WASHINGTON, DC-AREA PROJECTS Langan has developed a solid reputation consulting on world-class projects in the Washington, DC area. Learn more about our work here.
SELECTED PROJECTS The John F. Kennedy Center for the Performing Arts Expansion, Washington, DC Embassy of the Czech Republic, Washington, DC WMATA - Washington Metropolitan Area Transit Authority Bus Garage Replacement, Washington, DC Turnberry Tower, Arlington, VA University of the District of Columbia - New Student Center, Washington, DC University of the District of Columbia - Van Ness Campus, Washington, DC University of the District of Columbia , Washington, DC US Court of Appeals of The Armed Forces, Washington, DC Arlington County Human Services Center, Arlington, Virginia Andrews Air Force Base Demolition - Buildings 1535 and 1513, Andrews Air Force Base, MD Dulles Airport Car Facility Site Characterization and Remedial Service, Dulles Airport, VA The Boeing Company, Arlington, VA Hecht Company Warehouse Redevelopment, Washington, DC Mall at Prince Georges, Hyattsville, MD 3535 South Ball Street - Potomac Yards Land Bay "E", Arlington, VA Randolph Square, Arlington, VA 1001 Pennsylvania Avenue, Washington, DC Howard University Building Assessments, Washington, DC Howard University Middle School Fab Lab Annex Addition, Washington, DC Howard University Residence Halls, Washington, DC 1919 Clarendon Boulevard, Arlington, Virginia Ritz-Carlton - Washington, DC, Washington, DC Residences at McLean, McLean, VA Allegro Apartments, Washington, DC Gallaudet University - Historic Denison House Survey, Washington, DC
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WASHINGTON, DC-AREA PROJECTS LANGAN'S EXPERTISE, WASHINGTON, DC-AREA PROJECTS
THE JOHN F. KENNEDY CENTER FOR THE PERFORMING ARTS EXPANSION Location: Washington, DC Client: Steven Holl Architects; John F. Kennedy Center/Paratus Group Architect: Steven Holl Architects Services:Multiple engineering and environmental services This national center for the performing arts is expanding its facilities by 60,000 square feet and will feature three connecting pavilions, one of which will float on the Potomac River. This additional space will be dedicated to classrooms, rehearsal rooms, event and exhibition space, lecture space, multipurpose rooms, and office space. The floating pavilion will offer outdoor public access spaces that will include gardens, an outdoor video wall for simulcast performances, and an outdoor video performance space.
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WASHINGTON, DC-AREA PROJECTS LANGAN'S EXPERTISE, WASHINGTON, DC-AREA PROJECTS
EMBASSY OF THE CZECH REPUBLIC Location: Washington, DC Client: Embassy of the Czech Republic Architect: Chalupa Architekti Services:Surveying The Czech Ministry of Foreign Affairs, in association with Chalupa Architekti in Prague, will be redeveloping the majority of the site. Langan was retained to provide site surveying services for the proposed development. This included completion of an ALTA ACSM land title survey, topographic survey, utility survey, and tree survey of the property, as well as research on the surrounding properties.The project will implement several sustainable design measures, such as multiple intensive green roofs, rainwater harvesting, stormwater retention facilities, and incorporation of large open space areas connecting the site to the adjacent Rock Creek Park.
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WASHINGTON, DC-AREA PROJECTS LANGAN'S EXPERTISE, WASHINGTON, DC-AREA PROJECTS
WMATA - WASHINGTON METROPOLITAN AREA TRANSIT AUTHORITY BUS GARAGE REPLACEMENT Location: Washington, DC Client: Systra Consulting; Hensel Phelps Construction Co.; WMATA Services:Geotechnical; Environmental The LEED-Silver-Certified design-build bus garage facility is located in southeast Washington, DC. It includes a maintenance and administration building, fueling station, bus wash, structured parking garage, and surface parking areas and utility infrastructure. Major site constraints included the presence of acid sulfate soils, extensive demolition work, and poor subsurface conditions.
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WASHINGTON, DC-AREA PROJECTS LANGAN'S EXPERTISE, WASHINGTON, DC-AREA PROJECTS
TURNBERRY TOWER Location: Arlington, VA Client: Turnberry Associates Architect: BBG-BBGM Strategic Partner: SK&A Structural Engineers Awards: LEED Certified (projected) Services:Geotechnical; Environmental Turnberry Tower is a 247-unit, high-end luxury condominium. The 25-story tower, soaring nearly 400 feet above the Potomac River, is the tallest condo building in the Washington, DC metropolitan region. The $250-million project, which is approximately 920,000 SF, also includes a six-level below grade parking garage. Langan’s role as the environmental and geotechnical consultant included evaluating and overseeing the
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asbestos abatement process during demolition of the existing hotel, assessing the potential impact of off-site environmental concerns during construction and assessing low-level contamination issues on site.
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WASHINGTON, DC-AREA PROJECTS LANGAN'S EXPERTISE, WASHINGTON, DC-AREA PROJECTS
UNIVERSITY OF THE DISTRICT OF COLUMBIA - NEW STUDENT CENTER Location: Washington, DC Client: Cannon Design Services:Geotechnical; Environmental; Surveying & 3D Scanning The new three-story student center with a partial basement level encompasses approximately 30,700 SF. Langan completed a geotechnical investigation, which detailed the existing foundations of adjacent buildings to assist the structural engineer and architect with the proposed building design. Langan provided a full range of surveying services including topographic surveying, laser scanning, floor plan surveys and Revit modeling. Finally, Langan completed a groundwater quality investigation and recommended pre-treatment of groundwater for dewatering operations prior to discharge to stormwater.
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WASHINGTON, DC-AREA PROJECTS LANGAN'S EXPERTISE, WASHINGTON, DC-AREA PROJECTS
UNIVERSITY OF THE DISTRICT OF COLUMBIA - VAN NESS CAMPUS Location: Washington, DC Architect: Cannon Design Services:Surveying; Environmental Langan, in association with Cannon Design, performed laser scanning and 3D modeling of Buildings 38 and 39, located on the University of the District of Columbia’s Van Ness Campus, Original building design plans were not available and this survey was prepared as a basis for new design. The scan included three interior levels as well as a connector between the two buildings, totaling approximately 160,000 SF.
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WASHINGTON, DC-AREA PROJECTS LANGAN'S EXPERTISE, WASHINGTON, DC-AREA PROJECTS
UNIVERSITY OF THE DISTRICT OF COLUMBIA Location: Washington, DC Client: CannonDesign Services:Surveying/3D Laser Scanning Langan performed a laser scan and produced a 3D Revit model of Buildings 38 and 39, located on the University of the District of Columbia’s Van Ness Campus. The scan included three interior levels as well as a connector between the two buildings, totaling approximately 160,000 square feet. During the on-site survey activity, the buildings remained occupied and in full operation.
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WASHINGTON, DC-AREA PROJECTS LANGAN'S EXPERTISE, WASHINGTON, DC-AREA PROJECTS
US COURT OF APPEALS OF THE ARMED FORCES Location: Washington, DC Client: Gruzen Samton Architects Strategic Partner: US Court of Appeals Completion: 2009 Services:Surveying & 3D Laser Scanning/BIM A full exterior laser scan of the building facades was performed, as well as a control survey for the accurate merge of the laser scan "point clouds." Detailed elevations and cross sections of the building were produced from the scan data for the planning and implementation of a new lighting scheme for the building.
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WASHINGTON, DC-AREA PROJECTS LANGAN'S EXPERTISE, WASHINGTON, DC-AREA PROJECTS
ARLINGTON COUNTY HUMAN SERVICES CENTER Location: Arlington, Virginia Client: Turner Construction Company Services:3D Laser Scanning Langan provided a complete 3D model of the 3rd floor of the new Human Services Building, which was used to help rehabilitate the interior space. Langan accomplished this task with the use of 3D high definition laser scanning, which successfully captured the complex features within the space.
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WASHINGTON, DC-AREA PROJECTS LANGAN'S EXPERTISE, WASHINGTON, DC-AREA PROJECTS
ANDREWS AIR FORCE BASE DEMOLITION - BUILDINGS 1535 AND 1513 Location: Andrews Air Force Base, MD Client: ECC Services:Demolition; Design-Build; Surveying; Hazardous Materials Langan provided design-build engineering services for demolition of the old headquarters building at Andrews Air Force Base. The project included hazardous material abatement and demolition of the 350,000-square-foot headquarters building and 7,000-square-foot boiler building. After the demolition phase is completed, the project sites will be converted into landscaped parks.
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WASHINGTON, DC-AREA PROJECTS LANGAN'S EXPERTISE, WASHINGTON, DC-AREA PROJECTS
DULLES AIRPORT CAR FACILITY SITE CHARACTERIZATION AND REMEDIAL SERVICE Location: Dulles Airport, VA Client: Confidential - Car Rental Facility Services:Multiple engineering and environmental services Langan prepared a Site Characterization Report and Corrective Action Plan for the facility based on its findings after installing and sampling soil borings and groundwater monitoring wells.
