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   Showing 22 of 22 Projects [Show Less]  
Route 7 / Route 15 Interchange Improvements
Leesburg, VA

Construction management, inspection and CPM scheduling for a new interchange that included construction of a 1,600-foot flyover bridge; widening and refurbishing of three bridges; widening of Route 7 and Route 15; and construction of four ramps. Work included paving, structures, signalization, drainage, earthwork, maintenance of traffic and utilities.

I-90/I-93 Central Artery Project,
Charles River Crossing
Boston, MA

Engineering services for the demolition of the existing bridge structure and approach viaduct, design of temporary underpinning bents, and estimation of demolition quantities.

I-81 Widening over Looney Mill Creek
Virginia Department of Transportation
Botetourt County, VA

Bridge design and associated roadway improvements and H&H analysis services for the widening of northbound and southbound bridges over Looney Mill Creek along I-81.

Key Bridge Rehabilitation,
Department of Public Works
Washington, DC

Design and inspection services in support of the Key Bridge Rehabilitation project. Involved repair and replacement of deteriorated concrete piers, arches and deck. Alpha's design received an award by the American Consulting Engineers Council in Washington, DC.

MD Route 100 Extension
Howard County, MD

Extension of MD 100 from its present termination at I-95 to the US 29/MD100 interchange, a distance of approximately 4.3 miles. Alpha provided structural engineering design for one bridge, four box culverts and several retaining walls.

I-81 Maury River Bridges
Virginia Department of Transportation
Staunton, VA

Construction management, inspection and CPM scheduling for the demolition and replacement of two existing bridges on Interstate 81. Work includes paving, structures, drainage, earthwork, maintenance of traffic and utilities.

Route 460 / Route 29 Bypass Interchange
Virginia Department of Transportation
Lynchburg, VA

Construction management and inspection on a new interchange that included eight new bridges; a new four-lane section of Route 29; and a complete realignment of Route 460. Work included one-million cubic-yards of excavation/embankment, grading, stone and asphalt for paving, guardrail installation, drainage facilities, large box culverts, piling, earthwork, concrete work, erosion/sediment control and maintenance of traffic.

I-220 Bridge over Cross Lake
Louisiana Department of Transportation
Shreveport, LA

Provided structural engineering, hydraulic engineering and construction consulting for design of a movable/reusable cofferdam for construction of 172 underwater pier footings.

Bridge Repair and Painting Inspection
Virginia Department of Transportation
Northern Virginia, Culpeper, Fredericksburg, VA

Bridge and painting inspection of various bridges throughout three VDOT districts. Tasks included substructure and superstructure repairs, overlays, deck replacements, lead abatement and coating applications.

I-66/Route 234 Emergency Repair
Virginia Department of Transportation
Prince William County, VA

Project involved emergency repair of a damaged bridge as a result of a collision of a truck. Reviewed existing plans, bridge inspection reports and performed visual inspection of the damaged beam, diaphragms, utility support bearings and bearing seats.

Mercury Boulevard Interchange Improvements
Virginia Department of Transportation
Hampton, VA

Construction management and inspection services for this project which included the complete reconfiguration and reconstruction of the Mercury Boulevard interchange, the addition of HOV lanes and continuous merge lanes throughout the length of the job, construction of several new ramps and traffic loops, the construction of additional lanes of travel and the construction, reconstruction or rehabilitation of seven (7) bridges.

Route 28 Corridor Improvements
Virginia Department of Transportation
Loudoun County, VA

Quality assurance inspections for projects associated with this $300-million plus program, which is being done under the Public Private Partnership Act (PPTA) that includes the widening of Route 28 from six (6) to eight (8) lanes and the construction of ten (10) high-capacity grade separated interchanges at major intersections on Route 28 between Interstate 66 and Route 7.

Fairfax County Parkway Interchange at Route 7
Virginia Department of Transportation
Fairfax County, VA

Design and Construction management and inspection on a new interchange that included two bridge widenings on existing Route 7 and a new bridge on the Fairfax County Parkway over Route 7. Project included drainage installations and excavation, placement of box culvert, signalization, lighting, guardrail installation, wetland mitigation and landscaping.

I-95 James River Bridge Rehabilitation
Richmond, VA

Rehabilitation of twin, 4,000-foot long, three-lane bridges over the James River. Alpha provided inspection, structural engineering design and construction management services.

Chesapeake Bay Bridge
Maryland Transportation Authority
Anne Arundel County, MD

Construction consultations, CPM scheduling, change order reviews and disputes resolution for the rehabilitation of the deck for the Chesapeake Bay Bridge.

Route 58 over Cave Fork
Virginia Department of Transportation
Lee County, VA

Alpha performed structural engineering for the design of a 230-meter long dual bridge. Design was affected by construction accessibility and environmental impact due to crossing a heavily wooded wetland area.

NBIS Inspection, Rating, Studies and Bridge Repair Design
Maryland State Highway Administration
Baltimore, MD

Inspection, rating, report preparation, studies and bridge design as required for various types of bridges statewide, under a three-year contract.

Task order for Bridge Repair and Rehabilitation, Region II
Virginia Department of Transportation
Richmond, Suffolk, Fredricksburg, VA

Inspection and structural design for maintenance, rehabilitation or replacement of bridge structures for the Richmond , Suffolk and Fredericksburg Districts.

Northern Virginia Districtwide Construction Inspection Services
Fairfax, Manassas, Leesburg, VA

Construction management and inspection on roadway, bridge and maintenance projects throughout three VDOT residencies. Work includes paving, structures, signalization, drainage, earthwork, maintenance of traffic and utilities. Tasks include West Ox Road,

City of Baltimore NBIS Bridge Inspections
Baltimore, MD

NBIS inspection, structural evaluation, PONTIS rating and prepared reports with repair recommendations for 117 bridges including 22 box culverts, 62 steel, 18 arches and 15 concrete structures.

Springfield Interchange Improvements
Virginia Department of Transportation
Fairfax County, VA

Constructibility review, CPM scheduling and claims avoidance review for the Springfield Interchange Improvements Project which consists of improvement of the interchange at I-95, I-395 and the Beltway (I-495 and I-95), the interchange at I-95 and Old Keene Mill Road (Route 644) as well as the adjacent interstate and local roadways in Springfield, Virginia.

Benning Road Bridge
Washington, DC

Rehabilitation of the historic Benning Road Bridge over the Anacostia River. Alpha designed and inspected an emergency underpinning scheme to support girders at a number of locations where the bearings showed signs of distress on the bridge.