PWS Appendix A - Concept Plans.pdf

PDF 1 MB Posted Feb 18, 2026

Attached to: HAWAII COMPUTER ROOM AIR HANDLING REPLACEMENT Federal contract opportunity
Solicitation number: HC102826R0004
Issued by: Defense Information Systems Agency

About this file

Written by GovTribe AI · Feb 18, 2026

This document is a set of concept plans for a Computer Room Air Handler (CRAH) replacement project at Data Center Hawaii, located in Building 77 at Joint Base Pearl Harbor-Hickam. The Defense Information Systems Agency (DISA) has commissioned this FY26 Room 191 CRAH Replacement project, with design and documentation prepared by HC342 Facilities Engineering in Greenwood Village, Colorado, submitted on August 13, 2025.

The concept plans include architectural, mechanical, telecommunications, and electrical drawings specifying the replacement of existing CRAH units CRAH_1-A-06 and CRAH_1-A-07 with new 10-ton downdraft units featuring EC fans. Key requirements include: modification of raised access flooring around each unit with sealing of penetrations; rerouting of chilled water supply and return piping (potentially upsizing from 7/8" to 1-1/8" connections based on manufacturer specifications); installation of new floor stands, low-point drain valves with hose bibs, and future dual CHW connections at each unit; replacement of condensate drain lines with increased sizing; and installation of aisle containment panels with adjustable mounting support posts. Electrical work involves reusing existing breakers, wiring, and conduit if properly sized and passing hipot testing, otherwise replacing components. All work must maintain facility operational continuity, obtain Authorized Service Interruptions (ASI) 45 days in advance for hazardous conditions, and comply with DISA security standards (DISAI 240-110-33 or ICD/ICS-705) for secure wall penetrations. The contractor must coordinate with ongoing mission-essential operations, manage debris removal, protect existing infrastructure, and verify field conditions prior to design finalization.

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Other files for this federal contract opportunity

Other files attached to HAWAII COMPUTER ROOM AIR HANDLING REPLACEMENT, newest first.
File	Type	Posted
HC102826R0004 AMD 0003.pdf	PDF	Mar 24, 2026
HC102826R00040002.pdf	PDF	Mar 24, 2026
encl02c_pws-HAW Rm 191 CRAH Rev 1.pdf	PDF	Mar 10, 2026
QA - HAW Rm 191 CRAH Replacement.pdf	PDF	Mar 10, 2026
HC102826R00040001.pdf	PDF	Mar 9, 2026
HC102826R0004 0001.pdf	PDF	Mar 9, 2026
Pre-proposal SITE VISIT.pdf	PDF	Feb 18, 2026
QASP - HAW Rm 191 CRAH.pdf	PDF	Feb 18, 2026
Pre-proposal SITE VISIT.pdf	PDF	Feb 18, 2026
PWS Appendix F - DISA NDA.docx	DOCX document	Feb 18, 2026
HC102826R0004.pdf	PDF	Feb 18, 2026
Wage Determination.pdf	PDF	Feb 18, 2026
PWS Appendix E - SEC Spreadsheet.xlsx	XLSX spreadsheet	Feb 18, 2026
PWS Appendix D - CRAH Units.pdf	PDF	Feb 18, 2026
PWS Appendix C - Electrical Safety Program.pdf	PDF	Feb 18, 2026
PWS Appendix B - DISA Labeling Std.pdf	PDF	Feb 18, 2026

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COVER SHEET

DEFENSE INFORMATION SYSTEMS AGENCY

FY26 RM 191 CRAH REPLACMENT

CONCEPT PLANS

DATA CENTER HAWAII

SHEET

IDENTIFICATION

B Y:

D R

B Y:

D B

C H

D B

T D

L D

N N

C O

N O

N U

K D

N D

K D

N D

1 2 3 4 5

Defense Information Systems Agency A Combat Support Agency

H C

C O

N C

N /A

/A AS

S H

O W

I -

R-

R O

O M

C R

S . W

ILL

D R.

