FOWARD(WMEC_270B)_DS_LNM_R0.pdf
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USCGC FORWARD (WMEC-270B) Specifications for Dockside Repairs 2011
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USCGC FOWARD (WMEC-270B)
SPECIFICATIONS FOR DOCKSIDE REPAIRS
Developed By Louis Mikedis
(Rev-0, 1 February 2011)
USCGC FOWARD (WMEC-270B) DOCKSIDE AVAILABILITY 2011
TABLE OF CONTENTS
Work Item Title Page
Revisions Record ii
Consolidate List of References iii
Consolidated List of Government-furnished Property v
Consolidated List of Critical Inspection Items vi
Principal Characteristics vii
General Requirements 1
Work Item 1: Ship Service Diesel Generator, Clean & Inspect 14
Work Item 2: Emergency Diesel Generator, Clean & Inspect 17 i (Revision-0)
Revisions Record
This page is used to record specification revisions, which may have occurred subsequent to a Revision 0 (Rev-0) package. Information listed is intended to provide contractors and field unit personnel a means to ensure all the current specification revision pages are present when reviewing or utilizing this specification package.
DATE REV# WORK
ITEM#
CHANGES MADE
NOTE : All work item and paragraph numbers listed above for a given revision correspond to same numbers in the previous revision. This revised specification is self-contained with all of the above listed changes incorporated.
ii (Revision-0)
Consolidate List of References
The below-listed documents form a part of this specification to the extent specified herein.
Approval/publication dates or revision dates/numbers are also identified, to ensure that same document versions are used at time of specification writing and during contract execution.
All Coast Guard drawings, technical publications, and standard specifications will be provided to contractors, by the Coast Guard at an appropriate time, or upon request, free or charge.
• Other Government documents may be accessed – free of charge – as follows:
• MIL/DOD/CID Specifications: http://www.assistdocs.com/search/search_basic.cfm
• Commandant Instruction Manuals: http://www.uscg.mil/directives/default.asp
• Public Laws, Code of Federal Regulations, U.S Codes, and other Federal Government laws::
www.gpoaccess.gov
The Government is aware of the following internet web links where contractors may procure commercial specifications:
• American Welding Society (AWS) http://www.awspubs.com/index.php
• ANSI, ASTM, IEEEE, NFPA, ASME, SAE Standards: http://www.techstreet.com/
• NFPA: http://www.nfpa.org
• SSPC Standards and pictorial guides: http://shopping.netsuite.com/sspcmarketplace
COAST GUARD DRAWINGS
None
GUARD PUBLICATIONS
Coast Guard Technical Publication (TP) 2702, Manufacturer's Information Book – SWBS
Group(s) 312 Coast Guard Technical Publication (TP) 2820A, Manufacturer's Instruction Book – SWBS
Group(s) 311 Coast Guard Commandant Instruction (COMDTINST) M10360.3C, Change 1, Jun 2006, Coatings and Color Manual Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), Jan 2009, General Requirements Surface Forces Logistics Center Standard Specification (SFLC Std Spec) 0450, Jan 2009, Electrical Power for Contractor’s Tools & Equipment Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), Jan 2009, Welding and Allied Processes Surface Forces Logistics Center Standard Specification (SFLC Std Spec) 3100, Jan 2009, Inspect, Test and Recondition AC Synchronous Machines In-Place iii (Revision-0) http://www.assistdocs.com/search/search_basic.cfm http://www.uscg.mil/directives/default.asp http://www.gpoaccess.gov/ http://www.awspubs.com/index.php http://www.techstreet.com/ http://www.nfpa.org/ http://shopping.netsuite.com/sspcmarketplace
OTHER REFERENCES
ASTM International (ASTM) D4417, 2003, Standard Test Methods for Field Measurement of Surface Profile of Blast Cleaned Steel
Commercial Item Description (CID) A-A-59316, Nov 2003, Abrasive Materials for Blasting Code of Federal Regulations (CFR) Title 33 CFR, 2008, Navigation and Navigable Waters Code of Federal Regulations (CFR) Title 40, Chapter I, 2008, Environmental Protection Agency Code of Federal Regulations (CFR) Title 49, Chapter I, 2008, Pipeline and Hazardous Materials
Safety Administration, Department Of Transportation MIL-A-22262, Mar 1996, Abrasive Blasting Media Ship Hull Blast Cleaning The Society for Protective Coatings (SSPC) VIS 1, 2004, Guide and Reference Photographs for
Steel Surfaces Prepared by Dry Abrasive Blast Cleaning iv (Revision-0)
Consolidated List of Government-furnished Property
The following is a list of property, which the Government will furnish. This list supersedes any other material obligations indicated or implied by referenced drawings.
