Exhibit R - E03-THRU-E05_3-7-109 r7-E-2.pdf

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2026 15KV Feeder 37 and 46B Upgrades
Solicitation number
381270GMK
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About this file

This is an electrical plan drawing for the 2026 Feeder 37 & 46B Upgrade project at Fermi National Accelerator Laboratory, a United States Department of Energy facility. Drawing number 3-7-109, revision E-2, dated January 5, 2026, depicts the PS-5 electrical infrastructure upgrades required for the Service Building.

The project scope includes furnishing and installing a DSTR-PS5 FFDG-provided 15KV, S&C, PMH-10 air switch over existing conduits and a new feed to existing 10 four-inch conduits serving the Service Building. Additional work includes furnishing and installing 4#3/0+#6 ground, 200-amp, 480/277-volt service wire in existing conduit (approximately 75 feet); new 15KV, #4/0 aluminum, 133% EPR concentric neutral jacketed cable between the switch and transformer; and FFDG-supplied 15KV, #750 aluminum, 100% EPR concentric neutral jacketed cable in the existing ductbank per drawing E-4. The work also requires installing a new FFDG-provided 500 KVA, 13.8 KV–480V oil-filled, pad-mount transformer with a new 100-amp secondary circuit breaker (Y-PL-11) and capping and covering exposed conduits. The existing 100-amp 208/120-volt panelboard in the Service Building will remain in place, with secondary conduit and 13.8KV feed connections routed from the transformer to the DSTR-PS5.

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Text version

EXISTING

100A 208/120V

PANELBOARD

COMPARTMENT-1 COMPARTMENT-2

COMPARTMENT-3COMPARTMENT-4

COMPARTMENT-1 COMPARTMENT-2

COMPARTMENT-3COMPARTMENT-4

INSTALL DSTR-PS5 FFDG PROVIDED 15KV,

S&C, PMH-10 AIR SWITCH OVER EXISTING

CONDUITS AND NEW FEED

EXISTING

10 - 4" CONDUITS TO

SERVICE BUILDING

REVISIONS

REV. DATE DESCRIPTIONS

DRAWN

APPROVED

SUBMITTED

CHECKED

DESIGNED

NAME DATE

SCALE:

UNITED STATES DEPARTMENT OF ENERGY

FERMI NATIONAL ACCELERATOR LABORATORY

DRAWING NO. REV.

2026 FEEDER 37 & 46B UPGRADE

3-7-109 E-2

PS-5 ELECTRICAL PLAN

J

A N

S

E

NORTH

PROJECT

W

PLAN

1" = 5'

7/22/26 Prebid Meeting Correction

FURNISH AND INSTALL

4#3/0+#6 GND, 200A, 480/277V

SERVICE WIRE IN EXISTING

CONDUIT, APPROX. 75'..

EXISTING

PS-5

SERVICE BUILDING

FURNISH AND INSTALL NEW 15KV, #4/0

AL, 133% EPR CONCENTRIC NEUTRAL,

JACKETED CABLE BETWEEN SWITCH

AND TRANSFORMER.

INSTALL NEW, FFDG SUPPLIED, 15KV, #750 AL, 100%

EPR CONCENTRIC NEUTRAL, JACKETED CABLE IN

EXISTING DUCTBANK SEE DWG E-4 FOR DETAILS

EXISTING

EQUIPMENT PAD

CAP AND COVER

EXPOSED CONDUITS

CAP AND COVER

EXPOSED CONDUITS

FURNISH AND INSTALL NEW 100A SECONDARY

CIRCUIT BREAKER IN TRANSFORMER (Y-PL-11)

200A

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AutoCAD SHX Text

AutoCAD SHX Text INSTALL NEW FFDG PROVIDED 500 KVA, 13.8 KV-480V, OIL FILLED, PAD MOUNT TRANSFORMER OVER EXISTING SECODARY CONDUIT AND NEW 13.8KV FEED FROM DSTR-PS5.

Sheets and Views
E-2

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