D.1. OE2 FY22 SPEC-final.pdf

NOAA Ship Oregon II FY22 Drydocking

May 2021

NOAA SHIP Oregon II

FY 2022 DRYDOCK REPAIR SPECIFICATION

Marine Engineering Division

Kell Bruner 5/21/2021 Written By Date

FY 2020 Drydock Repairs to NOAA Ship Oregon II

TABLE OF CONTENTS

DESCRIPTION/TITLE PAGE

1.0 SCOPE 4

2.0 GENERAL 4

3.0 BASIC ITEMS

3.1 Temporary Services

3.2 Drydocking and Routine Drydock Work

3.3 Hull Valve Inspection and Overhaul

3.4 Aft Peak Tank Inspection

3.5 ABS Load Line Survey

3.6 Steel Renewal and Repairs

3.7 01 Lvl Bimetallic Connection Renewal

3.8 Galley Renewals

3.9 Underwater Hull Maintenance Coat

3.10 Coating System Renewals / Maintenance

3.11 Main Deck Rubber Tile Renewal and Deck Gauging

3.12 Annual Life Raft Survey

3.13 Annual Fire Inspection

3.14 Annual Lifting Equipment Load Test

3.15 Miranda Davit Recertification and FRB Maintenance

3.16 Electrical Repairs and Maintenance

3.17 Hose Renewals

3.18 Hydraulic System and Winch Overhauls

3.19 Equipment Overhauls

3.20 Reduction Gear Maintenance

3.21 Piping Repairs and Modifications

3.22 Ventilation Renewals

3.23 Insulation Repairs and Modifications

3.24 Miscellaneous Repairs

4.0 ADDITIONAL WORK

4.1 Additional Work

5.0 OPTION ITEMS

5.1 UPS Renewal

5.2 MSD System Renewal

5.3 Replace Bongo Winch with DT Winch

5.4 Furniture Renewals

5.5 Renew Fuel Manifold Bonnets

1.0 SCOPE: These Detail Specifications contain the

requirements for drydock repairs to NOAA Ship Oregon II.

2.0 GENERAL

2.1. References

2.1.1. NOAA Standard Specification AMC-000-1G, “General

Requirements for Ship Repair Work on NOAA Ships”

2.1.2. NOAA Standard Specification AMC-077-1A, “Asbestos

Containing Materials

2.1.3. NOAA Ship Oregon II, “Asbestos Survey Report”

2.1.4. NOAA Standard Specification S0100, “Implementation and Conduct of Check Points”

2.1.5. NOAA Standard Specification S1600, “Structural Access

Cuts”

2.1.6. NOAA Standard Specification S2906, “Arc Welding on

Waterborne Vessels”

2.1.7. NOAA Standard Specification MOC-631-2D, “Coating

Systems for Steel Surfaces”

2.1.8. NOAA Standard Specification AMC-631-4, “Coating

Systems for Aluminum Surfaces”

2.1.9. NOAA Drawing Number OT-S7-0-1 Docking Plan Oregon II

2.1.10. NOAA Drawing Number OR-S9-0-5, Rev A, “Booklet of

General Plans”

2.1.11. NOAA Weight Report Form, Microsoft XL Format, “WeightReport.xls”

2.2. NOAA General Technical Requirements (GTR) Dated 25 March

3.0 Requirements

3.1.1. References 2.1.1 through 2.1.12 form a part of these

Detail Specifications. All provisions and requirements contained therein are applicable to all work items, including all additional work items which are authorized by the

Contracting Officer.

3.1.2. Some asbestos-containing materials are known to exist

on the ship and generally identified in Reference 2.1.3. The original asbestos survey was performed in 1992. Other report documents have been added based on other asbestos abatement jobs which had been performed on the ship since the original survey.

A copy of the asbestos survey report may be reviewed on board the ship and at the Gulf Marine Support Facility, Port Engineer’s Office, 151 Watts Avenue, Pascagoula, MS. The contractor shall be responsible for all removal, handling, repair, and disposal of Asbestos Containing Materials (ACM) that are identified as ACM, or presumed to contain ACM based on the test results of samples analyzed in the asbestos survey reports.

ACM abatement and removal necessary to perform other contract work in these specifications shall be in compliance with reference 2.1.2.

3.1.3. Implementation of Check Points in accordance with

Reference 2.1.4 shall amplify the requirements contained in Reference 2.1.1, sections 4.1.1.d. and 4.25. Contractor shall implement a check point system for all work items, whether or not the phrase “CHECKPOINT” is inserted in a sequence of the detail work requirements.

3.1.4. References 2.1.5 and 2.1.6 are amplifications of the

requirements contained in Reference 2.1.1, sections 4.17 and 4.21.

3.1.5. On a weekly basis (on the day preceding the Weekly

Progress Meeting) provide revised and updated copies of the Production Schedule to the COR, to reflect the actual work progress.

3.1.6. Schedule, provide and maintain a status report of all

American Bureau of Shipping (ABS) surveyor inspections and technical reviews required by ABS, during the course of the contract to ensure the ship’s ABS Load Line Certification requirements are in compliance. An ABS field surveyor is required to be on site for work items requiring ABS inspections and technical reviews. NOAA will pay ABS directly for their services under a separate purchase agreement.

3.1.7. All visual examination, hydrostatic testing, air

testing, and non-destructive testing shall be in compliance with ABS Rules for Building and Classing Steel Vessels, Surveys After

Construction, Part 7, and the ABS Load Line Technical Manual.

All contractors performing NDT and hull gauging shall be certified under the ABS external specialists program.

3.1.8. Whether stated in the individual specification item or not, all surface preparation and painting shall be accomplished by a SSPC QP1 certified painting contractor.

3.1.9. Weigh all materials and items removed, installed, or

relocated on the ship. Provide a summary report to the COR indicating the total weight in pounds of items removed, the total weight in pounds of new items installed, and the locations of weight removals, installations, and relocations with reference to deck level, frame number, height above deck level, and distance from centerline. Reference 2.1.11 will be provided by the COR for the contractor to identify, record, and document all weight changes in summary reports.