WORK
ITEM
MTI ITEM DESCRIPTION NSN/PN QTY ESTIMATED
COST
($/UNIT)
NONE
*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 v (Revision-0)
Consolidated List of Critical Inspection Items
The following is a list of work items, which contain Critical Inspection reports, which the Contractor must complete within the first 25% of the availability contract period (see SFLC Std Spec 0000_STD, paragraph 3.2.6.5 (Inspection report particulars)):
Work Item Title
This section is not applicable to this package.
vi (Revision-0) vii (Revision-0)
Principal Characteristics
PC_270B_WMEC_0909
270' WMEC (B Class)
PHYSICAL CHARACTERISTICS
Length Overall 270' 0"
Depth 33' 3"
Maximum Beam 38' 5/8"
Frame Spacing 1' 0"
Full Load Draft 13.85'
Full Load Displacement 1825.64 long tons
Shore Tie Voltage Requirements 450 vac, 400A, 3 phase cables
MACHINERY CHARACTERISTICS
Number of Propellers 2
Number of Blades 4
Diameter of Propeller 9'
Pitch Controllable
RPM 260
Shaft Diameter 10.55" at exit of hull
00000_PWB_0111_FLT
REC_0000_FLT_ Commercial Project @ CG Facility (0110)
General Requirements
1. SCOPE
1.1 Intent. This item describes the general requirements to be followed by the Contractor while conducting this availability.
2. REFERENCES
COAST GUARD DRAWINGS
None.
COAST GUARD PUBLICATIONS
Coast Guard Commandant Instruction (COMDTINST) M10360.3C, Change 1, Jun 2006, Coatings and Color Manual Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), Jan 2009, General Requirements Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), Jan 2009, Welding and Allied Processes
OTHER REFERENCES
ASTM International (ASTM) D4417, 2003, Standard Test Methods for Field Measurement of
Surface Profile of Blast Cleaned Steel Commercial Item Description (CID) A-A-59316, Nov 2003, Abrasive Materials for Blasting Code of Federal Regulations (CFR) Title 33 CFR, 2008, Navigation and Navigable Waters Code of Federal Regulations (CFR) Title 40, Chapter I, 2008, Environmental Protection Agency Code of Federal Regulations (CFR) Title 49, Chapter I, 2008, Pipeline and Hazardous Materials
Safety Administration, Department Of Transportation MIL-A-22262, Mar 1996, Abrasive Blasting Media Ship Hull Blast Cleaning The Society for Protective Coatings (SSPC) VIS 1, 2004, Guide and Reference Photographs for
Steel Surfaces Prepared by Dry Abrasive Blast Cleaning
3. REQUIREMENTS
3.1 General. The Contractor shall conform to all requirements specified in SFLC Std Spec 0000 and in this item, as applicable, during the performance of this availability.
1 (Revision-0)
NOTE
The requirements of paragraph 3.1 (General) applies to all work under the scope of this contract, whether explicitly stated in work items or not, and also to all other work subsequently authorized by changes, modifications, or extensions to the contract.
3.2 Contractor-provided fire extinguishers. The Contractor shall provide portable fire extinguishers.
3.3 Welding and brazing requirements. The Contractor shall perform all welding and allied processes, and NDI in accordance with SFLC Std Spec 0740.
3.4 HW disposal. The Contractor shall be responsible for all hazardous wastes generated by work under this contract. Label and package all hazard wastes in 49 CFR-approved containers, and in accordance with all other applicable Federal, state, and local laws and regulations. In addition, comply with applicable parts of 40 CFR 262, applicable to handling of hazardous wastes.
3.4.1 Along with the Government, the Contractor shall be contractually considered the co-generator of all hazardous wastes; be aware that the Government will make available its facility’s EPA Generator Identification (ID) Number for manifesting of hazardous wastes.
3.4.2 The Contractor shall identify, arrange, and be responsible for the turnover of all hazardous wastes, within the confines of the Coast Guard shore facility, to the facility’s HM/HW Coordinator. Notify the ship’s HW Coordinator prior to any transfers of HW from ship to shore.
