J.1_NOAA_SHIP_OKEANOS_EXPLORER_(R-337)_FY_2019_Drydock_Repair_Specifications_REV_2.pdf

NOAA Ship Okeanos Explorer (R-337)

FY 2019

DRYDOCK REPAIR SPECIFICATIONS - REV 2

FY 2019 DRYDOCK REPAIRS for NOAA Ship Okeanos Explorer

TABLE OF CONTENTS

DESCRIPTION/TITLE PAGE

1. SCOPE 4

2. GENERAL 5

3. BASE ITEMS 12

3.1 Temporary Services 12

3.2 Drydocking and Routine Drydock Work 17

3.3 Propeller and Tailshaft Inspection and Repair 23

3.4 Grating Structure Repairs and Deck Painting 27

3.5 Underwater Hull Preservation and Coating 32

3.6 Sea Valve Overhauls 37

3.7 Main Propulsion FWD Bearing Inspection 44

3.8 Dock and Sea Trials 46

3.9 Forepeak Tank (4-B-0-W) Repairs 50

3.10 ADCP 38kHz Transducer Cable Replacement 55

3.11 Annual Liferaft Inspections 57

3.12 Annual Fire Detection and Suppression Inspect. 59

3.13 Transducer Kick Pipe Replacement 63

3.14 MCT Electrical Work 66

3.15 Fuel Oil Valve Replacement 72

3.16 Misc. Pipe Replacement and Cleaning 74

3.17 ELINCA Anode Plug Replacement 83

3.18 Underwater Scientific Equipment Preservation 86

3.19 DELETED – MOVED TO OPTION ITEM 5.19 95

3.20 Electrical Penetration Replacement 99

3.21 Ballast Water Treatment System Installation 103

3.22 Galley Range Replacement and Fryer Install 118

3.23 Fuel Oil Gooseneck Vent Repair 121

3.24 Exhaust Stack Steel Repairs 124

3.25 Cleaning Gear Lockers Deck Covering Renewal 126

3.26 Miscellaneous Repairs, Calibrations and Mat. 133

3.27 A/C Plant Valve Replacement 136

4. ADDITIONAL WORK 139

4.1 Additional Work 139

5. OPTION ITEMS 140

5.1 Main SWBD, EDG SWBD, and Tranform. Clean and Insp. 140

5.2 Winch Room/Workshop Bilge Preservation 143

5.3 Main Deck STBD Bulkwark Doors - Refurbish 146

5.4 Deck Crane and ROV Crane 149

5.5 VestDavit Servicing – HPU/Tank Replacement 154

5.6 CHT Hose Replacement/CHT Tank Painting 157

5.7 Relocation of Temperature Sensor 162

5.8 Speed Log Replacement 166

5.9 Deleted 171

5.10 Freeboard Preservation 172

5.11 Bridge Wing Cable Penetration Replacements 175

5.12 Installation of Padeyes 179

5.13 ROV Service Pit Preservation 182

5.14 Heating, Ventilation and A/C Duct Cleaning 185

5.15 ADCP 38kHz Transducer Replacement 188

5.16 Gangway Inspection and Repair 196

5.17 300 kHz Transducer Installation 198

5.18 Flexible and Hydraulic Hose Replacement 202

5.19 Bow and Stern Thruster Servicing/Brake Repair 203

1.0 SCOPE

1.1 These Detail Specifications contain the requirements for drydock repairs and modifications to NOAA Ship Okeanos Explorer.

2.0 GENERAL

2.1 References

2.1.1 NOAA Standard Specification No. AMC-000-1G, “General

Requirements for Ship Repair Work on NOAA Ships.”

2.1.2 NOAA Standard Specification S1600, “Structural Access Cuts.”

2.1.3 NOAA Standard Specification, S2906, “Arc Welding on Waterborne Vessels.”

2.1.4 NOAA Standard Specification MOC-631-2D, “Coating Systems for Steel Surfaces.”

2.1.5 Drawing No. OE-601-101, “NOAA Ship Okeanos Explorer General Arrangement.”

2.1.6 Drawing No. OE-123-101, NOAA Ship Okeanos Explorer Tank Soundings Tables.”

2.1.7 NOAA Weight Report Form, Microsoft XL Format, “Weight

Report.xls”

2.1.8 Drydock Worksheet

2.1.9 NOAA Form 57-17-09 – NOAA Hot Work Permit

2.2 Requirements

2.2.1 Reference 2.1.1 forms 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.

2.2.2 References 2.1.2 and 2.1.3 are amplifications of the

requirements contained in reference 2.1.1 sections 4.17 and 4.21.

2.2.3 Some of the ship’s drawings have not been updated to reflect modifications to the ship during activation and conversion in 2007.

These drawings and reference documents are for planning purposes only.

Actual shipboard configurations and conditions may be different from what is listed. Contractor shall be responsible for verifying all current configuration, construction, and arrangement changes, as necessary, to comply with and perform the work requirements of these specifications. Contractors are encouraged and expected to review ship’s drawings and to perform a field inspection to inspect the locations and shipboard conditions where services are to be performed aboard the Okeanos Explorer prior to submitting a bid proposal. This inspection should satisfy potential contractors regarding all general and local conditions, (including locations, interferences, tolerances and necessary “work-arounds, etc)that may affect the cost of contract performance, to the extent that the information is reasonably obtainable. In no event shall failure to inspect the sites constitute grounds for a change order or claim after contract award.

