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Concrete NZ Readymix Sector Group Issues Pumping Health & Safety Guidance

Wednesday, 15 July 2020  
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Concrete New Zealand’s (NZ) Readymix Sector Group has urged ready mixed concrete producer member to no longer accept blow and pump back from concrete pumps into their concrete truck mixing bowls by issuing a Safety Alert - Blow-Back & Pump-Back.

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Richard Sands, Chair of Concrete NZ Readymix Sector Group, believes the procedure poses significant health & safety hazards for all those involved and should not be undertaken.

“Blow and pump back entails moving residual concrete from the line or boom pump back into the truck mixer bowl under pressure, and can be dangerous.”

Concrete NZ is strongly advising against the practice of accepting blow and pump-back from all line and boom concrete pumps due to the potential risks involved,” says Richard.

Concrete NZ’s Readymix Sector Group also urges those involved in concrete pumping to adhere to the Ministry of Business, Innovation and Employment’s (MBIE) Concrete Pumping Health and Safety Guidelines.

“This Guide provides practical advice about the safe operation and maintenance of concrete pumping equipment and the environment this equipment is used in.”

“Health & safety vigilance needs to be maintained across the supply, acquisition, disposal, inspection, maintenance, registration and safe operation of all types of concrete pumps and associated placing equipment used in pumping or spraying concrete.”