0406_A_ECHOSOUNDER_REPLACEMENT_(D)_2.pdf

SIOUX

(T-ATF 171 )

COMMUNICATION AND NAVIGATION CONTRACT NO. N32205-18-R-4553

ITEM NO. 0406 CATEGORY "A" 01/24/2018

ECHOSOUNDER REPLACEMENT MSC/N64/JHD

0406 - 1

1.0 ABSTRACT

This item describes the upgrade of the RAYTHEON DE-740 Fathometer with the Furuno FE-800 NAVIGATIONAL ECHO SOUNDER.

2.0 REFERENCES:

2.1. MFR DWG 4842586 ECHOSOUNDER AND SPEED LOG SYSTEMS ELEM &

ISOMETRIC WIRING DRAWING

2.2. FE-800 Installation Manual

3.0 ITEM LOCATION/DESCRIPTION

3.1. Location/Quantity:

3.1.1. One DE-740/741 Fathometer system for removal:

TABLE 1

ITEM Model Description QTY 1 DE-7436 Electronic Unit 1 2 DE-7435 Digital Display 1 3 DE-7511 Transducer ASSY 1 4 DE-741 Depth Recorder 1 5 DE-7426 Transducer ASSY 1 6 Pauluhn 571 Connection Box 1

3.1.2. One FE-800 NAVIGATIONAL ECHO SOUNDER System for

Installation. See Table 2 for equipment list.

3.2. Item Description/Manufacturer’s Data

3.2.1. Bill of Material Contractor furnished:

3.2.2. Power and data cables required to complete

installation. Cables shall be low smoke and approved for marine installations.

3.2.3. Provide material required to interface the main

display unit with the remote displays and dimmer circuits.

3.2.4. The contractor shall provide the exact quantities and

additional material such as cable, fittings, hull plate, cable hangers, Junction box’s, weld material, cable

0406 - 2 tags, circuit breakers, swage tubes, etc., which are not included in the List of Materials, in order to install a fully functioning interfaced system which meets the requirements of this specification.

4.0 GOVERNMENT FURNISHED EQUIPMENT/MATERIAL/SERVICES

4.1. Government Furnished Equipment (GFE):

TABLE 2

Government Furnished Equipment (GFE) ITEM Model Description QTY

1 FE800 IMO ECHO SOUNDER 1

2 CP02-06400 (000-015-872) Installation Materials 1 3 FE-802-1 Distribution Box 1 4 MB-502 Matching Box (50B) 1 5 MB-504 Matching Box (200B) 1 6 CA50B-6B/30, 30 m cable Transducer ASSY 50kHZ 1 7 CA200B-8B - 1 30 m Transducer ASSY 200 KHz 1 8 TTF-5600 000-015-586 Transducer Tank (50B) 1 9 TTF-2000 000-015-587 Transducer Tank (200B) 1 10 SP02-04101 001-228-890 Spare Parts 1

11 000-804-877 WATERPROOF XDCR J-BOX IMO

FE800

12 RD-20 Remote Display 2

4.2. Government Furnished Material (GFM): None

4.3. Government Furnished services (GFS): None

4.4. Government Furnished Information (GFI): None

5.0 NOTES:

5.1. The contractor and all subcontractors, regardless of tier must consult the General Technical Requirements (GTR) to determine applicability to this work item. In performance of this work item, the contractor and all subcontractors regardless of tier must comply with the requirements of all applicable GTR’s.

5.2. The contractor and all subcontractors, regardless of tier are advised to review other work items under this contract, to determine their effect on the work required under this

0406 - 3 work item. Many of the definitions relating to performance of this work item are found in work item 001.

6.0 QUALITY ASSURANCE REQUIREMENTS

6.1. The contractor will provide the services of a OEM authorized technical representative on-site for the installation, checkout, and at-sea calibration of the new Echosounder System.

6.2. All work performed shall be to the satisfaction of the Port

Engineer, Chief Engineer, ABS, MSC REP.

7.0 STATEMENT OF WORK REQUIRED

7.1. Arrangements/Outfitting:

7.1.1. Provide the services of a certified marine chemist to

certify the areas of concern gas free to perform the hot work required in this spec item.

7.1.2. Provide the welding and fire watch services required to perform the hot work to complete installation and removals.

7.1.3. Provide crating, protective bubble-wrap, for MILITARY

PACKAGING and turn over to ships JSO:

7.1.3.1. DMRO(Ships JSO to provide paperwork and send)

7.1.4. Provide all crane and rigging services for the

installation and removals in this work item.

7.1.5. Provide certificates of inspection and approvals by

USCG/ABS upon completion of this work item.

7.2. Structural:

7.2.1. Removals

7.2.1.1. Remove the existing DE-740/741 Fathometer system, Spool piece and gate valve assembly from Transducer Trunk. Remove all scale, rust, and corrosion from entire inside of void including underside of trunk cover.

7.2.1.2. Remove the associated bolting ring, spool piece and

shell plating from the external shell as necessary to facilitate installation of shell insert hull

0406 - 4 plate. Grind all remaining material so it is smooth and flush with the hull.

7.2.1.3. Remove all old mounts, foundation, and brackets not

utilized with installation of new equipment. Blank off all openings including unused transits, MCT, stuffing tubes, left by equipment removals in consoles.

7.2.2. Installation

7.2.2.1. Provide and install a new hull plate insert approved by ABS to seal the vacated transducer hole. Grind hull insert weld bead so it is smooth and flush with the hull.

7.2.2.2. The new plate shall be of equivalent steel type and

weight. Ensure all welds are ABS certified. Install new Furuno transducer, gate valve and new contactor provided swage tube for transducer cable into trunk locations to be determined by MSC REP and Furuno Manufacture REP.

7.2.2.3. Install all mounting plates, studs, and brackets to

complete installation of FE-800. Provide and install sheet metal to provide a finished look to equipment openings in consoles.

7.3. Mechanical/Fluid: None additional

7.4. Electrical: None Additional

7.5. Electronics:

7.5.1. Removal

7.5.1.1. Tag out of service the DE-740/741 using shipyard and MSC tag out procedures. Remove the existing DE- 740/741 Echosounder system which includes the major components and associated cabling listed below, using references 2.1 and 2.3.

7.5.1.2. Remove the DE 740 Fathometer system in its entirety.

Listed in Table 3. Contractor will crate and ship items as noted in paragraph 7.1.3.

0406 - 5

TABLE 3

ITEM Model Description QTY

1 DE-7436 Electronic Unit 1 2 DE-7435 Digital Display 1 3 DE-741 Depth Recorder 1 4 DE-7511 Transducer ASSY 1 5 DE-7426 Transducer ASSY 1 6 Pauluhn 571 Connection Box 1

7.5.1.3. Remove the existing DE-7435 Main Display Unit, Item

No. 2 from the Pilot House centerline forward bulkhead. Retain Isolation transformer and power cable for new FE800 Master Display to be installed at this location.

7.5.1.4. Remove the existing DE-741 Depth Recorder

7.5.1.5. Remove the existing DE-470/741 Fathometer

Transducer, Housing, and Gate Valve Assembly.

7.5.2. Installations

7.5.2.1. The contractor will provide a working installation

plan drawing submit it to the MSC Rep for approval.

7.5.2.2. Install the FE-800 Echosounder in accordance with

the MFR. Technical manual reference 2.2.

7.5.2.3. Mount the Master Display unit in the Wheelhouse in

the spot vacated by the removals. Modify the exiting plate mount as required to accept the new Echosounder display. Mount the Electronic Unit in the location that DE-740 Transducer Electronics Unit was removed. Mount the Transducers, housing and gate valve in the locations prepared in the hull. The contractor shall use Stainless CRES 316 hardware to mount the transducer and sea chest assembly. Install the remote digital repeaters displays at Port and STBD bridge wings with each dimmer control using reference 2.1 as guidance.

Apply a conductive anti-seize to all bolt threads.

The exact bulkhead mounting locations for installed equipment and remotes to be determined by the N6 MSC REP at the time of installation.

7.5.2.4. Install FE-800 NAVIGATIONAL ECHO SOUNDER System

wiring and connections In accordance with reference

0406 - 6

2.2. Install shielded cable between the ECHO

SOUNDER, the two RADARS, ECDIS and Gyro for routing NMEA 0183 serial speed information.

7.5.2.5. The MFR REP shall test operate the FE-800 system and perform all system alignments and calibrations in accordance with references 2.2.

7.5.2.6. Perform an underway system checks and realign as

required in IAW Ref 2.2

7.6. Preparation of Drawings

7.6.1. Prepare working drawings to accomplish all work under

this item. Drawing shall include as a minimum the following: Echosounder Interconnection Wiring Diagram.

Prior to installation, drawings need to be approved by MSC Electronics Rep.

7.6.2. Prepare (2) paper copies of as-built Elementary wiring and arrangement drawings to the MSC N6 Electronics REP for a review and approval cycle. Drawings shall be complete with MSC TITLE BLOCK and New drawing numbers.

Upon completion of review and the correction of all discrepancies, resubmit (3) paper and (1) electronic copy on CD prepared in AUTOCAD 2002 to the MSC REP.

7.7. Inspection/Test:

7.7.1. Inspect, test, and calibrate the FE-800 NAVIGATIONAL

ECHO SOUNDER System including the repeaters and interfaces with RADAR and ECDIS according to the manufacturer’s technical manual.

7.7.2. Functional test

7.7.3. Continuity test

7.7.4. Cable insulation test

7.7.5. NDT of shell plate and valve installation welds

7.7.6. Operational test

7.7.6.1. To be performed during underway period.

7.7.7. NDT swage tube welds

7.7.8. Air test cable packing

0406 - 7

7.8. Painting:

7.8.1. Prepare, and prime all new, modified, or disturbed areas resulting from this spec item. After allowing sufficient time to dry apply a topcoat of paint to affected & primed areas to match the adjacent surroundings.

7.8.2. Upon existing gate valves are removed and prior to

installation of new gate valves, clean, sand, remove any scale or rust from transducer tank double bottom FR 34.5 CL and tank cover. Apply primer and paint to refurbish tank. Painting shall be in accordance with GTR 7.

7.9. Marking:

7.9.1. Install new aluminum embossed tags on all newly

installed cables resulting from this work item for every 50 ft. of cable and on each side of a deck or bulkhead that the cable penetrates. Use the numbering system IAW

GTR.

7.9.2. Install new plastic label plates on the power panel

adjacent to breakers, and Junction/distribution boxes used for this work item to indicate the equipment model it supplies power to. Labels shall be of equivalent size, color, and material as those currently used.

7.10. Manufacturer's Representative:

7.10.1. The contractor shall provide the services of a

manufacturer’s representative (MFR REP) to provide on-site installation guidance, inspection, test, commissioning, and calibrate the Echosounder System during vessel’s sea trials. Minimum of (4) hours of training to be provided to the ship’s crew to training for each watch.

8.0 GENERAL REQUIREMENTS: None additional