3.4.3 The Contractor shall prepare a manifest of hazardous waste to be reviewed and signed by the HM/HW Coordinator. Contact the HM/HW Coordinator for turnover of any hazardous waste; in addition, notify the COTR 24 hours prior to any waste removals, and ensure that waste removals are conducted during normal business hours (0800-1600) on Monday through Friday (excluding holidays).
3.4.4 The Contractor shall be aware of the following:
3.4.4.1 No Contractor or Subcontractor shall have the authority to sign a Hazardous Waste Manifest using the Coast Guard facility’s EPA Generator ID Number or remove contract generated hazardous waste from the Coast Guard facility without COTR or KO-approval.
3.4.4.3 Local environmental regulations at the Government facilities may be more stringent than in many jurisdictions. As with all environmental regulations, it is the Contractor's responsibility to research, prepare for, and comply with, the local and state regulations.
3.4.4.4 Coast Guard facilities do not have Facilities Response Plans (see 33 CFR 154 Subpart F). It is the Contractor’s responsibility to furnish the Facility Response Plan (FRP) when required for over-the-water liquids transfers to and from vessels. This requirement is applicable to transfers to/from vessels with an oil/fuel capacity of 250 barrels or more.
3.5 Pre-surface preparation test coupon. In order to ensure production of required surface profile, the Contractor shall accomplish the following, tasks, whenever abrasive-blasting is required in a work item that is deemed a ”critical-coated’ surfaces:
2 (Revision-0)
3.5.1 Coupon material and test set-up particulars.
3.5.1.1 Conduct a performance test on all abrasive blasting operations on a Contractor- provided test coupon, prior to starting abrasive blasting operations on the vessel. Ensure the following:
• The coupon shall be a new metal plate, of the same metal type and material properties as the vessel area to be blasted - steel or aluminum plate, as applicable, and shall have no existing anchor profile - other than the surface irregularities from the manufacturing process.
• The test coupon shall be flat, with nothing welded to the side used for the anchor profile test, no thinner than a 1/8-inch plate and measuring no smaller than 1-foot by 1-foot.
• For steel substrates, the coupon shall have the mill scale intact, and be in a Rust Grade "A" condition, in accordance with SSPC-VIS 1.
• The test coupon shall be affixed so as to not permit excessive movement during the performance test, but shall not be affixed to the vessel.
3.5.1.2 Ensure that the abrasive-blasting operation for the test coupon is conducted with the identical setup and parameters that will be used blasting the designated vessel surfaces – including, but not limited to:
• The abrasive media type and media size selected to achieve the anchor profile range, as specified in the applicable work items.
• Nozzle size and type (straight bore, high velocity nozzle, angle nozzle...).
• Delivery rate and pressure settings.
3.5.1.3 Blast a one-square foot area on one side of the test coupon to the abrasive surface preparation standard specified in the work item, and perform an anchor profile test of the blasted surface in accordance with ASTM D4417, Method B or C. Notify the COTR in advance of the abrasive blasting operation test, to permit the witnessing of the test by the COTR. Submit a CFR documenting the results of the abrasive blasting operation test. The CFR shall include at a minimum, the following:
• Area of the vessel for which the verified setup will be used to abrasive blast.
• The selected abrasive media type and size.
• The nozzle size and type.
• The delivery rate and pressure.
• The test coupon starting properties (material type and surface conditions).
• The resultant anchor profile readings from the test (a minimum of 3 locations, separated by a minimum of 2 inches shall be recorded).
NOTES
1. A performance test of the abrasive blasting operations on a test coupon and measuring the resultant anchor profile prior to performing the abrasive blasting operation on the cutter is required. The test coupon will be used to evaluate the anchor profile produced by the equipment setup and selected abrasive media.
2. The reverse side of the test coupon may be used for the subsequent test, provided that the conditions in paragraph 3.5.1 (Coupon material and test set-up particulars) are met.
3. Ultra high pressure water jetting does not create an anchor profile and is exempt from the anchor profile test coupon check.
3 (Revision-0)
3.5.1.4 Repeat the abrasive blasting operation test in the following instances:
• The equipment setup, that was evaluated during the test coupon abrasive blasting performance test in paragraph 3.5.1 (Coupon material and test set-up particulars), has changed.
• The resultant anchor profile readings observed on the vessel are outside the specified anchor profile range.