2.2.4 Ship’s drawings and technical publications may be borrowed during the performance period. It would be preferable for the contractor to make copies of these drawing and technical publications if their intended use will be outside an office environment. 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 is required.

2.2.5 Provide and maintain a status report of all American Bureau of Shipping (ABS) inspections and technical reviews required by ABS, during the course of this contract, to ensure the ship’s ABS certification requirements are in compliance. Submit weekly ABS status reports to the COR, along with the preliminary progress reports.

2.2.6 All visual examination, hydrostatic testing, and non-

destructive testing shall be in accordance with ABS Rules for Building and Classing Steel Vessels, Survey After Construction 2005, Part 7. All contractors performing NDT and hull gauging shall be certified under the ABS external specialists program.

2.2.7 On the first day of the contract performance period, provide the COR a detailed production schedule. Then, on a weekly basis (on the day preceding the Weekly Progress Meeting) provide the COR a revised and updated production schedule reflecting actual work progress. These deliverables shall be in Microsoft Project electronic format and 3 paper copies.

2.2.7.1 At the request of the COR, the contractor shall have daily production meetings with trade supervisors and the COR to discuss progress, milestones, labor levels and other project issues (at no additional cost to the Government).

2.2.7.2 Contractor (Project Manager or COR approved alternate) shall attend all shipboard safety meetings (normally at 0800 on the bridge) during the contract period for all days in which the contractor will be performing work on the ship.

2.2.8 Safety and housekeeping walkthrough inspections of the ship, pier, dockfloor and other productions areas shall be conducted on a regular basis (daily or more frequent) by the contractor as per section

4.11.5 of reference 2.1.1.

2.2.8.1 Contractor shall clean up all production areas, sweep up messes, clear all trash and debris and roll back all lines and leads at the end of each shift.

2.2.9 All new equipment and furnishings purchased by the Contractor for installation on the vessel shall be provided with factory or vendor supplied certificates, technical manuals, and 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. 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. Provide four paper copies of each manual, plus one electronic copy in Abode Acrobat .pdf format.

2.2.10 Submit all inspection, test, and quality reports to the COR in Corel WordPerfect or Microsoft Word electronic software formats, in addition to providing hard paper copies.

2.2.11 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 and a breakdown of their locations by space, deck, frame, distance from centerline, and height above the deck.

Reference 2.1.7 has been provided for the Contractor to identify, record, and document all weight changes for submitting the summary reports. Contractor may use their own weight report form for documenting weight changes. All the information required must be tracked and documented on any form provided.

2.2.12 The removal of all recyclable material from the ship (valves, steel, etc) shall be coordinated with COR for scrap recycling with the value credited to the Government

2.2.13 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 all paint systems disturbed while accomplishing work items, in accordance with Reference 2.1.4. Finish coat colors and paint type shall match those of the surrounding, unmodified area.

2.2.14 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. Crew availability is generally limited to the hours of 0800 and 1500 local time, Monday through Friday. Unless otherwise specified, provide a minimum of two working days’ prior notice for any equipment operations or system tag-outs.

2.2.15 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.

2.2.14 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 or systems shall be witnessed by the COR, ABS, and/or USCG as applicable, to ensure compliance with regulatory body requirements to maintain the ship’s ABS class certification, and to complete all requirements of these specifications.

2.2.15 These Detailed 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 work requirements.

When specific details are required, the Government will provide design/detail specifications; this will be more the exception, than the rule.

2.2.16 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 and to perform a field inspection of the ship prior to submitting a bid. Copies of drawings and technical manuals not included herein may be made available for review during any scheduled pre-bid inspection and during the performance period. Contractors may review available drawings and technical manuals on board ship.

2.2.17 On weekly basis, provide the COR with a project staffing plan (paper and electronically) by trade/craft and subcontractor showing how the project will be appropriately staffed to be completed by the end of the performance period. The plan should show the planned labor needed and actual labor hours assigned

2.2.17.1 – The contractor will issue an updated staffing plan within 48 hours each time any growth work is approved.

2.2.18 Maintenance of ABS Class and Certificates

2.2.18.1 All ABS rules required to maintain the ship’s Class and Certificates shall be adhered to by the contractor. This includes all rules for material, fabrication, quality control, inspection, and ABS on-site survey of work. Specifications may call out ABS surveyor inspection, but not all ABS inspections are necessarily identified in the specifications. The contractor shall consult with ABS on the entire work package and changes and assure ABS involvement where required to maintain Class and Certificates.

2.2.18.2 Contractor shall develop, in consultation with the American Bureau of Shipping (ABS) Surveyor, a written survey schedule that lists the items to be inspected and the scheduled dates and times of the inspections. Submit the survey schedule to the COR within 48 hours after the start of the contract performance period. The survey schedule shall list all initial inspections required by the ABS Surveyor. In addition, the Contractor shall schedule the services of an ABS Surveyor as required by ABS for performing inspections of all new installations, hull modifications, tank inspections, gauging inspections, and load tests.

2.2.18.3 The contractor is responsible for scheduling and

facilitating ABS inspections and shall provide NOAA with copies of all correspondence with ABS. The costs of ABS ship surveys/inspections will be borne by the Government. However, the scheduling of ABS surveys/inspections remains the Contractor’s responsibility.

2.2.18.3.1 The following is a list of ABS Surveys and Inspections due during the contract performance period and shall be scheduled, coordinated and facilitated by the contractor:

2.2.18.3.1.1 Annual Automation Survey

2.2.18.3.1.2 Annual Hull Survey

2.2.18.3.1.3 Annual Machinery Survey

2.2.18.3.1.4 Drydock Survey

2.2.18.3.1.5 Annual Load Line Survey

2.2.18.3.1.6 Contractor shall empty, open, clean and certify (safe for entry) all shipboard tanks ABS requires open for surveys and inspections. Tanks shall include Ballast Water Tanks, Potable Water Tanks, Sewage Tanks, Waste Oil and Bilge Tanks, and Fuel Oil Tanks.

2.2.19 In addition to the contractor’s requirements for hotwork and firewatches – Firewatches for hotwork shall be required as outlined in section 4.11.3 of Reference 2.1.1. Additionally, the contractor is required to fill out, maintain and comply with reference 2.1.9 (NOAA Hot Work Chit) for all hotwork completed on the ship.

2.3 Quality Assurance

2.3.1 All welders performing work aboard the vessel shall be certified and only perform welding or brazing for processes and materials in which they are certified. A list of all welders and their respective certifications who will be performing work aboard the vessel during the period of performance shall be provided to the COR within 3 days after the beginning of the period of performance.

2.4 Notes

2.4.1 The following descriptive data of the ship is provided for information:

Length, Overall......................................224’ 0” Length, BP...........................................194’ 0” Beam, Molded..........................................43’ 0” Mean Draft, Loadline..................................15’ 1” Displacement, Loadline.............................2311.5 LT Displacement, Lightship............................1591.2 LT Cruising Speed......................................11 knots Officer & Crew Size Scientists and Technicians Electric Service.......450 VAC, 60 Hz, 3 PH, 800 Amp Service Propulsion.......................Diesel electric, twin screw

2.4.2 NOAA Ship Okeanos Explorer is classed A1, E, AMS, and ACCU and identified with the following:

Official Number - CG023672

ABS ID - 901987

IMO NUMBER – 8835114

2.4.3. The ship is available for pre-bid inspection at 0800 on Thursday October 25th, 2018, while the vessel is dockside at the U.S.

Coast Guard Base in San Juan, Puerto Rico. Prospective Offerors are strongly encouraged to attend. Arrangements for inspection shall be made with NOAA Port Engineer Andrew MacKay. Cell: (904) 718-6846; e-mail: ANDREW.MACKAY@NOAA.GOV mailto:ANDREW.MACKAY@NOAA.GOV

2.4.4 GOVERNMENT FURNISHED MATERIAL/EQUIPMENT

ITEM QTY DESCRIPTION EST COST

3.2 3 ea. copper anode (part no. EL40040-9) $5,000 ea

3.2 3 ea. iron anode (part no. EL40039-9) $4,500 ea

3.19 1 ea. Bow Thruster Brake Assem. $11,950 ea

3.21 1 ea. Alfa Laval PureBallast 3.1 HP BWMS $146,100 ea

3.21 1 ea. Alfa Laval BWMS RC Panel $5,300 ea

3.21 1 ea. Alfa Laval BWMS 100mm Recirc Valve $1,250 ea

3.21 1 ea. Alfa Laval BWMS Booster Pump $5,225 ea

2.4.5 Contractors are encouraged to review ship’s drawings and are encouraged to attend the Okeanos Explorer pre-bid inspection to inspect the locations and shipboard conditions of the work items in this package prior to submitting a bid proposal. This inspection should satisfy potential contractors regarding all general and local conditions, compatibility, locations, material sizes and types, components, and accessibility that may affect the cost of contract performance, to the extent that the information is reasonably obtainable. In no event shall failure to inspect the sites during the pre-bid inspection constitute grounds for a change order or claim after contract award.

3.0 BASE ITEMS

3.1 TEMPORARY SERVICES

3.1.1 References

3.1.1.1 NOAA Standard Specification AMC-000-2C, "Temporary Services at Contractor Facilities"

3.1.1.1 Photos of Temporary Services Piping Connections

3.1.2 Government-Furnished Material

3.1.2.1 None

3.1.3 Requirements

3.1.3.1 Provide all temporary services required in accordance with Reference 3.1.1.1.

3.1.3.2 The following additional information and requirements apply:

(a) Electric power: Provide two 450 VAC, 3 Phase, 60 Hertz, 400 Amp circuits [800 amps total] with NATO plugs and pig tails. All power supplied to the ship shall be clean, with no indications of ground faults on the ship’s main switchboard. Total Harmonic Distortion (THD) shall not be greater than 6%. Voltage at the ship’s switchboard shall not vary by more than 3% the prescribed 450 VAC requirement. All ground fault deficiencies associated with the Contractor’s power supplied to the ship, shall be corrected at the Contractor’s expense.

Such expense shall include housing allowance for ship’s crew, if the ship is still habitable at the time the deficiency is noted.

(b) Telephone lines: Provide four telephone lines. Connect two voice lines to the ship's telephone connection box above the shore power station at frame 72 on the 01-deck. Connect two voice lines to the shore offices (one in the COR's office and one in the ship's office).

(c) 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 15 Mbps. 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 ship and COR’s dockside office space(s). All necessary cabling, DSL or cable modem(s), or fiber translators shall be provided for an RJ-45 network connection to the ship and office(s) routers. Provide a minimum of one Internet Protocol (IP) address with Directory Name Server (DNS) service for each of the ship and dockside office(s) locations. The ship’s electronic technician (ET) will provide the necessary routers and switches needed.

(e) Provide onboard Security Service. In addition to Reference 3.1.1.1 requirements, increase security round frequency from two-hour intervals to one-hour intervals from 1600 to 0800 on weekdays. Additionally, the contractor shall provide 24 hour on-ship security during weekends, holidays, and anytime the ship is not inhabitable and security rounds should be completed every hour.

(f) Air: Provide 125 psi dry, filtered, compressed air to a manifold on deck. No connection shall be made by the contractors or their subcontractors to the ship’s compressed air distribution system.

(g) Cooling Water:Provide 300 gpm @ 100 psig capacity, for ship’s auxiliary sea water system which supports all refrigeration plant cooling water, air conditioning plant cooling water, and sanitary system toilet flushing needs (NOTE, the ship’s sea water system provides 600 gpm for full load – engines running). In the event the sea water or cooling water provided to these systems is disrupted or disabled, an alternate means of providing water service to these systems shall be the Contractor’s responsibility. Provide a pressure regulator on the discharge side of the Contractor’s cooling water supply to the ship’s systems capable of regulating pressure between 25 psig and 80 psig. Contractor may provide separate cooling water service connections to meet the ship’s cooling water systems needs at designated hook-up locations. See ship’s Chief Engineer for individual cooling water service hook-up locations and pressure requirements for the separate systems.Make-up temporary by-pass hose and/or piping arrangements to support the ship’s AC and refrigeration plant cooling water needs, in conjunction with the work requirements of other items in these specifications.

(h) Protective Covering: In addition to the protective coverings specified in paragraph 4.5.1 of Reference 3.1.1.1, place a layer of heavy duty (minimum thickness of 4 mils) plastic sheeting between the deck and the protective covering.

(i) Parking Spaces: Provide ten (10) reserved vehicle parking spaces within 100 feet of the dockside office spaces. Identify additional parking spaces for up to fifteen (15) vehicles, within or outside the shipyard, which may be available for parking by ship’s personnel and other NOAA representatives.

(j) Office Spaces: Provide two secure locked office spaces (one office space for the COR and one for ship’s office space). Each office space shall be square or rectangular and a minimum of 100 square feet.

Provide three sets of keys to each space to the COR. COR’s office shall be made available five days prior to the ship’s arrival at the Contractor’s facility and shall remain so until three days after the ship has departed.

(1) Ship’s dockside office shall contain three desks along with six chairs. One phone line shall be provided [described above].

Provide high speed internet service as required in paragraph 3.1.3.2(d) above. Provide one 4-drawer file cabinet with lock set. Add one fire proof safe for ship’s security documents. The minimum interior size of the safe shall be 14-inches long by 18-inches deep by 12-inches high.

(2) COR's dockside office space shall contain one desk, one 48-inch high by 36-inch-wide bookshelf, one circular table and three chairs. Provide one voice phone line [described above]. Provide high speed internet service as required in paragraph 3.1.3.2 (d) above. 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).

(3) A climate-controlled restroom shall be located within 100 feet of both office spaces. Sink shall have hot and cold running water and provided with both antibacterial and degreasing soap.

Restroom shall be cleaned at least every 24 hours.

(k) Storage Container: 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. This container shall be available for the duration of the contract. Provide COR three sets of keys to the lock for this storage container.

(l) Oily Waste Disposal: Pump the bilge oily water holding tanks 4- 60-1- F and 4-60-2 F (estimate 500 gallons on board, up to 3000 gallons maximum), and the sludge tank 3-50-2-F (estimate 50 gallons on board, up to 100 gallons maximum). Pumping of the bilge oily water holding tanks and the sludge tank shall be done at the beginning of the contract performance period. Additional pumping will be required whenever liquid is added to these tanks or spaces as a result of contractor washing down in order to maintain gas-free certification, or other incidental liquid drainage into these spaces as a result of the performance of work.

(m) Bilge Cleaning: Pump Generator Room and Propulsion Motor room bilges at the beginning of the contract period and at the end of the period. Pressure wash, pump, and clean all debris from the bilge at the end of the contract period. Protect all electrical controllers and machinery from overspray and debris prior to pressure washing. Clean out all bilge rose boxes after pressure washing.

(n) Crane Service: Provide crane operator and riggers for ship's force equipment and material lifts needed during normal working hours.

Provide crane lifts with a 5-ton minimum capacity. The COR will provide a minimum of four hours’ notice prior to any lifting required for ship’s force needs. For bidding purposes, assume 40 lifts with the crane in total. In addition, provide adequate clean and cleared pier space (approximately 1,0000 square feet) and vehicle access for staging mission equipment and loading provisions during the last two weeks of the contract period.

(o) Toilet Facilities & Sewage Disposal: Provide temporary toilet facilities and perform sewage system effluent and turbid water disposal at any time the ship’s sanitary system and marine sanitation plant and gray water system operation is disrupted, due to work performance on any other item of these specifications where disruption of these systems will be required. Ships sanitary systems are to be for ship’s crew only. All shipyard personnel and shipyard subcontractors will have their own bathroom and sanitary facilities separate from the ship.

Signs will be prominently placed to make all personnel aware of this rule.

(p) Grey and Black Water Discharge: Provide a connection for the ship’s grey water overboard discharges, located on the starboard hull side, just forward of the Plimsoll mark. Collect and properly dispose of all grey water overboard discharges which shall meet the same requirements for sewage and turbid water disposal, in accordance with paragraph 3.10 of Reference 3.1.1.1.

(q) Trash and Rubbish disposal: Provide trash and rubbish disposal containers or dumpsters to be used by the ship’s crew during the period of performance and up to three days before and 5 days after.

Containers shall be approved for normal trash disposal (general waste) and be located either on the ship or within 100 feet of ship gangway.

(r) Service Interruption: In the event temporary services provided to the ship are reduced or disrupted due to the extent of contract work, thereby rendering 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.

(s) Fueling and Stores: The Okeanos Explorer may take on fuel (barge or semi-truck), scientific equipment and stores in the final days of the contract performance period. The Government will order and pay for all fuel and stores directly. Contractor shall support and coordinate arrival of fuel and stores and provide shipyard services for ship to receive fuel and stores in the event the shipyard moors vessels in a location that is not accessibly by truck or barge.

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 Contractors are encouraged and expected to review ship’s drawings and to perform a field inspection to inspect the locations and shipboard conditions where the work is to be performed aboard the Okeanos Explorer prior to submitting a bid proposal. This inspection should satisfy potential contractors regarding all general and local conditions, that may affect the cost of contract performance, to the extent that the information is reasonably obtainable. In no event shall failure to inspect the sites constitute grounds for a change order or claim after contract award.

END OF ITEM

3.2 DRYDOCKING & ROUTINE DRYDOCKING 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 Drawing No. OE-085-001 Rev F, “Docking Plan”

3.2.1.4 Drawing No. 243-6233870, “Main Propeller Shaft Installation Arrangement and Details”

3.2.1.5 Drawing No. 562-6233911, “Rudder Stock Carrier Bearing Arrgt and Details”

3.2.1.6 Drawing No. 633-6233582, “Zincs Arr & Details”

3.2.1.7 ELINCA Technical Manual, “The ELINCA Anti-Biofouling System”, Series P000 (US), Manual No. 154 in Ship’s Technical Publication Index

3.2.1.8 Form S0700, “NOAA Docking Report”

3.2.1.9 Drydock Worksheet

3.2.1.10 NOAAS Okeanos Explorer Fairing and Transducer Locations Rev 6

3.2.2 Government Furnished Equipment

3.2.2.1 3 ea. copper anode (ELINCA part no. EL40040-9)

3.2.2.2 3 ea. iron anode (ELINCA part no. EL40039-9)

3.2.3 Requirements

3.2.3.1 To allow the Government to evaluate the certification of the drydock and other services, complete the Drydock Worksheet (Reference 3.2.1.9) and submit along with the bid/proposal. Submit a separate completed drydock worksheet for each drydock Contractor may use.

3.2.3.2 Drydock the vessel within the first 72 hours of the contract performance period. Provide drydocking and routine drydock work in accordance with Reference 3.2.1.1. When washing the propellers with high pressure water per paragraph 3.4.1 of Reference 3.2.1.1, the water pressure shall not exceed 10,000 psi.

3.2.3.3 The following information and additional requirements apply:

(a) Block the ship with a minimum of six feet clearance under the keel (forward and aft of the Transducer Fairing Unit (TFU)) in Docking Position No. 3.

(b) When the vessel is set on the keel blocks, prior to lifting it out of the water, have divers ascertain that the bilge blocks are contacting the hull properly and not landing on any underwater appendages or in between frames. The divers shall inform the Dockmaster and COR and then lifting shall continue.

(c) Make special note the requirement in Note 9 of Reference

3.2.1.3 for divers to remove the drainage plug in the TFU before the draft reaches 3 feet in way of the TFU. The plug is located in the center of a manhole cover, stbd side, at approx. Frame 35.

Divers will need a 1-inch Allen wrench to remove the drainage plug.

(d) Provide rudder clearance readings to the COR within the first seven days of ship drydocking during the contract performance period.

(e) In the presence of the ABS surveyor, open drain plugs on rudders. Drain liquid, if any, from rudder interiors. Conduct a 2 psi air test on rudders. Apply an environmentally friendly float coat to rudder interiors by the fill and drain method. See Note 3.2.5.4.

(f) Clean the propeller, bow thruster, and stern thruster blades to bright metal by power brushing. Hard tools and wire brushes shall not be used. See Note 3.2.5.1.

3.2.3.4 Perform the following inspection on the port and starboard rudders:

(a) Jack the rudders forward and aft. Using a dial indicator, measure the amount of travel at the lower end of the lower rudder bearing.

(b) Jack the rudders port and starboard. Using a dial indicator, measure the amount of travel at the lower end of the lower rudder bearing.

(c) With the rudder centered forward and aft and port and starboard, Jack the rudder up and down. With a dial indicator, measure the amount of travel.

(d) Submit a report to the COR indicating the amounts of travel in the rudder bearings for both port and starboard rudders.

3.2.3.5 Provide the ABS Surveyor with prior notice and the

opportunity to inspect any or all portions of ongoing work ordered by this item.

3.2.3.6 Renew hull, sea chest, bow thruster tunnel, and shaft strut zinc anodes as designated by the COR in accordance with References

3.2.1.2 and 3.2.1.6. See Note 3.2.5.2.

(a) Remove and scrap the 84 existing type ZHC-23 zinc anodes.

Clean, prime and paint the areas behind the anodes per Underwater Body Coating item prior to installing the new anodes.

(b) Install 84 new aluminum anodes (equivalent size as the original size of the removed zincs) in the same locations as those removed. Provide and install up to 15 new studs and fasteners for those damaged or missing.

(c) Remove and scrap the existing 4 type ZHC-15 zincs anodes bolted on the outer perimeter of the bow thruster kort nozzle.

Remove these zincs. Install 4 new aluminum anodes in the same locations as those removed.

(d) Anode attachment points and damaged hull paint shall be cleaned and painted after installation in accordance with Underwater Body Coating item. No paint or other permanent coatings are to be applied to the exposed anode surfaces, which shall be clean bare metal. The underwater body side of the anodes shall not contact the hull.

(e) After completion of all anode renewals, visually inspect each new anode to determine proper attachment, and to ensure that the anodes were not painted during painting of the hull.

3.2.3.7 Perform the following work on the ELINCA system in accordance with Reference 3.2.1.7, and under the guidance of an on-site manufacturer’s field engineer (see Note 3.2.5.3):

(a) Test/inspect the operation of the ELINCA system at the following milestones:

(1) prior to drydocking while the vessel is still waterborne,

(2) in the drydock following all work on the system, and

(3) after the ship has been refloated.

(b) Renew one Government-furnished copper anode (ELINCA part no.

EL40040-9) and one Government-furnished iron anode (ELINCA part

no. EL40039-9) in each of the ship’s 3 main sea chests – two located port and starboard in the Main Generator Room 3-34-0-E, and one in the Main Propulsion Motor Room 3-60-0-E.

(c) After installation of the new anodes and refloating of the ship, test the ELINCA system’s control cabinet for proper voltage adjustments to the newly installed anodes.

(d) Turn over removed anodes (3 each copper and iron) to COR after replacement or credit Government for scrap value per direction of the COR

3.2.3.8 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 a final marked-up copy of the ship’s docking plan in accordance with Reference 3.2.1.1, section 3.5.6. Contractor shall also document repairs and alterations made on a final docking report form and submit the report with the marked-up copy of the ship’s docking plan.

3.2.4 Quality Assurance.

3.2.4.1 After the blocks have been set and before lowering the drydock for hauling the ship, conduct a final inspection of the blocking with the COR, Project Manager and the dockmaster. COR to be given 24-hour notice of when the dock will be ready for final inspection. Recheck measurements as necessary to satisfy the COR that the block locations are in accordance with the contract requirements. Acceptance of the blocking arrangement by the COR in no way relieves the Contractor of the responsibility for safely drydocking the ship without strain or damage.

3.2.4.1.1 Contractor shall provide a 300-foot measuring tape during final inspection

3.2.4.2 Record all measurements and observations required on NOAA Docking Report, Reference 3.2.1.8.

3.2.4.3 Prior to docking and undocking the vessel, the dock

floor shall be swept clean of all dirt, grit, loose rust, trash and debris. All oil spots on dock floor and sidewalls shall be removed prior to docking and undocking vessel.

3.2.4.4 Open, Empty, ventilate clean and prepare all tanks for required ABS inspection in accordance with 2.2.18.3.1.6. Vessel will arrive with approximately 50% fuel and may be able to move fuel around from tank to tank during inspection process as coordinate by the Dockmaster and CME. If unable to move fuel due to stability concerns by the Dockmaster, fuel will need to be removed by contractor for the duration of the inspection and any potential repairs reloaded onto ship following closure of tanks.

Tanks Inspections shall start no later than 10 days after the beginning of the period of performance and compete by the 21st day of the period of performance.

3.2.4.5 Schedule, coordinate and facilitate ABS inspections and surveys listed in 2.2.18.3.1.1, 2.2.18.3.1.2, 2.2.18.3.1.3, 2.2.18.3.1.4, 2.2.18.3.1.5.

3.2.5 Notes

3.2.5.1. The ship’s propellers are an anti-singing design. The leading and trailing edges of these propellers are finely finished, and care must be taken not to damage these areas. Exercise caution when polishing the propeller surfaces to minimize removal of metal.

3.2.5.2 Reference 3.2.1.6 shows type ZHS-23 (weld-on strap type) zincs.

These were subsequently replaced by type ZHC-23 (bolt-on) zincs as specified in paragraph 3.2.3.6.

3.2.5.3 The manufacturer’s representative for the ELINCA system is Admiral Filter. The following address and telephone numbers are provided to purchase parts and to arrange for field engineer service:

Admiral Filter 18C Green Pond Rd.

Rockaway, New Jersey 07866 Tel: (973) 948-3252 Fax: (973) 948-3252

3.2.5.4 The following products are acceptable

environmentally friendly float coats for rudder interiors:

Eureka Fluid Film NAS Kellsport Products 22 Boomer St.

Fall River, MA 02720 Tel: (888) 341-4600

Cortec® M-645 Float Coat Cortec Corporation White Bear Mountain, MN Tel: (800) 426)-7832 Fax: (651) 429-1122

3.2.5.5 The ship carries approximately 150,000 gallons of diesel oil (with tanks at 95% full) and can be assumed to have up to approximately (45%) of its fuel on board upon arrival at the Contractor’s facility.

3.2.5.6 There are transducers on the transducer fairing that are not listed or shown on drawing OE-085-001 Rev F. (All transducers are shown on Reference 3.2.1.10). Slight deviations from the docking plan can cause significant damage to these transducers. Care shall be taken by the contractor to ensure the docking blocks are accurately placed per drawing OE-085-001 and that the divers are aware of what they are looking at when inspecting the hull during the docking process.

3.3 PROPELLER and TAILSHAFT INSPECTION and REPAIR

3.3.1 References

3.3.1.1 Technical Manual "Stern Tubes, Bearings and Seals"

3.3.1.2 Drawing No. 243-6233870, "Main Propeller Shaft Installation Arrangement and Details”

3.3.1.3 ABS Rules for building and Classing Steel Vessels, Part 1, Section 1/3.11

3.3.1.4 Ship’s Stern Tube Bearing Wear Down Record (if available)

3.3.1.5 NOAA Standard Specification AMC-240-1, “Propeller Shafts and Propellers”

3.3.1.6 Propulsion Motor Thrust and Aft Journal Bearings Instruction Manual

3.3.2 Government Furnished Equipment

3.3.2.1 None.

3.3.3 Requirements

3.3.3.1 Prior to drydocking the ship, conduct operational tests of both rudders and both propeller shafts.

3.3.3.2 No sandblasting or painting shall be permitted in or near the drydock while the propeller, shaft, seals, or bearings are being worked on in the drydock.

3.3.3.3 While the ship is drydocked, accomplish the following work on the tail shafts and stern tube assemblies in accordance with References

3.3.1.1 – 3.3.1.3.

3.3.3.4 Remove and dispose of all oil and water (if any) from both port and starboard stern tube lube oil systems, including stern tube and forward seal head tanks and sumps, (approximately 150 gals per side).

While draining the oil, obtain a sample from each stern tube and send out for comprehensive laboratory analysis. Analysis should be completed and returned to the COR before the period of performance is 25% complete. Report viscosity, water content and the following trace metals in parts per million: Iron, Chromium, Aluminum, Lead, Tin, Copper, and Nickel. Also report TAN (total acid number).

3.3.3.5 Open port and starboard sumps and head tanks. Clean each tank of all dirt, rust, sludge, and sediment using lint free rags and solvent. Flush the stern tube lube oil piping systems with 40 gallons of new oil and drain. Re-clean the sumps and head tanks and replace the filters.

3.3.3.6 Schedule the services of an American Bureau of Shipping (ABS) surveyor to the extent necessary, to accomplish all required inspections and technical reviews to maintain compliance with ABS class requirements. NOAA will pay ABS for survey costs under a separate purchase agreement.

3.3.3.7 All work on the tail shafts, stern tube seals, liners, and bearings shall be accomplished under the guidance of a manufacturer's technical representative from Wärtsilä Defense, Inc. Provide the services of a manufacturer's technical representative from Wärtsilä Defense, Inc. to oversee bearing weardown readings and perform a check of the stern tube seals. It is imperative that the manufacturer’s technical representative provided have experience inspecting and servicing the stern tube bearing assemblies installed aboard NOAA Ship Okeanos Explorer, in order to properly obtain bearing wear down measurements and evaluate the condition of the bearings and seals.

3.3.3.8 Under the guidance of the Wärtsilä technical representative, take bearing wear down readings on the forward, intermediate, and strut bearings of both tailshafts. Prior to taking the readings, the propellers shall be oriented such that the lifting eyes on the propeller hubs are at the 12 o’clock position. To the extent practicable, use the bearing wear down gauges provided by the ship’s Chief Engineer. Using feeler gauges, take bearing clearance readings on the forward and aft (strut) bearings. All readings taken shall be witnessed by the ABS surveyor, COR, Chief Engineer, and the Wärtsilä technical representative.In addition to providing recorded readings in an inspection report, readings shall also be entered in the ship’s wear down record, to be retained with the wear down gages. Return the wear down gauges to the ship’s Chief Engineer after recording all measurements are taken. Upon completion of all measurements reinstall all plugs using a non-hardening sealer, (Permatex #2 or equal) on the threads. Renew the plug in kind on the port side forward bearing.

Tighten all plugs and install safety wire.

3.3.3.9 Prior to sandblasting, liberally coat the propellers with grease. Remove the grease coating prior to undocking.

3.3.3.10 Measure and record the air gap between the motor rotor and stator on the forward and aft ends of both the port and starboard propulsion motors. Ship will provide a special set of feeler gauges for this purpose. Take at least 8 readings equally spaced around the rotors. Air gaps should be approximately the same all around the rotor. Provide a written report of the Air Gap readings to the COR.

3.3.3.11 Disconnect the tailshaft couplings from the port and starboard propulsion motor output flanges. Remove the couplings from the tailshafts. Slip the tailshafts aft approximately 18 inches or as needed to permit removal of the couplings. Remove couplings. See Note 3.3.5.2.

3.3.3.12 Disassemble and clean the forward and aft stern tube seal assemblies. Perform an inspection of the tail shafts’ forward and aft stern tube seal assemblies under the guidance of the Wärtsilä technical representative. Provide a condition report to the COR including recommendations for any additional repairs or parts needed.

3.3.3.13 Provide and install new 220 MKII Aft Seal Kits, including Bio Seal o-rings, garter springs, gaskets, and lock washers. Provide and install new 200 MKII Fwd Seal Kits, including Bio Seal O-rings, garter springs, and gaskets. 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. Provide a report to the COR for any additional parts or repairs needed, if any. Stern tube seal replacements shall be scheduled for the last two weeks on the drydock.

3.3.3.14 After all inspections and repair work are completed, fill the entire stern tube, including lube oil head and sump tanks, with Castrol BioStat 100 oil. New oil shall be filtered through a filter cart with a 3 micron filter and gravity fed, not pumped, into the stern tube lube oil systems. Contactor shall provide no less than 350 gallons of Castrol BioStat 100 oil. Capacity of each stern tube lube oil system is approximately 150 gallons. All remaining unused oil shall be turned over to the COR in original containers.

3.3.3.15 Conduct an operational test of the stern tube lube oil system for each tail shaft and inspect for leaks for 72 hours prior to undocking the ship.

