Public Infrastructure

//Public Infrastructure

CT DAS DCS On-Call Construction Administration

The Connecticut Department of Administrative Services selected DTC to provide On-Call Construction Administration services for multiple projects throughout the state.

DTC provided construction inspection services to the State of Connecticut in conjunction with the Utility Improvements at Somers Correctional Complex. DTC provided an on-site full time Construction Inspector (CI) during the construction period to observe the […]

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Downtown Crossing/Route 34

The Route 34 in Downtown New Haven was originally constructed in the 1950s as a way to link together the City of New Haven and the Lower Naugatuck Valley. Today, the highway has been reconfigured in an effort to connect New Haven’s medical district at Yale-New Haven Hospital to Union Station, the Hill Neighborhood and […]

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West Haven Seawall and Bike Path Repair

The City of West Haven selected DTC to provide program evaluation and full service engineering services for the preparation of plans and documents to repair city structures damaged by Storm “Sandy” in accordance with FEMA funding guidelines and provide construction administration services.

It appears that the different types of damage are:
Oak Street to Bradley Point (approximately […]

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Beach Street West Haven Reconstruction

DTC was selected by the City of West Haven for the study and design associated with the reconstruction of nearly 4,000 LF of Beach Street West Haven. During Storm Sandy, the City’s Waste Water Treatment Plant (WWTP) was temporarily inaccessible to staff and emergency vehicles due to the extensive flooding in the area.

The Beach Street […]

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Campbell Avenue Streetscape Beautification

DTC designed streetscape and pavement improvements to Campbell Avenue from Brown Street to U.S. Route 1 (Orange Avenue), a distance of approximately 9,500 feet, for the City of West Haven.

The existing road was nominally 40 feet wide with occasional wider sections for bus stops. Adjacent properties are commercial and residential. The West Haven campus of […]

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100 College Street, New Haven Construction

The structure at 100 College Street in Downtown New Haven is part of the city’s Downtown Crossing Project which seeks to reunite two sides of the city which were formerly separated by a limited-access highway. 100 College was built where the highway once was in order to gain proximity to Yale-New Haven Hospital and the […]

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Todd Drive Flood Control North Haven

DTC was retained by the Town of North Haven to perform a drainage and hydraulic analysis of known flooding areas in the vicinity of Todd Drive and Todd Drive South. More than 60 residential properties are currently affected by flooding, spanning across three distinct study areas.

DTC’s study evaluated alternate improvement options intended to reduce the effects […]

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Rehabilitation of North Avenue Bridge

DTC performed the hydrologic and hydraulic evaluation as well as flood management certification for the North Avenue Bridge over the Aspetuck River in Westport, CT.

The project involved the design of the replacement superstructure for the existing, structurally deficient bridge.

The existing concrete abutment and wing walls were structurally sufficient to support the new superstructure resulting in […]

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Inspection and Rating of Systemwide Bridges Contract No. 2, Group B

DTC was selected a second time by the MBTA in 2009 to perform in-depth inspections and load ratings on commuter rail bridges located along the MBTA’s East Route, Dorchester, Old Colony, Fitchburg, and Worcester Lines.

DTC services include hands-on, in-depth, and fracture-critical inspections of bridges in accordance with NBIS, AREMA, AASHTO procedures.

Load ratings are performed using […]

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Inspection and Rating of Systemwide Bridges Contract No. 1, Group C

DTC provided in-depth, special member, and fracture critical inspection and load ratings of over 80 commuter rail bridge structures located along the MBTA’s Plymouth, Middleboro, Capeway, Franklin, Needham, Stoughton, and Shoreline Branches. This multiphase contract spanned over four years.

DTC provided hands-on critical inspections in accordance with NBIS, AREMA, and AASHTO standards. Structures inspected and load […]

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