S06 Revised Drawings M-503 M-504 and M-601 - 3 pages.pdf

FILL OPENING WITH

GROUTOR SEALANT

DEPENDING UPON

BUILDING MATERIALS

PENETRATED

PIPE SLEEVE OR

SHEET METAL SLEEVE

SEAL ALL AROUND

WITH RESILIENT

NON-HARDENING

SEALER-TYP BUILDING WALL OR FLOOR

1/2" TO 5/8" ANNULAR

SPACE-PACK SPACE

WITH FIBERGLASS

MATERIAL

PIPE OR ELECTRICAL CONDUIT

5 FT

6 8 10

9 1110 12

-1312 14 -16 -

1614 17 2219 23

2725 28 3230

20 241814 16128 1064 532 2 1/21 1/21 1 1/4THRU 3/4

7 7

7 98

SIDE VIEW TRAPEZE HANGER FOR UP TO

1000 LB. UNIFORM LOAD

ADJUSTABLE CLEVIS HANGER TYPE 1 - SEE SPECIFICATIONS ADJUSTABLE CLEVIS HANGER TYPE 43 - SEE SPECIFICATIONS

MAXIMUM PIPE/TUBING SUPPORT SPACING

NOTE: FOR TRAPEZE HANGER TAKE SPACING OF SMALLEST SIZE ON TRAPEZE.

NOM. SIZE

PIPE

TUBING

IN.

FT.

FT.

M A

X

PROVIDE INSULATION

SHIELD & INSERT FOR

ALL PIPING (8" MIN.)

BAND

1-5/8" 12 GAUGE

CHANNEL OR

2"x2"x1/4"

ANGLE

1/2" DIA. HANGER

RODS WITH

36" MAX. SPACING

ON EACH CHANNEL

WELD

SADDLE

INSULATION SHIELD

AT HANGER

PROVIDE HIGH

COMPRESSIVE

STRENGTH INSULATION (9

PSF MIN. DENSITY) UNDER

INSULATION SHIELD

INSULATION (VAPOR

BARRIER TYPE IS

REQUIRED FOR LOW

TEMPERATURE PIPE)

HANGER ROD

NOTES:

SEE SPECIFER FOR

DETAILED HANGER

REQUIREMENTS

SUPPLY WATER SHALL BE CONNECTED

TO AIR LEAVING SIDE OF COIL

COLLECT ALL DRAINS, INSTALL HOSE

CONNECTION AND CAP

TEMP. AND PRESS. FITTING TYP.

PRESSURE GAUGE

THERMOMETER

UNION

AUTOMATIC TWO-WAY CONTROL VALVE

BUTTERFLY VALVE

MANUAL AIR VENT

1/2" GATE VALVE AND DRAIN

DASHED PIPING AND COILS INDICATE

TYPICAL PIPING REQUIREMENTS FOR

MULTIPLE COILS

FLOW CONTROL VALVE, SEE

SPECIFICATIONS SECT. 15080

CONNECTION

STRAINER WITH HOSE BIBB

DRAINS AND VENTS FOR SEASONAL MAINTENANCE

STEAM HIGHER THAN 15 PSI NEEDS TO BE IN STEEL

BRONZE VALVES ARE STILL INDICATED FOR SOME

STEAM VALVES IN SPEC, PER DECEMBER 21

DIRECTION.

GENERAL NOTES

1 PROVIDE AUTOMATIC AIR VENTS AT ALL

HIGH POINTS IN SYSTEM. TO BE PIPED TO

NEAREST FLOOR DRAIN.

2 SEE PLANS AND/OR PIPING

SCHEMATIC FOR PIPE SIZES.

3 TEMP./PRESS. FITTINGS INSTALLED

IN PIPING 2" AND SMALLER SHALL

BE INSTALLED IN ELBOW OR IN THE

BRANCH SIDE OF A 2" TEE.

