defensas maritimas - complete flotation
TRANSCRIPT
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Flotation
Mooring Buoys 124-128
Navigation Buoys 129-141
Offshore Buoys 142-146
Subsurface Buoys 147-152
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Floating FendersFendering
We offer a best-in-class
solution to just about any
buoyancy requirement
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Drawings and picture references are for illustration purposes only.
Flotation
IntroductionWe offer a best-in-class solution to just about any surface or subsurface
buoyancy requirement from customers throughout the world. If we cannot
meet a requirement from our extensive range of off-the shelf products, weapply our experience and engineering expertise to design a new solution.
In addition, with the recent acquisition of a leading firm of naval architects,
we have now added mooring system design to our bespoke product
design capability.
Steel has been the material of choice for surface buoyancy applications
for many decades. We still offer steel buoys to those customers who prefer
them, as detailed overleaf.
However, for more than 20 years, there has been a shift away from the
significant capital and labour costs involved in building, deploying and
maintaining steel products. The growing preference is for modern,lightweight, low-maintenance forms of plastic buoyancy.
Within the Fendercare Marine group of companies, we have two
designers and manufacturers of plastic buoyancy, both serving a global
customer base.
Australian Commercial Marine (ACM) has a long-established and
market-leading range of mooring and navigational buoys manufactured
from rotationally-moulded polyethylene. They have harnessed a unique
foam sandwich variant of this technology, to offer buoys with outstanding
collision-absorption properties. Others may seek to emulate them, but
there is only one genuine range of ACM buoys.
Hippo Marine are a world-renowned UK-based manufacturer of
elastomer-type buoys, the same technology that they use in foam-filled
fendering solutions. This results in self-fendering surface buoys which are
specifically designed to absorb impacts without either suffering or causing
damage, making them the preferred choice for offshore operations.
We can also introduce Kevlar reinforcement into the elastomer skin of
the products to offer outstanding durability for heavy-duty work.
We have also recently developed a subsurface buoyancy capability in
a product line now being delivered to offshore and governmentalcustomers worldwide.
Our product range covers four main product areas as detailed overleaf
Mooring buoys
Navigational buoys
Offshore surface buoys
Subsurface flotation
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Drawings and picture references are for illustration purposes only.
Flotation Mooring Buoys
A3-10045 Fabricated Steel Admiralty
Pattern Mooring Buoy
Fabricated from 8 mm steel plate and constructed with
watertight compartments (2 for 5th & 6th Class and 4
for the remainder) each with manway and drain plug.
Admiralty pattern mooring buoys are finished with
rubber or timber fendering and life chains.
The central open hawse pipe, with reinforced collars
at each end, allows for a large diameter riser chain
to be lead through the buoy, ensuring all loads are
transmitted directly to the mooring itself and not
to the buoy.
Classification Diameter Length Diameter of Hawse Pipe Reserve
Buoyancy
Approximate
Mass
mm ft & in mm ft & in mm ft & in kg kg
6th Class 1140 39 1830 60 215 8 1/2 625 925
5th Class 1220 40 2130 70 215 8 1/2 1500 1000
4th Class 1680 56 2900 96 305 10 4250 1940
3rd Class 1980 66 3510 116 355 12 6500 4290
2nd Class 2290 76 4010 132 460 16 11500 4960
1st Class 2440 80 4470 148 460 16 15000 5890
Fabricated collar
top and bottom
Section through fabricated collar
Stiffener to shell plating
Stiffener to bulkhead
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Drawings and picture references are for illustration purposes only.
Flotation Mooring Buoys
SEA6000
A3-50004Seaclass Mooring Buoys
Construction Material
Rotationally moulded one piece seamless UV stable
polyethylene construction with reserve buoyancy of
closed cell polyurethane.
Life
Capable of 20 years plus.
Maintenance
Virtually maintenance and corrosion free thanks to the
properties of virgin polyethylene.
Range
Currently 10 models utilising modular construction and
independent tie bar system.
Strength
Unique foam sandwich moulding method provides
incredible strength compared to weight. Load tested
tie bars.
Friendly
Due to the lightweight construction method these
buoys are considered collision favourable compared to
other construction materials such as steel.
Adaptable
Unlike some other lightweight buoys, the ACM Seaclassrange offers the ability to add or weld on other features
such as a navigation light pedestal etc.
SEA80SEA170
SEA330
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Drawings and picture references are for illustration purposes only.
