*Note: All wave heights indicated above areestimated Hs

Coal Harbour Marina,Vancouver, BC, CanadaTYPE: Steel waler, fenced heavy dutyUnifloat®WIDTH: 14 feetAPPROX. WAVE HEIGHT: 4 feetBUILT: 1997

Centennial Harbor Marina,Fort Myers, FLTYPE: 1275’ caisson attenuator, pilesupportedWIDTH: 11 feetAPPROX. WAVE HEIGHT: 2.5 feetBUILT: 1998

Clipper Yacht Harbor,Boothbay, METYPE: Steel waler system, singlefenced heavy duty Unifloat®WIDTH: 14 feetAPPROX. WAVE HEIGHT:3 feetBUILT: 1998

Signal Point Marina,Boothbay, METYPE: Heavy duty caisson attenuatorwith Parallam walersWIDTH: 10 feetAPPROX. WAVE HEIGHT: 3.3 feetBUILT: 2002

Norfolk Yacht and CountryClub, Norfolk, VATYPE: Heavy duty caisson attenuatorWIDTH: 10 feetAPPROX. WAVE HEIGHT: 2.3 feetBUILT: 2003

Marina Cabo San Lucas,Cabo San Lucas, MexicoTYPE: Heavy duty caisson attenuatorwith double Glu-lam walersWIDTH: 12 feetAPPROX. WAVE HEIGHT: 2.5 feetBUILT: 2004

Charleston City Marina,Charleston, SCTYPE: Heavy duty caisson attenuatorwith Glu-lam walersWIDTH: 22 feetAPPROX. WAVE HEIGHT: 3.5 feetBUILT: 2001

Bellingham Marine Industries, Inc.Corporate HeadquartersPost Office Box 8Bellingham, WA 982271001 'C' StreetBellingham, WA 98225360 676-2800FAX 360 734-2417bmi@bellingham-marine.comwww.bellingham-marine.com

Locations of Bellingham Marineoffices to serve you:

United States:Bellingham, WashingtonFerndale, WashingtonDixon, CaliforniaJacksonville, FloridaYork, Pennsylvania

Worldwide:Auckland, New ZealandBrisbane, AustraliaPort Melbourne, AustraliaSydney, AustraliaKauala Lumpur, MalaysiaNewcastle Upon Tyne, EnglandBarcelona, SpainSaint-Jorioz, FranceMilan, ItalyCabo San Lucas, Mexico

International Licensees:Tokyo, JapanSharjah, UAE

UNIFLOAT®, UNISTACK®, andUNIDECK® are registeredtrademarks of Bellingham MarineIndustries, Inc.

Copyright 2006 Bellingham MarineIndustries, Inc.

Wave AttenuatorInstallationsThis represents a selection of our clients.

Port Orchard Marina,Port Orchard, WATYPE: Caisson attenuator, post-tensionedWIDTH: 10 feetAPPROX. WAVE HEIGHT: 4 feetBUILT: 1974

Port of Brownsville,Brownsville, WATYPE: Caisson attenuator, post-tensionedWIDTH: two units – one 16 feetwide and one 18 feet wideAPPROX. WAVE HEIGHT: 4 to 5 feetBUILT: 1981

S. Downtown WaterfrontDevelopment,Portland, ORTYPE: Caisson attenuator, post-tensionedWIDTH: 16 feetAPPROX. WAVE HEIGHT: 3 feetBUILT: 1984

Fernandina WaveAttenuator, FernandinaBeach, FLTYPE: Heavy duty caissonattenuator with double walersWIDTH: 13.5 feetAPPROX. WAVE HEIGHT: 4 feetBUILT: 1986

Elliott Bay Marina,Seattle, WATYPE: Heavy duty caisson attenuatorwith double walers and wave fencesWIDTH: 13.5 feetAPPROX. WAVE HEIGHT: 3 to 4 feetBUILT: 1992

Willow Berm Marina,Isleton, CATYPE: Heavy duty Unifloat®WIDTH: 12 feetAPPROX. WAVE HEIGHT: 3 feetBUILT: 1995

Lake Park Municipal Marina,Lake Park, FLTYPE: Heavy duty caisson attenuatorwith Glu-lam walersWIDTH: 10 feetAPPROX. WAVE HEIGHT: 3.25 feetBUILT: 2004

Bayswater AucklandHarbour, New ZealandTYPE: Waveguard and heavy dutycaissonWIDTH: 4.0 metersWAVE HEIGHT: 750 meters to 900 metersBUILT: 1996

Opua, Bay Of Islands,New ZealandTYPE: Heavy duty skirted pontoonsWIDTH: 4.0 metersWAVE HEIGHT: 1.0 metersBUILT: 1999

Port Du Sud,Noumea, New CaledoniaTYPE: Standard caisson pontoonsWIDTH: 4.0 metersWAVE HEIGHT: 1 meterBUILT: 2005

Blairgowrie Yacht Squadron,Victoria, AustraliaTYPE: Heavy duty skirted pontoons“I” beam steel walersWIDTH: 4.5 metersWAVE HEIGHT: 1.0 meterBUILT: 2001

