Vault 4 5 CRAC Units Electrical Dwgs date 6-26-2026.pdf

VAULT 2

VAULT 3VAULT 8

VAULT 6

VAULT 5

VAULT 4

VAULT 10

V9-E V9-D

V9-B

V9-C

V9-A

VAULT 7

VAULT 1

AREA OF WORK

DRAWING NO. :

SRBR NO. :

DATE :

REVISION :

SHEET TITLE :

PR

O

JE

C

T

C L

IE

N

T

E N

G

IN

E E

R

U S

T R

E A

S U

R Y

V A

U L

T S

A

C U

N

IT

U

S T

R E

A S

U R

Y P

E N

N S

Y L

V A

N

IA

A V

E W

A S

H

IN

G T

O N

D

C

SRBR No: 25111-45

PRICING SET 6/26/2026

“Professional Certification. I hereby certify that these documents were prepared or approved by me, and that I am a duly licensed professional engineer under the laws of the state of , License No. , Expiration Date: .”

PE905594

8-31-2026

Washington DC

P h o n e:

.8

.7

F a x:

.8

-7

F re d er ic k

R o d u it e

C a to n sv il le

M a ry la n d

M E

P C o n su lt in g

E n g in ee rs s in ce

S R

B R

W eb w w w

.S R

B R en g in ee rs .c o m

R E

P L

A C

E M

E N

T

25111-45

6-26-2026

E001

ELECTRICAL

COVER

SHEET

ELECTRICAL SYMBOL LIST

JUNCTION OR PULL BOX - CEILING, WALL MOUNTED. SIZE PER N.E.C. UNLESS NOTED

OTHERWISE.

SYMBOL DESCRIPTION

ABBREVIATIONS

MAIN CIRCUIT BREAKER

FUSED SAFETY SWITCH

ABOVE FINISHED FLOOR (TO CENTERLINE UNO)

ENCLOSED CIRCUIT BREAKER

COMBINATION FUSED STARTER SWITCH

MCB

FSS

CFSS

C, CDT

ECB

AFF

C/B

EQUIPMENT GROUND

CIRCUIT BREAKER

CONDUIT

NON-FUSED SAFETY SWITCH

UNLESS NOTED OTHERWISE

VOLTAGE (RATING AS INDICATED)

UNO

V

NFSS

MAIN LUGS ONLYMLO

PC/COMMUNICATION OUTLETPC

ELECTRICAL PANEL: 120/208 VOLT - SURFACE, RECESSED MOUNTED

WIRING CONCEALED ABOVE CEILING OR IN WALL (INSULATED CONDUCTOR

WIRING BELOW GRADE OR BELOW FINISHED SLAB (INSULATED CONDUCTOR

PLAN NOTE - REFER TO NOTES ON DRAWING.1

CONTROL EQUIPMENT

CONFIGURATION AS REQUIRED AND GROUND PER CODE) (5).

ELECTRICAL PANEL: 277/480 VOLT - SURFACE, RECESSED MOUNTED,

EQUIPMENT CONNECTION NOTE - SEE SCHEDULE.

G, GND

(1)

EQUIPMENT CONNECTION - PROVIDE LOCAL DISCONNECT AT UNIT W/FUSE

PROTECTED WHERE REQUIRED (SEE EQUIPMENT PLANS AND SCHEDULES TO

INCLUDE DOCUMENTS FOR EQUIPMENT PROVIDED UNDER OTHER DIVISIONS FOR

CONNECTION REQUIREMENTS)

CIRCUIT CONNECTION LEGEND

2,3 INDICATES CIRCUITS TO BE CONNECTED

(ADJACENT TO DEVICE)

[P3] INDICATES CIRCUIT SOURCE PANEL

(TYPICAL FOR ROOM/SPACE)

PROVIDE GFCI OUTLET FOR EACH LOCATION INDICATED AND WHERE REQUIRED BY CODE.

USE OF FEED THRU NEUTRAL/PROTECTION IS NOT ACCEPTABLE.

CONFIGURATION AS REQUIRED AND GROUND PER CODE) (5).

SYMBOL NOTES

NEC NATIONAL ELECTRICAL CODE

(LATEST EDITION UNO)

AMP,AMPERE (RATING AS INDICATED)A

POLEP

J J

FSS WITHIN SITE OF EQUIPMENT (FUSE SIZE AS REQUIRED BY SUPPLIER)

GFCI DUPLEX RECEPTACLE, NEMA 5-20R (1)

EXISTING TO REMAIN(E)

NO SCALE

KEYPLAN

A. DEMOLITION COORDINATION:

1. NOTIFY THE (PM) OF ANY WORK THAT MAY DISRUPT OTHER AREAS OUTSIDE

OF THE WORK AREA.

