Buildings and Facilities
As a full-service consulting engineering firm, we offer the convenience of one firm for all your facilities and information technology (IT) needs. This includes complete planning, design, renovation and restoration, construction-related, and administration...
Civil, Structural, Architectural
We are a comprehensive resource for civil, structural, and architectural services for building and facilities projects. Our experience includes plan development, design, and bid and construction-related services for both public-and private-sector clients.
Services ...
Mechanical Engineering
Our mechanical, refrigeration, plumbing, and fire protection team has expertise in new designs, modifications, renovations, and upgrades. Our experienced staff provide solutions that will enhance performance and minimize energy costs.
Our system ...
Electrical Engineering
Our electrical staff has the expertise to handle today’s complex electrical needs. We can assist with needs ranging from energy evaluation, system plan development and design, to bid and construction-related assistance, for both private- and public-sector cl...
Civic/Community
Our firm has experience with the design of a variety of civic and community structures, including public works, municipal buildings, vehicle storage facilities, utility administration, and park shelters.
Our design team features:
Full-service...
Commercial
We provide engineering and architectural plan development and design services for commercial office buildings, retail, and recreational facilities. Our projects include build-outs, modifications of existing facilities, and new building development.
Our...
Electrical Power
Our team of engineers has the expertise to provide comprehensive solutions to today’s complex electrical needs. Our staff experience includes industrial, commercial, and municipal system designs that strive to exceeds our clients’ expectations.
Our des...
Emergency Services
We provide engineering and architectural plan development and design services for police, fire, and emergency medical services (EMS) departments and agencies. Our projects include greenfield facilities, existing station renovations, and historic building...
Food and Beverage Facility Services
Food and beverage facilities require a diverse team of skilled, industry-seasoned professionals experienced in facility, plant utilities, and power systems to support manufacturing needs. We provide solutions to minimize plant disruptions, provide production...
Information Technology
Information management and security continue to become more important as we expand our digital use and storage of data. Our team of information technology specialists provide the expertise needed to stay current related to network and security system ...
Manufacturing
We provide architectural and engineering services for manufacturing facilities throughout the country. Our design team features all architectural and engineering disciplines in-house to provide a well-coordinated approach for projects. Projects include...
Refrigeration
Refrigeration systems are typically complex cooling systems designed for large industrial or commercial operations. These systems require an experienced team of professionals to plan, design, and implement additions or modifications. Our team provides ...
SCADA
We provide plan development, design, and implementation services for Supervisory Control and Data Acquisition (SCADA) systems.
Services included:
Evaluating existing systems for improvement or replacement.
Developing complete system specifications...
Green Infrastructure Solutions
Our Green Infrastructure Solutions group draws from all of our areas of expertise — wastewater, stormwater, municipal, transportation, water supply, and buildings and facilities — to provide specialized services that meet the continually evolving needs ...
Asset Management
We provide a variety of asset management services to assist clients in the critical task of effectively managing green infrastructure assets within the constraints of fiscal budgets. We help clients develop programs that anticipate potential infrastructure...
BMP Design
Our Green Infrastructure Solutions group has extensive expertise in all aspects of sustainable stormwater controls and green infrastructure best management practices (BMPs). Areas of expertise include:
Rain gardens.
Porous pavements.
Bioretention...
CSO/SSO Abatement
Across the country, municipalities are facing incredibly high costs to reduce their combined sewer overflows (CSOs) and sanitary sewer overflows (SSOs). We provide a wide range of services to assist clients with CSO and SSO compliance, such as consent...
Energy Use
Reducing energy consumption and incorporating energy efficient and renewable energy technologies in existing or proposed facilities is like putting money back in our client’s pockets. We consider and identify practical and measurable green facility d...
Green Buildings - LEED
Our green infrastructure services include full service design of green buildings and facilities that incorporate state-of-the-art features aimed at creating more sustainable spaces. Our designs have incorporated elements such as geothermal heating and...
