Construction Phase Services • Environmental Consulting • Geographic Information Systems

Water Resources • Surveying • High Definition Scanning • Signal Coordination & Timing

Municipal Engineering • Civil Engineering Design • Transportation Engineering

We will foster the success of our

clients and staff by providing

quality professional services in an

ethical and collaborative

environment. We will strive to

deliver our services with

professionalism, integrity,

dedication and vision for the

benefit of our clients, the public

and our company.

Mission Statement

Our mission is to Foster the Success of Our Clients.

Founded in 1981, Gewalt HamiltonAssociates, Inc. (GHA) offers a diverserange of professional engineering,surveying, planning, environmental andgeographic information services. We arecommitted to providing superior clientservice with professionalism, integrity,dedication and vision – every project,every client, every time.

This commitment, combined with ourability to find and retain talented staff,allows us to develop and maintain long-term positive relationships with bothour clients and regulatory officials. GHA represents a diverse group ofclients that include municipalities,county and state agencies, schooldistricts, hospitals, community colleges,park districts, senior care facilities,commercial and residential developers.

In an industry rapidly evolving withcontinuous technological advances anda renewed commitment to sustainability,GHA strives to remain at the forefront.We excel at complex assignments thatrequire both engineering expertise andproblem solving creativity. We aredriven to produce innovative designsthat balance project function, economicsand environmental sustainability whilemeeting regulatory requirements andclient needs.

Allow us to foster your success.

� Municipal Engineering

� Civil Engineering Design

� Transportation Engineering

� Signal Coordination & Timing

� Construction Phase Services

� Water Resources

� Environmental Consulting

� Surveying

� High Definition Scanning

� Geographic Information Systems

GHA’s professional service capabilities include:

Company Profile

Public agencies of all sizes face abalancing act as the publicdemands an ever-increasing scopeof services and limited budgetsavailable to provide these services.Finding this balance requiresexperience and expertise to ensurethat the public health, safety andwelfare are protected in a fiscallyresponsible manner.

Gewalt Hamilton Associates, Inc.concentrates more than half of its professional practice in thepublic sector, teaming withmunicipalities, county and stateagencies, transportation agencies,storm water commissions, schooldistricts and park districts. We areparticularly aware of the sensitivenature of public projects, planningissues and the need to maintain apositive relationship with localresidents and businesses.

GHA currently serves as municipalengineer for a number of Chicagoarea municipalities and as aconsultant to over 40 additionalcommunities. Our wide range ofservices allows communities tobenefit from the resources of afull-service engineering firm,without having to fund theseservices on a full-time basis.

� Roadway Design, Maintenance and Rehabilitation

� Storm Water Conveyance Systems

� Waste Water Collection and Transmission

� Water Distribution

� Public Works Operations

� Geographic Information Systems (GIS)

� Planning and Zoning Consultation

� Subdivision and Site Development Plan Review

� Easement and Plat Preparation and Review

� Project Bidding and Contract Administration

� Construction Phase Services

� Land Surveys

� Pavement Inventory Analysis

� Engineering Phase I Studies

� Engineering Phase II Design

� Grant Opportunities

� Environmental Consulting

GHA’s municipal service capabilities include:

Lake Street Bridge, Libertyville, IL

Municipal Engineering

GHA’s civil engineering design services include:

Site development in today’s marketrequires a comprehensiveunderstanding of many differentfactors. Parking and site circulation,storm water management, zoning,site grading, utilities and trafficimpacts are just a few of theelements that must be carefullyintegrated to optimize the use of adevelopment site.

Gewalt Hamilton Associates, Inc. is experienced in all phases of sitedevelopment, from topographicsurveys, site design, constructiondocument preparation throughconstruction phase services. Our project experience includesschools, parks, athletic facilities,hospitals, skilled care facilities,municipal buildings, commercialdevelopments, corporate offices and residential subdivisions.

GHA’s team approach to site design is a seamless and efficientcoordination with the owner,project architect and contractorsfrom concept through construction.Our relationships with federal, stateand local agencies help securenecessary permits on time. GHAprovides innovative cost-effectiveprofessional services during everyphase of site design.

� Site Due Diligence

� Boundary and Topographic Surveys

� Site Planning

� LEED Certified Site Planning

� Preliminary Engineering

� Traffic Access and Circulation

� Public Presentation and Hearings

� Storm Water Management

� Utility Relocation and Design

� Final Engineering

� Permit Acquisition

� Construction Layout

� Construction Phase Services

� Record Drawings Preparation

� Sustainable Design

Barrington HS Stadium, Barrington, IL

Civil Engineering Design

Project related traffic impactscan be a major source ofcontention and additionalcosts for any project. A clearunderstanding of existingtraffic conditions, accuratefuture projections andfamiliarity with requiredimprovements are vitalelements to landdevelopment.

