The maritime industry plays a pivotal role in facilitating global trade and transportation. To enhance operations at Payra Port Authority, Multibeam Corporation of USA, in collaboration with Dockyard and Engineering Works Limited (DEW) Bangladesh, has successfully built two state-of-the-art workboats. These workboats, named Kajol-1 and Kajol-2, boast impressive features, advanced equipment, and robust capabilities, making them invaluable assets for the Payra Port Authority.

Project Design and Project Management:

The exceptional design of these workboats is credited to Global Marine Design, a renowned Australian naval architecture firm known for its expertise in designing vessels for various maritime applications. The project was efficiently managed by Multibeam Corporation, a reputable project management company based in New York USA. Celestial Tech Limited, project implantation partner of Multibeam Corporation, played a vital role in overseeing the construction and integration of various systems. Dockyard and Engineering Works Limited (DEW) in Bangladesh was responsible for building these remarkable workboats, ensuring the highest quality and adherence to specifications.

Workboat Features and Capabilities:

Let’s explore their remarkable features and capabilities:

Dimensions and Performance:

Length LOA: 15.05m

Maximum Breadth: 4.98m

Draft (Overall): 1.10m

Full Load Displacement: 18.9 Tonnes

Maximum Speed: 32 Knots

Cruising Speed: 18 Knots

Range: 328NM at 18 Knots

Crew and Passenger Capacity:

Crew: 5 Persons

Passenger: 8 Persons


Propulsion System:

Main Engines: The workboats are Each Workboat is equipped with powerful Volvo Penta D11-625 engines, each generating 625HP at 2400 RPM. These engines ensure reliable and efficient propulsion.

Gearboxes: Two ZF 325IV-E gearboxes with a ratio of 2:1 facilitate smooth power transmission from the engines to the propellers.

Propulsion: The workboats utilize a Shaft Propeller Rudder system manufactured by BT Marine, enabling precise maneuvering and control.

Electrical System:

Main Generator: Each Workboat is equipped with Sole Diesel 25GSC Marine Generators with a continuous rating power output of 18.1 KW. This highly reliable generators are extremely fuel efficient and has a proven long service life.

Electrical Switchboards: Each vessel is equipped fitted with one Main Switchboards, one 230V Distribution board, one 12V DC Distribution board and one 24V DC Distribution board. Each designed, manufactured, tested and commissioned by Multibeam Corporation.

Battery System: The workboats are equipped with ample DC power to ensure continuous operation of navigation and communication devices even in the even of loss of power from main generator. The cleverly designed battery charging system by Multibeam Corporation enables redundant charging capacity for all of its battery system if required.

Navigation and Communication Equipment:

To ensure safe and efficient operations, the workboats are equipped with a range of navigation and communication equipment, including:

DGPS: SIMRAD P3007 with MX521B antenna provides accurate positioning information for navigation.

Echo Sounder: JMC F-1000 measures water depth, aiding in safe navigation.

Radar: ICOM MR-1220T4 detects other vessels and obstacles, enhancing situational awareness.

VHF Radio: ICOM IC-M220 facilitates seamless communication with other vessels and the port authority.

GMDSS: ICOM GM-600 ensures reliable communication during emergency situations.

Walkie Talkie: ICOM IC-M25 provides short-range communication among crew members.

Tank Capacities:

Fuel: 2500 Liters

Fresh Water: 250 Liters

Material and Classification:

Hull: Aluminum

Superstructure: Aluminum

Classification: The workboats have obtained Hull Class classification from Bureau Veritas (BV), attesting to their compliance with international maritime standards.


The introduction of Kajol-1 and Kajol-2 workboats marks a new era of efficiency, reliability, and versatility at Payra Port Authority. The Payra Port Authority can now rely on these workboats to enhance their operations, bolster productivity, and ensure the smooth flow of trade and maritime activities.