KHIA headerKnow-How in Action

VOL XXXIV, NO 27

Belzona® Saves Tank From Demolition

 
 

Industry:

Power (POWR)

 
 

Application:

Valves, Pipes and Fittings (VPF)

 
 

Customer Location:

NUCLEAR POWER LANCASHIRE

 
 

Application Date:

DECEMBER 2018

 
 

Application Situation:

CARBON STEEL HOLDING TANK NEAR THE SEA WITH EXTERNAL CORROSION

 
 

Problem:

TANK HAS BADLY CORRODED ANNULAR PLATE WITH SUSPECT UNDER THICKNESS TANK BASE PLATE DUE TO ATMOSPHERIC POLLUTANTS RUNNING DOWN THE TANK WALLS AND UNDER THE PLATE CAUSING EXTERNAL CORROSION. ALSO THE CONCRETE PLINTH HAS CRACKED AND HAS CORROSION CAUSING SOME SPALLING.

 
 

Products:

BELZONA 4111 MAGMA QUARTZ SYSTEM

BELZONA 3111 MEMBRANE SYSTEM

BELZONA 3412 ENCAPSULATION

 

Substrate:

CARBON STEEL / CONCRETE

 
 

Application Method:

THE CONCRETE WAS CLEANED AND EXPOSED ANY CONTAMINATION THE CRACKS AND DEFECTS WERE REBUILT USING BELZONA 4911 TX CONDITIONER & BELZONA 4111 MAGMA QUARTZ. THE ANNULAR PLATE WAS SWEEP BLASTED AND CLEANED PRIOR TO APPLYING THE BELZONA 3111 SYSTEM AROUND THE TANK BASE (SEAL-A-TANK) IN ACCORDANCE WITH BELZONA SYSTEM LEAFLET GSS-03. FINALLY THE CORRODED PIPE & FLANGES WERE REMOVED AND NEW ONES INSTALLED FOLLOWED BY THE BELZONA 3412 ENCAPSULATION IN ACCORDANCE WITH BELZONA SYSTEM LEAFLET VPF-13.

 
 

Belzona Facts:

THE BELZONA HAS SAVED TWO TANKS FROM DEMOLITION. OTHER TANKS ON THIS FARM WERE TOO BADLY CORRODED AND HAD TO BE KNOCKED DOWN, THE NEW TANKS WILL HAVE THE SAME SYSTEM APPLIED FROM NEW.

 
 

Photographs Description

1. CONDITION OF CONCRETE PLINTH AND TANK BASE

2. APPLICATION OF BELZONA 3111 GREY COLOUR TOP-SIDE

3. CONDITION OF THE CORRODED FLANGES

4. APPLICATION OF BELZONA 3412 ENCAPSULATION.

 
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