COIL

COIL

AIR FLOW

CHS

CHR

1" OVERLAP

ON ALL SIDES

OF DAMPER

AIRFLOW

1" OVERLAP

ON ALL SIDES

OF DAMPER

AIRFLOW

MULTIBLADE NON-AIRFOIL

(LOW VELOCITY APPLICATIONS

1500 FPM & LESS)

MULTIBLADE AIRFOIL

(HIGH VELOCITY APPLICATIONS

IN EXCESS OF 1500 FPM)

WALL OR FLOOR

SLEEVE - SEE MANUFACTURE'S INSTALLATION NOTES

MOUNTING ANGLES CONTINUOUS AROUND SLEEVE WITH MINIMUM 1" OVERLAP

SQUARE OR RECTANGULAR DAMPER FRAME FOR ROUND OR OVAL DUCTS,

PROVIDE DUCT TRANSITION

BREAKAWAY DUCT CONNECTION - SEE INSTALLATION NOTES

INSTALL DAMPER ASSEMBLY PER MANUFACTURER'S INSTALLATION INSTRUCTIONS

1/4" MINIMUM EXPANSION CLEARANCE - SEE MANUFACTURE'S INSTALLATION NOTES

APPROVED SEALING MATERIAL IN ACCORDANCE WITH MANUFACTURER'S

INSTALLATION INSTRUCTIONS

U.L. APPROVED DAMPER ACTUATOR ASSEMBLY WITH MOUNTING BRACKET,

ELECTRIC FUSE LINK, AND OPERATING JACK SHAFT LINKAGE. DAMPER

ACTUATOR SHALL BE MOUNTED ON DUCT OUTSIDE AIR STREAM\

INTEGRAL FACTORY WIRED FOR SINGLE POINT POWER CONNECTION, NO FLOW

SMOKE DETECTOR WITH BUILT-IN TEST SWITCH RATED FOR 0-3000 FPM, MOUNTED

INTERNALLY TO THE DAMPER SLEEVE

* FUSIBLE ROD IS NOT REQUIRED FOR SMOKE DAMPER APPLICATION

6" 6"6"6"

10 3

STEAM TRAP

TEST TEE

STEAM TRAP MONITOR CONNECTED

TO BMS, SEE MECHANICAL

CONTROLS DRAWINGS

INCLUDE A LOCKABLE VALVE

TEST TEE

DOUBLE STEAM TRAP

DRIP TRAP

REFERENCE

M-501/B1

NTS

D4

PIPE PENTRATION DETAIL

NTS

B7

PIPE SUPPORTS

NTS

F7

CHILLED WATER COIL PIPING SCHEMATIC WITH 2-WAY VALVE

NTS

F1

SMOKE DAMPER AND COMBINATION FIRE SMOKE DAMPER DETAIL

on e-ei gh th in ch o ne fo ot on e-qu ar te r ne fo ot th re e-ei gh th s ne fo ot on e-ha lf ne fo ot th re e-qu ar te r ne fo ot in ch on e ne fo ot on e an d on e-ha lf ne fo ot th re e in es ne fo ot

REVISIONS DATE

General Notes:

GENERAL CONTRACTOR AND/OR ALL SUBCONTRACTORS SHALL FIELD VERIFY ALL DIMENSIONS SHOWN ON THESE PLANS AND SHALL BE RESPONSIBLE FOR VARIATIONS BETWEEN PLAN DIMENSIONS AND ACTUAL FIELD DIMENSIONS. WHERE VARIATIONS ARE FOUND TO OCCUR, THE CONTRACTOR SHALL NOTIFY THE PROJECT ENGINEER IN WRITING PRIOR TO PROCEEDING WITH CONSTRUCTION; NO ADJUSTMENT TO

THE WORK WILL BE MADE WITHOUT THE PRIOR APPROVAL OF THE PROJECT ENGINEER.

GENERAL CONTRACTOR SHALL BE RESPONSIBLE FOR GENERAL DEMOLITION INCLUDING REMOVAL OF WALLS, PARTITIONS, DOORS & CEILING & FLOORS. ANY AND ALL CUTTING OF CONCRETE FLOORS, WALLS OR STRUCTURE SHALL BE THE GENERAL CONTRACTOR'S RESPONSIBILITY. CORE DRILLING THROUGH CONCRETE WALLS, FLOORS OR STRUCTURE FOR PIPING OR CONDUIT SHALL BE THE RESPONSIBILITY OF THE SUBCONTRACTOR BY TRADE; FIRESTOPPING OF THESE OPENINGS SHALL BE DONE BY THE RESPECTIVE SUBCONTRACTOR. REMOVAL OF DEBRIS RESULTING FROM DEMOLITION, CUTTING, AND/OR DRILLING IS THE RESPONSIBILITY OF THE GENERAL CONTRACTOR. PATCHING AND REPAIR OF CONCRETE WALLS, FLOOR, OR STRUCTURE SHALL BE THE RESPONSIBILITY OF THE GENERAL CONTRACTOR; THIS WILL BE ACCOMPLISHED UPON COMPLETION OF THE INSTALLATION OF ANY AND ALL UTILITIES INSTALLED

BY THE VARIOUS SUBCONTRACTORS.

Approved: Division Chief

Issue Date Checked Drawn

DrawingNumber

Building Number

Project NumberDrawing Title Project Title

Location Drawing Scale

Approved: Service DirectorPlot Scale U.S. Department of Veterans Affairs

Office of Construction and Facilities Management

FULLY SPRINKLERED

Phase

A

B

C

D

E

F

A

B

C

D

E

F

21 4 5 6 7 8 9 10

321 4 5 6 7 8 9 10

A/E:

TRIPLE C - The A/E Group

(520) 481-8548

Mat Perkins

As indicated

B

IM

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R e n o v a te

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M

09/12/2022 K. Luke N. Harper

618-22-102

1391 - M-503

MECHANICAL DETAILS

1 Veterans Drive, Minneapolis, MN 55417

B70

RENOVATION OF BUILDING 70 3D

BED WING100% CONSTRUCTION

DOCUMENTS

NTS

D7

DUCTWORK SQUARE VANE ELBOWS

NTS

B4

STEAM SAFETY VALVE

NTS

B1

STEAM SAFETY VALVE

SCALE: 12" = 1'-0"

F4

AIR HANDLING UNIT STEAM COIL

PIPING DETAIL

1 ADDENDUM #1 4/10/23

12/17/2021

HEPA FILTER

AT DIFFUSERS

34 VA

TEST TEE 1

TEST TEE

TEST TEE

on e-ei gh th ne fo ot on e-qu ar te r ne fo ot th re e-ei gh th s ne fo ot on e-ha lf ne fo ot th re e-qu ar te r ne fo ot in ch on e ne fo ot on e an d on e-ha lf ne fo ot th re e in ne fo ot

REVISIONS DATE

General Notes:

GENERAL CONTRACTOR AND/OR ALL SUBCONTRACTORS SHALL FIELD VERIFY ALL DIMENSIONS SHOWN ON THESE PLANS AND SHALL BE RESPONSIBLE FOR VARIATIONS BETWEEN PLAN DIMENSIONS AND ACTUAL FIELD DIMENSIONS. WHERE VARIATIONS ARE FOUND TO OCCUR, THE CONTRACTOR SHALL NOTIFY THE PROJECT ENGINEER IN WRITING PRIOR TO PROCEEDING WITH CONSTRUCTION; NO ADJUSTMENT TO

THE WORK WILL BE MADE WITHOUT THE PRIOR APPROVAL OF THE PROJECT ENGINEER.

GENERAL CONTRACTOR SHALL BE RESPONSIBLE FOR GENERAL DEMOLITION INCLUDING REMOVAL OF WALLS, PARTITIONS, DOORS & CEILING & FLOORS. ANY AND ALL CUTTING OF CONCRETE FLOORS, WALLS OR STRUCTURE SHALL BE THE GENERAL CONTRACTOR'S RESPONSIBILITY. CORE DRILLING THROUGH CONCRETE WALLS, FLOORS OR STRUCTURE FOR PIPING OR CONDUIT SHALL BE THE RESPONSIBILITY OF THE SUBCONTRACTOR BY TRADE; FIRESTOPPING OF THESE OPENINGS SHALL BE DONE BY THE RESPECTIVE SUBCONTRACTOR. REMOVAL OF DEBRIS RESULTING FROM DEMOLITION, CUTTING, AND/OR DRILLING IS THE RESPONSIBILITY OF THE GENERAL CONTRACTOR. PATCHING AND REPAIR OF CONCRETE WALLS, FLOOR, OR STRUCTURE SHALL BE THE RESPONSIBILITY OF THE GENERAL CONTRACTOR; THIS WILL BE ACCOMPLISHED UPON COMPLETION OF THE INSTALLATION OF ANY AND ALL UTILITIES INSTALLED

BY THE VARIOUS SUBCONTRACTORS.

