Anchoring - Top Marine
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We produce 4,500 m of floating pontoons each year
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In 20 years, we have become the leading provider of complete floating pontoon solutions in the Baltics and in the Nordic countries.

Anchoring

Introduction

There are three main ways to anchor pontoons:

  • chain mooring with concrete anchors;
  • pile mooring with mooring piles;
  • anchoring with mooring diagonals.

Chain mooring

Chain mooring scheme Andry Prodel +372 5304 4000 andry@topmarine.ee

In the Nordic ice conditions, the cheapest and most popular mooring way is to use a combination of concrete anchors and mooring chains. Only a sufficient water depth (1 m) and the right chain length (five times the water depth) are required.

Chain mooring is designed for securing the vessel horizontally, while retaining its ability to move up and down with water.

Anchors are designed as self-anchoring, and their mounting loops and reinforced concrete are resistant to seawater and to the strong hits from rocks and ice.

The size and quantity of anchors is selected based on the type of substrate and the size of the pontoon. You can increase the anchor’s force by adding extra weights that are attached to the middle of the chain.

Technical specifications

Extra weightWidth x length x height (mm)Mounting loops / mooring chain (mm)Using locations
50 kg extra weight400 x 400 x 17513As extra weight on a boat pontoon
200 kg extra weight600 x 600 x 31013As extra weight on timber pontoons with concrete floats
500 kg anchor900 x 900 x 27016 / 13–16Anchor for a swimming pontoon, boat pontoon and 40 l and 60 l mooring buoy
1,000 kg anchor1000 x 1200 x 3602 x 18 / 16Anchor for a boat pontoon, timber pontoons with concrete floats, and for 60 l and 120 l mooring buoys
2,000 kg anchor1200 x 2000 x 362 x 22 / 16–20Anchor for a timber pontoon with concrete floats and a 120 l mooring buoy

Pile guide

Pile mooring scheme Andry Prodel +372 5304 4000 andry@topmarine.ee

The pile guide can be successfully used in pontoons that are parallel to the shore and are located at low depths (max 2 m) and have a soft bottom.

Pile mooring is a very secure fastening option, but due to its rigid fixation, there is a great risk that ice will damage the floating pontoon and shifts the piles from their place. For this reason, the use of pile mooring is most common in southern Europe and other permanently warm areas.

In the Nordic countries, the piles must be dismantled every autumn and the pontoon has to be lifted out of the water. In the spring, the piles have to be installed again – this is the only way to prevent damage to the posts by ice.

Diagonal mooring

Diagonal mooring is used little, and in exceptional circumstances when the pontoon is very close to the shore and there is no room for chain mooring. The reason is that there is a risk of damage from ice in the winter, and the connections of the fastenings tend to rumble and squeak when moving around.

Price

Chain mooring set for heavy duty pontoons1 144 €
Concrete anchor (2000 kg)2 pc528 €
Chain (20 mm)30 m576 €
Shackle (25 mm)4 pcs40 €
Chain mooring set for timber pontoons with concrete floats644 €
Concrete anchor (1000 kg) 2 pc364 €
Chain (16 mm)20 m260 €
Shackle (20 mm)4 pcs20 €
Chain mooring set for boat pontoons357 €
Concrete anchor (500 kg) 2 pc210 €
Chain (13 mm) 15 m135 €
Shackle (16 mm) 4 pcs12 €
Chain mooring set for a swimming pontoon154 €
Concrete anchor (200 kg) 2 pc96 €
Chain (10 mm) 10 m50 €
Shackle (12 mm)4 pcs8 €
Pile guide
Pile guide for heavy duty pontoons907 €
Pile guide for timber pontoons with concrete float444 €
Pile guide for boat pontoons181 €
Pile guide for swimming pontoons118 €

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Andry Prodel
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