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Incorporating Clean Shipping International

FIREBOAT DESIGN FOR BANGLADESH NAVY

Monday, October 14, 2019 

Robert Allan Ltd (RAL) of Canada has supplied a design for two fire-floats to Khulna Shipyard in Bangladesh.

The boats will measure 18.9m x 5.3m with a special hard chine semi-displacement hull designed for river service and fitted with twin open style skegs for debris protection. The all-aluminium hulls will be powered by two 560kW 6135SFM85 John Deere main engines for a speed of 20 knots. Reduction gears will be Reintjes WAF 244 with 2.5:1 reduction ratio driving stainless steel shafts and bronze propellers. The engines are designed to be easily removed from the vessel via matching hatches in the main deck and overhead in-house top. Self-propelled CFD simulations run by RAL confirm the design speed of 20 knots is achievable. A single Westerbeke 23.0 EGED generator provides electrical power.

Two 2,000 litre/minute fire pumps will be fitted, each driven by a 55kW IVECO diesel engine. The pumps are located low in the boat so priming systems are not required. Two 2,000 litre/minute fire monitors are located on the house top within view of the operators in the pilothouse. Foam concentrate capacity is 500 litres and six hydrants are located fore and aft on the main deck.

Most of the accommodation is on main deck level including an officer’s cabin with attached WC, galley, mess, and seating for 12 fire fighters in an air-conditioned deckhouse. Overnight berths for six persons are located in the foc’sle. The joiner work utilises aluminium honeycomb panelling to reduce weight.

Two boats are currently under construction at Khulna Shipyard for the Bangladesh N

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