TJFY14DD_2013-09-12.pdf

Marine Engineering Branch - MOA2 Marine Operation Center, Atlantic

439 West York Street Norfolk, VA 23510

NOAA Ship Thomas Jefferson

DRY DOCK & REPAIRS

DETAIL SPECIFICATIONS

MOA2-08(13)

DATE: February 28, 2013 Revised: September 12, 2013

NOAA SHIP Thomas Jefferson

MOA2-08(13)

September 12, 2013

TABLE OF CONTENTS

1. SCOPE

2. GENERAL

3. BASIC ITEMS

301: Temporary Services 302: Dry Docking and Routine Dry Dock Work 303: Cathodic Protection System: Inspect & Repair 304: Elinca System: Inspect & Repair 305: Sea Valve Overhauls 306: Underwater Body Coating 307: Propeller Shaft Inspection and Repairs 308: Propeller Inspections and Repairs 309: Unshipping and Shipping Rudder 310: Reduction Gear and Coupling Inspection 311: Piping Repairs 312: Steel Renewals 313: Dock Trials 314: Sea Trials 315: Clean/Degrease Engine Room Bilge 316: Galley Exhaust System Cleaning and Repairs

OPTIONAL ITEM 400: ADDITIONAL ITEM REQUESTS

5. OPTIONAL ITEMS

501: Main Deck, Deck Covering Repairs 502: Sonar Systems Modifications 503: Ventilation Systems Cleaning 504: Dynamic Draft Measuring System Installation 505: Security Camera System Installation 506: Grey and Black Water Piping Renewals 507: 30kVA UPS Installation 508: ABS Tank Inspections

REFERENCES

GOVERNMENT FURNISHED MATERIAL

LIST OF ATTACHMENTS

September 12, 2013

1. SCOPE. These Detail Specifications contain the requirements for dry-docking and repairs of the NOAA Ship Thomas Jefferson (formerly USNS Littlehales T-AGS 52).

2. GENERAL.

2.1 References.

2.1.1 NOAA Standard Specification AMC-000-1F, “General

Requirements for Ship Repair Contract Work on NOAA Ships”

2.1.2 NOAA Standard Specification AMC-631-2D, “Coating

Systems for Steel Surfaces”

2.1.3 NAVSEA Standard Item 009-32, “Cleaning and Painting

Requirements: accomplish”

2.1.4 NOAA Ship Thomas Jefferson drawing TJ-085-002, “Booklet of General Plans”

2.2 Requirements.

2.2.1 References 2.1.1 and 2.1.2 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.

2.2.2 Provide an electronic copy, in Adobe Portable Document

Format (PDF), and two hard copies of all Condition Reports.

2.2.3 Maintain a Quality Assurance (QA) TEST AND INSPECTION

PLAN applicable to all work items, including all additional work items which are authorized by the Contracting Officer. Update QA TEST AND INSPECTION PLAN weekly and provide a copy to the COTR 24-hours prior to the scheduled weekly progress meeting. The form shall include the following minimum information for each work item and additional work item:

a. Specification item and paragraph number

b. Component/Equipment name

c. Test or Inspection description

d. Acceptance Criteria

e. QA Inspection Report

2.2.4 Maintain a separate Test Schedule. Update the Test

Schedule weekly and provide a copy to the COTR 24-hours prior to the scheduled weekly progress meeting.

2.2.5 Develop, in consultation with the ABS Surveyor, a

written survey schedule that lists the items to be inspected and the scheduled dates and times of the inspections. Submit the

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S e p t e m b e r survey schedule to the COTR within 48 hours after the start of the contract performance period. The survey schedule shall list all initial inspections required by the ABS Surveyor.

2.2.6 Provide a copy of ABS approved welding procedures and

maintain a list of currently qualified welders.

2.2.7 Unless otherwise stated in these work items, prepare

and coat all new steel, disturbed, or otherwise required painted surfaces in accordance with reference 2.1.2. If no paint system is identified in the item, apply the appropriate coating system to the area being coated as identified by paragraph 5.2 of this reference except that the topcoat color shall match the surrounding area. Reference 2.1.2 may be amended with reference

2.1.3 when approved by the COTR.

2.2.8 Weigh all materials and items removed, installed, or

relocated on the ship. Provide a summary report to the COTR indicating the total weight in pounds of the item and a breakdown of their locations by space, deck, frame, distance from centerline, and height off of the deck. A sample form is attached to these specifications.

2.2.9 There are several items that may affect habitability on the ship. Schedule work on these items into a 40 day contiguous window. During habitability related work, the Government will lodge and board the crew off the ship.

2.2.10 The Contractor may reduce the ship's draft by

offloading liquid loads and/or ballasting in order to provide the required clearances under the keel during transit to and from the contractor's facility. Oil Tanks shall not be ballasted. After all other work has been completed, reload and trim the ship to the as-found conditions. In the event fuel is offloaded, the fuel shall be metered off and on the ship through a filter de-watering system. Store removed fuel in clean storage facilities.

The minimum draft which will be permitted is 12 feet - 6 inches.

2.2.11 In the event the contract start date is before

Christmas, the contractor shall minimize shipboard work and COTR inspections between 21 December 2013 and 3 January 2014. In no case shall the contractor schedule or perform any shipboard hot work during this period.

2.3 Notes.

2.3.1 Hazardous Materials:

a. NOAA Ship Thomas Jefferson was constructed between 1988 and 1991. There was no asbestos used during the construction and any asbestos requirements contained in the referenced Standard Specifications do not apply.

b. Several items in this specification require gas freeing of tanks, in order to accomplish the required work. Prospective bidders should be careful not to duplicate the costs of gas

September 12, 2013 freeing where tank(s) are required to be gas freed to perform work in more than one item.

c. The contractor is responsible for the control, handling, and disposal of any hazardous materials generated during accomplishment of this contract.

2.3.2 Reference 2.1.4 was used in the identification, location, and naming of spaces within these Detailed Specifications. Even though reference 2.1.4 has been modified since construction, differences still exist.

2.3.3 The following general characteristics of the ship is

provided for information:

ABS Class Number...9105067 Delivery Date..01 Dec 1991 Length Overall.........208 feet Beam (Molded)...........45 feet Propulsion.............Diesel, single screw Cruising Speed..........12 knots Electric Service.......345 KW, 225/450 volts AC Officer size Crew size ABS Class Notations....aA1, ,aAMS,aACCU

2.3.4 Except as otherwise stated in this specification, NOAA

plans to deliver the ship to the contractor's facility with the following maximum drafts and displacement (approximately 62% liquid loading):

Forward Draft............14 feet - 0 inches Aft Draft................14 feet - 6 inches Displacement...........2200 long tons

E

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3. BASIC ITEMS

3.1 ITEM NO. 301: Temporary Services

3.1.1 References

(a) NOAA Standard Specification AMC-000-2C, “Temporary Services at Contractor Facilities”

3.1.2 Government-Furnished Material

a. None

3.1.3 Requirements

a. Provide all temporary services required in accordance with reference (a) for the entire performance period. Ship’s force is scheduled to obtain separate lodging off of the ship during the contractor scheduled 40 contiguous day window when the ship is deemed uninhabitable. Accordingly, use of habitability services will decline during this period.

b. The following additional information and requirements apply:

1. Electric: Provide and maintain 600 amps, 60 hz, 460 volts ac, 3 phase electrical shore power services. Estimated demand load is 450 amps average. The ship’s two receptacles are for NATO (Joy type) plugs rated at 400 amps each.

2. Telephone Service: Provide four phone lines and two phones; one each to the two dockside offices and two phone lines to the ship’s phone system.

3. Steam: Not required.

4. Toilet Facilities: May be required during modifications to the Sewage Holding Tank and Sea Valve Overhauls.

5. Parking Spaces: Provide parking spaces for eight vehicles. Provide the follow labels for the parking spaces:

a) One each: “NOAA - COTR”

b) One each: “NOAA - CO”

c) One each: “NOAA - CME”

d) Five each: “NOAA”

6. Dockside Office Space: Provide two adjacent dockside office spaces.

7. Security Services: Provide on-board security services.

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8. Air: Provide 32 CFM (minimum), 125 psi dry, filtered compressed air connected to the ship's service air line on the Main Deck. The ship’s MSD system requires compressed air for proper operations so air is required 24 hours/day during the entire yard period.

9. High Speed Internet Service: Provide high-speed, broadband internet connectivity via a local Internet Service Provider or privately owned internal internet connection. High-speed broadband internet is defines as Digital Subscriber Service (DSL), cable network, or fiber optic network services with minimum download speeds of 320 Kbps. The provided service 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 dry dock locations, as well as the ship and COTR'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 the dockside office(s) routers. Provide a minimum of one Internet Protocol (IP) address with Directory Name Server (DNS) service for each ship and dockside office(s) locations. The ship will provide the necessary routers and switches needed.

10. ABS Surveyor: Schedule the services of an ABS Surveyor as required by ABS for performing inspections of all new installations, hull modifications, and tank inspections. NOAA will pay for all normal ABS surveys and surveys associated with the work required by these specifications. The contractor shall provide a credit for any additional ABS charges associated with rescheduling of surveys and rework surveys which are directly under the control of the contractor.

11. Crane Service: Provide 10 hours of crane service for loading/off loading supplies and equipment.

12. Deleted.

13. 48 hours prior to completion of the contract repair period, remove temporary deck covering.

a) Strip, wash, and wax all none carpeted decks that were covered with temporary deck covering including each decks’ passageway and the Ship's Mess.

b) Steam clean all carpets that were covered with temporary deck covering.

END OF ITEM

September 12, 2013

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3.2 ITEM NO. 302: Dry Docking and Routine Dry Dock Work

3.2.1 References.

(a) NOAA Standard Specification AMC-997-1A, “Drydocking & Routine Drydock Work”

(b) NOAA Ship Thomas Jefferson drawing TJ-801-6634613, “Docking Plan”

(c) NOAA Ship Thomas Jefferson drawing TJ-161-6634743, “Shaft Strut”

(d) NOAA Ship Thomas Jefferson drawing TJ-562-6634741, “Rudder Arrangement and Details”

(e) NOAA Ship Thomas Jefferson drawing TJ-243-6634740, “Propeller Shafting, Arrangement and Details”

(f) NOAA Ship Thomas Jefferson drawing TJ-801-6634640, “Hull Lines”

(g) NOAA Ship Thomas Jefferson drawing TJ-801-6634641, “Table of Offsets”

(h) NOAA Ship Thomas Jefferson drawing TJ-568-004, “NOAA Ship Thomas Jefferson Bow Thruster Installation”

(i) NOAA Ship Thomas Jefferson drawing TJ-245-6634744, “Propeller Diagram”

3.2.2 Government Furnished Material.

a. One box: HSS-GF0-HPMP-1 High Performance Marine packing (Estimated value $1,500)

3.2.3 Requirements.

a. Provide dry-docking and routine dry-dock work in accordance with GENERAL Section reference 2.1.4 and references

(a) and (b).

b. The following additional requirements apply:

1. The minimum acceptable forward and after drafts and corresponding displacement tons permitted to drydock the ship consistent with safe stability and structural integrity are as follows:

a) Fwd = 10 feet - 3 inches

b) Aft = 10 feet - 9 inches

c) Displacement . 1440 LT

2. Haul out the ship in position 1 at a minimum keel block height of 5 feet.

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3. After positioning and before hauling the ship, conduct a diver’s inspection of the underwater keel blocks positions relative to the dome to verify that the keel blocks will not come in contact with the multi-beam dome.

4. Record inspection results on the attached NOAA DOCKING REPORT S0700/SWB997 in lieu of Docking Report form 2410.

5. Additional requirements for the propeller:

a) CLEANING AND POLISHING: Clean and polish forward and after surface of the propeller blade tips between 0.7 and 1.0 radius lines and the leading edges of the propeller blades over 0.2 of the blade width to a finish equal to the “B” specimen of the Rubert Comparator having a roughness average (RA) of 76.8 microinch. The remainder of the propeller blades shall be polished to a finish equal to the “C” specimen of the Rupert Comparator having an RA of 188.0 microinch.

b) Take the following data on the propeller:

1) Pitch of each blade at 0.7 radius, and

0.9 radius.

2) Stamping on hub for propeller diameter.

3) Stamping on hub for manufacturer, propeller number, and

4) ABS number.

