Addendum 1 - Fargo EHRM Tier 2.pdf

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TRANSMITTAL

July 22, 2025

To: Mr. Clifford Halvorson Project Name:

EHRM Infrastructure Upgrades – Tier 2

Department of Veterans Affairs Fargo, ND VAMC Contract No.:

36C26319D0044

2101 Elm Street North Station Project No.: 437-21-210 Fargo, ND 58102

Phone: (701) 232-3241 Bancroft-AE No.:

22-113

Ext. 3905

We Transmit: For Your: Response Required:

☐ Attached ☒ Approval ☐ Yes

☐ Under Separate Cover ☐ Review/Comment ☒ No

☐ Via US Mail ☐ Use

☐ Via FedEx ☒ Record/File

☒ Electronic

Contents:

Electronic Submittal Documents for the Document Clarification

Addendum#1_Drawing M-600 – Updated CRAC schedule to indicate -30F low ambient operation.

Addendum#1_Above Air Technologies technical manual for MC2 DX units.

Action Required: Submitted for VA approval / record / file.

Please contact me directly if you have any questions or concerns regarding this submittal.

Walter Groszko wgroszko@bancroft-ae.com

Bancroft Architects + Engineers

Cc: Project File

DUCT FREE SPLIT SYSTEM SCHEDULE

EQUIPMENT

TAG BUILDING NO. LOCATION BASIS OF

DESIGN

COOLING

CAPACITY

(MBH)

HEATING

CAPACITY

(MBH)

HEATING

FLOW RATE

(GPM)

ENTERING WATER

TEMPERATURE

(°F)

INDOOR UNIT OUTDOOR UNIT

NOTES

TYPE WEIGHT

(LBS)

DIMENSIONS (IN.) AIRFLOW FILTERS ELECTRICAL DATA

EQUIPMENT

TAG LOCATION WEIGHT

(LBS)

COMPRESSOR ELECTRICAL DATA

H W D TOTAL

CFM

EAT. D.B.

(°F)

EAT. W.B.

(°F) TYPE MCA MOCP PHASE VOLTS SIZE

(TONS)

REF.

TYPE EAT (°F) MCA MOCP PHASE VOLTS

CCU-BC50A-1 46 STORAGE ROOM BC-50A MODINE 19.2 40.4 4.0 180 CSD18BACBBNDM CEILING CASSETTE 84 32.4 32.4 12 590 80 67 CLEANABLE 0.7 15 1 208 ACCU-BC-50A-1 YC2E18 ROOF 150 1.5 R-410A 90 11.8 20 1 208 1, 2, 3, 4, 5, 6, 7, 8

CCU-BC50A-2 46 STORAGE ROOM BC-50A MODINE 19.2 40.4 4.0 180 CSD18BACBBNDM CEILING CASSETTE 84 32.4 32.4 12 590 80 67 CLEANABLE 0.7 15 1 208 ACCU-BC-50A-2 YC2E18 ROOF 150 1.5 R-410A 90 11.8 20 1 208 1, 2, 3, 4, 5, 6, 7, 8

CCU-BC-50B 46 SPLICE ENCLOSURE ROOM BC-50B MODINE 19.2 40.4 4.0 180 CSD18BACBBNDM CEILING CASSETTE 84 32.4 32.4 12 590 80 67 CLEANABLE 0.7 15 1 208 ACCU-BC-50B YC2E18 ROOF 150 1.5 R-410A 90 11.8 20 1 208 1, 2, 3, 4, 5, 6, 7, 8

CCU-BC-60-1 46 TELEPHONE EQUIPMENT

ROOM BC-50B MODINE 19.2 40.4 4.0 180 CSD18BACBBNDM CEILING

CASSETTE 84 32.4 32.4 12 590 80 67 CLEANABLE 0.7 15 1 208 ACCU-BC-60-1 YC2E18 ROOF 150 1.5 R-410A 90 11.8 20 1 208 1, 2, 3, 4, 5, 6, 7, 8

CCU-BC-60-2 46 TELEPHONE EQUIPMENT

ROOM BC-50B MODINE 19.2 40.4 4.0 180 CSD18BACBBNDM CEILING

CASSETTE 84 32.4 32.4 12 590 80 67 CLEANABLE 0.7 15 1 208 ACCU-BC-60-2 YC2E18 ROOF 150 1.5 R-410A 90 11.8 20 1 208 1, 2, 3, 4, 5, 6, 7, 8

NOTES: 5. PROVIDE THE FOLLOWING FACTORY INSTALLED ACCESSORIES FOR THE OUTDOOR UNIT:

1. ACCEPTABLE MANUFACTURERS: VA APPROVED EQUALS LOW AMBIENT KIT

2. INDOOR UNIT SHALL BE INTERLOCKED TO OUTDOOR UNIT FOR POWER AND CONTROL WIRING. 6. MERV 10 FILTER AND SPARE

3. FACTORY SHROUD FOR EXPOSED CEILING APPLICATION. 7. BACNET CARD

4. PROVIDE DIGITAL WALL STAT, NON-FUSED DISCONNECT, AND CONDENSATE PUMP. 8. INDOOR UNITS PROVIDED WITH HEATING WATER COILS

ELECTRIC SUSPENDED HEATER SCHEDULE

GENERAL HEATER FAN DATA ELECTRICAL DATA

NOTES

EQUIPMENT TAG LOCATION TYPE

MANUFACTURER

BASIS OF DESIGN KW PHASE VOLT TYPE CFM AMPS PHASE VOLT

EUH-1 BUILDING 1 GENERATOR

ROOM BE-98

SUSPENDED

HORIZONTAL MODINE HER200 20 3 208 PROP. 1300 55.6 3 208 1,2,3,4

EUH-2 BUILDING 1 GENERATOR

ROOM BE-98

SUSPENDED

HORIZONTAL MODINE HER200 20 3 208 PROP. 1300 55.6 3 208 1,2,3,4

NOTES:

1. OTHER ACCEPTABLE MANUFACTURERS: VA APPROVED EQUAL

2. DISCONNECT SWITCH.

3. MOUNTING KIT TO MATCH MOUNTING REQUIREMENTS.

4. FAN DELAY SWITCH.

EXHAUST / SUPPLY FAN SCHEDULE

EQUIPMENT TAG LOCATION AREA SERVED TYPE DRIVE CFM ESP

(IN.)

MAXIMUM

SONES

FAN

RPM BHP

MOTOR WEIGHT

CONTROL TYPE NOTES

HP RPM PHASE VOLT

EFG-1 GENERATOR ROOM GENERATOR ROOM GREENHECK SBCE-3H36 WALL MOUNTED

PROPELLER BELT 17500 0.25 46.0 1200 4.6 5 - 3 208 250 BAS 1, 3, 4, 5, 7

EFG-2 GENERATOR ROOM GENERATOR ROOM GREENHECK SBE-3H36 WALL MOUNTED

PROPELLER BELT 17500 0.25 46.0 1200 4.6 5 - 3 208 250 BAS 1, 3, 4, 5, 7

SFG-1 GENERATOR ROOM GENERATOR ROOM GREENHECK SBS-3H48 WALL MOUNTED

PROPELLER BELT 25000 0.375 40.0 688 5.1 7 1/2 - 3 208 400 BAS 1, 3, 4, 5, 6

NOTES:

1. OTHER ACCEPTABLE MANUFACTURERS: SEE SPECIFICATIONS. 6. 90 DEGREE INLET HOOD

2. PROVIDE THE FOLLOWING OPTIONS: GRAVITY BACKDRAFT DAMPER AND DISCONNECT SWITCH. 7. 45 DEGREE OUTLET HOOD

3. PROVIDE GALVANIZED BIRDSCREEN, , WALL HOUSING, MOTORIZED DAMPER.

4. PROVIDE VFD AND ROOM SPACE TEMPERATURE SENSOR ON BAS.

5. PROVIDE THE FOLLOWING OPTIONS AND ACCESSORIES: ELECTRICAL DISCONNECT SWITCH, NEOPRENE

VIBRATION ISOLATORS.

COMPUTER ROOM AC UNIT SCHEDULE

GENERAL FANS REHEAT SECTION HUMIDIFIER SECTION FILTERS ELECTRICAL DATA

NOTESEQUIPMENT

TAG LOCATION AREA

SERVED MANUFACTURER

BASIS OF DESIGN

TYPE DESIGN MODEL

OR EQUIVILANT

PHYSICAL CHARACTERISTICS

CFM

MOTOR

CAPACITY STEPS REFRIG.

