216_M505_R1_AMENDMENT 009.pdf
PDF 201 KB Posted
- Solicitation number
- N6247026R0012
About this file
This is a mechanical design drawing document from Naval Facilities Engineering Systems Command (NAVFAC) for Building 60 Repairs at Portsmouth Naval Shipyard in Kittery, Maine. The drawing, designated M-505, provides detailed mechanical specifications and installation requirements for HVAC and refrigeration systems, with a final submission date of October 1, 2025, and Amendment 009 approval dated March 16, 2026.
The document includes five primary mechanical details: (1) Wall-mounted pipe support schematics with requirements for supports every 10 linear feet minimum; (2) Refrigerant coil piping schematics for ducted split systems (BCU-1/CU-1, BCU-2/CU-2, and BCU-3/CU-3) with single-circuit configuration specifying manufacturer-recommended isolation valves, line sizes, filter dryers, and thermostatic expansion valves; (3) DOAS-1/C-4 refrigerant coil piping schematic for dual-circuit systems incorporating bypass filter dryers and APR controls sized per manufacturer specifications with estimated line sizes (RS: 1-1/8", RL: 0.5"); (4) ATFP bracing details for suspended mechanical equipment weighing over 31 pounds, requiring 0.5 times horizontal force resistance and 1.5 times vertical force resistance, with design by a registered design professional; and (5) ATFP cable bracing assembly details using elastomeric vibration isolation, hanger rods with double nuts, and transverse/longitudinal cable braces with 1/2" slack installation. The DOAS-1 air handling unit diagram identifies eight components including plenum exhaust and supply fan sections, air mixing, filter, energy wheel bypass damper, DX cooling coil, water heating coil, and access sections, with electronically commutated motor controllers specified.
View the file
Other files
Show 40 more
50 files listed here. See the rest on GovTribe.
On GovTribe
Work with this file
- Download the original file
- Contacts named in this file
- Similar government files
- Ask GovTribe AI about this file
Text version
2"ø WASHER WITH
DOUBLE NUT
NOTE
PROVIDE SUPPORTS EVERY 10 LINEAR FEET MINIMUM
WALL BRACKET
B1 M-502
(TYPICAL)
LIQUID
LINES FROM
CONDENSER
REFRIGERANT
COIL
LOCATE FILTER DRYER
AND SIGHT GLASS AT
CONDENSING UNIT (TYP)
FIELD INSTALLED
THERMOSTATIC
EXPANSION
VALVE (TYP)
EXPANSION
VALVE THERMAL
BULB (TYP)
SUCTION
LINES TO
COMPRESSORS
FILTER DRYER
PROVIDE OIL TRAP IN
SUCTION LINES WHEN
COMPRESSOR IS
LOCATED ABOVE COIL
EXPANSION VALVE
EQUALIZER LINES
EXPANSION VALVE
CAPILLARY TUBES
SIGHT GLASS
NOTES:
1. PROVIDE MANUFACTURER RECOMMENDED SIZE ISOLATION VALVES (3) AND MOUNTING
MATERIALS FOR THE CIRCUIT.
2. PROVIDE EQUIPMENT MANUFACTURER'S RECOMMENDED REFRIGERANT LINE SIZES.
BOD REFRIGERANT LINE SIZES ARE LISTED ON SCHEDULE.
LIQUID
LINES FROM
CONDENSER
REFRIGERANT
COIL
LOCATE FILTER DRYER
AND SIGHT GLASS AT
CONDENSING UNIT (TYP)
FIELD INSTALLED
THERMOSTATIC
EXPANSION
VALVE (TYP)
EXPANSION
VALVE THERMAL
BULB (TYP)
SUCTION
LINES TO
COMPRESSORS
BYFLOW
FILTER DRYERS
PROVIDE OIL TRAP IN
SUCTION LINES WHEN
COMPRESSOR IS
LOCATED ABOVE COIL
EXPANSION VALVE
EQUALIZER LINES
EXPANSION VALVE
CAPILLARY TUBES
SIGHT GLASS
NOTES:
1. PROVIDE MANUFACTURER RECOMMENDED SIZE ISOLATION VALVES (3) AND MOUNTING
MATERIALS FOR EACH CIRCUIT.
2. PROVIDE RAWAL SERVICES, INC APR CONTROL, SIZED AND INSTALLED IN ACCORDANCE
WITH MANUFACTURER'S WRITTEN INSTRUCTIONS.