GENERAL REQUIREMENTS

SPECIAL CONDITIONS

REFER TO THE SPECIFICATIONS FOR ADDITIONAL REQUIREMENTS OF THIS

PROJECT.

US DEPARTMENT OF TREASURY - PROJECT MANAGER (PM) TO REVIEW AND

APPROVE THE WORK. SUPPLEMENTAL DOCUMENTS OR INSTRUCTIONS BY THE (PM)

TO BE PART OF THE SCOPE OF WORK.

1.

2.

B. WIRING REQUIREMENTS:

1. WIRING METHOD SHALL BE AS REQUIRED PER CODE FOR BUILDING

CONSTRUCTION TYPE AND EACH SPACE FUNCTION.

2. PROVIDE QUANTITY OF CONDUCTORS REQUIRED TO INCLUDE EQUIPMENT

GROUNDING PER CODE. WIRING SHOWN ON PLAN FOR POWER AND SWITCH

CONTROL CLARITY ONLY.

3. PROVIDE DEDICATED NEUTRAL CONDUCTOR FOR ALL RECEPTACLE AND

LIGHTING CIRCUITS. NEUTRALS CAN BE SHARED FOR 20 AMP CIRCUITS ONLY IF

OVERSIZED.

4. CONDUCTOR AWG SIZE SHALL BE AS REQUIRED BY CODE AND ADJUSTED FOR

VOLTAGE DROP.

DESIGNATION

EXISTING EQUIPMENT TO BE REMOVED

EXISTING EQUIPMENT RELOCATED

EXISTING EQUIPMENT TO REMAIN

DEMOLITION LEGEND

DESCRIPTION

NEW EQUIPMENT

(R) (E)

(X)

(N)

EXISTING EQUIPMENT TO BE REMOVED(X/R)

AND RELOCATED

VAULT ELECTRIC ROOM

(SEE E102)

(SCIF)

VAULT 2

VAULT 3VAULT 8

VAULT 6

VAULT 5

VAULT 4

VAULT 10

V9-E

V9-D

V9-B

V9-C

V9-A

VAULT 7

VAULT 1

(SCIF)

3/60

FSS

D1

CRAC

4A

CRAC

5A

(N)

EMENC-0

7,9,11

(N)

D1

3/100

FSS

(N)

EMENC-0A

2,4,6

(N)

CRAC

5B

D1

EMENC-0A

1,3,5

(N)

3/100

FSS

(N)

GENERAL NOTES

1. COORDINATE DEMOLITION AND REPLACEMENT OF CRAC UNIT

SEQUENCING WITH MECHANICAL WORK TO MAINTAIN COOLING AT

ALL TIMES.

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

VAULT 9 PLAN - ELECTRICAL

0 2' 4' 8' 16'

DISCONNECT EXISTING CRAC UNIT AND ADJUST EXISTING

DISCONNECT TO COORDINATE WITH NEW UNIT LOCATION OF

REPLACEMENT AND WORK-IN CLEARANCE REQUIREMENTS OF

THE UNIT AND DISCONNECT.

PLAN NOTES (DEMOLITION)

D1

E101

VAULT 9 PLAN

ELECTRICAL

DRAWING NO. :

SRBR NO. :

DATE :

REVISION :

SHEET TITLE :

PR

O

JE

C

T

C L

IE

N

T

E N

G

IN

E E

R

U S

T R

E A

S U

R Y

V A

U L

T S

A

C U

T

R E

A S

U R

Y P

E N

N S

Y L

V A

N

IA

A V

E W

A S

H

IN

G T

O N

D

C

SRBR No: 25111-45

PRICING SET 6/26/2026

“Professional Certification. I hereby certify that these documents were prepared or approved by me, and that I am a duly licensed professional engineer under the laws of the state of , License No. , Expiration Date: .”

PE905594

8-31-2026

Washington DC

P h o n e:

.8

.7 x:

.8

-7

F re d er ic k

R o it e

C a to n sv il le

M a ry la n d

M E

P C o n su lt in g

E n g in ee rs s in ce

S R

B R

W eb w w w

.S R

B R en g in ee rs .c

P L

A C

E M

E N

T

25111-45

6-26-2026

PROVIDE NEW POWER CIRCUITS & CONNECT NEW CRAC UNITS.

PROVIDE NEW FUSE SIZED PER EQUIPMENT NAME PLATE.

