Washburn & Doughty delivers Independent
Washburn & Doughty Associates, Inc.
delivered the 5,000 hp Z-Drive Tug Independent to Marine Towing of Tampa. The 92 x 32 x 13.7-ft. tug is designed for ship handling and built to ABS Class Maltese Cross Al. Maltese Cross AMS, with notation: Towing Service and Fire Fighting Capability.
Independent admeasures 148 gt and has a Load Line based on USA flag registry and USCG rules. Bollard pull is estimated at 135.000 lbs ahead and 130,000 lbs astern.
Independent is powered by High Displacement Caterpillar 3516 B main engines — rated at 2,500 blip @ 1,600 rpm — with electronic injection. The propulsion units are Rolls-Royce 1650H Z drives equipped with 2,400 mm stainless steel propellers and Kort nozzles with stainless steel liners. The vessel is equipped with two Caterpillar 3304 DIT marine package unit generators that provide 99KW @ 1,800 rpm, 208V 3 phase.
One generator is normally on line while the other is on standby. In event that the on line generator fails, the switchboard and generator automatically start the standby generator, put it on line, and shut down the other generator.
Fernstrum grid coolers are used to cool the main engines and fire pump engine.
The Z Drives are keel cooled by a welded channel cooler and the generators are cooled by circulating jacket water in the skeg void.
Independent is outfitted with Schuyler 16-in. laminated "soft loop" bow fender and a 12-in. black rubber "D" fender on the sides and stern. The vessel is equipped with two 1,500 gpm SKUM Fire Monitors, with water and AFFF no/./les with local pick up, and an Aurora model 411 centrifugal fire pump.
Power is provided by a Caterpillar 3406TA pump engine. Deck machinery consists of a Markey electric hawser winch and an Almon Johnson electric capstan aft. It is outfitted with a Siemens machinery alarm system, and all components are completely modular and plug into a single dedicated backbone.
Navigation and communications equipment include a Furuno GP-37 DGPS: a Simrad/Robertson AP9MK3 autopilot; a Simrad HS50 satellite compass; a Standard LH5 loud hailer; a Simrad RA53-4 radar; a Furuno 1953 C/NT radar; a Furuno depth sounder; and three Icom Ml27 VHF radios
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- A Tradition Carried On page: 10
- EC: Spanish Shipyards Owe €308.3M page: 11
- Uljanik Delivers for Grimaldi-Napoli page: 12
- Washburn & Doughty delivers Independent page: 13
- Bollinger Repowers, Modifies 40-Year-Old Tug page: 14
- ACBL Announces Sweeping Changes page: 18
- Ocean Policy Study: Shortchanging Water Transport? page: 21
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- The Containership Market: Full Steam Ahead? page: 32
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- Floating Production: The $8 Billion Market page: 36
- LNG Fleet Needs to Triple by 2020 page: 38
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- Ice Tech: The Northern Promise page: 42
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- Emulsion Breaking Bilge Water Cleaning System page: 44
- Balancing Security Safety and Commerce page: 46
- When the Clock Strikes Midnight page: 50
- The Layered Approach from a One-Stop-Shop page: 54
- JHOC: Eyes Wide Open page: 58
- The Posse Comitatus Act of 1878 page: 61
- Jacksonville Selects ObjectVideo's Solution page: 63
- Ship@Sight SSAS page: 63
- The Midas Touch page: 64
- Security and Safety: Questions & Answers page: 69
- Storm Warnings Raised over Readiness Concerns page: 70
- MACC 2004: Multi-Agency Craft Conference set for June 15-17 page: 76