St. George Motor Boat Club,New South Wales, AustraliaTYPE: Heavy duty skirted pontoonsWIDTH: 4.2 metersWAVE HEIGHT: 760 metersBUILT: 2002

Royal Brighton Yacht Club,Victoria, AustraliaTYPE: Heavy duty skirted pontoons“I” beam steel walersWIDTH: 4.5 metersWAVE HEIGHT: 1.3 metersBUILT: 2002

Church Point Ferry Landing,New South Wales, AustraliaTYPE: Heavy Duty Skirted Pontoonswith hardwood walersWIDTH: 6.3 metersAPPROX. WAVE HEIGHT: 1,000 metersBUILT: 2005

Wave Attenuator Systems

Precision engineered flotation systems

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Precision engineered flotation systems

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Innovative harborand waterfront solutions

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What is a Wave Attenuator?A wave attenuator is a floating devicedesigned to greatly reduce wave energyfrom the exposed side to the protectedside. Wave attenuators help createcomfortable moorage conditions,protecting against natural, wind-bornewaves and boat or ship wakes.

Fixed structures, such as rubble moundbreakwaters and sea walls, are high incost and may have negative effects onthe environment. In many cases, theyare impractical due to water depth andother factors. For all these and otherreasons, the floating wave attenuator isthe perfect answer for many marinas.

Wave DynamicsWaves are measured by height, lengthand period (see diagram). Engineersare interested in the average of thehighest 1% (H1) and/or the average ofthe highest 1/3 (Hs) of the waves duringa design storm event. Height and periodare determinators of the energy to bemanaged, and wave length is also animportant consideration in the design.

Determining wave effects in a basin orharbor is not a simple matter. Waveseffects accumulate, and may reflect, orbounce off, nearby land masses andstructures. In addition, waves changetheir dynamics as they impact shallowwater. Waves can also defract, whichis to say they can bend around cornersto some extent. Mass, breadth, depthand configuration are design factorsimportant to developing an effectivewave attenuator.

The Right Solution for Your MarinaWith site-specific design, BellinghamMarine is able to offer the right waveattenuator for your situation. That is whyyour system will not under-perform norwill it wastefully cost too much becauseit is overbuilt for the purpose.

Wave attenuators from BellinghamMarine serve many dual-purpose

functions, such asvisitor docks, fueldocks, and otheruses. Whilespeciallydesigned,particularly belowthe water, theyare similar inappearance to

other floats in the marinas they protect.They require no special maintenanceprocedures, contributing to the low costof ownership.

Our wave attenuators are designedespecially for your marina by the mostexperienced engineering experts in theworld in this discipline. The superiorperformance of our Unifloat® WaveAttenuators in every kind of applicationis your assurance of quality, durabilityand effectiveness.

Boaters in marinas around theworld are enjoying comfortableconditions in their slips thanksto a Bellingham MarineWave Attenuator.

As with anything to do withweather phenomenon, the studyand practice of controlling theenergy in waves did not lend itselfto simple and elegant mathematicalunderstanding. It is an art and ascience that is gradually, over time,becoming better understood.

The process of quantifying waveattenuation dynamics started inearnest more than 25 years ago, whenthe U.S. Army Corps of Engineersturned to Bellingham Marine to makethe prototype wave attenuators for anew study. From that effort the firstpractical empirical test data began tobe collected.

From that beginning, BellinghamMarine has continued its collaborationwith the leading engineers in the field.Together we were able to build onthat body of knowledge and developthe most durable and effectivewave attenuator systems in theworld. Today, Bellingham MarineWave Attenuators are ceaselesslyat work from Alaska to Australia andfrom Maine to Florida with animpeccable record for durabilityand cost-effective results.

When planning and engineering waveattenuation, there is no substitute forexperience. Wave attenuation by cost-effective flotation devices has had only

a quarter of a century of practical andtheoretical experience. By contrast,the science of seismic engineering –protecting buildings from earthquakedamage – is approaching 100 yearsold and new information is learned inevery significant earthquake.

No other company has the engineeringresources and the comprehensiveknowledge of marina design andconstruction to compare withBellingham Marine. We designyour wave attenuator through aprocess called Site-SpecificEngineering, and our record is proofof its value.

Our wave attenuators are not one-size-fits-all products. We employmarine engineering, meteorology,geology, basin and river ecology andstructural and civil engineering toengineer a system to exactly fit yourneeds, your desired risk levels, andyour budget. And we help you getthrough the arduous permittingprocess always attendant toshoreline development.

UNIFLOAT ® Wave AttenuationSystems from Bellingham Marine

From The Leading Designers And Builders OfWave Attenuators In The World

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Site-Specific EngineeringWind, wave and topography are analyzed todetermine the optimum design for each site. In thisexample from Vancouver, Canada, a specialrequirement for a three-part system presented aunique challenge. By careful analysis of the harborand weather patterns, Bellingham Marine developeda solution in which the individual segments areangled to the weather and act as a unit.

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