5) Stamping on hub for weight.

6. Additional requirements for the bow thruster propeller:

a) CLEANING AND POLISHING: Clean and polish to a finish equal to the “C” specimen of the Rupert Comparator having an RA of 188.0 microinch.

7. Deleted.

8. Install GFM packing for the tailshaft and rudder post instead of "TFE-impregnated square flax packing", as required in reference (a), para 3.8.

3.2.4 Notes.

a. References (c) through (i) are listed as sources for obtaining information.

b. See notes in Basic Item “Unshipping and Shipping Rudder.”

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3.3 ITEM NO. 303: Cathodic Protection System: Inspect & Repair

3.3.1 References

(a) NOAA Ship Thomas Jefferson drawing TJ-633-6634726, “Cathodic Protection Elementary Wiring Diagram”

(b) NOAA Ship Thomas Jefferson drawing TJ-633-6634907, “Cathodic Protection System”

(c) NOAA Ship Thomas Jefferson manual TJ-633-01, “Cathodic Protection System”

(d) NOAA Ship Thomas Jefferson drawing TJ-633-67635, “Installation Drawing ICCP Equipment”

3.3.2 Government-Furnished Material

a. None

3.3.3 Requirements

a. Perform the following work on the ship’s cathodic protection (CAPAC) system under the on-site and off-site guidance of a manufacturer-authorized field service technician and references (a), (b), and (c):

1. Troubleshoot the reference anodes to ensure they are delivering the proper hull potential signal to the CAPAC controller.

2. Open, clean, and inspect the automatic controller and power supply for deterioration, damage, or excessive wear that may affect operation of the system. Tighten all connections.

3. Adjust the automatic controller and power supply for correct output for each reference cell and anode.

4. Calibrate all system meters.

5. Inspect each anode, reference cell, and dielectric shield immediately upon dry docking the vessel.

a) Inspect anode connection boxes and cofferdams.

6. Install protective covers over anodes and reference cells of the impressed current CAPAC system.

a) Protective covers shall remain in place during the entire drydocking period, except while accomplishing work associated with anodes and reference cells.

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b) Remove the protective covers prior to undocking the vessel and carefully remove any paint or contaminants from the anodes and reference cells.

7. Renew the port and starboard reference cells.

8. Renew the shaft grounding assembly.

9. Inspect the grounding strap and grounding strap connections for deterioration, damage, or excessive wear that may affect operation of the system.

10. Measure and record the output current readings versus the reference electrode voltage for each anode prior to hauling and after floating the ship.

3.3.4 Quality Assurance

a. Perform an operational test of system to determine operating condition of all system equipment prior to hauling the ship.

b. Perform another operational test after completion of all other work and floating the ship to verify proper operation of the system.

3.3.5 Notes

a. The ship’s CAPAC system is composed of the following parts:

1. One unit each automatic power supply/controller P/N 58612-2 (port side upper level in the Engine Room 4-55-0).

2. Four assemblies each anode P/N 36460-1 (located port and starboard at frame 20½ in Fuel tanks 4-16-1&2 and at frame 78 in the Fuel tanks 4-75-3&4).

3. Two assemblies each reference electrode P/N 32622 (located port and starboard at frame 54½ in the Anti-Roll Tank 3- 51-0).

4. One assembly each shaft grounding assembly P/N 37000-5 (located at frame 73 in the bilge in the Engine Room 4- 55-0).

5. One assembly each rudder grounding device (located at frame 93 in the Steering Gear Room 4-87-0)

b. Capastic System manufacture contact information:

Lou Lombardo US Filter-Electrocatalytic Products 2 Milltown Court Union, NJ 07083

COM: 908-851-6930/2277

September 12, 2013

FAX: 908-851-6906

email: Louis.Lombardo@Siemens.com Website: www.electrocatalytic.com

END OF ITEM

mailto:Louis.Lombardo@Siemens.com http://www.electrocatalytic.com

September 12, 2013

3.4 ITEM NO. 304: Elinca System: Inspect & Repair

3.4.1 References

(a) NOAA Ship Thomas Jefferson manual TJ-529-02, “Installation, Operation and Maintenance Manual for the Elinca Anti-biofouling System”

3.4.2 Government-Furnished Material

a. Two each: Anode, CU (P/N EL40012-9) (Estimated value $2,100.00)

b. Two each: Anode, FE (P/N EL40014-9) (Estimated value $1,900.00)

3.4.3 Requirements

a. Perform the following work on the ship’s Elinca anti-fouling system under the on-site and off-site guidance of a manufacturer-authorized field service technician and reference (a):

1. Inspect the condition of wiring between control panel and each anode.

2. Clean the internals of the control panel and inspect for loose or broken connections and other discrepancies.

3. Inspect and test all other system components to determine proper installation and operation of system.

4. Renew the four system anodes using GFM.

5. Renew all system light bulbs and provide an additional full system set of light bulbs as spares.

6. Adjust the output current to each anode to manufacturer recommended levels.

b. Install protective covers over anodes and bar of the Elinca anti-fouling system.

1. Protective covers shall remain in place during the entire drydocking period, except while accomplishing work associated with anodes and reference bar.

2. Remove the protective covers prior to undocking the vessel and carefully remove any paint or contaminants from the anodes and reference bar.

September 12, 2013

3.4.4 Quality Assurance

a. Perform an operational test of system to determine operating condition of all system equipment prior to hauling the ship.

b. Perform another operational test after completion of all other work and floating the ship to verify proper operation of the system.

