Statement_of_Work.pdf

1. Item 572 – Knuckle Boom Crane Maintenance

1.1. Scope:

1.1.1. Repair and inspect knuckle boom crane.

1.1.2. Perform inspection and repairs on the three (3) Appleton cranes for ABS Cargo Re-Certification.

1.2. References:

1.1.1. NOAA Ship Bell M. SHIMADA technical manual, SH-583-

“Knuckle Boom Crane Model KB120-67”

1.1.2. Appleton Marine, Inc. drawing AMD-1585 – “Crane Assembly”

1.1.3. Appleton Marine, Inc. drawing AMD-1586 – “Piping Assembly”

1.1.4. Braden Series PD12C, PD15B, PD27A Hydraulic Winch –

“Installation, Maintenance and Service Manual”

1.3. Government Furnished Material:

1.3.1. None

1.4. Requirements:

1.4.1. Provide certified technical representative for crane

inspection.

1.4.2. Wire rope for knuckle boom crane to be 190 ft of ¾”

Diameter 6x37 IWRC.

1.5. Tasks:

1.6. Repair and inspect knuckle boom crane

a. Conduct pre-removal operational and condition inspection of knuckle boom crane.

b. Remove and inspect crane boom with jib and luffing cylinders

1. Disconnect electrical and hydraulic connections as necessary for removal of crane boom and cylinders.

2. Disconnect and remove crane boom from turret at the heel pin and luff cylinder.

3. Remove jib and luff cylinders.

4. Lay out all components and conduct a complete inspection of all removed crane components including cylinders, hoses, fittings, structure, angle indicator, sheaves and machinery.

5. Inspect all pins and bushings, including the sheave pins and bushings. Dimension all pins and bushings not being replaced. Prove all pins are round. Include the dimensions and deficiencies of the pins and bushings in service report to the COR.

6. Remove winch from boom.

c. Crane Winch Inspection. Submit Condition(s) Found Report (CFR) for component discrepancies for resolution by the

COR.

1. Remove wire from winch

2. Disassemble winch as necessary to inspect planetary gears, brake cylinder, brake valve and hydraulic motor.

3. Inspect winch components.

4. Reassemble winch assembly using new software, fittings, hoses and fasteners.

a) All replaced hoses to have a safe working pressure of 3000 PSI and labeled with the following information:

1) Hose Identification

2) Pressure the hose was tested to

3) Date tested

b) Replace brake valve.

5. Test winch assembly for proper operation prior to installation on the crane boom.

d. Inspect crane slew bearing and gears.

e. Inspect turntable bearing bolts

f. Inspect crane’s turntable bearings

g. Reassemble crane boom assembly

h. Install winch assembly to crane boom using new mounting hardware.

i. Provide and install new wire rope for the winch.

j. Reconnect boom assembly at the heel pin and luff cylinder pin to turret.

1. New thrust washers to be installed.

a) The lock plates may need to be modified for full engagement of heel pin flats.

k. Reconnect electrical and hydraulic connections.

l. Conduct post-removal operational and condition inspection of knuckle boom crane with COR in accordance with OEM procedures for initial crane start-up. Apply new Dinzel tape to all exterior hose fittings.

1. Contact COR to arrange for ABS Surveyor to inspect crane for ABS cargo certification.

1.6.2. Conduct ABS Cargo Re-Certification

a. Conduct crane inspection and testing of aft knuckle boom crane, aft sliding boom crane and forward stores handling crane with COR and ABS Surveyor.

1. Weight testing of both aft cranes will be required.

2. Fabricate and install a Test Data Plate on the crane pedestals using Figure 1 for guidance. If a Test Data Plate exists and there is room on it, the existing test data plate may be stamped with the current test data.

AFT CRANE TEST DATA

SAFE WORKING LOAD 6,600 LBS AT 46 FT

125% OVERLOAD TEST 8,250 LBS AT 46 FT

125% OVERLOAD TEST 30,000 LBS UNDER 10 FT

Date Tested Place Tested Date Tested Place Tested

(Fill in) (Fill in)

DO NOT DEFACE OR REMOVE

Figure 1

Notes:

a) Use 3/16” (min) uppercase lettering.

b) Plate to be CRESS with engraved lettering.

c) Install with CRESS #10 screws at the corners.

1.7. Quality Assurance:

1.7.1. ABS Surveyor to be in attendance for final inspections and certification.

1.7.2. Submit service report for crane inspections within 10

business days from completion. Reports to include material and operational conditions, recommendations, measurements and test results.

1.8. Period of Performance:

1.8.1. 26 November – 21 December 2018

1.9. Place of Performance:

1.9.1. 2002 SE Marine Science Dr, Newport, OR 97365

1.10. Notes:

1.10.1. Government will provide ABS Surveyor.