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Xypex was selected to waterproof the waste and water treatment plants, grease traps, and waste pits by Obayashi Corporation, the main contractor.
Repaired the roof of an utility building in Phase 1 and waterproof the roof of the canteen building in Phase 2.
Repaired an old concrete roof and gutters where repeated repairs with membrane system were unsuccessful. All existing mortar and membranes were removed and a 2 coat application of Xypex Concentrate and Modified was applied over the concrete roof. A protection mortar topping was then applied over the Xypex coating. Total area treated was 60 m2 and completed in June, The main contractor is Hazama Corporation.
Xypex is again selected to waterproof and protect all water tanks, a water treatment plant, and a waste treatment plant of the factory. Total area is approximately 2,400 m2 with 7,054 tie holes, and 694 meters of construction joints. All construction joints are sealed by Xypex Concentrate Dry-Pac method without use of waterstops. Work was completed in July 2004.