• Media is changed from MIL-A-22262 to CID A-A-59316 or vice versa.
• The supplier of the abrasive blasting media changes, regardless if the new source for the media has the same specifications.
• When Directed by the COTR.
CAUTION!
Ensure that blast media from the performance test does not strike the vessel during the test.
3.6 Interim changes to SFLC Std Spec 0000. The Contractor shall be aware of the fact that the requirements of paragraph 3.3.2.1.1 (Water depth) have been revised to read as follows:
“3.3.2.1.1 Water depth. Ensure that water depth is sufficient at the pier to allow the vessel's lowest underwater appendage to clear the bottom by at least two feet at:
• Ordinary low water mark on non-tidal rivers.
• At all tide conditions predicted during the availability for tidal rivers and other navigable waterways (Bay, Lake, etc.).”
4. NOTES
4.1 Access to COMDTINST M10360.3. The COMDTINST M10360.3 may be accessed at the following URL address: http://www.uscg.mil/directives/cim.asp
4.2 QA inspection forms. QA inspection forms (QA-1 thru QA-5), required in SFLC Std Spec 0000 to be completed and submitted during preservation of “critical-coated surfaces”, are provided at the end of this document.
4 (Revision-0) http://www.uscg.mil/directives/cim.asp
QA-1 - QUALITY ASSURANCE INSPECTION FORM
(PRESERVATION CHECKLIST)
Vessel Name: _______________________ Hull Number: ______________ CLIN No.: _____________ Work Item Title: _______________________________ Area Being Preserved: ___________________________________
CHECKPOINT 1 – COATING SYSTEM COMPLIANCE
Ensure all coatings are in compliance with COMDTINST M10360.3, Appendix C.
CHECKPOINT 2 - PAINT STORAGE
Ensure all coatings are kept at a temperature of 65 to 85°F at all times, unless otherwise specified by the coating manufacturer(s).
CHECKPOINT 3 - AMBIENT CONDITIONS
Ensure surface and surrounding temperatures are each between 50 and 90°F for water-based coatings, and 35 and 95°F for other coatings, unless otherwise specified by the coating manufacturer(s).
Ensure maximum relative humidity (RH) is as follows, from surface preparations through final curing of topcoat: 50% for tanks, voids, and vent plenum; and 85% for all other areas, unless otherwise specified by manufacturer(s).
Ensure surface temperature is at least 5°F above the dew point, unless otherwise specified by the coating manufacturer(s).
CHECKPOINT 4 - PRE-SURFACE PREPARATION
Remove surface contaminants (soluble salts, loose rust, mud, and marine growth) with low pressure fresh water wash down (maximum 5,000 psi). If oil and grease are present, perform solvent cleaning, as per SSPC SP-1.
Verify equipment setup, blast media, and surface preparation methods match designated test coupon.
CHECKPOINT 5 - SURFACE PREPARATION
Verify environmental conditions (see CHECKPOINT 3).
Ensure cleanliness of prepared surface is as per specification (i.e.: SSPC SP-12, SP-11, SP-10…).
Verify surface anchor profile using ASTM D4417-Methods B or C against COMDTINST M10360.3. Conduct profile readings at a minimum of 5 locations for the first 1000-sqft area, and 2 locations for each succeeding 1000-sqft area.
Measure soluble salt conductivity in accordance with SSPC-Guide 15. Conduct 5 measurements per each 1000 sqft area (maximum threshold: 70 microsiemens/cm ,for non-submerged surfaces and 30 microsiemens/cm for submerged surfaces).
CHECKPOINT 6 - PRIMER COAT APPLICATION
Verify environmental conditions (see CHECKPOINT 3).
Verify proper mixing and stand-in (induction) times.
Ensure no paint is applied when the temperature is expected to drop to freezing before the paint has dried.
Ensure surfaces are completely dry, unless otherwise allowed by the coating manufacturer(s).
Verify wet film thickness (WFT) at random, to prevent under or over application. Verify final DFT.
Brush out all runs, sags, drips, and puddles.
Perform visual inspection for holidays and other defects.
CHECKPOINT 7 – STRIPE COAT APPLICATION
Verify environmental conditions (see CHECKPOINT 3).
Ensure overcoating window is as per manufacturer’s instructions.
After primer coat (mist coat after inorganic zinc), brush-apply un-thinned coat of same primer paint over edges, weld seams, cut-outs, and areas of complex geometries @ 3-4 mils wet film thickness (WFT).
