Bubbler_Van_Inspect_Service_-_CGC_MOBILE_BAY_(Rev-1).docx

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PORTABLE BUBBLER MACHINERY VAN, INSPECT & SERVICE
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HSCG85-15-Q-P45N01
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SFLC_WI_Template_Supply_ESD_5.20.2015

0515_MWC_140WTGB

103_MWC

Portable Bubbler Machinery Van, Inspect & Service

1. SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to inspect and service the portable diesel engine bubbler machinery van (i.e. “Bubbler Van”), as defined within this specification (Refer to Section 3 “Requirements”).

1.1.1 Bubbler Van. The term “Bubbler Van” is used to describe the portable bubbler machinery air system skid, consisting of the following components (including associated support equipment):

Diesel engine.

Compressed air blower.

Van enclosure and base / foundation.

All associated support equipment and components contained within the bubbler van enclosure (exhaust system, fuel system, lubrication system, electrical starting system, lighting system, control and alarm systems, monitoring system, etc)

1.1.2 Bubbler Van information.

1.1.2.1 Origin. Bubbler van was previously installed on USCGC MOBILE BAY.

1.1.2.2 Diesel engine. Detroit Diesel, Model 12V-71, Engine serial number: 12FV1824.

1.1.2.3 Blower. M-D Pneumatics Inc, Model 46 12036 6070, Blower serial number: 238R1G09.

1.2 Government-furnished property.

MTI
ITEM DESCRIPTION
NSN/PN
QTY
ESTIMATED COST

($/UNIT)

N
Blower exhaust expansion joint
1 ea.
???
N
Electric heater
1 ea.
???

*Government-loaned property, which shall be returned to the vessel upon completion of the availability.

**New or refurbished equipment that the Government may provide for installation in place of existing equipment.

***Government-furnished property, which is to be supplied by either the vessel or the C4IT Service Center.

2. REFERENCES

Coast Guard Drawings Coast Guard Drawing 101 WTGB 551-001, Rev F, Bubbler Compressed Air System Diagram Coast Guard Drawing 101 WTGB 551-002, Rev P, Bubbler Compressed Air System A&D Coast Guard Publications Coast Guard Technical Publication (TP) 3480, SWBS 554, Sections A thru D, Mar 2001, Bubbler Van Coast Guard Technical Publication (TP) 3480, SWBS 554, Sections E thru F, Mar 2001, Diesel Engine – V71 Service Manual and Parts Book Coast Guard Technical Publication (TP) 3481, SWBS 554, Sections A thru B, Mar 2001, Bubbler Van - Drawings 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 5000 (SFLC Std Spec 5000), 2014, Auxiliary Machine Systems Surface Forces Logistics Center Standard Specification 6310 (SFLC Std Spec 6310), 2014, Requirements for Preservation of Ship Structures Other References Cummins Northwest Inc - Power Systems Division, Drawing D-6445-1, dated January 1984 MIL-DTL-24244, May 2000, Insulation Material, With Special Corrosion, Chloride, and Fluoride Requirements MIL-I-16411, Nov 1988, Insulation Felt, Thermal, Glass Fiber MIL-Y-1140, Sep 1985, Yarn, Cord, Sleeving, Cloth, And Tape- Glass

3. REQUIREMENTS

3.1 General.

3.1.1 CIR. None.

3.1.2 Tech Reps. The Contractor shall provide the services of Qualified Technical Representatives who are familiar with the Detroit Diesel Model 12V-71 diesel engine and the M-D Pneumatics Inc Model 46 12036 6070 blower, to accomplish the following on site:

· Advise on manufacturer's proprietary information pertinent to the system.

· Ensure compliance with manufacturer's procedures and standards during system disassembly, inspection, and reassembly as applicable.

3.1.2.1 Ensure the Tech Rep has experience with the system/equipment stated above.

3.1.3 Protective measures - general. 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 following:

· See Tables 1 and 2.

NOTE

The Contractor can expect some residual fluids (fuel and lube oil) in the bubbler system. Drain and dispose of all fluids in accordance with federal, state, and local regulations.

3.1.5 Electrical work. The Contractor shall accomplish all electrical work in accordance with SFLC Std Spec 3042 and all testing of cables in accordance with SFLC Std Spec 3041. Existing wire ways shall be utilized for new cable runs as much as possible.

3.1.6 Tools and supplies. The Contractor shall provide all personnel, labor, materials, parts, tools (including special tooling), test equipment, test fittings, supplies, consumables, and equipment for accomplishment of tasks.

3.1.7 Parts. The Contractor shall use only new, Original Equipment Manufacturer (OEM)-approved parts for accomplishments of tasks. “Remanufactured” parts are acceptable if provided by OEM-authorized parts supplier certifying that the remanufactured parts have met the OEM-guidelines for reusability. The Contractor shall cover all core charges and ensure the cores are returned to the distributor.

NOTE

Refer to Coast Guard TP-3480 (Sections D and F) for additional parts information.

3.1.8 References. The Contractor shall perform all tasking in accordance with manufacturer’s instructions, referring to Section 2 “References” for additional guidance.

3.1.9 Operational test – prior to work. Prior to commencement of work, the Contractor shall witness Coast Guard Personnel perform an initial operational test of the Bubbler Van to demonstrate existing operational condition. Submit a CFR.

3.2 Transportation. The Contractor shall transport the Bubbler Van to the Contractor’s facility. Upon completion of work, the Contractor shall transport the Bubbler Van back to the Coast Guard facility.

Pick-Up Location: 36 South Neenah Ave. Sturgeon Bay, WI.

Drop-Off Location: 36 South Neenah Ave. Sturgeon Bay, WI

NOTES

1. The Contractor shall be responsible for providing crane services to load/unload the Bubbler Van during pick-up and drop-off.

2. Contractor must use a spreader bar to lift Bubbler Van. The spreader bar is available with the Bubbler Van. The spreader bar must be connected to the lifting eyes on the frame only. Do not lift with the lifting eyes on the top of the Bubbler Van. Those are for lifting the van cover off the frame.

3.3 Inspection and service particulars. The Contractor shall accomplish all tasks designated in Table 1 below. Upon completion of Table 1 tasks, submit a CFR (documented by Task #) including all results.

NOTE

Contractor may elect to submit separate CFRs for individual tasks as necessary to ensure progress of work.

TABLE 1 – required tasks

Task#
TASK TYPE
COMPONENT OR ASSEMBLY
TASK Description
additional information

DIESEL ENGINE

1
Test
Diesel Engine
Test and demonstrate the engine to be in satisfactory operating condition in accordance with manufacturer’s recommendations.
Repair all leaks.
2
Inspect and Clean
Diesel Engine Exhaust
Visually inspect all exhaust piping and spark arrestor. Clean the interior surfaces to a condition free from soot, tar, and any other foreign matter.
Interferences: Exhaust blankets.
3
Test
Radiator
Pressure test, ensuring no leakage from or permanent deformation of pressure-containing parts by repairing all leaks and discrepancies.
1. IAW SFLC Std Spec 5000, Appendix C, Paragraph C2.7 (Heat exchangers and fluid coolers).

2. Accomplish testing in presence of CG Inspector.

4
Inspect
Radiator Assembly
Visually inspect the fan blade, guard, grille, and frame.
5
Inspect and Test
Engine Mechanical Shutdown
Visually inspect the diesel engine mechanical shutdown device. Test the shutdown can secure the engine.

BLOWER

6
Test
Blower
Test and demonstrate the blower to be in satisfactory operating condition in accordance with manufacturer’s recommendations.
Note: This Blower has a known vibration that needs to be corrected.
7
Inspect and Clean
Blower Outlet Air Silencer
Remove and visually inspect the blower air silencer. Clean the interior surfaces to a condition free from dirt, debris, and any other foreign matter.
8
Inspect and Test
Clutch
Visually inspect the clutch. Test and demonstrate the clutch to be in satisfactory operating condition in accordance with manufacturer’s recommendations.
Note: Declutch operation not functioning.

VAN ENCLOSURE AND FOUNDATIONS

9
Inspect
Enclosure
Visually inspect the van enclosure and all associated structures (i.e. doors, louvers, lifting eyes, piping penetrations, mounts, brackets, etc)
Note: Check for water leaks in overhead. Currently there exists a leak.
10
Inspect
Foundations
Visually inspect the van enclosure base and the blower-engine skid foundation.