3.4.5 Notes

a. The ship’s Elinca system is composed of the following parts:

1. Elinca anode control panel assembly model EL/4 (located in the Engine Room)

2. Two copper anodes (one assembly each in the port & starboard seachest)

3. Two iron anodes (one assembly each in the port & starboard seachest.)

b. Manufacturer information:

Parmatic Pollution Control Corp 239 Route 206 S Branchville, NJ 07826-5401

COM: (973) 948-3252

FAX: (973) 948-3657

Attn: David Sward email: parmatic-c@earthlink.net Service Tech: Bob Sarro cell 201-412-0207

c. Leave the Sentry switch in the off position.

mailto:parmatic-c@earthlink.net

September 12, 2013

3.5 ITEM NO. 305: Sea Valve Overhauls

3.5.1 References.

(a) NOAA Standard Specification AMC-505-1B, “Valve Overhaul and Test”

(b) NOAA Ship Thomas Jefferson drawing TJ-163-6634821, “Seachest Details”

(c) NOAA Ship Thomas Jefferson drawing TJ-524-6634839, “Seachest Cross-Over Piping”

3.5.2 Government-Furnished Material.

a. None

3.5.3 Requirements.

a. Remove, overhaul, test and reinstall the valves listed in Table 305-1 in accordance with reference (a). The term “overhaul” used in reference (a) shall be redefined for this work item to be the same as “rebuild” is defined in NOAA Standard Specification AMC-000-1F. In lieu of overhaul, the contractor may renew any valves equal to or smaller than 3 inches .

b. Perform the following work on the two 12 inch simplex sea chest strainers:

1. Remove to the shop.

2. Thoroughly clean the interior housing to remove all growth and other foreign matter.

3. Rework all mating and sealing surfaces to reestablish their mating and sealing capabilities.

4. Conduct a visual inspection of the housing for evidence of damage or deterioration.

5. Prepare and preserve the interior and exterior surfaces in accordance with GENERAL Section reference 2.1.2.

Apply paint system STL-11 to the prepared surfaces.

6. Reassemble the strainer using a new gasket and fasteners.

7. Install on the ship in its original location using new fasteners.

c. After reassembly and prior to the shop hydro test of all steel valves and spool pieces, apply the first coat of paint system STL-11.

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d. Prior to installing on the ship, apply the second coat of paint system STL-11 on the valves and spool pieces. Top coat color shall be same as found.

e. Apply an anti-seize lubricant to fastener threads prior to installing and tightening.

f. Power tool clean and preserve the tank top and exposed areas around the two simplex sea chest strainers in accordance with reference 2.1.2. Apply paint system STL-11.

3.5.4 Quality Assurance

a. After completion of all work and prior to preservation, perform a hydrostatic pressure test two simplex strainers at a pressure of 60 psi. Hold the pressure for 10 minutes.

3.5.5 Notes

a. This is a habitability item.

b. References (b) and (c) are listed as sources for obtaining information.

c. Strainer Data:

Manufacturer: Core Industries Inc. Mueller Steam Model/Type : 12" 155M, SPLX STR, 125# FLG’D Clamp

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Table 305-1: Sea Valves

NO. Service Location Space/Frm

Size/type

1 SSVS Discharge Scientic Stores/22s

2" swing check, screwed

2 SSVS Discharge Scientic Stores/22s

2" gate, flanged

3 Velocimeter primary seawater supply

Transducer Void/33-34s

1" gate, flanged

4 Salinometer secondary seawater supply

Transducer Void/32-336

1½” gate, flanged

5 Velocimeter primary seawater supply

Transducer Void/33-34s

2" gate, flanged

6 Salinometer secondary seawater supply

Transducer Void/32-336

2" ball, flanged

7 Transducer Housing Transducer Void/33-34s

12" gate, flanged

8 Main Engine OVBD Engine Room/64p

6" butterfly (lug)

9 Bilge Emergency Suction

Engine Room/65p

4" Angle, flanged

10 Sewage OVBD Engine Room/54p

3" swing check, flanged

11 Sewage OVBD

Engine Room/54p

3" gate, flanged

12 Sewage OVBD Engine Room/57s

3" swing check, 13 Sewage OVBD

Engine Room/57s

3" gate, flanged

14 Grey Water OVBD Engine Room/61s

3" gate, flanged

15 Grey Water OVBD Engine Room/61s

3" swing check, flanged

16 A.C. Condensers OVBD Engine Room/59s

6" butterfly (lug)

17 Auxiliary SW OVBD Engine Room/61s

4" butterfly (lug)

18 Auxiliary SW OVBD Engine Room/66s

4" swing check, September 12, 2013

NO. Service Location Space/Frm

Size/type

19 RO units OVBD Engine Room/66s

1½” bronze gate, flanged

20 Reefer condenser

OVBD

Engine Room/63p

1¼” gate, flanged

21 Auxiliary SW OVBD Engine Room/66s

4" butterfly (wafer)

22 Bilge/ballast OVBD Engine Room/68p

4" swing check, flanged

23 Bilge/ballast OVBD Engine Room/68p

4" butterfly (lug)

24 OWS OVBD Engine Room/70p

Upgrade to 1¼” globe, flanged

25 OWS OVBD Engine Room/70p

1¼” swing check, flanged

26 SSDG OVBD Engine Room/73p

4" butterfly, wafer

27 RO Distilling Units Suction

Engine Room/71s

1¼” bronze globe, flanged

28 Main Sea Chest Engine Room/71p

12” butterfly (lug)

29 Main Sea Chest Engine Room/71p

12" butterfly (wafer)

30 Main Sea Chest Engine Room/71s

12” butterfly (lug)

31 Main Sea Chest Engine Room/71s

12" butterfly (wafer)

32 Main Sea Chest: Vent Engine Room/71p

2" globe, screwed

33 Main Sea Chest: Vent Engine Room/71s

2" globe, screwed

34 Fire Pump Sea Chest ballast tank 4-75-0/82p

5" butterfly (lug)

35 Fire Pump Sea Chest:

Vent

Machine Shop/82p

1½” gate, screwed

36 Fire Pump Sea Chest:

Vent

Machine Shop/82p

1½” swing check, screwed

37 Fire Pump Sea Chest:

Blow down

Machine Shop/82p

1” swing check, screwed

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NO. Service Location Space/Frm

Size/type

S e p t e m b e r

38 Fire Pump Sea Chest:

Blow down

Machine Shop/82p

1" Ball, screwed

39 Grey Water Drain Machine Shop/83p

3" Check, flanged

40 Grey Water Drain Machine Shop/83p

3" gate, flanged

41 Fire Pump bypass Machine Shop/83p

1" Check, flanged

42 Fire Pump bypass Machine Shop/83p

1" globe, welded

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S e p t e m b e r

3.6 ITEM NO. 306: Underwater Body Coating

3.6.1 References.

(a) NOAA Standard Specification AMC-631-3B, “Underwater Body Ablative Coating System”

3.6.2 Government-Furnished Material.

a. None

3.6.3 Requirements.

a. For this item, using an ultrahigh, between 30,000 and 40,000 psig, water pressure preparation is preferred over abrasive blasting.

b. Prepare and coat the entire underwater hull and boottop using a “complete system” in accordance with reference (a).

c. The following additional requirements apply:

1. Deleted.

2. Fair in hull transducers areas using a two component epoxy compound similar to Philadelphia Resins Corp., Montgomery, PA. "Phillybond Blue 6A, 2 component epoxy compound."

