38DJA52102R_00_A01.pdf
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- Attached to
- Firemain Discharge Piping
- Solicitation number
- N6264926Q0471
About this file
This is a Job Specification document for firemain discharge piping replacement on the USS TRIPOLI (LHA-7), a naval vessel. The work involves removing and installing new one-inch IPS firemain discharge piping for No. 14 Fire Pump located in the Fire Pump Room, with an approximate nine-foot length of copper-nickel piping and bronze fittings. The piping section runs between the one-inch IPS boss outlet on five-inch IPS discharge piping and check valve FM-V-2162, excluding the boss and check valve outlet side union.
The work is scheduled with a POP start date of August 17, 2026, and completion date of November 30, 2026, with an anticipated award date of July 24, 2026. The preparing activity is SASEBO. Key requirements include attending a pre-brief with contractor, government, and ship's force to confirm understanding of flooding prevention measures; removing and installing new piping per referenced system diagrams; cleaning and reusing existing orifices and fasteners; performing hydrostatic testing at 296 (+6/-0) PSIG on all welded and brazed joints; witnessing an operating pressure test with zero allowable leakage; and cleaning and preserving surfaces to match surrounding areas. The government will furnish all materials and components, including pipe, valves, strainers, flanges, unions, fittings, electrodes, brazing alloy, fasteners, and pipe coverings, as itemized in the detailed material list. SRF Divers will install and remove cofferdam at designated openings and issue pressure gauges. The specification references MIL-STD-1627 for pipe bending requirements and includes specific standard items and naval piping system diagrams for guidance.
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| File | Type | Posted |
|---|---|---|
| Solicitation - N6264926Q0471.pdf | ||
| 38DJA52103R_00_A01.pdf | ||
| 38DJA52101R_00_A01.pdf | ||
| 38DJA52104R_00_A01.pdf |
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Text version
Ship/HULL NO. Ship/HULL NAME ICN: Rev: Key Op:
LHA-7 USSTRIPOLI
JON. 380JA52102 AOl
TITLE:
Firemain Discharge Piping for No.14 Fire Pump; replace
JOB SPECIFICATION
Anticipated Award Date: Production Completion Date: PREPARING ACTIVITY:
SASEBOPOP Start Date: POP End Date:
PREPARED BY:
T.YOSHINAGA
CODE
P_YO
DATE
12/10/2025
APPROVED BY: f' S.MURAKAMI .J.vv
Aft CODE S225
CONCURREDBY:
T.TAKAMASU ,-J---
CODE
S234
ASSIST PLANNER'S NAME: CODE
ASSIST PLANNER'S NAME: CODE
ASSIST PLANNER'S NAME: CODE
DMNG OPS
DESCRIPTION:
JSN(S): ERO4-1595 CASREP #
S/F CONTACT: TILLMAN DCCS I 3MC CWP # CCNS #
PERKI
g
Approved by S300!S90 Date:/,1"2/ZOZ5 . Avi: 6A1
LWC:
Work Completed
SlForce: Rate:
SHIPSUPT: Date:
Date:
SRF CONTROL NO.:
WORK CERTIFICATION SIGNATURES
COMPLETION OF WORK REVIEW: BADGE NO.: SHOP/CODE: PHONE DATE:
Sakura.Yamaguchi.ja Typewritten Text R
Sakura.Yamaguchi.ja Typewritten Text 7/24/2026
Sakura.Yamaguchi.ja Typewritten Text 10/2/2026
Sakura.Yamaguchi.ja Typewritten Text 8/17/2026
Sakura.Yamaguchi.ja Typewritten Text 11/30/2026
Sakura.Yamaguchi.ja Typewritten Text 1301389144
Ship/HULL NO. Ship/HULL NAME lCN: Rev: Key Op:
LHA-7 USS TRIPOLI JON. 38DJA521 02 AOl
TITLE:
Firemain Discharge Piping for No.14 Fire Pump; replace
1. SCOPE:
1.1 Title: Firemain Discharge Piping for No.14 Fire Pump; replace
1.2 Location of Work:
1.2.1 Fire Pump Room (5 1/2-97--01-E)
1.3 Identification:
1.3.1 Quantity (One BA), One Inch IPS Firemain Discharge Piping for No.14 Fire Pump Located in 1.2.1, between One Inch IPS Boss Outlet Piping on 5 Inch IPS Discharge Piping and check valve (FM-V-2162), Not Including Boss and Check Valve (FM-V-2162) Outlet Side Union, Approximately 9 Feet Length, CuNi Piping, CuNi and Bronze Fittings, See ENCLOSURE (A)
2. REFERENCES:
2.1 Standard Items (FY26)
2.2 521-7566289 Rev B, Firemain Piping System Diagram
2.3 521-7565100 Rev A, Piping Firemain SYS AFT Fire Pump Room
2.4 I'IIL-STD-1627 Rev C, Bending of Pipe or Tube for Ship Piping Systems
3. REQUIREMENTS:
CV) (G) "PRE-BRIEF"
3.1 Prior to the start of work, attend Pre-Brief to confirm that the Contractor, the Government, and the Ship's Force understand the tasks the contractor is required to accomplish as part of this job specification and that each of the parties understand the precautionary measures to be taken to prevent flooding while the repairs/alterations are in progress and who has responsibility for such measures. -SHIPSUPT
NOTE: Opening Item 76 and 79 of LHA-7 Docking Drawing (DWQ.801-8502725) for piping listed in 1.3.1
3.2 Remove existing and install new firemain discharge piping to replace the firemain discharge piping listed in 1.3.1, using 2.2 and 2.3 for guidance.