CHECKPOINT 8 – TOP COAT APPLICATION
Verify environmental conditions (see CHECKPOINT 3).
Ensure overcoating window is as per manufacturer’s instructions.
Verify proper mixing and stand-in (induction) times, as applicable.
Verify wet film thickness at random, to prevent under or over application.
Brush out all runs, sags, drips, and puddles.
CHECKPOINT 9 – FINAL INSPECTION
Verify final system dry film thickness. Conduct 5 sets of 3 readings for each of the first 3 100-sqft areas, followed by 5 sets of 3 readings for each succeeding 1000-sqft area.
Ensure that system cure is in accordance with manufacturer's recommendation for intended service.
Ensure potable water tank exhaust ventilation is maintained continuously from and during coating application through final system cure, to exhaust all solvent to the atmosphere and to prevent solvent entrapment.
For immersion coatings (including tank U/W body), record date and time of the following events:
Final coat application:_________/_________; Return to service or removal from environment controls: _______/_______
CHECKPOINT 10 – RECORD KEEPING
Complete, sign, and submit all provided QA Inspection Forms.
Name of QP-1 or NACE-Certified Inspector: __________________________________________ Cert. No.: ____________ Signature of Inspector: _______________________________________ Date:_______________ Time: _________
5 (Revision-0)
QA-2 - QUALITY ASSURANCE INSPECTION FORM
(ENVIRONMENTAL READINGS)
Vessel Name: _______________________ Hull Number: ______________
CLIN No.: _____________ Work Item Title: ________________________________________________
(Use one sheet for each activity. Record conditions every four hours from before surface preparation to application of final coating system coat)
DATE &
TIME
ENTER ACTIVITY
(Surface preparation, primer coat, barrier coat, top coat, etc…)
LOCATION
TEMPERATURE % REL.
HUMID
ITY
SIGNATURE
OF
INSPECTOR DEW
POINT SURFACE AMBIENT ΔT
| DP - Surface |
Name of QP-1 or NACE-Certified Inspector: __________________________________________ Cert. No.: ____________
6 (Revision-0)
Signature of Inspector: _______________________________________ Date:_______________ Time: _________
7 (Revision-0)
QA-3a - QUALITY ASSURANCE INSPECTION FORM
(SURFACE PROFILE LOG FOR PROFILE MEASUREMENTS IAW ASTM D4417-METHOD-C)
Vessel Name: _______________________ Hull Number: ______________
CLIN No.: _____________ Work Item Title: ________________________________________________
Location of Surface Profile Measurements: __________________________________________________________________
SURFACE PREPARATION METHOD
PROFILE ACHIEVED
(mils) Min Max Mean
SSPC-SP-10/NACE No. 2 SSPC-SP-12/NACE No. 5
SSPC-SP-3
SSPC-SP-11
SSPC-SP-11 (inaccessible area) Brush-blasting (non-metallic substrate)
Abrasive Manufacturer and Sieve Size: _________________________________
Place Surface Profile Replica Tapes In The Spaces Provided Below, To Serve As Permanent QA record. Maintain separate log for each area/location. When an Area Is Divided Into Separate Sections, Maintain A Separate Log for Each Section.