3. Coat all hull frame numbers and Plimsoll marks with a contrasting top coat color (e.g., white anti-fouling within the black boot top).

4. Provide a certificate of TBT-free Controlled Depletion Polymer Anitfouling coating that complies with the IMO Antifouling Systems Convention of 2001 (AFS/CONF/26).

5. Perform the following on the three bolt-on overboard discharge split pipe scuppers:

a) Remove the scuppers from the ship.

b) Prepare and coat the exposed hull in accordance with reference (a). The top coat color shall match the surrounding color.

c) Prepare and coat all surfaces of the scuppers in accordance with reference (a). The top coat color shall match the surrounding color.

d) Install the scuppers on the ship in their original locations using new stainless steel fasteners.

6. Prepare and coat all surfaces of the boat guards on either side of the three bolt-on overboard discharge split pipe scuppers in accordance with reference (a). The top coat color shall match the surrounding color.

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3.6.4 Quality Assurance

a. In the event the contractor elects to use an ultrahigh water pressure preparation, perform a 25 ft2 test patch area for inspection and acceptance by the paint manufacturer prior to preparing the remaining underwater hull.

3.6.5 Notes.

a. Underwater Hull Data:

1. Complete system installed February 2009, maintenance system installed in February 2012.

a) Primer - International Paint Intertuf 262 epoxy anti-corrosive

b) Antifouling - International Paint Interspeed

6400NA

2. The underwater hull is approximately 13,000 ft2 and the existing boottop is approximately 2,000 ft2.

b. The top pf the boottop is a parabolic shape based on Table 306-1 “Parabolic Boottop”.

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Table 306-1

PARABOLIC BOOTTOP

(The offsets below are the vertical distances from the 14' 0" waterline to the upper edge of the boottop P/S. Boottop color is black.)

FRAME NUMBER OFFSET

(INCHES)

FRAME NUMBER OFFSET

(INCHES)

0 24 55 7

5 22 60 6

10 20 65 6

15 18 70 6

20 16 75 6

25 14 80 7

30 13 85 8

35 11 90 9

40 10 95 11

45 8 Across Transom 12

50 7

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3.7 ITEM NO. 307: Propeller Shaft Inspection and Repairs

3.7.1 References

(a) NOAA Standard Specification AMC-240-1, "Propulsion Shafts and Propellers"

(b) NOAA Ship Thomas Jefferson drawing TJ-243-6634740, “Propeller Shafting, Arrangement and Details”

(c) NOAA Ship Thomas Jefferson drawing TJ-161-6634743, “Shaft Strut”

(d) NOAA Ship Thomas Jefferson drawing TJ-243-6634745, “Shaft Brake Arrangement & Details”

(e) NOAA Ship Thomas Jefferson drawing TJ-245-6634744, “Propeller Diagram”

3.7.2 Government-Furnished Material

a. None

3.7.3 Requirements

a. Perform the following work on the propeller shaft in accordance with reference (a):

1. Remove from the ship to an inside shop facility.

2. Perform the “In-shop Inspection of Propulsion Shaft” outlined in reference (a).

3. Using a micrometer, measure the shaft bearing area diameters at four locations along the length of bearing area.

Compare the shaft bearing area dimensions to those of the respective bearings.

4. Clad weld repair and machine the shaft in way of the ground strap.

5. Machine, clad weld repair, and machine the stainless steel journal in way of the stern tube and strut bearings.

a) Machining shall not reduce the shaft diameter below 9.176 inches.

b) Use stainless steel 309L for the first pass if the machining approaches the 9.176 inch minimum diameter.

c) Use stainless steel 308L for each successive pass.

6. Patch the shaft covering in way of the joint with the new cladding with a 100% solids, two component, liquid

September 12, 2013 polymer that cures to a hard ceramic-like material which is compatible with the existing shaft covering.

b. While the propeller shaft is drawn from the ship perform the following:

1. Measure the inside diameters of each strut and stern tube bearing. Use a micrometer and measure at four locations throughout the bearing lengths. Compare these inside diameter measurements with the diameter measurements obtained from the shafts’ corresponding bearing areas.

2. Clean the void space between the forward and aft bearings of all mud, dirt, loose rust, scale, and foreign matter to an SSPC-SP1 condition. Coat the entire interior surface of the void thoroughly and evenly with two coats of an approved Surface Tolerant Epoxy.

3. Renew the zinc located within the shaft void space.

c. Clean the void space in the propeller hub to remove all traces of preservative.

d. Clean and dress the threads on the propeller nut and the propeller shaft.

e. Match mark the stuffing box and remove the stuffing box from the ship to the shop.

1. Clean the stuffing box of all growth, debris, grease, and foreign material to an SSPC-SP1 condition.

2. Inspect the stuffing box and “Air-seal” ring for damage and excessive wear that may affect its performance.

3. Install the stuffing box in its original position using a new gasket and monel fasteners. Apply an anti-seize lubricant to fastener threads prior to installing and tightening.

f. After completion of all other associated work, install the propulsion shaft and propeller in their original positions.

1. Prior to final make-up of the propeller, tightly pack the area of the shaft in way of the end of the liner and the propeller hub with an ABS approved corrosion preventive compound.

Pack the propeller hub stuffing box with an approved filler and install using a new rubber ring. Install and repack the gland and securely lock the nuts in place, using monel or CRES wire.

NOTE: Piecing of rubber ring will not be permitted. Ring shall be installed as one-piece.

2. Renew the propeller nut keepers.

3. Clean the fairwater cap to remove all traces of

September 12, 2013 preservative and cement. Properly install the fairwater cap with a new rubber ring. Replace any missing or defective fasteners as original and perform drilling and/or tapping as required. For estimating purposes, assume 15% of fasteners require replacement.

Cement recesses to provide a smooth contour consistent with the shape of the fairwater cap.

