FCB19-046_MK27_GYRO_UPGRADE.docx

SERVICE ORDER REQUEST - MSC SSU GUAM

MK27 GYRO UPGRADE

VRR#

CASREP#

1.0 ABSTRACT:

This item describes the requirements to accomplish the installation of the Sperry Marine MK27F Gyrocompass (2 ea.) and its upgraded related heading reference equipment and cabling.

1. REFERENCES:

0. NAVSHIPS Plan No. AS 39 113-4792038_H, FDN Elec IC and Gyro Rm 1st Platform

0. NAVSHIPS Plan No. AS 39 113-4792021_G, FDN Steering Gear Room

0. NAVSHIPS Plan No. AS 39 401-4792501_F, Gyro Compass & Dead Reckoning System Ckt “LC”, “XLC” & “TL” EWD

0. NAVSHIPS Plan No. AS 39 401-4792503_J, Gyro Compass & Dead Reckoning System Ckt “LC”, “XLC” & “TL” Iso WD

0. NAVSHIPS Plan No. AS 39 603-4793090_A, False Flr IC and Gyro Rm

0. MSC Drawing 413-702351, WD, Unit 1 Main IC SWBD

0. MSC Drawing 413-702949, WD, Unit 3 Main IC SWBD

0. MSC Drawing 413-703623, Schematic Unit 1 Main IC SWBD

0. MSC Drawing 301-8496204, Arrangement MODS MK27F Gyrocompass System Install

0. MSC Drawing 184-8496203, Foundation MODS MK27F Gyrocompass System Install

0. MSC Drawing 426-8496205, Electrical Removals INCID MK27F Gyrocompass System Install

0. MSC Drawing 426-8496206, Electrical Installation MODS MK27F Gyrocompass System Install

0. 426-8496558 MK27F Gyrocompass Sys Installation Wiring Tables

0. MSC Tech Manual 0910-LP-115-7117, MK27F Gyrocompass System for USS Frank Cable (AS 40), Installation, Operation and Maintenance Manual

1. ITEM LOCATION/DESCRIPTION:

1. Pilot House (04-29-0-C)

1. Chart Room (04-33-2-C)

1. Bridge Wing Port and Starboard, 04 Level

1. Captains Sea Cabin (04-33-1-L)

1. Passage (04-33-01-L)

1. Transmitter Room (04-33-4-C)

1. Captain’s Cabin (03-29-1-L)

1. Passage (03-37-0-L)

1. Gyrocompass Shop (01-134-4-Q)

1. Passage (01-50-0-L)

1. Aft Steering (4-147-0-E)

1. IC/Gyro Room (5-56-0-C)

1. GOVERNMENT FURNISHED MATERIAL (GFM): None

1. NOTES:

1. Contractor shall obtain and maintain base/pier access all throughout the duration of Period of Performance (POP).

1. MSCREP consist of Port Engineer, Navigator and Chief Engineer or his designated representative.

1. QUALITY ASSURANCE REQUIREMENTS:

6.1 The requirements of this Work Item shall be accomplished in accordance with references 2.1 thru 2.14, and current Regulatory Body Rules and Regulations.

1. STATEMENT OF WORK REQUIRED:

3. Provide the service of an authorized Field Service Representative to accomplish the installation of Sperry Marine MK27F Gyrocompass.

0. Provide and install as Contractor Furnished Material (CFM);

0. (3 EA) Telescopic Alidade Part No. 2000-7-0

0. (4 EA) Azimuth Circles Part No. 6605-00-240-5599

0. (1 EA) Synchro Booster Amplifier Part No. 192A303

0. (2 EA) Gyro Grounding Strap

0. Label internal breakers of Gyro Terminal Box (GTB). Label terminal blocks, install wire markers where applicable.

0. Install new UPS units in Gyrocompass Room and Aft Steering Room.

2. Rewire GTB as needed.

2. Modify/Fabricate new foundation as needed.

0. Install new 24VDC power supplies.

0. Install DAU in Aft Steering Room.

0. Provide and install bench mark plates after final sun azimuth or bearing shots taken.

0. Conduct final testing of all synchro signals with the MSCREP.

0. When directed by the MSCREP, accomplish at sea trials to the newly installed MK27 Gyrocompass. Make adjustment for proper operation as needed.

0. Submit final correction to all applicable drawings listing all new installed parts/material.

0. Provide three (3) copies of a written report the results of the requirements of this work item to the MSCREP.

1. GENERAL REQUIREMENTS:

4. POP: 20 Jul – 20 Oct 2019.

4. Location: Uniform Pier, Naval base Guam.

FCB19-046-3