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HAZARD MARKING

Marine nautical hazards such as rocks and shoals are common on most waterways but other hazards such as underwater pipelines, race courses, seaplane bases, submerged structures, and areas where no through channel exists can be difficult to identify. All types of marine hazards should be marked with some sort of visual indicator to warn mariners of dangers above and below the water's surface. Although navigation aids of this type are often established by government and or private authorities this is not always the case so certain areas may require better or additional hazard marking.

While the fundamental aids to navigation may be universal, there are  also specific concerns for different types of boating. Unlike open-water or coastal navigation, river navigation can present unusual challenges because shorelines and river beds constantly undergo subtle and not so subtle changes due to wind, weather and erosion. Special areas where divers, swimmers, no-wake zones and areas where speed limits are in place also require visual indicators to warn boaters of potential hazards.

BuoysAndLights has years of combined experience in providing solutions for marking and identifying all types of marine hazards with a combination of specially marked or colored buoys, day beacons, signage, and marine nautical lights. We have supplied both government and private authorities worldwide with marine hazard marking solutions such as the ones shown below.

 

 
 

 

 

ISOLATED DANGER BUOYS

Isolated danger buoys are used to mark an isolated danger such as a submerged rock, shoal, or a wreck. These types of buoys are moored on or above the danger and has navigable water all around it. To be safe, boaters should stay well away from an isolated danger buoy. Consult the local chart for information concerning the danger (dimensions, depth, etc). This buoy is painted black with a horizontal red stripe midway up. If equipped with a light, it will be white in color and will operate on a flash cycle (giving two flashes every 4 seconds).

 

 
 

 

SPECIAL PURPOSE (HAZARD) MARKING BUOYS

The shapes of the following special purpose buoys have no special significance. They may be lettered but they are never numbered. Cautionary, scientific, and anchorage buoys may display a yellow "X" top-mark. If a special purpose buoy is equipped with a light, it must be yellow/amber in color.

 
 

 

 

HAZARD BUOY

A hazard buoy marks random hazards such as rocks, shoals and other submerged or partially submerged obstacles. This type of buoy is white in color and is marked with an orange diamond with two horizontal orange bands, one above the diamond and one below. Information concerning the hazard is indicated by a black symbol displayed inside the orange diamond. If it carries a light, the light must be yellow/amber in color and operate on a flash cycle, (F1) 4s, (i.e. flashing once every 4 seconds).

 
   

 

CAUTIONARY BUOY

Cautionary buoys are yellow in color and are used to mark traffic separations as well as dangers such as firing ranges, underwater pipelines, race courses, seaplane bases, underwater structures, and areas where no through channel exists. This type of buoy will also display identification letters. If it carries a top-mark, the mark must be a single yellow "X". If it carries a light, it will operate on a flash cycle, (F1) 4s, (i.e. flashing once every 4 seconds).

 
   

 

CONTROL BUOY

Control buoys are used to mark an area where a restriction has been placed on boating. The restriction may be a speed limit or a no-wake restriction. This type of buoy is white in color and has a hollow orange circle with two horizontal orange bands, one above the circle and one below. A black symbol displayed inside the orange circle will indicate the type of restriction that is in effect. If it carries a light, the light must be yellow/amber in color and operate on a flash cycle, (F1) 4s, (i.e. flashing once every 4 seconds).

 
   

 

KEEP OUT BUOY

A keep-out buoy is used to mark an area in which boats are prohibited. It is white in color and is marked with an orange diamond the interior points of which are joined by an orange cross. It also has two orange, horizontal bands, one above and one below the diamond-shaped symbol. If it carries a light, the light is yellow in color and operates on a flash cycle, (F1) 4s, (i.e. flashing once every 4 seconds).

 

 
 

HAZARD MARKING LIGHTS

Several models of our solar powered marine lights are currently being used for hazard marking applications. These lights can be used to mark hazards in fixed/stationary locations on land but are often mounted on buoys or other floating and/or partially submerged objects in the water. Click on the images for detailed information on each light.

 
   

 

MODEL 502

The 502 has solar power, advanced power management circuitry and super bright LED technology combined into an incredibly compact yet powerful unit with a range of up to 1 mile (1.8 km). It recharges during the day even under cloudy conditions and turns on/off automatically at dusk/dawn. Available in five color choices the next generation 502 is completely programmable with standard flash patterns including steady-on. Engineered and built to operate reliably for up to five years with zero maintenance, it's unique encapsulated polycarbonate/polymer design is so small it can be mounted anywhere.