4. Fill the void in the propeller hub and the fairwater cap with a corrosion preventive compound as specified in the latest revision of COMSCINST 4750.2, Appendix H, and reinstall plugs.

g. Reinstall rope guards and shaft fairwaters.

h. All missing, broken or defective studs or bolts shall be replaced. For estimating purposes, assume 15%.

3.7.4 Quality Assurance

a. Perform a spark test on the shaft covering and patched section.

3.7.5 Notes

a. References (b) and (e) are listed as sources for obtaining information.

b. The shaft coating is Enecon CeramAlloy CL+AC which is a 100% solids, two component, liquid polymer that cures to a hard ceramic-like material.

c. Johnson “Air Seal”, Type 4 - code 1014, is manufactured by:

Duramax Marine LLC 17990 Great Lakes Parkway Hiram, OH 44234 Tel: 440-834-5400 Fax: 440-834-4950

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3.8 ITEM NO. 308: Propeller Inspections and Repairs

3.8.1 References

(a) NOAA Ship THOMAS JEFFERSON drawing no. TJ-245-6634744, “Propeller Diagram”

3.8.2 Government-Furnished Material

a. None.

3.8.3 Requirements

a. Fair and straighten all minor indents or distortions in both leading and trailing edges of the propeller.

b. Grind smooth all leading and trailing edges.

c. Dress or ground out minor cracks.

d. After cleaning and all other work, balance the propeller. Provide a certification for the balancing.

3.8.4 Quality Assurance

a. Take the following data on the installed propeller:

1. Pitch of each blade at 0.7 radius, and 0.9 radius.

2. Stamping on hub for propeller diameter.

3. Stamping on hub for manufacturer, propeller number, and A.B.S. number.

4. Stamping on hub for weight.

3.8.5 Notes

a. Coordinate work on this item with Basic Item “Dry Docking and Routine Dry Dock Work”

b. Reference (a) is listed as a source for obtaining information.

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3.9 ITEM NO. 309: Unshipping and Shipping Rudder

3.9.1 References

(a) NOAA Ship Thomas Jefferson drawing TJ-562-6634741, “Rudder Arrangement and Details”

3.9.2 Government-Furnished Material

a. None.

3.9.3 Requirements

a. Take and record rudder trunk bearing clearances prior to unshipping the rudder.

b. Remove the rudder nut keeper and remove the rudder nut from stock flange.

c. Unship the rudder and rudder stock to the shop.

d. Perform the following additional work on the rudder and rudder stock.

1. Prepare and preserve the rudder in accordance with Detail Specification “Underwater Body Coating.”

2. Clean the rudder stock and perform a complete dimensional inspection of the bearing surfaces.

e. Deleted.

f. Install the rudder in its original location after completion of all work requiring the rudder removal using a new rudder nut keeper.

3.9.4 Quality Assurance

a. None additional.

3.9.5 Notes

a. The rudder is a one piece ship welded straight blade type rudder. A ten foot access below the rudder is required for removal of the rudder or the rudder must be cut in half, removed and rewelded to the satisfaction of the attending ABS surveyor.

b. Lower Bearing information:

1. 50 inches long by 15 f inches outside diameter by 13 inches inside diameter. Material - weight 545 pounds.

Johnson Cutlass® “Mince”. Makes two bearings.

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c. Bearing Manufacture information:

Duramax® Marine LLC 17990 Great Lakes Parkway Hiram, OH 44234 USA Phone: 440-834-5400

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3.10 ITEM NO. 310: Reduction Gear and Coupling Inspection

3.10.1 References

(a) NOAA Ship Thomas Jefferson manual TJ-241-01, “Reduction Gear, Main Propulsion RS2719S”

(b) Deleted

3.10.2 Government-Furnished Material

a. None

3.10.3 Requirements

a. Perform the following work on the ship Propulsion Reduction Gear's forward clutch assembly, reverse clutch assembly, and auxiliary engine clutch assembly, in accordance with reference (a) and the on-site guidance of a manufacturer's technical representative.

1. Disconnect the air, disassemble, and clean.

2. Inspect all clutch parts for deterioration, damage, or excessive wear that may affect operation of the units.

3. Assemble using new pilot bearings (P/N SKF 6215/C3 W64) and clutch assembly fasteners.

4. Connect the air.

b. Provide assist to the on-site manufacturer's technical representative to perform a visual inspection of the gear contact of the reduction gear and spray pattern for the nozzles.

3.10.4 Quality Assurance

a. Perform an operational test of the system prior to and after completion of all other work.

3.10.5 Notes

a. Reduction Gear Information:

REVERSING

RATIO: 4.026

MANUFACTURER: LUFKIN INDUSTRIES INC

APL: M698880258

LOCATION: 4-55-0

MODEL: RS2719S

SERIAL NUMBER: 7122

OIL PUMP DATA: Size - 5RCSA, 61 gpm STANDBY PUMP DATA: IMO Delaval, size - 143, 18.5 gpm STANDBY PUMP ELECTRIC MOTOR: Frame 184TC, 5 HP, TEFC

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3.11 ITEM NO. 311: Piping Repairs

3.11.1 References

(a) NOAA Ship Thomas Jefferson drawing TJ-505-6634825, “Standard Piping Details”

(b) NOAA Standard Specification AMC-635-1, “Thermal Insulation of Piping”

(c) NOAA Ship Thomas Jefferson drawing TJ-529-6634787, “Bilge and Ballast System Diagram”

(d) NOAA Ship Thomas Jefferson drawing TJ-529-6634788, “Bilge and Ballast System Arrangement and Details”

(e) Deleted

(f) Deleted

3.11.2 Government-Furnished Material

a. None

3.11.3 Requirements

a. General:

1. Accomplish all piping repairs using reference (a) for guidance.

2. Insulate new piping and repair damage insulation in accordance with reference (b).

b. Renew the sewage piping within the Engine Room (4-55-0) from the penetrations at frame 55 to and including the flange closest to the MSD treatment system and to and including the penetration into the sewage holding tank. Reroute sewage piping into the current Sewage Holding Tank (4-57-0) without transiting through the current Oily Bilge Tank (4-55-1).

c. Perform the following work the A/C condenser discharge cooling water piping:

1. Crop out the two existing bypass valves.

2. Modify the piping to flanged fittings.

3. Install new flanged bronze valves globe valves with monel trim of a standard size.

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d. Renew the 4 inch water piping from and including the flange at the discharge of the bilge pump to and including the flange at the overboard sea valves, to and including the flange at the fire/bilge/ballast bypass orifice, and to and including the 1½ inch flange for the deck connection.

