUSER (ON MAIN DUCTWORK) WITH NEW. AFTER REPLACEMENT OF UNIT AND TIEING DUCTWORK BACK TO UNIT, APPLY A COAT OF MASTIC OVER THE EXISTING DUCTWORK INSULATION FROM THE TOP OF THE UNIT TO THE EXISTING OR NEW SUSPENDED CEILING. REPLACE THE EXISTING SUPPLY AIR DIFFUSER ABOVE THE AIR HANDLER WITH NEW OF THE SAME SIZE. LINED RETURN BOX SHALL MATCH THE SIZE OF THE EXISTING BOX AND BE SUPPORTED OFF OF THE EXISTING CONCRETE FLOOR. RECONNECT RETURN AND OUTSIDE AIR DUCTWORK TO NEW BOX. REUSE EXISTING FURNACE VENTS.

NOTE 7 - APPLY MASTIC OVER THE EXISTING DUCTWORK INSULATION FROM THE RETURN BOX UP TO THE NEW CEILING HEIGHT.

NOTE 8 - INSTALL 2' X 2' SUSPENDED CEILING GRID AND CEILING TILE AT A HEIGHT OF 8'-2" (+ OR -) AFF. INSTALL THREE RUNS OF UNISTRUIT TO TOP TRUSS CHORD (EQUALLY SPACED) TO SUPPORT THE NEW GRID AND CEILING SYSTEM. PROVIDE UNFACED INSULATION

AROUND PIPES AND NEW CEILING TO SEAL GAPS IN CEILING SYSTEM.

NOTE 9 – REPLACE THE EXISTING RETURN AIR FILTERS WITHIN SUBJECT BUILDING WITH NEW PLEATED FILTERS OF THE SAME SIZE.

NOTE 10 -PROVIDE AND INSTALL NEW GAS VALVE AND NATURAL GAS FLEX TO EACH NEW FURNACE UNIT(S). THE EXISTING BLACK IRON NG LINE (IN LATRINES) MAY BE RE-USED.

SHEET 9 OF 11

TT

TT

O U

TS

ID

E A

IR

O

U

TS

ID

E

A

IRIN

ST

A

-H O

T R

A C

K

225A

TT

TT

O U

TS

ID

E A

IR

O

U

TS

ID

E

A

IRIN

ST

A

-H O

T R

A C

K

225A

5 67

7 6

GFIGFI

GFIGFI

9'-9" 9'-9"

PARTIAL PLAN – DOUBLE LATRINE MECHANICAL ROOM

NEW WORK PLAN - TYPICAL FOR BUILDINGS 13306 & 13308

SCALE: ¼” = 1'-0"

PARTIAL PLAN – DOUBLE LATRINE MECHANICAL ROOM

EXISTING CONDITIONS - TYPICAL FOR BUILDINGS 13306 & 13308

SCALE: ¼” = 1'-0"

1 ft. 11 in.

SUCTION LINE

LIQUID LINE

FURNACE

AIR HANDLER

FU

R

N A

C E

V

EN

T

O U

TS

ID

E A

IR

D

U C

T

CONDENSATE DRAIN

LINE

RETURN AIR

DUCT

UNIT STAND WITH INSULATED GALVANIZED

PLENUM BOX UNDERNEATH AND RETURN

TRANSITION BOX (TO BE REPLACED) –

TYPICAL FOR UNITS WITHIN BUILDINGS

13306 & 13308

RETURN TRANSITION

BOX

THERMOSTAT TO BE

REPLACED – TYPICAL FOR

ALL UNITS

EXISTING

CONCRETE SLAB

SUPPLY GRILLE – REPLACE ON UNITS 13306 “B” & 13308 “A”

TYPICAL LATRINE INTERIOR UNIT ELEVATION

SCALE: 1"= 1'-0"

EXISTING SUSPENDED CEILING SYSTEM – TYPICAL FOR MECH

ROOMS IN BUILDINGS 13306 & 13308

O

R

NOTE: SOME CONFIGURATIONS

MAY VARY SLIGHTLY FROM THAT

SHOWN ON DRAWINGS

PATCH AND REPAIR EXISTING DUCT

INSULATION ON RETURN AIR AND SUPPLY

DUCTWORK AND PROVIDE COAT OF MASTIC

OVER EXISTING INSULATION UP TO

SUSPENDED CEILING HEIGHT

RETURN LINED

PLENUM BOX

(UNDER EQUIP.

STAND)

SHEET 10 OF 11

LINED RETURN

TRANSITION BOX

(24 ½” X 17 ½” X 14"H)

RETURN LINED

PLENUM BOX

(25 ½” X 20" X

17")

2" x 2" x 3/32" ANGLE

ALUMINUM FRAME LEGS (TYP. 4

PER UNIT)

2" x 2" x .0375 ANGLE

GALVALUME FOR TOP OF

FRAME

22 ½”

EQUIP. STAND

EQ

U

IP

. S

TA

N D

NEW LINED RETURN

TRANSITION BOX

(24 ½” X 17 ½” X

14"H)

NEW RETURN

LINED PLENUM

BOX (25 ½” X 20"

X 17")

EX

IS

TI

N

G O

U

TS

ID

E

A

IR

D U

C T

EXISTING RETURN

AIR DUCT – REPAIR

CUTS/TEARS IN

INSULATION AND

COAT WITH MASTIC

NEW UPFLOW

FURNACE

NEW EQUIPMENT

STAND

EXISTING CONCRETE FLOOR

NEW ANGLE SUPPORT AT

CORNERS

PROVIDE NEW EQUIPMENT

STANDS, PRE-FABRICATED

RETURN LINED PLENUM BOX

AND LINED RETURN TRANSITION

BOX FOR EACH UNIT

NEW METAL LINED RETURN PLENUM AND

TRANSITION BOX

NEW WORK PLAN VIEW

TYPICAL FOR BUILDINGS 13306 & 13308

SCALE: ¾” = 1'-0"

RETURN DUCT – TAPE TEARS/RIPS IN

INSULATION AND COAT WITH MASTIC TO NEW

CEILING HEIGHT

NEW METAL LINED RETURN PLENUM AND TRANSITION BOX

PARTIAL ELEVATION

NEW WORK PLAN VIEW

TYPICAL FOR BUILDINGS 13306 & 13308

SCALE: ¾” = 1'-0"

NOTE:

CONTRACTOR TO VERIFY PHYSICAL SIZE OF STAND, LINED PLENUM BOX

AND RETURN TRANSITION BOX PRIOR TO FABRICATION AND SHALL

MATCH THE SIZE OF THE EXISTING PRIOR TO REPLACMENT WITH NEW,

TO MIDIGATE ALTERING EXISTING CONNECTING DUCTWORK.

SHEET 11 OF 11