3.1.10. Unless otherwise stated in the individual work items, prepare and coat all new steel, all existing steel surfaces identified to be cleaned and painted, and any paint system disturbed while accomplishing work items, in accordance with Reference 2.1.7. All surfaces exposed to the weather or other corrosive environments shall use an anti corrosive type primer such as Interzinc 75V. Finish coat colors shall match those of the surrounding, unmodified area. Prepare and coat all new aluminum, all existing aluminum surfaces identified to be cleaned and painted, and any aluminum paint system disturbed while accomplishing work items, in accordance with Reference

2.1.8. In addition, all power tools used to prepare internal

spaces for painting, such as Staterooms, the Bow Thruster Space, Forward Machinery Space, Engine Room, MSD and Sonar Rooms shall be fitted with dust collecting equipment to keep airborne contaminants to a minimum. This does not relieve the Contractor from using protective coverings on equipment in those spaces.

3.1.11. At no time will the ship be required to moor at any

dock which has a water depth of less than that required to provide a minimum clearance of one foot under the lowest underwater hull projection during the entire period for which the ship is at the Contractor's facility.

3.1.12. Ship’s force will maintain a minimal presence during

accomplishment of work to these specifications. Their availability to operate ship’s equipment will be limited.

Unless otherwise specified, provide a minimum of two working days prior notice for any equipment operations.

3.1.13. Drawings shall be updated only when specified in the

individual work item. All CAD drawings shall be updated in AutoCad 2000. All paper drawings shall be red-lined. The red-line and CAD updates shall include a complete list of new parts used, to the level of detail shown on existing parts lists on the referenced drawings. The Government shall provide either a full size copy of the drawing to be redlined or a copy of the CAD drawing. The updated drawings shall be returned to the COR prior to the completion of the performance period. Ship’s drawings and technical publications may be borrowed during the performance period. All reference materials borrowed by the contractor shall be signed for, and then returned to the COR after no further use of the reference materials are required.

3.1.14. All new equipment and furnishings purchased by the

Contractor for installation on the ship shall be provided with four sets of factory supplied technical manuals, or data sheets, complete with parts listings. Faxed copies of this information are not acceptable. This documentation shall be turned over to the COR after installation is completed and prior to completion of performance period. Equipment technical manuals shall provide detailed information necessary to operate, maintain, troubleshoot, and repair the equipment. The manuals shall include detailed procedures for disassembly of equipment, parts lists, drawings, inspection criteria, troubleshooting, and test procedures.

3.1.15. All new and disturbed machinery and services shall be operated for a period sufficient to indicate satisfactory performance, but not less than one hour, after all adjustments and deficiency corrective actions have been made, without further adjustment. All operational testing of equipment shall be performed dockside (Dock Trials) prior to any scheduled sea trial.

3.1.16. Following satisfactory completion of dock trials, the Contractor shall schedule and participate in a one-day sea trial near the end of the work performance period to witness testing of all repaired or newly installed equipment and machinery. The sea-trial shall be an underway at sea condition for a duration of at least eight hours, departing from and returning to the contractor’s facility. Transits in a river and/or channel, to and from the contractor’s facility shall not constitute an underway at sea condition. The COR may elect to shorten the duration of the sea trial in consultation with the ship’s command, dependent on the performance of all ship’s equipment and systems to be operated and tested. The Contractor shall coordinate the sea-trial date with other vendors as required, and provide at least 72 hours notice.

3.1.17. Provide manufacturer’s technical representatives where required in the individual work items to witness and to provide technical guidance during operational testing of equipment and systems. All tests and trials of equipment and systems shall be witnessed by the COR, Ship Representatives, ABS and/or USCG as applicable, to ensure compliance with regulatory body requirements to maintain the ship’s ABS Load Line Certification, and to complete all requirements of these specifications.

3.1.18. These Detail Specifications are a combination of

“performance specifications“ and “design specifications.“ Whenever possible, the Government has provided performance specifications, giving the Contractor the opportunity to accomplish the work requirements as best as he or she sees fit, while providing a fully functional repair and/or equipment/system installation in accordance with all the work requirements. When specific details are required, the Government will provide design/detail specifications; this will be more the exception than the rule.

3.1.19. In addition to invoicing requirements in the

specifications and Contract; The contractor shall submit an updated sub-contractor list with every invoice for progress payments. The sub-contractor list shall contain all sub-contractors working on the vessel along with a point of contact and payment status for each sub-contractor. All approved sub-contractor invoices shall paid in full by the prime contractor within a minimum of 30 days of receipt.

3.1.20. Frame numbers and space names are derived from ship’s drawings. All equipment changes and space modifications over the ship’s life span may not all be reflected in the referenced drawings. Contractors are encouraged to review all referenced drawings which will be issued in .pdf format with the solicitation. Contractors are advised to perform a field inspection prior to submitting a bid offer. Copies of other ship’s drawings and technical manuals that are not issued with the solicitation will be made available for review during scheduled pre-bid inspections, at the Port Engineer’s office at the Gulf Marine Support Facility, 151 Watts Ave., Pascagoula, MS and during the performance period as needed.

3.2. Notes

3.2.1. The following descriptive data of NOAA Ship Oregon II

is provided for information:

Overall length - 170 feet- 0 inches

Length BP - 158 feet- 0 inches

Beam,(Molded) - 34 feet- 0 inches

Draft, Baseline to DWL - 14 feet- 0 inches

Draft, above molded keel, midships to DWL - 12feet 6 inches

Displacement, to DWL - 893 LTSW (Saltwater)

Displacement, normal full load departure - 974 LTSW Displacement, lightship - 694.58 LT

Propulsion - Diesel, Single Screw, Bird- Johnson/Kamewa CPP, Twin Cat 3512 DITA JW Propulsion Engines. Lufkin CSQ8414 Reduction Gear, Hundested SFT 5 Bow Thruster.

Generators - Twin Caterpillar 3408B/SR4 DG sets; 245 KW, 450-480 VAC, 4 wire, 3 phase, 60 Hz.

