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Geomatic and information technolo

AirEwas A Foce Base HyperspectralAcquisition & Analysis o 300 square-mile area or

vegetation analysis o sensitive species habitats

Toy/Lbby, MT High resolution orthoimagery

basemap utilizing digital sensor technology to

support EPA Superund site remediation

Coloao Bueau of La Maagemet LiDAR Acquisition, DTM and contour mapping or

hydrologic modeling and wetlands analysis

WATErUSACE Shore-to-shore marine geophysical surveys

including side-scan sonar, magnetometer, sub-bottom profles, and seismic reraction or Superund

site cleanup in New Bedord Harbor, MA

Seattle Cty Lght Multibeam sonar and laser

scanner surveys o 9 river miles or BoundaryDam relicensing in British Columbia

Castle a Cooke Port condition survey,

multibeam and vessel-mounted laser scan or windarm construction easibility study in Lanai, HI

LAndCty of Tacoma Publc Utltes fnal design

survey services or the installation o a 60-inch

water transmission line covering 31 miles

WA dOT provided survey and mapping

services or this $220 million reeway and

HOV expansion project in Everett, WA

Mcosoft Copoato established a GPScontrol network or a large scale mapping project

or the Microsot campuses in Redmond, WA

dESKTOPCty of Sa dego, CA Stormwater program

& GIS support or NPDES regulations

USACE Sacameto dstct Six-county aquaticresources GIS inventory to establish rating o the

ecological and unctional quality o water bodies

geomatics@tetratech.com

3746 Mt. Diablo Blvd., Ste 300

Lafayette, CA 94549

+1 (925) 283-3771

400 112th Ave NE, Ste 400

Bellevue, WA 98004

+1 (425) 635-1000

19803 North Creek Parkway

Bothell, WA 98011

+1 (425) 482-7600

Geomatics Services Ofces

Corporate Headquarters

3475 East Foothill Boulevard Pasadena, CA 91107-6024 Phone: +1 (626) 351-4664 Fax: +1 (626) 351-2591

Utilizing industry leadi ng technology, Tetra Tech strives or technical excellence in each endeavor. Our strength is in collectively

providing integrated services to deliver the best solutions to meet our clients needs, as shown in these project examples.

Mapping the Earth from the Air, Land, Water and De

Mapping the Earth from the Air, Land, Water and Desktop

Company FaCts

Annual revenue:$2.3 billion (FY2009)

NASDAQ Symbol:TTEK

Approximately 10,000employees

Geographic reach:280 ofces worldwide

For moreinormation, go to:www.tetratech.com

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AEriAL SUrVEY

Photogrammetric Mapping

High Resolution Orthoimagery

Light Detecting and Ranging (L

Multi and Hyperspectral Data A

Satellite Imagery Sales and Ima

LAnd SUrVEY

Design Mapping

Geodetic Control

Topographic and Construction

Boundary and ROW

Legal Descriptions

Easements and TCEs

Settlement Monitoring

Global Positioning Systems

Robotic Total Stations

3D Laser Scanning

HYdrOGrAPHiC SUrVEY

Bathymetric Surveying

2D Laser Scanning

Current Monitoring

Magnetometer Surveying

Side-scan Sonar Surveying

dATA AnALYSiS & ViSUA

Geographic Inormation System

Metadata Development

Data Conversion

CAD and GIS Integration

Geodatabase Design

Sotware Development and Dat

Linear Routing and Decision Su

Predictive Modeling

2D, 3D, and 4D Visualization an

Cartographic Design and Outpu

Data Integrity Sound decisionsrequire accurate data. Tetra Tech

employees are certiied proessionals

in all disciplines o survey and

mapping, ensuring that your project

data can be used with conidence.

Data Integration Tetra Techclients rely on our multi-discipline

guidance with data usion; merging

datasets o varying data types,

ormats, sources and accuracies is an

inherent challenge in our industry.

Analysis We dont just produceand deliver products, we help you

interpret greater meaning rom your

data by producing derived datasets

and developing analytical tools.

Lifecycle Data Tetra Tech oersanalysis, website design, and

visualization services that acilitate

improved communication and

data management throughout

the lie o your project.

BEnEFiTS OF inTEGrATEd SOLUTiOnS

GPSZ

Xy

Z

Xy

IMU

Swath angle180

Swath angle80

Acrosstrack foot print

Systemoverlap

Individual beamsmake up swaths

(over 500 beams)Sonar rotated 30to port and starboard

Geodetic Control Networks,RTK, GPS

Ground surveys

Sonar scansshoreline belowwater

LiDARscansshoreline above water

RTK GPS, inertial positioning,and full motion compensation

Vessel mounted LiDARDigital cameras

(5 frames per/sec)

Aerial Digital Camera:simultaneous 4-bandcollection & highresolution imagery.

Hyperspectral Technology:analysis of VNIR& SWIRdatacubes.

Airborne LiDAR:High density collectionwith pulse rates up to200k/sec.

Opposing flight lineswith 50%slide lapreduces lasershadowing.

GEOMATiC And inFOrMATiOn TECHnOLOGiES

With a ull suite o survey services rom the air, land, water, and desktop, Tetra Tech geomatic and inormation technology proessionals provide

solutions or land and resource management, civil and environmental engineering, utilities, military installations, government agencies, loodplain

management, oil & gas, A/E/C and land surveying industr ies. We utilize the latest technologically adva nced tools and a robust IT inrastructure

to produce accurate, quality data. Our multi-discipli ne team works to understand how data will be used, stored, and accessed so that we can

provide tailored consultation on the integration o new data with legacy data, image interpretation, and data analysis, and long-term management.

Tetra Tech is your ull-service partner throughout the lie o your data.