1240LU26Q0026 Attachment 4_Drawings_HarlowAC.pdf

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Attached to
Harlowton Ranger Station Air Conditioning installation
Solicitation number
1240LU26Q0026
Issued by

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HARLOWTON AIR CONDITIONING PROJECT SUMMARY

This is a technical design and specification document for an air conditioning installation project at two U.S. Forest Service residences in Harlowton, Montana. The project involves installing integrated cooling systems to two existing furnace units while maintaining current heating operations at the Assistant Ranger Residence (North) at 1310 NW View Street and the Ranger Residence (South) at 305 M Avenue NW. The work encompasses HVAC commissioning for both heating and cooling, condensers, and electrical installations. Three pay items are specified: HVAC Commissioning (AC and Heat) for 2 systems, Condensers—Air Conditioning System for 2 systems, and Electrical work for 2 systems, all measured in system units.

All materials must comply with the Buy American Act (BAA) or Build America, Buy America (BABA) requirements. The air conditioning systems must achieve a minimum Seasonal Energy Efficiency Rating (SEER) of 16. The furnace specifications detail existing units: the North residence uses an International Comfort Products model with 75,000 BTU/HR output, and the South residence uses a Goodman Manufacturing model with 76,880 BTU/HR output. Installation notes require new programmable thermostats, cooling coil installation in existing furnace supply ducts, condensate removal to approved disposal locations, and exterior equipment placement on concrete pads or approved materials extending at least 18 inches above adjacent ground. The project drawings include basement plan views, furnace dimensional details, and photographs of current equipment and electrical panelboards for both residences, dated January 21, 2026.

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FOREST LOCATION MAP

PROJECT LOCATION MAP

ADDRESSES:

SHEET OF

United States Department of Agriculture

Forest Service

HARLOWTON AIR CONDITIONING

ASSISTANT RANGER RESIDENCE (NORTH)

1310 NW VIEW ST

HARLOWTON, MT 59036

RANGER RESIDENCE (SOUTH)

305 M AVE NW

HARLOWTON, MT 59036

RECOMMENDED BY:

APPROVED:

ASSISTANT FOREST ENGINEER DATE

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MONTANA

WHEATLAND COUNTY

(R01) NORTHERN REGION

HELENA-LEWIS AND CLARK NATIONAL FOREST

JUDITH-MUSSELSHELL RANGER DISTRICT

INDEX OF SHEETS

SHEE

T

SHEET TITLE DATE

01 COVERSHEET 1/21/2026

2 ESTIMATED QUANTITIES 1/21/2026

3 SITE MAP 1/21/2026

ASSISTANT RANGER RESIDENCE (NORTH)

1/21/2026

RANGER RESIDENCE (SOUTH)

1/21/2026

6 FURNACE DETAILS 1/21/2026

FS RESIDENCES

HARLOWTON, MT 59036

DISTRICT RANGER DATE

DRAWN

DESIGNER

STAMPS, LOGOS, AND SEALS

PROJECT NAME

DRAWING TITLE

CHECKED

ARCHIVE NO.

DATE

PROJECT NO.

DRAWING SHEET NO.

DATENO.

REVISION / ISSUE

OFSHEET

United States Department of Agriculture Forest Service

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R01

NORTHERN REGION

HARLOWTON

AIR

CONDITIONING

HELENA-LEWIS & CLARK

NATIONAL FOREST

JUDITH-MUSSELSHELL

RANGER DISTRICT

ESTIMATED QUANTITIES

1/21/2026

R. STOVALL

R. STOVALL

J. GANNON

02 06

GENERAL NOTES

A. WORK INCLUDES THE INSTALLATION OF AN INTEGRATED COOLING

SYSTEM TO THE EXISTING FURNACE. ALL WORK REQUIRED TO

COMPLETE A FULLY OPERATIONAL COOLING SYSTEM WHILE

MAINTAINING THE HEATING OPERATIONS IS INCIDENTAL TO THIS

PROJECT.

B. CONTRACTOR SHALL BE RESPONSIBLE FOR ALL THE SCHEDULING AND

COORDINATION OF WORK INCLUDING ANY ELECTRICAL OR OTHER

SUBCONTRACTOR WORK.

C. INSTALLATION OF APPLIANCES AND ASSOCIATED PARTS/MATERIALS

SHALL CONFORM TO THE CONDITIONS OF THEIR LISTING AND LABEL

AND THE MANUFACTURERS INSTRUCTIONS.

D. AIR CONDITIONING SYSTEM SHALL HAVE A MINIMUM SEASONAL

ENERGY EFFICIENCY RATING (SEER) OF 16.

E. ALL MATERIALS SHALL COMPLY WITH "BUY AMERICAN ACT" (BAA) OR

"BUILD AMERICA, BUY AMERICA" (BABA).

F. COMMISSIONING OF BOTH THE HEATING AND COOLING OF EACH HVAC

SYSTEM SHALL BE PERFORMED PRIOR TO FINAL ACCEPTANCE.