Electric Service - 450 VAC, 3 Phase, 300 Amp Normal Service Load (Note: without deck machinery and cargo refrigeration loads)

Speed Sustained - 10 Knots

Officers & Crew - 19

3.2.2. Except as otherwise stated in this specification, the

ship will be delivered to the Contractor’s facility with the following maximum drafts and displacement (approximately 70 percent liquid loading):

Forward Draft.......12 feet- 5-1/4 inches

Aft Draft...........13 feet- 6 inches

Displacement........906 Long Tons Saltwater LTSW

3.2.3. NOAA will deliver NOAA Ship OREGON II from Pascagoula, Mississippi to the Contractor’s facility. Delivery of the ship back to the Government shall be at the contractor’s facility.

3.3. Government Furnished Equipment (GFE)

ITEM QTY DESCRIPTION EST. COST

See Individual Items

3.1. Temporary Services

3.1.1. References

3.1.1.1. NOAA Standard Specification AMC-000-2C, "Temporary

Services at the Contractor’s Facility"

3.1.2. Government-Furnished Material

3.1.2.1. None

3.1.3. Requirements

3.1.3.1. Provide all facilities and services required in

Reference 3.1.1.1, with the following additional requirements, details, and exceptions:

(a) Electric power: Provide Electric power rated at 450 VAC, 3 Phase, 60 Cycle, 300 amps total service through one electrical shore power cable. Provide shore power cable and plug that fits ship’s existing receptacles. Ship’s receptacles are Joy Manufacturing Company part number X8999-39. Provide clean electric power at all times without any ground faults. Power supply requirements shall be the same whether the ship is located at the wet berth or in the drydock. Any ground faults discovered and detected at the ship’s main switchboard bus shall be corrected by the contractor immediately. If the ground faults discovered are inherent in the contractor’s facility, then the ground faults must be located and the deficiencies corrected immediately. In the event corrective action is not completed within four hours, an alternate power supply source shall be provided (i.e., a temporary electric generator) to meet the service load requirements. If a temporary generator is not provided to serve the ship’s power requirements, then the contractor may elect to provide and install an isolation transformer in line with the electric power supply to the ship, rated at proper capacity to meet the service load requirements for this performance period.

(b) Air: Provide 125 psi dry, filtered, compressed air at 100 cfm, connected to the ship’s service air line on the Main Deck. Air shall be available 24 hours/ day during the entire performance period.

(c) Cooling Water: Provide cooling water for air conditioning and ship’s stores refrigeration machinery plants.

Provide water at a rate of 100 gpm at 60 psig, using temporary piping, fittings and hoses as needed, directly connected to the inlet and outlet cooling water connections at the condenser for each plant. Provide and install a pressure regulating valve with a calibrated gage at each condenser cooling water circuit to allow monitoring and adjusting cooling water flow for each machinery plant.

(d) Sanitary water: Provide sanitary system water at 50 psig to the ship’s starboard main deck sanitary flushing water shore connection. The sanitary flushing water shore connection requires a 1-1/2 inch camlock fitting.

(e) High-Speed Internet Service: Provide high-speed, broadband internet connectivity via a local Internet Service Provider (ISP), or privately owned, internal internet connection. High-speed, broadband internet is defined as Digital Subscriber Service (DSL), Cable Network, or Fiber Optic Network services with minimum download speeds of 5000 Kbps. The service provided shall be a business-type account that supports Virtual Private Network (VPN) connections, if available.

Provide the proper number of connections necessary to satisfy the ship’s wet berth and drydock locations, as well as the COR’s dockside office spaces. All necessary cabling, DSL or Cable modems, or fiber translators shall be provided for an RJ-45 network connection to the ship and office routers. Provide a minimum of one Internet Protocol (IP) address with Directory Name Server (DNS) service for each ship and dockside office locations. The ship’s electronic technician (ET), will provide the necessary routers and switches needed.

(f) Telephone lines: Provide a total of five telephone lines capable of voice and data transmissions: Two phone voice lines and one fax line to the ship's existing telephone system;

One phone voice and one fax line to COR's dockside office.

(g) Potable Water: Install a temporary fitting on the main deck connection and provide potable water at a rate of 50 gpm at 50 psig.

(h) Shore Sewage Line: Provide temporary piping, hoses, and fittings as needed, directly connected to ship’s Marine Sanitation Device (MSD) overboard discharge, located on the port side, approximately at frame 36, exiting via the ship’s Sonar Room.

(i) Parking Spaces & transportation: Provide ten reserved vehicle parking spaces inside the shipyard. Identify and mark nine of these spaces as “NOAA Oregon II Rep." Mark one of these ten spaces as “NOAA Oregon II COR“. This parking shall be as close as practicable to the ship and COR office. Identify additional spaces for up to 15 vehicles within or outside the shipyard that may be made available for ship’s personnel parking and other NOAA representatives. In addition, provide (2) Golf Carts or similar transportation. The contractor shall provide electric charging or gas and all maintenance for the vehicles.

(j) Dockside office space: Provide one dockside office space for the COR beginning two days prior to the performance period and extending two days beyond the performance period.

Office space shall be secure and lockable. Provide three sets of keys to the COR. In addition to the requirements in Reference 3.1.1.1, provide the following in the COR's office space:

(1) COR's dockside office space shall contain one desk, one 48-inch high by 36-inch wide bookshelf, and three chairs.

(2) Increase office size to 12-feet x 20-feet.

(3) Provide one four-drawer file cabinet with lock set.

(4) Provide one copy machine capable of multiple copying, sorting, and paper size conversion (enlarging/reducing) of documents, in paper size ranges from letter (8.5 x 11 inches), legal (8.5 x 14 inches), and "D" size drawings (11 x 17 inches).

(k) Provide Security Service to make hourly rounds during all periods that no contract work is being performed on the ship. Locate Detex clock key stations in the pilot house, the lower level of the engine room, the forward reefer machinery space, the Sonar/MSD rooms, and the steering gear room. Five key stations are required.

(l) Clean the engine room bilges upon ship's arrival at contractor’s facility and at completion of all work with a pressure washer rated at minimum of 1000 psig. Pump out, clean and gas-free the Controllable Pitch Propeller (CPP) system sump tank forward of the reduction gear between the main engines (approximately 200 gallons capacity), the waste oil tank between the main engines (approximately 150 gallons capacity), and the waste oil holding tank, port side lower engine room between frames 40 and 42 (approximately 2500 gallons capacity).

