ASDSO-19-004_SOW_WMIS_Calibration_AVCERT.doc

USNS ALAN SHEPARD

(T-AKE 3)

AUXILIARY MACHINERY SYSTEMS

28 November 2018

ITEM NO. SO-19-004

Category "A"

MSC/EO

Calibration of WInd measuring and indicating system

1.0 ABSTRACT:

1.1 This item describes the requirement to perform in place calibration of the Flight Deck Wind Measuring and Indicating System (WMIS) for AVCERT flight deck recertification.

2.0 REFERENCES:

2.1 T/M TN578-AN-MMC-010; Wind Measuring & Indicating System; Transmitter Model 120 and Indicator Model 135

2.2 NAVAIR LAKEHURST 4.8.2.5; Air Capable Ship Aviation Facilities Bulletin 1M.

2.3 LAKEHURST Report No. NAEC-91-8050

3.0 ITEM LOCATION/DESCRIPTION:

3.1 Location/Quantity

3.1.1 Location: O7 Level / Bridge / FLT Deck Control

3.1.2 Quantity:

3.1.2.1 Two (2) AEROVANE 120 Wind Speed and direction Transmitters

3.1.2.2 Two (2) AEROVANE 135 Indicators

3.2 Item Description/Manufacturer’s Data. None additional.

3.2.1 Bill of Material (Contractor Supplied)

3.2.2 Quantities are considered estimates. The Contractor shall provide all cable and electrical/electronic fittings required to functionally test/calibrate the Wind Measuring and Indicating System in order to meet the requirements of this specification.

4.0 GOVERNMENT-FURNISHED EQUIPMENT/MATERIAL/SERVICES: None

5.0 NOTES:

5.1 Period of Performance will be 3-23 March 2019 in the United Arab Emirates.

5.2 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.

5.3 This ship contains High Voltage (HV) electrical systems. The contractor and subcontractors shall obey all posted and verbal instructions regarding safety and exclusion from High Voltage areas. At no time shall a contractor or subcontractor approach, work on, or enter a High Voltage area with out proper authorization.

5.4 THE USNS ALAN B. SHEPARD ELECTRICAL COLOR CODING DOES NOT FOLLOW CONSISTENT COLOR SCHEME. THE SHIP IS KNOWN TO HAVE CURRENT CARRYING CONDUCTORS COLORED GREEN, BLUE, BLACK AND WHITE. THE CONTRACTOR SHALL ASSUME ALL ELECTRICAL CABLES ARE HOT UNTIL TESTED OTHERWISE. THE CONTRACTOR SHALL TEST ALL ELECTRICAL CABLES TO ENSURE THEY ARE DEAD PRIOR TO WORKING ON THE ITEM.

5.5 All Electrical cables and components shall be installed in accordance with the IEEE STD 45 Latest Rev.

6.0 QUALITY ASSURANCE REQUIREMENTS: None Additional

7.0 STATEMENT OF WORK REQUIRED:

7.1 Arrangements/Outfitting: None additional

7.2 Structural: None

7.3 Mechanical/Fluid: None

7.4 Electrical: None additional

7.5 Electronics:

7.5.1 Check Zeroing of the installed AEROVANE Model 120 transmitters as per section 4 of reference 2.1.1.

7.5.2 Test the wind speed and direction system as per section 5 of reference 2.1.1.

7.5.3 Perform and document the Calibration and Certification procedures in Appendix A of reference 2.1.3 using the Aerovane Type Shipboard Wind Measuring Equipment NAEC PN 625784-1.

7.5.4 Perform adjustments and zeroing as necessary in accordance with references 2.1.1 and 2.1.3 to achieve satisfactory compliance with the required set points.

7.5.5 Demonstrate operation of the wind indicating system to the ships Chief Mate after satisfactory completion of calibration.

7.5.6 Provide the Chief Mate a signed/stamped certificate of calibration for the Wind Measuring and Indicating System for presentation to the AVCERT board of Inspectors.

7.6 Preparation of Drawings/Documents:

7.6.1 Guidance drawings- None Provided.

7.6.2 Working drawings- None

7.6.3 Redline drawings-None

7.6.4 As-built drawings-None

7.6.5 Service Reports:

7.6.5.1 Provide a service report which includes the as-found condition of the system, all test conducted, required adjustments performed, and the condition of the system after testing. The Final report will have a separate official certificate of calibration signed and stamped for presentation to the AVCERT board of inspectors.

7.7 Inspections and Testing:

7.7.1 None Additional

7.8 Painting, labeling and Markings:

7.8.1 Painting: None

7.9 Marking: None additional

7.10 Manufacturers Representative: None additional

8.0 GENERAL REQUIREMENTS: None additional.