Gewalt Hamilton Associates,Inc. has extensive resourcesand experience intransportation engineering,traffic planning, traffic signaldesign and signal systemsoptimization for both publicand private sectors. Whetherconducting traffic studies,designing intersectionimprovements, coordinatingand optimizing traffic signaloperations, or reviewing these elements on behalf of public agencies, we havethe expertise to provide a complete range oftransportation engineeringservices.

The foundation for any trafficstudy is a clear understandingof existing conditions. GHAhas the largest inventory of passive magnetic sensortraffic counters in the UnitedStates and a full staff of trafficdata collection personnel toconduct traffic counts forstate, county, local andprivate development projects.

GHA’s transportation engineering services include:

� Traffic Data Collection

� Traffic Impact Studies

� Intersection Design Studies

� Street and Roadway Corridor Studies

� Intersection Improvements and Roadway Design

� Traffic Signal Design

� Signal Coordination and Timing (SCAT)

� Traffic Modeling

� Roadway Lighting

� Comprehensive Transportation Plans

� Parking Lot and Internal Circulation Plans

� Traffic Routing and Drive Time Studies

� Safety Studies

� Expert Testimony at Public Hearings and Court Cases

� Bicycle Path Planning and Design

� Engineering Phase I Studies

� Engineering Phase II Design

IL Route 19 and IL Route 59, Streamwood, IL

Transportation Engineering

GHA’s construction phase services include:

� Construction Layout Services

� Pre-construction Meetings

� Resident Engineering

� Construction Observation

� Engineering Phase III Services

� NPDES Compliance Monitoring

� Construction Progress Reports

� Daily and Weekly Field Reports

� Shop Drawing Review

� Review of Contractor Payment Requests

� Final Inspections

� Record Drawings Preparation

� Assistance with Final Acceptance and Approvals

With increased attention on theimpact of construction sites onthe public as well as rapidlyincreasing material and laborcosts, the importance of effectiveconstruction phase services hasnever been greater. A poorlymanaged construction site canresult in environmental impacts,fines, negative publicity,increased costs and lengthydelays.

Gewalt Hamilton Associates, Inc.field technicians work closelywith municipalities, residents,business owners and contractorsto help keep projects on time,within budget and phased in amanner to create the leastamount of disruption to dailyoperations.

Our construction phase servicesare provided by licensedprofessional engineers, degreedprofessionals and technicianswith a wealth of experience in alltypes of public and private siteconstruction.

IL Route 22 Watermain, Lincolnshire, IL

Construction Phase Services

GHA’s water resources services include:

For nearly every project, thecompeting concerns of sitedrainage, offsite impacts,and preservation of waterquality must all beaddressed in compliancewith overlapping andsometimes conflictingfederal, state and localregulations.

Gewalt Hamilton Associates,Inc. staff are thoroughlyfamiliar with therequirements of the variousChicago-area county stormwater ordinances, andregularly preparedocumentation and permitsubmittals meeting therequirements of the IEPA,the US Army Corps ofEngineers, the MetropolitanWater Reclamation Districtof Greater Chicago, FEMA,local drainage districts andother jurisdictional agencies.

Our engineering staffcombines design expertisewith thorough regulatoryunderstanding to provideour clients with superiorwater resources solutions.Our strategies combineproven storm watermanagement approacheswith innovative naturalizedsystems to both reducestorm water runoff volumeand enhance downstreamwater quality.

� Location Drainage Studies and Drainage Investigations

� Hydrologic and Hydraulic Studies

� Base Flood Elevation (BFE) Determinations

� FEMA Letters of Map Revision and Elevation Certificates

� Storm Water and Floodplain Ordinance Development andEnforcement

� Storm Sewer Maintenance and Rehabilitation

� Streambank Restoration

� Storm Water Conveyance and Detention Design

� Rain Garden Design

� Permeable Pavement Design

� Best Management Practices Design

� Storm Water Pollution Prevention Plan Preparation & Review

� Storm Water Management Program Preparation

� Compliance Monitoring

� Municipal Separate Storm Sewer System Compliance

� Sustainable Design

Water Resources

Sherman Hospital Geothermal Lake, Elgin, IL

Historically, there have beenlarge-scale efforts to drainwetlands for landdevelopment or flood themfor use as recreational lakes.The focus now is onpreserving the naturalfunctions of wetlands,including water storage,energy dissipation, nutrientcycling, particle retentionand wildlife habitat.