Additional pumping will be required whenever liquid is added to these tanks as a result of the contractor washing down or introducing combustible substances violating the gas-free certification, and when incidental liquid drainage into these spaces has occurred during the performance of work. After final cleaning and washing of the bilges, ensure that bilge rose boxes are free of all debris and trash. Additional cleaning and pumping out of these spaces and tanks, including Marine Chemist services, due to contractor work related activities, shall not be an additional cost to government. Note: Some of the ship’s condensate and gray water drains from various ship systems and spaces drain into the engine room periodically. This condition shall not relieve the contractor from maintaining the gas-free certification or from pumping additional liquid from the engine room bilges as needed to perform the required work.

(m) Provide a closed, lockable storage container, or space, for ship’s personnel use, with minimum nominal dimensions of eight feet high by eight feet wide by twenty feet deep.

Provide three sets of keys to the COR for the lock for this storage container.

(n) Toilet Facilities & Sewage Disposal: Provide temporary toilet facilities and perform sewage system effluent and turbid water disposal at any time the ship’s sanitary flushing water system, MSD plant, and gray water system operation is disrupted, due to work performance on any item of these specifications, where disruption of these systems will be required.

(o) Provide and make available crane service including operator and riggers during the entire time of the contract period for ship’s force equipment, provisions, and material lifts needed during normal working hours. Provide crane lifts using a crane with a 5-ton minimum capacity. The COR will provide a minimum of four hour notice prior to any lifting required for ship’s force needs. In addition, provide adequate pier space and vehicle access for staging mission equipment and loading provisions during the last two weeks of the contract performance period.

(p) In the event temporary services are reduced due to contract work to the extent disruption of services renders the ship uninhabitable, an equitable adjustment to the contract shall be negotiated. The daily temporary service charge for all services as bid but not provided shall be reduced and a credit provided to the government for the remainder of the contract period. Contractor shall make every effort to maintain all facilities and services required by this specification in a safe manner, so as not to render the ship uninhabitable.

3.1.4. Quality Assurance

3.1.4.1. In accordance with Reference 3.1.1.1.

3.1.5. Notes

3.1.5.1. None

END OF ITEM

3.2. Drydocking and Routine Drydock Work

3.2.1. References

3.2.1.1. NOAA Standard Specification AMC-997-1A, “Drydocking

and Routine Drydock Work"

3.2.1.2. NOAA Standard Specification S1205, “Zinc Protectors"

3.2.1.3. NOAA Drawing Number S7-0-1, Rev. C., “Docking Plan - Oregon II“

3.2.1.4. Oregon II Drawing No. S22-0-1, “Rudder, Rudder

Carrier, and Rudder Stock“

3.2.1.5. Oregon II Drawing No. S43-1-1, “Arrangement of Stern Tube Bearing and Seals“

3.2.1.6. Oregon II Drawing No. S45-1-2, “Lube Oil Piping

Arrangement & Details“

3.2.1.7. Oregon II Technical Manual, Stern Tube Bearings and

Seals, Size 240 MKII

3.2.1.8. Wärtsilä Defense (Formerly John Crane Lips)

Instruction Manual, MK2/MK2-M Seals, Issue A, Dated 16/08/01

3.2.1.9. Hundested Thruster Manual, “Bow Thruster Manuf. No. BT 1187, Type SFT 5“

3.2.1.10. Technical Manual, "Ka Me Wa Controllable Pitch Marine Propeller, Bird-Johnson Company, for NOAA Ship Oregon II."

3.2.2. Government-Furnished Material

3.2.2.1. None.

3.2.3. Requirements

3.2.3.1. Prior to removing liquid loads and drydocking while

the ship is waterborne, perform a radial and axial alignment check of the reduction gear output shaft to main tail shaft at the coupling interface between the reduction gear and the intermediate line shaft. Provide a condition report to the COR detailing the results of the alignment readings taken.

Reassemble all split flange coupling components which were removed to perform the alignment check, prior to proceeding with drydocking the ship.

3.2.3.2. Provide drydocking and routine drydock work in

accordance with References 3.2.1.1 and 3.2.1.3, with the following additional details. Drydock the ship within the first seven days of the contract performance period.

3.2.3.3. After removal of all diesel oil and other liquid loads from the ship, as required in Item No. 3.4 of these specifications, contractor shall furnish and place 20,000 lbs of certified weights on the Main Deck, starboard side, forward of the house, between frames 15 and 22. The additional weight(s) shall be put in place on the Main Deck to compensate for an inherent five degree port list when all the ship’s liquid loads are removed from the storage tanks. The exact placement of the additional weights(s) with respect to distance from centerline shall be what is necessary to bring the ship’s heel to even keel, in preparation for drydocking. Coordinate the requirements of this paragraph with the requirements for off-loading all liquid loads in Item No. 3.4, "ABS Load Line Survey."

3.2.3.4. Block the ship with a minimum of four feet clearance under the keel in Docking Position No. 2 for this drydocking.

3.2.3.5. Provide divers to ensure that all sea chests, discharges, transducers, domes, and other appurtenances are clear of all blocks. When the ship is set on the keel blocks, divers shall ascertain that the bilge blocks are contacting the hull properly and not landing on the bilge keels. The divers shall inform the Dockmaster and COR, and then lifting shall continue.

3.2.3.6. In addition to the high-pressure water wash on the

underwater hull, accomplish a high-pressure fresh water wash on the freeboard, from the top of the bulwarks down to the boot topping. Minimum water pressure shall be 3,000 psi.

3.2.3.7. The requirement in Reference 3.2.1.1 to carry out a

high pressure water wash on the underwater hull shall be done using a minimum water pressure of 3,000 psi, however the water pressure shall be high enough to ensure removal of all marine growth and the antifouling leached layer. In addition, remove all grease and streaking rust adhered to the hull. Degreasing and power washing shall be accomplished as soon as practical, but in all cases within 12 hours after drydocking the ship. An Ameron paint representative shall witness the beginning of the underwater hull cleaning process and direct any changes in procedure to ensure adequate results are obtained.

