Powerful pair of RAmparts 3700 tugboats delivered to Rizhao Port in China
April 15, 2025
Robert Allan Ltd. is delighted to announce the successful delivery of the Ri Gang Tuo 32 and Ri Gang Tuo 33 to Rizhao Port in Shandong, China, on February 18, 2025. These RAmparts 3700 series tugs were recently completed at Rizhao Gangda Shipbuilding Heavy Industry Co. Ltd. and marking a significant milestone as they are the most powerful tugs built by the shipyard under the same group of companies.
The two tugs are designed for offshore towing and vessel assistance, tailored to meet the specific needs of the attended vessels at the port and the unique environmental conditions. Remote monitoring and control systems are integrated on the tugs, optimizing the performance and safety, thereby distinguishing them within the port fleets.
Particulars of Ri Gang Tuo 32 and Ri Gang Tuo 33 are:
- Length Overall: 37.20 m
- Beam, moulded: 11.80 m
- Depth, moulded: 5.73 m
- Gross Tonnage: 626
The tug was designed and constructed to comply with all applicable Rules and Regulations of CCS to the Class notation ★ CSA, Tug, R2, ★ CSM, AUT-0. Sea trial results showed that the Ri Gang Tuo 32 and Ri Gang Tuo 33 achieved and surpassed all requirements to the design:
- Bollard pull, ahead: 82.6 tonnes
- Free running speed, ahead: 14.2 knots
Spacious lounge, Master cabin and chief engineer’s cabin, alongside with the galley are arranged on the main deck, while the lower deck houses eight single cabins for crew members including officers.
The tug’s main propulsion consists of two Niigata 8L28HX diesel engines and two Niigata ZP-41 units. For more information on the RAmparts 3700 or any other vessel designs developed by Robert Allan Ltd., please contact: design@ral.ca.
