SCOPE_OF_WORK_JP5PpngSystmMdfy_418.pdf

TCTO_XXXX_54200_TAB_0216_418

WORK ITEM 1: JP-5 Service and Stripping Piping Systems, Modify

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to remove existing accumulator and install new welded flanged to flow meters to JP-5 service piping. The Contractor shall also install sampling line and drain line to the JP-5 stripping system.

1.2 Government-furnished property.

None.

2. REFERENCES

COAST GUARD DRAWINGS

Coast Guard Drawing 750-WMSL-542-001, Rev F, JP-5 System Diagram Coast Guard Drawing 750-WMSL-542-015, Rev B, JP-5 System, Unit 3240 Coast Guard Drawing 750-WMSL-542-011, Rev C, JP-5 System, Unit 3120 Coast Guard Drawing 750-WMSL-631-002, Rev M, Paint Schedule (ASC631002)

COAST GUARD PUBLICATIONS

Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2014, General Requirements Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), 2014, Welding and Allied Processes Surface Forces Logistics Center Standard Specification 6310 (SFLC Std Spec 6310), 2014, Requirements for Preservation of Ship Structures

OTHER REFERENCES

Federal Standard FED-STD-595C, July 2008, Color Used in Government Procurement ASTM International (ASTM) F1138, Reapproved 2007, Standard Specification for Spray Shields for Mechanical Joints Manufacturers Standardization Society of the Valve and Fittings Industry (MSS), SP-58, 2009, Pipe Hangers and Supports – Materials, Design, Manufacture, Selection, Application and Installation

3. REQUIREMENTS

3.1 General.

3.1.1 CIR.

None.

3.1.2 Tech Rep.

Not Applicable.

3.1.3 Protective measures. The Contractor shall furnish and install all protective coverings to seal off and protect all non-affected vessel's components, equipment, and spaces near the work area against contamination during the performance of work. Upon completion of work, the Contractor shall remove all installed protective measures, inspect for the presence of contamination, and return all contaminated equipment, components, and spaces to original condition of cleanliness.

3.1.4 Interferences. The Contractor shall handle all interferences in accordance with SFLC Std Spec 0000, paragraph 3.3.5 (Interferences). Known interferences include, but are not limited to the following:

• Piping.

• JP-5 Fuel, For bidding purposes, estimate 10 gallons of fuel inside piping.

3.1.5 All welding, fabrication, brazing, inspection and associated process shall meet the requirements of SFLC Std Spec 0740.

3.1.6 Piping shall be painted and marked with identifying designation and flow arrows after installation in accordance with Coast Guard Drawing 750-WMSL-631-002.

3.1.7 Pipe hangers. Furnish, fit, and install new pipe hangers in accordance with MSS SP-58.

3.1.8 Spray shields. The Contractor shall install spray shield on flanged joints in accordance with ASTM-F-1138 or RAMCO Safety Shield or equal.

3.2 Operational test - initial. Prior to commencement of work, the Contractor shall witness Coast Guard personnel perform an initial operational test of all items or shipboard devices to be disturbed, used, repaired, or altered, to demonstrate existing operational condition. Submit a CFR.

3.3 Accumulator removal. The Contractor shall remove the accumulator located in the JP-5 Hose Room (1-84-4-A). Existing accumulator installation is shown in the Figure 1. Picture with removed accumulator is shown in the Figure 1A.

3.3.1 The Contractor shall supply material listed in the Table 1.

TABLE 1 – LIST OF MATERIAL

QUANTITY DESCRIPTION

1 Flange, 2 Inch, Cu-Ni ANSI B 16.5 1 Gasket,1/8 Inch Thick, 2 Inch, Synthetic Rubber

(MIL-C-6183 Type II Class 1, Grade C or Equal)

3.3.2 The Contractor shall install blank flange to at location of removed accumulator. Blank flange material and size shall be same size and bolt pattern to match removed accumulator. Install the blank flange with gasket and new fasteners.

3.3.3 The Contractor shall also remove all fittings, hangers, piping and supporting material associated with removed accumulator.

3.4 Flow meter modification. The Contractor shall remove existing flow meters with threaded connection and install flanges to flow meters listed in the Table 2. Follow SFLC Std Spec 0000 as needed to preserve and maintain system cleanliness.

TABLE 2 – LIST OF FLOW METERS

PIPE SIZE LOCATION COMPONENT REFERENCE FIGURE

1 ½ ” 3-64-2-E Transfer Flow Meter JPT-FM-001 Inlet (Liquid Controls Model M7A2) Figures 2&3

1 ½ ” 3-64-2-E Transfer Flow Meter JPT-FM-001 Outlet (Liquid Controls Model M7A2) Figures 2 &3

2” 3-64-2-E Service Flow Meter JPS-FM-001 Inlet (Liquid Controls Model M10A2) Figure 3

2” 3-64-2-E Service Flow Meter JPS-FM-001 Outlet (Liquid Controls Model M10A2) Figure 3

WARNING

Do not drain any fluids including fresh water, into any space, bilge, or exterior location.