3.2.1 Clean each existing orifice and fastener for reuse.
3.2.2 Accomplish the requirements of Paragraphs 4 and 5 of 2.4 for pipe bending section.
2/
Sakura.Yamaguchi.ja
R
Shi IHULL NO. Shi IHULL NAME ICN: Rev: Key Op:
LHA-7 USS TRIPOLI JON: 38DJA52102 AOl
TITLE:
Firemain Discharge Piping for No.14 Fire Pump; replace
3.2.3 Accomplish the requirements of 009-12 of 2.1, including Table One Columns A and B, Lines One through 10.
3.2.4 Accomplish the requirements of 009-71 of 2.1 for hydrostatic test, using clean, fresh water at 296 (+6/-U) PSIG, for each welded joint and each brazed joint of new and disturbed piping.
(V) (G) "OPERATING PRESSURE TEST"
3.2.5 Witness an operating pressure test of new and disturbed pipIng to be conducted by ship's force to verify tightness of each mechanical joint affected by this work item, until the specified criteria is verified.
Allowable leakage: None. - S130
3.2.5.1 Prior to an operating pressure test, contact SHIPSUPT to ensure that each underwater hull opening is cleared by SRF Diver.
3.3 Accomplish the requirements of 009-11 of 2.1 affected by this work item.
3.4 Accomplish the requirements of 009-32 of 2.1 for cleaning and preservation of each new and disturbed surface to match surrounding areas.
4. NOTES:
4.1 Initial Condition - Firemain Discharge Piping for No.14 fire pump is degraded.
4.2 cofferdam (at Opening Item No.76 and 79 of LHA-7 Docking Drawing (801-8502725)) will be installed and removed by SRF Diver.
4.3 SRF tool room will issue pressure gauges.
5. GOVERNMENT FURNISHED MATERIAL:
5.1 SRF will provide following material.
MATERIAL LIST
QTY
ITEM PC REF / STOCK HAZ DOG REQD/ PARA
NO. NO. NO. C DESCRIPTION NUMBER MA1 NO. UNIT NO.
001 M PIPE, 1"IPS, 1.315"ODXO.082"WT, MIL-T- 9B4730 N 20/FT 3.2
16420 TY-I SPECIAL, CNA 90/10 SAPTEO2O5
002 M VALVE, lIPS, GATE, STOP, UE, 400#, 3B4820 N
1/EA 3.2
803-1 385714-51AF, BRONZE 015502905
003 M Y-STRAINERASSY, 803-841499 ASSY 96, 9B 4730 N
1/EA 3.2
STRAINER MESH 0.O62DIA, SIL-BRAZE 013350412
ENDS
004 M VALVE, 1"PS, SWiNG CHECK, UE, 400#, 3B 4820 N 1/EA 3.2
803-1385721-5, BRONZE 013477747
005 M FLANGE, lIPS, NAVY, SB, 250#, MIL-F- 9B4730 N
4/EA 3.2
20042, BRONZE 005413192
Sakura.Yamaguchi.ja
ShIpIHULL NO. ShipIHULL NAME ICN: Rev: Key Op:
LHA-7 USS TRIPOLI JON. 38DJA521 02 AOl
TITLE:
Firemain Discharge Piping for No.14 Fire Pump; replace
MATERIAL LIST
QTY
ITEM PC REF / STOCK HAZ DOC REQD/ PARA
NO. NO NO. C DESCRIPTION NUMBER MA1 NO. UNIT NO.
006 C UNION, lIPS, SB, 400#, MIL-F-1183110- 9B4730 N 4/EA 3.2
14-A34, BRONZE 005425192
007 M 0-RING, 0.103"WX 1.549"ID (MEAN), MIL- 9B 5331
N
5/EA
3.2
R-8324811 -129 001675117
008 M 1" UNION GASKET, METALLIC & 9B 5330 N
4/EA
3.2
RUBBER, MIL-G-24748 TY.A, RETAINER 013596970
AND 0-RING,
009 M RUBBER SHEET, 118" X 36" X A/A, HH-P-
9B 5330 N
1/SY
3.2
151, CL.1, COMMERCIAL 003330313
010 C ELBOW, lIPS, 90 DEG, SR, SB, 400#, 9B 4730 N
3/EA
3.2
MIL-F-1183/5-05, BRONZE 005425144
011 C SHEET/PLATE, MONEL (QQ-N-281), 36" 9B 9535 N
6/SF
WIDTH X 24" LENGTH, TOTAL 6SF, 1/8" 014651103
11-1K, FOR ORIFICE
012 M WELDING ELECTRODE, 1/16" X 36", MIL-
9B 3439 Y i/BX 3.2
RN67, MIL-E-21 562, CL.2, GTAW 000888988
013 M BRAZINGALLOY, i/8"XO.050"X20", 9B3439 Y
1/LB
3.2 GRIll, STRIP, BCUP-5, QQ-B-654, 28 005288578
EA/LB
014 M BRAZING, O-F-499 TYPE B, GRIll & IV, 16
9B 3439 Y IIJR 3.2
OZ/JR 009148390
015 C HEXAGON H, BOLT, HEX, 1/2"-13UNC-2A 9B 5305 N
i0/E
3.2
X 2-3/4"LG X 1 -1/4"THD, M535311-118, 002269195
MONEL
016 C NUT, PLAIN, HEX, 1/2"-13UNC-2B, MIL-S-
9B 5310 N 10/E 3.2
1222 TY.I, STY.A ORB, MONEL 002725700
017 C BOSS 1" IPS, SWBASEXSWOUTLET, 9C4730 N
iIEA
3.2
5P485064-0705, CUNI7O/30 SAPYOO112
018 M PIPE COVERING, 1"IPS, 1-3/8' IDX3/4" 9Q5640 N
3/EA
3.3
THK X 6FT LG, 6FT/EA 5A4783096
019 M PIPE COVERING, SIPS, 5-1/2" ID X 3/4" 905640 N
1/BX
3.3
THKX 6 FT LG, 6FT/EA, U/I:2EA/BX 5A9607849
020 M PIPE COVERING, 6"lPS, 6-5/8" ID X 3/4" 9Q 5640 N
1/BX
3.3
THKX 6FT LG, 6FT/EA, U/I:2EA/BX 5A9607850
021 M SHEET, 314"THK X 3FT W X 4FT L, K-FLEX 905640 N
4/SH
3.3
EGO, NON HALOGEN RUBBER FOAM, SA9607854
U/l:85H/BX
022 M GLASS CLOTH, 5 FTWX5OYD, MIL-C-
9B8305 N 1/RO 3.3
20079H TY.I, CL.3, L/W 001487363
023 M ADHESIVE, WHITE, MIL-DTL-3316D CL.1, 9B 8040 Y
1/GL
3.3
GR.A 1GL/UI 002738708
024 M ADHESIVE, NEOPRENE, MIL-A-24179A 9B 8040 Y
1/GL
3.3
TY.II, CL.1, 520, R-373, 1 GL/UI 005508835
025 C BOLT, 5/8"-11UNC2A-3.5LG, K-MONEL 9B 5306 N
4/EA
3.2
013342812
026 C NUT, 5/8"-11UNC-2B, PLAIN, HEAVY HEX, 9Z5310 N
4/EA
3.2
MIL-DTL-1 222, TYPE-Ill, K-MONEL 5A4578532
027 C BOLT, MONEL, 5/8"-11UNC-2AX3-1/2"L, 9B5305 N
8/EA
3.2
MONEL 002269211
028 C NUT, PLAIN, HEX, 5/8"-11UNC-2B, MIL-S- 9B 5310 N
8/EA
3.2
1222 TY.I, STY.A ORB, MONEL 002725701
029 M UNION, 1/4"IPS, 803-4384536-1XX-31, MIL- 9B4820 N
2/EA
3.2
F-i 183, BRONZE 011524768
030 M 0-RING, 0.070"WX 0.676"ID (MEAN), MIL- 9B 5331 N
2/EA
3.2
R-83248/1-017, VITON 001660993
031 C COUPLING, lIPS, SW, 400#, 803- 9B 4730 N
2/Ei
3.2
6397430, CNA 70/30 014214718
1/5
Sakura.Yamaguchi.ja
Ship/HULL NO. Ship/HULL NAME ICN: Rev: Key Op:
LHA -7 USS TRIPOLI JON. 38DJA52102 AOl
TITLE:
Firemain Discharge Piping for No.14 Fire Pump; replace
ID:1.3.1 One Inch IPS Firemain Discharae Pinin
ENCLOSURE (A)
5/9.
Sakura.Yamaguchi.ja
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