Webinar - Pattaya Storm Outfall: - Challenges and Triumphs in the midst of a Global Pandemic

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The story of a Weholite HDPE structured wall pipe marine outfall, 1015 metres of ID/DN1800 SN4, with a diffuser section to prevent flooding in the city of Pattaya, Thailand.


As an eminently touristic city, Pattaya was suffering from a dilemma. It could not afford to keep the beaches closed for too long, especially during high season, but at the same time it had a responsibility to its people to alleviate major flooding issues.

So, the burning questions was, how could it install a 1km long, DN1800 outfall and commission it before New Year’s Eve 2020 despite the challenges of a global pandemic and crowded beaches.

This is the story of how the collaboration between Wiik Public Co. Ltd of Thailand and Uponor Project Services of Finland overcame major adversity to deliver the outfall well within time constraints despite very tight Covid-19 restrictions in the country.


December 9th, 2021 from 12:00 PM to  1:00 PM