This Standard is about cleansing water mains and pipe work by systematic flushing, water scouring, air scouring or foam swabbing. This includes making sure the system is configured so that cleansing can be carried out properly, selecting and using the right equipment, cleansing the water mains, disposing of discharged water and making sure water quality meets service level requirements.
This Standard is for anyone who cleanses water mains and pipe work by systematic flushing, water scouring, air scouring or foam swabbing.
Performance Criteria
You need to be able to:
ensure an appropriate impact assessment of proposed cleansing activities has been carried out
use information from reliable sources to identify cleansing activities to be carried out
check that cleansing method selected is appropriate for the circumstances
confirm customers have been notified about cleansing activities in accordance with organisational requirements and procedures
confirm system is configured to enable cleansing activities to be carried out
record accurate, relevant information in accordance with organisational requirements
follow safe working and hygiene practices according to relevant procedures, regulatory and statutory requirements
select equipment that is appropriate with the cleansing method to be used
confirm equipment is in the required operational condition and is correctly installed in accordance with the manufacturer's specification and organisational requirements
carry out cleansing procedures in accordance with organisational requirements
dispose of discharged water in a safe manner, and to minimise the effect on the environment, according to organisational requirements
use appropriate tests to confirm the effectiveness of cleansing operations on water quality
resolve problems which occur in line with organisational procedures
inform relevant people of cleansing details in accordance with organisational requirements
Knowledge & Understanding
You need to know and understand:
the reasons for cleansing and the need to cleanse mains
why it may be inappropriate to cleanse mains
organisational procedures for selecting cleansing methods
limitations of cleansing and cleansing methods
preparation procedures and calculations which may need to be carried out including flow velocities
typical and unusual problems which might occur during system preparation
correct and safe use of equipment
the purpose of cleansing and correct and safe cleansing procedures
safe disposal of water
the damage which can be caused by incorrect disposal of water
testing procedures
water quality parameters
typical problems and how to resolve them
who to inform when cleansing has taken place
the cleansing information that needs to be provided
required records of cleansing operations, times and duration of any flow changes
safety and hygiene practices and related regulatory and statutory requirements related to working in the public highway, use of tools and equipment and personal hygiene
Cleanse water mains
Overview
This Standard is about cleansing water mains and pipe work by systematic flushing, water scouring, air scouring or foam swabbing. This includes making sure the system is configured so that cleansing can be carried out properly, selecting and using the right equipment, cleansing the water mains, disposing of discharged water and making sure water quality meets service level requirements.
This Standard is for anyone who cleanses water mains and pipe work by systematic flushing, water scouring, air scouring or foam swabbing.
Performance Criteria
You need to be able to:
Knowledge & Understanding
You need to know and understand: