projects Category: DEMOLITION, REMEDIATION AND ABATEMENT

AMERICAN SCHOOL FOR THE DEAF

The American School for the Deaf Abatement and Demolition project located at 139 North Main Street in West Hartford, CT required the complete abatement and demolition of a three story 215,952 square foot structure. The majority of the former school was comprised of learning space requiring unique and challenging abatement solutions for the removal of the various existing asbestos containing materials. An example of this was the roof system which included 3” thick asbestos containing “soft concrete” requiring a Professionally Engineered step-by-step procedure to safely remove and dispose as well as temporarily support after abatement to prevent collapse. While this work was ongoing at the roof level, additional abatement work was also simultaneously being performed below in the existing structure.

Manafort served as the Demolition Specialty Contractor for Consigli Construction Company on this project and we safely and successfully self-performed and completed all work associated with this project injury free, on time and under budget.

STATE OFFICE BUILDING RENOVATIONS & NEW PARKING GARAGE

The State Office Building Renovations & New Parking Garage Project in Hartford, CT began with the demolition of the former Parking Garage and adjacent Maintenance Shop located at 60 Washington Street in Hartford, CT. This existing 6-story precast concrete parking garage encompassed 600 parking spaces totaling 155,000 square feet. The first major project challenge was that the existing parking garage was located 8 feet away from the occupied State of CT Clerk of Courts State Building. Manafort accomplished this precision deconstruction using a 500 ton hydraulic crane to selectively rig and safely remove sixteen 70,000 lb precast concrete double Tee sections under an engineer-approved plan allowing us to systematically and safely step the garage in and away from the abutting occupied State of CT Clerk of Courts Building.

Another major project challenge requiring detailed planning was the Abatement of the asbestos and PCB materials found in the precast concrete expansion joints. Each precast concrete double Tee section expansion joint was encased with a combination of asbestos and PCB hazardous materials. These materials were segregated during demolition and hauled to a hazardous landfill following all industry standards. Once selective precision rigging and deconstruction operations were completed, the balance of the entire structure was demolished using a Manitowoc 3900 series crane equipped with a 5 ton wrecking ball. The project was completed on time, under budget, with 150 safe working days and zero injuries. Additionally, Manafort was the recipient of a Contractor Performance Evaluation of 100% from The State of CT Department of Administrative Services.

Manafort served as the Demolition Specialty Subcontractor for Gilbane Building Company and self-performed all work associated with this project.

ELECTRIC BOAT SEAPLANE RAMP DEMOLITION

Quonset Development Corporation contracted Manafort Transit to demolish an existing seaplane ramp in North Kingston, RI. The work consisted of installation and maintenance of a turbidity barrier around the site, demolishing the 200 ft. long by 50 ft. wide reinforced concrete ramp which included the extraction of approximately 224 creosoted timber piles, 56 concrete pile caps, concrete beam between pile caps, and the concrete deck structure.

Access to the site from land to the water was not provided by the owner due to site restrictions. As a result, all materials, equipment, and debris had to be transported to and from the site via barges and tugboats.

Manafort served as the Prime Contractor for the project and self-performed all the work.

PORT OF DAVISVILLE – PIER NO. 2 RECONSTRUCTION

Located near the mouth of the Narragansett Bay in North Kingstown RI, the Port of Davisville is listed among the top auto and frozen seafood ports along the East Coast of the United States. The pier offers four berths and five terminals with 58 acres of laydown and terminal storage. As part of the Reconstruction Project, Manafort Transit was contracted to construct 1200 LF of new marine bulkhead at the south side of Pier 2 to encapsulate the existing 1940s US Navy built cofferdam cells.

Work included predrilling to a depth of 60 ft to clear below grade obstructions, installation of 208 HZ-M king piles, 419 AZ and PS steel sheets for the sheeting wall system, 2,500 LF of walers, and 191 tie-rods anchored to 381 H-pile dead men piles. Other work consisted of pipe jacking, mass-excavation and backfill, hydro-demolition of the existing concrete cap, replacement of existing cap with a new cast in place concrete cap, four-foot diameter drilled caissons, toe-pin anchors, railroad construction to extend an existing rail line into the port, underwater anodes, fender system, marine bollards, and roadway reconstruction.

Manafort served as Prime Contractor for the project, self-performing most of the work. All work was completed safely, on time, and under budget.