MISCELLANEOUS

11
Inspect and Clean
Fuel Service Tank
Clean tank interior surfaces free of all foreign materials, such as sediment or sludge. Inspect all tank interior surfaces.
1. Tank Capacity: 100 Gallons

2. Dispose of residual tank contents and all cleaning fluids in compliance with all applicable Federal, state, and local laws, ordinances and regulations

12
Inspect and Test
Electrical wiring, cabling, and connections
Visually inspect all electrical wiring, cabling, and connections for evidence of deterioration or chaffing. Perform insulation resistance tests on all wiring IAW SFLC Std Spec 3041.
Includes control and power umbilicals.
13
Inspect and Clean
Electrical Panels and Controllers
Visually inspect and clean all electrical panels and controllers.
1. Includes 24V, 115V, and 450V distribution panels.

2. Includes pump controllers and associated control boxes.

14
Test
Instrument Panel
Test all gauges, lights, and indicators for functionality.
15
Test
Smoke and Fire Detection System
Test the smoke and fire detection system.

3.4 Additional requirements. In addition to the tasks specified in Para 3.3 (Table 1), the Contractor shall accomplish the additional task(s) marked with an “X” in Table 2 below. Upon completion of each designated task in Table 2, submit a CFR (documented by Task #) including all results.

TABLE 2 – Additional tasks

“X”
Task #
TASK TYPE
COMPONENT OR ASSEMBLY
TASK Description
additional information

DIESEL ENGINE

1
Dyno Test
Diesel Engine
Test and demonstrate the engine to be in satisfactory operating condition in accordance with manufacturer’s recommendations.
Engine dynamometer test with engine removed from the skid. Record engine parameters IAW TP-3480-E (Section 13.2.1 “Engine Run-In Test Report”)
X
2
Tune-up
Diesel Engine
Tune-up the diesel engine IAW OEM instructions.
Refer to TP-3480-E (Section 14)
3
Overhaul
Diesel Engine
Overhaul the diesel engine IAW OEM instructions.
X
4
Renew
Diesel Engine Exhaust Blankets
Install new insulation on all exhaust components, including fittings, flanges, flex pipe, silencers, and piping using custom-built, removable blankets.
Blankets shall meet the following requirements:

• Blankets are fabricated in four plies.

• First (inside) ply is made of 304 knitted stainless steel wire mesh.

• Second ply is fiberglass insulation material, conforming to MIL-I-16411, Type II.

• Third ply is a silica-based ceramic mat.

• Cold face or top covering is a high temperature, flexible, silicone-coated, silica fabric with harness satin weave conforming to MIL-Y-1140 and MIL-DTL-24244.

• All seams are secured with stainless 304 stainless steel lacing staples to facilitate field modifications and repairs.

• Blankets are cross-laced in place with stainless steel tie wire to ensure tight fit.

X
5
Renew
Flex Coupling
Renew the diesel engine to blower flexible coupling.
6
Renew
Hot Starts
Renew the diesel engine hot starts.

BLOWER

X
7
Overhaul
Blower
Overhaul the blower IAW OEM instructions.
X
8
Renew
Clutch
Renew the clutch.
X
9
Renew
Blower Expansion Joint
Renew the blower exhaust expansion joint.
Provided as GFE

VAN ENCLOSURE AND FOUNDATIONS

10
Repair
Van Enclosure
Repair approximately XX sq ft of van enclosure wall.
11
Renew
Van Enclosure Insulation
Renew approximately XX sq ft of sound absorptive insulation material
Coat the newly installed insulation using the system specified for “Insulation Surfaces, Fiberglass Sheet/Closed Cell PVC Foam” in SFLC Std Spec 6310, Appendix B (Cutter and Boat Interior Painting Systems).
12
Renew
Van Enclosure Door
Renew doors and associated hardware (Qty: 2)
13
Preserve
Van Enclosure Base
Prepare and coat the exterior foundation surfaces using the system specified for “Machinery, Deck, Option I” in SFLC Std Spec 6310
Top/ finish coat color: Gray
14
Preserve
Blower-Engine Skid Foundation
Prepare and coat the interior foundation surfaces using the system specified for “Bilges, Cofferdams, and Forepeaks, Steel, Option I” in SFLC Std Spec 6310
Top/ finish coat color: Black
15
NDE
Bubbler Van Base
Perform NDE on lifting eyes and weldments IAW SFLC Std Spec 0740, Appendix C.
If selected NDE method requires coating removal, perform subsequent touch-up preservation in accordance with SFLC Std Spec 6310, paragraph 3.1.13 (Touch-ups and minor coating repairs).
X
16
Renew
Vibration Isolators
Renew the skid mount vibration isolators (8 total).

