Helideck Equipment

Helideck Fire Suppression Systems

Our helideck systems are fitted with AFFF fire suppression systems. The systems include self contained foam stations consisting of combined hose reels and monitors as per CAP 437 requirements. Steel bladder tanks meeting specific requirements are also provided depending on the client's requirements. Detailed engineering and construction drawings are provided. Equipment is procured from reliable suppliers.

Helidex now supplies helideck DIFFS fire suppression systems consisting of either bronze nozzles fitted around the deck perimeter or pop-up  S.S. nozzles fitted within the deck itself. A bladder tank skid is supplied to feed the system with the required foam solution. This system is equipment with an automatic activation system if requested, consisting of UV/IR sensors. The system is monitored by a Siemens control panel.

Due to potential helicopter operational problems associated with the loss of downwash pressure, Helidex does not provide perforated helidecks. We have, however, developed a new extrusion which eliminates this problem. A continuous "T"slot is built-in in the top flange to allow for drainage inside a built-in channel filled with an aluminum flame arrestor mesh.

We also provide complementary media as per CAP 437 requirements  and ABS water hose reels. . we have supplied equipments to meet the requirements of DNV, ABS and LR.

Helideck Lighting Systems

We provide the complete lighting system consisting of the illumination system, solar power supply, monitoring instrumentation and other equipment required for the night operation of helidecks. We provide both Zone 1 and Zone 2 systems. We mainly supply IMT products.

Our system are designed by in-house electrical engineers to meet the various codes and requirements. We procure our components from reputable vendors.

We provide the following:

• Incandescent/LED Perimeter lights
• Halogen/Xenon Floodlights
• Distribution/Control Panels rated for wet locations, Zone 1 and Zone 2
• Radio receiver/controller
• Solar panels, invertors and batteries
• CAP 437 compliant Status lights/repeater lights
• Windcone
• Obstruction Lights.
• Touch Screen control panels
• Heliport Chapi/Hapi systems.
• Rotating beacons

Helideck Landing Nets

Our helideck systems are supplied with CAP 437 compliant manila rope landing nets with S.S. accessories. Landing nets are supplied in accordance with the folloing:

• 20 mm diameter manila rope with intersections weaved or knotted to prevent distortion of the mesh.

• Maximum mesh size of 200 mm is maintained during the weaving of the landing mesh.

• S.S. 316 aircraft cable, tie-downs and accessories are provided to secured the net the deck at every 1.5 m along the perimeter of the deck close to the gutter.

• Landing net is tightened during installation to at least 2225N or so that any part of the net cannot be lifted by hand by more than 250mm above the deck.

Landing net are usually not supplied for fixed offshore platforms or rooftop structures. The following sizes are supplied depending on the CAP 437 classification of the helideck. Deck sizes are defined in CAP 437 Table1: D Value and Helicopter Type Criteria.

• Small landing net: 9m x 9m square of octagonal depending on the shape of the helideck.

• Medium landing net: 12m x 12m

• Large landing net: 15m x15m

Despite the CAP437 requirement for a landing net on some offshore helidecks, Helidex strongly advises against the use of landing nets on helidecks due to their inherent tripping hazard and the well documented accidents related to the tangling of helicopter wheels and skids to the net during take offs.

Helideck Refueling Systems

Helidex provides helicopter refueling systems. We use Imenco systems. Imenco is a leaidng supplier of such systems. Their system primarily consists of the following:

• Dispencer Unit

• Test and Recycling Unit

• Pump Unit

• Jetfuel Tanks - Storage Tank and /
  or Transportation Tanks

• Deluge System

• Heavy duty Skid for Storage Tank and or 
  Transportable Tanks

• Fixed or releasable frame

• Customized packages

Codes and Regulations

• Pressure Vessel ASME VIII, Div. 1

• Tanks IMO 1

• Transportable Tanks appr. DNV 2.7.1

• System acc.to CAP 437 (and OLF, if required)

• Norsok upon request