3.11.4 Quality Assurance

a. Perform a hydrostatic pressure test on all new fluid system piping to the greater of 150% system working pressure or city water system pressure.

b. Prior to preservation, perform a fire hose test on all new exterior watertight deck penetrations, hull penetrations, and inserts.

3.11.5 Notes

a. Portions of this item are habitability items.

b. References (c) and (d) are identified as sources for obtaining information.

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3.12 ITEM NO. 312: Steel Renewals

3.12.1 References

(a) NOAA Standard Specification AMC-635-2, “Thermal Insulation for Compartments”

3.12.2 Government-Furnished Material

a. None

3.12.3 Requirements

a. Renew the Air Handler Unit 01-33-1 natural supply vent gooseneck and closure.

1. Upgrade material for the gooseneck to stainless steel with a stainless steel plate against the house.

2. Renew the gooseneck vermin proofing using a bolt on stainless steel frame with stainless steel hardware cloth and stainless steel fasteners.

3. Renew damaged insulation in accordance with reference (a).

b. Renew the foundations for the two auxiliary sea water pumps located starboard side lower Engine Room 4-55-0. Modify the configuration to minimize shimming.

3.12.4 Quality Assurance

a. Perform a chalk and fire hose test on the new Machine Shop exhaust vent gooseneck and closure.

3.12.5 Notes

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3.13 ITEM NO. 313: Dock Trials

3.13.1 References

None

3.13.2 Government-Furnished Material

a. None

3.13.3 Requirements

a. Provide a written test procedure to the COTR, for review, two weeks prior to the scheduled dock trials.

b. Provide support to ship’s force for an eight hour dock trail to thoroughly test and evaluate all of the Contractor work, test run the propulsion engines, the main shaft and propeller, and cycle the rudder. The Contractor shall provide the services of qualified personnel, including manufacturers representatives if necessary, for the duration of the dock trial.

c. After completion of the dock trial, if any equipment worked on by the Contractor is found defective, immediate corrective measures shall be taken to place the equipment in good operating condition at no additional cost to the Government.

d. Mooring of the vessel shall be to the satisfaction of the ship’s Commanding Officer and the COTR prior to conducting dock trials.

e. Provide extra line handlers pier side to assist ships force for passing extra lines (for securing vessel during turning of propeller).

3.13.4 Quality Assurance

a. No additional requirements

3.13.5 Notes

a. Work on this item is in addition to any inspection requirements identified in the individual work items as set forth in this specification package and all other work accomplished by the Contractor.

b. Ship’s force will be conducting drills during this time.

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3.14 ITEM NO. 314: Sea Trials

3.14.1 References

None

3.14.2 Government-Furnished Material

a. None

3.14.3 Requirements

a. Provide a written test procedure to the COTR, for review, two weeks prior to the scheduled sea trials.

b. Provide support to ship’s force for eight hour sea trials to prove operational any and all individual equipment and systems to the satisfaction of Ship’s command, the Chief Marine Engineer, and the COTR.

1. Contractor support shall include supervision and trades associated with the major equipment/systems worked during the contract.

2. River, harbor, and bay transit time shall not be considered part of the sea trials.

c. During the sea trials, all operating equipment and systems shall be thoroughly tested. As a minimum, the trials shall include the following:

1. Full speed operations of both the main and auxiliary propulsion engines.

2. Turning radius and reaction time for the steering system.

3. Propulsion control of both the main and auxiliary propulsion engines at all control stations.

4. Crash stop. Measure the reaction time and time delays in the pneumatic system during this test.

d. After completion of the sea trial, if any contractor worked equipment is found defective, immediate corrective action shall be taken to place the equipment in good operating condition at no additional cost to the Government.

3.14.4 Quality Assurance

a. No additional requirements.

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3.14.5 Notes

a. None.

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3.15 ITEM NO. 315: Clean/Degrease Engine Room Bilge

3.15.1 References

(a) None

3.15.2 Government-Furnished Material

a. None

3.15.3 Requirements

a. Provide all labor, materials and equipment to clean and degrease the engine room bilges.

b. Labor to include the removal and reinstallation of all bilge plates. New fasteners where needed will be supplied by the vendor.

c. Labor to include the removal of all trash and debris generated from the cleaning and degreasing of the bilges.

d. Degreaser product waste shall be disposed of iaw local hazardous material codes and regulations.

e. This item to include cleaning of all structures below the bilge plates, such as pipes, transverse and longitudinal frames and all supports.

f. Cleaning to be inspected and approved by the chief engineer and port engineer upon completion.

g. Upon approval by the port engineer, the contractor shall provide for spot power tool preparing and spot preservation in accordance with GENERAL reference 2.1.2. Apply paint system STL-3 or equal to the prepared surfaces. For bidding purposes assume approximately 1000 sqft to be power tool prepared and preserved.

3.15.4 Quality Assurance

a. No additional requirements.

3.15.5 Notes

a. Engine Room bilges, 2-75-0, approximately 3800 square feet of surface area.

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3.16 ITEM NO. 316: Galley Exhaust System Cleaning and Repairs

3.16.1 References

(a) NOAA Standard Specification AMC-510-1B, “HVAC Cleaning”

(b) NOAA Ship THOMAS JEFFERSON drawing TJ-512-6634841, “H.V.A.C. Diagram”

3.16.2 Government-Furnished Material

a. None.

3.16.3 Requirements

a. Perform the following work on the ship’s Gaylord Hood System:

1. Disassemble, clean, inspect, and reassemble the internal nozzles, baffles, ducts, and wash down systems.

2. Mechanically route out the interior of the hood drains and attached deck drains from the drain to the header located on the 2nd deck.

3. Test operate the wash down system.

4. Clean the hood exhaust system duct for the hood to and including the exhaust goose neck in accordance with reference

(a) except the interior of all ducts shall also include cleaning using a solvent.