3.2.3.8. Provide rudder clearance readings to the COR within

the first seven days of ship drydocking during the contract performance period. Replace rudder packing gland material with ½-inch x ½-inch tallow-impregnated square flax packing or equal.

3.2.3.9. Clean the exposed surfaces of all rubber faced

transducers immediately after drydocking.

3.2.3.10. Clean and polish propeller and bow thruster to bright metal. Take care not to remove any identifying marks, serial numbers, and match marks from the blades and hubs. Take particular care to prevent any fine metal particles and foreign matter from being lodged in seam areas between blades and hubs, which could potentially cause damage to propeller and blade seals. Seal up propeller blade bases with duct seal and tape during the entire time on drydock to prevent contamination damage to blade base O-ring seals. Remove duct seal prior to undocking.

3.2.3.11. Zinc Anode Renewals

3.2.3.11.1. Remove and scrap 52 existing zinc anodes for sea

chests, bow thruster tunnel, and underwater body using Reference

3.2.1.2 as a guide. Grind all strap welds smooth. Clean, prime, and paint the areas behind the zinc anodes in accordance with the Underwater Body Coating item prior to installing the new zinc anodes.

3.2.3.11.2. Install 52 new zinc anodes type ZHS-23 conforming to MIL-A-18001H, same size and in the same location as those removed. The new finished zinc plates shall weigh twenty two pounds each.

3.2.3.11.3. Install zinc anodes by welding the ends of the straps to the underwater body with the long dimension oriented fore and aft where practicable. Trim the strap length or bend the zinc anode as necessary to suit the curvature of the hull. The underwater body side of the zinc anode shall not contact the hull.

3.2.3.11.4. Clean and paint zinc straps and disturbed hull paint after zinc anode installation in accordance with the Underwater Body Coating item. No paint or other permanent coatings are to be applied to the exposed zinc surfaces, which shall be clean bare metal.

3.2.3.11.5. After completion of all zinc anode renewals the COR will visually inspect each new zinc anode to determine proper attachment and painting.

3.2.3.11.6. Provide certification to the COR that the new zinc anodes are in compliance with MIL-A-18001H. Note: If the COR designates a greater or lesser amount of zinc anodes to be renewed, then a contract modification will be issued to increase or decrease the cost of this work item.

3.2.3.12. Controllable Pitch Propeller (CPP) Servicing

3.2.3.12.1. Accomplish all work on the CPP system under the

guidance of a Rolls-Royce manufacturer's service representative.

The service representative shall be on site at all times any work associated with the CPP system is being accomplished and whenever the hub is uncovered. Accomplish all disassembly, inspections, tests, and reassembly in accordance with Reference

3.2.3.10. At no time shall any sandblasting or painting be

permitted in or near the drydock while the propeller, tailshaft, and seals are being worked on.

3.2.3.12.2. Remove and dispose of all oil in the CPP system.

3.2.3.12.3. Remove the propeller hub to the shop for inspection and service. Blank off the open end of the shaft.

3.2.3.12.4. Remove CPP blades from the hub. Following inspection and testing, reassemble blades onto the hub using new seal ring static o-ring seals (15.5 ID x 4 mm Special), new seal ring base ring dynamic o-ring seals )fully molded o-ring 15-1/8 OD x 14- 7/8 ID x 1/8), and new #225 blade bolt fully molded o-ring seals.

3.2.3.12.5. Upon completion of stern tube seal renewals per para 3.2.3.13, reinstall hub on the tailshaft and re-fill the system with new contractor-furnished Mobile DTE 10 Excel 68.

3.2.3.12.6. Pressure test the hub to 30 psig using a procedure acceptable to the manufacturer's technical representative.

Purge the CPP system of air and conduct an operational test of the hub blades.

3.2.3.13. Tail Shaft Stern Tube Seal Renewals

3.2.3.13.1. Accomplish all work on the tail shaft stern tube

bearings and seals under the guidance of a Wärtsilä Defense, Inc. manufacturer’s service representative. The service representative shall be on site at all times for any work associated with the renewal of the tail shaft stern tube seals.

All disassembly, inspections, tests, and reassembly shall be accomplished in accordance with applicable sections of

References 3.2.1.5, 3.2.1.6, 3.2.1.7, and 3.2.1.8.

3.2.3.13.2. At no time shall any sandblasting or painting be

permitted in or near the dry dock, while the propeller, tail shaft, and seals are being worked on while in the dry dock.

3.2.3.13.3. Remove and dispose of all oil and water (if any) from the stern tube, head tank, and sump. Open the sump and head tank and clean each tank of sludge and sediment using lint free rags and solvent. All oil from the stern tube lube oil system removed for the performance of work, shall be replenished with new oil.

3.2.3.13.4. Under the guidance of the service representative, take bearing wear down readings.

3.2.3.13.5. Under the guidance of the Rolls-Royce technical

representative, disconnect the CPP valve rod and drift the tailshaft aft to facilitate renewal of the stern tube seals.

3.2.3.13.6. Disassemble the forward and aft tail shaft stern tube seal assemblies to the extent necessary to replace the seals with new seal kits. Perform a visual surface inspection of the forward and aft shaft seal liners to ensure that the new seals will be seated on liners which are clean and true. If required by the Wärtsilä Defense service representative, perform a dimensional inspection of the outside diameter (OD) of the liners and record the readings. Note: New liners were installed in 2008.

3.2.3.13.7. Provide and install a new 240 MKII Aft Seal Kit, including Viton O-rings, Garter Springs, Gaskets, and Lock Washers, P/N A32-A024-2147K. Provide and install a new 240 MKII Fwd Seal Kit, including Viton O-rings, Garter Springs, and Gaskets, P/N MKII-F024-0190K. Only genuine Wärtsilä parts may be used. Note: The most current information from Wärtsilä Defense at the time this specification was prepared, indicates delivery to be approximately three weeks after receipt of order (ARO). Verify seal kit delivery from the supplier, and ensure that new seal kits are ordered in time to perform seal renewals while the ship is on drydock.