SYS - SYSTEM: A SET OF INTERCONNECTED OR INTERDEPENDENT COMPONENTS THAT WORK TOGETHER AS A UNIFIED WHOLE TO ACHIEVE A SPECIFIC PURPOSE.

ESTIMATED QUANTITIES

FURNACE NAME PLATE

ASSISTANT RANGER RESIDENCE (NORTH)

1310 NW VIEW ST

HARLOWTON, MT 59036

FURNACE NAME PLATE

RANGER RESIDENCE (SOUTH)

305 M AVE NW

HARLOWTON, MT 59036

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DRAWN

DESIGNER

STAMPS, LOGOS, AND SEALS

PROJECT NAME

DRAWING TITLE

CHECKED

ARCHIVE NO.

DATE

PROJECT NO.

DRAWING SHEET NO.

DATENO.

REVISION / ISSUE

OFSHEET

United States Department of Agriculture Forest Service

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R01

NORTHERN REGION

HARLOWTON

AIR

CONDITIONING

HELENA-LEWIS & CLARK

NATIONAL FOREST

JUDITH-MUSSELSHELL

RANGER DISTRICT

SITE MAP

1/21/2026

R. STOVALL

R. STOVALL

J. GANNON

03 06

1310 NW VIEW ST, HARLOWTON, MT

ASSISTANT RANGER RESIDENCE (NORTH)

305 M AVE NW, HARLOWTON, MT

RANGER RESIDENCE (SOUTH)

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ENTRY AND LAUNDRY

24'-6

"23'-8

48'-3"

14'-9" 33'-6"

WH

F

RD

P

PT

FD

DRAWN

DESIGNER

STAMPS, LOGOS, AND SEALS

PROJECT NAME

DRAWING TITLE

CHECKED

ARCHIVE NO.

DATE

PROJECT NO.

DRAWING SHEET NO.

DATENO.

REVISION / ISSUE

OFSHEET

United States Department of Agriculture Forest Service

1/2 1/2

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R01

NORTHERN REGION

HARLOWTON

AIR

CONDITIONING

HELENA-LEWIS & CLARK

NATIONAL FOREST

JUDITH-MUSSELSHELL

RANGER DISTRICT

ASSISTANT RANGER

RESIDENCE (NORTH)

1/21/2026

R. STOVALL

R. STOVALL

J. GANNON

04 06

SCALE: NTS

BASEMENT PLAN VIEW

INSTALLATION NOTES

1. INSTALL NEW PROGRAMMABLE THERMOSTAT

COMPATIBLE WITH NEW HVAC SYSTEM.

2. INSTALL NEW CONDENSER ELECTRICAL CIRCUIT,

BREAKER, AND CONDUCTORS PER HVAC

MANUFACTURER INSTALLATION INSTRUCTIONS AND IN

COMPLIANCE WITH ELECTRICAL CODES (NFPA 70).

3. INSTALL NEW COOLING COILS IN THE SUPPLY DUCT

OF THE EXISTING FURNACE AND ALL LINES FROM

COILS TO EXTERIOR CONDENSER.

4. CONDENSATE SHALL BE CONVEYED TO AN APPROVED

PLACE OF DISPOSAL.

5. INSTALL NEW CONDENSER LEVEL ON A CONCRETE

SLAB OR OTHER APPROVED MATERIAL EXTENDING

NOT LESS THAN 3 INCHES ABOVE THE ADJACENT

GROUND.

6. INSTALL A EXTERIOR READILY ACCESSIBLE

DISCONNECT WITHIN SIGHT FROM THE CONDENSER

UNIT.

LEGEND

D DRYER

F FURNACE

FD FLOOR DRAIN

P PANELBOARD

PT PRESSURE TANK (WATER SUPPLY)

RD RETURN DUCT

WH WATER HEATER

THERMOSTAT LOCATED ON

UPPER LEVEL

UNFINISHED BASEMENT WITH

EXPOSED JOISTS

NEW

CONDENSER,

PAD, AND

DISCONNECT

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GARAGE

STOOP

W D

PT

WH

F

RD

P

FD

FD

WASHER STANDPIPE.

CURRENT HVAC DRAIN LOCATION

16'-0"44'-2"

60'-2"

NEW

CONDENSOR,

PAD, AND

DISCONNECT

20'-7"

DRAWN

DESIGNER

STAMPS, LOGOS, AND SEALS

PROJECT NAME

DRAWING TITLE

CHECKED

ARCHIVE NO.

DATE

PROJECT NO.

DRAWING SHEET NO.

DATENO.