Approved: Division Chief

Issue Date Checked Drawn

DrawingNumber

Building Number

Project NumberDrawing Title Project Title

Location Drawing Scale

Approved: Service DirectorPlot Scale U.S. Department of Veterans Affairs

Office of Construction and Facilities Management

FULLY SPRINKLERED

Phase

A

B

C

D

E

F

A

B

C

D

E

F

21 4 5 6 7 8 9 10

321 4 5 6 7 8 9 10

TRUE NORTH

PLAN NORTH

KEYPLAN

A/E:

TRIPLE C - The A/E Group

(520) 481-8548

Mat Perkins

A

B D

EF

G

H

J

K

L

M

C

As indicated

B

IM

/6

-2

-1

R e n o v a te

D

B e d W in g -B

-M

P L S

V A

M C

/6 -2

-7

.M

P L S

.3 D

.B e d .W in g .M

E P

.G e n e ra l.

S h e e ts

.r v t

/1

/2

:1 :4

P

M

09/12/2022 K. Luke N. Harper

618-22-102

1391 - M-504

MECHANICAL DETAILS

1 Veterans Drive, Minneapolis, MN 55417

B70

RENOVATION OF BUILDING 70 3D

BED WING100% CONSTRUCTION

DOCUMENTS

NTS

F1

AIR SYSTEM FOR COMBINATION AIRBORNE INFECTION ISOLATION (AII)/PROTECTIVE ENVIORNMENT (PE) ROOM

WITH NEGATIVE ANTEROOM

NTS

B1

INVERTED BUCKET STEAM TRAP ASSEMBLY

NTS

B3

FLOAT AND THERMOSTATIC STEAM TRAP ASSEMBLY

NTS

B6

THERMOSTATIC STEAM TRAP ASSEMBLY

NTS

B8

SUPPLY DUCTWORK TAKE-OFFS

NTS

C8

SUPPLY DUCT TAKE-OFFS - AIR TERMINAL UNIT

NTS

D8

ALTERNATIVE SUPPLY DUCT TAKEOFF - AIR TERMINAL UNITS

NTS

F8

EXHAUST OR RETURN BRANCH DUCTWORK

NTS

F5

AIR SYSTEM FOR AIRBORNE INFECTION ISOLATION ROOM (AII)(WITH ANTE ROOM)