Place Surface Profile Replica Tape Here
Reading:__________ mils
Place Surface Profile Replica Tape Here
Reading:__________ mils
Place Surface Profile Replica Tape Here
Reading:__________ mils
Place Surface Profile Replica Tape Here
Reading:__________ mils
Place Surface Profile Replica Tape Here
Reading:__________ mils
Place Surface Profile Replica Tape Here
Reading:__________ mils
Place Surface Profile Replica Tape Here
Reading:__________ mils
Place Surface Profile Replica Tape Here
Reading:__________ mils
Place Surface Profile Replica Tape Here
Reading:__________ mils
Place Surface Profile Replica Tape Here
Reading:__________ mils
Place Surface Profile Replica Tape Here
Reading:__________ mils
Place Surface Profile Replica Tape Here
Reading:__________ mils
Place Surface Profile Replica Tape Here
Reading:__________ mils
Place Surface Profile Replica Tape Here
Reading:__________ mils
Place Surface Profile Replica Tape Here
Reading:__________ mils
Mean Mil Reading (IAW ASTM D4417-Method C) for above 15 readings: ______________
Name of QP-1 or NACE-Certified Inspector: __________________________________________ Cert. No.: ____________
8 (Revision-0)
Signature of Inspector: _______________________________________ Date:_______________ Time: _________
9 (Revision-0)
QA-3b - QUALITY ASSURANCE INSPECTION FORM
(SURFACE PROFILE LOG FOR PROFILE MEASUREMENTS IAW ASTM D4417-METHOD-B)
Vessel Name: _______________________ Hull Number: ______________
CLIN No.: _____________ Work Item Title: ________________________________________________
Location of Surface Profile Measurements: __________________________________________________________________
SURFACE PREPARATION METHOD
PROFILE ACHIEVED
(mils) Min Max Mean
SSPC-SP-10/NACE No. 2 SSPC-SP-12/NACE No. 5
SSPC-SP-3
SSPC-SP-11
SSPC-SP-11 (inaccessible area) Brush-blasting (non-metallic substrate)
Abrasive Manufacturer and Sieve Size: _________________________________
Record Measurements Taken In The Spaces Provided Below, To Serve As Permanent QA record. Maintain separate log for each area/location. When an Area Is Divided Into Separate Sections, Maintain A Separate Log for Each Section.
Reading: __________ mils __________ mils __________ mils __________ mils __________ mils
Reading: __________ mils __________ mils __________ mils __________ mils __________ mils
Reading: __________ mils __________ mils __________ mils __________ mils __________ mils
Reading: __________ mils __________ mils __________ mils __________ mils __________ mils
Reading: __________ mils __________ mils __________ mils __________ mils __________ mils
Reading: __________ mils __________ mils __________ mils __________ mils __________ mils
Reading: __________ mils __________ mils __________ mils __________ mils __________ mils
Reading: __________ mils __________ mils __________ mils __________ mils __________ mils
Reading: __________ mils __________ mils __________ mils __________ mils __________ mils
Reading: __________ mils __________ mils __________ mils __________ mils __________ mils
Mean Mil Reading (IAW ASTM D4417-Method B) for above 10 readings:
By Column: __________ mils __________ mils __________ mils __________ mils __________ mils
Name of QP-1 or NACE-Certified Inspector: __________________________________________ Cert. No.: ____________ Signature of Inspector: _______________________________________ Date:_______________ Time: _________
10 (Revision-0)
QA-4 - QUALITY ASSURANCE INSPECTION FORM
(SURFACE SOLUBLE SALT CONDUCTIVITY LOG)
Vessel Name: _______________________ Hull Number: ______________
CLIN No.: _____________ Work Item Title: ________________________________________________
Location of Work (including frame numbers): _______________________________________
Area (square feet): ____________
SOLUBLE SALT CONDUCTIVITY MEASUREMENTS IAW SSPC-GUIDE 15
DATE TEST LOCATIONS CONDUCTIVITY
(microsiemens/cm)
Name of QP-1 or NACE-Certified Inspector: __________________________________________ Cert. No.: ____________
11 (Revision-0)
Signature of Inspector: _______________________________________ Date:_______________ Time: _________
12 (Revision-0)
QA-5 - QUALITY ASSURANCE DATA FORM
(COATING THICKNESS)
(Use one sheet for each sequence)
Vessel Name: _______________________ Hull Number: ______________
CLIN No.: _____________ Work Item Title: ________________________________________________
Coating Manufacturer: ___________________Product Name: _______________________Batch Number: ____________ Induction Time: _______________________________________________________________ Coating System Sequence (Indicate Whether: Primer, Touch-Up Primer, Barrier Coat, 3rd Coat…):
DRY FILM THICKNESS (DFT) MEASUREMENTS IAW SSPC-PA 2
SPOT 1 2 3 4 5 AVERAGE
VALUE
*BASE METAL
READING (BMR)
*Required, If Magnetic Pull-Of (Type I/Banana) Gauge Is Used.
Location (Frame Reference): ___________________
SPOT 1 2 3 4 5
Overall Avg. DFT
ADJUSTMENTS
1 Avg. BMR Deviation 3 Before
Adjustments After Adjustments
Avg.
Location (Frame Reference): ___________________
SPOT 1 2 3 4 5
Overall Avg. DFT
ADJUSTMENTS
1 Avg. BMR Deviation 3 Before
Adjustments After Adjustments
Avg.