. 2

G R

W O

O D

E, C

_M D

G -C

G-001

C O

S H

PLAREA OF WORK

Sheet List Table Sheet Number Sheet Title

GENERAL

G-001 COVER SHEET

G-002 LEGEND INDEX AND NOTES

ARCHITECTURAL

A-100 SECURE ROOM PLAN

A-500 ARCHITECTURAL DETAILS

MECHANICAL

M-100 ROOM 191 FLOOR PLANS

M-101 ROOM 191 EXISTING PIPING PLANS

TELECOM

T-100 ROOM 191 AISLE CONTAINMENT

ELECTRICAL

E-600 ELECTRICAL ONE-LINE DIAGRAM

SHEET

IDENTIFICATION

B Y:

D R

B Y:

D B

C H

D B

T D

L D

N N

C O

N O

N U

K D

N D

K D

N D

1 2 3 4 5

Defense Information Systems Agency A Combat Support Agency

H C

C O

N C

N /A

/A AS

S H

O W

I -

R-

R O

O M

C R

S . W

ILL

D R.

. 2

G R

W O

O D

E, C

_M D

G -C

G-002

N D

N O

LEGEND INDEX AND NOTES

MECHANICAL SYMBOLS

TRIPLE DUTY (SERVICE) VALVE

FLOW SENSOR

FLEXIBLE HOSE

COLUMN DESIGNATOR

ELBOW FACING AWAY

ELBOW FACING TOWARD

PRESSURE REDUCING VALVE

BALL VALVE

DRAIN VALVE WITH HOSE

CONNECTION

PIPE CAP

FLANGE CAP

FLOW SWITCH

UNIDENTIFIED VALVE

CIRCUIT SETTER

AIR SEPARATOR

TEMPERATURE GAUGE

PRESSURE GAUGE

FLANGE

BACKFLOW PREVENTER

CHECK VALVE

UNION

90° ELBOW

45° ELBOW

STRAINER

FLOOR DRAIN

REDUCER

PIPE TEE SIDE OUTLET FACING

TOWARD

PIPE TEE SIDE OUTLET FACING

AWAY

ELBOW SIDE OUTLET

FACING FACING AWAY

PIPE TEE SIDE OUTLET FACING

TOWARD

PIPE TEE SIDE OUTLET FACING

AWAY

PIPE TEE STRAIGHT SIZE

PIPE TEE SINGLE SWEEP

ELBOW SIDE OUTLET

FACING FACING TOWARD

ABBREVIATIONS

CDCONDENSED WATER LINE

CHWR

CHWS

CHILLED WATER RETURN LINE

CHILLED WATER SUPPLY LINE

PIPE LINE ABBREVIATIONS

DUPLEX RECEPTACLE

FLOOR MOUNTED DUPLEX RECEPTACLE

VFD

FUSED DISCONNECT SWITCH

JUNCTION BOX

CONTROL PANEL

PANEL BOARD

TRANSFER SWITCH

CIRCUIT BREAKER

VARIABLE FREQUECNY DRIVE

CONTACT NORMALLY OPEN

CONTACT NORMALLY CLOSED

AC CIRCUIT BREAKER

ELECTRICAL SYMBOLS LEGEND

A AMPERES

AC ABOVE COUNTER

AFF ABOVE FINISHED FLOOR

AIC AMPS INTERRUPT CURRENT

ATS AUTOMATIC TRANSFER SWITCH

AUTO AUTOMATIC

AWG AMERICAN WIRE GAUGE

BLDG BUILDING

BT BUSS TIE

C CONDUIT

CFM CUBIC FEET PER MINUTE

CHEM CHEMICAL

CHWR CHILLED WATER RETURN

CHWS CHILLED WATER SUPPLY

CRAH COMPUTER ROOM AIR HANDLER

CRU COMPUTER ROOM UNIT

D DRAIN

DISA DEFENSE INFORMATION SYSTEMS AGENCY

DISC DISCONNECT

EBP ESSENTIAL BRANCH PANEL

ECB ENCLOSED CIRCUIT BREAKER

EPO EMERGENCY POWER OFF