1 ADDENDUM #1 4/10/23

70.FTR.3D118.1

70.FTR.3D117.2

70.FTR.3D117.1

70.FTR.3D116.1

70.FTR.3D115.2

70.FTR.3D115.1

70.FTR.3D114.1

70.FTR.3D113.1

70.FTR.3D112.2

70.FTR.3D112.1

70.FTR.3D111.1

70.FTR.3D110.1

70.VAV.21.3D-111

70.VAV.21.C3-19.2

70.VAV.21.3D-112

70.VAV.21.3D-113

70.VAV.21.3D-133

70.VAV.21.3D-114

70.VAV.21.3D-115

70.VAV.21.C3-20

70.VAV.21.3D-135

70.VAV.21.C3-19.3

70.VAV.21.3D-116

70.VAV.21.3D-136

70.VAV.21.3D-117

70.VVE.21.3D-118.2

70.VVE.21.3D-118.1

70.VVS.21.3D-118

70.VAV.21.3D-138

70.VAV.21.C3-24

70.VAV.21.3D-121

70.VAV.21.3D-119

70.VAV.21.C3-25.170.VAV.21.3D-102

70.VVS.21.3D-101

70.VVE.21.3D-101.2

70.VVE.21.3D-101.1

70.VAV.21.3D-122

70.VAV.21.3D-123

70.VAV.21.C3-25.2

70.VAV.21.3D-103

70.VAV.21.3D-104

70.VAV.21.3D-105

70.VAV.21.3D-125

70.VAV.21.3D-106

70.VAV.21.3D-12670.VAV.21.3D-107

70.VAV.21.C3-25.3

70.VAV.21.3D-128

70.VAV.21.3D-108

70.VAV.21.C3-19.1

70.VVS.21.3D-110

70.VVE.21.3D-110.1

70.VVE.21.3D-110.2

70.VAV.21.C3-18

70.VVS.21.3D-109

70.VVE.21.3D-109.2

70.VVE.21.3D-109.1

VVRC-2

3/4" HWR

3/4" HWS

3/4" HWS

3/4" HWR

3/4" HWS

3/4" HWR

2 1/2" HWS

2 1/2" HWR

2 1/2" HWS

2 1/2" HWR

1 1/2" HWS

1 1/2" HWR

1 1/2" HWS

1 1/2" HWR

3/4" HWR

3/4" HWS

3/4" HWR

3/4" HWS

1 1/4" HWS

1 1/4" HWR

1 1/4" HWS

1 1/4" HWR

1 1/4" HWS

1 1/4" HWR

3/4" HWS

3/4" HWR 3/4" HWS

3/4" HWR

3/4" HWR

3/4" HWS 3/4" HWR

3/4" HWS

3/4" HWS

3/4" HWR

3/4" HWR

3/4" HWS

3/4" HWS

3/4" HWR3/4" HWR

3/4" HWS

3/4" HWS

3/4" HWR

3/4" HWS

3/4" HWR

3/4" HWR

3/4" HWS

3/4" HWR

3/4" HWS

3/4" HWS

3/4" HWR 2" HWS

3/4" HWR

2" HWS

3/4" HWS

3/4" HWR

3/4" HWS

2" HWS

3/4" HWR

3/4" HWS

2" HWS

3/4" HWR

3/4" HWS

3/4" HWR

3/4" HWS

3/4" HWR

3/4" HWS

3/4" HWR

2" HWS

2" HWS

1" HWR

2" HWS

1" HWR

1" HWR

3/4" HWR

3/4" HWR

3/4" HWR

on e-ei gh th ne fo ot on e-qu ar te r ne fo ot th re e-ei gh th s ne fo ot on e-ha lf ne fo ot th re e-qu ar te r ne fo ot in ch on e ne fo ot on e an d on e-ha lf ne fo ot th re e in ne fo ot

REVISIONS DATE

General Notes:

GENERAL CONTRACTOR AND/OR ALL SUBCONTRACTORS SHALL FIELD VERIFY ALL DIMENSIONS SHOWN ON THESE PLANS AND SHALL BE RESPONSIBLE FOR VARIATIONS BETWEEN PLAN DIMENSIONS AND ACTUAL FIELD DIMENSIONS. WHERE VARIATIONS ARE FOUND TO OCCUR, THE CONTRACTOR SHALL NOTIFY THE PROJECT ENGINEER IN WRITING PRIOR TO PROCEEDING WITH CONSTRUCTION; NO ADJUSTMENT TO

THE WORK WILL BE MADE WITHOUT THE PRIOR APPROVAL OF THE PROJECT ENGINEER.

GENERAL CONTRACTOR SHALL BE RESPONSIBLE FOR GENERAL DEMOLITION INCLUDING REMOVAL OF WALLS, PARTITIONS, DOORS & CEILING & FLOORS. ANY AND ALL CUTTING OF CONCRETE FLOORS, WALLS OR STRUCTURE SHALL BE THE GENERAL CONTRACTOR'S RESPONSIBILITY. CORE DRILLING THROUGH CONCRETE WALLS, FLOORS OR STRUCTURE FOR PIPING OR CONDUIT SHALL BE THE RESPONSIBILITY OF THE SUBCONTRACTOR BY TRADE; FIRESTOPPING OF THESE OPENINGS SHALL BE DONE BY THE RESPECTIVE SUBCONTRACTOR. REMOVAL OF DEBRIS RESULTING FROM DEMOLITION, CUTTING, AND/OR DRILLING IS THE RESPONSIBILITY OF THE GENERAL CONTRACTOR. PATCHING AND REPAIR OF CONCRETE WALLS, FLOOR, OR STRUCTURE SHALL BE THE RESPONSIBILITY OF THE GENERAL CONTRACTOR; THIS WILL BE ACCOMPLISHED UPON COMPLETION OF THE INSTALLATION OF ANY AND ALL UTILITIES INSTALLED

BY THE VARIOUS SUBCONTRACTORS.

Approved: Division Chief

Issue Date Checked Drawn

DrawingNumber

Building Number

Project NumberDrawing Title Project Title

Location Drawing Scale

Approved: Service DirectorPlot Scale U.S. Department of Veterans Affairs

Office of Construction and Facilities Management

FULLY SPRINKLERED

Phase

A

B

C

D

E

F

A

B

C

D

E

F

21 4 5 6 7 8 9 10

321 4 5 6 7 8 9 10

TRUE NORTH

PLAN NORTH

KEYPLAN

A/E:

TRIPLE C - The A/E Group

(612) 355-1251

Mat Perkins

A

B D

EF

G

H

J

K

L

M

C

GENERAL NOTES

KEYNOTES

B

IM

/6

-2

-1

R e n o v a te

D

B e d W in g -B

-M

P L S

V A

M C

/6 -2

-7

.M

P L S

.3 D

.B e d .W in g .M

E P

.B .L

.r v t

/1

/2

:4

:5

A

M

09/12/2022 M. Perkins N.Harper

618-22-102

1391 - M-601

MECHANICAL PIPING ISOMETRIC PLAN

1 Veterans Drive, Minneapolis, MN 55417

B70

RENOVATION OF BUILDING 70 3D

BED WING

100% CONSTRUCTION

DOCUMENTS

SCALE:

F3

MECHANICAL PIPING ISOMETRIC

VIEW

A. CONTRACTOR SHALL COORDINATE ALL EQUIPMENT, DUCTWORK AND PIPING

WITH STRUCTURAL, MECHANICAL, AND ELECTRICAL SYSTEMS AND SHALL

PROVIDE NECESSARY OFFSETS TO AVOID CONFLICTS AND TO MAINTAIN

REQUIRED EQUIPMENT ACCESS AND SERVICEABILITY.

B. COORDINATE ALL DUCTWORK AND PIPE ROUTING AND ELEVATIONS WITH

OTHER TRADES IN ADVANCE OF INSTALLATION.

C. TEST AND BALANCE CONTRACTOR SHALL PROVIDE A PRE-

CONSTRUCTION TAB REPORT FOR THE EQUIPMENT AND ASSOCIATED

SYSTEMS SHOWN ON THE CONSTRUCTION DOCUMENTS AND UTILIZE

ALL AVAILABLE AS-BUILT DRAWINGS FROM THE OWNER. TEST AND

BALANCE CONTRACTOR SHALL VISIT SITE PRIOR TO CONSTRUCTION

AND VERIFY ALL EXISTING EQUIPMENT AND DEVICES, AND DEVELOP

THEIR TEST AND BALANCE FORMS INCLUDING DRAWINGS SHOWING

EQUIPMENT LOCATIONS, AIR DISTRIBUTION DEVICE LOCATIONS AND

TAG NUMBERS. IF THERE ARE LOCATIONS WHERE THE DRAWINGS DO

NOT REFLECT FIELD CONDITIONS, THE TEST AND BALANCE

CONTRACTOR SHALL INCLUDE THE AIRFLOW READINGS ON THE FORMS

AND LOCATE THE EQUIPMENT AND/OR AIR DEVICE ON THE DRAWINGS.

REFER TO SPECIFICATION SECTION 23 05 93 FOR MORE INFORMATION.

D. ALL DATA OBTAINED VIA TESTING AND MEASURING SHALL BE UTILIZED

TO ESTABLISH NEW HVAC SYSTEM PERFORMANCE AND BALANCE DATA

FOR THE RENOVATION. DATA SHALL BE FORWARDED TO THE PROJECT

ENGINEER FOR REVIEW AND COMMENT PRIOR TO COMMENCING THE

DEMOLITION AND/OR NEW WORK ASSOCIATED WITH THE FACILITY

RENOVATION.

E. THE CONTRACTOR SHALL PATCH, PAINT AND RETURN TO MATCH EXISTING

CONDITIONS FOR ANY FLOOR, WALL, OR CEILING THAT WAS DISTURBED TO

COMPLETE THIS PROJECT.

F. ALL NEW THERMOSTATS ARE TO BE MOUNTED AT A HEIGHT OF 54” ABOVE

FINISHED FLOOR. VERIFY FINAL THERMOSTAT LOCATIONS WITH VA.

G. REFER TO ARCHITECTURAL DRAWINGS FOR MOUNTING HEIGHTS AND

ELEVATIONS.

NOTE: NOT ALL KEYNOTES

ARE USED ON EACH SHEET

1. PROVIDE NEW SUPPLY AIR GRILLE, COORDINATE WITH NEW AND EXISTING

CONDITIONS.

2. PROVIDE NEW RETURN AIR GRILLE, COORDINATE WITH NEW AND EXISTING

CONDITIONS.

3. PROVIDE NEW EXHAUST FAN, COORDINATE WITH NEW AND EXISTING

CONDITIONS.

4. REPLACE EXISTING FIN TUBE RADIATION WINDOW HEATER WITH NEW. PROVIDE

NEW DIGITAL MODULATING CONTROL VALVES AND PIPING IN THE INTERSTITIAL

LEVEL BELOW.

