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Vol. XliX • No. 22
“The Nation’s Best Read Construction Newspaper… Founded in 1957.” Your New England states connection • rachel slavid 1-800-225-8448 • kent Hogeboom 1-800-988-1203 CHAIN-LINK & WOOD FENCE PRODUCTS
Kraft Power Corporation
Providence, R.I., Viaduct Faces Slew of Structural, Financial Challenges
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For years now, the Rhode Island Department of Transportation has been aware of the deterioration of the Providence Viaduct, which carries I-95 over downtown Providence. The last full inspection took place in November 2009, revealing a slew of structural problems. The bridge consists of two structures: one northbound and one southbound, each with four lanes. The structures are separated by a This is the section of deck (span 5 southbound) that required emergency shoring. The difference between shoring and shielding 12-in. (30.5 cm) gap. The deck was constructed with reinforced is that shoring structurally supports the deck, while shielding simconcrete supported by steel “I” girders. The ply protects people from falling concrete. substructure consists of post-tensioned hammerhead concrete piers, and the foundation is made of steel Pavia, Rhode Island Department of Transportation (RIDOT) principal civil engineer. “Potholes are forming monthly.” “H”piles driven underground. “We’ve had problems with the design of the steel girders from the beginning,” continued Pavia. “In the 1980s, a bearBridge Structural Condition The 2009 inspection revealed that the deck is badly dete- ing froze up and almost split a steel girder in half.” The steel girders have numerous cracks in secondary riorated, shielded and shored in many locations. “The bridge deck has reached its service life,” said Bob see ViAcDucT page 4
President of Leighton A. White Finds Success With Rototilt Attachments
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For more Display/Classified Ads See Page 13
(L-R) are Dale White, president; Tom Parent, operator; Joel Hart, operator; and Kenny Goodine, foreman, all of Leighton A. White.
Dale White, president of Leighton A. White, said he only gives the best to his customers. In the case of his current workload, the best comes in the form of a Rototilt attachment, of which he has five. A hydraulic attachment/tool, which can be used on most excavators and backhoes between 3 and 30 tons (2.7 and 27 t), Rototilt combines side tilt, rotation and a hydraulic quick coupler in one package, allowing a bucket or other attachment to be rotated and tilted at the same time. This makes it easier to operate around or under obstacles, and for any type of ground contouring. “The Rototilt has the capabilities of doing from a $1,000 job to a million dollar job,” White said. see roToTilT page 16