TYPE

NET TOTAL

CAPACITY

(MBH)

NET SENSIBLE

CAPACITY (MBH) EAT (DB°F/WB°F) TYPE STAGES CAPACITY

(kW) TYPE STEAM CAPACITY

(LBS/HR) TYPE FLA MCA MOCP PHASE VOLTDIMENSIONS (IN.) WEIGHT

(LBS.) QTY. KW

(EACH)D W H

CRAC-1 MAIN COMPUTER ROOM 4E-24 MCR

4E-24 ABOVE AIRE DOWNFRONT

FLOW MCH-105D-3-HGHERH-EC-00-DFF-2E 33 107 85 3,420 15,000 3 3.10 VARIABLE R-410a 378.3 312.1 75/62.5 ELECTRIC SCR 30 STEAM CANISTER 30.0 MERV 8 132.6 158.7 175 3 208 1, 2, 3, 4, 5, 6, 9

CRAC-2 MAIN COMPUTER ROOM 4E-24 MCR

4E-24 ABOVE AIRE DOWNFRONT

FLOW MCH-105D-3-HGHERH-EC-00-DFF-2E 33 107 85 3,420 15,000 3 3.10 VARIABLE R-410a 378.3 312.1 75/62.5 ELECTRIC SCR 30 STEAM CANISTER 30.0 MERV 8 132.6 158.7 175 3 208 1, 2, 3, 4, 5, 6, 9

CRAC-3 UPS ROOM BE-97 UPS BE-97 ABOVE AIRE UPFRONT

FLOW MCH-035D-3-HGER0-EC-00-UF1-2A 34 59 95 1,695 4,400 1 3.10 VARIABLE R-410a 89.3 89.3 75/62.5 ELECTRIC SCR 15 N/A N/A MERV 8 48.6 60.8 70 3 208 1, 2, 3, 4, 5, 6, 7, 8, 9

CRAC-4 UPS ROOM BE-97 UPS BE-97 ABOVE AIRE UPFRONT

FLOW MCH-035D-3-HGER0-EC-00-UF1-2A 34 59 95 1,695 4,400 1 3.10 VARIABLE R-410a 89.3 89.3 75/62.5 ELECTRIC SCR 15 N/A N/A MERV 8 48.6 60.8 70 3 208 1, 2, 3, 4, 5, 6, 7, 8, 9

NOTES:

1. OTHER ACCEPTABLE MANUFACTURERS: VA APPROVED EQUALS. 4. PROVIDE SMOKE SENSOR WITH UNIT ALARM AND SHUTDOWN INCLUDE SUPERVISION CONTACTS 7. EACH CRAC SHALL HAVE A LOCAL MONITORING PANEL AFFIXED TO THE UNIT ACCESSING THE FOLLOWING INFORMATION:

SYSTEM AUTOMATIC RESTART WITH PROGRAMMABLE DELAY, SEQUENTIAL LOAD ACTIVATION, SENSOR CALIBRATION, CURRENT TEMPERATURE SET POINT AND LOCATION OF THAT SET POINT, CURRENT SUPPLY AND RETURN TEMPERATURE AND HUMIDITY, UNIT DIAGNOSTICS (FAN, VALVE, ALARM), ALARM LOG HISTORY, RUNTIME LOG, AUDIBLE AND VISUAL ALARM

8. 24" FLOOR STAND

2. PROVIDE LOCKING DISCONNECT, STARTER, AND CONTROLLER WITH BACnet COMPATIBLE BY MANUFACTURER. 5. PROVIDE DUAL REFRIGERATION CIRCUITS WITH HOT GAS BYPASS AND MUFFLERS, DIGITAL SCROLL COMPRESSOR, AND

COMPRESSORS TO INLCUDE CRANKCASE HEATER.

9. LOW AMBIENT OPERATION TO -30F.

3. PROVIDE SUPPLY AIR SENSOR WITH MULTIPLE RETURN SENSORS FIELD VERIFY EXACT LOCATION. 6. BMS CARD COMPATIBLE WITH CURRENT BUILDING CONTROL SYSTEM

Project Number

Building Number

Drawing Number

Project Title

Location

Issue Date Checked Drawn

Drawing Title

Approved:

VA FORM 08 - 6231

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Office of Construction and Facilities Management

U.S. Department of Veterans Affairs

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EHRM INFRASTRUCTURE

UPGRADES - TIER 2

FARGO VA HEALTH CARE SYSTEM

437-21-210

Project Director

Revisions: Date:

www. bancroft-ae.com

3300 Dundee RD.

Northbrook, IL 60062

T: 847.952.9362

01/16/2024Bancroft Project No: 22-113ISSUE FOR BID 01-16-24

ISSUE FOR BID - 01/16/2024

MECHANICAL SCHEDULES

RH MB

M-600

1-9-46

1 BIDDING ADDENDA #1 07-22-25

DESIGN MODEL

OR EQUIVILANT

DESIGN MODEL

OR EQUIVILANT

MANUFACTURER

BASIS OF DESIGN

DESIGN MODEL

OR EQUIVILANT

DESIGN MODEL

OR EQUIVILANT