วันเสาร์ที่ 9 กรกฎาคม พ.ศ. 2554

Personnel Transfer Basket ภาษาอังกฤษ

RECOMMENDED PRACTICE FOR CRANE SUSPENDED OFFSHORE PERSONNEL TRANSFERS

Personnel Carrier Rigging Configuration

Double Safety Loadline

All personnel carriers can be equipped with a double safety loadline assembly composed of a main support line constructed of a galvanized steel wire rope sling, it has a minimum breaking strength of 34,000 Ibs. (15422 kgs) and a secondary shock absorbing safety line rated at a minimum breaking strength of 27,700 Ibs. The designation for a double safety load line on Billy Pugh Co. personnel net is “DC”. Example: X-871 D/C *Billy Pugh personnel nets also have a backup fiber rope safety line contained within the stabilizer unit.  It is not visible because it needs to be protected from UV under the canvas for the stabilizer.
Picture of Personnel Net Stabilizer model X-871

Inspection of personnel basket prior to each use by qualified person (Safety officer, rigger or crane operator)

Check for any damage on all parts of the unit
·         Visually inspect safety load line when attaching the basket to the crane hook. This includes the 4 part sling and all hardware as well as the load line and fabric covered stabilizer. Look for crimps, broken wires or excessive wear or rust. If any of these problems exist, take the unit out of service immediately and replace the sling. Inspect crane hook positive locking device for function and physical condition.
·         Visually inspect all of the load bearing areas of the basket for excessive wear or damage paying close attention to the rigging lines (inner and outer).
·         Visually inspect the aluminum center section for damage, cracks or excessive wear.
·         Inspect the stainless quick release clips. Regularly spray with a lubricant so that they operate smoothly.
·         If any load bearing area of the basket is worn or defective in any way, take the unit out of service immediately.

6 month inspection procedure (by **Qualified inspector)
·         Check for any damage or defect on all parts of the unit.
·         Visually inspect safety load line, four part sling and all hardware (paying close attention to broken wires, flattened sections, crimps, rust etc.). This should follow API sling inspection guidelines.
·         Inspect fabric covered stabilizer for tears or excessive wear. This may need replacement if inner rubbers have had significant use and have lost elasticity.
·         Inspect outer and inner rigging ropes and the bolts that hold them for sufficient tension.
·         Inspect top and bottom of powder coated aluminum frame including top and bottom ring, expanded metal top, and center pole. Look for excessive wear, cracks or corrosion.
·         Turn center pole (at least three full turns) loosening and then tightening. Swab the threads with lubricant to prevent seizing.
·         Check top and bottom flotation coverings and batts for deterioration or damaged closed cell foam.
·         Inspect rubber feet on bottom of basket for deterioration or damage or missing feet. These are critical as they lessen landing shock for riders.
·         Inspect for modifications or non OEM supplied components. Non OEM components or modifications should be removed.
·         Defective or worn parts should be replaced by a qualified individual as required.

MANUFACTURER RECOMMENDS THAT A TWO YEAR INSPECTION BE CONDUCTED BY THE MANUFACTURER (OR APPROVED REPRESENTATIVE) AND A NEW CERTIFICATE OF CONFORMITY BE ISSUED AT THAT TIME. 

**API definition of "Qualified inspector"


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