ESWBD ESSENTIAL SWITCHBOARD

FT FEET

GFI GROUND FAULT INTERRUPTER

GND GROUND

GPH GALLONS PER HOUR

GPM GALLONS PER MINUTE

HP HORSE POWER

HVAC HEATING, VENTILATION, AIR CONDITIONING

HZ HERTZ

IMP IMPEDANCE

K ONE THOUSAND

KV KILO VOLT

KW KILOWATT

LOC LOCATION

MCM THOUSAND CIRCULAR MILS

MDP MAIN DISTRIBUTION PANEL

MLO MAIN LUGS ONLY

NC NORMALLY CLOSED

NO NORMALLY OPEN

P POLE

PCE POWER CONTROL ENCLOSURE

QTY QUANTITY

RM ROOM

RPM REVOLUTIONS PER MINUTE

SPD SURVE PROTECTIVE DEVICE

SW SWITCH

TYP TYPICAL

V VOLTS

VFD VARIABLE FREQUENCY DRIVE

VOG VOLCANIC OFF-GAS

W WIRE

Y WYE

1. DURING THE ENTIRE DURATION OF THIS CONTRACT, ALL ADJACENT OCCUPIED SPACES HAVE ONGOING (DAY-TO-DAY) MISSION ESSENTIAL WORK. THIS FACILITY WILL REMAIN FULLY FUNCTIONAL AND OCCUPIED AT ALL TIMES. THE CONTRACTOR SHALL EXERCISE CARE TO REDUCE NOISE AND ENSURE

SAFE INSTALLATION ACTIVITIES WHILE MINIMIZING DISTURBANCES. THE CONTRACTOR SHALL

COORDINATE THE WORK OF ALL ACTIVITIES WHEREBY BOTH THE GOVERNMENT AND THE CONTRACTOR CAN CONTINUE OPERATIONS WITH THE LEAST POSSIBLE INTERFERENCE AND INCONVENIENCE. THE CONTRACTOR SHALL CONDUCT ALL WORK SUCH THAT MEANS OF FACILITY INGRESS AND EGRESS, FIRE

RESPONSE ROUTES, ETC., ARE MAINTAINED AT ALL TIMES.

2. ALL INSTALLATION DEBRIS, TRASH, ETC. SHALL BE MAINTAINED IN CONTRACTOR PROVIDED DUMPSTER, IN ACCORDANCE WITH ALL LOCAL, STATE AND FEDERAL ENVIRONMENTAL LAWS AND REGULATIONS.

3. ALL AREAS SHALL BE CLEANED AT A MINIMUM DAILY AND AS REQUIRED TO MAINTAIN A PROFESSIONAL APPEARANCE AT ALL TIMES. ALL EXISTING BUILDING INTERIORS AFFECTED BY INSTALLATION SHALL BE MAINTAINED AND FULLY PROTECTED BY THE CONTRACTOR UNTIL COMPLETION OF WORK FOR THIS

PROJECT.

4. FACILITY ENTRY/EGRESS: THE CONTRACTOR'S ENTRY/EGRESS INTO THE EXISTING BUILDING SHALL BE AT AN ENTRY POINT TO BE DETERMINED BY THE GOVERNMENT'S REPRESENTATIVE. ALL BUILDING FIRE EXIT/EGRESS DOORS SHALL BE MAINTAINED/FUNCTIONAL AT ALL TIMES. INSTALLATION ACTIVITIES

SHALL NOT INTERFERE IN ANY WAY WITH BUILDING EXITS.

5. STORAGE OF MATERIALS: ALL CONTRACTOR STORAGE SHALL BE IN DESIGNATED EXTERIOR

CONTRACTOR PROVIDED SECURED STORAGE AREAS.

6. THE CONTRACTOR SHALL PROTECT IN PLACE ALL EXISTING FLOORS, EQUIPMENT AND/OR NEARBY

SPACES OR AREAS TO REMAIN. IF DAMAGED, CONTRACTOR MUST REPAIR OR REPLACE TO ITS

ORIGINAL CONDITION.

