Specifications

25-0082

REPLACE SPLIT SYSTEM, BLDG HP259

CONTRACT N40085-25-B-0082

NAVFAC SPECIFICATION

NO. 25-0082

REPLACE SPLIT SYSTEM, BLDG HP259

AT THE

MARINE CORPS BASE, CAMP LEJEUNE, NORTH CAROLINA

DESIGN BY:

Nicholas J. Vella, PE
Design Branch, Mechanical Section

SPECIFICATION PREPARED BY:

Kim R. Sample

Date: October 26,2026

SPECIFICATION APPROVED BY:

Digitally signed by

MAAS.CHRISTOPHER.JETT.1588040727

DN:

MAAS.CHRISTOPHER.JETT.1588040727 CN=MAAS.CHRISTOPHER.JETT.1588040727, OU=USMC, OU=PKI, OU=DoD, O=U.S.
Government, C=US
Date: 2026.10.26 14:54:14-04'00'

Christopher J. Maas, P.E.
Director Design Branch, Public Works Division
Jonathan D. McGuire, Commander, CEC, U.S. Navy for
Commander, Naval Facilities Engineering

25-0082

SECTION COVER

PROJECT: 25-0082

TITLE: BUILDING BUILDING HP259 MECHANICAL REPLACEMENT

25-0082.PDF (CONTRACT DRAWINGS SHEETS G001 THROUGH E103)

PUBLISH.PDF (SPECS)

REGISTER.PDF (SUBMITTAL REGISTER)

25-0082 PROJECT SUMMARY.PDF (THIS DOCUMENT)

SCOPE OF WORK:

THE CONTRACTOR SHALL PROVIDE ALL MATERIAL, LABOR, EQUIPMENT, AND

SUPERVISION REQUIRED TO ACCOMPLISH THE FOLLOWING:

COMPLETE MECHANICAL REPLACEMENT OF THE HVAC SYSTEMS SERVING BUILDING

HP259, INCLUDING THE INSTALLATION OF A NEW 20-TON SPLIT SYSTEM AIR HANDLING

UNIT (AHU-1) AND MATCHING OUTDOOR AIR-COOLED CONDENSING UNIT (CU-1),

DUCTWORK CONNECTIONS, CONDENSATE DRAIN LINES, REFRIGERANT PIPING, AND

ASSOCIATED ELECTRICAL AND CONTROL SYSTEMS.

GENERAL DESCRIPTION

REPLACE THE EXISTING SPLIT SYSTEM AIR HANDLING UNIT (AHU-1) AND MATCHING

OUTDOOR CONDENSING UNIT (CU-1) WITH A NEW 20-TON SYSTEM FEATURING AN ECM

FAN MOTOR, COMPATIBLE WITH R-454B OR R-32 REFRIGERANT. TIE THE NEW SPLIT

SYSTEM INTO EXISTING DUCTWORK AND ELECTRICAL SYSTEMS. DEMOLISH AND

REPLACE SPECIFIED REFRIGERANT LINES, CONDENSATE LINES, AND ASSOCIATED

CONTROLS. PROVIDE NEW ELECTRICAL CONNECTIONS, FOR THE AHU-1 AND A NEW

DISCONNECT FOR CU-1 IN EXISTING DISCONNECT LOCATIONS, COMPLETELY REPLACING

OLD CIRCUITS, BREAKERS, AND CONDUIT.

IMPACT STATEMENT:

DUE TO THE DEMOLITION AND INSTALLATION OF THE MAIN 20-TON AIR HANDLER AND

ASSOCIATED CONDENSING UNIT, WORK WITHIN THE BUILDING (EXCLUDING THE

MECHANICAL ROOM) MUST BE PERFORMED STRICTLY OUTSIDE OF STANDARD

OPERATING HOURS (WEEKDAYS 0800–1630) TO MINIMIZE DISRUPTION TO ONGOING

OPERATIONS. ALL POWER OUTAGES MUST BE SCHEDULED ON WEEKENDS OR OUTSIDE

NORMAL WORKING HOURS, REQUIRING A MINIMUM OF FIVE (5) BUSINESS DAYS'

ADVANCED NOTICE TO THE CONTRACTING OFFICER. BUILDING CAN REMAIN OCCUPIED

AND FUNCTIONAL; ALL WORK WILL BE IN THE MECHANICAL ROOM AND IN OUTDOOR