- ITEM 1: Folding Boom Cranes, Biennial Maintenance, Perform
1. SCOPE
1.1 Intent. This work item describes the requirements for the Contractor to inspect and test folding boom cranes listed in Table 1.
TABLE 1 – LIST OF FOLDING BOOM CRANEs
crane
LOCATION
MANUFACTURER / MODEL NUMBER
coast guard tech pub
Crane No.2 (Port Aft Near)
port aft near)
Main Deck, Port Side, AFT of Frame 90
Appleton Marine Inc. / FB90-28, S/N 20501-2
7903
Crane No.4 (Port Aft Far)
port aft near)
Main Deck, Port Side, AFT of Frame 90
Appleton Marine Inc. / FB90-28, S/N 20501-4
7903
Crane No.3 (Starboard Aft)
port aft near)
Main Deck, STBD Side, AFT of Frame 90
Appleton Marine Inc. / FB90-28, S/N 20501-3
7903
1.2 Government-furnished property.
MTI
ITEM DESCRIPTION
NSN/PN
QTY
ESTIMATED COST ($/UNIT)
Y
*CB-OTH Mark IV
(Coast Guard Drawing 26B-CB-IV-801-001)
N/A
1 ea.
N/A
Y
*Long Range Interceptor II
(LRI-II) Cutter Boat
N/A
1 ea.
N/A
*Government-loaned property, which must 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 418A-WMSL-801-001 Rev B, Booklet of General Plan
Coast Guard Drawing 418A-WMSL 801-001, Rev A, Booklet of General Plans
Coast Guard Drawing 750-WMSL-100-083 Rev A, General Arrangements NSC5 & Follow (AS5100001)
Coast Guard Drawing 750-WMSL-801-010 Rev A, Booklet of General Plan NSC 5 ONLY (ASC8011001E)
Coast Guard Drawing 750-WMSL-100-531, Rev D, Structural Mods Iwo New Aft Folding Cranes, Hamilton, James & Munro
Coast Guard Drawing 750-WMSL-320-579, Rev -, Electrical Installations Iwo New Aft Folding Cranes
Coast Guard Drawing 750-WMSL-583-508, Rev -, Installations IWO Aft Folding Cranes
Coast Guard Fleet Drawing FL-1702-11, Rev -, Inspection of Sheaves
Coast Guard Publications
Coast Guard Technical Publication (TP) 7903, SWBS 583, Apr 2019, Aft Boat handling system –Model FB90-28
Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2022, General Requirements
Surface Forces Logistics Center Standard Specification 5000 (SFLC Std Spec 5000), 2022, Auxiliary Machine Systems
Surface Forces Logistics Center Standard Specification 6310 (SFLC Std Spec 6310), 2022, Requirements for Preservation of Ship Structures
Other References
The Society for Protective Coatings (SSPC) Surface Preparation Specification No.11 (SSPC-SP 11), 2013, Power Tool Cleaning to Bare Metal
ANSI/EASA Standard AR100-2020, Recommended Practice for the Repair of Rotating Electrical Apparatus.
3. REQUIREMENTS
3.1 General.
3.1.1 CIR. The Contractor must submit a CIR for the inspections listed in the following paragraph(s):
- 3.2 (Inspect and repair task particulars) – Task #1, #2, #3 and #7.
3.1.2 Tech Rep. The Contractor must provide the services of a Qualified Technical Representative who is familiar with the Folding Boom Cranes (i.e. Appleton Marine Inc. Model FB90-28) 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 inspections, repairs, calibration and testing.
3.1.2.1 Ensure the Tech Rep has experience with the system/equipment stated above and demonstrated on their résumé.
3.1.2.2 Submit the name and résumé of the Tech Rep to the COR at the Arrival Conference.
3.1.3 Protective measures. The Contractor must furnish and install all protective measures in accordance with SFLC Std Spec 0000, paragraph 3.3.3 (Vessel component, space, and equipment protection).