Location (Frame Reference): ___________________
SPOT 1 2 3 4 5
Overall Avg. DFT
ADJUSTMENTS
1 Avg. BMR Deviation 3 Before
Adjustments After Adjustments
Avg.
Application Method (Airless, Conventional Spray, Rolled):____________________
Average DFT: __________________________________________________________
Name of QP-1 or NACE-Certified Inspector: __________________________________________ Cert. No.: ____________ Signature of Inspector: _______________________________________ Date:_______________ Time: _________
13 (Revision-0)
31120_WJW_0610_FLT
REC_31120_FLT_270’ WMEC
B Class(0210)
Work Item 1:Ship Service Diesel Generator, Clean & Inspect
1. SCOPE
1.1 Intent. This work item describes the requirements for the Contractor to inspect, recondition, and test in place the windings of each Ship Service Diesel Generator.
1.2 Government-furnished property.
None.
2. REFERENCES
COAST GUARD DRAWINGS
None.
COAST GUARD PUBLICATIONS
Coast Guard Technical Publication (TP) 2820A, Manufacturer's Instruction Book – SWBS
Group(s) 311 Surface Forces Logistics Center Standard Specification (SFLC Std Spec) 0450, Jan 2009, Electrical Power for Contractor’s Tools & Equipment Surface Forces Logistics Center Standard Specification (SFLC Std Spec) 3100, Jan 2009, Inspect, Test and Recondition AC Synchronous Machines In-Place
OTHER REFERENCES
None.
3. REQUIREMENTS
3.1 General. Inspect, recondition, and test in place the windings of No. 1 and No. 2 Ship Service Diesel Generators in accordance with SFLC Std Spec 3100. Generator data is shown in Table 1 below.
3.2 Optional work. Perform the optional work sections of SFLC Std Spec 3100 as follows:
3.2.1 Bearing wear. Do not measure and record bearing wear.
3.2.2 Collector rings. Do not measure and record collector ring wear and concentricity.
14 (Revision-0)
3.2.3 Rotor extraction. Do not remove the rotor for cleaning within the compartment and reinstall it afterwards.
3.2.4 Installed prime mover. During drying operations, the installed prime mover (e.g., engine or barring gear) may not be used to spin the rotor while circulating current through the field windings.
TABLE 1 – GENERATOR DATA
QUANTITY CHARACTERISTICS MANUFACTURER LOCATION
475 kW, 450 VAC, 60 Hz, 3 phase, 1200 RPM, 0.8 power factor
Kato Engineering Engine Room
3.3 Utility services. The use of Coast Guard utility services, both afloat and ashore, for performance of this work item is restricted as follows:
3.3.1 Electrical power. Electrical power for temporary tools and equipment used to accomplish this work item shall comply with SFLC Std Spec 0450. When no other power source options are practicable, such loads may be energized from a temporary generator located afloat or ashore in accordance with Appendix E of SFLC Std Spec 0450.
3.3.1.1 Dockside equipment. Power solely for dockside tools and equipment may be taken from the dockside electrical power distribution system in accordance with Appendix A (preferred) of SFLC Std Spec 0450 or from the shipboard electrical power distribution system in accordance with Appendix D of SFLC Std Spec 0450.
3.3.1.2 Shipboard equipment. Power solely for shipboard tools and equipment may be taken from the ship service electrical distribution system in accordance with Appendix B (preferred) of SFLC Std Spec 0450 or from the dockside electrical power distribution system in accordance with Appendix C of SFLC Std Spec 0450.
3.3.2 Potable water. Hot and cold potable water may be obtained from shipboard systems.
3.3.3 Compressed air. Compressed air for tools and generator hand cleaning may be taken from the ship service air system. Air that is to be blown into a generator shall be filtered for particulate, water, and oil prior to discharge.
3.4 External heating. External heat must be applied following cleaning to dry out the windings. The heater power rating will vary with the amount of equipment to be dried, degree of enclosure, and amount of ventilation. The estimate in Table 2 below assumes that no heat is lost by radiation or by forced or natural convection; consequently, the input power rating should be increased by a few kilowatts to compensate for heat losses.
3.4.1 Limit heat input so that winding temperatures do not increase more than 20°F per hour.
3.4.2 Do not exceed a winding temperature of 167°F.
15 (Revision-0)
TABLE 2 – EXTERNAL HEATING DATA
MACHINE
WEIGHT
(LBS)
HEATER POWER
HEATUP
RATE (°F/H)
TEMPERATURE
RISE (°F)
DURATION
(H)
(KW) (BTU/H)
6,000 4.2 14,330 20 107 5.4
4. NOTES
None.
