9P45J88_SOW_TCTO_TM2050_52100_FirePmpRplc_210_(002)_(003).doc

TCTO_TM2050_52100_JAN_0119_210

WORK ITEM 1: Fire Pumps, Replace

RFQ NR 70Z080-19-Q-P45J8800

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to remove and dispose of the existing fire pumps and to install new fire pumps in the hold level of the Auxiliary Machinery Space (Compartment 4-156-0-E), and the Engine Room (Compartment 4-108-0-E).

1.2 Government-furnished property.

($/UNIT)

2. REFERENCES

Coast Guard Drawings

Coast Guard Drawing 618 WMEC 182-002, Rev Y, Foundations In Engine Room

Coast Guard Drawing 627 WMEC 182-002, Rev G, Foundations In Engine Room

Coast Guard Drawing 618 WMEC 185-002, Rev F, Foundations For Refrigeration Compressor Condenser Unit & Misc. Foundations in Aux Machinery Space 4-156-0-E

Coast Guard Drawing 627 WMEC 527-001, Rev B, Diagram Fire Main, Sprinkling & Washdown

Coast Guard Drawing 627 WMEC 635-002, Rev B, Sheathing And Insulation

Coast Guard Publications

Coast Guard Technical Publication (TP) 4035, Fire Pump

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 3041 (SFLC Std Spec 3041), 2014, Shipboard Electrical Cable Test

Surface Forces Logistics Center Standard Specification 3042 (SFLC Std Spec 3042), 2014, Shipboard Electrical Cable Removal, Relocation, Splice, Repair, and Installation

Surface Forces Logistics Center Standard Specification 6310 (SFLC Std Spec 6310), 2014, Requirements for Preservation of Ship Structures

Other References

ASTM International (ASTM) F1387, 2012, Standard Specification for Performance of Piping and Tubing Mechanically Attached Fittings

Manufacturers Standardization Society of the Valve and Fittings Industry (MSS), SP-58, 2009, Pipe Hangers and Supports – Materials, Design, Manufacture, Selection, Application and Installation

MIL-S-22698, Aug 2002; Steel Plate, Shapes and Bars, Weldable Ordinary Strength and Higher Strength: Structural

Flowserve 71569102, Feb 2002, User Instructions Manual

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 in the vicinity of 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 below-listed:

NOTE

New Fire Pump assembly is 63 inches tall. The JP-5 pump room has limited vertical clearance to move pump into position.

· Wire ways

· Structure

· Piping

· Deck Plating

· Ventilation

· Electrical Cables

· Cable Racks

· Storage racks

· Work Bench

· Bulkhead and Pipe Insulation

· Fuel Injector Drip Tank

· Fuel Injector Drip Piping

3.1.5 Essential characteristics. A product equal to Lokring for the purposes of this work item, shall have the following essential functional characteristics:

· Product must eliminate the need to gas free the lines and tanks being required for hot work.

· Product must have the ability to be installed in a system that is not or cannot be thoroughly drained and dried.

· Product must eliminate the need to flush the modified lines (as would be required for brazing or welding).

· Product must have passed ASTM F1387 testing.

· Product must have NAVSEA, Coast Guard and ABS approvals.

· Product must have NAVSEA approval of stainless steel (SS/CRES) and 90/10 & 70/30 Copper Nickel (CuNi) fittings in fire hazardous services and systems for operating pressures to 3,300 psi (224 bar), and temperatures to 500° F (260° C).

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

3.3 Electrical requirements. The Contractor shall accomplish all electrical work in accordance with SFLC Std Spec 3042, and test cables in accordance with SFLC Std Spec 3041. Existing wireways shall be utilized for new cable runs as much as possible.

3.4 Pipe hangers. The Contractor shall furnish, fit, and install new pipe hangers in accordance with MSS SP-58.

3.5 Fire Pump removal. The Contractor shall remove both installed fire pumps including but not limited to all cabling, valves, and piping as shown on Coast Guard Drawing 618 WMEC 182-002, 618 WMEC 185-002, 627 WMEC 527-001 and as follows:

3.5.1 Power Cable removal. The Contractor shall disconnect and roll back all electrical wires from the fire Pumps back to pump controllers. Retain wire for later use.

3.5.2 Fire Pump Suction Piping removal. The Contractor shall remove and dispose of the suction piping for both fire pumps from the outlet of the sea water strainer flange to the fire pump suction flange.

3.5.3 Mandatory Turn-in Item (MTI), removal. The Contractor shall remove and turn over the following MTI to the Coast Guard PA:

· Fire Pumps and Motors

3.6 Engine Room Fire Pump Foundation modification. The Contractor shall furnish and install all material necessary to modify the former Engine Room fire pump foundation to accept the installation of the new fire pump as shown on Coast Guard Drawing 618 WMEC 182-002, Coast Guard Drawing 627 WMEC 182-002, Coast Guard Drawing 618 WMEC 185-002, 627 WMEC 521-001 and as follows:

3.6.1 The Contractor shall remove and discard as scrap the top plate of the Engine Room Fire Pump Foundation.

3.6.2 The Contractor shall fabricate and install a new Engine Room Fire Pump foundation top plate as shown on Coast Guard Drawing 618 WMEC 182-002, Coast Guard Drawing 627 WMEC 182-002, Coast Guard Drawing 618 WMEC 185-002, and in accordance with MIL-S-22698.