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WASHINGTON, DC-AREA PROJECTS LANGAN'S EXPERTISE, WASHINGTON, DC-AREA PROJECTS
THE BOEING COMPANY Location: Arlington, VA Client: The Boeing Company Services:Environmental The site is part of a larger area identified as the Arlington Industrial Area (AIA) which is enrolled in the Virginia Voluntary Remediation (VRP) program. Previous VRP investigations conducted by others focused primarily on the northern portion of the property with only limited investigation in the southern portion, which includes this site. Langan was retained to complete due diligence services and provide a review of the remediation activities on behalf of Boeing for the southern portion of the property, which will be purchased by The Boeing Company.
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WASHINGTON, DC-AREA PROJECTS LANGAN'S EXPERTISE, WASHINGTON, DC-AREA PROJECTS
HECHT COMPANY WAREHOUSE REDEVELOPMENT Location: Washington, DC Client: Douglas Development Corporation Architect: Antunovich Associates; Shalom Baranes Associates Completion: December 2013 Services:Geotechnical Known as one of the most significant art deco commercial buildings in the region, this was once the Hecht Company’s central warehouse. Plans to convert it into office and retail space include the demolition of the middle section of the warehouse, the construction of a new five-story retail and parking garage structure, a pedestrian bridge, an interior roadway, and a plaza. The new building is proposed to consist of retail, a valet parking area, and a parking garage. Langan completed a geotechnical investigation for the new building and pedestrian bridge within the existing warehouse, prior to its demolition. In 2011, after several years of vacancy, the Douglas
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Development Corporation bought the property with plans to convert the warehouse into office and retail space
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WASHINGTON, DC-AREA PROJECTS LANGAN'S EXPERTISE, WASHINGTON, DC-AREA PROJECTS
MALL AT PRINCE GEORGES Location: Hyattsville, MD Client: PREIT Services, LLC Services:Site/Civil; Survey Langan provided site/civil, surveying, and construction coordination services for the renovation and expansion of the Mall at Prince Georges. The proposed expansion included adding Target as a mall anchor, Ross Dress for Less, Marshall’s, and a renovation of the entire mall interior.
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WASHINGTON, DC-AREA PROJECTS LANGAN'S EXPERTISE, WASHINGTON, DC-AREA PROJECTS
3535 SOUTH BALL STREET - POTOMAC YARDS LAND BAY "E" Location: Arlington, VA Client: Camden Development, Inc. Services:Geotechnical; Environmental Located in the center of the Potomac Yards development, Camden Development's residential and retail mixed-use Landbay E development is the shining star of this high-profile Brownfield redevelopment project in the renowned Crystal City area of Arlington in northern Virginia. The building is 12 stories in height, with 3-levels below grade.
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WASHINGTON, DC-AREA PROJECTS LANGAN'S EXPERTISE, WASHINGTON, DC-AREA PROJECTS
RANDOLPH SQUARE Location: Arlington, VA Client: Invesco Advisors, Inc. Services:Environmental Langan completed a Phase I Environmental Site Assessment on an accelerated schedule to satisfy due diligence requirements prior to the purchase of this 10-story, 475,000-SF building. The site encompasses retail and office space and also includes a 256,000-SF, six-level parking garage. After a former 5,000-gallon fuel oil underground storage tank (UST) was closed and a sanitary sewer trench was excavated, the property was ultimately purchased by the client.
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WASHINGTON, DC-AREA PROJECTS LANGAN'S EXPERTISE, WASHINGTON, DC-AREA PROJECTS
1001 PENNSYLVANIA AVENUE Location: Washington, DC Client: Hines Interests Limited Partnership Services:Geotechnical This building experienced long-term groundwater seepage problems through expansion joints and the lowest level floor in the three-story below grade parking garage. Complicating problems, local iron ochre deposits caused the groundwater seepage to turn orange when exposed to air. Numerous injection grouting and cosmetic fixes were performed over the years with limited success. Proposed renovations on the lowest floor level of the garage required a more permanent repair. Langan performed a groundwater investigation and installed two monitoring wells at the exterior perimeter of the building to better delineate water pressures at the expansion joints and other portions of the building.
