TS Kennedy Propulsion Shafting.pdf
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- Solicitation number
- 6933A220Q000005
About this file
This document contains a federal solicitation for drydocking repairs and an ABS intermediate survey of the T.S. Kennedy training vessel. The U.S. Department of Transportation Maritime Administration seeks a firm fixed price contract to perform drydocking, examinations, inspections, structural and hull work, tank cleaning, propeller and stern tube work, and other repairs. The solicitation includes a site visit onboard the T.S. Kennedy on December 17, 2019 for prospective offerors to understand work requirements. Offers are due by January 10, 2020, with a period of performance from March 1 to May 1, 2020 to complete all work and return the vessel to active service. Minority, women-owned, and disadvantaged businesses are encouraged to consider the Department of Transportation's short-term lending program for transportation contract financing.
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Text version
TS Kennedy Propulsion Shafting
The following information was derived from various drawings and field measurements. Contractors are to verify all information prior to determining static loads and bearing influences.
Line Shaft and Bearings: There are 8 line shaft bearings manufactured by Western Gear of Everett, Washington. Designed bearing pressure is 35.9 #/sq-in. Line shaft diameter in way of each bearing is 20.875 inch. Each line shaft bearing surface length is 28 inch.
Journal surface speed is 500 fpm @ 92 rpm.
Tailshaft and Bearings: The tailshaft consists of a forward and aft bearing. The tailshaft diameter in way of the forward bearing is 24.062” and rests on a 24 inch long bearing surface. The tailshaft in way of the aft bearing is 24 inch in diameter and rests on a 6 ft long bearing surface.
Bull Gear Shaft and Bearings: The bull gear (2nd reduction gear) is manufactured by DeLaval. It is supported by a forward and an aft bearing. Design bearing pressure is 163 #/sq-in. Each bearing diameter is 22 inch and each bearing length is 18 inch.
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