PLAN NOTES (NEW WORK)

VAULT 2

VAULT 10

V9-D

V9-B

V9-C

V9-A

VAULT 1

T

T

TRANSFORMER RACK (E)

DISCONNECT 'CP-V9' (E)

DISCONNECT 'PP-V9' (E)

DISCONNECT 'CP-V1' (E)

DISCONNECT 'PP-V1' (E)

PANEL 'LPNC-0' (E)

PANEL 'EMENC - 0A' (E)

PANEL 'MENC-0' (E)

PANEL 'EMENC-0' (E)

PANEL 'ELPNC-0' (E)

ECB 'MENC-3'

ECB 'MENC-1'

(E) DISTRIBUTION PANEL 'EMD-PNCO'

(E) SWITCHBOARD 'BNC-0'

(E) SWITCHBOARD 'EMBNC-0'

VAULT ELECTRIC ROOM

E102

VAULT

ELECTRIC

ROOM

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

0 1' 2' 4' 8'

2. SITE VISIT:

SECTION 16B - DEMOLITION WORK

1. SCOPE:

A. Material and equipment made superfluous by reason of the new work shall become the property of the contractor and shall be removed from the site unless the equipment is specifically indicated to be retained by the Owner, in which case the contractor shall disconnect & remove the equipment and return to the Owner.

B. The contractor shall furnish all labor, material and equipment necessary to complete the demolition work.

C. The work shall include removal and relocation of existing equipment as shown on the drawings.

A. Prior to preparing the bid, the contractors shall visit the site and familiarize themselves with all existing conditions. Make all necessary investigations as to locations of utilities and all other matters which can affect the work. No additional compensation will be made to the contractor as a result of failure to get familiar with the existing conditions under which the work must be performed.

8. DISTRIBUTION EQUIPMENT:

7. GROUNDING:

6. DRAWINGS AND SPECIFICATIONS:

4. SHOP DRAWINGS:

5. GUARANTEE:

3. REGULATIONS AND CODE REQUIREMENTS:

2. SCOPE:

SECTION 16A - ELECTRICAL WORK

1. GENERAL:

9. EQUIPMENT CONNECTIONS AND MOTOR STARTERS:

A. The GENERAL and SPECIAL CONDITIONS listed under Division 1 shall govern this work where applicable.

B. The contractor shall furnish all labor, materials, equipment and services necessary for the construction of the complete functioning electrical system.

C. All labor and materials, although not specifically mentioned, but necessary for the completion of the work and the successful operation of the electrical systems, shall be as if specifically indicated.

D. Materials and equipment installed as part of the permanent installation shall be new unless otherwise indicated or specified, and shall be approved by the Underwriter's Laboratories, inc., for installation in each particular case where standard's have been established.

E. The project includes work with_in a secure space. All wiring to be surface mounted at SCIF perimeter, above raised floors or below drop ceiling. Exposed locations shall be pre-approved the architect prior to rough-in. Exposed wiring at finished areas shall be installed in conduit or surface metal raceway per architects approval. Exposed surfaces shall be primed and finish painted as directed.

A. The Contractor shall provide all labor and materials required to install a completed system of electrical work as indicated on the drawings and/or herein specified. Work includes but is not limited to the following:

1. Power feeders and safety switches.

2. Final connections of mechanical equipment, electrical motors.

A. All work shall conform to the requirements of the latest editions of the following codes, regulations and specifications.

1. National Electrical Code (NFPA 70)

2. National Fire Protection Association (NFPA)

3. Underwriters Laboratories, Inc.

4. Building Code

5. Local and state requirements

A. The Contractor shall submit shop drawings (electronically) and manufacturer's catalog cuts showing all details of all equipment to be furnished.

A. In addition to the guarantee obligations herein before specified in other divisions, the Contractor shall guarantee the system installation free from all mechanical and electrical defects for the period of one year from date of final acceptance by the Owner.

A. The drawings are intended to show the general arrangement of the outlets and equipment. Door swings shall checked for arrangement of switches which shall be, installed on the latch side. Contractor shall check structural plans, mechanical plans and specifications so that he may coordinate his work with these trades.

A. Grounding of all conduit, panelboards, boxes, cabinets and equipment shall conform to the requirements of the latest edition of the National Electric Code.

B. All branch circuits shall include a bonded raceway and conductor.

Equipment ground per NFPA 70, article 250 in addition to tick marks indicated on wiring.

A. Not Applicable.

A. All power wiring shall be installed and connected under this section, unless already provided by on the equipment.

ELECTRICAL SPECIFICATIONS

13. PULL-BOXES AND JUNCTION BOXES:

15. LIGHTING FIXTURES:

14. WIRING DEVICES:

11. WIRING METHODS:

12. OUTLET BOXES:

10. CONDUCTORS:

A. All secondary conductors shall be copper, 98% conductivity covered with 600 volt standard type THW or THHN Insulation. AWG size shall be per NFPA 70 or larger where indicated on the plans.

B. All wiring shall be in strict accordance with the latest edition of the National Electrical Code.

C. All wire number 8 and larger shall be stranded.

D. A color coding system shall be used throughout the building network of feeders and circuits and used as a basis of balancing the load within 10%.

