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Bedeviled bridges : An answer to a national scandal / Mike O'Donoghue in JOURNAL OF PROTECTIVE COATINGS & LININGS (JPCL), Vol. 34, N° 5 (05/2017)  

[article]  inJOURNAL OF PROTECTIVE COATINGS & LININGS (JPCL) > Vol. 34, N° 5 (05/2017) . - p. 22-36 Titre : Bedeviled bridges : An answer to a national scandal Type de document : texte imprimé Auteurs : Mike O'Donoghue, Auteur ; Vijay Datta, Auteur ; Glenn Hollins, Auteur Année de publication : 2017 Article en page(s) : p. 22-36 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Anticorrosifs Anticorrosion Expertises Ponts -- entretien et réparations Ponts métalliques -- Revêtements protecteurs Revêtements (produits chimiques):Peinture (produits chimiques) Sulfonate de calcium Index. décimale : 667.9 Revêtements et enduits Résumé : In some quarters of society there is a public outcry regarding the significant corrosion, coating deterioration and safety concerns associated with North American bridges. Against this backdrop, this article will describe the application of an innovative coating system for the rehabilitation and lead abatement of a major truss bridge superstructure in Alberta, Canada more than 20 years ago. At that time, this one-coat, high-ratio calcium sulfonate alkyd (HRCSA) coating system was deemed best-in-test for the superstructure and crevice-corroded joints of the High Level Bridge in Edmonton. The high-performance coating was subsequently applied under the direction and inspection of co-author Glenn Hollins in 1995, as he was the owner’s representative during the evaluation and construction phases. This article outlines the findings of the current inspection of the coating system on the bridge and also explains the specific chemistry of HRCSA technology that indicated years ago that it should have been, and indeed has since proven to be, the “answer” for many bridge rehabilitation coating projects and the "answer" today for what some describe today as a national scandal. Note de contenu : - High-ration calcium sulfonate coatings - The chemistry of HRCSA coatings - The high level bridge - The HRCSA coating application in 1995 on the high level bridge - The HRCSA coating condition up to 2015 on the high level bridge - Mission accomplished - FIGURES : 1 and 2. After project completion and the superstructure between river piers in 2017. - 3. HRCSA full coat application - 4 and 5. Containment structure and resident birds in 1995 - 6. Areas after SSPC-SP-6/NACE ° 3. Commercial blast cleaning and penetrant sealin - 7. HRCSA full coat application - 8. Stripe coating with HRCSA finish coat - TABLES : 1. Factors in HRCSA coatings that influence their performance on bridges - 2. High level bridge rehabilitation project (1995) by the numbers En ligne : http://www.paintsquare.com/archive/index.cfm?fuseaction=view&articleid=6065 Format de la ressource électronique : Web Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=29082 [article]

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Penn Avenue Water Tower reconditioning / Dan Zienty in JOURNAL OF PROTECTIVE COATINGS & LININGS (JPCL), Vol. 34, N° 5 (05/2017)  

[article]  inJOURNAL OF PROTECTIVE COATINGS & LININGS (JPCL) > Vol. 34, N° 5 (05/2017) . - p. 38-44 Titre : Penn Avenue Water Tower reconditioning Type de document : texte imprimé Auteurs : Dan Zienty, Auteur Année de publication : 2017 Article en page(s) : p. 38-44 Langues : Américain (ame) Catégories : Entretien et réparations Gestion de projets Logistique (organisation) Réservoirs (récipients) Index. décimale : 648 Travaux d'entretien Résumé : As a central source of water distribution, emergency services and communications transmission, the Penn Avenue tower represents a focal point for the City of Richfield, Minnesota. The 1.5-million-gallon water tower is a multi-column elevated style tank located in a residential and commercial business area on property shared with the City’s No. 2 Fire Station. An engineering evaluation identified the need for complete replacement and maintenance repair of exterior and interior coating systems, along with accessory modifications. The size and scope of the project was complex, as was maintaining City operations and telecommunication services for the duration of the project. Its successful completion would hinge on understanding the needs of each of the stakeholders and implementing an overall plan that would take these needs into consideration, along with the constraints of meeting the required project timeline. En ligne : http://www.paintsquare.com/archive/?fuseaction=view&articleid=6066 Format de la ressource électronique : Web Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=29083 [article]

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What is your dehumidification IQ ? / Russ Brown in JOURNAL OF PROTECTIVE COATINGS & LININGS (JPCL), Vol. 34, N° 5 (05/2017)  

[article]  inJOURNAL OF PROTECTIVE COATINGS & LININGS (JPCL) > Vol. 34, N° 5 (05/2017) . - p. 46-50 Titre : What is your dehumidification IQ ? : Answers to the 12 most common DH question Type de document : texte imprimé Auteurs : Russ Brown, Auteur ; Loyd Krueger, Auteur Année de publication : 2017 Article en page(s) : p. 46-50 Langues : Américain (ame) Catégories : Air -- Humidité Deshumidification Index. décimale : 667.9 Revêtements et enduits Résumé : Over the past 30 years, the use of dehumidification (DH) equipment on blasting and coating projects has become a standard practice. The ability to control the escalation of corrosion on a freshly blasted surface has provided many benefits that have certainly led to the overall advancement in the use of this technology. In simple terms, dehumidification is the removal of moisture from the air. In reality, that definition is where the simplicity ends. Thousands of coating projects have employed dehumidification and we still continue to swim through a sea of misunderstandings about this somewhat simple technology. This article will tackle some of the most commonly asked questions related to dehumidification. Certainly there are many others out there, but these 12 seem to be asked regularly and create the most confusion. But be aware that no one answer is always correct for every situation. It is always a good idea to talk with your climate-control provider when making decisions. Note de contenu : 1. How do I pair DH with a dust collector ? 2. Why can’t I seal up my tank and shut all the hatches when dehumidifying ? 3. How long can I hold my blast if the DH unit goes down ? 4. Can I turn my units on and off with remote monitoring equipment ? 5. How can I save money when using a desiccant system ? 6. When does utilizing an alternative fuel solution make sense ? 7. What is a hybrid dehumidifier and how is it different from a typical desiccant unit ? 8. How does the length of duct affect performance ? 9. Does DH mask chloride contamination ? 10. Do I really need a DH unit in the dead of winter ? 11. Where did the 17-degree dew-point spread come from? What happened to the 5-degree spread ? 12. How do I select a climate-control contractor ? Table : Cost Comparison of Alternative Fuel Sources En ligne : http://www.paintsquare.com/archive/?fuseaction=view&articleid=6067 Format de la ressource électronique : Web Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=29084 [article]

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Journal of protective coatings & linings Vol. 34, N° 5 URL