3.3.4 Quality Assurance

3.3.4.1 After completion of all work, perform operational tests of the port and starboard propellers and shaft assemblies, first at the dock during dock trials, and then during the sea trial. Measure and record the vibrations, lube oil pressures, and water temperatures throughout their full speed range.

3.3.5 Notes

3.3.5.1 Parts ordering information and manufacturer’s service representative arrangements for the tailshaft stern tube seals and bearings can be obtained from the following source:

Wärtsilä Defense, Inc.

3617 Koppens Way Chesapeake, VA. 23323 Attn: Scott Miller Tel: (757) 966-5420 Fax: (757) 558-3627 e-mail: scott.miller@wartsiladefense.com

3.3.5.2 Castrol BioStat 100 oil should be ordered by the contractor as soon as possible following contract award to ensure availability.

mailto:scott.miller@wartsiladefense.com

3.4 STBD WEATHER DECK GRATING STRUCTURE REPLACMENT AND TANKTOP PAINTING

3.4.1 References

3.4.1.1 Drawing OE-601-101 – General Arrangement

3.4.1.2 NOAA Standard Specification MOC-631-2D, Coating Systems for Steel Surfaces

3.4.1.3 Steel Structures Painting Council Surface Preparation Specification No. 1 (SSPC-SP 1), Solvent Cleaning

3.4.1.4 Steel Structures Painting Council Surface Preparation Specification No. 10 (SSPC-SP 10/NACE No. 2), Near White Blast Cleaning

3.4.5.5 Steel Structures Painting Council Surface Preparation Specification No. 11 (SSPC-SP 11), Power Tool Cleaning to Bare Metal

3.4.2 Government Furnished Material

3.4.2.1 None.

3.4.3 Requirements

3.4.3.1 Ship’s force will empty fuel tanks 2-72—1 and 2-72-3 tanks and ballast tank 2-72-0 to the extent possible using the ship’s fuel transfer system and ballast system. Residual fuel (2-72-1 and 2-72-3) and ballast water (2-72-0) will not be able to be removed using the shipboard transfer systems and will need to be removed from tanks by the contractor. Assume 200 gallons residual in each tank.

3.4.3.2 Empty, clean, and gas free tanks 2-72-0, 2-72-1 and 2-72- 3 Tanks shall be certified by a Marine Chemist for Hotwork to be completed on the outside-top of the tanks

3.4.3.3 Remove all deck grating in way of deck grating structures and foundations (see pictures below – area highlighted in yellow).

Highlighted Area from General Arrangement

Figure 3.4.3.3.1

3.4.3.3.1 All grating shall be removed from the ship and

protected from damage. All clips securing grating to foundations are to be collected, secured and reinstalled once foundations have been repaired and painted

3.4.3.4 Remove and replace up to 25 non-continuous (up to 5

sections) linear feet of 4 inch x 3 inch angle bar foundation that supports deck grating as directed by COR. Replaced sections will be in both the vertical and horizontal position.

3.4.3.5 Remove and replace up to 90 non-continuous (up to 14

sections) linear feet of 3 inch x 2 inch angle bar foundation that supports deck grating as directed by COR. Replaced sections will be in both the vertical and horizontal position.

3.4.3.6 Prepare the subject areas (identified in yellow) under the grating and entire tank top area (including tanktop, deck grating structures, pipes, appendages and bulkheads areas) to an SSPC-SP3 standard using power tool cleaning. All surface preparation and painting work required by this specification shall be done in accordance with Reference 3.4.1.2 (except for type of paint) and shall be performed by a QP-1 certified paint contractor

3.4.3.6.1 Provide and install containments around the deck areas to prevent all paint chips from entering the water. Remove all interferences. Reinstall interferences upon completion of this item.

3.4.3.7 Clean all surface prep debris from the decks and solvent wipe the prepared areas.

3.4.3.8 Take and record profiles and perform surface chloride checks (in at least 10 locations, actual locations to be selected by COR).

Maximum chloride measurements shall not exceed 5 ug/cm2 or 50 mg/m2.

If chloride measurements exceed this level, fresh water wash the deck at 3000 psi and repeat surface cleaning, if necessary, and testing until satisfactory measurements are achieved.

3.4.3.9 Apply the following (or equivalent) paint system to the area identified in yellow in Figure 5.3.3.3.1 (including tanktop, deck grating structures, pipes, appendages and bulkheads areas)

(a) full coat of International Intershield 300V at 6 mils DFT (color: bronze)

(b) full coat of International Intertuf 300V at 6 mils DFT (color:

aluminum)

(c) full coat of International Interspeed 640 5 mils DFT (color:

red)

(d) full coat of International Interspeed 640 at 5 mils DFT (color: black)

(e) full coat of International Interspeed 640 at 5 mils DFT (color: black)

3.4.3.10 Reinstalled and secure and grating and interferences removed during the preparations process. Holes to be drilled at the CORs direction in newly installed foundation areas to resecure grating.

3.4.3.11 Provide and install 20 stainless steel grating securing clips (stainless steel 319 or 321) similar to those in the below photo. COR will designate final location of installation. In many instances, the location will need to be drilled and tapped.

3.4.4 Quality Assurance

3.4.4.1 COR to be formally notified of inspection of disturbed areas after structural repairs have been made and again prior to the application of the first coat of paint.

3.4.4.2 Prior to applying any paint or coatings, and prior to each subsequent coat of paint, verify to the COR that all surfaces have been properly prepared and…