E. Neutral conductors for isolated ground circuits shall be dedicated or sized 1.73 times larger for shared neutral circuits.

F. Upon completion of branch circuit wiring, the Contractor shall check and adjust circuit breaker arrangements to assure system load balance is within +10% or -10% across all three phases.

A. Branch circuit and feeders rated shall be conductors ran in conduit.

B. Conduit and wire sizes shall be per NFPA 70 or larger as indicated on the plans.

C. Type MC Cable is acceptable for branch circuits, in concealed areas or utility rooms

A. Outlet boxes in concealed locations shall be galvanized stamped steel of sizes required by the NEC.

B. Boxes in exposed locations shall be cast, with gasketed cover.

C. Provide covers for all boxes.

A. Pull-boxes shall be provided as shown or wherever required to facilitate pulling of wires and cables, or as junction points. All such boxes shall be installed in accessible locations.

A. 20 AMP rated receptacles shall be used for all dedicated 20 AMP circuit connections per NFPA 70 requirements.

A. Not Applicable.

4. CUTTING AND PATCHING:

3. OUTAGES:

A. All electrical/telephone service work which will interfere with the normal use of occupied areas in any manner, shall be done at such times as shall be mutually agreed upon by the Contractor and the Owner.

B. Unless otherwise specified, outages any services, required for the performance of this contract and affecting areas other than the immediate work area shall be scheduled at least tHIRTY (30) days in advance. All such outages shall be performed on other than normal duty hours.

C. Outages during business hours must be approved by the treasury prior to commencement of the work.

A. Cutting and patching are not anticipated for this scope of work.

B. All pull boxes with-In SCIF must be able to be secured/locked or visible seal attached to detect the box has been opened.

DRAWING NO. :

SRBR NO. :

DATE :

REVISION :

SHEET TITLE :

PR

O

JE

C

T

C L

IE

N

T

E N

G

IN

E E

R

U S

T R

E A

S U

R Y

V A

U L

T S

A

C U

T

R E

A S

U R

Y P

E N

N S

Y L

V A

N

IA

A V

E W

A S

H

IN

G T

O N

D

C

SRBR No: 25111-45

PRICING SET 6/26/2026

“Professional Certification. I hereby certify that these documents were prepared or approved by me, and that I am a duly licensed professional engineer under the laws of the state of , License No. , Expiration Date: .”

PE905594

8-31-2026

Washington DC

P h o n e:

.8

.7 x:

.8

-7

F re d er ic k

R o it e

C a to n sv il le

M a ry la n d

M E

P C o n su lt in g

E n g in ee rs s in ce

S R

B R

W eb w w w

.S R

B R en g in ee rs .c

P L

A C

E M

E N

T

25111-45

6-26-2026

DRAWING NO. :

SRBR NO. :

DATE :

REVISION :

SHEET TITLE :

PR

O

JE

C

T

C L

IE

N

T

E N

G

IN

E E

R

U S

T R

E A

S U

R Y

V A

U L

T S

A

C U

T

R E

A S

U R

Y P

E N

N S

Y L

V A

N

IA

A V

E W

A S

H

IN

G T

O N

D

C

SRBR No: 25111-45

PRICING SET 6/26/2026

“Professional Certification. I hereby certify that these documents were prepared or approved by me, and that I am a duly licensed professional engineer under the laws of the state of , License No. , Expiration Date: .”

PE905594

8-31-2026

Washington DC

P h o n e:

.8

.7 x:

.8

-7

F re d er ic k

R o it e

C a to n sv il le

M a ry la n d

M E

P C o n su lt in g

E n g in ee rs s in ce

S R

B R

W eb w w w

.S R

B R en g in ee rs .c

P L

A C

E M

E N

T

25111-45

6-26-2026

E201

ELECTRICAL

SCHEDULES

AND

SPECS

POWER DISTRIBUTION DIAGRAM

NO SCALE

SWITCHBOARD 'SWBNC-0' (E)

277/480V - 3PH, 4W

MAIN SWITCHBOARD

(EMERGENCY POWER)

(E)

PANEL

'MENC-0'

(E)

3/600

MCB

(E)

3/600 (E)

3/800

MCB

(E)

SWITCHBOARD 'EMBNC-0' (E)

277/480V - 3PH, 4W

MAIN SWITCHBOARD

(NORMAL POWER)

(E)

PANEL

'EMENC-0A'

(E)

3/225

MCB

(E)

3/225 (E)

3/800

MCB

(E)

CRAC

9-1A

(N)

VAULT 4

VAULT 5

CRAC

5B

(N)

CRAC

5A

(N)

PANEL

'EMENC-0'

(E)

3/200

MCB

(E)

3/200 (E)

3/80 (N)