ISI Envision
We serve our clients with excellent engineering by delivering long-lasting, resilient, and sustainable infrastructure that solve their problems and meet their project goals. The same is true in providing excellent engineering for our environment. Protecting...
MS4 Compliance
As national stormwater regulations continue to impose more stringent water quality requirements, we have assisted our clients with cost-effective permit compliance strategies. Our MS4 compliance services have included permit negotiations, development...
Transportation
Sustainable transport systems are becoming increasingly important initiatives in transportation on local, regional, and national levels. Transport systems have significant impacts on the environment, accounting for nearly 25 percent of the world’s energy c...
Stream Restoration
One of our firm’s many specialties is combatting erosion and providing flood relief through naturalized stream restoration design. In many cases, the waterway is experiencing hydromodification issues because of upstream urban development, requiring a...
Sustainable Planning
We have distinguished ourselves as national leaders in sustainable planning, particularly as it relates to regional master planning efforts targeting issues such as combined sewer overflow reduction, stormwater management, transportation networks, and...
Watershed Management
Watershed planning is the foundation for the successful management of any stormwater program, whether small or large. Our expertise in regional watershed planning includes hydrologic and hydraulic modeling of watersheds of various sizes, urban and rural...
Municipal / General Civil
As municipal engineers, our firm’s involvement with local governments varies with the needs of each community. For many, we serve as the designated city, town, or village engineer providing comprehensive engineering services, including attending public m...
Asset Management
We provide a variety of asset management services to assist clients with the most critical challenge of effectively managing infrastructure assets within the financial constraints of program budgets. Proactive asset management is cost-effective and replaces...
Financial Assistance
We are able to assist communities with capital improvement planning and in the selection of financing methods. We are familiar with state and federal grant programs and often assist in applications for grants, developing reports, preliminary cost estimates,...
Geographic Information Systems
Geographic Information Systems (GIS) and computerized mapping focus on two broad arenas. The first, manages facilities and records. It links databases such as tax records, water billing addresses, sewer locations, and other types of infrastructure records...
Local Streets and Streetscapes
We regularly assist clients with redevelopment and urban renewal of existing downtown corridors and city streetscapes. As a full-service engineering firm, we can address diverse engineering needs and serve clients during all phases of project development,...
Land and Site Development
Our firm has a Land Development Division devoted exclusively to providing services for development projects. Since 1968, we have provided a full-range of services specifically related to land development, zoning assistance, land use planning, landscape...
Sanitary Sewer and Pumping
We have a broad background in engineering services for wastewater conveyance systems and pumping stations. Our experience includes projects involving extension and/or reinforcement of existing collection systems, as well as complete planning, design,...
Stormwater
We understand that comprehensive stormwater management involves analyzing, planning, designing, and implementing. This requires an understanding of the nature and effectiveness of the variety of methods to convey and treat stormwater.
By virtue of...
Stormwater Utilities
We recognize that no matter how effective a potential stormwater management solution may be, if it cannot be funded, it cannot be built. We have experience with a number of available potential funding sources, including creation of stormwater utilities.
Many...
Wetlands
We have performed wetland permitting and design services since 1989 and have provided wetland delineation, mitigation, restoration, and construction and stream restoration services since 1993. Much of this work involves delineating and assessing impacted...
Transportation / Aviation
Our transportation services include planning, designing, and administering construction of local streets and rural highways, major urban arterials, U.S. and state highways, tollways, and the interstate system. Services on these projects have involved ...
Aviation
Our Aviation services include plan development, design, and construction management for more than 50 General Aviation (GA) airports. We are experienced in applying FAA and state DOT guidelines in accomplishing GA airport improvements. Since the 1970s, ...
Pavement Rehabilitation
Proper airfield pavement rehabilitation is a process that involves budget availability, materials testing, alternatives analysis, detailed specifications, and construction management. Our firm has designed pavement rehabilitation improvements for more ...
