Pre-Commission Cleaning of Pipework Systems
The pre-commission cleaning of closed loop systems has become more important over recent years; due to the equipment used being more susceptible to blockages at strainers, control valves and small bore pipework.
System contaminants such as millscale, jointing compounds and fabricating debris need to be removed by chemical cleaning and high velocity flushing, which will then allow the on-going water treatment regime to work effectively in preventing corrosion and microbiological fouling.
Existing systems that have accumulated deposits due to lack of the correct water treatment can be cleaned with a similar method. Flushing pipework with water alone is not always sufficient to remove contaminants which adhere to the surfaces of the pipes.
At HBE, we follow the recommendations of BSRIA AG 1/2001.1 and BG 29/11, which consists in general of the following steps: