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Field report: retention reservoir at Vlotho sewage treatment plant

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Key facts: Retention basin waterproofing

Location
Vlotho
Completion
2004
Area
300 m²
Authorised Contractor
Großmann & Stühmeier GmbH, Bad Oeynhausen

Retention reservoir at Vlotho sewage treatment plant

Special framework conditions require special measures! Using the fast-setting waterproofing system Triflex ProTect during the refurbishment of the retention basin of the Vlotho pumping station, a functional seal was achieved in spite of the
work interruptions due to “unscheduled” flooding caused by prolonged heavy rainfall. Due to the special situation, it was a priceless advantage that the waterproofing system Triflex ProTect set quickly and was therefore underflow-proof and waterproof. After pumping off the waste water, which interrupted the work due to “unscheduled” flooding during the refurbishment, there were no signs of any peeling in the waterproofing. The waterproofing system Triflex ProTect once again proved its serviceability under extreme conditions. Bernd Großmann is convinced that no other product could have mastered this delicate task.

Refurbishment requirements

  • Fast-setting, waterproof material
  • Refurbishment irrespective of weather conditions
  • Flexible waterproofing to 45-degree recesses, vertical surfaces and overhead
  • protection against aggressive waste water and sludge

Refurbishment steps overview

  1. Sandblasting of the entire surface of the pool
  2. Re-profiling of all breakouts and removal of loose parts with Triflex Cryl Mortar
  3. Priming with Triflex Cryl Primer 276
  4. Detail waterproofing, e.g. joints, connections, etc. with Triflex ProDetail
  5. Surface waterproofing using Triflex ProTect

DESPITE THE PROLONGED HEAVY RAIN, WHICH FILLED THE POOL TWICE WITHIN A FEW MINUTES WHILE WORKING, ONLY THIS “FAST” SEALING SYSTEM AND SOPHISTICATED SITE LOGISTICS COULD GET THE JOB DONE.

Bernd Großmann

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