Projects

The City of Enid (City) supplies potable water to its citizens via groundwater pumped from aquifer systems located to the west and southwest of the City. Concerns over long- term capacity and sustainability of the current well fields, treatment processes...

Rehabilitation consisted of the following: Re-deckingRehabilitation and overlaysBridge paintingExpansion joint repair and/or replacementStructural steel repair and/or replacement including beams, shoes, bearings, pads, rockers, etc.Bridge rail and guard rail repair and/or replacement along with other safety appurtenances and approach slab work...

Guernsey along with teaming partner, Wilbur Smith Associates (WSA) out of Houston, TX was selected to develop a Master Transportation Plan for the City of Edmond (City). The plan involved recommended transportation improvements needed to accommodate travel demands through the...

The City of Edmond (City) contracted with Wilbur Smith Associates (WSA) along with Guernsey, and Howard Fairbairn Site Design to provide professional planning services to assist the City with the preparation of an updated Edmond Plan. Edmond is a community...

One Generating Station (Plant) operates a 23,000 acre-ft. man-made lake. The Plant has three gas-fired, 500-MW units. The lake dam was completed in 1968 and is 3,400 feet in length. The second Plant is located near a 149,000 acre-ft. man-made...

This master plan study addressed inventorying system components and conditions, performing hydraulic modeling of the system, analyzing system adequacy to meet current and future needs, identifying needed future improvements, providing cost estimates, and identifying funding opportunities to implement the improvements...

Guernsey identified all the significant historic undeveloped reservoir sites in Oklahoma (125 sites), reviewed existing information, performed a “Fatal Flaws” analysis to efficiently eliminate unsuitable candidates, and categorized the desirability of the remaining options. A total of 125 reservoir sites...

The assessment determined each facility’s renovation needs, developed an estimated construction cost for the recommended items in each facility, and prioritized the recommended renovations based on the funds available. Facilities assessed included log cabins and dining facilities. These structures are...

Guernsey provided professional environmental consultant services under two Architectural & Engineering IDIQ contracts. The work was assigned on a project-by-project basis. There were approximately 37 environmental task orders performed under these contracts. Services included: Environmental Site Assessments and Impact Statements...

Guernsey performed general environmental engineering services to the Oklahoma Department of Transportation. ODOT issued Task Orders on a per-project needed basis. These services included the following: corridor-wide initial site assessments (Corridor ISA’s); parcel-specific initial site assessment (Parcel ISA’s); subsurface site...

Guernsey performed a study that considered three route alignments and conceptual design for alternative interconnected system routes for the Oklahoma Water Resources Board. The goal was to present viable options for potential water transfer from Lake Texoma, Eufaula Lake/Arkansas River...

Oklahoma County prepared and submitted a procedure to assure compliance with the existing Storm Water Management Program (SWMP) to the Oklahoma Department of Environmental Quality (ODEQ) for approval. Guernsey assisted the County Planner in the developing the procedure by employing...

Most of these clearances are addressed as categorical exclusions (CATEXs) and involve requirements for technical and field activities including biological reviews, wetlands investigations, cultural resources reconnaissance studies, and agency/tribal interface. On non-federally funded environmental clearances, Guernsey works directly with the...

The overall goal was to perform a feasibility study to determine if there is an opportunity for the development of a regional brackish water supply and desalination facility for an enhanced future water supply for COWRA. The study area included...

Guernsey performed initial groundwater investigations and quarterly sampling for the Oklahoma County Jail. This investigation and sampling were required because sewer lines under the County Jail were corroded, which allowed sewage, including kitchen waste, to seep into the groundwater regime...

Most of these clearances are addressed as categorical exclusions (CATEX) and involve requirements for technical and field activities including initial site assessments (ISAs), biological reviews, wetlands investigations, cultural resources reconnaissance studies, and the potential for noise studies. On federally funded...

These facilities generally include vacant land, commercial buildings, and religious centers. To date, Guernsey has performed over 60 Phase I Environmental Site Assessments (ESAs). The ESAs are accomplished in accordance with applicable ASTM standards and address potential site contamination, adjacent...

The facilities provided aviation fuel support services and maintenance activities for the Department of Defense. Issues included: High level environmental auditingPrevious site impact from adjacent sourcesPrevious site impact from onsite activities Underground storage tanksAbove ground storage tanksWastewater discharges from oil...

After the performance of preliminary characterization studies for the region’s counties, communities, and rural water districts (population, water supply and infrastructure, water quality), it was determined a detailed feasibility study was required to address regionalization of water supply, treatment, and...

The Guernsey Team (included EDAW [now AECOM] and Alaback & Associates) prepared the Phase II Master Plan and Preliminary Reconnaissance for the Arkansas River Corridor through the Tulsa, OK metropolitan area. The Plan was developed in conjunction with the Vision...

The new stadium site was located in the southwest corner of the base and presented many challenges to the team including storm water management, existing utilities, and coordination with new overhead power distribution lines being installed concurrently with this project...

In addition to population growth within the City, there are a large number of commuters from neighboring communities who travel to and from the City on a daily basis for employment, shopping and educational purposes. Guernsey and teaming partner Wilbur...

Guernsey prepared a Master Transportation Plan (TMP) for the City of Owasso. The study area consisted of approximately 16 square miles. The TMP is a 5, 10, 15 and 20-year transportation planning document that provides a framework for addressing the...

This water main will allow water from the Draper service area to be transmitted to the Hefner service area and vice versa. The design included steel pipe as the base bid and ductile iron pipe as the alternate bid. The...

Guernsey’s Master Plan envisions lighting improvements, landscaping, irrigation, pedestrian crosswalks, sidewalks, and gateway features. Guernsey developed a schematic design for the entire corridor from North I-35 ramps to the South I-35 ramps, and additional three miles. The City of Purcell...

Anticipated water shortages have City officials concerned about meeting water demands now and in the future. The City water supply is currently obtained from Byrd’s Mill Spring (Arbuckle-Simpson Aquifer is the source). Guernsey was selected to address the proposed lake...

The Wichita and Affiliated Tribes desired to install approximately 1,700 ft. of new 6-Inch waterline from an existing City of Anadarko waterline to the Wichita Travel Plaza. The waterline is to provide water service to the proposed development of property...

This project has been under consideration for many years and reflects the comprehensive understanding and long-term planning of the City of Oklahoma (City) to address and secure the future water supply of Oklahoma City and the metropolitan area. The Guernsey...

Specific tasks that were included in the Study include: Data collection to obtain line sizing, well capacities, pump curves and specific system layout information from City staff and available recordsDevelopment of a calibrated North Wellfield hydraulic model, using EPANet, and...

The purpose of these major renovation projects was to provide an aesthetically pleasing, functional, and safe environment for the enlisted military personnel at Naval Base Ventura County, Pt Mugu, California. Guernsey was the lead design firm for this project and...

These projects were implemented in response to recent changes to the Spill Prevention, Control and Countermeasures regulations. Project deliverables included: Summary report documenting the validation of the SPCC Plans highlighting actions that must be completed in order to comply with...

Building 460 at Tinker AFB was occupied by the Judge Advocate General (JAG) corps. The building was determined to be deficient and unable to be feasibly updated to current codes. This project relocated the 72nd Air Base Wing (ABW) Headquarters...