7. THE CONTRACTOR SHALL BE FULLY RESPONSIBLE FOR FURNISHING, AND INSTALLING SIGNS, PROTECTION BARRIERS, ETC., TO WARN OCCUPANTS OF HAZARDOUS AREAS AT THE JOB SITE AND

STORAGE AREAS FOR THE DURATION OF THE CONTRACT.

8. THE DRAWINGS INDICATE EXISTING CONDITIONS BASED ON INFORMATION OBTAINED FROM THE AVAILABLE DRAWINGS AND FIELD SURVEYS. EXISTING CONDITIONS NOT RELATED TO THE WORK OF THIS PROJECT MAY NOT BE SHOWN. EXISTING CONDITIONS PROVIDED ARE NOT GUARANTEED TO BE

COMPLETE OR CORRECT. PRIOR TO THE START OF THE DESIGN/INSTALLATION, THE

CONTRACTOR/DESIGNER SHALL FIELD VERIFY THE LOCATION, SIZES, CLEARANCES, BUILDING

ELEMENTS ETC. RELATED TO THE WORK. THE DRAWINGS PROVIDED ARE DIAGRAMMATIC AND SHALL BE

CONFIRMED BY THE CONTRACTOR/DESIGNER.

9. ALL PIPING SYSTEMS SHALL HAVE MARKERS THAT INDICATE FLOW DIRECTION AND SERVICE. ALL PIPING

IDENTIFICATION SHALL CONFORM TO MIL-STD 101 AND THE DISA LABELING STANDARD.

10. REQUIRED INSTRUMENTATION AND VALVES ARE NOT SHOWN ON THE DRAWINGS. DESIRED MANUAL VALVE LOCATIONS ARE SHOWN ON THE DRAWINGS. HIGH POINT VENT AND LOW POINT DRAIN VALVES ARE NOT SHOWN AND ARE REQUIRED. CONTRACTOR GENERATED PROJECT INSTALLATION DRAWINGS

SHALL SHOW LOCATIONS FOR ALL INSTRUMENTATION AND VALVES.

11. VALVES SHALL BE EASY TO ACCESS FOR MAINTENANCE OR OPERATION.

12. THE CONTRACTOR SHALL SUBMIT AN AUTHORIZED SERVICE INTERRUPTION (ASI) REGARDING ALL EQUIPMENT OR SYSTEM INTERRUPTIONS IN ADVANCE OF THE PROPOSED OUTAGE FOR APPROVAL.

REFER TO PROJECT PERFORMANCE WORK STATEMENT FOR REQUIREMENTS.

13. METHOD OF PROCEDURE: A MOP IS STEP BY STEP, IN DEPTH, DESCRIPTION OF A WORK ITEM THAT NEEDS TO BE COMPLETED. MOP'S ARE REQUIRED, AND HAVE TO BE APPROVED BY THE SITE AND DISA DENVER, FOR ALL ASI'S (AUTHORIZED SERVICE INTERRUPTIONS). MOP'S ARE ALSO REQUIRED FOR ANY INTERRUPTIONS OF SERVICE FOR ANY MECHANICAL OR ELECTRICAL EQUIPMENT. THE SITE HAS THE DISCRETION TO APPROVE/ REJECT MOP'S FOR ANY WORK REQUIRED. THE GOVERNMENT SHALL HAVE 30

DAYS TO REVIEW A MOP.

14. HAZCON: A HAZCON IS DEFINED AS AN OPERATIONALLY (NOT SAFETY) HAZARDOUS CONDITION IN WHICH CRITICAL LOADS ARE LIMITED TO ONE POWER SOURCE OR SUBJECTED TO A SINGLE POINT OF FAILURE.