3.2.3.13.8. Upon completion of all work and reassembly of the forward and aft stern tube seal assemblies, fill the entire stern tube lube oil system, including gravity and sump tanks with new environmentally friendly, readily biodegradable stern tube oil having an ISO viscosity rating of 68 (SAE 30) which has been approved for use by Wärtsilä. See Note 3.2.5.4 for one such approved oil. New oil shall be filtered through a filter cart with a 10 micron filter. Ensure that the forward and aft seal cavities are also filled with oil. After the stern tube lube oil system is replenished with new oil, inspect the forward and aft seal assemblies for leaks, while the ship is on drydock.

Inspect the gravity tank, sump tank, and other piping and components in the stern tube lube oil system for leaks. Perform an operational test of the stern tube lube oil system in conjunction with a leak inspection. Inspect the section of stern tube lube oil piping located in Ballast Tank No. 8 for leaks. Correct all discrepancies found.

3.2.3.13.9. When the ship is refloated, and prior to any

operational testing of the main tail shaft, under the guidance of the Wärtsilä Defense service representative, perform a forward liner run out inspection and make adjustments as required to ensure the forward seals are sitting true on the liner.

3.2.3.13.10. At undocking with normal system pressures on the stern tube shaft seal system, inspect for leaks again to ensure no oil leaks prior to getting underway for the sea trial.

3.2.3.13.11. After all work is completed on the tail shaft stern tube seals and system, provide three copies of the Wärtsilä Defense service representative’s report of all work performed and readings taken to the COR.

3.2.3.14. Bow Thruster Overhaul

3.2.3.14.1. Perform servicing and inspection of the bow thruster in accordance with Reference 3.2.1.9 and the following requirements. Accomplish all work on the bow thruster under the guidance of a Hundested manufacturer’s service representative (see Note 3.2.5.1). Bow Thruster component part numbers are based on the manufacturer’s drawing no. 0-023-10228-03, “SFT 5 Bow Thruster Assembly“, and drawing no. 0-023-14957-00, “SFT 5 Konsol Saml. BT 1187“, which are included in Reference 3.2.1.9.

3.2.3.14.2. Perform high pressure wash of the bow thruster

tunnel, angle drive unit, support struts, and the propeller head in the same manner as required in paragraph 3.2.3.7, above.

Perform cleaning and polishing of the propeller head and blades in the same manner as required in paragraph 3.2.3.10, above. As indicated in the above paragraph, care shall be taken not to remove match marks and serial numbers.

3.2.3.14.3. Refer to Drawing No. 0-023-10228-03, “SFT 5 Bow

Thruster Assembly“ for the following servicing requirements.

3.2.3.14.4. Perform a visual inspection of the propeller shroud or bearing cover P/N 13, and the propeller head P/N 4, for any oil seepage between them. Measure radial bearing clearance of bow thruster output shaft.

3.2.3.14.5. Confirm that the match mark on propeller blade and hub are lined up. Perform any adjustments to the match mark required by loosening the nut, P/N 2, and adjusting the shaft or spindle, P/N 3. After making any adjustments, re-tighten P/N 2, and confirm that it is torqued to the manufacturer’s specifications.

3.2.3.14.6. Open the magnetic drain plug, P/N 56, and drain all gear oil and any water from the system into a clean bucket for examination. Visually inspect for metal particles, rust, and other possible foreign matter. Clean the magnetic drain plug of all metal particles collected on the plug.

3.2.3.14.7. After draining the gear oil, cleaning the magnetic drain plug, and performing an inspection of the drained gear oil, reinstall the magnetic drain plug and refill with new gear oil via the head tank. Note: The gear oil head or gravity tank is located on main deck in the net gear stowage space, mounted on the foundation pedestal for the forward crane, on centerline at frame 12. New oil provided shall be Kluberbio Eg2 100 gear oil. The capacity of the head tank is 22 liters and the capacity of the bow thruster gear housing is six liters.

3.2.3.14.8. Perform a visual inspection of the propeller gear housing, the angle drive unit, and all gear oil tubing for leaks.

3.2.3.14.9. Press up the propeller head with water emulsifying grease through the drain plug in the propeller head.

3.2.3.14.10. Refer to Drawing No. 0-023-14957-00, “SFT 5 Konsol Saml. BT 1187“ for the following servicing requirement for the Megiflex couplings on the intermediate vertical tube, or drive shaft.

3.2.3.14.11. Open the upper and lower inspection covers, P/N’s 10 and 15. Remove the electric motor from the motor bracket and remove the intermediate shaft from the ship to a machine ship.

Renew both Megiflex couplings. Remove the thruster assembly from the ship to a machine shop and renew inboard and outboard seals. Renew bearings and wear rings. Inspect and check tightness on all coupling bolts, allen bolts, and set screws.

Check tightening torque values in accordance with the instructions provided in Reference 3.2.1.9. After verifying coupling bolt and set screw tightness, reinstall the upper and lower inspection covers.

3.2.3.14.12. After all modifications and repairs to the

underwater hull are completed, including all underwater hull modifications required in other items of these specifications, provide the COR three final marked-up copies of the ship’s docking plan in accordance with reference (a), section 3.5.6.

Contractor shall also document any repairs and alterations made on the final docking report form, and shall submit the report with the marked-copy of the docking plan.

3.2.3.15. Technical representatives from Rolls-Royce Naval

Marine, Wärtsilä Defense, and Pacific Marine Equipment shall participate in the sea trials per paragraph 2.2.15.

3.2.4. Quality Assurance

3.2.4.1. In accordance with References 3.2.1.1, 3.2.1.2, 3.2.1.3, 3.2.1.7, and 3.2.1.8, and the contractor’s Quality Assurance plan.

3.2.4.2. Along with an Ameron Paint Company representative and the COR, inspect cleanliness of hull immediately after water washing.

3.2.5. Notes

3.2.5.1. Parts ordering information and manufacturer’s service representative arrangements for the bow thruster can be obtained from the following source:

Pacific Marine Equipment, Inc.