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WASHINGTON, DC-AREA PROJECTS LANGAN'S EXPERTISE, WASHINGTON, DC-AREA PROJECTS
HOWARD UNIVERSITY BUILDING ASSESSMENTS Location: Washington, DC Client: Howard University Architect: Agoos/Lovera Architects Services:Site/Civil; Environmental Langan provided site/civil and environmental assessment services for approximately 97 buildings within four campuses for Howard University. The purpose of the assessment was to provide supporting documentation for the development of a database to track and prioritize the University’s capital improvements projects.
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WASHINGTON, DC-AREA PROJECTS LANGAN'S EXPERTISE, WASHINGTON, DC-AREA PROJECTS
HOWARD UNIVERSITY MIDDLE SCHOOL FAB LAB ANNEX ADDITION Location: Washington, DC Client: Howard University Middle School Services:Site/Civil; Geotechnical; Surveying Langan provided survey and civil engineering services for the expansion of the Howard University Middle School of Mathematics and Science. The addition required demolition of an existing outdoor play area to allow for the construction of the new science and engineering laboratory, also known as the "Fab Lab."
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WASHINGTON, DC-AREA PROJECTS LANGAN'S EXPERTISE, WASHINGTON, DC-AREA PROJECTS
HOWARD UNIVERSITY RESIDENCE HALLS Location: Washington, DC Client: Howard University; Campus Apartments Architect: McKissack & McKissack Services:Geotechnical; Environmental Howard University’s two new proposed residential buildings will accommodate more than 1,300 students. The state-of-the-art facilities will help to revitalize the 4th Street corridor and are part of the Howard University Master Plan redevelopment of the urban campus. Langan was retained to provide geotechnical and environmental engineering services throughout the design and construction phases of the project.
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WASHINGTON, DC-AREA PROJECTS LANGAN'S EXPERTISE, WASHINGTON, DC-AREA PROJECTS
1919 CLARENDON BOULEVARD Location: Arlington, Virginia Client: Harkins Builders Completion: April 2012 onward Services:Environmental Langan was retained to oversee and supervise the removal of two unknown underground fuel oil storage tanks during site development. A characterization investigation followed and a total of 1,373.59-tons of petroleum-contaminated soils were excavated from the site and transported off-site for disposal. Langan is also conducting the monthly testing and monitoring of the on-site dewatering system that was installed after the site investigation.
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WASHINGTON, DC-AREA PROJECTS LANGAN'S EXPERTISE, WASHINGTON, DC-AREA PROJECTS
RITZ-CARLTON - WASHINGTON, DC Location: Washington, DC Client: Millennium Partners Completion: 2010 Services:Environmental Langan is providing environmental engineering support for the closure of a former underground storage tank (UST) on the property. Langan performed due diligence to identify the probable location and use of the former UST and local historic environmental conditions. In order to satisfy the UST closure requirements, Langan completed an environmental investigation under a DDOE-approved Comprehensive Site Assessment workplan, provided reported findings, and obtained a Case Closure letter for the former UST that occupied the property.
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WASHINGTON, DC-AREA PROJECTS LANGAN'S EXPERTISE, WASHINGTON, DC-AREA PROJECTS
RESIDENCES AT MCLEAN Location: McLean, VA Client: LAMCO, LLC Completion: September 2011 Services:Environmental This residential complex is located on approximately 40 acres of land that includes 23 three-story brick garden-style apartment buildings. The total occupancy area is approximately 570,000 SF. Langan was retained to complete a Phase I Environmental Site Assessment to satisfy due diligence associated with the purchase of the property.
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WASHINGTON, DC-AREA PROJECTS LANGAN'S EXPERTISE, WASHINGTON, DC-AREA PROJECTS
ALLEGRO APARTMENTS Location: Washington, DC Client: Prudential Real Estate Investors Completion: April 2012 Services:Environmental Langan preformed a Phase I environmental site assessment and subsequent limited sump investigation for this five-story, 81,294-square-foot building that contains 297 units and a subsurface parking garage. This assessment was part of the due diligence performed prior to the acquisition of the property. Challenges included an aggressive timeline, a lack of information about the building from property management personnel, and difficulty accessing records maintained by the District Department of the Environment.
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WASHINGTON, DC-AREA PROJECTS LANGAN'S EXPERTISE, WASHINGTON, DC-AREA PROJECTS
GALLAUDET UNIVERSITY - HISTORIC DENISON HOUSE SURVEY Location: Washington, DC Client: Gallaudet University Architect: Ayers Saint Gross Services:3D Laser Scanning/BIM Langan created a topographic survey and 3D AutoCAD model of the historic Dennison House. The building survey was required to develop a base layout for an interior renovation project which included the preservation of key historic building elements.
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