Flotation Mooring Buoys
A3-50004Seaclass Mooring Buoys
2000 kg 1000 kg
1700
980
A A B B
Top view
Section A-A
Solid filled
with closed
cell PU foamSection B-B
Top view
10001000 2000 2000
1000 2000 2000
1000 2000
1000 2000
1000
=3000kg
=4000kg
=5000kg
=6000kg
Length to suit configuration
Tiebar material HDG 6350 tested
2 x lock plates2 x 16 HDE Gr8.8 fasteners
50PL
95
500
125
60
Models:
SEA 80
SEA 170
SEA 330
SEA 1000
SEA 2000
SEA 3000
SEA 4000
SEA 5000
SEA 6000
SEA 1000 & SEA 2000 modular mooring buoy
configurations
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Drawings and picture references are for illustration purposes only.
Flotation Mooring Buoys
A3-30004 Yacht Mooring Buoy
Hippo yacht mooring buoys are manufactured from a
moulded core of closed cell foam covered in protective
polyurethane elastomer. This makes them virtually
unsinkable, even after suffering severe damage.
The standard range of SB mooring buoys (SB1 SB7) are
recommended for fore and aft mooring systems.
The standard range of SB soft mooring buoys (SB1S
SB5S) are recommended for single buoy mooring
systems. They are identical in construction to the SB
range except for the use of a exible closed-cell foam
which allows greater impact absorption.
Product RefDiameter
(mm)
Height
(mm)
Weight
(kg)
Total
Buoyancy (kg)
Chain
Capacity (kg)
Chain
Size (mm)
SB1A 610 915 15 240 180 19
SB1 610 610 11 150 114 19
SB2 610 460 9 110 85 19
SB3 610 305 7.5 75 50 19
The mooring system has a positive
connection to the ground chain or
sinker, which is similar to that usedfor commercial crafts
Pick-up Buoy
Swivel
Box Shackle
Galvanising
Steel Top Plate
Mooring Buoy
Long link galvanised
chain which goes
through centre of
buoy if riser chain
is incorrect size
Joining Shackle
Riser Chain
Riser chain isterminated ontop of the buoywhich allows
direct connectionto mooring strop
Product RefDiameter
(mm)
Height
(mm)
Weight
(kg)
Total
Buoyancy (kg)
Chain
Capacity (kg)
Chain
Size (mm)
SB1S 675 645 16 204 157 19
SB2S 675 495 14 150 114 19
SB3S 675 340 10 110 85 19
Chain Size kg/metre
11mm 7/16 3
13mm 1/2 4
16mm 5/8 6
19mm 3/4 8
22mm 7/8 10
25mm 1 13
An optional SB pickup with a large loop handle can
be attached. This makes the retrieval of the strop easy.
Mooring load formula
H x 1.5 x kg/metre up to 2 Knots
H x 2 x kg/metre 2 to 4 Knots
Please ask above 4 Knots
SB Soft Mooring Buoys
SB Mooring Buoys
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Flotation Mooring Buoys
A3-30001 Commercial Mooring Buoy
Hippo Marines self-fendering commercial mooring
buoys are in service with vessel and terminal operators
worldwide and used by everything from small RIBs up
to cruise ships and supertankers.
Both types of buoy can be supplied in chain-through,
pad-eye or handling crucifix configurations and with
integrated radar reflectors. The cylindrical-type buoys
can also, if required, be fitted with quick release hooks
and lanterns.
The table below reflects what we have designated as
our standard ranges of chain-through buoys, but most
of the buoys we supply are tailored in some way to suit
a customers specific requirements.
Product RefDiameter
(mm)
Buoyancy
Unit Height (mm)
Total
Weight (kg)
Nett
Buoyancy (kg)
MCMB-00300 1000 460 42 300
MCMB-00500 1260 460 55 500
MCMB-01000 1450 700 135 1000
MCMB-02000 1900 1050 500 2000
MCMB-03000 2200 1100 550 3000
MCMB-05000 2750 1200 1150 5000
MCMB-08000 3100 1480 1800 8000
MCMB-15000 3550 2050 3000 15000MCMB-20000 4100 2100 4850 20000
MCMB-25000 4000 2500 4050 25000
Product RefDiameter
(mm)
Buoyancy
Unit Height (mm)
Total
Weight (kg)
Nett
Buoyancy (kg)
MCBB-01000 1050 1500 225 1000
MCBB-02000 1250 2100 415 2000
MCBB-03000 1520 2100 575 3000
MCBB-05000 1650 2900 1100 5000
MCBB-08000 1970 3150 1400 8000
MCBB-15000 2400 4100 2550 15000
MCBB-20000 2700 4150 3200 20000
MCBB-25000 2750 5100 4350 25000
MCBB-30000 2750 5900 4700 30000
Barrel Buoys - Chain-through
Cylindrical Mooring Buoys - Chain-through
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Drawings and picture references are for illustration purposes only.