ALL WORK IN THIS CATEGORY MUST BE COORDINATED VIA AUTHORIZED SERVICE INTERRUPTION (ASI)

45 DAYS IN ADVANCE WITH THE SITE PERSONNEL. AN ASI REQUEST DOES NOT GUARANTEE

ACCEPTANCE BY DISA OPERATIONS. THE 45 DAY REQUEST PERIOD SHOULD BE SUFFICIENT BUT APPROVAL IS BASED ON OPERATIONS ACCEPTANCE AND REAL WORLD CONDITIONS. THE POSSIBILITY ALWAYS EXISTS THAT AN APPROVED ASI CAN BE CANCELED AT THE LAST MINUTE DUE TO MISSION REQUIREMENTS. NORMALLY, HAZCONS SHALL ONLY BE ALLOWED TO OCCUR ON A WEEKEND OR AT

NIGHT.

GENERAL NOTES

BALL VALVE, FULL PORT

EYE

MECHANICAL

ROOM

EQUIPMENT ROOM

WOMEN'S

MEN'S

OFFICE

180A

OFFICE

180B

189A

VESTIBULE

189D

STAIRS

CDC

LOBBY

STAIRS

CONTRACTORS

OFFICE SPACE

180D

BREAKROOM

180E

ADMINISTRATION

OFFICE SPACE

180F

GENERAL PURPOSE ROOM A

152A

AUDITORIUM

152B

FOYER

ELEVATOR

ROOM

LAN ROOM

PC52

HITS/JHITS

100 102

94A

STORAGE

UPS & BATTERY ROOM

MECHANICAL

ENCLOSURE

89B

ELECTRICAL

ROOM

ELECTRICAL ROOM

EQUIPMENT YARD

ELECTRICAL ENCLOSURE

89A

CONFERENCE

ROOM

WOMEN'S

136 MEN'S

HELP DESK

120135 118

AIR CONDITIONING

CHILLER ROOM

ELEVATOR

STAIRS

ANTENNA

STORAGE

ROOM

STO.

ELECT'L.

JANITOR

HALLWAY

EQUIPMENT ROOM

BREAKROOM

WOMEN'S

MEN'S

LOADING DOCK

TELECOMMUNICATIONS

JANITOR

111A

MEN'S

WOMEN'S

VAULT

BREAKROOM

LANAI

CONFERENCE

ROOM

180C

HALLWAY

DATA CENTER HAWAII

JANITOR

CORRIDOR

180G

POP

93 CYBER

PROTECTION TEAM

FACILITY &

LOGISTICS OFFICE

STORAGE ROOM

LARGE STORAGE

SECURE ROOM PLAN

SCALE: N.T.S.

KEY NOTES:

1 LOCATION OF WORK

LOCATION OF POWER SOURCE

_A -F

A-100

U R

E R

O O

M P

1. SECURE SPACES AND WALLS: ANY AND ALL WORK

IMPACTING THE PERIMETER WALLS (AND/OR ROOF) OF

A SECURE SPACE, (INCLUDING BUT NOT LIMITED TO

PENETRATIONS) SHALL COMPLY WITH THE

REQUIREMENTS OF DISAI 240-110-33 OR ICD/ICS-705.

THE DESIGN AND INSTALLATION TEAM(S) SHALL HAVE

EXPERIENCE AND KNOWLEDGE OF ALL ASPECTS AND

REQUIREMENTS OF DISAI 240-110-33 OR ICD/ICS-705 IF

MODIFICATIONS TO SECURE WALLS ARE INCLUDED IN

THE DESIGN. SPECIFIC REQUIREMENT IS BASED ON THE

WALL ACCREDITATION.

2. ACCESS TO, AND WORK IN, NON-DISA DATA CENTER

OPERATED SPACES IS NOT REQUIRED FOR THIS

PROJECT.

3. SECOND FLOOR NOT SHOWN. ALL SECOND FLOOR

ROOMS ARE NON-DISA DATA CENTER AREAS.