5. RETAIN TRUNK/MAIN DUCT WORK IN INTERSTITIAL BACK TO AHU, RF, AND EF.

6. PROVIDE NEW DDC TERMINAL UNIT, CONNECT TO EXISTING BUILDING

AUTOMATION SYSTEM. PROVIDE NEW THERMOSTAT TO MATCH BUILDING

STANDARDS. REFER TO SHEET M-501 FOR DETAILS AND M-803 FOR CONTROLS.

7. CONNECT EXISTING DUCTWORK TO NEW TERMINAL UNIT. PROVIDE

TRANSITIONS AS NECESSARY TO MAKE CONNECTION AND SEAL AIRTIGHT.

8. CONNECT NEW MAINS SERVING 3D TO EXISTING RISERS 3" HEATING WATER

SUPPLY AND 2" HEATING WATER RETURN. PROVIDE NEW ISOLATION VALVES AT

DOMESTIC WATER POINTS OF CONNECTION.PROVIDE NEW THERMOSTAT,

COORDINATE WITH NEW AND EXISTING CONDITIONS.

9. PROVIDE NEW THERMOSTAT, COORDINATE WITH NEW AND EXISTING

CONDITIONS.

10. CONNECT NEW MAINS SERVING 3D TO EXISTING RISERS 4" CHILLED WATER

SUPPLY, 4" CHILLED WATER RETURN, 3" MEDIUM PRESSURE STEAM, AND 3"

MEDIUM PRESSURE RETURN. PROVIDE NEW ISOLATION VALVES AT POINTS OF

CONNECTION.

11. EXISTING PNEUMATIC CONTROLS DEVICES SERVING EQUIPMENT PLACED WITH

THIS PROJECT SHALL BE REMOVED AND REPLACED WITH NEW DDC CONTROLS.

12. EXISTING DDC CONTROLS ENCLOSURE TO REMAIN, PROTECT IN PLACE.

13. CONTRACTOR SHALL PROVIDE NEW MECHANICAL CONTROL SYSTEM

HARDWARE AND SOFTWARE AND INTEGRATE WITH EXISTING CONTROLS

SYSTEM HARDWARE AND SOFTWARE IN ACCORDANCE WITH SPECIFICATION

SECTION 23 09 23. COORDINATE WITH VA AND COMMISSION ALL NEW

MECHANICAL EQUIPMENT WITH THE EXISTING ENGINEERING CONTROL CENTER.

ALL TRENDS, POINTS, AND ALARMS SHALL BE ADDRESSABLE BY THE EXISTING

NETWORK.

14. PROVIDE NEW OUTSIDE AIR DUCT, DAMPER, AND LOUVER. SIZED FOR 100%

OUTSIDE AIR.

15. REPLACE EXISTING EF-50 AND HEPA FILTER ASSEMBLY SERVING ISOLATION

ROOM. PROVIDE NEW EF-50 PER THE MECHANICAL SCHEDULES WITH NEW

HEPA FILTER BOX, HOUSING, ACCESS PANEL AND INTEGRATED DIFFERNENTIAL

PRESSURE. (2) FILTERS @ 24"X24"X12" EACH WITH MAXIMUM FACE VELOCITY OF

400 FPM. SEE F1/M-504 FOR MORE DETAILS.

16. PROVIDE NEW AIR HANDLING UNIT 70-AH3NE-21 WITH 100% OUTSIDE AIR

EMERGENCY PANDEMIC MODE OPERATION. SEE MECHANICAL SCHEDULES FOR

AHU SPECIFICATIONS. SHIPPING SPLITS SHALL BE SIZED TO FIT THROUGH

EXISTING KNOCKOUT LOUVER AT THE OUTSIDE AIR INTAKE.

17. PROVIDE NEW EXHAUST FAN 70-EF34 WITH HEPA FILTER TO SERVE NEGATIVE

PRESSURE ROOMS. REPLACE DUCTWORK BACK TO POINT OF CONNECTION IN

THE THIRD LEVEL MECHANICAL ROOM.

18. PROVIDE NEW CHILLED WATER SUPPLY AND RETURN PIPING BACK TO EXISTING

MECHANICAL ROOM RISER TO SERVE NEW AHU CHILLED WATER COIL. SEE

MECHANICAL SCHEDULES.

