Our Projects

Read how a team approach helped to create safer driving conditions and reduced traffic burdens with this PennDOT project

Verdantas served as lead designer on the Design-Build team for Cleveland Metroparks for the Bonnie Park Ecological Restoration and Site Improvement Project located at Mill Stream Run Reservation in Strongsville.

Read how Verdantas developed easy to use and practical SPCC plans to comply with 40 CFR 112

Read how Verdantas offers on-going health and safety program support for a Semiconductor client

Learn how the City of Toledo, Ohio used available grants to restore a former confined disposal facility to improve water quality and ecosystem health

Read how a comprehensive remediation plan lead to a successful redevelopment for a waterfront industrial site

Read how geotechnical services kept the North County Transit District/Amtrak scenic route safe for riders.

Providing screening reports, remediation workplans, compliance monitoring of soil management plans to support the Port's capital improvements.

Geotechnical Engineering helped to confirm if temporary supports could support a 229 foot diameter antenna used for tracking spacecraft

Together with innovation and local experience, our team helped to bring the construction of this iconic bridge to a close.

Our team provided quality assurance geotechnical and materials testing and hazmat review and confirmation sampling involving multiple agencies oversight including Caltrans, RCTC and local cities.

Our geotechnical engineer-of-record began during the design phase and continued through construction support services

Read how ISRA requirements were addressed for redevelopment of a former manufacturing plant into commercial warehousing

Materials Testing and Special Inspection supported the new eSTEM campus for Corona-Norco Unified School District.

Alden provided structural and hydraulic engineering and CFD modeling to replace the Poudre River drop structure with a stepped spillway and stilling basin.

A sizeable electrical distrubution system was needed to support the large pumps selected for this significant pump station

An innovative large scale enclosed pressure grouting test chamber is being used to evaluate and optimize grout mix design performance at Logan Martin Dam

Utilizing 3D scanning and analysis technologies a holistic analysis of the exterior state of a building is performed.

Read how Alden tested the effects of innovative downstream fish passage technologies with lab, CFD, and field analysis. Funded by the Department of Energy

Verdantas assisted is resurrecting a plan to install Rapid Infiltration Basins (RIBs) on existing Town lands

Alden performed mock-up flow testing to help determine the effects of cured in place pipe lining on flow performance at the Seabrook Nuclear Power Plant.

Alden constructed two 1:65-scale, live-bed physical models to test performance and effectiveness of the proposed land rebuilding diversions on the Mississippi River.

Read how the construction of a 75-turbine onshore wind electric generation facility was supported by Verdantas.

Alden performed mock-up testing to correctly simulate tension on a tethered ROV

Alden used CFD to evaluate and improve a heat recovery steam generator (HRSG) performance

Read about the full service engineering that helped the City of Bethlehem upgrade its activated sludge wastewater treatment plant

Using funds secured through H2Ohio, our team created wetlands and natural stream features to improve water quality and habitat

Physical model study to determine hydraulic performance of a proposed auxiliary spillway system during flooding events

Read how Verdantas helped a client build a new global waste material reuse business on the Delaware waterfront

Multi-disciplined services for the construction of a 1.6 million square foot, state-of-the-art Amazon Logistics Center.

Civil site design and construction services for distribution facility.

Read how Verdantas helped the water district improve their existing water infrastructure, including a system-wide meter replacement

Using a deep understanding of area geology, our team recommended proper design and foundation support for building construction at this brownfield site

Green stormwater infrastructure design for the City of Philadelphia Water Department

investigation of the hydraulic, thermal, and sediment dynamics within a cooling water intake forebay on the Ohio River, including both 3D numeric and physical modeling

Read how CFD modeling was used to show compliance with specifications and code requirements for a major New England rail station.

Using Turbine Survival Models and Existing Data to Understand the Impacts of Hydropower Projects on an Endangered Species

Remediation services for landfill superfund site

A report was developed to provide an updated review of the state of knowledge on fish protection technologies to meet 316(b) requirements

Read about a multi-year, multi-phase impingement survival study that included small-scale, tabletop testing along with large-scale prototype testing involving multiple species.

When historic floods damaged the St. Vrain Diversion Structure, a design-build team was contracted to replace the hydraulic structures as quickly as possible. Read how Alden meet the aggressive schedule.

Read how CFD and scaled physical modeling was used to evaluate the performance of the planned WFGD and designed a spray grid for the WFGD absorber to optimize SO2 removal.

Read how a CFD model helped to confirm adequate mixing in a proposed Monogram Foods Anaerobic Digester Basin, which employs KLa's K2DJM-10 jet mixing system.

Read about an SDA unit that was showing signs of improper droplet evaporation, and how CFD modeling was used to predict spray and deposition patterns in an SDA reactor in order to develop a solution to improve droplet evaporation.

Spillway upgrades to Canton Dam took advantage of hybrid modeling using integrated numerical and physical modeling to ensure its design & safety. Read how

Site assessment and remediation, brownfield redevelopment of former paperboard facility

Using a 1:12 scaled physical hydraulic model, Alden tested a new whitewater course design at Coweta Falls to ensure the course would perform as designed.

Geotechnical and environmental subsurface investigations and construction inspection services for a new hotel

Phase II comprehensive site assessment and Phase III remedial action planning at a 40-acre abandoned industrial mill site

Remediation of two brownfield sites to advance the sale and redevelopment of the Mohawk Tannery property

CFD modeling and biological evaluations were used to develop effective downstream passage for endangered shortnose sturgeon

This project involved structural engineering services from feasibility through design and construction for TDG modifications to five of the eight spill bays at Cabinet Gorge Dam.

The Mathis Dam spillway project highlights Alden's integrated hydraulic and structural engineering services.

Running CFD models for existing and upscaled chromatography columns helped determine the cause of reduced performance and subsequently produced a redesign.

CFD and physical modeling were used to resolve performance, navigation, constructability and cost issues in the design of a low head hydropower project

As a 90 ft. x 120 ft. movable bed physical model, the expanded small scale physical model is one of the largest of its kind in the world

Alden performed design studies using CFD and physical modeling, as well as field startup testing of the Floating Surface Collector.

Design upgrades were supported by CFD model studies used to assist in evaluating the hydraulic and sedimentation performance

Innovative 3D CFD modeling was used to design a fishway to mimic natural bedrock following removal of tow spillway dams.

Remediation services for rollover accident that released 9,500 gallons of fuel oil

Field testing of pump performance was used to help determine feasibility of and recommended technology to monitor cooling water intake flow rates.

Environmental, geotechnical, structural and civil engineering for Bartram's Mile.

Read how Alden redesigned a heat recovery system for a power plant exhaust system and confirmed performance goals with CFD

Read how scaled physical flow modeling helped eliminate coal ash deposition at a power plant in Minnesota

On-Call environmental engineering services for the City of Philadelphia Department of Public Property

Hazardous building materials characterization and abatement work for large-scale renovation and demolition project