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Acothane DW Nationwide Water Tank Services

Case Study - Sectional, Steel Water Tanks

Client: XXXXXX Hospital

Project Brief: The Internal & External Refurbishment of 1 No. Hornsley Bridge, Sectional, Steel, Potable Water Retaining Structure.

System Specification: Solvent Free Polyurethane

Completion Date: 23rd July 2008

COVAC Contract Ref: 751

Summary of works

1 No. Hornsley Bridge, Sectional, Steel, Potable Water Retaining Structure, located externally behind the Estates Department and sized at approximately: 32’ x 24’ x 8’. The internals surfaces of the structure had previously been painted with an Epoxy System, which whilst in reasonable condition, has now come to the end of its useful life due to areas of sub-film corrosion and non-approval (WRAS / DWI) of the primer coat.

corroded water tank corroded water tank corroded water tank before cleaning corroded water tank before cleaning

These photographs show the internal surfaces of structure having been drained of water and prior to any preparation works being carried out.

corroded water tank after cleaning corroded water tank after cleaning corroded water tank after cleaning corroded water tank after cleaning

These photographs show the internal surfaces, after the mechanical preparation process by the COVAC Operatives using dry abrasive grit blast equipment in accordance with the a accepted Standard.

refurbished water tank after spripe coating areas with polyurethane coating refurbished water tank after spripe coating areas with polyurethane coating

The following photographs show the substrate both during and after being fully coated with Solvent Free Polyurethane, by means of plural component spray equipment.

refurbished water tank after spray treating with polyurethane coating refurbished water tank after spray treating with polyurethane coating refurbished water tank after spray treating with polyurethane coating refurbished water tank after spray treating with polyurethane coating

These final images show COVAC operatives checking the Elcometer 456 readings to ensure results of well above the nominal thickness required.

refurbished water tank after spray treating with polyurethane coating refurbished water tank after spray treating with polyurethane coating

The External Refurbishment of 1 No. Hornsley Bridge, Sectional Steel CWS Tank

refurbished water tank after spray treating with polyurethane coating refurbished water tank after spray treating with polyurethane coating

As with the internal surfaces, the external surfaces were mechanically prepared by the COVAC Operatives using dry abrasive grit blast equipment in accordance with the accepted Standard and these photographs show the external of the structure having been fully coated, utilising Solvent Free Polyurethane.

refurbished water tank after spray treating with polyurethane coating refurbished water tank after spray treating with polyurethane coating

Call us today find out why you should use our alternative to water tank replacement on: 0800 772 3367.