16 (Revision-0)
31210_WJW_0510_FLT
REC_31200_FLT_270’ WMEC(0310)
Work Item 2:Emergency Diesel Generator, Clean & Inspect
1. SCOPE
1.1 Intent. This work item describes the requirements for the Contractor to inspect, recondition, and test in place the windings of the Emergency Diesel Generator.
1.2 Government-furnished property.
None.
2. REFERENCES
COAST GUARD DRAWINGS
None.
COAST GUARD PUBLICATIONS
Coast Guard Technical Publication (TP) 2702, Manufacturer's Information Book – SWBS
Group(s) 312 Surface Forces Logistics Center Standard Specification (SFLC Std Spec) 0450, Jan 2009, Electrical Power for Contractor’s Tools & Equipment Surface Forces Logistics Center Standard Specification (SFLC Std Spec) 3100, Jan 2009, Inspect, Test and Recondition AC Synchronous Machines In-Place
OTHER REFERENCES
None.
3. REQUIREMENTS
3.1 General. Inspect, recondition, and test in place the windings of the Emergency Diesel Generator in accordance with SFLC Std Spec 3100. Generator data is shown in Table 1 below.
3.2 Optional work. Perform the optional work sections of SFLC Std Spec 3100 as follows:
3.2.1 Bearing wear. Do not measure and record bearing wear.
3.2.2 Collector rings. Do not measure and record collector ring wear and concentricity.
3.2.3 Rotor extraction. Do not remove the rotor for cleaning within the compartment and reinstall it afterwards.
17 (Revision-0)
3.2.4 Installed prime mover. During drying operations, the installed prime mover (e.g., engine or barring gear) may not be used to spin the rotor while circulating current through the field windings.
TABLE 1 – GENERATOR DATA
Hull Quantity Characteristics Manufacturer Location
270’ WMEC 1
475 kW, 450 VAC, 60 Hz, 3 phase, 1800 RPM, 0.8 power factor
Kato Engineering Steering Gear Room
3.3 Utility services. The use of Coast Guard utility services, both afloat and ashore, for performance of this work item is restricted as follows:
3.3.1 Electrical power. Electrical power for temporary tools and equipment used to accomplish this work item shall comply with SFLC Std Spec 0450. When no other power source options are practicable, such loads may be energized from a temporary generator located afloat or ashore in accordance with Appendix E of SFLC Std Spec 0450.
3.3.1.1 Dockside equipment. Power solely for dockside tools and equipment may be taken from the dockside electrical power distribution system in accordance with Appendix A (preferred) of SFLC Std Spec 0450 or from the shipboard electrical power distribution system in accordance with Appendix D of SFLC Std Spec 0450.
3.3.1.2 Shipboard equipment. Power solely for shipboard tools and equipment may be taken from the ship service electrical distribution system in accordance with Appendix B (preferred) of SFLC Std Spec 0450 or from the dockside electrical power distribution system in accordance with Appendix C of SFLC Std Spec 0450.
3.3.2 Potable water. Hot and cold potable water may be obtained from shipboard systems.
3.3.3 Compressed air. Compressed air for tools and generator hand cleaning may be taken from the ship service air system. Air that is to be blown into a generator shall be filtered for particulate, water, and oil prior to discharge.
3.4 External heating. External heat must be applied following cleaning to dry out the windings. The heater power rating will vary with the amount of equipment to be dried, degree of enclosure, and amount of ventilation. The estimate in Table 2 below assumes that no heat is lost by radiation or by forced or natural convection; consequently, the input power rating should be increased by a few kilowatts to compensate for heat losses.
3.4.1 Limit heat input so that winding temperatures do not increase more than 50°F per hour.
3.4.2 Do not exceed a winding temperature of 200°F.
TABLE 2 – EXTERNAL HEATING DATA
Machine Weight
(lbs)
Heater Power Heatup Rate
(°F/h) Temperature
Rise (°F) Duration (h) (kW) (BTU/h)
18 (Revision-0)
19 (Revision-0)
3,200 5.6 19,106 50 140 2.8
4. NOTES
None.
File details come from the government source that posted it. Updated .