Airport Planning
Our firm has led and prepared several Airport Development Plan (ADP) reports, wherein we provide airport owners airport management tools and detailed guidance for airport infrastructure development for typical 10-15 year periods. These reports have mirrored...
Facility Extensions / Expansions
Runway and parallel taxiway extensions, as well as apron expansions, are made primarily based on aircraft demand. Our firm has designed these infrastructure improvements for aircraft ranging from 12,500-pound single wheel to 90,000-pound dual-wheel loadings,...
Hangars and Fuel Farms
Revenue-producing infrastructure development greatly assists airport owners in providing long-term cash flows. These constant revenues aid airport owners in solidifying local political support for their airports and help fund needed future pavement rehabilitation...
Lighting Improvements
Typical GA airport lighting includes rotating beacons, lit wind cones, edge/threshold lighting, guide signs, approach lighting, electrical vaults/equipment, security lighting, backup generators, and LED lighting (when appropriate to reduce maintenance...
Asset Management
We provide a variety of asset management services to assist clients in the critical task of effectively managing transportation infrastructure assets within the constraints of fiscal budgets. We help clients develop programs that anticipate potential...
Bridges and Structures
We provide plan development, design, and construction services for bridges. After an in-depth inspection, anticipated costs have often justified rehabilitation over replacement. This option saves money and often can extend the life of the structure a...
Bike and Pedestrian Facilities
Bike and pedestrian paths are often accommodated as part of our road projects and are increasingly becoming popular as stand-alone projects. These facilities accommodate a mix of users, including bikers, pedestrians, joggers, wheelchairs, baby strollers, ...
Tollways
We provide engineering design and construction-related services for a wide array of tollway projects. Everything from lane widening and alignment modifications to toll plazas to interchanges and entry and exit ramps. We have designed new superstructures,...
Roundabouts
Successful roundabout solutions require specialized expertise that is based on both qualitative guidelines and specific standards. As a nationally recognized expert, our engineers understand the importance and interdependence of the sizing, markings,...
Rural Highways
Our staff help DOTs and counties maintain and enhance their rural highway system. We are fully knowledgeable about federal funding requirements and can help clients with projects ranging from resurfacing to multi-lane freeway/expressway conversion. Our...
Urban Freeways
We help clients succeed in delivering high quality urban freeways, whether it is through expansion, reconstruction, or rehabilitation. Our services in this arena include the following:
Complex interchange design
System
Single point urban...
Public Involvement
We build stakeholder relationships with local planners, transportation professionals, city administrators, and the public that are productive, up-front, and at a level appropriate for the scope associated with a project. We present information accurately ...
Traffic Signals
We have provided plan development, design, and construction services for a wide-range of traffic signal projects. Our experience has included hundreds of permanent and temporary traffic signals, and the integration of innovative features, such as Adaptive...
Traffic/Planning
We have been providing leading edge traffic engineering and transportation planning services for more than 20 years. Our full-service transportation staff has grown to more than 80 professionals and spanning all of our 10 offices. We take pride in the...
Survey
We own state-of-the-art electronic surveying instruments and utilize computer-based coordinate geometry and surveying programs in the execution of our surveying work.
State-of-the-art equipment includes the new generation High Definition survey system...
ITS
We understand the importance of intelligent transportation systems (ITS) and its diverse applications. ITS systems can provide:
Measurable benefits to travelers.
Help minimizing traveler delay with reliable real-time route information.
Real-time...
Right-of-Way
We routinely complete right-of-way plats for various federal, state, and municipal projects. Plats are in conformance with the appropriate facilities development manuals and plat guides. Subdivision plats for developers and municipalities are completed ...
Urban Arterials
Our comprehensive engineering services have helped communities transform their urban arterials to accommodate multi-modal transportation and revitalize their downtown or commercial corridors. Our services in this area include the following:
Alternatives...
Environmental Compliance
We routinely guide clients through the regulatory process, helping them earn project approvals and preventing project delays. Our team of environmental specialists manages the process. Our broad range of environmental compliance services include the following:
...