3. PROVIDE EQUIPMENT MANUFACTURER'S RECOMMENDED REFRIGERANT LINE SIZES.
ADD LINE SIZE ESTIMATE; RS: 1-1/8", RL: 0.5"
NOTES:
1. PROVIDE BRACING ON ALL OVERHEAD MOUNTED EQUIPMENT WEIGHING OVER 31 LBS PER UFC 4-010-01 DOD MINIMUM ANTI-
TERRORISM STANDARDS FOR BUILDINGS, STANDARD 19
2. BRACING DESIGN SHALL BE PERFORMED BY A REGISTERED DESIGN PROFESSIONAL (REGISTERED IN THE PROJECT'S
JURISDICTION) AND SUBMITTED TO THE CONTRACTING OFFICER FOR REVEIW AND APPROVAL
3. BRACING CHALL BE DESIGNED TO RESIST FORCES OF 0.5 TIMES THE EQUIPMENT WEIGHT IN ANY HORIZONTAL DIRECTION AND
1.5 TIMES THE EQUIPMENT WEIGHT IN THE DOWNWARD DIRECTION
4. DETAIL PROVIDED AS GUIDENCE ONLY FOR THE SUPPORT OF SUSPENDED EQUIPMENT AND DOES NOT RELIEVE THE
CONTRACTOR FROM THE DELEGATED DESIGN RESPONSIBILTY IN MEETING THE ATFP STANDARD REQUIREMENTS
HANGER
ROD (TYP)
HSS 2-1/2" x 2"-1/2 x 1/8"
MINIMUM SIZE, MAX
SPACING 140"
TRANSVERSE AND
LONGITUDAL CABLE
BRACE (TYP)
SUSPENDED
MECH EQUIP
SEE AFP CABLE
BRACING DETAIL
SUSPENDED
MECH EQUIP
HANGER ROD, SEE
HANGER ROD
ATTATCHMENT DETAILS
ELASTOMERIC
VIBRATION
ISOLATION (TYP)
DOUBLE NUT (TYP)
ELEVATION PLAN VIEW
D4 M-505
CABLES INSTALLED
WITH 1/2" SLACK IN
BOTH SIDES
STAKE EYE AND
CABLE ASSEMBLY
TO STRUCTURE
OVAL SLEEVE (TYP)
CABLE LOOP
CONNECTOR WITH BOLT HOLE PER
CONNECTION BOLT DIAMETER AS
SHOWN OR STAKE EYE AND CABLE
ASSEMBLY ON BOTH ENDS
CONNECTOR WITH BOLT HOLE PER
CONNECTION BOLT DIAMETER
OVAL SLEEVE
STAKE EYE AND CABLE
ASSEMBLY TO
STRUCTURE AS SHOWN
OR CABLE LOOP
THROUGH CONNECTOR
ON BOTH ENDS
CABLE LOOP
DOAS-1 COMPONENT SCHEDULE
PLENUM EXHAUST FAN SECTION
AIR MIXING SECTION
FILTER SECTION
ENERGY WHEEL W/ BYPASS DAMPER
DX COOLING COIL SECTION
WATER HEATING COIL SECTION
ACCESS SECTION
45678 1
4 1
61-1/2"
228"
83-3/8"
8" INTEGRAL
BASE FRAME
8 PLENUM SUPPLY FAN SECTION
ELECTRONICALLY
COMMUNTATED MOTOR
(ECM) CONTROLLER
ELECTRONICALLY
COMMUNTATED MOTOR
(ECM) CONTROLLER
SATISFACTORY TO DATE
APPROVED
FOR COMMANDER NAVFAC
SEAL
A
B
C
D
1 2 3 4 5
1 2 3 4 5
A
B
C
D
SHEET
NAVFAC DRAWING NO.
DESIGNER
DRAWN BY
CHECKED BY
OF
EPROJECT NO.:
D E
P A
R T
M E
N T
O F
T H
E N
A V
Y N
A V
A L F
A C
IL
IT
IE
S
E N
G
IN
E E
R
IN
G S
Y S
T E
M S
C O
M M
A N
D
DRAWFORM REVISION: 14 SEP 2023
DESIGN MANAGER
PROJECT MANAGER
FEAD/PM&E
FIRE PROTECTION
N A
V A
L F
A C
IL
IT
IE
S
E N
G
IN
E E
R
IN
G S
Y S
T E
M S
C O
M M
A N
D
M
ID
-A T
LA
N
T
IC
P O
R T
S M
O U
T H
N A
V A
L S
H
IP
Y A
R D
K
IT
T
E R
Y M
E
UNCLASSIFIED
UNCLASSIFIED
U N
C L
A S
S
IF
IE
D
ACTIVITY
1740579
T. CARLETON
L. LYONS
S. RUCINSKI
/1
/2
:0
:3
P
M
C U s e rs \l h o m \D o c u m e n ts \2
.2
B L D
G
M E
C H
A N
IC
A
L -V lh o m
S L
M J .r v t
M-505
B
R
E P
A
IR
S
M E
C H
A N
IC
A
L D
E T
A
IL
S
MSA
RNC
SRW
K
IT
T E
R Y
M
E P
O R
T S
M O
U T
H N
A V
A L S
H
IP
Y A
R D
R O
IC
C
-M E
M -5
SCALE: NOT TO SCALE
A1
WALL MOUNTED PIPE SUPPORT SCHEMATIC
SCALE: NOT TO SCALE
A2
DUCTED SPLIT SYSTEMS BCU-1/CU-1, BCU-2/CU-2, AND
BCU-3/CU-3 REFRIGERANT COIL PIPING SCHEMATIC - SINGLE CIRCUIT
SCALE: NOT TO SCALE
A4
DOAS-1 / C-4 REFRIGERANT COIL PIPING SCHEMATIC-2 CIRCUIT
SCALE: NOT TO SCALE
B4
ATFP BRACING DETAIL FOR SUSPENDED MECHANICAL EQUIPMENT
SCALE: NOT TO SCALE
D4
ATFP CABLE BRACING ASSEMBLY DETAIL
SCALE: NOT TO SCALE
C1
DOAS-1 AIR HANDLING UNIT DIAGRAM (BOD)
(MH102, MP104)
(MP104, MP105, MP106) (MP104)
M A
R K
D E
S C
R
IP
T
IO
N D
A T
E A
P P
R
F
IN
A L
S U
B M
IS
S
IO
N
/0
1/
R
S H
A
M E
N D
M E
N T
/1
6/
R
S H
| Sheets |
| M-505 - MECHANICAL DETAILS 5 |
File details come from the government source that posted it. Updated .