KHIA headerKnow-How in Action

VOL XXXI, NO 175

Belzona® 5812Dw Restores Potable Water Tank

 
 

Industry:

Water / Wastewater (WATR)

 
 

Application:

Tanks and Chemical Containment Areas (TCC)

 
 

Customer Location:

Eastern Oklahoma, USA

 
 

Application Date:

July 2016

 
 

Application Situation:

Internal lining and hole patching of a 100,000 gallon potable water tank

 
 

Problem:

This rural water utility's 40-year-old primary storage tank for potable water had corrosion, pitting, sediment build-up, and a few dime-sized holes. Any coating or repair material had to be NSF 61 approved.

 
 

Products:

Belzona 5812DW

Belzona 1111 (Super Metal)

Belzona 9341 (Reinforcement Tape)

 

Substrate:

Steel

 
 

Application Method:

The sediment was removed followed by a thorough surface pressure clean. To ensure effective adhesion the surface was abrasive blasted. Holes were repaired from the outside of the tank using Belzona 1111 and Belzona 9341 in accorance with the Belzona Know-How System Leaflet TCC-1. Belzona 5812DW was applied to the ceiling, floor and inner wall of the tank according to the Belzona 5812DW Instructions for Use document.  

 
 

Belzona Facts:

Installing a new tank was not an option for this small town water utility, but Belzona was able to restore the old tank and keep it operating for years to come. According to the customer, "it looks like a brand new tank!"

 
 

Photographs Description

1. Wall of the tank with heavy sediment build-up, surface corrosion7 and pitting.

2. Surface prepared and application of Belzona 5812DW in progress.

3.Completed application to wall and ceiling with 2 coats of Belzona 5812DW.

4. Coating of the floor completes the restoration.

 
Case study pic one

 

 
 Case study pic two

 

 
 Case study pic three

 

 
 Case study pic four

 

 
 
For more information about Belzona visit: www.belzona.com