GENERAL NOTES:

LEGEND:

SECURE ROOM

SECURE WALL

NON-DISA DATA CENTER

OPERATED SPACE

SHEET

IDENTIFICATION

B Y:

D R

B Y:

D B

C H

D B

T D

L D

N N

C O

N O

N U

K D

N D

K D

N D

1 2 3 4 5

Defense Information Systems Agency A Combat Support Agency

H C

C O

N C

N /A

/A AS

S H

O W

I -

R-

R O

O M

C R

2 S

. W

ILLO

. ST

E. 2

N W

O O

D V

G E, C O

ARCHITECTURAL DETAILS

SCALE :NTS

SCALE : NTS

A-500

SECURED AREA UNSECURED AREA

NOTES:

THIS DETAIL SHALL APPLY TO ALL SECURE WALL PENETRATIONS.1.

DIELECTRIC BREAK DETAIL

GENERAL NOTES:

1. REUSE EXISTING CONDUIT, CONDUCTORS, AND BREAKER IF SIZED CORRECTLY AND IN

ACCORDANCE WITH PWS REQUIREMENTS. REPLACE CONDUIT, CONDUCTORS AND/OR BREAKER

BASED ON ELECTRICAL TESTING/CALCULATION REQUIREMENTS.

2. WHERE NEW ELECTRICAL CABLE PENETRATES PERIMETER WALL,

UTILIZE EXISTING WALL PENETRATION PER THIS DRAWING AND

THE REQUIREMENTS OF ICD/ICS 705 OR DISAI 240-110-33, BASED ON WALL ACCREDITATION.

3. VERIFY SIZE OF EXISTING WALL PENETRATION AND NEW ELECTRICAL CONDUIT.

NEW SERVICE SHALL BE FED THROUGH THE EXISTING WALL PENETRATION

SLEEVE. CONFIRM THAT THE ASSEMBLY IS PROPERLY GROUNDED.

PROVIDE GROUNDING IF NONE EXISTS.

4. ENSURE EMT ENTERING SECURE ROOM IS CONNECTED TO THE EXISTING SRG.

SCH 80 PVC (MIN LENGTH 6")

SECURE AREA WALL

EMT CONDUITEMT CONDUIT

EMT TO PVC COUPLING

EXISTING PENETRATION PROVIDE STC 45 (MIN) RATED FIRE

CAULK. COORDINATE FINISH WITH

FACILITY SECURITY MANAGER.

SCALE : NTS

A-500

PENETRATION DETAIL

EXISTING PENETRATION

FILLED WITH FIRE-

RATED STC CAULK

PVC CONDUIT

SHEET

IDENTIFICATION

B Y:

D R

B Y:

D B

C H

D B

T D

L D

N N

C O

N O

N U

K D

N D

K D

N D

1 2 3 4 5

Defense Information Systems Agency A Combat Support Agency

H C

C O

N C

N /A

/A AS

S H

O W

I -

R-

R O

O M

C R

2 S

. W

ILLO

. ST

E. 2

N W

O O

D V

G E, C O

A-

A-500

PVC SLEEVE

CONDUCTORS

RAISED FLOOR

CORRIDOR

180G

COMPOSITE VINYL TILE

CRAH_1-A-06

CRAH_1-A-07

G32

G33

G34

G35

G31

RAISED FLOOR

CORRIDOR

180G

COMPOSITE VINYL TILE

NEW CRAH UNIT

C R

-A -0

CRAH_1-A-07

G31

G32

G33

G34

G35

G29

FUTURE

ROOM 191 FLOOR PLANS

SCALE: 1/2" = 1'-0" 0 1' 2' 4'

SHEET

IDENTIFICATION

B Y:

D R

B Y:

D B

C H

D B

T D

L D

N N

C O

N O

N U

K D

N D

K D

N D

1 2 3 4 5

Defense Information Systems Agency A Combat Support Agency

H C

C O

N C

N /A

/A AS

S H

O W

I -

R-

R O

O M

C R

2 S

. W

ILLO

. ST

E. 2

N W

O O

D V

G E, C O

_M D

A -F

M-100

R O

O M

O R

N S

SCALE: NONE

KEY PLAN 1st FLOOR

GENERAL NOTES:

1. REPLACEMENT LOCATION MAY MATCH EXISTING OR REPLACEMENT CRAH FOOTPRINT.

VALUE ENGINEERING IS ENCOURAGED, REPLACEMENT CRAHS SHALL BE DOWNDRAFT

10 TON UNITS WITH EC FANS, MINIMUM.

2. REPLACEMENT CRAHS SHALL INCLUDE NEW FLOOR STAND.

3. RAISED ACCESS FLOOR SHALL BE MODIFIED TO FIT AROUND EACH CRAH, AND PATCHED

TO MATCH EXISTING. ALL FLOOR PENETRATIONS SHALL BE SEALED.