3.6.3 The Contractor shall fabricate and install reinforcing gussets under top plate overhang (2 places) as shown on Coast Guard Drawing 618 WMEC 182-002, Coast Guard Drawing 627 WMEC 182-002, Coast Guard Drawing 618 WMEC 185-002, and in accordance with MIL-S-22698.

3.6.4 The Contractor shall ensure the top plate has a top surface flatness of .015 inch per foot across the diagonal corners of the top plate in accordance with Flow Serve User Instructions Manual, 71569102.

3.7 Fuel Injector Drain Piping modification. The Contractor shall furnish and install all material necessary to modify and reroute the fuel injector drain piping impacted by the new Engine Room fire pump foundation.

3.7.1 Re-route piping leading to and from the fuel injector drain pump as needed to not interfere with the new Engine Room fire pump foundation.

3.7.2 Ensure all new piping connections are located in an accessible location for future maintenance requirements.

3.8 Foundation preservation. Upon completion of the necessary modifications and prior to the installation of the fire pumps, the Contractor shall prepare and coat all new and disturbed foundation surfaces, as applicable, to match existing adjacent surfaces in accordance with SFLC Standard Spec 6310, paragraph 3.1.13 (Touch-ups and minor coating repairs.)

3.9 Fire Pump installation. The Contractor shall install the new fire pumps on the foundations previously occupied by the fire pumps. The Contractor shall mount the new fire pumps on the foundations as shown on Coast Guard Drawing 618 WMEC 185-002 and in accordance with Flow Serve User Instructions Manual, 71569102.

3.9.1 The Contractor shall mount the Engine Room pump as far inboard as possible on the modified foundation so as to clear all pipes and wires above it.

3.9.2 The Contractor shall mount the Auxiliary Machinery Space Fire Pump centered on the existing foundation as shown on Coast Guard Drawing 618 WMEC 185-002.

3.9.2.1 The Contractor shall weld repair 4 (of 8) existing holes in way of new holes in the Auxiliary Machinery Space Fire Pump foundation.

3.9.3 The Contractor shall bore four (4) new 13/16 inch holes as required to match the new fire pump bases.

3.9.4 The Contractor shall provide and install all new hardware to mount the new pumps to the foundation. Mounting hardware shall be 316 CRES ¾”-10 x 3 1/2“ long.

3.9.5 The Contractor shall route and connect electrical wires from pump controllers to new fire pumps.

3.9.6 The Contractor shall modify the existing discharge piping to connect the fire main piping to the new 2-inch fire pump discharge flange as detailed in Coast Guard Drawing 627 WMEC 527-001.

3.9.6.1 The Contractor shall modify the restricted orifices in the discharge by increasing the diameter of the hole from .199 inch to .289 inch.

3.9.7 The Contractor shall furnish and install a new 3-inch suction piping, from the sea water strainer to the fire pump suction flange as shown in Coast Guard Drawing 627 WMEC 527-001.

3.9.7.1 The Contractor shall re-route the new suction piping for the Engine Room fire pump along the bulkhead to permit locating the fire pump as far inboard as possible on the foundation.

Warning

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

3.10 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.

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

3.11 Operational test, specific. Prior to energizing the fire pump the Contractor shall perform a final pump and motor alignment check in accordance with Flow Serve User Instructions Manual, 71569102. Submit CFR.

3.11.1 Operational test, post repairs. After completion of work, the Contractor shall thoroughly test both fire pumps in the presence of the Coast Guard Inspector and demonstrate each pump independently provides 125 PSI with two 1-1/2 inch fire hoses in simultaneous use outfitted with Coast Guard Vari-pattern 1-1/2” nozzles in straight stream setting. Submit a CFR.

3.12 Thermal insulation renewal. The Contractor shall renew any damaged or removed sheathing and insulation material as shown on Coast Guard Drawing 627 WMEC 635-002.

3.13 Touch-up preservation, general. The Contractor shall prepare and coat all new and disturbed exterior and interior surfaces, as applicable, to match existing adjacent surfaces in accordance with SFLC Standard Spec 6310, paragraph 3.1.13 (Touch-ups and minor coating repairs.)

3.14 Pipe labeling. The Contractor shall accomplish the following:

3.14.1 Stencil the following onto the pipe surfaces:

· Name of the piping system service.

· Destination, where feasible.

· Direction of flow, indicated by an arrow three inches long pointing away from the lettering (for reversible flow, point an arrow away from each end of the lettering).

3.14.2 Ensure all lettering and arrow(s) are as follows:

· In general, black color except white for dark-colored piping.

· Applied in conspicuous locations and preferably near control valves.

3.15 Operational test, post repairs. After completion of work, the Contractor shall witness an operational test (by Coast Guard personnel) of all other items or shipboard devices (besides the new fire pumps) that have been disturbed, used, repaired, altered, or installed, to prove that they are in satisfactory operating condition. Submit a CFR.

3.15.1 Hydrostatic test. After all authorized repairs, the Contractor shall hydrostatically test all new and disturbed piping and components in accordance with SFLC Std Spec 0740, Appendix C, Hydrostatic Test. Ensure zero leakage from or permanent deformation of pressure-containing parts by repairing all leaks, deformations, and discrepancies. Submit a CFR.

4. NOTES

4.1 OEM Drawings. The Coast Guard upon request will provide the Flow Serve drawings, and User Instructions Manual.