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Breakwater Pontoons for Marina Protection

The Breakwater Pontoons 3300 and 3800 from Marinetek are floating breakwater solutions used to protect marinas. They are made of reinforced concrete and designed to withstand harsh sea conditions. The pontoons can also be used as landing stages and bridges. They work best in attenuating waves under 18 meters in length. The pontoons feature flexible rubber and steel joints and can be moored with chains or synthetic mooring lines. They are available in various lengths and widths to suit different projects.

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69 views1 page

Breakwater Pontoons for Marina Protection

The Breakwater Pontoons 3300 and 3800 from Marinetek are floating breakwater solutions used to protect marinas. They are made of reinforced concrete and designed to withstand harsh sea conditions. The pontoons can also be used as landing stages and bridges. They work best in attenuating waves under 18 meters in length. The pontoons feature flexible rubber and steel joints and can be moored with chains or synthetic mooring lines. They are available in various lengths and widths to suit different projects.

Uploaded by

shunanlatheef
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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BREAKWATER M3316BR M3320BR M3816BR M3820BR

Breakwater Pontoons 3300, 3800


The Breakwater Pontoons 3300 and 3800 are popular and widely TECHNICAL DATA
used floating solutions to protect marinas. The pontoons are extremely
Concrete strength: 45 N/mm2 steel
strong and designed to endure all sea conditions. Due to their massive reinforced plastic fibre concrete
and stable construction these pontoons are also used as landing Exposure class according to
stages and overpass bridges. The Marinetek Breakwaters without keels European EN 206-1 standard

work best when the sea wave length is less than 18 m. The floats are Core: Expanded polystyrene,
density 15 kg/m3
connected by flexible rubber and steel joints. Mooring with chains or
Reinforcement: Partly or fully hot
Seaflex. dip galvanised or stainless steel
Optional accessories: Wooden
deck, fixing rails, cable ducts and
fenders (timber or plastic)

WAVE ATTENUATION CAPACITY


Sheltered sea conditions

W=10m/s W=15m/s
19kn 29kn

Ac W=20m/s F
(%) Hs,L 38kn (km)

100 Hs,L 5,0


Ac
90
80 Hs,L 4,0
FLOATS M3316BR M3320BR M3816BR M3820BR 70
60 3,0
Length (m) 16,05 19,90 16,05* 19,90* 3800
50
Width with fenders (m) 3,3 3,3 3,8 3,8 3300
40 2,0
Concrete width (m) 3,0 3,0 3,5 3,5
30
Height (m) 1,0 1,0 1,2 1,2 20 1,0
Weight (t) 20,9 26,0 31,5 39,2
Net capacity (kN/m²) 5,5 5,5 6,1 6,1
Freeboard (m) 0,55 0,55 0,61 0,61 0,3 0,5 0,7 0,9 1,1 Hs(m)

Strength of joint (kN) 2x703 2x703 2x812 2x812 55 10


10 15
15 20 L(m)

Joint gap (mm) 90 90 90 90 F=Effective fetch lenght W=Wind velocity


*3800 -series pontoons have middle rubber in joints L=Wave length Hs=Significant wave height
Ac=Wave attenuation capacity
Exact unit weight and freeboard are subjects to detailed
specification of the unit, equipment and mooring methods.

Marinetek operates a policy of continuous development and


reserves the right to change specifications without notice.
Modification date: 14.11.2014

MARINETEK GROUP

Vattuniemenkatu 3 TEL. +358  (0)9  682  4100


FI-00210 Helsinki FAX +358  (0)9  682  41030
www.marinetek.net EMAIL info@marinetek.net

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