5. Electrically and mechanically disconnect the exhaust fan.

6. Remove the exhaust fan from the ship to a shop and perform the following work:

a) Detach the electric motor and renew with a premium efficiency motor with sealed bearings.

b) Disassemble the fan and clean all parts of the fan.

1) Inspect the fan parts for excessive wear, damage, and deterioration that may affect the operation of the fan.

2) Reassemble the fan using new sealed bearings, gaskets, seals, and o-rings.

c) Attach the electric motor using a new coupling.

d) Dynamically balance the fan at the fan's slow and fast RPM speeds.

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7. After the overhaul, install the exhaust fan on the ship in its original location using new vibration mounts, gaskets, flex joint and fasteners.

8. Renew the sound isolation insulation located in the exhaust trunk.

3.16.4 Quality Assurance

a. Perform an operational test of the Galley exhaust system prior to and after cleaning.

b. Verify the dynamic balancing of the assembled exhaust fan in the fan's installed orientation.

c. Measure the air speed through the Gaylord Hood system and the Scullery exhaust vent prior to and after all associated work.

3.16.5 Notes

a. This is a habitability item.

b. Ship’s force will be available to operate ship’s equipment.

c. Reference (b) is identified as a source for obtaining information.

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4. OPTIONAL ITEM 400: ADDITIONAL ITEM REQUESTS

4.1 References

None

4.2 Government-Furnished Material

4.2.1 None

4.3 Requirements

4.3.1 This item is a place holder only. Refer to the contract clause “NOAA/ERAD ADDITIONAL ITEM REQUESTS LABOR RATE (MARCH 2005)” for all requirements dealing with emergent work and changes associated with this contract.

4.3.2 Schedule B provides an estimate of labor hours and

material growth for emergent work anticipated for this contract.

4.4 Quality Assurance

4.4.1 No additional requirements.

4.5 Notes

4.5.1 No additional requirements.

End of Item

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5. OPTIONAL ITEMS

5.1 ITEM NO. 501: Main Deck, Deck Covering Repairs

5.1.1 References

(a) NOAA Standard Specification AMC-634-1A, “Deck Coverings”

5.1.2 Government-Furnished Material

a. None

5.1.3 Requirements

a. Install a monolithic deck covering in the Main Deck Passageway (1-16-0) and all the decks located within the Stair Tower (3-25-2) in accordance with reference (a).

b. Perform the following work on Mess Deck (1-16-1) and Main Deck Passageway (1-50-0):

1. Sand the entire deck covering to obtain a smooth surface.

2. Recolor and chip the deck.

3. Apply three coats of clear sealer. Texture the final coat to provide a non-slip surface.

5.1.4 Quality Assurance

a. No additional requirements

5.1.5 Notes

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5.2 ITEM NO. 502: Sonar Systems Modifications

5.2.1 References

(a) NOAA Ship Thomas Jefferson System Coordinates (meters), “offsets and alignmets_04-27-2008”

(b) NOAA Standard Specification AMC-631-3B, “Underwater Body Ablative Coating System”

(c) NOAA Ship Thomas Jefferson drawing N61-T52-01064-1, “Sensor Alignment Survey Plan View”

(d) NOAA Ship Thomas Jefferson drawing TJ-461-004, “Twin Reson 7125 Multibeam Installation Details”

(e) NOAA Ship Thomas Jefferson drawing TJ-801-6634613, “Docking Plan”

(f) NOAA Ship Thomas Jefferson drawing TJ-490-6634715, “Transducer Arrngmnt”

(g) NOAA Ship Thomas Jefferson drawing TJ-461-001, “Underwater Sensor Locations”

(h) Kongsberg EM710 Installation Manual (164851)

(i) RESON drawing for Seabat 7125 SV2 Sea chest Outline Dimensions

(j) RESON Seabat 7125 SV2 Operator’s Manual

(k) RESON Sound Velocity Probe Operator’s Manual

(l) Teledyne RDI ADCP Ocean Surveyor Installation Guide

(m) Knudsen drawing for 3.5 kHz Sub-bottom Profiler Transducers

(n) Airmar drawing for 24/200 kHz Survey Transducer

(o) Knudsen drawing 12 kHz Knudsen Sounder Transducer

(p) Airmar drawing for 50/200 kHz Navigational Transducer

5.2.2 Government Furnished Material

a. Kongsberg EM710 multi-beam Echo Sounder: One complete multi-beam system to include a sonar operator station, transceiver unit, Sonar Head Assembly (Receive Array and a Projector Array), and all inter connecting cables. (Value:

$713,200.00)

b. RESON Seabat 7125 SV2 multi-beam: One complete multi-beam system to include receiver and projector transducers, interconnecting cabling, sonar processing unit, and seachest.

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(Value: .$180,000)

c. RESON Sound Velocity Probe: One complete system to include SVP-70 and interconnecting cabling (Value: .$8,000)

d. RD Instruments 75 kHz ADCP: One complete system to include a sonar deck unit, computer processor, monitor, mouse, keyboard, 75 kHz transducer, and all inter connecting cables.

(Value: $85,500.00)

e. Odom 24/200 kHz Survey transducer: one each with cabling (value: .$4,000.)

f. Knudsen 12 kHz Sounder transducer: one each with cabling (value: .$5,000.)

g. Furuno 50 kHz Navigational transducer: one each with transducer cable, Matching box and transducer switch (value:

.$1,000)

h. Furuno 200 kHz Navigational transducer: one each with transducer cable, Matching box (value: .$1,000)

i. Knudsen 3.5 kHz Sub-bottom Profiler elements: sixteen each with cabling (value: .$70,000 total)

5.2.3 Requirements

a. General:

1. This item provides for the modification of the alignment of the port and starboard Reson Model 7125 multibeam systems.

2. Throughout this specification, values are presented with end points, which define an acceptable tolerance.

For instance: A zero degrees ±¼ degree (30 minutes of arc) means that the intent of the government is to achieve “zero degrees”.

The contractor meets that intent if the particular final reading is between +0.25 degrees and -0.25 degrees. In this example, the smallest scale of the contractor=s instrumentation must be no greater than 0.125 degrees. The intended value of the display shall be considered zeroed if oscillations (due to vessel motion or characteristics of the instrument) between +0.25 degrees and -

0.25 degrees. Instrumentation used for measurements must have been calibrated within 1 year of the start of the survey.

3. The ship is…