ROOM 191 EXISTING FLOOR PLAN ROOM 191 REPLACEMENT FLOOR PLAN

CRAH_1-A-07

CRAH_1-A-06

C D

FP FP

FPFP

7/8" CHWR

7/8" CHWS

7/8" CHWR

7/8" CHWS

CORRIDOR

180G

DOWN TO

UNDERFLOOR

CORRIDOR

180G

CRAH_1-A-07

CRAH_1-A-06

1- 1/

8" C

H W

1- 1/

8" C

H W

ROOM 191 EXISTING PIPING PLANS

SCALE: 1/2" = 1'-0" 0 2' 4' 6' SHEET

IDENTIFICATION

B Y:

D R

B Y:

D B

C H

D B

T D

L D

N N

C O

N O

N U

K D

N D

K D

N D

1 2 3 4 5

Defense Information Systems Agency A Combat Support Agency

H C

C O

N C

N /A

/A AS

S H

O W

I -

R-

R O

O M

C R

2 S

. W

ILLO

. ST

E. 2

N W

O O

D V

G E, C O

_M D

M -H

M-101

R O

O M

G P

UNDERFLOOR NOTES:

1. EXISTING CRAH UNITS SHOWN, REROUTE OF PIPE TO NEW CRAH

CONFIGURATION SHALL BE APPROVED.

2. EXISTING CRAH UNITS HAVE 1-1/8" CHW CONNECTIONS. CHW PIPE

SHALL BE UPSIZED TO CONNECT TO NEW CRAH UNITS, IN ACCORDANCE

WITH MANUFACTURER'S RECOMMENDATIONS.

3. NEW PIPE AT EACH CRAH SHALL INCLUDE LOW POINT DRAIN BALL VALVE

WITH HOSE BIB CONNECTION AND CAP.

4. NEW SUPPLY/RETURN PIPE TO EACH CRAH SHALL INCLUDE FUTURE DUAL

CHW SUPPLY/RETURN CONNECTION WITH FULL PORT BALL VALVE AND

CAP/PLUG PRIOR TO NEW SUPPLY/RETURN ISOLATION FULL PORT BALL

VALVE. ANY OTHER CRAH MANUFACTURER RECOMMENDED COMPONENTS,

SUCH AS STRAINER, OR NEW BALANCE/CIRCUIT SETTER VALVE SHALL BE INSTALLED.

5. CONDENSATE DRAIN LINE SHALL BE REPLACED. REPLACEMENT DRAIN

SHALL BE INCREASED BY AT LEAST 1/2" AT THE CRAH, AND AN

ADDITIONAL 1/2" WHEN CRAH DRAIN LINES TIE TOGETHER.

SCALE: NONE

KEY PLAN 1st FLOOR

ABOVE FLOOR NOTES:

1. UPSIZE CHW PIPE TO OVERHEAD CONNECTION AS REQUIRED BASED ON NEW

CRAH CONNECTION SIZE. REPLACEMENT PIPE SHALL INCLUDE A NEW FULL

PORT BALL VALVE ISOLATION APPROXIMATELY 40 INCHES ABOVE FINISHED

FLOOR. IF EXISTING PIPE CAN PROVIDE ADEQUATE FLOW FOR NEW CRAHs, PIPE REPLACEMENT IS NOT REQUIRED.