MISCELLANEOUS

17
Renew
Expansion Joint
Renew the expansion joint from the bubbler to the ship deck.
18
Renew
Battery Charger
Renew battery charger.
X
19
Renew
Batteries
Renew batteries (2 total)
X
20
Renew
Hoses
Renew all flex hoses.
21
Renew
Lighting Fixtures
Renew lighting fixtures (2 total).
X
22
Renew
Electrical Wiring
Renew electrical wiring.
X
23
Renew
Heater
Renew electric heater.
Provided as GFE

3.5 Authorized additional work. The Contractor shall provide a CFR for any additional work resulting from inspections and testing. No additional work shall be conducted until authorized by the KO or COR via Change Request.

4. QUALITY ASSURANCE

4.1 Operational test – completion of work. After completion of work, the Contractor shall thoroughly test and demonstrate (in the presence of the Coast Guard Inspector) the engine & blower system to be in satisfactory operating condition under load. The Contractor shall deliver a test report, Appendix A, within seven (7) calendar days after completion of tests. The test report shall consist of the data obtained during testing. One copy of the test report shall be packed and delivered with the Bubbler Van.

4.2 Documentation. The Contractor shall submit a CFR that provides an itemized list of all new and remanufactured parts used in support of tasking. This shall include OEM part names and part numbers for configuration management tracking.

5. PACKING, MARKING, AND SHIPPING

5.1 Preparation for return. Upon Coast Guard acceptance of operational testing (Para 4.1), the Contractor shall prepare the Bubbler Van (diesel engine and blower) for return to the USCG as follows:

5.1.1 Fuel and lube oil. Drain and dispose of all fluids in accordance with federal, state, and local regulations.

5.1.2 Engine coolant. Drain and refill the engine coolant in accordance with manufacturer’s instructions.

5.1.3 Filters. Renew all fuel and lube oil filters.

5.2 USCG notification for final acceptance. The Contractor shall provide notification to the Coast Guard least ten (10) calendar days prior to scheduled shipment of the Bubbler Van. This is intended to provide final acceptance of the Bubbler Van.

6 NOTES

This section is not applicable to this work item.

Page 8 of 9 Rev-1

APPENDIX A – BUBBLER (ENGINE / BLOWER) TEST REPORT

Date: ______________________ Engine Serial Number _________________________ Contract Number: ______________________ Blower Serial Number _________________________ Contractor Representative: _____________________________ USCG Representative _________________________

A. LIGHT-OFF

Step 1 PRE LUBE OIL SYSTEM FILLED (Sat/Unsat)
Step 2 FUEL SYSTEM PRIMED (Sat/Unsat)
Step 3 IDLE SPEED –DECLUTCHED (700-800 RPM)
Step 4 ADJUST GOVERNOR- DECLUTCHED (725-745 RPM)
Step 5 ADJUST GOVERNOR- CLUTCHED (1640 RPM)

B. OPERATIONAL INSPECTIONS

ATTRIBUTE
RESULTS

(SAT/UNSAT)

COMMENTS

1. Inspect for lube oil leaks (engine and blower).

2. Inspect for fuel oil leaks (engine).

3. Inspect for jacket water leaks (engine).

4. Clutch & declutch function operates smoothly.

5. Engine and blower operate without vibration, unusual noises, etc.

C. OPERATIONAL TEST

TIME
ENGINE
BLOWER
START
STOP
RPM
LO Pressure
LO Temp
JW Pressure
JW Temp
Fuel Pressure
Air Discharge Temp
Air Pressure
Air Capacity
1640 RPM (Nominal)
10-65 psi
30-205 oF
3-60 psi
100-210 oF
15-60 psi
350 oF (max)
0-12 psi

(9 psi nominal) 7600 CFM @ 9 psi (Refer to Pressure Performance Curves)

Additional Comments:

Page 9 of 9 Rev-1

File details come from the government source that posted it. Updated .