3425 16th Avenue West Seattle, WA 98119 Attn: Joel Bond Tel: (206) 281-9841 Fax: (206) 281-9843 e-mail: joel@pmeseattle.com

3.2.5.2. Parts ordering information and manufacturer’s service representative arrangements for the tail shaft stern tube seals can be obtained from the following source:

Wärtsilä Defense, Inc.

mailto:joel@pmeseattle.com

3617 Koppens Way Chesapeake, VA. 23323 Attn: Scott Miller Tel: (757) 966-5420 Cell: (757) 927-4422 Fax: (757) 558-4831 e-mail: scott.miller@Wartsiladefense.com

3.2.5.3. Parts ordering information and manufacturer’s service representative arrangements for the tail shaft stern tube seals can be obtained from the following source:

Rolls-Royce Naval Marine, Inc.

110 Norfolk St.

Walpole, MA 02081 Attn: Thomas Reinert Tel: (508) 734-1171 e-mail: thomas.reinert@Rolls-Royce.com

3.2.5.4. The following is one environmentally friendly stern

tube oil approved for use on Oregon II by Wärtsilä, the stern tube seal manufacturer:

Vickers Hydrox Bio 68 Vickers Oils 6 Clarence Road Leeds LS10 1ND, England Tel: +4(0)113-386-7654 Fax: +4(0)113-386-7676 E-Mail: inbox@vickers-oil.com

3.2.5.5. References 3.2.1.7, 3.2.1.8, 3.2.1.9, and 3.2.1.10

will be made available for review during scheduled pre-bid inspections, at the Port Engineer’s office at the Gulf Marine Support Facility, 151 Watts Ave., Pascagoula, MS., and during the performance period as needed.

3.3. Hull Valves Inspection and Overhaul

3.3.1. References

3.3.1.1. NOAA Standard Specification, AMC-505-1B, “Valve

Overhaul and Test“

3.3.1.2. NOAA Standard Specification, MOC-631-2D, “Coating

Systems for Steel Surfaces“

3.3.1.3. Oregon II Dwg. No. S48-1-7, “Bilge and Ballast System“

3.3.1.4. Oregon II Dwg. No. S48-3-3, “Fire Main and Salt Water Service System“

3.3.1.5. Oregon II Dwg. No. S48-5-4, “Saltwater Cooling Piping“

3.3.1.6. Oregon II Dwg. No. S48-23-1, "Sea Chests, Sumps, & Wet Lab Disposal Chute."

3.3.1.7. Oregon II Dwg. No. S48-23-2, “New Service Water Sea

Chest“

3.3.2. Government-Furnished Material

3.3.2.1. None.

3.3.3. Requirements

3.3.3.1. Remove, overhaul, test, and reinstall the valves

listed in paragraph 3.3.3.11 in accordance with Reference 3.3.1.1, with the following exception: all valves 2 inches and under shall be renewed in kind rather than overhauled. New valves must undergo and pass hydrostatic testing, same as overhauled valves. Match mark all flanges and spool pieces prior to removing from the ship to identify valve location and orientation for re-installation following shop overhaul.

3.3.3.2. Water Blast [Jet Blast] and paint interior sections of sea suction and overboard discharge piping spool pieces and hull penetration fittings in accordance with the Underwater Body Coating system. The entire wetted surface of each spool piece and hull penetration fitting shall be cleaned and painted from shell plate to the first valve.

3.3.3.3. Provide the services of a Non-Destructive Testing

(NDT) technician to perform Ultrasonic Thickness (UT) gaugings on all hull shell plate spool pipe penetration fittings, on sea chests and sea suction intakes, and on overboard discharges.

Estimate ten UT thickness gage readings shall be taken on each spool piece to obtain a representative sample of their condition. Provide a report to the COR with recommendations for repairs or replacements, if any. Estimate the number of spool pieces requiring NDT to be equal to the number of skin valves listed for overhaul in these specification.

3.3.3.4. Install new overhaul kits in all butterfly valves

(boot, O-rings, fasteners, and teflon bushings).

3.3.3.5. Renew all cotter pins and swing check valve clapper

pins with monel.

3.3.3.6. After reassembly and prior to shop hydrostatic

pressure test, coat the interior of all ferrous valves with a prime coat of blue wash primer or equal.

3.3.3.7. Prior to re-installing on the ship, apply one coat of epoxy primer and two finish coats of enamel to each ferrous valve and spool waster piece worked in this item. Retain existing color code used by the ship to identify systems.

Bronze and stainless steel valves will not require exterior coating, but do require a color coded stripe applied on the valve body, if required by the ship’s engineering department.

3.3.3.8. Coat all stainless steel bolts and stud threads

liberally with “Anti-Seize“ lubricant prior to installing and tightening up on threads to prevent galling and seizing of the threads.

3.3.3.9. Match mark all flanges and spool pieces prior to

removing from the ship, and to identify valve orientation and location for reinstallation after shop overhaul.

3.3.3.10. The following sea valves are listed below for

overhaul/replacement:

SERVICE LOCATION TYPE SIZE QTY

Aft Sea Chest Fire Pump Suct.