ROOM 191 EXISTING PIPING PLAN - UNDERFLOOR ROOM 191 EXISTING PIPING PLAN - ABOVE FLOOR

GENERAL NOTES:

1. PIPE REPLACEMENT ONLY REQUIRED IF NEW CRAH UNITS REQUIRE UPSIZE

PIPE TO OPERATE AT 100% CAPACITY. REPLACEMENT PIPE TO BE REROUTED.

TAP AND ROUTE NEAR EXISTING CRAH_1-A-06 LOCATION. PHASE WORK TO

ENSURE ONE CRAH REMAINS OPERATIONAL AT ALL TIMES.

RAISED FLOOR

CORRIDOR

180G

COMPOSITE VINYL TILE

G32

G33

G34

G35

C R

-A -0

CRAH_1-A-07

NEW CRAH UNIT

G31

FUTURE

G29

ROOM 191 AISLE CONTAINMENT

SCALE: 1/2" = 1'-0" 0 1' 2' 4'

SHEET

IDENTIFICATION

B Y:

D R

B Y:

D B

C H

D B

T D

L D

N N

C O

N O

N U

K D

N D

K D

N D

1 2 3 4 5

Defense Information Systems Agency A Combat Support Agency

H C

C O

N C

N /A

/A AS

S H

O W

I -

R-

R O

O M

C R

2 S

. W

ILLO

. ST

E. 2

N W

O O

D V

G E, C O

_T -T

T-100

C O

M R

O O

C O

SCALE: NONE

KEY PLAN 1st FLOOR

AISLE CONTAINMENT LEGEND:

SINGLE SLIDING DOOR

NEW - UP TO 60" GAP PANEL

ADJUSTABLE MOUNTING SUPPORT POSTS

NARROW GAP PANEL - 2" TO 9"

KEY NOTES:

1. MAGNETIC ATTACHMENT AT MOUNTING POST, GRAVITY FIT AT WALL.

ATS_1-BL-01

RM. 189

250A

3-POLE

C R

-A -0

C -1

M . 1

100A 3P

1,3,5 2,4,6

100A 3P

7,9,11

C R

-A -0

C -3

8,10,12

13,15,17

C R

-A -0

C -4

14,16,18

C R

-A -0

C -5

20A 3P

19,21,23 20,22,24

25,27,29

PANEL EDP_1-A-18 (EH-1)

400A, 480Y/277V, 3ɸ, 4W, 22KAIC, ROOM 189

26,28,30

100A 3P

30A 3P

C R

-A -0

C -6

30A 3P

20A 3P

3P 400A

FROM ESWBD_1-AB-02

SECTION 97, 99, 101 FROM ESWBD_1-AB-03

SECTION 43, 45, 47

ELECTRICAL ONE-LINE DIAGRAM

SCALE: NONE

_M D

E -D

E-600

O N

E-

N E

G R

KEY NOTES:

REUSE EXISTING BREAKER, WIRING, AND CONDUIT FOR REPLACEMENT CRAH,

IF SIZED CORRECTLY AND CONDUCTORS PASS HIPOT TEST.

OTHERWISE REPLACE FOR NEW UNIT.

1 1

SHEET

IDENTIFICATION

B Y:

D R

B Y:

D B

C H

D B

T D

L D

N N

C O

N O

N U

K D

N D

K D

N D

1 2 3 4 5

Defense Information Systems Agency A Combat Support Agency

H C

C O

N C

N /A

/A AS

S H

O W

I -

R-

R O

O M

C R

2 S

. W

ILLO

. ST

E. 2

N W

O O

D V

G E, C O

G-001 TO G-002

Sheets and Views

HAW_MD G-CS001-G-001

HAW_MD G-CS001-G-002

A-100

Sheets and Views

HAW_A-FP100-A-100

A-500

Sheets and Views

A-500-A-500

M-100

Sheets and Views

HAW_MD A-FP101-M-100

M-101

Sheets and Views

HAW_MD M-HT101-M-101

T-100

Sheets and Views

HAW_T-T100-T-100

E-600

Sheets and Views

HAW_MD E-DG600-E-600

File details come from the government source that posted it. Updated Feb 18, 2026.