Flotation Navigation Buoys
A3-50000Guardian 5000
Construction Material
Rotationally moulded seamless UV stabilised virgin
polyethylene and choice of stainless steel or
galvanised steel.
Buoy Life
Up to 20 years.
Maintenance
Virtually maintenance free for life due to
manufacturing process.
Value
The most cost effective due to low upfront outlay
and virtually no maintenance expense.
Weather
Built to withstand cyclonic/hurricane conditions in
locations such as, Bass Straight, Gulf of Mexico and
Northern Australia.
Flexibility
Adaptable design enabling customised applications.
Science
Soft riding performance suits scientific instruments/data
collection and telemetry delivery.
Re-deployment
Adjustable ballasting system means multiple locations
for the same buoy.
Choice of IALA
Configured top marks
Self contained solar
powered LED lantern
Stainless steel
lifting lugs
All IALA approved
colour combinations
Adjustable ballast
Foam filled for
reserve buoyancy
2 x Heavy duty anodes for
corrosion protection
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Drawings and picture references are for illustration purposes only.
Flotation Navigation Buoys
Internal (or external)
Radar Reflector
Aluminium Access Ladder
Mid Frame
(Galv. or S/S)
Lifting Lugs
Internal Web Frame
(Galv. or S/S) joins both
buoyancy modules
Ballast
Weights
M24 Grade
8.8 Galv Bolts
Access Hatch for
Accessories, Etc.
850
2400
2500
1200
100NB Sch40
Pipe
400
Boarding
Grab Rail
152 Aluminium
Internal Support
FocalPlane
5300t
o6
000
Buoy top adaptor
Personnel Safety Restraint
ELEVATION
Guardian 5000 Technical
Construction UV stabilised foam sandwich polyethylene to average thickness (hull) 24mm
Colours All IALA approved colour combinations for Cardinal and Lateral navigation marks
Diameter 2500
Focal plane height 5300-6000
Draft 2400
Freeboard 400
Mass (dry weight) varies with ballast Approximately 1100kg
Reserve buoyancy Closed cell polyurethane
A3-50000 Guardian 5000
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Drawings and picture references are for illustration purposes only.
Flotation Navigation Buoys
A3-50001Guardian Navigation Buoys
Construction Material
Rotationally moulded UV stabilised polyethylene.
Unique foam sandwich construction provides
exceptionally high strength to weight ratio.
Buoy Life
Up to 20 years.
Maintenance
Virtually maintenance free for life due to
manufacturing process.
Value
The most cost effective due to low upfront outlay
and virtually no maintenance expense.
Weather
Guardian buoys are currently withstanding cyclone/
hurricane conditions in locations such as, Bass Straight,
Gulf of Mexico and Northern Australia.
Flexibility
Adaptable design enabling customised applications.
Science
Soft riding performance suits scientific instruments/data
collection and telemetry delivery.
Re-deployment
Adjustable ballasting system means multiple locations
for the same buoy.
Choice of IALAConfigured top
marks
Self contained solar
powered LED lantern
All IALA approvedcolour combinations
Safety handrail
Adjustable ballast
Foam filled for
reserve buoyancy
Stainless steel
lifting lugs
Anode for cathodic
protection
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Drawings and picture references are for illustration purposes only.
Flotation Navigation Buoys
A3-50001Guardian Navigation Buoys
Guardian Navigation Buoys TechnicalConstruction UV stabilised foam sandwich polyethylene to average thickness (hull) 24mm
Colours All IALA approved colour combinations, colour fast for life of buoy
Diameter All models 1,750mm / 69 inches
Focal plane heightSB and EB 2,500mm / 98.5 inches
EB Hiviz 3,300mm / 130 inches
DraftSB 1,350mm / 53 inches
EB 1,650mm / 65 inches
Freeboard All models 305mm / 12 inches
Mass (dry weight) varies with ballastSB 545kg / 1,201lbs
EB 590kg / 1,300lbs
Reserve buoyancy Closed cell polyurethane 30kg/M2
EB
WL 305 305
1350
2500 2500
3300
305
16501650
EBH-V
SB
SBStandard Buoyancy EBExtra Buoyancy EB H-VExtra Buoyancy, High Visibility
Specifications subject to change without prior notice due to
continuing technical development
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Drawings and picture references are for illustration purposes only.