 
   

 

 

 

MODEL 601

The 601 has proven itself around the world in all types of industrial, commercial and recreational hazard lighting applications. This solar powered  light is completely weather and waterproof requiring zero maintenance or servicing for up to five years. With a range of up to 2 miles (3.6 km) it is perfectly suited  for use on hazard markers and private and/or commercial worksites. Its unique fully encapsulated polycarbonate/polymer design is completely self-contained and like all of our solar powered lights installs quickly and easily using ordinary tools and only 3 screws or bolts. Available with optional tamper-proof fasteners.

 
 

 

 

 

MODEL 650

The M650 is the first self contained solar powered lantern to incorporate intelligent deployment location settings that allow the light to be tuned to its location, protecting it against improper configuration. Unprecedented reliability with a patented microprocessor energy management system that monitors the current environmental conditions and allows the light to automatically adjust for consistent operation and long life under the toughest conditions. All components are incorporated within a compact, stand-alone unit for easy deployment and relocation. A replaceable battery pack extends service life beyond five years.

 
 

 

    

 

MODEL 702-5

The 702-5 is the world's most technologically advanced self contained solar powered 3 mile (5.4 km) lantern. The reliable and rugged powder coated aluminium body not only has the standard four side mounted solar panels but is equipped with an additional  top mounted solar panel allowing the 702-5 to capture and store more of the sun's usable energy.  The 702-5 was originally intended for use in industrial and commercial applications but has become a popular choice for lighting high-end private waterfront properties, cottages, docks and marinas. As with all our lights, the 702-5 installs quickly and easily using ordinary tools and only 4 screws or bolts. Available with optional tamper-proof fasteners.

 
 

 

 

MODEL 704-5

The 704-5 is another outstanding model in our line of self contained solar powered LED  lanterns. This light has many of the proven reliable features including the rugged powder coated aluminium body, standard four side mounted solar panels and the additional  top mounted solar panel but what separates the 704-5 from the rest of the pack is the advanced optics enabling it to achieve a range of up to 4 miles (7.4 km). These lights also have a color coded mounting base for easy identification in regards to the color of the light. Originally developed for use by the US and Canadian Coast Guards this light is also well suited for lighting high-end private waterfront properties, marinas, industrial and commercial hazard marking.

 
 

 

 

 

 

MODEL 708

The 708 is the flagship model in the line of self contained solar powered LED lanterns. This light combines an advanced optical lens, high-efficiency solar modules and high-flux LEDs to deliver unparalleled performance with maximum visibility. Ideal for marking hazards in ports and harbours, the 708 has a minimum peak intensity of 125 candela and performance up to 6 nautical miles. As an environmentally friendly product, the 708 is entirely RoHS compliant, and is designed in strict accordance with the European Union's guidelines for the restriction of hazardous substances in electronic equipment. Durable construction and top-quality materials ensure years of reliable, maintenance-free performance in even the most extreme environments.

 
 

 

Other marker/hazard indicators that we can supply include command signs and warning signs, either mounted on a pole or buoy in the water or constructed onshore. Typical commands and warning signs that we have supplied in the past include:

  • No-anchorage area

  • Speed limit zone

  • Low-head dam hazard

  • Power line hazard

  • Pipeline hazard

Did you know:

Our solar powered lights are ideally suited for marking hazards on and around industrial and commercial worksites. The lights are available in a range of high visibility colors including yellow, amber, red, green, blue and white. The flash patterns are programmable to allow for different flash frequencies or steady on applications and some models can be synchronized to flash on time together. These features combined with a visible range from 1 up to 6 miles make these lights perfect for safety related hazard marking on any jobsite.

 

 
 

BuoysAndLights has years of combined experience supplying hazard marking solutions to harbour authorities, large and small marinas and both commercial and industrial customers worldwide. For more information on our hazard marking solutions or to discuss your marine navigation project requirements, please give us a call or contact us today for a free consultation.

 
 

 

 

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Email: info@buoysandlights.com

 

 
   Buoys and Lights Website Updated 2011  
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