Painting the Walt Whitman bridge / Kevin H. Keith in JOURNAL OF PROTECTIVE COATINGS & LININGS (JPCL), Vol. 35, N° 10 (10/2018)

[article]  inJOURNAL OF PROTECTIVE COATINGS & LININGS (JPCL) > Vol. 35, N° 10 (10/2018) . - p. 14-20 Titre : Painting the Walt Whitman bridge Type de document : texte imprimé Auteurs : Kevin H. Keith, Auteur ; David M. Hatherill, Auteur Année de publication : 2018 Article en page(s) : p. 14-20 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Anticorrosifs Anticorrosion Ponts -- entretien et réparations Ponts métalliques -- Revêtements protecteurs Qualité -- Contrôle Revêtements protecteurs -- Détérioration Index. décimale : 667.9 Revêtements et enduits Résumé : With a total lenght of 11,981 feet and average daily traffic (ADT) of 120,000 vehicles, the Walt Whitman Bridge has a 2,000-foot-long main span, making it the 10th largest suspension span in the United States and 27th in the world. In 2015, after completing the deck replacement of the suspension spans, the Delaware River Port Authority (DRPA) let their largest painting contract ever - over $57,000,000 to blast and paint the entire suspension span including the complete interior and exterior of the towers, deck support steel in the anchorages, suspension cables and various steel repairs. A construction monitoring contract was also awarded on a qualification-based selection. This article is a case study describing the skills that were required for the construction and engineering team, as well as unadvertised skills such as dealing with the nesting Peregrine falcons and the complexities of traffic control on a high-ADT bridge under containment. Note de contenu : - PROJECT CHALLENGES : Access - Nesting Peregrine falcons - Overspray - Chloride contamination - Time constraints - THE CONSTRUCTION MONITORING TEAM - QUALITY CONTROL - Fig. 1 : The Pennsylvania tower before blasting and painting - Fig. 2 : Typical paint condition before and after blasting and painting - Fig. 3 : Containment for the Pennsylvania tower and a portion of the main span - Fig. 4 : A bird's-eye view looking down on the main span towards Philadelphia from the New Jersey tower - Fig. 5 : The complete bridge Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=31900 [article]

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