60042073_Rev03.pdf

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Mechanical Repairs Bldg TT113 CDC
Solicitation number
N4008526R9010
Issued by

About this file

This document is a mechanical HVAC attic plan drawing for Building TT113 at Marine Corps Base Camp Lejeune, North Carolina. The drawing is part of naval facilities engineering construction contract N40085-24-F-5940 and serves as Sheet 66 of 119 in the project documentation, with drawing number 60042073 and identifier MH108.

The plan illustrates the West Wing mechanical HVAC system layout at attic level, showing the installation and routing of ductwork and equipment. Key components depicted include a Dedicated Outside Air System (DOAS) unit mounted on an equipment platform in the attic, with associated outside air intake and exhaust air ductwork connections to exterior wall louvers equipped with Class 1A motorized dampers. The drawing specifies multiple Fan Coil Units (FCU-1-01, FCU-1-02, FCU-2-01 through FCU-2-12) throughout the space, with various duct sizes ranging from 6 inches to 30 inches in diameter and rectangular configurations of 8"x14" to 30"x18" in mixed dimensions (OA for overall and EA for equipment). The plan includes general notes requiring coordination of equipment placement with structural elements, provision of duct plenums behind architectural louvers, and routing of ventilation and exhaust ductwork to spaces below with continuation on corresponding floor plans. The drawing was prepared by the Naval Facilities Engineering Systems Command and includes revision history dated March 2026.

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Text version

M

M

DOAS-2

"ø

"ø

"ø

"ø

16"x14" EA

16"x14" EA

30"x18" OA

30"x18" EA30"x18" EA

"x

E

A

24"x22" OA

20"x20" EA

MD-9

MD-8

A1

M-302

C1

M-302

8"x14" OA

8"ø

"ø

8"ø

FCU-2-12

FCU-1-02

FCU-1-01

FCU-2-04 FCU-2-05

FCU-2-01

FCU-2-02

FCU-2-03

FCU-2-06 FCU-2-08

FCU-2-11

FCU-2-09FCU-2-07FCU-2-10

"ø

"ø1 "ø

"ø

14"x12" OA

"ø

"ø

18"x16" OA

18"x20" OA

"ø

16"x14" OA

"ø

8"x14" OA

"ø

6"ø

SYM. DESCRIPTION DATE APP.

REVISIONS

DR.

DES.

CHK.

SUBMITTED BY:

DESIGN DIR.

APPROVED: PWO OR OICC

SATISFACTORY TO:

DATE

DATE

DEPARTMENT OF THE NAVY NAVAL FACILITIES ENGINEERING SYSTEMS COMMAND

CAMP LEJEUNE, NORTH CAROLINA

MARINE CORPS BASE

SIZE CODE IDENT. NO. NAVFAC DRAWING NO.

E1 80091

CONSTR. CONTR. NO.

AS NOTEDSCALE SHEET

M B

F A

N O

SPEC.

MH108

PJR

JDL

JENNI REED

LWM

MECHANICAL REPAIRS

BUILDING TT113

ATTIC PLAN - WEST WING - MECHANICAL HVAC

60042073 N40085-24-F-5940

GENERAL NOTES:

# PLAN NOTES

1 PROVIDE DOAS MOUNTED ON EQUIPMENT

PLATFORM IN ATTIC. COORDINATE EXACT

LOCATION ON PLATFORM WITH STRUCTURE

AND PROVIDE MANUFACTURER RECOMMENDED

CLEARANCES.

2 PROVIDE OUTSIDE AIR VENTILATION DUCTWORK

FROM EXTERIOR WALL LOUVER WITH CLASS 1A

MOTORIZED DAMPER TO DOAS OA INTAKE AS

SHOWN. PROVIDE DUCT PLENUM BEHIND

ARCHITECTURAL LOUVER, SIZE TO MATCH

MOTORIZED DAMPER SIZE. SEE

ARCHITECTURAL SHEETS FOR MORE

INFORMATION ON LOUVER TYPE AND SIZE.

3 PROVIDE EXHAUST AIR DUCTWORK FROM

EXTERIOR WALL LOUVER WITH CLASS 1A

MOTORIZED DAMPER TO DOAS EXHAUST

OUTLET AS SHOWN. PROVIDE DUCT PLENUM

BEHIND ARCHITECTURAL LOUVER, SIZE TO

MATCH MOTORIZED DAMPER SIZE. SEE

ARCHITECTURAL SHEETS FOR MORE

INFORMATION ON LOUVER TYPE AND SIZE.

4 PROVIDE OUTSIDE AIR VENTILATION DUCTWORK

FROM DOAS OA OUTLET AND ROUTE AS SHOWN

TO SPACES BELOW. SEE FLOOR PLANS FOR

CONTINUATION

5 PROVIDE EXHAUST AIR DUCTWORK FROM DOAS

EA INLET AND ROUTE AS SHOWN TO SPACES

BELOW. SEE FLOOR PLANS FOR CONTINUATION.

3/16" = 1'-0" B1

ATTIC PLAN - WEST WING - MECHANICAL HVAC

GRAPHIC SCALE: 3/16"=1'-0"

6' 0 4' 10'

1. SEE SHEET M-001 FOR GENERAL NOTES,

LEGEND & ABBREVIATIONS

2. PLAN DRAWINGS ARE DIAGRAMMATIC IN

NATURE AND DO NO ILLUSTRATE SPECIFIC

DUCT TAKE-OFF CONFIGURATIONS OR TAPS.

N

NTS

A5

KEY PLAN - WEST WING

2 PPI REVISION 2 03.09.26

3 PPI REVISION 3 03.31.26

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