Port Side Engine Room Lower Level

Gate 6“ 1

Aft Sea Chest Vent

Port Side Engine Room Lower Level

Gate 1.5“ 1

High Sea Chest Suction

Port Side Engine Room Lower Level Fwd

Gate 6“ 1

Low Sea Chest Suction

Port and Stbd Engine Room Lower Lvl Fwd

Gate 6“ 2

Main Sea Suction & Cross Over Common

Engine Room Lower Level Fwd

Butterfly

6“ 2

Main Sea Chest Duplex Suction Strainers

Engine Room Lower Level Port and Stbd

Tate Andale Duplex Strainer Plug Type

6“ 2

General Service Pump Suction

Engine Room Lower Level Port Side

Gate 3.5“ 1

Mn. Port, Stbd, & Aft Sea Chest Blow Down

Engine Room Lower Level @ Sea Chests

Gate 3/4“ 3

Mn. Port, Stbd, & Aft Sea Chest Vent

Engine Room Lower Level @ Sea Chests

Gate 1.5“ 4

Sea Water Sampling System Suction

Engine Room Lower Level, Stbd Side @ Sea Wtr Service & Sampling Sea Chest

Gate 2“ 1

Main Overboard Discharge

Engine Room Lower Level

Globe 3.5“ 2

General Service Pump Overboard Discharge

Engine Room Lower Level Port Side

Globe Stop Check

4“ 1

RO Units Overboard Discharge

Engine Room Upper Level, Stbd Side, Aft of RO units

Globe 2“ 1

Drain Overboard Engine Room Upper Level, Port Side, Machine Shop

Check 2“ 2

MSD & Gray Water Overboard Discharge

Sonar Room, Port Side Aft of Potable Water Tank

Globe 4“ 1

Forward Reefer Plant Overboard Discharge

Forward Reefer Machinery Space, Port Side

Gate 6“ 1

Forward Reefer Plant Overboard Discharge

Forward Reefer Machinery Space, Port Side

Check 6“ 1

Bilge Pump Overboard Discharge

Engine Room Lower Level, Stbd Side

Globe Stop Check

3“ 1

Gray Water Drain Overboard

Engineer’s Stores Cage Aft, Port Side

Check 2“ 2

Gray Water Drain Overboard

Dry Stores Compartment Aft Stbd Side

Check 2“ 2

Gray Water Drain Overboard

Crews Stateroom Fwd? Check 2“ 2

Port Transducer Well Vent

Sonar Room, Port Side of Centerline

Gate 1“ 1

Fuel Manifold Valves

Engine Room Lower Level Forward Bulkhead

Globe 2" 20

Gray Water/Deck Drains Overboard

Engine Room Upper Level, Port Side Outboard Hot Wtr Htr

Gate Check

2“ 2“

Main Engine Emergency Cooling Water

Engine Room, Lower Level Port & Stbd Side

Gate 3“ 2

SS Diesel Generator Emergency Cooling Water

Engine Room, Lower Level Port & Stbd Side

Gate 2.5“ 2

SS Diesel Generator Overboard Discharge

Engine Room Port and Stbd Side

Gate 2“ 2

AC/Reefer Plants Overboard Discharge

Engine Room Upper Level, Stbd

Globe 3“ 1

Fire Pump Sea Suction

Engine Room Lower Level, Port Side Aft

Gate Gate

4“ 3“

Fire Pump & General Service Pump Crossover

Engine Room Lower Level, Port Side

Gate 2.5“ 1

Sea Water Cooling Overboard Discharge

Engine Room Upper Level, Stbd Side Near RO Units

Globe Check

3“ 3“

RO Unit Sea Suction

Engine Room Lower Level, Main Stbd Sea Chest

Gate 2“ 1

Shower & Lavatory Drain Overboard

Crews Stateroom No.

6, Lower Level

Check 2“ 1

Emergency Bilge Suction

Engine Room Lower Level, Stbd Side, Fr.

52, Inboard of Bilge Pump Duplex Strainer

Check 4“ 1

Wet Lab Disposal Chute Scupper

Wet Lab, stbd side, between frames 54 &

Swing check 12" 1

MSD Overboard MSD Room Check (union ends)

1.75

Hydraulic Tank Suction

Engine Room Butterfly 3" 4

Pt Strainers

Stbd Strainer

Fwd Reefer Space

Gate 8" 1

Emerg Suction Crossover

Gate 4" 1

3.3.4. Quality Assurance

3.3.4.1. In accordance with References 3.3.1.1 and 3.3.1.2.

Plan and schedule “Checkpoints“ during the valve overhaul process at the shop facility, based on the inspection and testing requirements in Reference 3.3.1.1.

3.3.4.2. Visually inspect all hull valves and their respective locations based on the list provided. Edit and mark-up the list as needed to properly identify the valve service, location, type, size, and quantity. Provide a revised list to the COR after performing these specification requirements.

3.3.4.3. After reinstallation of all hull valves, contractor

shall open all valves during refloating of the ship and inspect for leaks at all valve gland, bonnet, and flange joint locations. All discrepancies found shall be corrected prior to the ship getting off drydock.

3.3.5. Notes

3.3.5.1. All the information provided in References 3.3.1.3, 3.3.1.4, 3.3.1.5, and 3.3.1.6 may not be totally accurate, therefore a verification ship check is recommended.

3.3.5.2. References 3.3.1.3, 3.3.1.4, and 3.3.1.5, were

produced by a former NOAA contracted design engineering firm, after the ship’s 1998 major drydocking repair period. Reference

3.3.1.6 was produced by the prime contractor in the ship’s 2001 drydocking repair period. The new sea water service sea chest drawing was reviewed and approved by ABS during the 2001 performance period. Some variances in the construction of the new sea chest were performed to satisfy the attending ABS surveyor, and to allow proper fit-up in way of structural and piping modifications.

3.3.5.3. The term "boot" in reference 3.3.1.1, paragraph 3.1.10 with respect to butterfly valves, means the resilient seat.

3.4. Aft Peak Tank Ballast Removal, Structure Inspection &

Ballast Reinstallation.

3.4.1. References

3.4.1.1. NOAA Standard Specification MOC-631-2D, “Coating

Systems for Steel Surfaces”

3.4.2. Government Furnished Equipment

3.4.2.1. None

3.4.3. Requirements

3.4.3.1. Remove concrete ballast form aft peak tank.

3.4.3.1.1. Concrete Ballast shall be collected and weighed to determine weight of replacement ballast.

3.4.3.2. Inspect the coating system in the void with the COR to determine condition.

3.4.3.2.1. Prepare the void to a SSPC-SP-7 sweep blast to

prepare for structure inspection.

3.4.3.3. Inspect all structure in the peak tank in the presence of the COR / Port Engineer and ABS Surveyor. Provide a detailed report of findings and recommendations for repair.

3.4.3.4. Prep and Paint void per Item 3.10

3.4.3.5. Renew Removed Ballast with the same weight and location removed.

3.4.3.5.1. Concrete

3.4.3.5.2. Lead (Option)

3.4.3.6. Perform close out inspection with Ships Crew, COR /

Port Engineer and ABS Surveyor.

3.4.3.7. Provide report for repairs completed and close out

inspection.

3.4.4. Quality Assurance

3.4.4.1. No Additional Requirements.

3.4.5. Notes

3.4.5.1. None

End of Item

3.5. ABS Load Line Survey

3.5.1. References

3.5.1.1. NOAA Standard Specification…