3.1.3.1 Protective measures, hydraulic system(s). Maintain existing hydraulic system cleanliness and take all necessary precautions to prevent the introduction of contaminants into the hydraulic system. Immediately after disconnecting or removing components from the hydraulic system, seal all openings to the rest of the system using caps for externally threaded connection points, bolt-on blanks, or taped-on discs/covers made of durable plastic or sheet-metal that is no less than 1/16-inch thick.
3.1.4 Interferences. The Contractor must 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:
NOTE
Coast Guard personnel will operate all shipboard machinery and equipment.
3.2 Operational test, initial. Prior to commencement of work, the Contractor must 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 Inspect and repair task particulars. The Contractor with Tech Rep support must perform tasks listed in Table 2 in accordance with SFLC Std Spec 5000 and TP 7903. See applicable drawings and Tech Pub in Section 2 for technical information and installation details.
Table 2 – Task List
ADDITIONal REQUIREMENTS
#
TASK TYPE
QTY
COMPONENT OR ASSEMBLY
APPENDIX AND PARA. FROM sflc STD sPEC 5000
OTHER
Tech Pub 7903
1
Operate and Inspect
3
Folding Boom Crane
3.2.1
Submit a CIR. Document the existing software program/version
2
Operate and inspect
1
Chest Pack (Chest Pack Controls and Junction Boxes)
3.2.1
Submit a CIR.
Note: There is one chest pack. It should be rotated between all three cranes.
3
Operate and inspect
1
Control Console
3.2.1
Submit a CIR.
4
Service and inspect
3
Crane Assembly
3.2.2
Perform all preventive maintenance actions as indicated on Table 4-1 of CG TP 7903, regardless of specified interval. Inspect hydraulic hoses for leaks, abrasions, swelling and defects. Inspect entire Folding crane assembly for signs of leakage, cracks, structural damage and deformations. Submit a CFR.
5
Service and inspect
3
Cranes (Mechanical/Hydraulic)
Inspect Swing Drives, Swing Motor, Swing Manifold, Hydraulic Swivel, Slew Bearing, Slew Bearing Gear, Slew Bearing Bolts, Slew Bearing Wear Inspection, Main Control Manifold, Wire Rope, ELR Manifold, Heel Pins, Jib Pins, Telescope Cylinders, Slide Pads, Jib and Luffing Cylinders, Sheaves, Crane Block Assembly, 10 Ton Hook, Snatch Block, Winch, Constant Tension System, Overhaul Ball. Fasteners, Submit a CFR.
6
Partially Preserve
3
Folding Boom Crane Assembly
3.2.4, 3.2.4.3.2, 3.2.4.4, and 3.2.4.5.1
Perform in accordance with paragraph 3.3 of this work item.
7
Groom and Lubricate
3
Folding Boom Crane Assembly
3.2.6
Perform all of the lubrication requirements specified in Tables 4-3 and 4-4 of CG TP 7903.
8
Hydraulic Lube Oil Analysis
3
Hydraulic System
C2.1.3.1
Submit a CIR.
9
Hydraulic Power Unit (HPU)
1
Hydraulic System
C2.1.3.1
Inspect Prime Mover/Link Motor, HPU Pumps, HPU Reservoir, HPU Tank Heaters, Oil Cooler, HPU Manifold and hoes. HPU Temperature Transmitter, HPU Display, HPU Controls, Joysticks and Control Cabinet in accordance with TP 7903
10
System Relief Valves, Stiches and Indicators
1
Hydraulic System
In accordance with TP 7903, Verify set points, adjustment and calibration on :
- Pump Compensator Relief Valve
- System Relief valve.
- Winch Limit adjustment.
- Load Monitor Indicators
- Crane Position Indicators
- Submit a CFR.
11
Disassemble and Inspect
1
Hydraulic Oil Heat Exchanger
3.2.3
Disassemble to the minimum extent necessary to clean the heat exchanger.
12
Aft Boat Hydraulics Crane Motor A and B
2
Hydraulic System
Perform Insulation Resistance Test in accordance with ANSI/EASA AR 100-2020.and Section 3 of TP 7903 Submit a CFR.