Our environmental staffworks closely with civildesign and water resourcesteams to incorporatesustainable design elementsthat minimize the impact ofdevelopment on theenvironment.

Gewalt HamiltonAssociates, Inc. helps clientsunderstand and abide bythe often complicated rangeof federal, state and localregulations relating towetlands andenvironmentally sensitiveareas. We consistentlyproduce designs thatbalance project functionand economics with naturalresource preservation,increasing project appeal toboth the public andregulatory agencies.

GHA’s environmental consulting services include:

� Best Management Practices Design

� Rain Garden Design

� Natural Area Restoration Design, Management and Monitoring

� Storm Water Pollution Prevention Plan Preparation and Review

� Wetland Delineation, Permitting and Mitigation Design

� Municipal Environmental Consulting and Wetland Review

� NPDES Compliance Monitoring

� Soil Erosion and Sediment Control Inspections

� Streambank Stabilization

� Municipal Separate Storm Sewer System Compliance

� IDOT/FHWA Phase I Environmental Studies

� Sustainable Design

� Threatened and Endangered Species Consultation

� Grant Submittals

Environmental Consulting

Vehe Farm, Deer Park, IL

GHA’s surveying services include:

Gewalt Hamilton Associates,Inc. balances its wide rangeof civil, traffic andmunicipal engineeringcapabilities with professionalland surveying services. Oursurveying team utilizes state-of-the-art equipment,including Global PositioningSystems (GPS) and RoboticTotal Stations, the mostefficient and cost-effectivesystems for delivering timely,accurate results.

GHA has integrated HighDefinition Scanning (HDS)technology to our surveyingcapabilities to capture a 360-degree field of data in 3-dimensional coordinateswith 2mm accuracy,providing unsurpassedprecision and projectcontrol for even the mostcomplex or difficult tomeasure locations andstructures. HDS technologyprovides surveyors acomprehensive range offlexibility, allowing for use ina virtually limitless numberof applications. We arecontinuously expanding oursurveying operations toinclude a diverse spectrumof services to both the publicand private sector.

� Boundary and ALTA Surveys

� Topographic Surveys

� Stream and Hydrographic Surveys

� Horizontal and Vertical Control Surveys

� Surveying Support to GIS Data Collection Activities

� Construction Layout

� Preparation and Review of Legal Descriptions

� Land Acquisition Surveys

� Subdivision and Easement Plat Preparation

� High Definition Scanning

• Historic Preservation and Restoration

• Highways, Bridges and Railroads

• Mechanical, Electrical and HVAC

• Surveys of Difficult or Dangerous Areas

• Building Façades

• Accident Investigation

• Insurance Documentation

High Definition Scan of St. Gerard Church, Buffalo, NY

Surveying

Gewalt Hamilton Associates,Inc. provides a full range ofGIS services for municipal,transportation andeducational agencies,utilizing industry-standardsoftware.

The information gatheredand developed during theengineering design process isoften provided only withinthe engineering plans anddrawings. These are oftenavailable only as hard copyand eventually archived ordestroyed. At GHA, however,GIS and engineering designstaff work together to ensureseamless transition of datainto and out of theengineering drawings,allowing the valuable surveyand design data to beincorporated directly to ourclient’s GIS, reducing theexpense and effort of GISupdates to reflect newimprovements.

GHA also uses state-of-theart handheld GlobalPositioning System (GPS)equipment for efficient andaccurate data collection forasset mapping, as well asInternet Mapping Softwareand servers to provide ourclients with an efficientplatform for distribution ofGIS data and applications.

GHA’s GIS capabilities include:

� GPS Asset and Facility Location

� Infrastructure Mapping

� Jurisdictional Boundary Mapping (School District, Fire District)

� Web Based Mapping

� Document Archive and Retrieval Systems

� Database Design and Maintenance

� Vehicle Tracking and Fleet Management

� Internet Mapping Service and Website Development

� Pavement Inventory and Data Collection

Water Systems Atlas

Geographic Information Systems

CORPORATE

850 Forest Edge DriveVernon Hills, IL 60061

TEL 847.478.9700 FAX 847.478.9701

820 Lakeside Drive, Suite 5Gurnee, IL 60031

TEL 847.855.1100 FAX 847.855.1115

www.gha-engineers.com