Attachment4-Plans.pdf
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- Solicitation number
- 1240BH26Q0011
About this file
This is a set of technical drawings for the Sled Springs Power System Replacement project located at the Wallowa-Whitman National Forest, Wallowa Mountains Ranger District, in Oregon. The drawings were prepared by the United States Department of Agriculture Forest Service, Pacific Northwest Region (R6), dated February 20, 2026, and approved by District Ranger Brian Anderson and Recreation and Engineering Staff Officer Katrina Young.
The drawing package comprises eight sheets documenting the existing off-grid electrical power system and proposed improvements. The existing system consists of a Winco PSS30F4-03/1 generator (28 kW, 120/240V single-phase, LP/NG fuel capable), a 15kW diesel-fired generator for well pump backup (US Department of Defense NATO standard MEP-804A model), a battery backup system with PowerSafe P100-25 batteries (float voltage 54.48Vdc, bulk voltage 55.68Vdc, equalize voltage 56.40Vdc), and a photovoltaic array with east, west, and south-facing solar panel installations. The system architecture includes a main distribution panel, SOL-ARK 15K-LV inverter panel, battery bank, utility shed housing electrical controls, and generator pad. The drawings detail site plans, system schematics, equipment specifications and nameplates, concrete pad construction details (10' x 5' pad with 6 inches of 3/4-inch aggregate base), and equipment locations relative to the water system generator and other site features. The project demonstrates compliance with Forest Plan and project-specific National Environmental Policy Act documentation.
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DRAWING TITLE
DRAWN
DESIGNER
CHECKED
ARCHIVE NO.
DATE
PROJECT NO.
DWG SHEET NO.
OFSHEET
United States Department of Agriculture Forest Service
2/2 0/2
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R6
PACIFIC NORTHWEST REGION
SLED SPRINGS POWER
SYSTEM REPLACEMENT
WALLOWA-WHITMAN
NATIONAL FOREST
WALLOWA MOUNTAINS
RANGER DISTRICT
TITLE SHEET
J. EVANS
J. EVANS
K. YOUNG
01DATE
DATE
APPROVED BY:
DISTRICT RANGER
RECREATION AND ENGINEERING STAFF OFFICER
APPROVED BY:
THESE DRAWINGS COMPLY WITH THE FOREST PLAN AND PROJECT
SPECIFIC NEPA DOCUMENTATION.
INDEX OF SHEETS
SHEET NO. SHEET TITLE
G-01 TITLE SHEET
G-02 VICINITY MAP
G-03 EXISTING OFF GRID ELECTRICAL SYSTEM
G-04 EXISTING OFF GRID ELECTRICAL GENERATOR
G-05 EXISTING WELL PUMP GENERATOR
G-06 EXISTING BATTERY BACKUP SYSTEM
G-07 EXISTING PHOTOVOLTAIC SYSTEM
KATRINA
YOUNG
Digitally signed by KATRINA
YOUNG
Date: 2026.02.25 10:20:31 -08'00'
BRIAN
ANDERSON
Digitally signed by BRIAN
ANDERSON
Date: 2026.02.26 06:59:49 -08'00'
DESIGNER
CHECKED
ARCHIVE NO.
DATE
PROJECT NO.
DWG SHEET NO.
OFSHEET
United States Department of Agriculture Forest Service
2/2 0/2
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PACIFIC NORTHWEST REGION
SLED SPRINGS POWER
SYSTEM REPLACEMENT
WALLOWA-WHITMAN
NATIONAL FOREST
WALLOWA MOUNTAINS
RANGER DISTRICT
VICINITY MAP
2/20/2026
J. EVANS
J. EVANS
K. YOUNG
G-02
TO OR HWY 3
ENTERPRISE OR
21 MILES
ELECTRICAL UTILITY BUILDING
INCLUDING
BATTERY BANK
INVERTER
CHARGE CONTROLLER
MAIN DISTRIBUTION PANEL
SITE ELECTRICAL
GENERATOR AND PAD
SOUTH
ARRAY
WEST
ARRAY
EAST
ARRAY
WATER SYSTEM
GENERATOR
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G-03
Site Plan 0' - 0"
Eve 8' - 0"
R06
PACIFIC NORTHWEST REGION
WALLOWA-WHITMAN
NATIONAL FOREST
DRAWN
DESIGNER
PROJECT NAME
CHECKED
DATE
PROJECT NO.
United States Department of Agriculture Forest Service
WALLOWA MOUNTAINS OFFICE
DRAWING TITLE
ARCHIVE NO.
DWGSHEET NO.
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SLED SPRINGS WORK
CENTER POWER
REPLACEMENT
02/20/2026
J. EVANS
J. EVANS
K. YOUNG
26-01
EXISTIN OFF GRID
ELECTRICAL SYSTEM
G-03
1/4" = 1'-0"1 Site Plan
3/8" = 1'-0"2 Existing System
MAIN DISTRIBUTION
PANEL
SOL-ARK
15K-LV PANEL
BATTERY
BANK
03 08
GENERATOR PAD
UTILITY SHED
TO OVERHEAD FEEDS
TO PV ARRAY
TO GENERATOR
NOTE: ACTUAL CONDUIT LAYOUT AND WIRING MAY VARY.