Flotation Navigation Buoys
A3-50002Seaspar Meridian and
Meridian Plus
Lightweight and dependable marks for a multitude of
applications.
Construction Material
Rotationally moulded seamless UV stabilised
polyethylene.
Life
Up to 20 years.
Maintenance
Virtually maintenance free for life due to the nature of
the manufacturing materials.Flexibility
Adaptable design enabling customised applications.
Science
Soft riding performance suits scientific instruments/
data collection and telemetry delivery.
Re-deployment
Adjustable ballasting system of removable ballast
plates means multiple locations for the same buoy.
Value
Very cost effective due to low upfront outlay and
virtually no maintenance expenses.
Weather
Meridian buoys are currently withstanding cyclone
conditions in locations such as Bass Straight and
Northern Australia.
Graphics
Triangular top section provides 3 flat surfaces for
graphics and signage.
Anode for cathodic
protection
Removableballast plates
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Drawings and picture references are for illustration purposes only.
Flotation Navigation Buoys
A3-50002Seaspar Meridian and
Meridian Plus
Guardian 5000 Technical
Construction Rotationally moulded UV stabilised virgin polyethylene
Colour All IALA approved colour combinations for Cardinal and Lateral navigation marks
Overall height Both models 3562mm
MassMeridian 112kg
Meridian Plus 152kg
BuoyancyMeridian 130kg
Meridian Plus 260kg
Focal Plane Both models 2000mm
Draft Both models 1560mm
Specifications subject to change without prior notice due to
continuing technical development
SO L I D F I LL EDW I T H
CLOSE D C ELLPU F OAM
M10 threaded holes
175
PCD
220
250
20PL200
3
25
Ballast plate
Mild steel (hot dip galvanised)
Meridian PlusMeridian40
512
3050
3562
Buoy top bolting pattern
34 hole34 hole
650
Solid filled
with closed
cell PU foam
Solid filled
with closed
cell PU foam
Holes
to suit
M16
bolt1175
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Drawings and picture references are for illustration purposes only.
Flotation Navigation Buoys
A1000
A3-50003Tri Nav A1000
Lightweight and dependable marks for a multitude
of applications.
Construction Material
Rotationally moulded seamless UV stabilised virgin
polyethylene.
Life
Up to 20 years.
Maintenance
Virtually maintenance free for life due to the nature of
the manufacturing materials.
Value
Very cost effective due to low upfront outlay and
virtually no maintenance expenses.
Weather
Tri Nav buoys are currently withstanding cyclone
conditions in locations such as Bass Straight and
Northern Australia.
Graphics
Triangular top section provides 3 flat surfaces for
attachment of graphics or signage.
Guardian 5000 Technical
ConstructionRotationally moulded UV stabilised
virgin polyethylene
Overall h eight A1000 1320mm
Mass 26.5kg
Buoyancy 17kg
Focal Plane 1000mm
Draft A1000 270mm
Specifications subject to change without prior notice due to
continuing technical development
A1000 top view
595
100
A1000
1340
FocalPlane
1000+
595
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Drawings and picture references are for illustration purposes only.
Flotation Navigation Buoys
A3-30005 Hippo Lite and Super-Lite Buoys
Whether configured as navigational marks in
accordance with IALA guidelines, or fitted out as
databuoys, the largest buoys in the Hippo family offer
outstanding durability and stability and are in service
in some of the most challenging environments on
the planet.
These buoys are fully modular, and the superstructure
is engineered to both minimise windage and to accept
large equipment packages.
The flexibility of our technology allows to adopt a blank
page approach with users who are looking to achieve a
step change in the efficiency of their buoy operations or
to incorporate very specific design features.
Table of dimensions overleaf.
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Drawings and picture references are for illustration purposes only.
Flotation Navigation Buoys
Hippo-Lite/1.5 Hippo-Lite/1.8
Diameter 1500mm 1800mm
Draught 1000mm 1100mm
Freeboard 200mm 300mm
Focal Plane (When Lit) 2300mm 2400mm
Displacement 17kg/cm 25kg/cm
Weight (Without Ballast) 540kg 650kg
Recommended Moorings 19/25/32mm
Max Weight: 160kg
25/32mm
Max Weight: 350kg
Sinker (Cast Iron) 1000kg 1000kg
Recommended Operation Minor Channels and Harbours Major Channels and Part Open Sea
Hippo-Lite/2.0 Hippo Super-Lite/1.8
Diameter 2000mm 2200mmDraught 1200mm 2500mm
Freeboard 400mm 500mm
Focal Plane (When Lit) 2500mm 3000mm
Displacement 31kg/cm 38kg/cm
Weight (Without Ballast) 750kg 1400kg
Recommended Moorings 25/32mm
Max Weight: 930kg
32mm
Max Weight: 1000kg
Sinker (Cast Iron) 1500 kg 2500kg
Recommended Operation Major Channels and Part Open Sea Major Channels and Open Sea
Hippo-Lite/2.5 Hippo Super-Lite/3.0
Diameter 2500mm 3000mmDraught 2500mm 2500mm
Freeboard 500mm 500mm
Focal Plane (When Lit) 3000mm 3000mm
Displacement 49kg/cm 71kg/cm
Weight (Without Ballast) 1450kg 1600kg
Recommended Moorings 32mm
Max Weight: 1400kg
32mm
Max Weight: 2400kg
Sinker (Cast Iron) 2500kg 2500kg
Recommended Operation Major Channels and Part Open Sea Major Channels and Open Sea
A3-30005 Hippo Lite and Super-Lite Buoys
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Drawings and picture references are for illustration purposes only.
Flotation Navigation Buoys
Hippo Marker Buoys
Hippo offers a range of small, cost-effective marker
buoys for sheltered or shallow-water locations. These
are made of the same self-fendering materials as our
range of larger navigational aids, and are generally
supplied with cost-effective self-contained lanterns.
Product RefDiameter
(mm)
Overall Height
(mm)
Total Weight
(kg)
Focal Plane
(mm)
Max Chain
Capacity (kg)
Max Chain
Size (mm)
MMB-0800 800 1200 45 935 150 19
MMB-1000 1000 1925 85 1170 140 25
MMB-1200 1200 1925 95 1190 225 25
MMB-1500 1500 1925 150 1190 350 25
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Drawings and picture references are for illustration purposes only.
Flotation Navigation Buoys
Hippo Seamless Buoys
Configured for use with new-generation self-contained
lanterns, the Seamless range offers the same
self-fendering construction as other Hippo buoys but
at lower price levels due to the single-piece
construction, the simplified superstructure and the
optimisation for shipping.
Container Buoy
Seamless
1.2
Seamless
1.6
Seamless
1.8
Seamless
2.0
Seamless
2.1
Seamless
2.4
Diameter (mm) 1200 1600 1800 2000 2075 2400
Draught (mm) 760-925 800-900 750-950 725-925 1160-1400 1125-1400
Freeboard (With no Moorings
Attached) (mm)465 450 470 500 640 675
Freeboard (With 200kg
Moorings Attached) (mm)288 300 300 300 400 400
Focalplane (When Lit) (mm) 1645-1855 1640-1850 2100-2200 2140-2340 2950-3190 2950-3225
Displacement (kg/cm) 11.3 20.1 25.4 31.4 33.8 45.3
Approximate Weight (kg) 200 350 400 500 1300 1550
Maximum Mooring Weight (kg) 200 350 500 600 900 1200
Recommended Chain Size (mm) 19-28 19-32 19-32 19-32 32-38 32-38
Recommended Sinker
(Cast Iron) (kg)750 1000 1000 1250 2500 2500
Recommended Operational
Conditions
Minor Channels
& Harbours
Minor Channels
& Harbours
Minor Channels
& Harbours
Minor Channels
& Harbours
Major Channels
& Open Sea
Major Channels
& Open Sea
Seamless Navigation Buoy
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Flotation Navigation Buoys
General Specifications 2.1m Container & 2.4m Flatrack Seamless Buoys
These two larger members of the Seamless family have been designed for long-distance transportation at minimum cost
Hull Both hull and skirt incorporated in a one-piece construction
Daymark / Superstructure Lightweight composite structure
Built-in ladder on 2 sides
Powder coated aluminium daymarks where required
Safety Hoop
Mounting plate to take a variety of self-contained LED lantern types
Steel Skirt / Lifting Configuration Skirt arrangement
Supplied with bridle mooring eyes
Supplied with 2x lifting eyes
Hot dip galvanised mild steel
Supplied with replaceable mooring eye wearing bushes
Options Echomax EM305 radar reflector
Powder coated aluminium plate type topmark assembly
Fully light stable aliphatic elastomer coating
Anti-bacterial coating to reduce marine growth
Adjustable ballast to suit shallow water or lightweight mooring systems
General Specifications 1.2m, 1.6m, 1.8m and 2.0m Seamless Buoy
Hull / Daymark Both hull and daymark incorporated in a one-piece construction
Steelspine One-piece construction integrated into the buoy design
Baffle tail configuration complete with fork lift slots to aid quayside handling
Supplied with both bridle and single point mooring eyes
Supplied with 2x lifting eyes
Supplied with flange to take a variety of self-contained LED lantern types
Hot dip galvanised mild steel
Supplied with replaceable mooring eye wearing bushes
Options Echomax EM180 radar reflector
Powder coated aluminium plate type topmark assembly
Fully light stable aliphatic elastomer coating
Anti-bacterial coating to reduce marine growth
Common Specifications
Hull Manufactured from a core of thermolaminated closed-cell polyethylene foam encapsulated in a
self-colour tough yet flexible polyurethane elastomer skin. The hulls of these buoys are lightweight
and self-fendering, yet extremely durable and virtually unsinkable. They come as standard with a
non-slip deck.
Light System Configured to take a variety of self-contained LED light systems.
Hippo Seamless Buoys
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Flotation Navigation Buoys
10.5m Minor Light Tower
Hippo GRP Minor Light Towers
Tower Reference Height (m)
MLT 5.5 5.5
MLT 7.0 7.0
MLT 8.5 8.5
MLT 10.0 10.0
MLT 13.0 13.2
MLT 15.0 15.0
Hippo Marine manufacture a range of Minor Light
Towers that are constructed using modular sections to
enable easy transportation to
and erection at remote locations.
These towers have the following features:
Hippo Marines GRP towers are of modular construction
manufactured with a UV Stabilised Isophthalic gelcoat and
resin, with a minimum thickness of 8mm, requiring little
maintenance.
A range of tower heights available up to 15m.
The towers are locally reinforced by way of the flanges to
produce a design of immense strength, allowing them to
withstand gale force winds.
Access to the door section is via an external ladder. The
ladder is removable to minimise theft or vandalism. Access
to the lantern is via an internal ladder at the top. The top
platform is fitted with guard rails to enable safe access to
the lantern for maintenance purposes.
The towers can be fitted with stainless steel frames to sup-
port solar panels.
Each tower is supplied complete with Lifting Davit kit for
on-site assembly.
The batteries can be stowed either at door level or at
ground level within the cone section.
Colours are in accordance with IALA marking standards.
Towers have been certified to withstand winds of up to 56metres per second (125mph).
A comprehensive range of lighting systems is available.
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Drawings and picture references are for illustration purposes only.
Flotation Offshore Buoys
A3-30002 Chain Support Buoy
Our standard range of chain support buoys goes from
a reserve buoyancy of 900kg up to 5500kg but our
exible production process allows us to manufacture
products to suit our customers exact buoyancy
requirements. We can supply these buoys congured
with swivel eyes top and bottom, or with a chain-
through/locking plate arrangement. We also offer pick-
up buoys with up to 750kg of reserve buoyancy.
Swivel-ended Type Chain-through Type
Three chainstop options
Table of dimensions overleaf.
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Drawings and picture references are for illustration purposes only.
Flotation Offshore Buoys
TypeNominal Dimensions Nominal
Weight
(Kg)
NettBuoyancy
(Kg)
NettBuoyancy
(lbs)
A
(Float Len)
(mm)
B
(Overall Len)
(mm)
C
(Float Dia)
(mm)
HCSB-0900 1500 2120 1020 210 900 1980
HCSB-1815 1500 2120 1350 285 1815 3993
HCSB-2000 2000 2620 1250 330 2000 4400
HCSB-2270 2000 2620 1310 340 2270 4994
HCSB-2500 2000 2620 1370 355 2500 5500
HCSB-2750 2000 2620 1430 365 2750 6050
HCSB-3000 2000 2620 1485 375 3000 6600
HCSB-3630 2000 2620 1620 415 3630 7986
HCSB-4540 2000 2620 1810 485 4540 9988
HCSB-5454 2000 2620 1980 550 5454 11999
Type
Nominal DimensionsNominal
Weight
(Kg)
Nett
Buoyancy
(Kg)
Nett
Buoyancy
(lbs)
A
(Float Len)
(mm)
B
(Overall Len)
(mm)
C
(Float Dia)
(mm)
HCSBT-1360 1550 2096 1300 440 1360 2992
HCSBT-1815 2000 2546 1300 480 1815 3993
HCSBT-2000 2000 2546 1340 520 2000 4400
HCSBT-2270 2000 2546 1400 535 2270 4994
HCSBT-2500 2000 2546 1450 550 2500 5500
HCSBT-2750 2000 2546 1520 585 2750 6050
HCSBT-3000 2000 2546 1590 600 3000 6600
HCSBT-3630 2000 2546 1705 630 3630 7986
HCSBT-4540 2100 2646 1850 750 4540 9988
HCSBT-5400 2350 2890 1950 800 5400 11880
Type
Nominal DimensionsNominal
Weight
(Kg)
Nett
Buoyancy
(Kg)
Nett
Buoyancy
(lbs)
A
(Float Len)
(mm)
B
(Overall Len)
(mm)
C
(Float Dia)
(mm)
HPU-0100 660 860 660 25 100 220
HPU-0250 850 1460 880 70 250 550
HPU-0300 910 1514 940 80 300 660
HPU-0400 990 1580 1020 100 400 880
HPU-0500 1017 1620 1050 95 500 1100
HPU-0750 1190 1794 1220 130 750 1650
Swivel-ended Type
Pick-up Buoys
Chain-through Type
A3-30002 Chain Support Buoy
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Drawings and picture references are for illustration purposes only.
Flotation Offshore Buoys
Product RefDiameter
(mm)
Overall Length
(mm)
No. of
Modules
Total
Weight (kg)
Nett
Buoyancy (kg)
APMD-05000 1900 2830 2 1750 5000
APMD-10000 2350 3450 2 2690 10000
APMD-15000 2475 4600 2 3840 15000
Modular Donut-Type Anchor Buoy
Product RefWidth
(mm)
Depth
(mm)
Overall
Height (mm)
Total
Weight (kg)
Nett
Buoyancy (kg)
APBM-30000 2500 2500 7800 6000 30000
APBM-45000 3150 3150 7800 7200 45000
APBM-54000 3280 3280 8100 8000 54000
Modular Stacking Pendant Buoys
A3-30003 Anchor Pendant Buoy
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Drawings and picture references are for illustration purposes only.
Flotation Offshore Buoys
Other Offshore Flotation and Protection
Besides the ranges of commonly-requested buoys
listed within this section, we do also design and
manufacture a complete range of floats for hoses,
pipes, ropes and many other applications.
For rope use, we have single and double hawser
designs, all manufactured from the same combination
of extremely durable, high-visibility, self-fendering
materials as our ranges of buoys and fenders, and
which can easily be tailored to guarantee a specific
amount of buoyancy.
Within the hose market, we are able to offer floating
Y-pieces and reducers in either standard or bespoke
configurations. We also design and supply hose floats.
For pipeline installation work, we offer pipelaying
flotation modules, on which more detail can be found
in the sub-surface buoyancy section of
this publication.
And in response to an FPSO operator off West Africa
who brought us the problem of his offloading hose
getting damaged when coming into contact with riser
chain, we developed a moulded protection system
which we are now supplying to others looking to
minimise hose casualties and related downtime.
Floating Y-Piece
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Drawings and picture references are for illustration purposes only.
Flotation Subsurface Buoys
The MaterialsAs with surface buoyancy, there are two application
dependent material parameters to sub-surface buoyancy:
The foam material which forms the core of the product
The external coating material
Based upon the use to which our products are being
put, and the depths to which they need to be rated, we
select from a number of possible material combinations
to ensure maximum product life and integrity at
minimum cost.
FoamsFor shallower depths, we are typically offering either
high-density polyethylene foam or expanded polymer
foam. The significant benefit which both these foams
offer over the polyurethane foam, which most other
manufacturers will offer for these depths, is that the
foams we offer are of a closed cell nature. This means
that if the outer skin of a Hippo shallow water buoy is
breached, our customers can be assured that the result
will not be a rapid and catastrophic absorption of water
followed by failure of the product.
For deepwater applications, we are formulating and
processing our own pure syntactic foam into which we
will then generally introduce moulded macrospheres to
reduce the weight and the ultimate cost of the product.
Subsurface Flotation Materials Overview
External Coatings
There are 3 main material possibilities for encapsulatingthe core of Hippo subsurface buoys:
Polyurethane Elastomer is a highly abrasion-resistant,
reinforceable coating which we can either spray-apply or
cast around the foam core. For ultimate durability, this
form of coating can be Kevlar reinforced.
Rotationally-Moulded Polyethylene is a cheaper and more
uniform method of mass-producing a protective shell for
the foam core in applications where the resilience and
flexibility of PU elastomer is not required.
PU Paint is mainly used in applications where the core
material is resilient in itself but requires some level of
protection from UV degradation.
ApplicationsThe primary product applications for these materials are:
Pipeline installation buoys
Modsyn top-up buoys, general subsea installation buoys
Transponder collars
Modular subsea buoys
Distributed buoyancy modules
Submersible/ROV/AUV buoyancy systems
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Drawings and picture references are for illustration purposes only.
Flotation Subsurface Buoys
Our combination of subsea materials technology and
processes allows us to design and supply products for
many other subsurface applications.
These can be as simple as the pictured transponder
collar. However, the projects we get involved in can
also be as detailed as the consulting, design and
manufacturing we were engaged to perform for the
most complex sets of submersible buoyancy ever
produced, also pictured.
Other areas to which we are applying, or have applied
our expertise, include combined jumper/umbilical
flotation and protection and distributed/riser buoyancy.
For the vast majority of work of this type, there are no
specification tables which we can provide to arrange
standard data into a neat format. This is all about
our customers bringing us their subsea design and
operational challenges and working with us to develop
a technically robust and cost-effective solution to those
challenges in which respect we act as an extension oftheir own engineering capabilities.
So the service which we are proposing here is the
application of our materials, our experience and our
expertise to assist our customers in finding the best
possible outcomes to their subsea headaches. We
welcome such headaches, and the opportunity to show
our customers how we can solve them for you.
Other Subsurface Flotation
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Drawings and picture references are for illustration purposes only.
Flotation Subsurface Buoys
Modsyn top-up buoys, general
subsea installation buoys
Manufactured from the same syntactic foam formulations
as our ranges of larger subsea buoys, Modsyn is the perfect
solution when small, configurable amounts of buoyancy
are required for cable or umbilical support, as ROV trim
buoyancy or as a general-purpose installation tool.
Modsyn does offer a number of operational advantages
over alternative products available in the market:
Easily lashed via the central through-hole
Multiple units can be configured together via two other
lateral through-holes
Flat-sided for easy storage on land and easy use on deck.
Product RefDepth Rating
(m)
Nett Buoyancy
(kg)
Total Weight
(kg)
Number Of
Modules
Diameter
(mm)
Height
(mm)
MODSYN-S1-0250 250 39 24 1 500 410
MODSYN-S1-0500 500 38 25 1 500 410
MODSYN-S1-1000 1000 36 27 1 500 410MODSYN-S1-2000 2000 29 34 1 500 410
MODSYN-S1-3000 3000 23 40 1 500 410
MODSYN-S2-0250 250 70 52 2 500 820
MODSYN-S2-0500 500 68 54 2 500 820
MODSYN-S2-1000 1000 64 58 2 500 820
MODSYN-S2-2000 2000 50 72 2 500 820
MODSYN-S2-3000 3000 38 84 2 500 820
MODSYN-S3-0250 250 105 78 3 500 1230
MODSYN-S3-0500 500 102 81 3 500 1230
MODSYN-S3-1000 1000 96 87 3 500 1230
MODSYN-S3-2000 2000 75 108 3 500 1230
MODSYN-S3-3000 3000 57 126 3 500 1230
Modsyn
General Purpose Installation BuoyWe are also able to produce general purpose subsea installation
buoys per customer requirements, as in this example of a
lashed-on design favoured by one of our customers.
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Drawings and picture references are for illustration purposes only.
Flotation Subsurface Buoys
Modular Subsea Buoys
Wherever there is a requirement to safely moor a
floating offshore structure, it is highly likely that the
mooring system will comprise one or more subsea
mooring buoys.
The principle of these buoys is that the flotation
modules are mounted onto a through-member made
from steel. This steelwork, configured and rated in
accordance with customer requirement, integrates
structurally within the rest of the mooring system,
leaving the flotation units unstressed.
The nature of these modular buoys is that the number
of modules can be adjusted to meet a specific buoyancy
requirement, and also that any damaged module can bereplaced in isolation.
This range of buoys offers net buoyancy from 500kg
to 20t, at depth ratings from 250m down to 3000m.
Bespoke buoys can also be manufactured in larger or
smaller sizes.
The matrix showing all possible combinations of
modules, depth ratings and resulting net buoyancies
would be massive. Underneath you will find line
drawings and basic dimensions of the Mini, Standard,
Large and Maxi ranges. Tell us how much buoyancy youwill require, and to what depth it needs to be rated, and
we will quote you the most cost-effective way to meet
that requirement from amongst these options.
Large / Maxi Modular Buoy
Standard Modular Buoy
Mini Modular Buoy
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