Wastewater
We have engineered wastewater treatment and biosolids management projects for large and small municipalities and industries as well as sanitary districts, towns, villages, and institutions throughout the United States, with concentration in the states ...
Asset Management
We provide a variety of asset management services to assist clients in the critical task of effectively managing wastewater infrastructure assets within the constraints of fiscal budgets. We help clients develop programs that anticipate potential infrastructure...
Treatment
Wastewater engineering has been a core service provided by our firm since our establishment in 1946. Our success has been attributed to sound application of engineering principles, which leads to well-designed and operated WWTPs and conveyance facilities....
Permitting
Permitting assistance can significantly reduce compliance costs and keep projects moving forward. As a leader in the wastewater industry, we regularly assist clients with a wide range of permitting issues associated with the construction of wastewater...
CSO, SSO, and CMOM
One of our areas of specialization in the environmental engineering field is conveyance and pumping of wastewater and stormwater, as either combined sewer or separate sanitary and stormwater systems. Our experience includes a wide range of projects, from...
Regulatory Compliance
We offer various compliance services that enable facilities to comply with local, state, and federal regulations, while realizing cost savings through operational changes, and identify practices that have high environmental liability. Typical environmental...
Process Modeling
Wastewater process modeling has become a key tool in the efficient and effective design of modern wastewater treatment facilities, and we have been using computer-generated process modeling for wastewater projects for more than a decade. We have extensive...
Watershed Management
We have specialized in environmental consulting for more than 70 years and are well qualified to complete many types of environmental science and engineering projects related to surface and groundwater quality. We have the capabilities to perform watershed...
Collection System Modeling
We have extensive experience with dynamic modeling of hydraulically-complex wastewater collection systems. Models we use include XPSWMM, SewerCAD, InfoWorks, Hydra, and simple spreadsheets. The impact of wet-weather events (rainfall and snow melt) upon...
I/I and SSES
Prior to beginning design of most significant conveyance projects, we complete a comprehensive report or planning study to identify current and future conveyance facility needs. These reports and studies are often preceded by extensive flow monitoring...
Water Supply
Water supply is a major focus of our environmental services. We provide a complete range of supply, storage, pumping, distribution, treatment, security, and supervisory system control services, from planning phase, through design, and into construction....
Asset Management
We provide a variety of asset management services to assist clients in the critical task of effectively managing water infrastructure assets within the constraints of fiscal budgets. We help clients develop programs that anticipate potential infrastructure...
Corrosion Control
Aging infrastructure, changes in water chemistry, and switching sources are some of the many circumstances that may lead to water distribution system corrosion or scaling. Our qualified staff has assisted numerous Utilities in evaluating the potential...
Source Supply
Whether groundwater or surface water, our engineers are routinely assisting clients with investigating, testing, and developing new sources of water supply. We have designed more than 100 new water wells, from shallow sand and gravel wells, to intermediate...
Distribution
Our water main work for clients has ranged from threading replacement mains through existing utility crowded streets to preparing plans for new subdivisions to allow critical development to proceed. Our projects have included everything from extension...
System Master Planning
We are recognized as experts in the analysis and evaluation of water systems through master planning.
We have conducted many master planning efforts for populations ranging from 400 to more than 200,000. Water system master planning establishes a guide...
Water Treatment
Considered experts in water treatment, our engineers have the experience needed to implement treatment strategies to handle issues ranging from simple nuisance contaminants to complex problems such as VOC’s and challenging surface water sources. Our g...
Hydraulic Modeling
We have unmatched experience in the creation and evaluation of water system models. We have completed models for communities with 400 to more than 200,000 customers and have developed both stand-alone hydraulic models as well as models that work in conjunction ...
Water Storage
Throughout our history, we have completed numerous water storage facilities, including tanks of different shapes, styles, and sizes. Elevated storage has consisted of the modern single-pedestal tank to the more simple standpipes. Tank sizes have ranged...