19. PROVIDE MEDIUM PRESSURE STEAM AND CONDENSATE PIPING BACK TO

EXISTING MECHANICAL ROOM RISER TO SERVE NEW 70-AH3NE-21 PREHEATING

COIL. SEE MECHANICAL SCHEDULES.

20. EXISTING SUPPLY AIR MAIN DUCTWORK FROM 70-AH3NE-21 SHALL BE RETAINED

AND REUSED TO SERVE RENOVATED SPACE.

21. PROVIDE TEMPORARY AHU SERVING EXISTING SUPPLY AIR MAINS DURING

REPLACMENT OF THE EXISTING AHU. TEMPORARY UNIT SHALL BE SIZED PER

MECHANICAL EQUIPMENT SCHEDULES. PROVIDE FLEXIBLE DUCT WORK AND

ISOLATION DAMPERS DURING CHANGEOVER TO TEMPORARY UNIT. TEMPORARY

AHU SHALL BE FULLY COMMISISONED PRIOR TO REMOVING EXISTING UNIT.

22. PROVIDE NEW VENTURI SUPPLY AND EXHAUST VALVES. BALANCE ISOLATION

ROOMS AS REQUIRED BY DETAIL F1/M-504.

23. EF-33 TO REMAIN, PROTECT IN PLACE.

24. PROVIDE NEW 1 HOUR FIRE SMOKE DAMPER.

25. REPLACE EXISTING FIRE SMOKE DAMPERS WITH NEW DDC CONTROLLED

DAMPERS.

26. PROVIDE ROOM PRESSURE SENSORS AND PRESSURE MONITORING

TOUCHSCREENS EACH SIDE OF BUFFER, ANTE AND STORAGE PARTITIONS TO

MONITOR COMPOUNDING SUITE PRESSURE DIFFERENTIALS. SEE SHEET M-601

FOR PRESSURE AND AIRFLOW REQUIREMENTS.

27. EXISTING DUCTWORK TO REMAIN.

28. PROVIDE NEW FLUSH MOUNT WALL FIN BELOW WINDOW.

29. NEW EXHAUST DUCT FROM EF-50 THROUGH ROOF ABOVE. CONTRACTOR TO

FIELD VERIFY EXISTING ROOF CONDITIONS.

30. PROVIDE BAG-IN-BAG OUT FILTER SYSTEM. UNIT TO INCLUDE FULLY WELDED

304 STAINLESS STEEL CASING WITH OPENING FOR INSPECTION, ONE GASKETED

ACCESS DOOR, GEL SEAL BAG-IN/BAG-OUT HOUSING, 2" DEEP PREFILTER,

11-1/2" DEEP HEPA FINAL FILTER, AND PRESSURE SENSORS. SENSORS TO BE

MONITORED BY BAS.

31. PROVIDE EXHAUST FAN WITH EXHAUST STACK AND NOZZLE DISCHARGE.

FURNISH AND INSTALL AS INDICATED IN DETAIL B4/M5-02.

32. LOCATE EF-50A & EF 50B 25'0" AWAY FROM ALL INTAKES

33. PROVIDE SUPPORTS FOR EXTERIOR DUCTWORK AND BAG-INBAG OUT FILTER

SYSTEM. SUPPORTS TO BE LOCATED 10'0" OR ANY CHANGE IN DIRECTION. SEE

DETAIL D6/M5-02

34. EXTEND DUCT TO CONNECT TO 12" GENERAL EXHAUST. REBALANCE EXISTING

GENERAL EXHAUST FAN TO ACCOUNT FOR NEW SPACES SERVICED.

35. PROVIDE NEW RISER TO LEVEL 4 FOR ISOLATION EXHAUST. REPLACE FIRE

DAMPER WITH NEW. CONNECTION TO LEVEL 2 SHALL BE REMOVED.

36. PROVIDE AUTOMATIC AND MANUAL AIR VENT AT HIGHEST POINT OF SYSTEM TO

RELEASE AIR OUT OF PIPING SYSTEM. AIR VENTS ARE TO BE DRAINED TO

NEAREST FLOOR DRAIN.

37. ROUTE 1/2" CONDENSATE TO NEAREST FLOOR DRAIN.

38. DUCTWORK FROM CONDENSATE DRAIN UP THROUGH EXHAUST STACK TO BE

TYPE 304 STAINLESS STEEL.

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1 ADDENDUM 1 4/6/23

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