60040250.pdf
PDF 548 KB Posted
- Attached to
- BEQ Repair AS4212
- Solicitation number
- N4008525R2620
About this file
This document is a mechanical HVAC plan drawing for a Barracks Equipment Quarters (BEQ) repair project at Marine Corps Base Camp Lejeune, North Carolina. The drawing (Sheet M-102) details the third floor and attic floor mechanical systems, specifically showing HVAC ductwork, ventilation mains, exhaust and supply systems, and equipment placement for rooms 301-343. Key technical specifications include:
The plan requires installation of Packaged Terminal Heat Pump (PTHP) units with ligature-proof protective covers, corrosion-resistant chassis, and condensate drains. Ductwork routing includes provisions for exhaust and supply ventilation mains, inline exhaust fans in the attic, and louvers in gable walls. The drawings specify structural modifications to wooden roof trusses will be necessary to accommodate ductwork routing and louver installations. The project is part of contract N40085-23-B-0035, with Morgan Hunter as the design firm, and is specifically identified as the Repair BEQ AS4212 project for the Department of the Navy Naval Facilities Engineering Systems Command.
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14"x10"10"x10"6"x10" 10"x10"6"x6" 14"x10" 10"x10" 6"x10"10"x10" 6"x8" 14"x10"10"x10"6"x10" 10"x10"6"x6" 14"x10" 10"x10" 10"x10" 6"x10" 6"x6"
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M-110 A2
M-111 A2
M-110 A4
8"x8" EA
EF-5 M
L-7
L-5b L-6b
L-8
26"x26" EA
32"x22" EA
"x
E A
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3(TYP)
MD-5
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O A
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O A
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O A
CATWALKCATWALK
38"x22"
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"x
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.
M-102
MAS
JDL
MORGAN HUNTER
LWM
REPAIR BEQ AS4212
OVERALL THIRD AND ATTIC FLOOR PLANS - HVAC
60040250 N40085-23-B-0035
# PLAN NOTES
1 PROVIDE EXHAUST AND SUPPLY (VENTILATION) MAINS AS
SHOWN. SEE ENLARGED PLANS FOR BRANCH DUCTS TO
DIFFUSERS/GRILLES. (TYPICAL ALL EXHAUST AND SUPPLY
MAINS)
2 PROVIDE PTHP UNIT WITH LIGATURE PROOF PROTECTIVE
COVER, CORROSION RESISTANT CHASSIS, AND 3/4"
CONDENSATE DRAIN WITH EXTERIOR CLEANOUT. (TYP)
3 LOUVER TO BE INSTALLED IN GABLE. (TYP)
4 PROVIDE 1'-0" DEEP SEMICIRCULAR INSULATED PLENUM SIZED
TO MATCH DIMENSIONS OF THE LOUVER AND CONNECT TO
EXHAUST LOUVER. PROVIDE MANUAL DAMPER IN EACH DUCT
PRIOR TO PLENUM CONNECTION. SEE ARCHITECTURAL
DRAWINGS FOR LOUVER LOCATION AND SPECIFICATION.
STRUCTURAL MODIFICATION TO WOODEN ROOF TRUSSES,
SUPPORTS AND BRACING WILL BE REQUIRED TO ROUTE DUCT
TO LOUVERS AND TO INSTALL LOUVERS IN GABLE/DORMER
WALL.
5 PROVIDE 1'-0" DEEP SEMICIRCULAR INSULATED PLENUM SIZED
TO MATCH DIMENSIONS OF THE LOUVER AND CONNECT TO
INTAKE LOUVER. PROVIDE MANUAL DAMPER IN EACH DUCT
PRIOR TO PLENUM CONNECTION. SEE ARCHITECTURAL
DRAWINGS FOR LOUVER LOCATION AND SPECIFICATION.
STRUCTURAL MODIFICATION TO WOODEN ROOF TRUSSES,
SUPPORTS AND BRACING WILL BE REQUIRED TO ROUTE DUCT
TO LOUVERS AND TO INSTALL LOUVERS IN GABLE/DORMER
WALL.
6 EXHAUST AND SUPPLY (VENTILATION) MAIN DUCT RISER UP
FROM LEVELS BELOW. ROUTE TO EXTERIOR LOUVERS AS
SHOWN. PROVIDE TRANSITION AND OFFSET IN OUTSIDE AIR
DUCTWORK TO ALLOW FOR ROUTING OF DUCTWORK UNDER
CATWALK.
7 ROUTE EXHAUST DUCT RISER TO INLINE EXHAUST FAN ON
PLATFORM IN ATTIC. ROUTE EXHAUST FROM FAN TO LOUVER
AS SHOWN.
8 PROVIDE INLINE EXHAUST FAN ON PLATFORM IN ATTIC.
9 ROUTE DUCTWORK AS REQUIRED IN ATTIC TO PROVIDE
CLEARANCE ZONE FOR CATWALK AS SHOWN. COORDINATE
EXACT ROUTING WITH STRUCTURAL BEAMS IN ATTIC SPACE.
GENERAL NOTES:
1. SEE SHEET M-001 FOR GENERAL NOTES, LEGEND &
ABBREVIATIONS
2. PLAN DRAWINGS ARE DIAGRAMMATIC IN NATURE AND DO NOT
ILLUSTRATE ALL SPECIFIC DUCT TAKE-OFF CONFIGURATIONS,
TAPS, ETC. PROVIDE FLEXIBLE DUCTWORK RUNOUTS TO ALL
SUPPLY AND RETURN GRILLES WITH A MAXIMUM LENGTH OF 5
FEET AND SINGLE BENDS NO GREATER THAN 45 DEGREES.
REFER TO PROJECT SPECIFICATIONS AND DUCTWORK
DETAILS FOR SPECIFIC REQUIREMENTS.
3. PIPING IS TO BE INSTALLED SO THAT ALL VALVES, STRAINERS,
UNIONS, TRAPS AND FLANGES REQUIRING ACCESS ARE
EASILY ACCESSIBLE. ALL VALVES MUST BE INSTALLED SO
THAT THE SYSTEM REMAINS IN SERVICE WHEN EQUIPMENT
OR PIPING (ON EQUIPMENT SIDE OF VALVE) IS REMOVED. ALL
BALANCING VALVES AND BUTTERFLY VALVES MUST BE
PROVIDED WITH POSITION INDICATORS AND MAXIMUM
ADJUSTABLE STOPS. ALL VALVES (EXCEPT CONTROL VALVES)
AND STRAINERS MUST BE FULL SIZE OF PIPE BEFORE
REDUCING SIZE TO MAKE CONNECTIONS TO EQUIPMENT OR
CONTROLS.
GRAPHIC SCALE: 3/32"=1'-0"
8' 0 8' 16' 24'
3/32" = 1'-0" B1
THIRD FLOOR PLAN - MECHANICAL NEW WORK
N
N
3/32" = 1'-0"
ATTIC FLOOR PLAN - MECHANICAL NEW WORK
4 ROOFING AMENDMENT 07.25.25
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