Case Study: Refurbished Chemical Bund, Clitheroe

ACC Flooring was asked by a long standing client to refurbish a chemical bund in their plant in Clitheroe.

The existing floor finish had been attacked over many years by the liquid chemicals stored & passing through the bund, consequently due to the poor condition of the substrate caused by chemical erosion some liquid was ponding & not flowing directly into the channel.

During the 1st phase of the installation the floor finish was uplifted & removed & a heavy duty polymer modified cementitious screed laid to falls to the 97m² floor surface. Once the screed had cured the existing channel to 11.0m x 350mm wide x 140mm deep was prepared & the base, sides & shoulders made good with ACC Bulk & ACC Maintain. These products were also utilised to make good the damaged plinths & bases to the tanks.

ACC Bulk is a resin rich heavy duty polyurethane mortar which can be used at thicknesses of 10mm – 60mm as an infill or underlayment. ACC Maintain is a polyurethane concrete which can be used as a floor repair compound at thicknesses of up to 10mm. Both products have excellent chemical resistance properties.

The L shaped sump was shuttered using ACC PUH heavy duty polyurethane screed & once cured 2 coats of ACC DD polyurethane chemical resistant coating applied to the channel, plinths, tanks & sump. This product is the ideal coating solution in hostile environments offering enhanced chemical protection.

The scope of works to the 2nd phase included the installation of ACC PUH heavy duty polyurethane screed to the floor area. This product is the optimum product in these locations offering very high chemical resistance, a seamless finish with high abrasion & a slip resistant textured profile.

The work to 11Nr plinths & 4Nr tanks included the installation of a seamless polyurethane render perfect for vertical surfaces & finished with water based polyurethane grout which amongst its properties includes a fill for any pin holes or voids in the surface.

2 coats of a high build epoxy coating was applied to the bund perimeter wall @ 400mm high to enhance the bund protection & eliminate any potential loss of containment.

The project was completed within the agreed timescale during the plant shutdown avoiding any loss of production.

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completed repairs to a chemical bund in clitheroe

Project Details:

DATE:
June 2021
LOCATION:
Clitheroe, Lancashire
INSTALLATION TYPE:
Heavy Duty Polyurethane Flooring
PROJECT TYPE:
Industrial Flooring
FINISH TYPE:
FeRFA Type 8

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