REVISION / ISSUE

OFSHEET

United States Department of Agriculture Forest Service

1/2 1/2

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R01

NORTHERN REGION

HARLOWTON

AIR

CONDITIONING

HELENA-LEWIS & CLARK

NATIONAL FOREST

JUDITH-MUSSELSHELL

RANGER DISTRICT

RANGER RESIDENCE

(SOUTH)

1/21/2026

R. STOVALL

R. STOVALL

J. GANNON

05 06

SCALE: NTS

BASEMENT PLAN VIEW

THERMOSTAT LOCATED ON

UPPER LEVEL

INSTALLATION NOTES REFL. CEILING PLAN LEGEND

1. INSTALL NEW PROGRAMMABLE THERMOSTAT

COMPATIBLE WITH NEW HVAC SYSTEM.

2. INSTALL NEW CONDENSER ELECTRICAL CIRCUIT,

BREAKER, AND CONDUCTORS PER HVAC

MANUFACTURER INSTALLATION INSTRUCTIONS AND IN

COMPLIANCE WITH ELECTRICAL CODES (NFPA 70).

3. INSTALL NEW COOLING COILS IN THE SUPPLY DUCT

OF THE EXISTING FURNACE AND ALL LINES FROM

COILS TO EXTERIOR CONDENSER.

4. CONDENSATE SHALL BE CONVEYED TO AN APPROVED

PLACE OF DISPOSAL.

5. INSTALL NEW CONDENSER LEVEL ON A CONCRETE

SLAB OR OTHER APPROVED MATERIAL EXTENDING

NOT LESS THAN 3 INCHES ABOVE THE ADJACENT

GROUND.

6. INSTALL A EXTERIOR READILY ACCESSIBLE

DISCONNECT WITHIN SIGHT FROM THE CONDENSER

UNIT.

DROPPED CEILING

EXPOSED JOISTS (UNFINISHED)

LEGEND

D DRYER

F FURNACE

FD FLOOR DRAIN

P PANELBOARD

PT PRESSURE TANK (WATER SUPPLY)

RD RETURN DUCT

WH WATER HEATER

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19"

24"

DRAWN

DESIGNER

STAMPS, LOGOS, AND SEALS

PROJECT NAME

DRAWING TITLE

CHECKED

ARCHIVE NO.

DATE

PROJECT NO.

DRAWING SHEET NO.

DATENO.

REVISION / ISSUE

OFSHEET

United States Department of Agriculture Forest Service

1/2 1/2

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R01

NORTHERN REGION

HARLOWTON

AIR

CONDITIONING

HELENA-LEWIS & CLARK

NATIONAL FOREST

JUDITH-MUSSELSHELL

RANGER DISTRICT

FURNACE

DETAILS

1/21/2026

R. STOVALL

R. STOVALL

J. GANNON

06 06

ASSISTANT RANGER RESIDENCE (NORTH) RANGER RESIDENCE (SOUTH)

18"

"1

16.5"

FURNACE

SUPPLY

DUCT

FURNACE

SUPPLY

DUCT

WOOD

BASE

MANUFACTURER: INTERNATIONAL COMFORT PRODUCTS

MODEL NO: N9MPD075F12A2

MFG NO: N9MPD075F12A2

SERIAL NO: A100357615

DATE OF MFG: JAN 2010

FUEL TYPE: NATURAL GAS

INPUT: HIGH/MAX: 75,000 BTU/HR

OUTPUT: HIGH/MAX:

TEMP RISE MAX: 40-70 F

DESIGN MAX OUTLET AIR TEMP: 170 F

MANUFACTURER: GOODMAN MANUFACTURING COMPANY

MODEL NO: GMES960803BNAA

MFG NO: 027F05088

SERIAL NO: 2001240711

DATE OF MFG: 2016

FUEL TYPE: NATURAL GAS

INPUT: HIGH/MAX: 80,000 BTU/HR

OUTPUT: HIGH/MAX: 76,880 BTU/HR

TEMP RISE MAX: 35-65 F

DESIGN MAX OUTLET AIR TEMP: 170 F

DIMENSIONS ARE APPROXIMATE AND FOR ESTIMATING PURPOSES ONLY.

FURNACE (NORTH)

SCALE: NTS

PANELBOARD (NORTH)

FURNACE SPECIFICATIONS: FURNACE SPECIFICATIONS:

ADDITIONAL CIRCUIT

CAPACITY

USE ABANDONED "DRYER SOUTH"

30 AMP CIRCUIT FOR NEW CONDENSER.

DIMENSIONS ARE APPROXIMATE AND FOR ESTIMATING PURPOSES ONLY.

FURNACE (SOUTH)

SCALE: NTS

PANELBOARD (SOUTH)

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Sheets and Views
HarlowAirConditioning_Drawing-01_COVER
HarlowAirConditioning_Drawing-02_EST QTY
HarlowAirConditioning_Drawing-03_SITE
HarlowAirConditioning_Drawing-04_DIM_RANGER
HarlowAirConditioning_Drawing-05_DIM_ASST
HarlowAirConditioning_Drawing-06_FURNACE DETAILS
2026-01-21T11:29:49-0700
REID STOVALL
2026-01-22T07:38:36-0700
JASON OLTROGGE
Date3_af_date: 1/21/26
Date4_af_date:

File details come from the government source that posted it. Updated .