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Allal Ben Abdellah
Outside35°cHumidity80%
22oInside
Provided byHeinen & Hopman
Our mission is to ensure you the perfect climate indoors, regardless of the weather outside.

HVAC | SIGMA Frigate 9813

Allal Ben Abdellah is a SIGMA-class frigate of 98 meters in length; it was built by Damen Schelde Naval shipbuilding for the Royal Moroccan Navy in 2012. It is designed to conduct the traditional naval tasks as well as maritime security operations. Heinen & Hopman was responsible for the engineering, supply, installation and commissioning of the whole HVAC system as well as the NBC Filtration onboard.

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Description of the project

Three SIGMA-class frigates were designed for the Royal Moroccan Navy using Damen Schelde Naval Shipbuilding's revolutionary SIGMA approach. These represent a further development of the SIGMA corvettes for the Indonesian Navy. The SIGMA approach applies modularity in many areas, which offers greater flexibility at reduced costs.

The frigates are also known as ‘FMMM’, which stands for Frégates Multi-Missions Marocaines. The first frigate is longer than the other two, to accommodate VIP crew and command facilities. The vessels were built according to Lloyds Register Class for unrestricted service and enhanced using proven naval principles.

Superior propulsion and sea-keeping capabilities make the SIGMA-class frigates perfectly suited for operations in Moroccan territorial waters. Basic functions include maritime patrols and surveillance in Territorial Waters and the EEZ. In addition, fishery protection, protection of natural resources, maritime search and rescue, as well as policing/law enforcement at sea are all part of the vessel’s responsibilities.

A helicopter deck and hangar for helicopters with a maximum weight of five tonnes, with lashing points and refuelling systems, is also provided (landing and take-off up to nine tonnes). Helicopter operations can be performed day or night.

Challenges

  • Technical challenges (among others)
  • Shock, vibration and EMC requirements
  • Vulnerability requirements for certain systems
  • Space constraints for the routing of spiro pipes systems, ducts and pipes
  • Cooling of equipment for combat purposes
  • Hangar ventilation
  • Engineering a Citadel arrangement to keep the vessel safe from nuclear, biological and chemical attacks, if required in the near future (system not installed)
  • Every document and drawing needed to be produced in the French language

Organisational challenges (among others)

Vessel is part of the SIGMA family, which is a DSNS programme to build vessels in modular sections. During the design phase, consideration needed to be taken of the fact that the solutions chosen would be used in future projects and that solutions employed in previous vessels could be included. 

Scope of work

Heinen & Hopman’s scope of work for the FMMM project comprised:

Pre-contract

Co-writing technical specifications and implementing the HVAC system within the vessel design.

Post-contract

Complete design and engineering of the HVAC and PCP systems, followed by delivery, installation, commissioning, FAT, HAT, SAT and ILS activities.

Vessel was constructed by Damen Schelde Naval Shipbuilding in the Netherlands. 

Scope of supply

Among several smaller items of equipment, the following main equipment was supplied.

  • 2 x Air-handling unit with control panel Total 27,000 m3/hr
  • 12 x Fan-coil unit with control panel Total 17,000 m3/hr 1 Control panel serving VIP rooms
  • 2 x Chilled water plant with control panel Total 700 kW
  • 2 x Chilled water pump
  • 2 x Chilled water booster pump
  • 1 x Heat exchanger set for combat systems with control panel
  • 2 x Chilled water pump for combat system
  • 2 x Gravity coil
  • 1 x Central heating boiler with control panel Total 175 kW
  • 2 x Central heating pump
  • 5 x Duct heater
  • 2 x Radiator
  • 16 x Panel heater
  • 36 x Fans (axial, centrifugal, duct) Total 240,000 m3/hr
  • 1 x Provision refrigerant unit with control panel Total 3.5 kW
  • 3 x Evaporator
  • 22 x Fire damper with control box
  • 38 x Smoke damper
  • 1 x Fire extinguishing installation for galley exhaust duct
  • 9 x Mist eliminator
  • 56 x Grid with and without hatch
  • 10 x Gooseneck

Contact Heinen & Hopman

Read more

Subsidiary
H&H Headquarters
Shipyard
Damen Schelde Naval Shipbuilding
IMO No.
N/A
Name Vessel
Allal Ben Abdellah
Owner
Royal Moroccan Navy
Delivery year
2012
Country of Delivery
The Netherlands
Vessel type
Frigate
Length
97.90 m

We installed special navy equipment on these frigates, like NBC filtration systems and shock- and vibration-proof equipment.

Michel Veltman

Michel Veltman

Michel Veltman

- Sales Manager

Michel Veltman

Michel Veltman

- Sales Manager

Certification

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