3.4.1 Remove pipe sections from the inlet and outlet of each flow meter up to the nearest the union nut.

3.4.2 The Contractor shall supply material listed in the Table 3.

TABLE 3 – LIST OF MATERIAL

QUANTITY DESCRIPTION SUGGESTED SOURCE OF SUPPLY REMARKS

4 Fitting 1½ and 2 Inch, Stainless

Steel for Flow Meter M7 & M10 Liquid Controls Figure 5

3.4.3 The Contractor shall use the removed pipe sections to template/fabricate/modify the piping sections as needed to remove the threaded flange connections and to install new flanges with socket welded piping connections. See Coast Guard Drawing 750-WMSL-542-001for material specifications. Perform welding and NDI of new welds in accordance with SFLC Std Spec 0740.

3.5 JP-5 Sampling and drain line installation. The Contractor shall install sampling line and a drain line to the JP-5 stripping system as shown in the Figure 6 through Figure 8. Existing piping installation is shown on Coast Guard Drawing 750-WMSL-542-011 (Sheet 5: Elevation 7F & Sheet 7: Section 7B).

3.5.1 Sampling line installation. The Contractor shall install sampling line as shown in the Figure 9 & 11.

3.5.1.1 The Contractor shall supply material to install sampling line as shown in the Figure 10.

3.5.2 Drain line installation. The Contractor shall install drain line as show in the Figure 12 &14.

3.5.2.1 The Contractor shall supply material to install drain line as shown in the Figure 13.

3.6_Pipe flushing. The Contractor shall flush all new and disturbed piping with clean fresh water until all debris is removed but no longer than five minutes. Ensure flushing fluid is directed to move scale and foreign debris away from installed machinery to prevent possible damage upon operational testing.

Submit a CFR documenting date and time of flushing process and level of pipe cleanliness.

3.6.1 Dispose of flushing fluid in accordance with all applicable Federal, state, and local regulations.

3.6.2 Ensure all water is removed by blowing dry all flushed piping with dry, low-pressure air.

3.7 Reassemble piping system. The contractor shall reconnect the piping system. Use new gaskets and seals.

3.8 Label plates. The Contractor shall install label plates in accordance with Para 3.3.12 of SFLC Std Spec 0000.

3.9 Piping identification. The Contractor shall paint new and disturbed JP-5 piping in accordance with Fed Std 595 (i.e. Purple Color-17142).

3.10 Leak test. After completing all authorized mechanical (i.e. threaded, bolted, etc.) joint repairs, the Contractor shall test the JP-5 system's operation using the system fluid at normal operating pressure.

Ensure zero visible leakage from or deformation of mechanical parts by repairing all leaks and discrepancies. Submit a CFR.

NOTE

Coast Guard personnel will operate all shipboard machinery and equipment.

3.11 Operational test, post repairs. After completion of work, the Contractor shall thoroughly test, in the presence of the Coast Guard Inspector and demonstrate all items or shipboard devices that have been disturbed, used, repaired, altered, or installed to be in satisfactory operating condition. Submit a CFR.

3.12 Touch-up preservation. The Contractor shall prepare and coat all new and disturbed surfaces to match existing adjacent surfaces in accordance with SFLC Std Spec 6310, paragraph 3.1.13 (Touch-ups and minor coating repairs).

4. NOTES

FIGURE 1: VIEW OF ACCUMULATOR WITH EXISTING THREADED FLANGE CONNECTIONS.

FIGURE 1A: VIEW OF REMOVED ACCUMULATOR WITH BLANK FLANGE.

FIGURE 2: VIEW OF JP-5 FLOW METER (TRANSFER PUMP) WITH RED ARROW POINTING AT

EXISTING THREADED (INCORRECT) FLANGE CONNECTIONS

FIGURE3: VIEW OF JP-5 FLOW METER (TRANSFER PUMP) FLOW METER WITH GREEN

ARROROW POINTING AT REQUIRED WELDED (CORRECT) FLANGE CONNECTIONS

FIGURE 4: VIEW OF FLOW METER (JP-5 SERVICE PUMP) WITH EXISTING THREADED FLANGE

CONNECTIONS

FIGURE 5: SOURCE OF SUPPLY FOR FLOW METER FLANGES

FIGURE 6: SAMPLING LINE SHOWN IN YELLOW. DRAIN LINE SHOWN IN ORANGE.

FIGURE 7: SAMPLING LINE IS SHOWN IN YELLOW. DRAIN LINE AND FUNNEL ASSEMBLY IS

SHOWN IN ORANGE

FIGURE 8: SAMPLE LINE SHOWN IN YELLOW. DRAIN LINE SHOWN IN ORANGE.

FIGURE 9: SAMPLING LINE (SHOWN IN YELLOW) DETAILS

FIGURE 10: LIST OF MATERIAL FOR SAMPLING LINE

FIGURE 11: EXISTING DETAIL 312-018, PIPE P00060B TO BE CUT TO INSERT TEE FOR SAMPLING

LINE.

FIGURE 12: DETAILS FOR NEW DRAIN LINE CONNECTION

FIGURE 13: LIST OF MATERIAL FOR NEW DRAIN LINE

FIGURE 14: EXISTING PIPE SECTION (P00060A) TO BE CUT TO ADD NEW TEE FOR DRAIN LINE.