Tug Pair Delivered to PSA Marine

PSA Thor (Photo: Robert Allan Ltd.)

In August 2018, PSA Marine Singapore took delivery of two new 32-meter tugs, PSA Thor and PSA Hulk, built at PaxOcean Engineering Zhuhai Co., Ltd.

The evolved Ramparts 3200 ASD hull form has been developed by Robert Allan Ltd. to provide ship assist in the berthing and un-berthing operations in ports/terminals and also coastal towing operations. Tugs of this design are capable of escort service as well. PSA Thor and PSA Hulk feature a uniquely styled deckhouse and wheelhouse developed exclusively for PSA Marine.

The two new tugs join to PSA Marine’s existing fleet, which includes six RAmpart and 12 Z-Tech tugs also designed by Robert Allan Ltd.

Main propulsion for each tug comprises a pair of Caterpillar 3516C diesel engines, each rated 2,525 kW at 1,800 rpm, and each driving a Schottel SRP 510FP Z-drive unit, with a 2800 mm diameter fixed pitch propeller.

The tugs are fitted with a classed Fire Fighting 1 system from FFS, driven off the starboard main engine. The electrical plant consists of two identical Cummins QSM11-M diesel gen-sets, each with a power output of 220 ekW, 50 Hz.

The deck machinery comprises a Rolls Royce heavy duty render/recover escort towing winch on the bow, spooled with 220 m soft line on working drum plus 150 m spare line on the second drum. There is also a Rolls Royce towing winch on aft deck with a capacity of 720 m of Ø52 mm steel wire rope.

The large area of aft deck provides capability of loading deck cargo. The aft end of bulwark is opened for coastal towing service.

Ship-handling fenders at the bow consist of one tier of 800 OD x 400 ID cylindrical fender at the main deck level, with 480 x 300 W-Block fenders between the main deck and the knuckle, and 300 x 300 hollow D style fenders along the sheer lines of main and forecastle deck, stem and skeg. 400 OD x 200 ID fendering is used at the stern.

The vessels have been outfitted to the highest standards for a normal operating crew of four, the designer said. The Master and chief engineer’s cabin are located on the main deck, with four additional double crew cabins located on the lower accommodation deck. There is also a galley and mess room located on the main deck.

The tugs were designed and constructed to satisfy all applicable Rules and Regulations of LR *100 A1 Tug, Escort Tug, Fire Fighting Ship 1 with Water Spray, *LMC, UMS, IWS.

Main Particulars
Length Overall: 32 m
Beam, molded: 12 m
Depth, molded: 5.42 m
Maximum draft: 5.53m
Gross Tonnage: 496

Tank Capacities
Fuel Oil: 200 m3
Potable Water: 32 m3

Trials Results
Bollard Pull, ahead: 82 metric tons
Bollard Pull, astern: 78 metric tons
Free running speed, ahead: 12.5 knots

Source: https://www.marinelink.com/news/tug-pair-delivered-psa-marine-441240

Photo: PSA Thor (Photo: Robert Allan Ltd.)

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