Single Point/Swing Mooring Systems
Hazelett Marine offers completely customizable mooring systems designed to meet your specific needs. The Hazelett Conservation Elastic Mooring System is an advanced alternative over traditional block and chain moorings. From the anchor upwards, our system consists of galvanized hardware for attaching to the anchor or block, hard trawl floats to keep the components afloat, one or more elastic rodes, a spar buoy, and a stainless steel swivel.
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City of Burlington, Vermont, USA
Hazelett Elastic Moorings can increase mooring field density by about forty percent, since our mooring system can be installed with a scope as short as one-to-one instead of the three-to-one scope of the traditional ball and chain systems.
Mooring in twenty feet (six meters) of water requires sixty feet (eighteen meters) of chain (based on the three-to-one scope) with the traditional block and chain mooring system. That length of chain will have about 360 moving metal-to-metal connections that can wear and rust. The Hazelett Elastic Mooring has only one metal-to-metal connection at the anchor. Yearly inspections are simplified with the Hazelett Conservation Elastic Mooring System and fewer repairs/replacements are needed.
Shellfish and finfish need eelgrass for spawning and for protecting their young. However, traditional chain mooring systems destroy eelgrass and other aquatic vegetation when the chain rakes the bottom with the direction changes of winds and tides. With chain systems, water clarity is also diminished when the chain stirs up sediment, blocking precious sunlight to the plants. In contrast, the Hazelett Conservation Elastic Mooring System protects the sea bed because our elastic rodes are floated off the bottom. We have had many reports on the regrowth of eelgrass and the repopulation of lobsters and scallops within two years of replacing chain systems with our elastic system.
We recommend Helix anchors or concrete blocks for securing to our elastic rode(s) system. We stock a custom top termination fitting for 1 ½” (3.81cm) Helix anchor shafts, providing the easy connection of the elastic rode to a Helix anchor.
Instead of chain, our spar buoy or a mooring ball is connected to an anchor by Hazelett Elastic Rode(s). The rodes are manufactured of an advanced polyurethane elastomer blend, with polyethylene thimbles pressed into the ends. The design is based on over twenty years of research and development. All Hazelett Elastic Rodes are inspected, serialized, and load tested at our plant.
Hazelett Marine makes two types of spar buoys. The first type is made of 4″ (10.16cm) aluminum tubing with cast aluminum ends welded on. They can be ballasted with steel shot. They are recommended for use in fresh water only.
The second type is made of polyethylene. It is pre-ballasted with concrete and then filled with foam. This type of spar buoy has a pocket molded into the top that houses a stainless steel swivel, and it also has a tube through the center to allow a rope connection from the swivel to the elastic rode.
Our mooring systems can be left in year round, reducing costly winter removal and spring reinstallation. The spar buoy(s) also works as a “winter stick” that can slip under the ice. We recommend yearly inspections and replacement at 10 years under normal working conditions.
Mallets Bay Boat Club
Colchester, Vermont, USA
1-5 Tonne boats
6-15 Tonne boats
16-25 Tonne boats
26-35 Tonne boats
Inspection & Maintenance
The Hazelett elastic system has a 10-year life expectancy and requires minimal maintenance. Docks anchored with Hazelett elastics have uniform loads on the entire structure. Our single point systems reduce point loads and ensure boats stay pointed directly into the wind with a constant, gentle pull. While our mooring system requires minimal maintenance, we recommend the elastics be inspected on a yearly basis and after strong weather events such as hurricanes. Inspections should be conducted regularly by trusted and qualified mooring installers. If desired, we are partnered with quality inspectors who will be happy to travel to project sites to inspect moorings and guarantee the integrity of the mooring system(s).
Hazelett Marine strives to support our clients throughout the installation process. We value our customer relationships and strive to provide the best service possible. Hazelett recommends and can provide a professional, certified and experienced installer to be on-site to conduct or supervise installation. Hazelett installers can provide all necessary information and feedback to ensure a proper installation that will guarantee the structural integrity and reliability of the mooring system(s).
International PADI, Inc, California | March 2015
The Hazelett Elastic Mooring Rode offers a better solution. Because of its engineered ELASTICITY, it stretches out smoothly under the load of wind and sea, thereby eliminating the peak forces of a rigid chain rode. The Hazelett rode provides a new dimension in mooring systems – the dimension of elasticity. During storm conditions, this new dimension also protects against the effects of the sudden increases in water depth caused by storm surges or the impact of a break-away boat.
Bryan Gullan, Isle of Man | November 2017
The elasticity within the mooring set-up eliminated entirely the ‘snatch’ associated with chain moorings during heavy weather and helps the boat to maintain a very stable position over the mooring in rough conditions. The Hazelett system eliminates virtually all moving parts, so reducing wear on the majority of components.
RPS APASA PTY LTD, Australia | July 2014
Hazelett rodes maintain elasticity to absorb forces from strong winds and tides and preserves the integrity of the mooring system under severe storm conditions.
Massachusetts Division of Marine Fisheries, Massachusetts | February 2009
Seagrass loss associated with boat moorings at Rottnest Island, Western Australia.
BACI design reveals the decline of the seagrass Posidonia oceanica induced by anchoring.
Get In Touch
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Call: 802-399-2627 | Email: firstname.lastname@example.org