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7NC SINCE 1927
507-357-6821 - LE CENTER MN 5605
MODEL:PSS30F4-03/1
7 U.S.A. - www.wincogen.com
VOLTS: 120/240 PHASE: 1
P/N:50307157-031 REV: A
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FUEL LP
AMPS 116
K.W. 28
K.V.A.
BTU'S/HR
327,600
NG
321,576
C US
ALL RATINGS A RE STANDBY. DERATE FOR PRIME AND CONTINUOUS OPERATION
SERIAL NO: 234893 F24
CONFORMS TO
UL2200
CSA c22.2 No 100-04
1 111111 �!1��11111 � 1111111, ,;1mwn111111,11,n1nni,I M 1TH RAINPROOF ENCLOSUREX LOAD UNBALANCED - 50%
FUELINLET
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MIN - 7" W.C. 4 oz PSI MAX - 11" W.C. 6 oz PSI
MAX UELFLOW
407,741 BTU/HR G
431, 41 BTU/ R P
15210-012
United States Department of Agriculture
Forest Service
R6
PACIFIC NORTHWEST REGION
PROJECT NAME
SLED SPRINGS POWER
SYSTEM REPLACEMENT
WALLOWA-WHITMAN
NATIONAL FOREST
WALLOWA MOUNTAINS
RANGER DISTRICT
DRAWING TITLE
EXISTING OFF GRID
ELECTRICAL
GENERATOR
DATE
2/20/2026
ARCHIVE NO.
DESIGNER DWG SHEET NO.
J. EVANS
DRAWN G-04
J. EVANS
CHECKED
K. YOUNG
SHEET 04 OF 08
PROJECT NO.
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DESIGNER
CHECKED
ARCHIVE NO.
DATE
PROJECT NO.
DWG SHEET NO.
OFSHEET
United States Department of Agriculture Forest Service
2/2 0/2
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PACIFIC NORTHWEST REGION
SLED SPRINGS POWER
SYSTEM REPLACEMENT
WALLOWA-WHITMAN
NATIONAL FOREST
WALLOWA MOUNTAINS
RANGER DISTRICT
EXISTING WELL PUMP
GENERATOR
2/20/2026
J. EVANS
J. EVANS
K. YOUNG
G-05
0605 8
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DESIGNER
CHECKED
ARCHIVE NO.
DATE
PROJECT NO.
DWG SHEET NO.
OFSHEET
United States Department of Agriculture Forest Service
2/2 0/2
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G;
R6
PACIFIC NORTHWEST REGION
SLED SPRINGS POWER
SYSTEM REPLACEMENT
WALLOWA-WHITMAN
NATIONAL FOREST
WALLOWA MOUNTAINS
RANGER DISTRICT
EXISTING BATTERY
BACKUP SYSTEM
2/20/2026
J. EVANS
J. EVANS
K. YOUNG
G-06
0606 8
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DESIGNER
CHECKED
ARCHIVE NO.
DATE
PROJECT NO.
DWG SHEET NO.
OFSHEET
United States Department of Agriculture Forest Service
2/2 0/2
6 1 6:
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DW
G;
R6
PACIFIC NORTHWEST REGION
SLED SPRINGS POWER
SYSTEM REPLACEMENT
WALLOWA-WHITMAN
NATIONAL FOREST
WALLOWA MOUNTAINS
RANGER DISTRICT
EXISTING
PHOTOVOLTAIC
SYSTEM
2/20/2026
J. EVANS
J. EVANS
K. YOUNG
G-07
0607 8
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EAST AND WEST ARRAYS
SOUTH ARRAY
G-08 5'
0"
10' - 0"
Site Plan 0' - 0"0'
6"
R06
PACIFIC NORTHWEST REGION
WALLOWA-WHITMAN
NATIONAL FOREST
DRAWN
DESIGNER
PROJECT NAME
CHECKED
DATE
PROJECT NO.
United States Department of Agriculture Forest Service
WALLOWA MOUNTAINS OFFICE
DRAWING TITLE
ARCHIVE NO.
DWGSHEET NO.
SHEET OF
C :\U se rs
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S p rin gs Po w e r
Sy st em R ep la ce m en t\P r e co ns tru ct io n\ D ra w in gs
\P la ns .rv t
SLED SPRINGS WORK
CENTER POWER
REPLACEMENT
03/19/26
J EVANS
J EVANS
K YOUNG
26-01
WELL GENERATOR
CONCRETE PAD
G-08
1/2" = 1'-0"1 CONCRETE PAD PLAN VIEW
1/2" = 1'-0"2 CONCRETE PAD SECTION
INSTALL 6" OF 3/4" NEAT
AGGREGATE BELOW CONCRETE
PAD FORMS AND COMPACT
8 08
| Sheets and Views |
| G-01 TITLE SHEET |
| G-02 VICINITY MAP |
| G-03 EXISTING OFF GRID ELECTRICAL SYSTEM |
| G-04 EXISTING OFF GRID ELECTRICAL GENERATOR |
| G-05 EXISTING WELL PUMP GENERATOR |
| G-06 EXISTING BATTERY BACKUP SYSTEM |
| G-07 EXISTING PHOTOVOLTAIC SYSTEM |
| G03 G08.pdf |
| Sheets |
| G-03 - EXISTIN OFF GRID ELECTRICAL SYSTEM |
| G-08 - WELL GENERATOR CONCRETE PAD |
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