13
Cranes
3
Electrical
Inspect Load Pin, Boom Angle Transducer, Jib Angle Transducer, Swing Angle Encoder, Length Transducer, Turret Enclosure, Flood lights and Electrical Cables
14
Operational and Weight Test
3
Folding Boom Crane Assembly
Perform in accordance with paragraph 3.5 of this work item.
15
Fabricate and Install
3
Label plate
B2.9
Name Plate must also include additional information of Dynamic Load Test, Brake Test and WLL Weights.
3.3.1 Materials. The Contractor must provide all parts (i.e. all greases, lubricating oils, hydraulic fluid, hydraulic oil filters, tank breather elements and other miscellaneous materials) and materials including, but not limited to, the items listed in Table 3 below, to conduct the required maintenance actions listed above.
TABLE 3 – List of pARTS
QUANTITY
PART NUMBER
DESCRIPTION
SOURCE OF SUPPLY
1
YMD-8861-R
HPU Hydraulic Return Filter
Appleton Marine Inc.
1
YMD-10416
HPU Hydraulic Return Filter
2
YMD-12209-R
Pressure Filters (For Crane No.2 & 4)
1
YMD-12234-R
(0280D005BH4HC)
Pressure Filters (For Crane No.3)
1
YMD-12234-R
(0060D005BH4HC)
Pressure Filters (For Crane No.3)
3.3.2 Hose inspection. The Contractor must visually inspect the condition of all flexible hoses and submit a CFR with the following:
- Hose physical condition
- Service life dates (date for required hose renewal; if not specified, add eight years to installation date)
3.3.2.1 If not present, the Contractor must provide new hose tags, in accordance with SFLC Std Spec 5000, Paragraph C2.2.1.4. Ensure tag color coding of black on natural or black on white. Ensure that tags must be attached using materials that will not damage hose assembly in any way, or interfere with the normal flexing motion of the hose.
3.3.2.2 The Contractor must stamp, engrave, or etch the following information on each tag. Hand written information on each Tag is NOT acceptable. Utilize the Cutter’s hose log for information as necessary.
- Hose Log Item Number (Serial Number)
- Hydrostatic Test Pressure (psi)
- Hydrostatic Test Date (DD/MM/YY)
- Service Life (Replacement Date) Date (QTR "Q"/FY)
3.4 Preservation Requirements. The Contractor must perform the following work to accomplish the first bulleted requirement of SFLC Std Spec 5000 (Para 3.2.4.3.2).
3.4.1 All other requirements as specified from SFLC Std Spec 5000 regarding “Partially Preserve” remain applicable.
3.4.2 In addition to partial preservation, abrade entire crane surface and provide aesthetic top coat.
NOTE
Coast Guard personnel will operate all shipboard machinery and equipment.
3.5 Operational and weight testing. The Contractor must perform the Appleton Marine Inc. “Start-up and Overhaul Test Procedure”, Appendix A of CG TP 7903 (i.e. Items 1-10). Static test (Item 2.1) is not required. Perform all testing with cutter at or near 0-degree trim and 0-degrees list. Record and provide all testing data of Appendix A, CG TP 7903 via a CFR. Utilize test weights that will ensure the boom can be extended horizontal in the notch.
Note
Certain water weight bags may be too large to fit within the notch. Ensure test weights are able to fit within the notch to accomplish all testing.
3.5.1 The Contractor must supply weights and a certified dynamometer to conduct load testing. Perform all testing in the presence of the Coast Guard Inspector and the Tech Rep.
CAUTION
Do not exceed the Working Load Limit (WLL) of the cranes for any of the tests listed in Appendix A, CG TP 7903. Exceeding the WLL could result in equipment damage and/or personnel injury.
3.5.2 Upon successful completion of the load testing, operational testing must be performed using the various GFP small boats in accordance with the test procedure detailed in Appendix A, CG TP 7903.
3.5.3 Operational test, post repairs. After completion of work, the Contractor must 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.
3.6 Touch-up preservation. The Contractor must prepare and coat all new and disturbed exterior and interior surfaces to match existing adjacent surfaces, in accordance with SFLC Std Spec 6310. Abide by all touch-up requirements outlined in SFLC Std Spec 6310.
4. NOTES
This section is not applicable to this work item.
